|| List of recent Polyester-related patents
|Methods for preparation of polyester oligomer via base catalysis|
The invention relates to methods and systems for preparing macrocyclic polyester oligomer (mpo) via base catalysis. It is found that base catalysts are effective in the production of mpo, and they reduce the potential for undesired byproducts such as furans (e.g., thf) and acetaldehyde, which result from diol side reactions..
|Controllably degradable thermoplastic polyurethane and overgrips made therefrom|
Controllably degradable overgrips are provided, as well as methods of producing controllably degradable thermoplastic polyurethane. Methods comprise pre-blending a catalyst on a matrix, dispersing a specified amount of the pre-blended catalyst throughout solid granular thermoplastic polyurethane to yield a polymer component, and determining an onset timing of hydrolytic breakdown of the polymer component by adjusting the specified amount of dispersed catalyst.
|Composite fiber, method for producing polyurethane elastomer fabric, and polyurethane elastomer fabric|
Provided is a composite fiber capable of forming a fabric giving a good wearing feeling to a human body. This composite fiber is composed of a polyurethane elastomer having a glass transition temperature of 15 to 50° c.
|Aqueous polyurethane dispersion for waterproof breathable coatings|
Aqueous polyurethane dispersion for waterproof breathable coatings an aqueous polyurethane dispersion comprises a polyurethane polymer obtainable by the reaction of an isocyanate-functional polyurethane prepolymer a) with an isocyanate-reactive component b), wherein the isocyanate-functional prepolymer a) is obtainable by the reaction of a mixture comprising: a polyol component comprising a polyester polyol obtainable by the reaction of a mixture comprising an aliphatic dicarboxylic acid and at least one diol selected from the group consisting of linear aliphatic diols and a branched aliphatic diols; and a polyisocyanate component comprising ≧50 weight-%, based on the total weight of polyisocyanates, of dicyclohexylmethane diisocyanate. The isocyanate-reactive component b) comprises a compound comprising sulfonate groups which is employed in an amount of ≧3.5 weight-% to ≦10 weight-%, based on the total weight of the polyol component, the polyisocyanate component and the isocyanate-reactive component b).the invention also concerns the use of such an aqueous polyurethane dispersion for coatings, a method of manufacturing a coated substrate and to a coated substrate..
|Alizarin-based polymer colorants|
A polymer colorant including polymer monomer units, and at least one alizarin unit which is incorporated into the polymer and which provides color to the polymer colorant and a process for preparing the polymer colorant. An article or composition containing the polymer colorant.
|Structurally stable active material for battery electrodes|
A process of producing active material for an electrode of an electrochemical cell includes providing lithium-intercalating carbon particles having an average particle size of 1 μm to 100 μm as component 1, providing silicon particles having an average particle size of 5 nm to 500 nm as component 2, providing a polymer or polymer precursor which can be pyrolyzed to form amorphous carbon and is selected from the group consisting of epoxy resin, polyurethane resin and polyester resin, as component 3, mixing components 1 to 3 in to a mixture and heat treating the mixture substatually in the absence of atmospheric oxygen at a temperature at which the pyrolyzable polymer or the pyrolyzable polymer precursor decomposes to form amorphous carbon.. .
|Thermally protective flame retardant fabric|
The present invention provides a fabric consisting of a single layer of a non-woven substrate treated with a flame retardant finish. The non-woven substrate comprises cellulosic fibers and polyester fibers and has a basis weight ranging from 2.0 to 15.0 ounces per square yard.
|Laminated metal sheet and food can container|
A first polyester resin layer formed on a surface of a metal sheet to serve as the exterior of a container after being formed into the container contains 30% to 60% by mass of poly-ethylene terephthalate or copolymerized polyethylene terephthalate having a copolymerization component content of less than 6 mol %, and 40% to 70% by mass of polybutylene terephthalate. A second polyester resin layer formed on a surface of the metal sheet to serve as the interior of a container after being formed into the container is copolymerized polyethylene terephthalate having a copolymerization component content of less than 14 mol %.
