|| List of recent Polyester-related patents
Provided is a toner that has satisfactory chargeability and hardly causes a reduction in image density, fogging, and density unevenness in various environments ranging from a low-temperature and low-humidity environment to a high-temperature and high-humidity environment. The toner includes toner particles obtained by fixing resin particles to toner base particles each containing resins, in which: the resins contain 50.0 mass % or more of a styrene-acrylic resin and 1.0 to 40.0 mass % of a polyester resin a; the polyester resin a contains 0.10 to 30.00 number % of an isosorbide unit; the fixing amount of the resin particles to the toner base particles is from 0.1 to 5.0 parts by mass with respect to 100 parts by mass of the toner base particles; and the glass transition temperature of the resin particles is higher than the glass transition temperature of the toner base particles..
Canon Kabushiki Kaisha
|Process for preparing sorptive substrates, and integrated processing system|
A process for treating a substrate comprised of sorptive material is provided herein. The sorptive material may be an absorbent synthetic material such as polyester.
Illinois Tool Works (texwipe Division)
|Aliphatic polyester, preparing the same, and polymer organizer|
An aliphatic polyester having a number-average molecular weight of from 500,000 to 2,000,000 includes an ester bonding site and an amide bonding site. The content of the amide bonding site is from 1×10−3% to 1×10−1% by mol based on total weight of the ester bonding site and the amide bonding site..
|Coating comprising polyesteramide copolymers for drug delivery|
The invention relates to a coating comprising a biodegradable polymer comprising at least two different functional groups pendant to the polymer backbone, which functional groups are selected from the group of carboxyl-, amine, hydroxyl, ester, amide-, thiol- or thioester groups. The two different functional groups comprise at least an unprotected hydrophilic functional group chosen from a carboxyl-, amine, thiol or hydroxyl group and at least a protected hydrophobic functional group chosen from an ester, amide- or thioester group.
Dsm Ip Assets B.v.
|Degradable polyester stent and preparation method thereof|
A degradable polyester stent is disclosed, which includes a polyester composite, wherein the polyester composite is produced from a biodegradable polyester and a metal-based material. A method of preparing the degradable polyester stent is also disclosed.
Shanghai Microport Medical (group) Co., Ltd.
|Information carrying card comprising a cross-linked polymer composition, and making the same|
The disclosure provides a cross-linkable polymer composition, a core layer for an information carrying card comprising such cross-linked composition, resulting information carrying card, and methods of making the same. A crosslinkable polymer composition comprises a curable base polymer resin in a liquid or paste form, and a particulate thermoplastic filler.
X-card Holdings, Llc
|Method for producing toner for developing electrostatic images|
A method for producing a toner for electrostatic image development containing at least an amorphous polyester and a crystalline polylactic acid, including step 1: mixing an amorphous polyester and a crystalline polylactic acid at a temperature of from 140° to 250° c.; step 2: melt-kneading a mixture obtained in the step 1; and step 3: pulverizing and classifying a melt-kneaded product obtained in the step 2; and a toner for electrostatic image development obtainable by the method. The toner for electrostatic image development obtainable by the method of the present invention is suitably used in development or the like of latent images formed in an electrostatic development method, an electrostatic recording method, an electrostatic printing method, or the like,.
|Caco3 in polyester for nonwoven and fibers|
The present invention concerns a nonwoven fabric comprising at least one polymer comprising a polyester and at least one filler comprising calcium carbonate. The present invention further relates to a process of producing such a nonwoven fabric as well as to the use of calcium carbonate as filler in a nonwoven fabric comprising at least one polymer comprising a polyester..
Omya International Ag
|Proliferated thread count of a woven textile by simultaneous insertion within a single pick insertion event of a loom apparatus multiple adjacent parallel yarns drawn from a multi-pick yarn package|
Disclosed are a method, a device and a system of proliferating a thread count of a woven textile by simultaneous insertion within a single pick insertion event of a loom apparatus multiple adjacent parallel yarns drawn from a multi-pick yarn package. In one or more embodiments, multiple texturized polyester weft yarns of denier between 15 and 50 are wound on a single bobbin in a parallel adjacent fashion such that they may be fed into an air jet pick insertion apparatus of an air jet loom to weave a textile that has between 90 to 235 ends per inch cotton warp yarns and between 100 and 765 polyester weft yarns..
|Moisture-curing polyurethane composition comprising sustainably produced raw materials|
Solvent-free moisture-curing polyurethane compositions are described, containing 99.9% to 75% by weight of at least one polyurethane prepolymer having free isocyanate groups, prepared by reaction of at least one polyol, selected from the group of the polyether polyols and polyester polyols, with at least one polyisocyanate in stoichiometric excess, at least one polyol being a recycled polyethylene terephthalate polyol. In addition, this composition contains 0.1% to 25% by weight of at least one additive selected from the group of the catalysts, resins, plasticisers, fillers, pigments, stabilisers, adhesion promoters and further polymers.
