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5959064 |
Polyestercarbonates which exhibit improved processibility
The invention relates to a polyestercarbonate polymer which comprises repeating units of a mono-unsaturated aliphatic dicarboxylic acid having about 12 to about 20 carbon atoms. Preferred...
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5959067 |
Alkyd resins having a low dynamic viscosity for use in high-solids coatings
The current invention relates to an alkyd resin particularly useful in high-solids coating compositions. The alkyd resin comprises the reaction product of an unsaturated fatty acid, a polyol, and...
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5959066 |
Polyesters including isosorbide as a comonomer and methods for making same
An isotropic polyester polymer and method for making the polyester is prepared by (1) combining in a reactor a monomer containing a terephthaloyl moiety; optionally, one or more other monomers...
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5955564 |
1,5(8)-bis (substituted-N-propylamino)-4,8(5)-bis(arylthio)anthraquinone compounds
This invention relates to new blue anthraquinone colorants having Formula I ##STR1## wherein R and R1 are the same or different and are selected from hydrogen and unsubstituted or substituted C1-C6...
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5955550 |
Polymeric vehicle for providing solventless coating compositions
This invention relates to a polymeric vehicle which reduces or eliminates VOCs in coating compositions by providing a formulated coating composition which does not require an organic solvent for...
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5955529 |
Biodegradable material and process for the preparation thereof
The present invention provides a biodegradable material having excellent organic compatibility, moldability, mechanical properties, biodegradability and storage stability which can be used as bone...
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5955565 |
Polyesters from terephthalic acid, 2,2,4,4-tetramethyl-1,3-cyclobutanediol and ethylene glycol
The invention relates to a copolyester containing (a) a dicarboxylic acid component having from about 80 to 100 mole % terephthalic acid or the ester thereof; less than or equal to 20 mole % of an...
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5952437 |
Polyurethane
The present invention relates to a polyurethane having excellent hydrolysis resistance, weatherability, alkali resistance, etc. Said polyurethane is useful as a material for extrusion molding...
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5948878 |
Cationic polymers for nucleic acid transfection and bioactive agent delivery
A class of polycationic polymers comprising products obtained by the copolymerization of a diprimary amine and a suitable comonomer, wherein the diprimary amine contains at least two primary amines...
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5948877 |
Internal gel coat styrene suppression low profile additive for unsaturated polyester resin systems
Additives have been developed that reduce the emission of volatile monomers, e.g. styrene in unsaturated polyester resin system as well as producing a hard, weather resistant gel coat at the...
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5945483 |
High solids content resin composition, high solids content type paint, and painting process using the same
There are disclosed a high solids content resin composition excellent in solubility in an organic solvent, comprising an acrylic oligomer having a blocked hydroxyl group, a curing agent having a...
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5945460 |
Process for continuously producing polyester articles with scrap recycle in a continuous melt-to-preform process
A process for producing polyester articles, which generates little or no polyester waste. The process provides esterification or transesterification of one or more dicarboxylic acids or their...
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5939519 |
Polyesteramides of high crystallinity and reagents for their preparation
The crystallinity of poly(1,4-cyclohexanedimethyl 1,4-cyclohexanedicarboxylate) is enhanced by the incorporation of amide units, preferably derived from such compounds as...
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5939138 |
Treatment for reducing friction of seat belts
A treatment for reducing friction of seat belts which is characterized by containing therein a polyether polyester having an average molecular weight of 2000-15000 which is obtained from a...
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5939516 |
Modified polyester polymers
Modified polyethylene terephthalate polymers, particularly suitable for making carbonated drinks or mineral water bottles by injection (stretch) blow moulding, include a small proportion (from...
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5936058 |
Impact modified thermoplastic polymer blends
This invention relates to a composition comprising: a) 2 to 50 weight % of an first ethylene alpha-olefin copolymer having a density of 0.86 to 0.91 g/cc, a Melt Index of 150 g/10 min or less...
