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Polyester patents

This page is updated frequently with new Polyester-related patent applications. Subscribe to the Polyester RSS feed to automatically get the update: related Polyester RSS feeds. RSS updates for this page: Polyester RSS RSS

Date/App# patent app List of recent Polyester-related patents
 Polyglycolic acid and copolymers thereof from c1 feedstocks patent thumbnailnew patent Polyglycolic acid and copolymers thereof from c1 feedstocks
A method of preparing a poly(glycolic acid) (pga) from the c1 feedstocks carbon monoxide and formaldehyde or its equivalent. By controlling the comonomer feed ratios and the polymerization temperatures, high quality pga can be prepared.
University Of Florida Research Foundation, Inc.
 Production  aliphatic polyester patent thumbnailnew patent Production aliphatic polyester
A sulfonic acid compound is used as a co-catalyst at the time of the ring-opening bulk polymerization of a cyclic ester using a tin compound catalyst.. .
 Concentrated polymer composition (new patent Concentrated polymer composition ("masterbatch"), manufacturing method and use for adding it to polyester fibres and filaments
The invention pertains to the field of synthetic-fibre production for the textile industry and relates to the design and use of a concentrated polymeric composition (“masterbatch”) comprising a polymer from the methacrylate family as a support polymer, representing between 30% and 99% by weight of the polymer composition; and at least one additive and/or pigment representing between 1% and 70% by weight of said composition. During the extrusion process, the composition of the invention is incorporated into the molten fibre and filament-forming polyester polymers in order to increase speed in the spinning process (productivity)..
Iqap Masterbatch Group, S.l.
 Process to prepare polyester phase inversion latexes patent thumbnailnew patent Process to prepare polyester phase inversion latexes
A process includes dissolving a polyester resin in an organic solvent to form a solution, the polyester resin has a latex-destabilizing cation, removing substantially all of the latex-destabilizing cation, neutralizing the solution of the polyester resin, adding a sufficient amount of water to the neutralized solution form an emulsion, and removing a portion of the organic solvent from the emulsion to form a latex of the polyester resin.. .
Xerox Corporation
 Polyurethane rigid foams patent thumbnailnew patent Polyurethane rigid foams
The present invention relates to polyurethane rigid foams formulations. More particularly, the present invention relates to polyurethane rigid foams formulations, prepared from aromatic polyester polyols, which show improved compressive strength.
Dow Global Technologies Llc
 Toner binder and toner patent thumbnailnew patent Toner binder and toner
There is provided a toner binder containing a polyester resin (p) composed of two or more polyester resins that are each obtained by polycondensation of a carboxylic acid component (x) and an alcohol component (y). The alcohol component (y) of at least one polyester resin (p1) constituting the polyester resin (p) comprises 30 to 100 molar % of an adduct (y1) of bisphenol a with 2 to 4 ethylene oxide molecules.
Sanyo Chemical Industries, Ltd.
 Liquid coating composition and a coating method using the same patent thumbnailnew patent Liquid coating composition and a coating method using the same
A liquid coating composition to protect electronic elements on a circuit board includes a heat curable resin composition, a photocurable resin, a photoinitiator, a curing agent, and a solvent. The heat curable resin composition includes poly(acrylic acid) oligomer and at least one compound selected from the group consisting of an epoxy resin and polyester polyol.
Fih (hong Kong) Limited
 Ultra low cure powder coatings patent thumbnailnew patent Ultra low cure powder coatings
Methods and systems for coating metal substrates are provided. The methods and systems include application of tgic-reactive carboxyl-functional polyester resins with high acid number formulated to cure at low temperatures of 120° c.
Valspar Sourcing, Inc.
 Force spun sub-micron fiber and applications patent thumbnailnew patent Force spun sub-micron fiber and applications
A process of forming a non-woven web including spinning a plurality of continuous polymeric filaments including a polyetherimide component selected from polyetherimide homopolymers, polyetherimide co-polymers, aromatic polyester homopolymers, aromatic polyester copolymers, and combinations thereof at a rate of at least 300 grams/hour/spinneret. The continuous filaments have a diameter ranging from 50 nanometer to 5 microns, preferably 50 nanometers to 2 microns..
Sabic Global Technologies B.v.
 Bioswellable sutures patent thumbnailnew patent Bioswellable sutures
Bioswellable sutures are provided in the form of absorbable, compliant monofilaments of an amphiphilic copolyester, an absorbable multifilament braid, a non-absorbable monofilament with swellable outer layer, a non-absorbable multifilament braid with an absorbable monofilament core of an amphiphilic copolymer, and a non-absorbable, multifilament braid molecularly integrated with an outer sheath that is highly hydrophilic.. .
Poly-med, Inc.
new patent