Henkel Ag & Co. Kgaa
Mold release film and production same
The present invention provides a mold release film including a resin layer provided on one surface of a polyester film, wherein the resin layer includes an acid-modified polyolefin resin with a proportion of an acid-modifying component of 1 to 10% by mass, polyvinyl alcohol and a cross-linking agent; the content of polyvinyl alcohol exceeds 200 parts by mass and is 1000 parts by mass or less, and the content of the cross-linking agent is 1 to 20 parts by mass in relation to 100 parts by mass of the acid-modified polyolefin resin; and the peel force between the resin layer and a rubber-based adherend measured by bonding the rubber-based adherend to the resin layer is 0.5 n/cm or less.. .
Polycarbonate resin composition and a molded product produced from the same
A polycarbonate resin composition and a molded product produced from the same includes (a) polycarbonate resin; (b) polycarbonate-polysiloxane copolymer; (c) aromatic copolyester resin; and (d) glass fiber.. .
Samsung Sdi Co., Ltd.
Resin composition for sealing electrical electronic parts, producing electrical electronic parts, and sealed electrical electronic parts
Provided is a sealant for electrical and electronic parts having excellent fire resistance and adhesiveness, and provided are a method for manufacturing a sealant for electrical and electronic parts suitable therefor and a resin composition for sealing electrical and electronic parts. A resin composition for sealing electrical and electronic parts containing: a polyester (a) obtained by copolymerizing a polyalkylene glycol component and/or a polylactone component; an epoxy resin (b); a polyolefin resin (c); and a phosphoric acid ester (d)..
Toyobo Co., Ltd.
Polyester resin composition and polyester film using same
Provided are a polyester resin composition and a polyester film using thereof, and more particularly, a polyester resin composition including a polyester resin and silica particles coated with a metal compound to prevent an inner defect due to particle agglomeration, and have an excellent surface property of the film, low haze, and an improved transparency, thereby being appropriate for a release film and an optical film for an electronic material, and a polyester film using thereof.. .
Kolon Industries, Inc.
Amorphous polyester compositions
Disclosed herein are polyester compositions comprising the reaction product of: a) a precursor component comprising xanthene dicarboxylic acid (xda), or a reactive derivative thereof; b) a terephthalate component comprising at least one di(c1-c3 alkyl) terephthalate, or terephthalic acid, or a combination thereof; c) a diol component comprising 1,4-cyclohexane dimethanol (chdm); and d) at least one metal catalyst; methods of making same, and articles comprising the disclosed compositions. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure..
Sabic Global Technologies B.v.
A polyester polyurethane material with long term hydrolysis resistance
The present invention relates to a polyester polyurethane material with long term hydrolysis resistance which is prepared from perchlorates and a polyester polyol comprising structure unit i, ii, and iii. The polyester polyurethane material having a mole ratio of structure unit ii to iii of 1:1.5 to 1.5:1 has better long term hydrolysis resistance.
Bayer Materialscience Ag
Blush and chemical resistant polyester film
A composite includes a multilayer polyethylene terephthalate (pet) film having a base layer and an adjacent skin layer. The pet of the skin layer has inherent viscosity of about 0.70-0.90 and carboxyl endgroup concentration of less than 25 eq/t.
Toray Plastics (america) Inc.
Method of forming a multi-layer paint film
A method of forming multi-layer paint films comprises forming a first base paint film, wherein an aqueous first base paint (a) is coated over an object; forming a second base paint film wherein a second aqueous base paint (b) is coated over the uncured first base paint film; forming a clear paint film wherein a clear paint (c) is coated over the uncured second based paint film; and heating and curing the first base paint film, the second base paint film, and the clear paint film at the same time and in which the aqueous first base paint (a) includes as the base resin a water-soluble or water-dispersible acrylic resin (a1) and one or more type of water-soluble or water-dispersible resin (a2), selected from among the polyester resins, polyurethane resins and acrylic-urethane resins, both (a1) and (a2) having a weight average molecular weight of from 10,000 to 100,000.. .
Basf Coatings Gmbh
Composite lumen with reinforcing textile and matrix
A composite hollow lumen and a method for producing the lumen are provided. The lumen includes a tubular textile formed of yarns having a first tensile strength and a matrix material in which the tubular textile is embedded to form a conduit having a bore and a sidewall substantially impermeable to liquid.
Secant Medical, Inc.
Biobased pre-polymers and uses thereof for preparing polymers which are of use as additives in a poly(lactic acid) matrix
For the preparation of additives in a matrix of polyester, polyvinyl chloride, polyurethane, polyamide, poly(alkyl acrylate), poly(alkyl methacrylate), polystyrene or polyolefin.. .
Processes employing silane-containing polyolefin films tenaciously adhered to substrates
Improved adhesive between a sheet material having a low free energy surface, such as a polyolefin, polystyrene, or polyethylene terephthalate film, is achieved by treating the film surface with a silane coupling agent that provides hydrolyzable groups on the surface of the film, and employing an adhesive composition comprising a polymer having reactive silyl groups (e.g., silyl-functionalized polyethers, polyurethanes and/or polyesters). Such improved sheet products can be advantageously employed as weather barriers for building construction applications, eliminating the need for, and disadvantages of, mechanical fasteners..