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5932685 |
Heat-shrinkable polyester films
Heat-shrinkable polyester films having a heat shrinkability of 30% or more, preferably 40% or more, in the direction of major shrinkage after treatment in hot water at 80° C. for 30 seconds, the...
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5919403 |
Polymeric fluorescence quenching compounds and their use
This invention relates to homopolyester compositions having fluorescence quenchers polymerized therein ("poly quenchers"). Specifically the "poly quencher" polymeric compositions comprises...
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5916677 |
Process for producing polyester fiber having improved dyeability, elongation and strength, and polyester fiber therefrom
This invention relates to a process for producing polyester fibers with enhanced dyeability, lesser elongation and greater strength, which comprises combining 2-methyl-1,3-propanediol into a...
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5916996 |
Polyester-imide toner and developer compositions
A process for the preparation of polyester-imide resin of the formula ##STR1## wherein n represents the number of segments present and is a number of from about 10 to about 10,000; R' is alkyl or...
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5917000 |
Manufacturing process of polyether-ester amide elastomer and elastic fiber
A manufacturing process of continuously producing a polyether-ester amide elastomer, which is adapted for mass production and reducing manufacturing cost, includes the steps of melting a poly...
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5914374 |
Additive for aqueous coating systems
A urethanized polyester is claimed which is suitable as an additive for aqueous coating systems, which is obtainable by, in a first reaction stage (A), subjecting (a) from 10 to 45 mol-% of one...
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5914386 |
Copolyester elastomer
The invention relates to a novel copolyester elastomer essentially made up of A: hard polyester segments made up of repeating units derived from an aliphatic diol and an aromatic dicarboxylic acid...
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5910563 |
Water thinned polymeric vehicle for coating compositions with low amounts of volatile organic compounds
This invention provides a polymeric vehicle and formulated coating composition which are high in solids and use water to effect viscosities to permit application of such polymeric vehicles and...
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5905134 |
Process for the preparation of polyanhydrides
Polymers can be prepared in solution by continuously distilling solvent from a solution of diacid prepolymers.
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5900473 |
Radiation curable pressure sensitive adhesives
The present invention discloses radiation curable pressure-sensitive adhesives comprising the reaction product of a blend of at least two hydroxy polyesters having different Tgs, and at least one...
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5900474 |
Catalyst composition for production of polybutylene terephthalate via direct esterification process
The invention relates to a process of producing polybutylene terephthalate by direct esterification and then melt polycondensation, characterized in that a specific catalyst composition is used,...
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5898059 |
Production of polyethylene terephthalate
Disclosed is a process for the production of polyethylene terephthalate (PET), comprising the steps of (i) reacting di(C 1 -C 4 )alkyl terephthalate with ethylene glycol to yield...
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5895718 |
Thermoplastic resin compositions and temperature-dependent shape-transformable/fixable products making use of the same
A thermoplastic resin composition comprising a thermoplastic resin (A) and a thermoplastic polymer (B) having a glass transition temperature within the range of from -20° C. to 70° C. which are...
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5895807 |
Process for manufacturing polyester copolymers
A process for making a random polyalkylene terephthalate/naphthalate copolymer by synthesizing a bis-(hydroxyalkyl)-naphthalate composition under transesterification conditions, and subsequently...
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5895804 |
Thermosetting polysaccharides
Polysaccharide based thermosetting systems and compositions which utilize such thermosets are disclosed. The composition comprises a polysaccharide having a weight average molecule weight of at...
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5894048 |
Synthetic laminate structure and method for making same
This invention relates to a synthetic laminate structure and a method for making the synthetic laminate structure. More particularly, the synthetic laminate structure contains an outer layer...
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5891982 |
Continuous process for preparing polyester copolymer resin
The present invention relates to a process for preparing a dispersion of high grade polyester copolymer resin in water comprising 1) combining a crude polyester copolymer resin, having particles of...
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5889126 |
Amorphous and/or semicrystalline copolyesters containing β-hydroxyalkylamide groups, method for their manufacture, and utilisation of the esters
The invention relates to Amorphous and/or semicrystalline copolyesters containing β-hydroxyalkylamide groups according to formula (I) ##STR1## whereinP=polymer chain of the polyester R1=alkyl...