|Back protective sheet for solar cell module and solar cell module|
A back protective sheet for a solar cell module containing a polyester support that is biaxially stretched and then subjected to a thermal fixation treatment; and a polymer layer arranged to be in contact with at least one surface of the polyester support, wherein the polymer layer contains a binder having at least one functional group selected from a carboxyl group, a hydroxyl group, an amino group, a sulfonic acid group, and a carbonyl group; a pigment; and a crosslinking agent-derived structure, and the polyester support contains a polyester, a pigment, and an terminal blocking agent, has excellent adhesion between the support and the functional layer after wet heat aging.. .
|Coating composition for metal substrates|
The present invention provides novel packaging articles, e.g., food and beverage cans. Preferred cans typically comprise a body portion and an end portion, wherein at least one of the body and end portions are aluminum and are coated on at least one major surface with a coating composition of the present invention.
|Process for reducing fouling in the processing of liquid hydrocarbons|
The present invention relates to the use of a polyester which bears hydroxyl groups and is preparable by polycondensation of a polyol containing two primary oh groups and at least one secondary oh group with a dicarboxylic acid or anhydride thereof or ester thereof bearing a c16- to c400-alkyl radical or a c16- to c400-alkenyl radical as an antifoulant in the thermal treatment of liquid hydrocarbon media in the temperature range from 100 to 550 deg c.. .
|A process for preparing a polymer product having a 2,5-furandicarboxylate moiety within the polymer backbone to be used in bottle, film or fibre applications|
A process for preparing a polymer having a 2,5-furandicarboxylate moiety within the polymer backbone, and having a number average molecular weight of at least 25,000, includes a transesterification step, a polycondensation step, a drying and/or crystallizing step, and a step where the polymer is subjected to post condensation conditions, and to a polyester-containing bottle or film or fibre-containing woven or non-woven object made from melt-processing poly(ethylene-2,5-furandicarboxylate), where the poly(ethylene-2,5-furandicarboxylate) is obtainable by the process of the invention.. .
|Electric/electronic component using flame-retardant polyester-based resin composition|
An object of the invention is to provide an electric/electronic component including a flame-retardant polyester-based resin composition, which uses no halogen-based flame retardant, has high flame retardancy, and can withstand long-term continuous use at high temperature. The electric/electronic component includes a flame-retardant polyester-based resin composition containing 100 parts by weight of a thermoplastic polyester-based resin (a), 5 to 80 parts by weight of a polymer-type organophosphorus flame retardant (b) whose main chain has a polyester structure, 1 to 20 parts by weight of an amorphous thermoplastic super engineering plastic (c), 5 to 120 parts by weight of a fibrous inorganic compound (d), and 5 to 50 parts by weight of a non-fibrous inorganic compound (e)..
|High dimensional stability polyester compositions|
The invention relates to a composition comprising a polyester, a photoreactive comonomer and a co-reactant, wherein the co-reactant comprises at least one member selected from the group consisting of an unsaturated diol, an unsaturated aliphatic diacid, an unsaturated aromatic diacid, an unsaturated aliphatic ester, an unsaturated aromatic ester, an unsaturated anhydride and mixtures thereof. Other aspects of the present invention include articles produced from these compositions and processes for producing these compositions..
|Radiopaque iodinated and iodide-containing crystalline absorbable aliphatic polymeric materials and applications thereof|
Radiopaque, iodinated, absorbable polyesters, polyester urethanes, and polyether-ester-urethanes with and without inorganic iodide micro-/nanoparticles dispersed or solubilized therein, and composite inorganic iodide micro-/nanoparticles in an absorbable polyester, polyester-urethane, polyester-ester, or polyether-ester urethane matrix are employed in medical devices and therapeutic compositions.. .