Chem Link, Inc.
Waterborne base coat compositions and processes for preparing waterborne base coat compositions
Waterborne base coat compositions and processes for preparing base coat/clear top coat multi-layer coatings are provided. In an embodiment, a waterborne base coat composition includes water, pigment(s) and resin solids consisting of about 60 to 100 wt.
Axalta Coating Systems Ip Co., Llc
Method for continuous production of biodegradable aliphatic/aromatic polyester copolymer
A continuous preparation method of a biodegradable aliphatic/aromatic polyester copolymer includes: performing a first esterification reaction of an aliphatic dihydroxy compound with an aliphatic dicarboxylic acid at a temperature of 185° c. Or less; continuously performing a second esterification reaction of a reaction product from the first esterification reaction; continuously performing a first polycondensation reaction of a reaction product from the second esterification reaction to obtain a prepolymer having a weight average molecular weight of about 6,900 to about 14,000; continuously performing a second polycondensation reaction of the prepolymer to obtain a second polycondensation reaction product; and continuously performing a third polycondensation reaction of the second polycondensation reaction product to prepare the biodegradable aliphatic/aromatic polyester copolymer, wherein the performing of the first esterification reaction or the continuously performing of the second esterification reaction includes adding an aromatic carboxylic acid.
S-enpol Co., Ltd.
Method for continuous production of biodegradable aliphatic/aromatic polyester copolymer
A continuous preparation method of a biodegradable aliphatic/aromatic polyester copolymer includes: performing a first esterification reaction of an aliphatic dihydroxy compound with an aliphatic dicarboxylic acid at a temperature of 185° c. Or less; continuously performing a second esterification reaction of a reaction product from the first esterification reaction; continuously performing a first polycondensation reaction of a reaction product from the second esterification reaction to obtain a prepolymer; continuously performing a second polycondensation reaction of the prepolymer to obtain a second polycondensation reaction product having a melting index from about 15 g/10 min to about 25 g/10 min; and continuously performing a third polycondensation reaction of the second polycondensation reaction product to prepare the biodegradable aliphatic/aromatic polyester copolymer, wherein the performing of the first esterification reaction or the continuously performing of the second esterification reaction includes adding an aromatic carboxylic acid..
S-enpol Co., Ltd.
Polyester polyols and methods of making and using the same
polyester polyols are generally disclosed, including methods of making and using them. In some embodiments, the polyester polyols are incorporated into a block copolymer, such as a polyurethane block copolymer.
Elevance Renewable Sciences, Inc.
polyester-based compositions with increased glow-wire resistance include at least one filler for improving thermal conductivity, preferably aluminum oxide, boron nitride or aluminium silicate, particularly preferably aluminium silicate, with particular preference aluminium silicate with triclinic-pinacoidal crystal structure. Methods for production of the polymer-based compositions and to products to be produced therefrom are also provided.
Lanxess Deutschland Gmbh
Anode structure of lithium sulfur battery
An anode structure of a lithium sulfur battery includes a sulfur anode laminated on an aluminum foil, and a carbon coating layer disposed between the sulfur anode and a carbon structure layer in which sulfur is immersed. The sulfur anode includes thesulfur, a conductor, and a binder.
Hyundai Motor Company
A developer having low-temperature fixability and storage stability, and capable of prolonging the service life is provided. A toner includes a coloring agent, an amorphous polyester, a crystal line polyester, ester wax containing multiple ester compounds, each having a carbon number selected from 32 to 54, and hydrophobic silica having an average primary particle diameter of 8 to 35 nm.
Toshiba Tec Kabushiki Kaisha
Provided is a magnetic toner, including a toner particle containing a binder resin and a magnetic iron oxide particle, in which: the binder resin includes a resin having a polyester unit in which at least one kind of aliphatic compound selected from the group consisting of an aliphatic monocarboxylic acid having 30 to 102 carbon atoms and an aliphatic monoalcohol having 30 to 102 carbon atoms is condensed at an end of the polyester unit; a content of the magnetic iron oxide particle is from 30 to 80 parts by mass with respect to 100 parts by mass of the binder resin; and the magnetic iron oxide particle satisfies the following conditions: (i) a number-based median diameter d50 is from 0.05 to 0.15 μm; (ii) a number-based ratio d10/d50 is from 0.40 to 1.00; and (iii) a number-based ratio d90/d50 is from 1.00 to 1.50.. .
Canon Kabushiki Kaisha
A toner comprising a coloring agent, an amorphous polyester, a crystalline polyester, ester wax comprising of multiple ester compounds, each having a carbon number selected from 32 to 54 and, hydrophobic silica having an average primary particle diameter of 8 to 35 nm, wherein when the ion intensity ratio of each ester compound having a different carbon number is expressed as percentage, the content (a) of the ester compound having a carbon number of (cn) showing the maximum intensity ratio is from 20 to 55% by weight of the entire ester wax, and the sum (d) of the content (b) of the ester compound having a carbon number of (cn−4) and the content (c) of the ester compound having a carbon number of (cn−2) satisfies the following formula: 0.619≦d/a≦0.783.. .
