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4151335 |
Unsaturated polyester resin capable of entrapping an inert gas to form a structural foam
Unsaturated polyester resins having an acidity number of 5-90 mg. KOH/g. a molecular weight of 500-5000 and which are capable of entrapping air or other inert gases so as to form structural foams...
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4150674 |
Three-component blends of a polyamide, and a polyester and a lactam terpolymer
The production of compatible polymeric compositions, fibers and nonwoven webs from three-component blends of a polyamide, a polyester, and a terpolymer of lactam-polyolpolyacyl lactam or...
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4148960 |
Polyester having improved antistatic properties
Melt blended shaped objects, fibers and fabrics of polyesters with lactam-polyol-polyacyl lactam or -acyl polylactam terpolymers have desirable anti-static properties with the improvement resulting...
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4145372 |
Process for preparing moldable polyamide polyester compositions
A polyester/nylon co-condensate which may be made from the two polymers in an extruder. The co-condensate comprises from 50 to 99% by weight of polyamide having a softening point of from 210° C....
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4144284 |
Shaped articles of synthetic polymers
A shaped article is disclosed consisting essentially of a matrix of thermoplastic polymer in which there is dispersed, in the form of particles of mean diameter less than 200μ, a polyimide resin...
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4141927 |
Novel polyetherimide-polyester blends
This invention is concerned with a new class of polyetherimide-polyester blends. More particularly, the invention is concerned with polyetherimide-polyester blends which exhibit melt viscosities...
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4135009 |
Benzoic acid terminated oligoesters as melt flow modifiers of thermoplastic coatings and powders
The application discloses a mixture of high molecular weight hard resins, such as polymethyl methacrylate, cellulose acetate butyrate and cellulose nitrate with low molecular weight benzoic acid...
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4133802 |
Meta-xylylene diamine/aliphatic dicarboxylic acid polyamide film
A drawn film of polyamide having an oxygen permeability coefficient of not more than 5 × 10 -13 ml.cm/cm 2 .sec.cmHg, a breaking strength of not less than 14 kg/mm 2 , a breaking elongation of 30...
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4130469 |
Aqueous coating composition from a mercaptan containing polymer and a bis-maleimide
A curable coating composition contains a polymer having pendant mercaptan groups and a bis-maleimide cross-linking agent. The mercaptan groups of the polymer cross-link with the bis-maleimide upon...
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4125514 |
Manufacture of moulding materials
A thermoplastic moulding material composed of a polymer selected from polypropylene, polyethylene, polystyrene, styrene/acrylonitrile copolymers, polyesters polyamides, ABS copolymers and acetal...
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4119607 |
Multicomponent polyester- block copolymer- polymer blends
A multicomponent polymer blend composition is prepared by intimately mixing a thermoplastic polyester, a selectively hydrogenated monoalkenyl arene-diene block copolymer, and at least one...
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4119679 |
Powder coating composition
A powder coating composition which comprises a mixture of in a given proportion (A) a polyester resin which contains hydroxyl groups as functional group and contains at least 80 mol.% of an...
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4117032 |
Wire coating powder
A wire coating powder is prepared by first formulating a solventless, aromatic polyester-amide-imide which is the reaction product of an aromatic diamine, an aromatic compound consisting of...
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4115475 |
Method to prepare copolyesteramides for moulding
A process for synthesizing sequence copolyesteramides with the general formula OH [CO--A--COO--B--O] n H where A is a linear aliphatic polyamide sequence and B is a linear aliphatic...
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4115231 |
Crosslinkable mixtures of oligomers or polymers and diamines
Crosslinkable mixtures of oligomers or polymers, containing terminal imidyl groups, and diamines are described, for example mixtures of a polyamide oligomer or polyamide-acid oligomer, or terminal...
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4113683 |
Production of high temperature resistant polymer compositions capable of forming superior fiber reinforced composite articles
Reinforced high temperature molding compositions are provided by a two step precipitation process wherein a polymer matrix comprising either (a) a nitrogenous intractable high temperature resistant...
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4111892 |
Reinforced fire retardant resin composition improved in electrical characteristics
A reinforced fire retardant resin composition of improved electrical characteristics, which comprises: A base resin of polytetramethylene terephthalate alone or in admixture with at least one...
