Abstract: Compositions containing at least about 30% of a poly(alkylene terephthalate), at least about 3% of a polylactone, about 0.05% to about 10% of a carbodiimide and at least about 0.05% to about 10% of an aliphatic phosphite, all percentages being by weight based on the weight of the composition, has excellent thermal stability. The compositions are useful for wire insulation and cable jacketing. Heat recoverable articles, such as tubing and molded parts can be prepared from the compositions.

Abstract: The present invention relates to a polycarbonate resin composition comprising:100 parts by weight of a polycarbonate resin;(A) 0.05 to 1 part by weight of long chain aliphatic alcohol represented by the general formula: C.sub.n H.sub.2n+1 OH wherein n is 25 or more; and(B) 0 to 0.001 part by weight as phosphorus atom of at least one phosphorus compound selected from the group consisting of phosphorous acid and phosphorous acid estersThe composition of the present invention is excellent in heat resistance and hydrolytic resistance, and further has good mold releasing properties.

Abstract: The present invention relates to an aromatic polycarbonate composition which is stabilized by adding to an aromatic polycarbonate (containing substantially no chlorine atom) a very slight amount of at least one compound selected from a phosphorous acid diester and a phosphorous acid monoester and at least one compound selected from a phenolic antioxidant, a phosphorous acid triester and an organic phosphonite. This composition has the characteristics that molded products made therefrom are superior in hot-water resistance and steam resistance and recycling molding thereof causes substantially no coloration. Thus, this composition is high in industrial applicability.

Abstract: Self-extinguishing polymeric compositions containing: a) from 90 to 40 parts by weight of a thermoplastic polymer, or a polymer having elastomeric properties and b) 10 to 60 parts by weight of one or more 2,4,6-triamino-1,3,5-triazine compounds salified with an oxygenated acid of phosphorus, wherein at least one of the triamino substituents of the triazine compound are substituted with at least one of the following radicals ##STR1## wherein m=an integer between 2 and 8;p=an integer between 2 and 6;R.sub.8 =H; C.sub.1 -C.sub.8 alkyl; C.sub.2 -C.sub.6 alkenyl; C.sub.q H.sub.2q OR.sub.9 wherein q is an integer between 1 and 4 and R.sub.9 is hydrogen or C.sub.1 -C.sub.4 alkyl; C.sub.6 -C.sub.12 cycloalkyl or alkylcycloalkyl;R' is H; C.sub.1 -C.sub.8 alkyl; C.sub.2 -C.sub.6 alkenyl; C.sub.6 -C.sub.12 cycloalkyl or alkylcycloalkyl; C.sub.1 -C.sub.4 hydroxyalkyl, or ##STR2## is replaced by a heterocyclic radical bound to the alkyl chain through the nitrogen atom.

Abstract: A molded product for colored food, comprising (A) 0.01 to 1 part by weight of a hindered amine type light stabilizer and (B) 0.01 to 0.5 part by weight of an aromatic phosphite type and/or an aromatic phosphonite type antioxidant formulated per 100 parts by weight of a polyolefin containing substantially no phenol type antioxidant is disclosed.The molded product for colored food made of a polyolefin and having the composition of the present invention undergoes no discoloration even when contacted with a colored food for a long time and is also excellent in odor characteristic, mechanical characteristics and stability, etc., and therefore excellent as molded product for colored food, particularly sealed vessel, vessel for microwave oven heating.

Abstract: A novel curable polyphenylene ether resin composition is disclosed, which comprises (a) a curable polyphenylene ether resin having at least one group selected from the group consisting of an allyl group and a propargyl group and (b) at least one cyanurate. The resin composition has excellent storage stability, film-forming properties and melt moldability. If desired, a fire retardant, optionally together with an antimony-containing auxiliary fire retardant, and/or a reinforcement is incorporated into the resin composition in order to improve the fire retardance and mechanical properties of the resin composition, respectively. By curing the resin composition, a cured polyphenylene ether resin composition comprising a chloroform nonextractable polyphenylene ether resin component and a chloroform extractable, polyphenylene ether-containing component is obtained, which has excellent chemical resistance, electrical properties, dimensional stability and heat resistance.