A magnetic toner is provided that exhibits an excellent electrostatic offset resistance both initially and after long-term use. The magnetic toner contains: magnetic toner particles containing a binder resin and a magnetic body; and inorganic fine particles present on the surface of the magnetic toner particles, wherein the inorganic fine particles present on the surface of the magnetic toner particles contain a prescribed metal oxide fine particle in a prescribed proportion; the magnetic toner has prescribed numerical value ranges for a coverage ratio a of the magnetic toner particle surface covered by the inorganic fine particles and for a coverage ratio b by the inorganic fine particles that are fixed to the magnetic toner particle surface; the magnetic toner particle contains a crystalline polyester; and measurement of the magnetic toner with a differential scanning calorimeter provides a characteristic differential scanning calorimetric curve..
|Hybrid composite yarn|
This invention is a hybrid composite yarn comprising: a first polyolefin yarn having >about 80% crystallinity according to waxs measuring techniques; a second yarn taken from the group consisting of: glass; quartz; carbon; poly(p-phenylene terephthalamide), poly(m-phenylene terephthalamide); poly(vinyl alcohol); poly(1,4-phenylene-2,14-benzibisoxazole) (pbo); poly(1,4-phenylene-2,14-benzobisthiazole) (pbt); poly(benzimidizole) (pbi); poly(ethylene-2,14-naphthalate) (pen); lyotropic liquid crystalline polymers formed by polycondensation of aromatic organic monomers to form aromatic polyesters, polyamides, aluminia-silicates, basalt, regenerated cellulosic materials and ultra-high molecular weight polyethylene (uhmwpe); and, wherein the first polyolefin yarn and the second yarn are physically combined to form a composite yarn having at least one of the following properties: tenacity greater than about 100% of the expected tenacity based on the volume fraction of the second; an initial modulus >about 100% of the expected modulus based on the volume fraction of the second; elongation at break <about 320% of the elongation at break of the second.. .
|Polyester composite fiber with excellent heat-shielding property and coloration|
To provide a polyester composite fiber having a heat-shielding property due to high reflectance in an infrared wavelength range (800 to 3000 nm) easy to be changed into thermal energy, and having color development property comparable to that of conventional polyester fibers. The composite fiber is a core-sheath type composite fiber including a core component and a sheath component of 10:90 to 30:70 (mass ratio).
|Substrate film for manufacturing transparent electrode film|
A transparent electrode film is manufactured by applying a transparent electrode material such as a conductive polymer, carbon nanotubes, graphene or metallic nanowires on the surface of a transparent substrate such as polyester, etc., wherein, in order to reduce changes in the surface resistance of the transparent electrode film during edge testing, photocurable resin layers are formed on both surfaces of the substrate film, and a transparent electrode layer is formed on the surface of either of the resin layers. This technique involves adjusting the degree of photocuring of the photocurable layers formed on both surfaces of the substrate film such that the degree of curing of the photocurable layer on one surface is at least 85%, and the degree of curing of the photocurable resin layer on the other surface falls in the range of 45 to 85% and then the transparent electrode layer is formed thereon..
|Oxygen-absorbing resin composition|
And a polymer having a constituent unit stemming from the acid anhydride. An oxygen-absorbing polyester resin composition exhibits excellent oxygen-absorbing property even in the absence of transition metal catalyst without accompanied by the deterioration of the polyester resin used as a the base resin, the oxygen-absorbing property being strong enough for maintaining gas-barrier properties..
|Polyester-based primer composition, optical film and polarizing plate comprising the same|
There is provided a polyester-based primer composition including 100 parts by weight of a polyester resin, 1 to 20 parts by weight of water-dispersible particles, and water as a remainder. Since a polyester-based primer composition of the present disclosure is excellent in water resistance and solvent resistance differently from a urethane primer composition, the polyester-based primer composition may obtain sufficient adhesive strength between a protection film and a functional coating layer even without assistance from additives such as a cross-linking agent, and may retain stable adhesive strength for a long period of time..