Toshiba Tec Kabushiki Kaisha
Polyester sewing thread for airbag and preparation method thereof
Disclosed is a polyester sewing thread usable for a fabric for an airbag and a cushion for an airbag. A polyester sewing thread is obtained by doubling and twisting a specific polyester yarn including a plurality of polyester filaments, and bonding the polyester yarn in the manner of in-bonding, out-bonding, or in-and-out bonding.
Kolon Industries, Inc.
Use of polyesters as lubricants
The presently claimed invention is directed to the novel use of polyester obtainable by reacting a mixture comprising cyclohexane-1,2-dicarboxylic acid and an alcohol mixture comprising 1-nonanol, monomethyloctanols, dimethylheptanols and monoethylheptanols and subsequent hydrogenation of said total mixture as lubricants and a lubricant composition comprising these polyesters.. .
Primer resin composition for vehicle reflector
The present invention relates to a primer resin composition for a vehicle reflector. In an embodiment, the primer resin composition for the vehicle reflector includes: (a) about 38 wt % to about 49 wt % of a silicone resin; (b) about 21 wt % to about 38 wt % of a silicone-modified polyester resin; (c) about 0.1 wt % to about 5 wt % of an adhesion promoter; and (d) about 15 wt % to about 40 wt % of a solvent..
Noroo Bee Chemical Co., Ltd.
A polymer comprising reaction product of (a) one or more diacid or diester thereof, and (b) one or more polyol, wherein component (a) comprises 5 to 100 mole %, based on the total amount of component (a), of 2,5-furan dicarboxylic acid (fdca), or one or more c1 to c10 alkyl diester thereof, and component (b) comprises a mixture of 1,3-cyclohexanedimethanol and 1,4-cyclohexanedimethanol, or 2,2,4,4-tetramethyl-1,3-cyclobutanediol, or combinations thereof.. .
Dow Global Technologies Llc
Biodegradable polyester mixture
E-2) 0 to 2 wt %, based on the total weight of components a to e, of a chain extender.. .
Method for continuous production of biodegradable aliphatic/aromatic polyester copolymer
A continuous preparation method of a biodegradable aliphatic/aromatic polyester copolymer includes: performing a first esterification reaction of an aliphatic dihydroxy compound with an aliphatic dicarboxylic acid at a temperature of 185° c. Or less; continuously performing a second esterification reaction of a reaction product from the first esterification reaction; continuously performing a first polycondensation reaction of a reaction product from the second esterification reaction to obtain a prepolymer; continuously performing a second polycondensation reaction of the prepolymer to obtain a second polycondensation reaction product having an intrinsic viscosity from about 0.9 dl/g to about 1.0 dl/g; and continuously performing a third polycondensation reaction of the second polycondensation reaction product to prepare the biodegradable aliphatic/aromatic polyester copolymer, wherein the performing of the first esterification reaction or the continuously performing of the second esterification reaction includes adding an aromatic carboxylic acid.
S-enpol Co., Ltd.
Polyesters, methods of making polyesters and uses therefor
polyester compositions and functionalized polyester compositions are provided along with methods of making the compositions as well as methods of using the compositions, for example as a tissue engineering bioscaffold and as a drug-delivery vehicle.. .
University Of Pittsburgh - Of The Commonwealth System Of Higher Education
Durable stick-on patch for clothing and other items
A durable stick-on patch made from a fabric-like polymer substrate, such as woven polyester, on which a design or information has been printed, by joining the substrate with a fabric adhesive having a backing using a standard laminating device, where individual stick-on patches are cut from the resulting patch-roll and can be applied to clothing or other items at room temperature.. .
Easy Peasy Patches, Inc.
Method of producing an insulating window treatment
A fabric processing method is provided to enhance the thermal performance of window treatments while maintaining their light and sheer decorating value and aesthetic appearance. The method uses heat and pressure to enhance the ability of the fabric to reduce thermal transfer therethrough while preserving overall hand, feel and appearance of the fabrics allowing even sheer fabric window treatments to provide enhanced energy efficiency.
Corona Curtain Manufacturing
Method of making polyester film with a reduced iridescent primer layer
This invention relates to a highly optically clear, composite film having a predominantly thermoplastic polyester base layer and a primer layer of a polyester and polyurethane blend composition. The base layer preferably has an a/b/c layered structure with a substantially particle-free core layer b of polyester and outer layers a and c of polyester containing nonpolyester, organic and/or inorganic particles.
Toray Plastics (america), Inc.
Multilayer film and authentication label
The invention pertains in a first aspect to a multilayer film that includes a frangible holographic image layer and an adhesive layer adjacent to a side of the holographic image layer; and, an additional temporary support layer that is adjacent a side of the holographic image layer that is opposite the adhesive layer, and provides integrity to the multilayer film. The additional temporary support layer can be a polyester film that is removable from the multilayer film at ≦10 gram per inch peel strength; or, can be a heat-shrinkable film that is removable from the multilayer film with the application of heat.