Abstract: There are provided flame retardant, flexibilized thermoplastic compositions which comprise, in admixture, a normally flammable polyphenylene ether resin, an aromatic phosphate plasticizer in an amount at least sufficient to provide a flame retardant, flexibilized composition after molding, and a thermoplastic elastomer comprising a block copolymer of a vinyl aromatic compound and a diene monomer. Preferred features comprise such compositions which also include a halogenated hydrocarbon, alumina trihydrate and/or elemental red phosphorus.

Abstract: A composition comprising an ethylene/chlorotrifluoroethylene copolymer and an effective stabilizing amount of a phenolic complex of the formula: ##STR1## wherein at least one of R.sub.1, R.sub.2, R.sub.3, R.sub.4, and R.sub.5 is --OH, and wherein the remaining R.sub.1 through R.sub.5 is hydrogen or an aliphatic hydrocarbon, and wherein each of R.sub.1 through R.sub.5 may be the same or different provided that at least one of R.sub.1 through R.sub.5 is --OH, and each of R.sub.6 and R.sub.7 is an alkylene group having from 1 to about 10 carbon atoms, and each of R.sub.6 and R.sub.7 may be the same or different. The composition may further include a phosphite, a thioester or sulfide compound, and/or an inorganic filler such as tricalcium aluminate hexahydrate. Such compositions show improved melt stability at high temperatures and are useful as wire and cable coatings, films, and pipes.

Abstract: A thermoplastic polyblend of high density polyethylene, polyethylene terephthalate, a polyester elastomer, and a mixture of two aromatic phosphites. The polyblend has greatly improved impact strength and low gasoline permeation properties.

Abstract: Plastic compositions for the production of deep-drawn films have the following composition:______________________________________ Parts By Weight ______________________________________ Polyvinyl chloride 35-40 Acrylate rubber/PVC (1:1) 40-50 Plasticizer 5-10 Polystyrene/polyethylenebutylene 1-10 block copolymer Processing agent 4-5 ______________________________________The plastic film products from these materials have a high degree of strength and resistance to aging. Inhomogeneities and hard particles in the films are eliminated.

Abstract: The present invention relates to glass filled poly(arylene sulfide) molding compositions which upon being molded result in products having improved mechanical properties. Methods of preparing the compositions, methods of using the compositions to form molded products and the molded products so produced are also provided. The compositions are comprised of poly(arylene sulfide) resin, glass reinforcement material, an epoxysilane and an organic phosphite.

Abstract: The invention is directed to stabilizer compositions, to polymers containing these stabilizer compositions for use as additives in polymeric matrices, and to polymeric products which contain these additives. The stabilizer compositions comprise a ternary composition of a sterically hindered phenol, a less sterically hindered phenol, and an organic phosphite. These compositions are admixed with polymers to provide polymeric additives to improve the physical and mechanical properties of polymeric matrices.

Abstract: The present invention relates to a styrene-based resin composition comprising a styrene-based polymer having mainly a syndiotactic configuration and a specified antioxidant, a fibrous molding or extrusion produced by spinning a syndiotactic styrene resin composition and a molding produced by shaping and/or spinning, and stretching said resin.

Abstract: Disclosed are olefin polymers in nonextruded, aspolymerized particle form having a regular, essentially symmetrical geometrical shape, which are stabilized by depositing on their surface a mixture which is either melted, or in which at least stabilizer (A) is in the liquid state, and which comprises the following stabilizers (percent by weight on the polymer):A) from 0.02% to 0.015% of one or more organic phosphites or phosphonites or mixtures thereof, which are liquid at room temperature or have melting point below 100.degree. C.;B) from 0.025% to 0.2% of one or more phenolic antioxidants with melting point from 45.degree. to 130.degree. C.; and, optionally, one or more of the following additional components:C) from 0.05% to 0.5% of one or more thioethers, or organic polysulfides or mixtures thereof;D) from 0.1% to 1.0% of one or more light stabilizers which are liquid at room temperature or have a melting point below 150.degree. C.