To provide an optical film that shows small change in color over time and is excellent in infrared reflectance and durability. An optical film having a laminated body including a high-refractive index layer and a low-refractive index layer on a substrate, wherein the layer adjacent to the substrate contains at least one kind selected from the group consisting of a modified polyvinyl alcohol and an aqueous polyester resin modified with a vinyl monomer..
|Archery target with coated liner|
An archery target includes an impact-absorbing core configured to arrest an incoming projectile and a multilayered bag enveloping the impact-absorbing core and defining an outer surface of the target. The multilayered bag includes a flexible fabric layer comprising a plurality of interwoven fibers and a polyurethane coating layer applied to the flexible fabric layer and at least partially overlapping the flexible fabric layer such that the polyurethane coating layer at least partially fills spaces between the plurality of interwoven fibers.
|Thermoplastic polyurethane with reduced tendency to bloom|
The present invention discloses a thermoplastic polyurethane which is comprised of the reaction product of (1) a hydroxyl terminated polyester intermediate, (2) a polyisocyanate, and (3) a glycol chain extender; wherein the hydroxyl terminated polyester intermediate is comprised of repeat units that are derived from 1,3-propylene glycol and a dicarboxylic acid; wherein the hydroxyl terminated polyester intermediate has a number average molecular weight from 500 to 10,000; and wherein the thermoplastic polyurethane includes hard segments that are the reaction product of the polyisocyanate and the glycol chain extender. This thermoplastic polyurethane is unique in that it has a greatly reduced tendency to bloom.
|Unsaturated polyester resin composition and encapsulated motor|
The present invention is an unsaturated polyester resin composition comprising an unsaturated polyester (a), a monomer (b) having one polymerizable carbon-carbon double bond, a monomer (c) having two or more of (meth)acrylate groups, a filler (d) having high thermal conductivity, a glass fiber (e), a low profile additive (f), a curing agent (g), and a polymerization inhibitor (h), wherein the ratio by weight of the ingredient (b) to the ingredient (c) is from 50:50 to 75:25 and the unsaturated polyester resin composition comprises 400 to 1400 parts by weight of the ingredient (d) based on the total 100 parts by weight of the ingredients (a), (b), and (c). This unsaturated polyester resin composition has excellent curing properties without losing storage stability which can be used to provide a cured product having a low mold shrinkage ratio and high thermal conductivity..
|Flat container comprising thermoplastic resin and method for molding the same|
The invention realizes easy manufacturing of a flat container molded by blow molding, in which the wall thickness of a container wall is made uniform, and which provides improved mechanical strength, heat resistance, etc. And has a good appearance.
|Colored polyvinyl chloride adhesive film|
The present invention provides an adhesive film comprising a colored polyvinyl chloride film having opposite first and second major sides, the first major side having an adhesive layer protected by a release liner and a primer layer arranged between the colored polyvinyl chloride film and the adhesive layer, the primer layer comprising an aminoplast and a polyester and/or a curing product thereof and having a thickness of more than 10 microns, the second major side having a clear transparent top layer. Further provided is a use of the adhesive film in producing graphics on a substrate..
|Filter element and method for producing a filter element|
A filter element has a filter body of at least one layer of a flat web-shaped filter medium, separating a raw side from a clean side of the filter element. A hot melt system is provided and the filter body is glued together by the hot melt system.
|Anti-ballistic protective undergarment|
A protective undergarment (10), shown in the form of shorts, includes integrally formed protective panels (22, 26, 30) that exhibit slash-proof properties. The protective areas (22, 26, 30) are made from a flexible kevlar® knit or the like, and extend to cover the groin, crotch, substantial areas of the buttocks and the inner thigh regions of both legs.
|Fiber reinforced resin molding compound and manufacturing method for fiber reinforced resin molded article therefrom|
A molding compound for manufacturing a fiber reinforced molded article is provided. The molding compound includes a resin composition and reinforcing fibers, with the resin composition containing an unsaturated polyester resin, a microencapsulated curing agent and a non-microencapsulated curing agent..
