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8173254 |
Polyester fiber, woven knit fabric, car seat and process for producing polyester fiber
This invention is polyester fibers with an initial tensile resistivity of 15 to 38 cN/dtex, a elastic recovery rate of 70% or more after 20% elongation, and a self-shrinkage percentage of 0.3% to...
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8173753 |
Method for producing aliphatic polyester resin, and an aliphatic polyester resin composition
A method for producing an aliphatic polyester resin including a melt polymerization step and a subsequent solid phase polymerization step, using a sulfonic acid group-containing compound as a...
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8158730 |
Polyamide resin
To provide a polyamide resin excellent in lasting thermal stability and having a high biomass ratio. A polyamide resin comprising adipic acid units, pentamethylenediamine units and 6-aminocaproic...
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8138301 |
Convenient synthesis of 1→3 C-branched dendrons
In accordance with the present invention, there is provided a method of preparing higher generation 1→3 C-branched polyamide dendrons. The combination of commercially available acryloyl chloride w...
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8137687 |
4-aza-caprolactone-based polymeric compositions useful for the manufacture of biodegradable medical devices and as medical device coatings
N-substituted 4-aza-caprolactone biodegradable polymers, including derivatives thereof, useful for making implantable medical devices and coatings therefore are provided. The medical devices and...
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8124686 |
Process for the manufacture of polyamide-12 powder with a high melting point
The present invention relates to a process for the preparation of polyamide-12 powder by anionic polymerization of lauryllactam in solution in a solvent of the lactam, the polyamide-12 powder being...
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8110650 |
Methods for making molding resins
Methods of making unsaturated polyester compositions are provided and include reacting: (i) plant and animal oil triglycerides, an alkyl ester of a saturated or unsaturated fatty acid or mixtures...
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8101668 |
Graft polymer
This invention provides a novel graft polymer that has excellent proton conductivity, is capable of regulating hydrogen permeability, methanol permeability, and the like, and can serve as a...
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8097274 |
Skin substitutes, preparation methods and uses thereof
Provided herein are skin substitutes suitable for use in a living subject for purpose of repairing damaged tissues, methods of producing the skin substitutes and their uses. A biocomposite membrane...
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8071691 |
Furanone endcapped polymers
Polymers endcapped with furanones and compositions containing such polymers are suitable for use in making textiles, medical devices, delivery agents, packaging materials, coatings for such items,...
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8071692 |
Multi-arm block copolymers as drug delivery vehicles
The invention provides methods for making copolymers and multi-arm block copolymers useful as drug delivery vehicles. The multi-arm block copolymers comprise a central core molecule, such as a...
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8048959 |
Ethylene alkyl acrylate toughened poly(hydroxyalkanoic acid) compositions
Disclosed are poly(hydroxyalkanoic acid) compositions comprising a poly(hydroxyalkanoic acid) polymer, such as poly(lactic acid), and an impact modifier comprising a copolymer of ethylene and one...
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8044134 |
Polylactic acid resin composition
The present invention relates to a polylactic acid resin composition. The composition includes about 25 to about 80 parts by weight of a polylactic acid resin, (B) about 20 to about 75 parts by...
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8025970 |
Fishing line and method for production thereof
A fishing line is produced by forming a monofilament by subjecting a resin composition (C) containing 90 to 99.3% by weight of a polyamide resin (A) and 0.7 to 10% by weight of a silicone compound...
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8022166 |
Polycarbonate compositions
Polycarbonate compositions are disclosed. The compositions comprise a polycarbonate polymer (A) having repeating units derived from 2-phenyl-3,3-bis(4-hydroxyphenyl)phthalimidine (PPPBP); a...
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7999040 |
Method of making graft copolymers from sodium poly(aspartate) and the resulting graft copolymer
A variety of graft copolymers can be formed sodium poly(aspartate) with a wide variety of monomers in an aqueous medium by the use of grafting method in the presence of radical initiator at a...
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7999061 |
Catalytic lactide and glycolide (co)polymerization system
A catalytic lactide and glycolide copolymerization system comprising a trifluoromethane sulfonate as a catalyst and copolymerization additive and a copolymerization process.