Hyperbranched polymers

There is disclosed certain hyperbranched polyester amides with a cloud point of at least 50° c. In water with end groups selected from: two or more i] tertiary amine functional end groups ii) ammonium functional end groups, iii) polyalkylene glycol functional end groups; iv) quaternary ammonium zwitterionic end groups and/or v) other ionic groups (such as phosphate or sulfate), that are useful in various end uses such as a flocculant..
Dsm Ip Assets B.v.
new patent

Clean release, stretch releasable tape

Adhesive tape for bonding that can be detached without leaving residue and without damaging the surface of a substrate when stretched in a direction of a bond plane. An adhesive tape includes an elastomeric backing having opposing first and second surfaces an acrylate pressure sensitive adhesive disposed on at least one of the first and second surfaces of the backing.
3m Innovative Properties Company
new patent

Pneumatic tire having a single carcass ply reinforced with polyester cords

A pneumatic tire includes a pair of axially spaced apart annular bead cores, each bead core comprising a plurality of metal wraps, each bead core having a radial cross-sectional shape; and a single carcass ply reinforced with polyester cords, the single carcass ply being folded about each bead core, the carcass ply having a main portion that extends between the bead cores and turnup portions that are folded around the bead cores, the polyester cords having a construction of 2000-2000 dtex/½ 8-10/8-10 tpi and 20-30 epi.. .
The Goodyear Tire & Rubber Company

Single-pot process for the production of polyester-co-carbonate polyols

Polyester-co-carbonate polyols and methods for producing the same are provided. The method comprises reacting one or more alcohols having an oh functionality of two or more with one or more organic diacids to form a reaction mixture, adding a first amount of dialkyl carbonate to the reaction mixture to remove water remaining from the reaction mixture by azeotropic drying, adding a transesterification catalyst to the dialkyl carbonate containing reaction mixture and adding a second amount of dialkyl carbonate to the catalyst containing reaction mixture..
Dow Global Technologies Llc

Metal cyanide complex catalyst and its preparation and application

A metal cyanide complex catalyst and its preparation and application are disclosed. The formula of this catalyst is m1a[m2(cn)bl1c]d(x)m(l2)n.xsu.yl3.zh2o and its preparation method comprises: (a) adjusting ph of a mixed solution i′ of l3, m3e[m2(cn)bl1c]f, de-ionized water i, alcohol and/or ether solvent to less than 7.0, and adding it into a mixed solution ii′ of m1(x)g salt, su or su precursor, de-ionized water ii, stirring for reaction under 20° c.-120° c.
Zhejiang University

Polyester/polycarbonate block copolymers via one-pot, neat ring opening polymerization

The instant disclosure describes polyester synthesis processes, including processes for the ring-opening polymerization (rop) of cyclic organic monomer components and components comprising a functional group using an organocatalyst system to effect rop-based block copolymer preparation.. .
Xerox Corporation

Heat-shrinkable white film

A heat-shrinkable white film including an amorphous polyethylene terephthalate; a cyclic olefin resin having a glass transition temperature of 100° c. Or higher; and a polyester elastomer having a vicat softening point of 150° c.
C.i. Kasei Company, Limited

Method for generation of nanoparticles

A discrete nanostructure formed by a method comprising providing an aliphatic multi-block copolymer. The aliphatic multi-block copolymer includes at least one polyester block and at least one functionalized polycarbonate block.
Xerox Corporation

Molded product composed of polyester resin composition

A molded article selected from the group consisting of (1) a sheet or a film, (2) a thermoformed article, (3) a stretched film, wherein the molded article is made of a polyester resin composition containing a polyester resin and a polyester-based plasticizer represented by the following formula (i): r1o—co—r2—co—[(or3)mo—co—r2—co—]nor1 (i), wherein r1 is an alkyl group having from 1 to 4 carbon atoms, r2 is an alkylene group having from 2 to 4 carbon atoms, r3 is an alkylene group having from 2 to 6 carbon atoms, m is the number of from 1 to 6, and n is the number of from 1 to 12, with proviso that all the r2's may be identical or different, and that all the r3's may be identical or different. The molded article of the present invention can be, for example, suitably used, such as a sheet or film for use in various industrial applications in foods, agriculture, and industries, a thermoformed article for use in various applications such as food containers, wrapping materials for daily sundries and household electric appliances, and industrial trays of industrial parts, and a stretched film for use in various applications such as wrapping materials for food wrappings, daily sundries, and household electric appliances, and various industrial films, respectively..
Kao Corporation