E I Du Pont De Nemours And Company
Toner resins and processes for making the same
Unsaturated polyester resins and processes for making the same are disclosed herein. In particular, the process for making the resin provides resins with improved properties.
Toner resins and processes for making the same
Amorphous polyester resins and processes for making the same are disclosed herein. In particular, the process for making the resin provides resins with improved properties.
Chemically prepared energy efficient toner formulation and method to make the same
The present invention relates generally to chemically prepared toner and method of making the toner for use in electrophotography and more particularly to chemically prepared toner that can simultaneously fix at an energy saving low temperature and also be resistant to hot offset. The chemically prepared toner includes a mixture of a low molecular weight styrene acrylic resin and a low melting polyester resin.
Lexmark International, Inc.
Systems and methods for providing base isolation against seismic activity
A pedestal base isolation system assembly including a base plate having an anchoring layer and a top plate slidably positioned above the base plate. At least one of the top and base plates includes a textured surface, wherein desired coefficients of static and kinetic friction between the top plate and the base plate prevent relative movement of the two plates with normal operation and yet allow the top plate to move relative to the base plate during a seismic event.
Construction kit consisting of wall elements and connectors to be inserted therebetween in order to erect room dividers
The construction kit consisting of wall elements (1,2) and connectors (3,3′) to be inserted therebetween is designed in order to erect room dividers. The wall elements (1,2) are produced by compressing fiber material and have at least one connecting flank (100,20) which is systematically provided with contours (105,25).
Vitra Patente Ag
Use of polyesters as lubricants
The presently claimed invention is directed to the novel use of polyester obtainable by reacting a mixture comprising adipic acid and an alcohol mixture comprising 1-nonanol, monomethyloctanols, dimethylheptanols and monoethylheptanols as lubricants and a lubricant composition comprising these polyesters.. .
Self-lubricating polymer composition and lubricating an article
A self-lubricating polymer composition is provided. The self-lubricating composition comprises a polymer matrix formed from a homopolymer or copolymer selected from the group consisting of a polyamide, a polyester, a polycarbonate, and combinations thereof, and a particulate siloxane slip agent substantially homogeneously distributed in the polymer.
Polyone Designed Structures And Solutions Llc
Amine adducts based on epoxide compounds
The invention relates to a process for preparing an amine adduct, in which a polyamine component (a), a polyester component (b) and a hydrocarbon component (c) are reacted. The amine adduct is of particularly good suitability as a wetting agent and dispersant, especially for coatings and plastics applications..
Primer coating composition
The present invention relates to a primer coating composition that includes, (a) a (meth)acrylic polymer that includes hydroxyl groups, and which has a tg of at least 30° c. The primer coating composition further includes, (b) a polyester that includes hydroxyl groups, and which has a weight average molecular weight of less than 3000, and a hydroxyl value of at least 100.
Ppg Industries Ohio, Inc.
Elastomeric composition having oil resistance
An oil resistant polymer composition is disclosed that contains a thermoplastic elastomer combined with an olefin and vinyl acetate copolymer on an oleophobic agent. In one embodiment, the composition contains a thermoplastic polyester elastomer combined with an ethylene and vinyl acetate copolymer.
Stabilized thermoplastic copolyesters
A thermoplastic copolyester composition that is able to maintain its color and mechanical strength after exposure to full weathering is provided. More specifically, a stabilizing system is employed in the composition that contains a mixture of one or more light stabilizers (e.g., hindered amines, uv absorbers, etc.), antioxidants (e.g., sterically hindered phenols, organophosphorous compounds, etc.), and secondary amines.
Biaxially stretched polyester film and producing same
It is provided that a biaxially stretched polyester film suitable for uses for which nylon films and other flexible films have conventionally been used and a method for producing the film. A biaxially stretched polyester film made of a polyester resin composition (a) containing not less than 60 mass % of polybutylene terephthalate and having yield stress in a md of not more than 70 mpa, yield stress in a td of not more than 70 mpa, rupture strength in the md of not less than 160 mpa, rupture strength in the td of not less than 160 mpa, and rupture elongation in the md and td of not less than 100%..
Toyobo Co., Ltd.
Device and producing polyester
Provided are a device and a method for efficiently producing a polyester by using 1,4-butanediol as a starting material. The device for producing a polyester includes: a preparation tank (4) for starting material slurry; a storage tank (6) for starting material slurry; an esterification reactor (9); an initial polycondensation reactor (11); a middle polycondensation reactor (13); and a final polycondensation reactor (15).
Method for preparing biodegradable polyester copolymer
The present invention provides a method of preparing a polyester-based polymer and a polyester-based polymer prepared by the method. The method of preparing the polyester-based polymer includes a prepolymerization step of polymerizing a dicarboxylic acid compound (a), a diol compound (b), and an aromatic branching agent (c) at 160-220° c.