The present invention provides a polyester film that can be suitably used in the applications requiring excellent transparency and slipping property, for example, such as a film member for a transparent electrode used in touch panels, etc., and a member for molding films. The present invention relates to a polyester film comprising non-heat-resistant particles supported thereon, in which after supporting the non-heat-resistant particles on at least one surface of an unstretched polyester film, the unstretched polyester film is stretched in at least one direction thereof, and a process for producing a polyester film comprising the steps of blowing non-heat-resistant particles onto at least one surface of an unstretched polyester film to support the non-heat-resistant particles thereon, or applying a coating solution comprising the non-heat-resistant particles onto at least one surface of the unstretched polyester film to support the non-heat-resistant particles thereon; and then stretching the unstretched polyester film in at least one direction thereof..
|Polyurethane adhesive having low gross heat of combustion and insulation panels assembled with such adhesives|
A polyurethane adhesive having a low gross heat of combustion is used to assemble insulation panels such as mineral wool insulation panels. The polyurethane adhesive contains a polyisocyanate side and a polyol side.
A fabric for a seam region of an inflatable air-bag includes fibres formed from polyester and having an elongation at break of around 12% to 20%. The fabric also has an instantaneous thermal creep above 0.5% at 100° c..
|Peelable antifog coated film for amorphous polyester trays|
Described are antifog films useful for packaging food, and more particularly to antifog films that can be used as lidding films in trays made of amorphous polyester. The films may include at least one base layer or film, such as a polyester film, and a heat seal layer.
|Swellable fiber and microfiber forming polyether-esters and applications thereof|
Biomedical and tissue engineering devices, such as surgical sutures and microporous scaffolds, respectively, which undergo swelling and increase in dimensions when placed in aqueous environments such as living tissues, are produced by the melt-spinning or electrostatic spinning into strong monofilament and multifilament yarns or microfibrous fabrics, respectively. Such devices are formed from especially high molecular weight crystalline polyether-esters having a minimum inherent viscosity of 0.8 dl/g and heat of fusion of at least 5 j/g, wherein the polyether-esters are made by grafting to a polyester component a polyether glycol component having a minimum molecular weight of about 11 kda with at least one cyclic monomer..
|Biaxially stretched laminated polyester film, infrared light shielding structure for laminated glass composed of the same, and laminated glass composed of the same|
Provided are a biaxially stretched laminated polyester film and a laminated glass composed of the same. Specifically, the invention is achieved by a biaxially stretched laminated polyester film including 51 layers or more in total, in which a first layer and a second layer are alternately laminated, wherein a polyester (a) constituting the first layer is polyethylene-2,6-naphthalenedicarboxylate; a polyester (b) constituting the second layer is a polyester containing at least one of an ethylene terephthalate component and an ethylene naphthalene dicarboxylate component; an average reflectance within a wavelength range of 400 to 750 nm is not more than 25%; an average reflectance within a wavelength range of 800 to 1,200 nm is 50% or more; and a young's modulus of the film at 90° c.
|Process and apparatus for molding composite articles|
A method and an apparatus for molding composite articles are disclosed. The method generally involves the saturation of reinforcing fibers (e.g.
|Novel compound having bisazo dye skeleton, pigment composition containing the same, pigment dispersion, ink, and color filter resist composition|
The present invention relates to a compound having a bisazo moiety and a polyester moiety.. .
|Liquid filtration media containing melt-blown fibers|
A filter and filter media configured and arranged for placement in a fuel stream is disclosed. The filter and filter media allow for filtering of liquid fuels, such as diesel fuel.
|Garment with hidden protective padding|
A casual aesthetic garment constructed with hidden panels of padded material. The padding is some kind of open or closed cell foam.
|Device for repair surgery of cylindrical organs, particularly ruptured tendons|
A device for repair surgery of cylindrical organs, particularly ruptured tendons, is configured as a tubular sheath (t) made of a biocompatible and biodegradable polymer. The tubular sheath comprises an elastic fiber mesh formed by electrospinning of said polymer and has an inner wall surface and an outer wall surface substantially parallel thereto.