Charge roller

The present disclosure discloses a new charge roller particularly but not exclusively for charging a photoconductive element in a liquid electro-photograph (lep) image-forming apparatus. The charge roller includes a cured composition of an aromatic diisocyanate, a polycarbonate polyester polyol, a matte agent, a surface energy modifier, and a conductive agent..
Hewlett-packard Development Company,l.p.

Toner for electrostatic image development

Provided is a toner for electrostatic image development that has good low-temperature fixability, also has long-term heat-resistant storage stability and can form an image with unevenness in gloss suppressed. The toner for electrostatic image development includes toner particles.
Konica Minolta, Inc.

Electrostatic latent image developing toner

An electrostatic latent image developing toner includes toner particles each including a toner core and a shell layer. The shell layer contains a resin including a unit derived from a monomer of a thermosetting resin and a unit derived from a thermoplastic resin.
Kyocera Document Solutions Inc.

Polymer, process and composition

There is described a polymer blend of a first and second polymer comprising: a) a first polymer of: vinyl (co)polymer; alkyd; urethane acrylic copolymer; polyurethane and/or polyester; b) a second copolymer from: b1) optionally at least 10 wt-% of one or derivatives of itaconic acid and/or isomers thereof; b2) up to 20 wt-% of one or more acid functional (or potentially acid functional) monomer(s) and b3) vinyl monomer(s) where wt % of each monomer (b1 to b3) is based on total (b) and where at least one of the first and second polymer is obtained from an itacon-functional monomer such as itaconic acid and/or its derivatives.. .
Dsm Ip Assets B.v.

Biaxially oriented polyester film for molding

A biaxially oriented polyester film for molding, wherein the film lengthwise-direction and widthwise-direction storage elastic moduli at 100° c. Are each greater than or equal to 100 mpa and less than or equal to 1000 mpa, the film lengthwise-direction and width-wise direction storage elastic moduli at 180° c.
Toray Industries, Inc.

Optical film, polarizing plate, and liquid crystal display device

Disclosed is an optical film having a cellulose ester and a polyester containing an alicyclic structure and having a hydroxyl terminal group, a hydrogen atom of which is substituted by an acyl group derived from a monocarboxylic acid, and having a thickness of from 10 to 45 μm, an in-plane retardation of from −5 to 5 nm, a retardation in thickness direction of from −5 to 5 nm, and an elastic modulus of 4.2 gpa or more. The optical film has a reduced thickness, achieves both a high rigidity and optical characteristics including a low retardation, and enhances the polarizer durability used in a polarizing plate..
Fujifilm Corporation

Heat-shrinkable polyester film and packages

Provided is a heat-shrinkable polyester-based film having: a slow shrinkage speed; a shrinkage rate that increases gently with the increase of temperature; a large shrinkage stress; and an excellent shrinkage finish. This heat-shrinkable polyester-based film is characterized in that: the ratio (a1/a2) between the absorbancy (a1) at 1340 cm−1 of the heat-shrinkable polyester-based film measured by the polarized atr-ftir method and the absorbancy (a2) at 1410 cm−1 is from 0.65 to 0.9 in the main shrinkage direction of the film and from 0.45 to 0.75 in the direction orthogonal to the main shrinkage direction; and the warm-water heat shrinkage rate for when the film is immersed in 90-degree warm water for 10 seconds is from 40% to 60% in the main shrinkage direction of the film and from 0% to 12% in the direction orthogonal to the main shrinkage direction..
Toyobo Co., Ltd.

Tyre with lightened belt structure

A radial tyre, which is useable for a passenger vehicle or a van, has a crown reinforcement or belt having a lightened belt structure. The lightened belt structure is constructed of a multilayer composite laminate that includes a first layer of rubber that radially surmounts, in a direction z, two other layers of rubber.
Michelin Recherche Et Technique S.a.

