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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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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:...
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...
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...
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...
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##...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...