|Method for producing cleaning blade|
In a method for producing a cleaning blade, a first composition obtained by causing a reaction of diphenylmethane diisocyanate and a first aliphatic polyester polyol which has a number-average molecular weight of 2000 to 3500 and is used in an amount of 20 to 40 mol % relative to the diphenylmethane diisocyanate and a second composition containing a urethane rubber-synthesizing catalyst and a second aliphatic polyester polyol which has a number-average molecular weight of 2000 to 3500 and is the same as or different from the first aliphatic polyester polyol are mixed so that a relationship between a number of moles (mnco [mol]) of an nco group in the first composition and a number of moles (moh [mol]) of an oh group in the second composition satisfies 0.05≦moh/mnco≦0.20.. .
|New process of preparation of polyols and polyamines, and products as obtained|
The present invention relates to the use of a compound of formula (i): wherein: —r represents —oh or —nh2; —a1 represents a divalent alkylene radical, straight or branched, having from 2 to 20 carbon atoms; —a2 represents a divalent alkylene radical, straight or branched, having from 1 to 20 carbon atoms; —x1 and x2 represent, independently of each other, —nh— or −o—; —a3 represents a divalent alkylene radical, straight or branched, having from 1 to 10 carbon atoms; —z represents a hydrogen or a group of formula (a′): wherein a1, a3 and r are as defined above in formula (i), for the preparation of a polymer chosen among polyurethane, polyester and polyamide.. .
|Dual cure system|
Multi-pack curable composition comprising: a first pack comprising a blend of (i) an epoxy resin, (ii) an unsaturated polyester or vinyl ester resin, and optionally (iii) a peroxyester, a second pack comprising an amine curing agent for the epoxy resin and at least one transition metal compound selected from iron, copper, and manganese compounds, and at least when the first pack does not contain a peroxyester, a third pack comprising a peroxide.. .
|Stable emulsions and their use in the production of foams based on isocyanate|
The invention relates to stable emulsions for the production of foams based on isocyanate, at least comprising three polyols a1a, a1b and a1c as well as at least one physical blowing agent t, wherein a1a is a polyether polyol obtained by addition of epoxides to starter compounds selected from carbohydrates and di- or higher-functional alcohols, a1b is a polyether polyol started on an aromatic amine, and a1c is a polyester polyol obtained by esterification of a polycarboxylic acid component and a polyalcohol component, wherein the total amount of aromatic dicarboxylic acid derivatives used in the esterification, calculated on the basis of the free aromatic dicarboxylic acids and based on the total mass of polyalcohol component and polycarboxylic acid component, is less than or equal to 48.5% by mass.. .
|Toner and developer|
A toner including a non-crystalline polyester resin and a crystalline polyester resin, wherein a tetrahydrofuran soluble component of the non-crystalline polyester resin has a weight-average molecular weight of 3,000 to 8,000 measured by gel permeation chromatography, and wherein the toner has a glass transition temperature a before an extraction process of the toner with methanol and a glass transition temperature b after the extraction process of the toner with methanol, and a difference between a and b (b−a) is 2.0° c. Or less..
|Biophenols for polyester toner resins|
The present disclosure provides a polyester toner resin comprising a natural phenol used in manufacturing a toner for imaging devices.. .
|Polyester resins comprising gallic acid and derivatives thereof|
The present disclosure provides a polyester toner resin comprising gallic acid for use in manufacturing an emulsion aggregation (ea) toner for imaging devices.. .
A magnetic toner contains magnetic toner particles containing a binder resin, a release agent, and a magnetic body and inorganic fine particles present on the surface of the magnetic toner particles, wherein the inorganic fine particles present on the surface of the magnetic toner particles contain metal oxide fine particles, the metal oxide fine particles containing silica fine particles, and optionally containing titania fine particles and alumina fine particles, and a content of the silica fine particles being at least 85 mass % with respect to a total mass of the silica fine particles, the titania fine particles and the alumina fine particles, the coverage ratio of the magnetic toner particles' surface by the inorganic fine particles and the coverage ratio by the inorganic fine particles fixed to the magnetic toner particles' surface reside in a prescribed relationship, the binder resin contains a polyester resin, the release agent contains an ester compound, and an endothermic peak for the magnetic toner has a prescribed value.. .