Polyester film, back sheet for solar cell, and solar cell module

0.010≦(peak intensity at 988 cm−1)/(peak intensity at 1410 cm−1)≦0.040  (i).. .

Blended nonwoven fabric, filter medium, and filter unit

The present invention provides a filter medium causing a low pressure drop. The present invention is a filter medium including a porous fluororesin membrane and an air-permeable support member laminated on at least one surface of the porous fluororesin membrane.
Nitto Denko Corporation

Process for preparing polyester alcohols

The invention relates to a process for preparing polyester alcohols by catalytic reaction of at least one at least polyfunctional carboxylic acid with at least one polyfunctional alcohol and/or by catalytic ring-opening polymerization of cyclic esters in the presence of catalysts, wherein a zeolite is used as catalyst.. .
Basf Se

Initiator composition, unsaturated polyester resin composition comprising same, and curing resin

An initiator composition, including: at least two compounds represented by the chemical formula of r—co—o—o—co—r and a compound represented by the chemical formula of r1—co—o—o—r2, where r represents a c2-c12 alkyl or a c6-c10 aryl or substituted aryl, r1 represents a c1-c10 alkyl or a c6-c10 aryl, and r2 represents a c1-c10 alkyl.. .
Wuhan Keda Marble Protective Materials Co., Ltd.

Organic polymeric bi-metallic composites

Organic polymeric bi-metallic alkoxide or aryloxide composites are used as dielectric materials in various devices with improved properties such as improved mobility. These composites comprise a poly(meth)acrylate or polyester having metal coordination sites, and the same or different bi-metallic alkoxide or aryloxide molecules that are coordinated with the organic polymer.

Paint composition having scratch self-recovering properties

Disclosed is a paint composition, and more specifically, a scratch self-recovering paint composition having a shortened drying time and extended pot life, which comprises about 30˜40% by weight of a branched polyester resin; about 30˜40% by weight of an acryl polyol resin; about 0.2˜0.5% by weight of a reaction catalyst; and about 0.99˜9.0% by weight of a reaction retardant, based on the total weight of the paint composition.. .
Kia Motors Corporation

Polyester resin composition

A polyester resin composition containing a polyester resin, and a fine cellulose fiber composite having an average fiber diameter of from 0.1 to 200 nm, wherein the fine cellulose fiber composite contains fine cellulose fibers and hydrocarbon groups being connected thereto via an amide bond. The polyester resin composition of the present invention can be worked into a molded article by thermoforming or injection-molding, and is suitably used for various industrial applications, such as daily sundries, household electric appliance parts, packaging materials for household electric appliance parts, and automobile parts.
Kao Corporation

Method for degrading a readily-degradable resin composition

A method for degrading a readily degradable resin composition comprising an aliphatic polyester (a) which is biodegradable, and an aliphatic polyester (b′) which releases an acid upon hydrolysis and which is biodegradable at a higher degradation rate than that of the aliphatic polyester (a), the method comprising degrading the readily degradable resin composition in an enzyme reaction liquid containing a degradation enzyme, and an acid neutralizing agent incompatible with the enzyme reaction liquid.. .
Toyo Seikan Kaisha, Ltd.

Liquid crystal polyester amide, liquid crystal polyester amide resin composition, and molded article

A liquid crystal polyester amide of the present invention includes 10 mol % to 65 mol % of a structural unit represented by the following formula (1), 3 mol % to 17.5 mol % of a structural unit represented by the following formula (2), 5 mol % to 20 mol % of a structural unit represented by the following formula (3), 7.5 mol % to 42 mol % in total of at least one of a structural unit represented by the following formula (4-1) and a structural unit represented by the following formula (4-2), and 2.5 mol % to 40 mol % in total of at least one of a structural unit represented by the following formula (5-1) and a structural unit represented by the following formula (5-2), and has a melting point of 300° c. Or higher..
Jx Nippon Oil & Energy Corporation

Coating applications

A coating composition containing an emulsion is provided. The emulsion contains a silicone gum, a ethylene oxide/propylene oxide copolymer and water.
Dow Corning Corporation

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.
Abbott Cardiovascular Systems Inc.