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5886133 |
Production of particular polyesters using a novel catalyst system
This invention relates to a process of producing a moldable polyethylene terephthalate or modified polyethylene terephthalate having an inherent viscosity greater than 0.6 dL/g comprising reacting...
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5883146 |
Dimensionally stable closed cell rigid polyisocyanate based foam prepared from a froth foaming mixture
There is now provided a closed cell rigid polyisocyanate based foam blown with a C 1 -C 4 hydrofluorocarbon and formic acid as blowing agents, which possesses a uniform density gradient varying...
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5880225 |
Process for making polyetherester resins having high aromatic diester
A process for making polyetherester resins is disclosed. A glycol ester of an aromatic diacid such as terephthalic acid is reacted with a polyether and a source of a dicarboxylic acid such as...
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5880252 |
Pyrrolidonyl-containing polyesters and polyamides
Pyrrolidonyl-containing polyesters and polyamides I to III ##STR1## where R, X, A and Z are defined herein, are suitable as film formers and conditioners in hair-cosmetic formulations, for...
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5880224 |
Aliphatic polyester carbonate and process for producing the aliphatic polyester carbonate
A process for producing an aliphatic polyester carbonate which comprises reacting (1) an aliphatic dicarboxylic acid compound containing succinic acid as a main component, (2) an aliphatic...
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5877262 |
Polyester resin and process for the production thereof
A polyester resin decreased in the amount of an organic gas generated therefrom during molding thereof and during use thereof at high temperatures, having a substantially linear structure mainly...
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5877269 |
Organic ester plasticizers
An organic ester suitable as a plasticizer is made from a glycol, a dicarboxylic acid, and an alcohol. The compound can be prepared in the presence of an organic solvent either by a one step route...
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5874517 |
Method to reduce regenerated acetaldehyde in pet resin
There is disclosed a process for reducing the amount of acetaldehyde generated when polyethylene terephthalate (PET) chip is subjected to high temperatures in order to render the PET chip suitable...
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5874518 |
Epoxy-modified polyamide resin
An epoxy-modified polyamide resin obtained by reacting a diisocyanate(A) with at least one member selected from the group consisting of a dicarboxylic acid and a tricarboxylic acid anhydride (B) in...
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5869594 |
Copolyether ester hot-melt masses
The invention relates to novel hot-melt masses consisting of a statistically built-up copolyether ester based on terephthalic acid and a mixture of aliphatic diols. Terephthalic acid is used as the...
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5869567 |
Polyester resin aqueous dispersion and process for preparing the same
A polyester resin aqueous dispersion which provides a coating film having excellent processability, water resistance, corrosion resistance, chemical resistance, weather resistance and adhesion to...
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5866672 |
Flame retardant polyethylene terephthalate resin composition
There are disclosed a flame retardant polyethylene terephthalate resin composition comprising (A) a polyethylene terephthalate resin containing ethylene terephthalate units as a main constituent,...
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5858529 |
Polyester staple fibers of filaments with high resistance to pilling
Polyester staple fibers with high resistance to pilling contain (1) a polyester component consisting of at least 90 mol % polyethylene terephthalate, after its polycondensation, and (2) 1 to 7% by...
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5859173 |
Process for the production of flame-resistant polyesters
The present invention comprises a process for the production of flame-resistant polyesters with at least 50 mol-% ethylene carboxylate units through esterification or ester interchange and...
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5856424 |
Process for making polyesters containing low concentrations of diethylene glycol
The present invention relates to a process for producing a high molecular weight polyester having less than about 0.5 weight % diethylene glycol comprising adding at least one carbonate compound to...
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5854376 |
Aliphatic ester-amide copolymer resins
A composition of an aliphatic ester-amide copolymer which is soluble in an organic solvent with an LD 50 value (orally administered to a rat) of about 2,000 mg/kg or more.
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