Samsung Fine Chemicals Co., Ltd.
Method for producing soft polyurethane foam based on polyester polyols
The present invention relates to a process for the production of flexible polyurethane foams, wherein there is used as starting material a polyester polyol component which is composed of at least two dicarboxylic acids.. .
Bayer Materialscience Ag
Process for production of acrylates from epoxides
In one aspect, the present invention encompasses integrated processes for the conversion of epoxides to acrylic acid derivatives and polyesters. In certain embodiments, the methods of the present invention comprise the steps of: providing a feedstock stream comprising an epoxide and carbon monoxide; contacting the feedstock stream with a metal carbonyl in a first reaction zone to effect conversion of at least a portion of the provided epoxide to a beta lactone; directing the effluent from the first reaction zone to a second reaction zone where the beta lactone is subjected to conditions that convert it to a compound selected from the group consisting of: an alpha beta unsaturated acid, an alpha beta unsaturated ester, an alpha beta unsaturated amide, and an optionally substituted polypropiolactone polymer; and isolating a final product comprising the alpha-beta unsaturated carboxylic acid, the alpha-beta unsaturated ester, the alpha-beta unsaturated amide or the polypropiolactone..
Improved process for conversion of lignin to useful compounds
This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char.
Multilayer polishing pad
A multilayer polishing pad includes a cushion layer, an adhesive member, and a polishing layer placed on the cushion layer with the adhesive member interposed therebetween, wherein the adhesive member is an adhesive layer containing a polyester-based hot-melt adhesive or a double-sided tape including a base layer and the adhesive layer provided on each of both sides of the base layer, wherein the adhesive layer or the double-sided tape has a non-adhesive region that occupies 1 to 40% of the surface area, and the polyester-based hot-melt adhesive contains 100 parts by weight of a polyester resin as a base polymer and 2 to 10 parts by weight of an epoxy resin having two or more glycidyl groups per molecule.. .
Toyo Tire & Rubber Co., Ltd.
Coating system for coated metal or polymeric tube
A coated tube can comprise: a tube and a coating composition on the tube. The coating composition can comprise a polyester and an impact modifier, and wherein the impact modifier comprises at least one pendent group selected from epoxy groups and maleic anhydride groups and/or a polyester and an impact modifier, and wherein the polyester comprises poly(butylene terephthalate)..
Preparation multifunctional polyester fibre and multifunctional polyester fibre prepared thereby
The present invention relates to a method for producing a multifunctional polyester fiber, including: mixing a polyester master batch chip, containing cesium tungsten oxide-based particles, with a general polyester chip; spinning the mixture to form a spun fiber; and cooling the spun fiber using a cooling device having a rotational outflow quenching unit and a nozzle-warming heater, and to a fiber produced by the method. The multifunctional polyester fiber according to the present invention exhibits excellent far-infrared emission properties, thermal storage/insulation properties, spinning processability, and dyeability..
Coating agent for mattable coatings
The present invention relates to a coating composition that is suitable in particular for the production of coatings that can be matted. The coating composition comprises a) an aqueous dispersion of a hydroxy-functional prepolymer, obtainable by reaction of at least the following components: i) a component comprising hydroxy groups, ii) a polyester polyol comprising hydroxy groups, iii) a polyisocyanate comprising isocyanate groups, iv) a compound which comprises at least two groups reactive towards isocyanate groups and at least one group capable of anion formation, v) water, wherein components i)-iii) and the ratio of components i)-iii) are so chosen that an excess of hydroxy groups is present relative to the isocyanate groups, b) nanoparticles having a number-average particle size of from 1 to 1000 nm, and c) a crosslinker comprising at least two groups reactive towards hydroxy groups.
Powder coating composition
A coating composition comprising a blend of one or more polyester resins having a lower average molecular weight and higher melt flow index, where the coating composition is in the form of a powder having particles with a fine particle size distribution, and where the coating composition is configured to form a thin coating (34) that is substantially free of pores.. .
Aliphatic polyester resin composition and molded article containing this resin composition
The present invention provides a resin composition that improves slow crystallization, which is a drawback of polyhydroxyalkanoates, and is excellent in molding processability and productivity. The resin composition is an aliphatic polyester resin composition comprising a polyhydroxyalkanoate (a), an amide bond-containing compound (b), and pentaerythritol (c), wherein the amide bond-containing compound (b) is represented by any one of the following general formulas: r1—c(o)n(r2)2, r1—c(o)nh—(r3)—nhc(o)—r1, r1—nhc(o)nh—(r3)—nhc(o)nh—r1, r1—nhc(o)—r2, r1—nhc(o)—(r3)—c(o)nh—r1, r1—c(o)nh—(r3)—c(o)nh—r1, r1—nhc(o)nh—(r3)—c(o)nh—r1, and r1—nhc(o)nh—(r3)—nhc(o)—r1..