Toner compositions

The present disclosure provides for enzymatic polymerization to produce polyester resins suitable for use in manufacturing toners. In embodiments, crystalline copolymers, which are polyesters, may be synthesized from lactones, cyclic anhydrides, cyclic carbonates, and combinations thereof.
Xerox Corporation

Processes to produce short-cut microfibers

A process for producing a microfiber product stream, the process comprises: (a) contacting cut multicomponent fibers having a length of less than 25 millimeters with a treated aqueous stream in a fiber slurry zone to produce a cut multicomponent fiber slurry; (b) contacting the cut multicomponent fiber slurry with a heated aqueous stream in a mix zone to produce a heated multicomponent fiber slurry; (c) routing the heated multicomponent fiber slurry to a fiber opening zone to remove a portion of the water dispersible sulfopolyester to produce an opened microfiber slurry; wherein the opening zone comprises a pipe reactor; and (d) routing the opened microfiber slurry to a primary solid liquid separation zone to produce the microfiber product stream and a first mother liquor stream.. .
Eastman Chemical Company

Tyre with lightened belt structure

Radial tyre, notably, for a passenger vehicle or van, with a lightened belt structure (10) comprising a multilayer composite laminate (10a, 10b, 10c) of specific construction with a first layer (10a) of rubber (c1) comprising heat-shrinkable textile circumferential reinforcers (110) made of polyester, for example pet or pen, this first layer radially (in the direction z) surmounting two other layers (10b, 10c) of rubber (c2, c3 respectively) reinforced with monofilaments (120, 130) of high tensile steel; this multilayer composite laminate allows the weight and rolling resistance of the tyres to be reduced without impairing the cornering stiffness and, therefore, road holding and handling, while at the same time offering running endurance that is at least equivalent if not better.. .
Michelin Recherche Et Technique S.a.

Polyester film and producing the same, back sheet for solar cell, and solar cell module

A polyester film containing a polyester support having a terminal carboxylic acid value of from 3 to 20 eq/ton and iv of from 0.65 to 0.9 dl/g, and a conductive layer having a surface specific resistance of from 106 to 1014Ω per square with an in-plane distribution of from 0.1 to 20% exhibits an improvement in withstand voltage.. .
Fujifilm Corporation

"astro patch"- astrological or zodiac sign appliques to be attached to and/or worn on garments and other cloth-like materials

The “astro-patches” are strong, lightweight and thin; they are made of 100% polyester or other suitable materials or fabric; and from a side angled view, they have an approximate breadth of only 0.675 mm in thickness. The iron-on “astro-patches” or appliques are created with use of existing embroidery technology and can be applied to or worn on virtually any cloth-like garment, wearing apparel or cloth-like materials.

Thermosetting resin composition for steel inserts and production thererof

Disclosed is a thermosetting resin composition for steel inserts, the composition including a thermosetting resin composite and a glass fiber. The thermosetting resin composite preferably includes 100 phr of an unsaturated polyester resin, about 30 to 40 phr of a low shrinkage agent, about 5 to 8 phr of a release agent, about 130 to 140 phr of a filler, about 2 to 8 phr of a thickening agent, and about 1 to 2 phr of a curing agent, based on 100 phr of the unsaturated polyester resin.
Hanwha L&c Corporation

Urethane (meth)acrylate and moisture-proof insulating coating material

Provided is a photocurable moisture-proof insulating coating material which places little burden on the environment and has excellent surface curability with low irradiation. In addition, this photocurable moisture-proof insulating coating material is hydrophobic and exhibits high adhesion to a substrate material.
Showa Denko K.k.

Process for preparing foamed polymer

The invention pertains to a process for manufacturing a glycerol-tricarboxylic acid polyester foam which comprises the steps of combining glycerol and a tri-carboxylic acid to provide a liquid reaction mixture and contacting the reaction mixture with a substrate under polymerization conditions, wherein the substrate has a top layer comprising one or more of metal, metal oxide, and metal halide. The invention also pertains to a glycerol-tricarboxylic polyester foam, in particular a glycerol-citric acid polyester foam, which has a closed cell foam structure wherein at least 90 vol.
Universiteit Van Amsterdam

Polylactic polyester resin, aqueous polylactic polyester resin dispersion, and production aqueous polylactic polyester resin dispersion

An aqueous dispersion, an aqueous resin composition, an aqueous adhesive, an aqueous paint, aqueous ink, a laminate made of an aqueous adhesive or aqueous ink, a packaging material, a sustained-release biodegradable coating agent, and a sustained-release biodegradable coated body comprising the sustained-release biodegradable coating agent, which contain the polyester resin.. .