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7989556 |
Modifier for polyester resin and process for producing molded article with the same
An object of the present invention is to provide a modifier which improves moldability in melt molding, particularly, injection molding, extrusion molding, profile molding, direct blow molding, or...
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7985826 |
Molding resins using renewable resource component
Unsaturated polyester compositions are disclosed that are obtainable by reacting: (i) plant and animal oil triglycerides, an alkyl ester of a saturated or unsaturated fatty acid or mixtures...
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7981974 |
Method of making a high molecular weight, monoesterified polyimide polymer
The present disclosure relates to a high molecular weight, monoesterified polyimide polymer. One method as described herein relates to making the high molecular weight, monoesterified polyimide...
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7977452 |
Janus dendrimers and dendrons
This invention provides a cost effective process and new Janus dendrimers where at least two dendrons are attached at the core (with or without a connector group) and where at least two of the...
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7977397 |
Polymer blends of biodegradable or bio-based and synthetic polymers and foams thereof
The present invention relates to compositions comprising blends of alkenyl aromatic polymers such as styrenic polymers (i.e. PS and HIPS) and bio-based or biodegradable polymers (i.e. PLA, PGA,...
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7968647 |
Environmentally friendly natural oil-based toner resin
A method of synthesizing polyester toner resins comprises: polycondensing polycarboxylic acids, polyols and free fatty acids to form low molecular weight polyester resins with alkenyl group or...
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7964673 |
Proton-conducting polymer
A proton-conducting polymer comprises a main chain and a plurality of branched side chains extending radially therefrom. The branched side chains are each bonded to a proton-conducting salt at the...
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7947754 |
Foam
The present invention provides a foam comprising (a) a polylactic acid resin, (b) at least one thermoplastic resin selected from a polyolefin resin and a polystyrene resin, and (c) a block...
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7939603 |
Polylactide composites and methods of producing the same
Embodiments of polylactide composites comprise a polylactide, and a polymerized natural oil dispersed inside the polylactide.
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7935779 |
Synthesis of polyimides (PI) from poly-carbodiimides and dianhydrides by sequential self-repetitive reaction (SSRR)
Disclosed are processes for synthesizing polyimides by a sequential self-repetitive reaction between poly (aryl carbodiimide) (p-CDI) or aryl diisocyanates with dianhydrides.
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RE42299 |
Polymer comprising terminal sulfonic acid group, and polymer electrolyte and fuel cell using the same
The present invention is related to a polymer comprising terminal sulfonic acid groups, which has a high ionic conductivity and good structural stability, does not decompose even under low humidity...
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7919566 |
Lactic acid polymers
A blend of a multiply branched lactic acid polymer of one steric configuration with a linear lactic acid polymer of the opposite steric configuration has different and more useful properties than...
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7919540 |
Rigid, low density foam
A foam comprising the reaction product of one or more multifunctional acrylates with one or more multifunctional aceto- or cyano-acetate compounds in the presence of a base and a blowing agent.
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7910657 |
Process for the manufacture of polybutylene terephthalate copolymers from polyethylene terephthalate, and compositions and articles thereof
A process comprises depolymerizing, with 1,4-butane diol, a first polymer comprising a polyethylene terephthalate component in the presence of at least one second polymer selected from the group...
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7902302 |
Hydroxy-functional polyester-polyurethane dispersions, methods of preparing the same, compositions containing such dispersions and uses therefor
Hydroxy-functional polyester-polyurethane dispersions comprising a reaction product of: (a) at least one, at least difunctional polyol component; (b) at least one ionizable compound having at least...
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7897676 |
Two component coating compositions and coatings produced therefrom
The present invention is directed to two component coating compositions that cure under ambient conditions and more particularly to those having low VOC (volatile organic content) that are suitable...
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7879953 |
Biobeneficial polyamide/polyethylene glycol polymers for use with drug eluting stents
This disclosure provides a medical device and a method of forming the medical device. The medical device comprises a coating comprising a type-one polymer and a type-two polymer. The type-one...