Where each a′ is, independently, a residue of a diol, each b′ and each b″ may be identical or different and are, independently, a residue of a saturated or unsaturated anhydride or acid, and c′ and c″ may be identical or different and are independently selected from hydrogen, a residue of an epoxy acrylate compound or a residue of an epoxy silicon-containing compound, with the proviso that c′ and c″ are not both hydrogen, where a is an integer of from 1 to 30, b is an integer of from 1 to 30, and c is an integer of from 1 to 15, and where the flame-retardant polyester has an acid value of from 20 to 40. The present invention is also directed to a process for preparing the flame-retardant polyester and a composition including the same..
Thermosetting resin composition
This invention relates to a radically curable resin composition comprising: a) an unsaturated polyester resin and/or a methacrylate functional resin, b) reactive diluent, c) a copper salt, copper complex, iron salt and/or iron complex, and d) an enaminone.. .
Method for the production of a high-molecular polyester or copolyester and also of a polymer blend comprising these
The invention relates to a method for the production of a high-molecular polyester or copolyester which comprises at least three method steps. In a first method step, a paste is produced from at least one aromatic dicarboxylic acid or the diester thereof or the acid anhydride thereof and also from at least one aliphatic dicarboxylic acid or the diester thereof or acid anhydride thereof and also from at least one dialcohol and also the required quantity of transesterification- or polycondensation catalyst.
Modified phosphorus-containing unsaturated polyester
Wherein each a′ is independently a residue of a diol or polyol, each b′ is independently a residue of a saturated or unsaturated anhydride or acid, g1 and g2 are independently h or a residue of an isocyanate acrylate-based compound or isocyanate silicon-containing compound, with the proviso that g1 and g2 are not both h; and wherein a is an integer from 1 to 30, b is an integer from 1 to 30, and the modified phosphorus-containing unsaturated polyester has an oh value ranging from 50 to 200.. .
Method for preparing biodegradable polyester copolymer and polyester copolymer prepared thereby
The present invention provides a method of preparing a polyester-based polymer and a polyester-based polymer prepared by the method. The method of preparing the polyester-based polymer includes a prepolymerization step of polymerizing a dicarboxylic acid compound (a), a diol compound (b), and a carbodiimide compound (c) at 160-220° c.
Polyester resin for toners, producing same, and toner
The invention relates to a polyester resin for toner, the polyester resin containing a monomer unit derived from isosorbide and a monomer unit derived from 1,2-propanediol, in which the proportion of the monomer unit derived from isosorbide is from 2 to 11% by mass with respect to the total mass of the polyester resin, and a glass transition temperature (tg) of the polyester resin for toner is from 56 to 70° c. According to the invention, it is possible to provide a polyester resin for toner from which toner excellent in storage stability, fixing property, hot offset resistance and image stability in the case of using isosorbide is obtained, and a method for producing the polyester resin for toner.
Biodegradable polyester- and poly(ester amide) based x-ray imaging agents
Biodegradable, radio-opaque polyesters and poly(ester amides) are described herein. The polyesters contain a plurality of radio-opaque agents or radio-opaque agent-containing moieties that are covalently bound along or from the polymer backbone.
Polyesteramide platform for site specific drug delivery
A therapeutic agent delivery system formed of a specific type of poly(ester amide) (pea), a therapeutic agent, and a water miscible solvent is described herein. A method of delivering the therapeutic agent delivery system by delivering the therapeutic agent delivery system formed of a pea polymer, a therapeutic agent, and a water miscible solvent to a physiological environment and separating the phase of the therapeutic agent delivery system to form a membrane from the polymer to contain the therapeutic agent within the physiological environment is also described.
Solvent/polymer solutions as suspension vehicles
A nonaqueous, single-phase vehicle that is capable of suspending an active agent. The nonaqueous, single-phase vehicle includes at least one solvent and at least one polymer and is formulated to exhibit phase separation upon contact with an aqueous environment.
Protective cast cover
Disclosed is a method and apparatus to protect a limb having a wound or condition requiring dryness from moisture. The method of applying a protective covering for a wound or condition requiring dryness comprising the steps of positioning a waterproof polyester fabric sock around an appendage having a gasket secured to an open end of the sock for sealing the sock to an appendage..
Prosthetic heart valve
The present invention provides a prosthetic heart valve comprising a stent, an alloy wire and biological tissue leaflets, the biological tissue leaflets being sewn to the alloy wire which is wrapped with a first polyester cloth, and the alloy wire being sewn to the stent which is wrapped with a second polyester cloth, wherein the stent is ring-shaped, comprising: a first stent layer and a second stent layer which are closely hooping with each other; the first stem layer being on the outside of the second stent layer, the first stent layer being made of a first material, the second stent layer being made of a second material, the first material and the second material being elastic, and the hardness of the second material being higher than that of the first material. Through the design of making the stent always tend to remain annular both in a stationary state and in a stressed state, the prosthetic heart valve of the present invention ensures the perfect match between the stent and the alloy wire, thereby increasing the stability of the entire valve and extending the service life of the valve..