Biocompatible hydrophilic compositions

Durable hydrophilic compositions comprising aliphatic polyester, an anionic surfactant, and in some embodiments, a carrier.. .
3m Innovative Properties Company


A toner comprising a binder resin and a wax, wherein the binder resin contains a binder resin a and a binder resin b, the binder resin a has a softening point of at least 120° c. And not more than 150° c., has a polyester unit, and has a terminal of which a first aliphatic compound having a melting point of 60° c.
Canon Kabushiki Kaisha

Liquid-crystalline polyester multifilament

A liquid crystalline polyester multifilament has a fusion degree between single fibers of 0 to 20. A method of producing a liquid crystalline polyester multifilament includes at least one step of a melt spinning step and a rewinding step, wherein an anti-fusion agent is deposited on a fiber surface of a melt-spun liquid crystalline polyester multifilament from application directions different from each other by 90 to 180° in a plane perpendicular to the yarn running direction..
Toray Industries, Inc.

Method for forming multilayered coating film

This invention provides a method for forming a multilayered coating film, which comprises applying a first aqueous base coating composition, then applying a second aqueous base coating composition without preheating, then conducting preheating, subsequently applying a clear coating composition, and then curing thus formed three layers of first aqueous base coating film, second aqueous base coating film and clear coating film simultaneously, wherein a coating composition which comprises a specific aqueous polyester resin, a specific aqueous acrylic resin, an aqueous urethane resin and a melamine resin, when used for the first aqueous base coating composition, gives a multilayered coating film which is excellent in smoothness, distinctness-of-image gloss, chipping resistance and hardness.. .
Kansai Paint Co., Ltd.

Sheet for packaging edible meat, and casing for packaging edible meat

A sheet for packaging edible meat is provided that includes a layer a and a layer b thermally adhered to each other. In the sheet, the layer a is a wet-laid nonwoven fabric produced by mixing a first core-in-sheath fiber (a) having a core made of polyester and a sheath made of polyethylene, a second core-sheath fiber (b) having a core made of polyester and a sheath made of a low-melting-point polyester, and an ultrafine polyester fiber (c).
Oci Co., Ltd.

Linear polyesteramides from aminophenolic esters

As well as a variety of uses to coat, form or comprise medical devices, combination medical devices and pharmaceutical compositions, including sustained release formulations.. .

Multilayer optical film having high heat resistance and manufacturing the same

Also, the present invention provides a method for manufacturing a multilayer optical film comprising (a) melting extrusion a first resin comprising a crystalline naphthalene dicarboxylic-acid polyester and a second resin comprising petg respectively and then alternately laminating the first resin and the second resin; and (b) elongating the laminated sheet in step (a) and then thermosetting them.. .

Polyesters and articles made therefrom

Disclosed herein are polyesters and articles made therefrom. The article comprising a substrate comprising a first surface and a second surface, the second surface in contact with an outside environment, wherein the substrate comprises a polymer comprising poly(trimethylene furandicarboxylate) (ptf), and wherein the polymer provides an improvement in gas barrier properties of the substrate as compared to a substrate comprising nascent poly(ethylene terephthalate) (pet)..
E I Du Pont De Nemours And Company

Pneumatic radial tire

Are 0.1 to 0.4 and 0.1 to 0.45, respectively, and the initial tensile resistance degree is 7 to 20 gpa, and the adhesion level of the polyester cord in a residual adhesion evaluation method after an adhesive agent treatment is 5 n/cord or higher.. .

Rigid ballistic composites having large denier per filament yarns

A rigid ballistic-resistant composite includes large denier per filament (dpf) yarns. The yarns are held in place by a resin to form a rigid composite panel with improved ballistic performance.
Barrday Inc.

Methods for preparation of macrocyclic polyester oligomer via heterogeneous catalysis

The invention relates to methods and systems for preparing macrocyclic polyester oligomer (mpo) directly from monomer via heterogeneous catalysis, rather than by depolymerizing a polyester. For example, in an exemplary embodiment, cyclic poly(butylene terephthalate) (cpbt) is produced by reacting butanediol (bdo) and dimethylterephthalate (dmt) in an organic solvent—for example, ortho-dichlorobenzene (odcb).
Liquid Thermo Plastics, Inc.