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4097446 |
Reinforced intercrystalline thermoplastic polyester compositions
Intercrystalline normally rigid thermoplastic compositions comprising a combination of (a) very rapidly crystallizable polyester, (b) a crystalline or amorphous polymer and (c) a reinforcing filler...
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4097421 |
Foamable structural thermoplastic polyester resins
This invention relates to foamable, thermoplastic polyester molding compositions, to molded products suitable for structural applications and to a process for their manufacture. The resin...
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4097445 |
Poly(ester-amide) hot melt adhesives containing spheroidal metal powders
Poly(ester-amide) adhesive compositions comprising a finely divided spheroidal metal. The poly(ester-amide) comprises crystalline polyester and amorphous polyamide segments formed by reaction of a...
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4083894 |
Polyamide prepared in the presence of sulfopolyester
A process for preparing polyamides which comprises polymerizing a polyamide-forming compound selected from the group consisting of ω-aminocarboxylic acids, ω-lactams and an equimolar mixture of a...
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4081428 |
Preparation of polymers
A process for the preparation of a high molecular weight, linear polyesteramide comprising the capping of a linear, hydroxyl-ended polyester by reaction with a diaryl ester of a dicarboxylic acid...
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4081422 |
Thermoplastic molding compositions from terephthalic acid-butane-1,4-diol-but-2-ene-1,4-diol polyesters
A polyester which is manufactured by polycondensing terephthalic acid, or its lower alkyl esters, with butane-1,4-diol and at least 5 mole % of but-2-ene-1,4-diol, based on the amount of diol...
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4069277 |
Dyeable polyamides containing an antistatic agent
In polyamide compositions containing the reaction product of (1) a block copolymer of propylene oxide, ethylene oxide and an alkylene diamine and (2) a dicarboxylic acid ester in an amount...
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4066587 |
Thermoplastic polyester compositions containing polyamide additives
The flow characteristics and rheological properties of thermoplastic polyesters and copolyesters are significantly improved by the addition of a polyamide resin thereto. In addition to improving...
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4064086 |
Thermoplastic hydrogels
Thermoplastic hydrogels are prepared by making condensation polymers of spirolactones of the formula: ##STR1## with a difunctional compound capable of opening the lactone rings. The thermoplastic...
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4059653 |
Antistatic dyeable polyamide composition
In polyamide compositions containing the reaction product of (1) a block copolymer of propylene oxide, ethylene oxide, and an alkylene diamine and (2) a dicarboxylic acid ester in an amount...
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4052481 |
Resin composition and a process for preparing same
A resin composition comprising (A) an aromatic copolyester comprising the reaction product in about equimolar amounts of (1) terephthalic acid and/or the functional derivatives thereof, isophthalic...
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4052471 |
Process for chlorinating C.sub.8 to C.sub.30 linear hydrocarbons
An improved process for chlorinating substantially linear, liquid C 8 to C 30 hydrocarbons by intimately mixing the hydrocarbons and water in a weight ratio of 0.09:1 to 10:1, feeding the mixture...
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4051196 |
Antistatic fiber containing chain-extended tetrols based on diamines
It has been suggested that antistatic properties of fibers of polyamide could be improved by uniformly dispersing in the polyamide between about 1 percent and about 12 percent by weight of a...
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4049376 |
Dyed copolyesters and method of making
New dyed copolyesters and their preparation are disclosed. The copolyesters are characterized in that their macromolecular chains include dye moieties chosen from among those of the formulae:...
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4034015 |
Ester terminated terpolymers
Lactam-polyol-polyacyl lactam or lactam-polyol-acyl polylactam terpolymers having up to 100% ester end group termination, and both ester linkages and amide linkages between the monomeric segments...
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4024205 |
Synthetic polymer composition having enhanced antistatic properties
Permanent antistatic properties are imparted to synthetic polymers by incorporating therewith from 1% to 15% by weight of the polymer of a polyoxyalkylated polyol polyester containing ionic groups...