Abstract: A stabilizing composition for thermoplastic organic polymers containing measured quantities of: (a) a sterically hindered phenol; (b) a triarylphosphite; and (c) a dialkylthiodipropionate. Stabilized polymer compositions are also described containing a thermoplastic organic polymer, in particular a polyolefin, and a stabilizing quantity of said stabilizing composition, which possess excellent characteristics in relation to their melt flow index and color when subjected to repeated extrusion and in relation to their long-term thermal stability.

Abstract: A flame retardant having excellent resistance to water and acid for a long period of time and comprising 100 parts by weight of magnesium hydroxide of which the surface is treated with a phosphoric ester of formula (I) ##STR1## wherein R represents an alkyl or alkenyl group having 10 to 30 carbon atoms, M represents an atom belonging to group IA of the periodic table or NH.sup.4+, and n represents 1 or 2, and 0.1 to 10 parts by weight of a salt of a metal other than alkali metals with a higher fatty acid, and a resin composition containing the flame retardant.

Abstract: Polymer blend compositions having improved flammability performance comprise a polyphenylene ether resin, a high impact polystyrene resin, a flame retardant and a high molecular weight polystyrene resin having a weight average molecular weight, Mw, greater than about 400,000.

Abstract: Hydrolytically stable phosphite compositions for melt flow and color stabilization of thermoplastics may be prepared from crude tetrahydroabietyl alcohol. The phosphites may be reacting said alcohol with an organophosphite, such as by transesterification. Other synthesis techniques may also be used.

Abstract: Compounds of general formula I ##STR1## wherein X.sub.1 is chloro or bromo,X.sub.2 is chloro, bromo or hydrogen, andY is O or S, andR.sub.1 and R.sub.2 are each independently of the other C.sub.1 -C.sub.4 alkyl, andR.sub.3 and R.sub.4 is a group of formula II ##STR2## which carries identical or different substituents and wherein R.sub.1, R.sub.2, X.sub.1 and X.sub.2 are as defined above, or R.sub.3 and R.sub.4, when taken together, form a group of formula III ##STR3## wherein R.sub.1 and R.sub.2 are as defined above, are very suitable flame retardants for polymers.

Abstract: A compound represented by the formula of: ##STR1## wherein R is hydrogen or methyl. This compound is useful as a stabilizer for butadiene polymers.

Abstract: Hot melt adhesive compositions stabilized against thermal degradation, discoloration, skin formation and substantial viscosity changes, said adhesives being based on ethylene-vinyl acetate copolymer and a hydrocarbon tackifying resin and containing a stabilizer system of a hindered phenol antioxidant, a phosphite costabilizer and an acid scavenger.

Abstract: A stabilized halogen-containing resin composition wherein(a) 0.01 to 10 weight parts of da hydrotalcite,(b) 0.01 to 5 weight parts of a zinc compound,(c) 0.01 to 5 weight parts of magnesium hydroxide, and(d) 0.01 to 5 weight parts of a .beta.-diketone compound and/or a phosphite compoundare compound into a halogen-containing resin per 100 weight parts thereof and a molding article therefrom.

Abstract: Talc filled thermoplastic polyester compositions which have been modified by the addition of a butadiene-based impact modifier are stabilized against degradation by the addition thereto of a specific phosphorous compound.

Abstract: Disclosed are polyolefin compositions containing a phosphite compound having the formula ##STR1## wherein R.sup.1 is hydrogen, alkyl or aralkyl; R.sup.2 is hydrogen or alkyl; and R.sup.3 is alkyl or aryl.

Abstract: A composition useful for the thermal stabilization of polyvinylchloride resin comprising an alkyl and aryl-substituted beta-diketone, mannitol and a mixture of magnesium and zinc salts of benzoic and fatty aliphatic acids is disclosed. Also disclosed is polyvinylchloride resin effectively stabilized with the stabilizer composition and a method for effectively stabilizing polyvinylchloride from discoloration at elevated temperatures.