According to the present invention, there is provide a coated film that can be prevented from suffering from deposition of oligomers from a polyester film as a base material, for example, when exposed to a high temperature condition, and is free from occurrence of disadvantages due to the oligomers upon storage, use or processing of the film, etc. The present invention relates to a coated film comprising a polyester film and a coating layer formed on at least one surface of the polyester film, the coating layer being formed from a coating solution comprising a polyvalent aldehyde-based compound (a) and at least one compound (b) selected from the group consisting of a quaternary ammonium group-containing polymer, polyvinyl alcohol and a crosslinking agent..
|Plastic film having a high voltage breakdown|
A stretched film includes a dispersion of at least one polyester and/or polycarbonate in a matrix of at least one polyester and/or polycarbonate different from the first polyester and/or polycarbonate, the percentage by weight of the dispersed polyester and/or polycarbonate in the dispersion being less than 50% and the dispersed polyester and/or polycarbonate being in the form of platelets. The stretched film can be used as a dielectric in a capacitor..
|Multi-layer bodies made of polycarbonate with a deep gloss effect|
The present invention relates to dark multilayer bodies made from polycarbonate, which are characterised by a glass-like deep-gloss effect on the surface. The invention also relates to a method for producing these multilayer bodies.
|Thermoplastic resin composition and molding form for same|
The thermoplastic resin composition of the present invention comprises: (a) a rubber-modified aromatic vinyl-based graft copolymer resin; (b) a polyester resin; (c) a maleimide-based polymer; (d) a copolymer resin of a modified aromatic vinyl compound-cyanide vinyl compound comprising a functional group which can react with a polyester; and (e) an aromatic vinyl-based resin copolymerized with an alkyl(meth)acrylate, wherein the aromatic vinyl-based resin copolymerized with the alkyl(meth)acrylate (e) is included in the composition at approximately 6 to 12 percent by weight.. .
|Polyester-carbamate polymer and coating compositions thereof|
A polyester-carbamate polymer and coating compositions containing the polymer are provided. The polyester-carbamate polymer preferably includes a polyester-carbamate backbone and one or more blocked isocyanate groups.
|Microfibrous product and the use thereof for the preparation of covers and cases|
The invention refers to a process for the preparation of a microfibrous non-woven fabric based on polyester or polyamide microfibres immersed in a polyurethane matrix, and having a thickness equal to or less than 0.65 mm, a flat or slightly mottled appearance and a nap length of less than 350 μm. The non-woven fabric is used for the preparation of coverings for consumer goods, particularly for the preparation of covers and cases for electronic products..
|Unidirectionally-oriented films comprising thermoplastic polyesters|
The invention relates to an unidirectionally-oriented film comprising a thermoplastic polyester and a polycarbonate. The unidirectionally-oriented film may further comprise an anti-blocking agent and/or a slip agent.
|Cleaning blade, process cartridge, electrophotographic apparatus, and polyester urethane rubber|
A cleaning blade includes a polyester urethane rubber. In an ir spectrum measured by μatr on the surface of a contact portion of the polyester urethane rubber at which the cleaning blade comes into contact with a member to be cleaned, a ratio (isi/ise) of an intensity (isi) of a c—n peak due to an isocyanurate group included in the polyester urethane rubber to an intensity (ise) of a c═o peak due to an ester group included in the polyester urethane rubber is 0.65 or more and 2.50 or less.
|Coating composition for packaging articles|
A coating composition is provided that includes a polymer, which is preferably a polyester polymer. The polyester polymer preferably includes one or more heterocyclic groups that preferably include at least one nitrogen atom and at least one carbonyl group.
|Insulative bottle shipping system|
The system for shipping bottles is provided; the system contains a plurality of corrugated members that interleave to form a plurality of bottle holding cavities. The system utilizes an insulative pad formed of a textile pad disposed within a polymer film sleeve.