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7875677 |
Micellar drug delivery systems for hydrophobic drugs
This invention provides compositions comprising a hydrophobic drug, a biocompatible micelle forming polymer, and a biocompatible low molecular weight, water-soluble polymer. Also provided are...
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7872056 |
Polymer blends of biodegradable or bio-based and synthetic polymers and foams thereof
The present invention relates to compositions comprising blends of alkenyl aromatic polymers such as styrenic polymers (i.e. PS and HIPS) and bio-based or biodegradable polymers (i.e. PLA, PGA,...
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7858678 |
Phosphonium flow enhancers for blends of polycarbonate and polyester
A thermoplastic polymer blend is disclosed comprising a polyester, a polycarbonate, and a minor amount of a flow enhancer selected from non-sulfonated phosphonium salts. Optionally, impact...
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7858692 |
Two component coating compositions and coatings produced therefrom
The present invention is directed to two component coating compositions that cure under ambient conditions and more particularly to those having low VOC (volatile organic content) that are suitable...
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7846630 |
Binder resin for toner, toner, and method of manufacturing binder resin for toner
A binder resin for toner includes a hybrid resin of a crystalline resin (X) and an amorphous resin (Y), having a peak molecular weight of 30,000 or larger, and an amorphous resin (Z) having a peak...
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7820768 |
Process for the preparation of storage-stable polyamidoimide resins and coating materials which contain them
Process for the preparation of polyamidoimide resins, in which the centers of the polyamidoimide resins which are reactive toward moisture are reacted with one or more compounds of the following...
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7816461 |
Block copolymers of polycarpolactone and poly (propylene funarate)
Poly(propylene fumarate) is copolymerized with poly(caprolactone) diol to produce a block copolymer of poly(propylene fumarate) and poly(caprolactone). The biocompatible and bioresorbable block...
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7812097 |
Binder comprising a crosslinked polyanhydride grafted with a lower molecular weight anhydride
An improved curable formaldehyde-free binding composition is provided. Such curable composition comprises the reaction product of a polyanhydride and a polyol crosslinker and a lower molecular...
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7795358 |
Poly(lactic acid) stereocomplex
Poly(lactic acid) blends having a relatively high heat distortion temperature can be prepared by simple blending of PLA polymers of opposite stereoforms, followed by processing, e.g. by injection...
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7795347 |
Multi-branched polymer, process for producing the same, and applications thereof
A group of polymers comprising a plurality of polyolefin chains and polar polymer chains and having a multi-branched structure such as a block structure, a graft structure and a star-shaped...
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7786215 |
Thermoplastic polymer, use thereof in polyamide compositions with improved hydrophily and anti-staticity
The invention provides a novel thermoplastic polymer comprising at least one polyalkylene oxide block. It relates to a process for preparing the thermoplastic polymer and to an application of this...
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7786221 |
Multi-armed, monofunctional, and hydrolytically stable derivatives of poly (ethylene glycol) and related polymers for modification of surfaces and molecules
Multi-armed, monofunctional, and hydrolytically stable polymers are described having the structure wherein Z is a moiety that can be activated for attachment to biologically active molecules such...
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7781147 |
Imide-urethane resin, photosensitive resin composition including the same and cured product
[PROBLEMS] To provide a photosensitive resin composition which has excellent photosensitivity and gives a cured product reduced in warpage and excellent in flexing properties, adhesion, pencil...
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7754825 |
Light stabilized copolyetherester compositions
Ultraviolet light stabilized copolyetherester compositions that comprise at least one nanoparticulate mineral selected from titanium dioxide, cerium oxide, and zinc oxide and at least one organic...
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7750113 |
Supramolecular polymers
The invention relates to a supramolecular polymer containing units which are linked by hydrogen bonds, said units being monomers of prepolymers comprising at least one functional group selected...
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7728068 |
Coating compositions containing reactive diluents and methods
The present invention provides coating compositions that include reactive diluents and have high performance, low VOC levels, and low irritation levels.
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