Abstract: Heat-stabilized, non-yellowing chlorinated polymers having extended working ranges, notably PVC polymers and copolymers, contain effective stabilizing amounts of (a) at least one organozinc compound, (b) at least one organic calcium, barium, magnesium or strontium compound, and (c) at least one sodium .beta.-diketonate.

Abstract: The present invention is a composition comprising crosslinked polyolefin resins and an amount of organic sulfide antioxidants sufficient to stabilize the resin against thermal or oxidative degradation, wherein the organic sulfide antioxidant is represented by Formula I, II or III ##STR1## wherein m, n, R, R.sup.1, R.sup.2, R.sup.3, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are as set forth in the Summary of the Invention.

Abstract: Described herein are novel heat-stabilized poly(aryl ether ketone) compositions. Stability is imparted by blending a poly(aryl ether ketone) with an aromatic phosphorus compound and an organic acid having a dissociation constant within a well-defined range.

Abstract: An improved thermoplastic resin composition is described, containing polyphenylene ether resin, polyamide resin, and certain organophosphorus compounds. Particular examples of the organophosphorus compounds are dimethyloxazolinylmethylbisvinylphenyl phosphate and bis(dimethyloxazolinylmethyl)vinylphenyl phosphate. The compositions are characterized by excellent mechanical properties and oil resistance.

Abstract: The present invention relates to a polycarbonate resin composition comprising:100 parts by weight of a polycarbonate resin;(A) 00.5 to 1 part by weight of an ester of saturated fatty acid having 10 to 30 carbon atoms and monohydric or polyhydric alcohol having 2 to 30 carbon atoms;(B) 0.05 to 1 part by weight of paraffin wax, and(C) 0 to 0.001 part by weight as a phosphorus atom of at least one phosphorus compound selected from the group consisting of phosphorus acid and phosphorous acid esters, wherein the total amount of the components (A) and (B) is 0.1 to 1 part by weight.The present invention further relates to a polycarbonate resin composition comprising:100 parts by weight of a polycarbonate resin;(D) 0.05 to 1 part by weight of .beta.-long side chain alcohol/behenic acid ester or long chain aliphatic alcohol; and(E) 0 to 0.001 part by weight as a phosphorus atom of at least one phosphorus compound selected from the group consisting of phosphorous acid and phosphorus acid esters.

Abstract: A stabilized melt processable composition containing a halopolymer (e.g., an ethylene chlorotrifluoroethylene copolymer) and an effective stabilizing amount of an ester of a (4-hydroxy-5-alkylphenyl) alkanoic acid and at least one phosphite. Such compositions may be melt processed and extruded at high temperatures (e.g., up to 305.degree. C.) and retain their stability. These compositions are especially desirable in wire and cable coating applications.

Abstract: The addition of hindered amines in combination with a phosphorus-III-ester to the polymerization of olefins on spherical Ziegler-Natta catalysts effects a thermo-oxidative stabilization of the prepared polymers. Phenolic antioxidants may be used additionally.

Abstract: A butadiene polymer composition containing a phenolic compound represented by the formula: ##STR1## wherein R.sub.1 is an alkyl having 1 to 4 carbon atoms, R.sub.2 and R.sub.3 are each independently a group represented by --C(CH.sub.3).sub.2 --R' in which R' is an alkyl having 1 to 5 carbon atoms or phenyl, and R.sub.4 is hydrogen or methyl, and a phosphorus-containing compound represented by the formula: ##STR2## wherein R.sub.5 and R.sub.6 are each independently an alkyl having 1 to 9 carbon atoms.The composition is stable against the thermal deterioration and discoloration in the absence of oxygen as well as against the exposure to oxides of nitrogen gas.

Abstract: Flame-resistant molding compounds of polycarbonate, polyalkylene terephthalate, graft polymer, fluorinated polyolefine and phosphorus compound can be worked up into moulded products which have a particularly advantageous combination of joint line strength, dimensional stability under heat and toughness.