|Microfiber cosmetic textile and methods of use|
A cloth for skin cleansing, particularly for removing makeup and eyelash adhesive, provides a double-sided plush microfiber cloth with a preferred fiber composition of 80% polyester and 20% polyamide monofilament composite. The preferred size is 20×20 cm, 280 gsm, with monofilament fineness of less than 0.1 dtex..
|Method for preparation of polyester/polyolefin hot-melt adhesive for use in a solar cell bus bar|
A method of preparing a polyester/polyolefin hot-melt adhesive for use in a solar cell bus bar is disclosed, in which 2,6-naphthalenedicarboxylic acid and ethylene glycol are first sequentially subjected in a predetermined ratio to esterification and polycondensation in the presence of a certain amount of a titanium-based catalyst to result in a polyethylene naphthalate (pnt) with a weight-average molecular weight of 16,000˜20,000. The pnt is then melt-blended with a low-density polyethylene (ldpe) in the presence of a compatibilizer to produce the hot-melt adhesive that can be shaped into films having a high light transmittance, good mechanical properties, high heat and yellowing resistance and thus particularly suitable for use in solar cell bus bars..
|Method and system for producing polyester|
Said volatile component's outlet of said esterification reactor is connected to the volatile component's inlet of said wet-type condenser, and said decompression apparatus is connected next to the non-condensed component's outlet of said wet-type condenser.. .
|Toughening cross-linked thermosets|
Grafted triglycerides comprising an acrylated triglyceride grafted with a fatty acid residue containing 4 to 28 carbon atoms. Also described are methods for making a grafted triglyceride and for curing a material selected from vinyl esters and unsaturated polyesters and mixtures thereof and optionally a reactive diluent.
|Aqueous polyacrylate copolymer dispersions with high oh group content|
The present invention relates to aqueous secondary copolymer dispersion comprising a copolymer (p) synthesized from a mixture of free-radically polymerizable monomers (m) comprising: (m1) cycloaliphatic esters of acrylic and/or methylacrylic acid; (m3) hydroxy-functional, free-radically polymerizable monomers; (m4) carboxyl-functional, free-radically polymerizable monomers and (m5) hydroxyl- and carboxyl-free (meth)acrylic esters having c1 to c12 hydrocarbon radicals in the alcohol moiety and/or vinylaromatics, wherein the mixture further comprises polyols (po) selected from the group of polyester polyols and/or polycarbonate polyols, the polyols having an average hydroxyl group functionality of at least 2. The invention also relates to a method for the production of such a dispersion, to the use of the dispersion as a coating and as a binder in 2k polyurethane coatings..
|Waterborne mid-coat paint composition|
Composition comprising a polyester resin (a) made waterborne by adding 7-20 mass %, based on resin solids content of (a), of (a) a c1-3 alkoxy group-containing glycol monoalkyl ether to a polyester resin of resin acid value 25-35 mgkoh/g and neutralizing with a secondary amine and/or tertiary amine; a melamine resin (b) comprising methylated melamine resin and methyl/butyl mixed alkylated melamine resin, the content ratio based on resin solids content by mass of the methylated melamine resin to the methyl/butyl mixed alkylated melamine resin from 50/50 to 90/10, and the content ratio based on resin solids content by mass of component (a) to component (b) is 70/30 to 90/10, and a polypropylene glycol (c) comprising a number average molecular weight between 400 and 1,200, and in a mass percentage between 1 and 10 mass % in terms of the combined resin solids contents by mass of component (a) and component (b).. .
|Biodegradable aliphatic-aromatic copolyesters, compositions thereof, methods of manufacture, and articles thereof|
Biodegradable compositions containing an aliphatic-aromatic copolyester derived from aromatic polyesters. Methods of making the compositions and articles made from the compositions..
|P-n-compounds as flame retardants|
The present invention relates to the use of aromatic p—n-compounds in flame retardant polymer compositions. These compositions are especially useful for the manufacture of flame retardant compositions based onthermoplastic polymers, especially polyolefin homo- and copolymers, polycondensates, such as polyamines or polyesters and duroplastic polymers, such as polyepoxides..