Robust phase inversion emulsification process for polyester latex production
The disclosure provides robust phase inversion emulsification (pie) processes, which produces polyester latex particles having particle size distributions with high centering capability indexes (cpk), for the preparation of toners of good quality.. .
Steam injection process for preparing polyester latex and apparatus thereof
The present embodiments disclose processes for preparing a polyester latex containing an amount of residual organic solvent which is less than 100 ppm by weight of the total weight of the polyester latex.. .
Single layer fire barrier wrap for grease ducts
A five sheet single-layer duct wrap consists of two sheets of fiber-insulation-blanket, one on each side of an aluminum or stainless steel foil sheet completely encased by a three-ply laminate sheet comprising an outer-most aluminum foil backing ply, followed by a fiberglass scrim ply, and then a ply of aluminized polyester face. The laminate sheet provides a top and bottom sheet in a cross-sectional view.
Stripping foam carpet tile
Foam backed carpet tiles are removed from a supporting floor surface without leaving a residue of foam by providing a flexible thin polyester sheet material with a first adhesive material bonding the bottom surface of the foam layer to the top surface of the sheet material and a second adhesive between the bottom surface of the sheet material and the supporting floor surface. The sheet material is caused to separate from the supporting floor surface when removing the carpet tile by the pulling force being applied also to the polyester sheet which has low stretch less than the carpet itself.
The invention relates to an adhesive tape with a carrier composed of a film, there being applied on one side of the carrier an adhesive based on natural rubber or synthetic rubber, where the film is a biaxially oriented film made of polypropylene, polyethylene or polyester such as pet, and on the side of the carrier not coated with adhesive there is a release layer, based in particular on carbamate.. .
Polymer coating system for improved tribological performance
A novel aromatic thermosetting copolyester (atsp) can be processed into highly effective wear resistant coatings by blending with polytetrafluorethylene (ptfe) and other additives. Surface treatments/coatings are key to improving wear performance and durability in a wide array of applications.
Photocurable ink composition for inkjet printing and printed material
The present invention provides a photocurable ink composition for inkjet printing having favorable ejection stability from a low viscosity compatible inkjet head at ambient temperature. The present invention relates to a photocurable ink composition for inkjet printing containing at least a photopolymerizable compound, a photopolymerization initiator, a surfactant, and a pigment, the photocurable ink composition for inkjet printing having a viscosity at 25° c.
Environmentally-friendly anti-cracking, anti-corrosive and waterproof material and preparation method therefor
Disclosed are an environmentally-friendly anti-cracking, anti-corrosive and waterproof material and a preparation method therefor, which may solve the following problems of the existing waterproof and anti-corrosive materials: a single function, a poor property, a high cost and a short service life. The waterproof material in the present invention consists of the following components in weight parts: 5-15 parts of synthetic polyester resin, 3-6 parts of penetrant, 1-3 parts of cellulose fibre, 0.1-0.3 parts of cellulose ether, 75-85 parts of solvent.
Nor-hals compounds as flame retardants
The present invention relates to the use of nor-hals compounds in flame retardant polymer compositions. These compositions are especially useful for the manufacture of flame retardant compositions based on thermoplastic polymers, especially polyolefin homo- and copolymers, polycondensates, such as polyamines or polyesters and duroplastic polymers, such as polyepoxides..
Method for preparing copolyester-ether film
A method for preparing a copolyester-ether film is provided, wherein the method includes a recycled polyester is provided. Alcoholysis is performed by reacting the recycled polyester with a diol to form a first intermediate, wherein the molar ratio of the recycled polyester to the diol is 1:1.8-2.5.
Synthesis of hyperbranched amphiphilic polyester and theranostic nanoparticles thereof
A method of making a hyperbranched amphiphilic polyester compound includes drying under vacuum a mixture of 2-(4-hydroxybutyl)-malonic acid and p-toluene sulphonic acid as catalyst. The vacuum is then released with a dry inert gas after drying.
Novel ruthenium complexes and their uses in processes for formation and/or hydrogenation of esters, amides and derivatives thereof
The present invention relates to novel ruthenium complexes and related borohydride complexes, and their use for (1) hydrogenation of amides (including polyamides) to alcohols and amines; (2) preparing amides from alcohols with amines (including preparing polyamides (e.g., polypeptides) by reacting dialcohols and diamines or by polymerization of amino alcohols); (3) hydrogenation of esters to alcohols (including hydrogenation of cyclic esters (lactones), cyclic di-esters (di-lactones) or polyesters); (4) hydrogenation of organic carbonates (including polycarbonates) to alcohols and of carbamates (including polycarbamates) or urea derivatives to alcohols and amines; (5) dehydrogenative coupling of alcohols to esters; (6) hydrogenation of secondary alcohols to ketones; (7) amidation of esters (synthesis of amides from esters and amines); (8) acylation of alcohols using esters; (9) coupling of alcohols with water to form carboxylic acids; and (10) dehydrogenation of beta-amino alcohols to form pyrazines. The present invention further relates to novel uses of certain pyridine ruthenium complexes..