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4024204 |
Antistatic polybutylene terephthalate molding compositions containing alkoxylated polyamide
Polybutylene terephthalate molding compositions containing from 0.5 to 20% by weight, based on the polyester, of an alkoxylated polyamide finely distributed therein to reduce the tendency of the...
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4018742 |
Imide-ring containing polyester and wire enamel containing same
A polyester having imide rings in the molecule comprising the reaction product of (1) a polyhydric alcohol component comprising an imide ring containing diol represented by the formula (I) ##STR1##...
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4018850 |
Block polymer, synthetic leather prepared therefrom and a method for preparing the same
A polyglutamic ester having hydrogen containing groups which are reactive with an --NCO group and a hydroxyl polyester or a hydroxyl polyether are reacted with an organic diisocyanate and the...
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4014957 |
Thermoplastic polyamide moulding compositions
The present invention relates to thermoplastic moulding compositions of (A) 99.5 to 80% by weight, of at least one amorphous linear polyamide and (B) 0.5 to 20% by weight of at least one segmented...
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4008199 |
Heat stabilized polyalkylene terephthalate resin composition
The long term heat stabilized polyalkylene terephthalate resin composition comprises a polyalkylene terephthalate resin selected from the group consisting of polypropylene terephthalate and...
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4004063 |
Aqueous enamel for coating magnet wire
A magnet wire enamel composition for application to magnet wire in a wire tower comprises an aqueous solution of: A. a water soluble polyester resin derived as the reaction product of: 18 to 47...
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3997626 |
Antistatic polyamide compositions
The invention relates to polyamide compositions of high-molecular weight, linear aliphatic polyamides with reduced surface resistance which are produced by solvent-free condensation of salts of...
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3993709 |
Polyester initiated anionic catalyzed polymerization of lactam
A process for preparing lactam-polyol-polyacyl lactam or acyl polylactam terpolymers having ester end group termination and both ester linkages and amide linkages between the monomeric segments....
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3979481 |
Stabilization of acetal polymers
A stabilized polymeric composition comprising an acetal polymer and as stabilizer a copolymer R--D--A--B--D--R, in which: A is a block of recurring units: ##EQU1## B is a block of recurring...
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3959200 |
Copolyester composition
Disclosed herein is a linear, essentially non-crystalline copolyester composition comprising in polymerized form polymethylene glycol units of 2 to 6 carbon atoms, aliphatic dicarboxylic acid units...
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3953649 |
Self-bonding magnet wire and process of manufacturing same
A self-bonding magnet wire comprising a conductor with a coating thereon, said coating comprising 65 to 95 parts by weight of a copolyamide containing 10 to 50 weight percent ω-laurolactam, 35 to...
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3937755 |
Polyesters having improved disperse dyeability
Polyethylene terephthalate block copolyesters having ethylene terephthalate blocks and hydantoin polymer blocks for improved disperse dyeability and improved antistatic properties. The copolyesters...
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3937753 |
Acid dyeable polyesters
The invention relates to polyester resin modified with hydantoin diacid or hydantoin diol and cyclohexyl diethanolamine. The copolyesters are dyeable with acid type dyes to form brightly colored...
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3936404 |
Aqueous baking varnishes from carboxylic polyester and carboxylic polyimide, and coated article
Aqueous baking varnishes having a low viscosity and a high concentration suitable for coating conductors which comprise A. a carboxyl group containing polyester resin having an acid number of...
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3932319 |
Blends of biodegradable thermoplastic dialkanoyl polymer, a naturally occurring biodegradable product, a plastic additive and a filler
Novel blends comprising biodegradable thermoplastic dialkanoyl polymer, e.g., poly(alkylene adipate), and additional material such as naturally occurring biodegradable product, e.g., tree bark; and...
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3932326 |
Soft thermoplastic segmented copolyesters as pressure sensitive adhesives
Soft thermoplastic segmented copolyester elastomers consisting essentially of a multiplicity of recurring short chain ester units and long chain ester units joined through ester linkages, said...
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3929687 |
Mullticellular polymers made from the reaction product of maleic anhydride with a polyimine
Multicellular materials which are lightweight, heat-resistant and flame-proof are produced by a process which comprises curing a liquid polymer in the presence of a reaction product of maleic...
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