Polyester composition, and polyester article prepared therefrom

Wherein r is independently hydrogen, fluorine, chlorine, bromine, or c1-6 alkyl.. .

Thermoplastic resin composition

Provided is a thermoplastic resin composition that includes 100 parts by weight of a thermoplastic resin including 50 to 90 wt % of a polycarbonate resin; and 10 to 50 wt % of a polyester resin; 1 to 10 parts by weight of a vinyl cyanide compound-aromatic vinyl compound copolymer; and 1 to 10 parts by weight of an inorganic particle; wherein the vinyl cyanide compound in the vinyl cyanide compound-aromatic vinyl compound copolymer is less than or equal to 30 wt %.. .
Cheil Industries Inc.

Clearcoat coating composition, production and use

Described is a clearcoat coating composition, its use, and a process for preparing the clearcoat coating composition. The clearcoat coating composition comprises (a) at least one polyester having an oh number of 80-250 mg koh/g, comprising (a1) 10 to 20 mol % of at least one acyclic, aliphatic, branched polyol having two hydroxyl groups, (a2) 5 to 15 mol % of at least one acyclic, aliphatic, branched polyol having three hydroxyl groups, (a3) 10 to 20 mol % of at least one acyclic, aliphatic, branched polyol having four hydroxyl groups, (a4) 25 to 40 mol % of at least one cycloaliphatic 1,2-dicarboxylic acid and/or the anhydride of this dicarboxylic acid, and (a5) 20 to 35 mol % of isononanoic acid, wherein the molar fractions are based in each case on the total molar fraction of the compounds (a1) to (a5) and wherein this total molar fraction accounts for at least 70 mol % of the compounds present in the polyester (a); (b) at least one butanol-etherified melamine-formaldehyde resin having a crosslinking onset temperature between 65° c.-100° c.
Basf Coatings Gmbh

Fire-retardant composition of an alloy of polyamide and polyester resins

The present invention relates to a composition comprising at least a thermoplastic polyamide resin, a thermoplastic polyester resin, a reinforcing or bulking filler and a fire retardant. Said composition does not comprise any compatibilizer for the polyamide and the polyester, such as an agent of polymeric type, and especially no epoxy resin.
Rhodia Operations

Thermosetting resin compositions

The present invention relates to a thermosetting resin composition comprising (a) an unsaturated polyester resin comprising fumaric acid building blocks and/or a methacrylate functional resin, whereby the resin has a molecular weight mn of from 450 up to and including 10000 dalton and the amount of such unsaturated polyester resin and methacrylate functional resin is from 30 up to and including 80 wt. %; (b) an ethylenically unsaturated compound copolymerizable with (a); present in an amount from 10 up to and including 60 wt.
Dsm Ip Assets B.v.

Polyester polyols containing diels-alder or ene adducts

Polyester polyols containing adducts formed from diels-alder and ene reactions are disclosed. Processes for making the polyester polyols and uses of the polyester polyols as polyurethane coatings, adhesives, sealants, elastomers, and foams are also disclosed.
Stephan Company

Three-dimensional net-like structure

By taking into account the difficulty in smoothly bending along the shape of, for example, a care bed, there is provided a three-dimensional net-like structure made from polyester having a swelling ratio dependent on a shear rate such as to be 1.10 to 1.38 at a shear rate of 60.8 sec−1 and 1.17 to 1.43 at a shear rate of 608 sec−1 and having an mfr of 3 to 35 g/10 min and a density of 1.01 to 1.60 g/cm3 and configured to have a spring structure of filaments randomly brought into contact with and tangled with one another, have a three-dimensional striped sparse-dense configuration in a lateral direction relative to an extrusion direction. The swelling ratio is shown as d2/d1 against shear rate when a molten thermoplastic resin is extruded to filaments from a capillary having a tube inner diameter d1 of 1.0 mm and a length of 10 mm and d2 denotes a diameter of cross section of the filaments extruded and cooled down..
C-eng Co., Ltd.

Popular terms: [SEARCH]

Polyester topics: Polyurethane, Terephthalate, Polyester Film, Carboxylic Acid, Lactic Acid, Transparency, Antibacterial, Polyphenols, Vinyl Chloride, Polyphenol, Polyester Composition, Castor Oil, Rotor Blade, Polyester Polyols, Rotor Blades

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