Abstract: Stabilizers for chlorine-containing olefin polymers containing Ca complexes of 1,3-diketones, hydrocarbon waxes and esters and/or partial esters of saturated, straight-chain C.sub.12 -C.sub.34 monocarboxylic acids, in conjunction with zinc salts of saturated, straight-chain C.sub.8 -C.sub.22 monocarboxylic acids and esters of phosphorous acid, provide the polymers with excellent properties in regard to processibility and temperature stability.

Abstract: A thermoplastic blend for molding articles with resistance to environmental stress cracking and with good melt flow properties comprises a polyphenylene ether resin having a low intrinsic viscosity and a polystyrene resin having a high intrinsic viscosity. The composition can further contain an impact modifier and/or a flame retardant.

Abstract: The present invention relates to glass filled poly(arylene sulfide) molding compositions which upon being molded result in products having improved mechanical properties. Methods of preparing the compositions, methods of using the compositions to form molded products and the molded products so produced are also provided. The compositions are comprised of poly(arylene sulfide) resin, glass reinforcement material, an epoxysilane and an organic phosphite.

Abstract: A solid stabilizer composition for synthetic polymers is formed by a solid, continuous phase and by a solid dispersed phase in said continuous phase, wherein the continuous phase is constituted by amorphous 2,2'-oxamido-bis[ethyl-3-(3,5-di-tert.-butyl-4-hydroxyphenyl)-propionate] and the dispersed phase is constituted by an amorphous, or crystalline, or partially amorphous and partially crystalline organic phosphite, with the weight ratio of said continuous phase to said dispersed phase being comprised within the range of from 9:1 to 1:9.The process for preparing said solid composition and its use in the stabilization of synthetic polymers are disclosed.

Abstract: Linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon are stabilized against thermal degradation by the inclusion therein of certain phenolic compounds.

Abstract: Polyvinyl chloride resin stabilizer compositions are provided, comprising a 2,2,6,6-tetramethyl piperidinyl compound and an ammonium or metal perchlorate; and also stabilized polyvinyl chloride resin compositions containing such stabilizers, and optionally including a plasticizer, and particularly as molded articles with polyurethane foam backing.

Abstract: Method and apparatus for the post reaction treatment of resins produced by fluidized bed polymerization of alpha olefins wherein an extruder is coupled in communication with the reactor and all necessary devolatilization of monomer, deactivation of catalysts and addition of additives are performed in the extruder.

Abstract: A solid stabilizer composition for organic polymers is formed by a solid, continuous phase and by a dispersed phase in said continuous phase, wherein the continuous phase is constituted by amorphous tetrakis-[3-(3,5-di-tert.-butyl-4-hydroxyphenyl)-propionyloxymethyl]-metha ne and the dispersed phase is constituted by an either amorphous or crystalline organic phosphite, in the form of particles with a particle size of from 10 .mu.m to 2 mm, with the weight ratio of said continuous phase to said dispersed phase being comprised within the range of from 9:1 to 1:9.The processes for preparing said solid stabilizer composition and its use in the stabilization of organic polymers are disclosed.

Abstract: A conjugated diene/monovinyl substituted aromatic hydrocarbon copolymer is stabilized by the addition of a complex acrylate, in combination with at least one of an alkyl thiopropionate, an organic phosphite and a non-acrylate substituted hindered phenolic compound.

Abstract: A process for forming random copolymers which comprises forming a polymer melt containing one or more polyamides and one or more aryl phosphoryl azide compounds, such as diphenyl phosphoryl azide; and heating said melt for a period of time sufficient to form the desired amount of the copolymer.

Abstract: Stabilizing mixtures, acting synergistically, of phenolic antioxidants and sulphur-containing polymers having terminal thioalkyl groups.

Abstract: High impact resistant polycarbonate, a process for producing said polycarbonate, and a polycarbonate resin composition are disclosed. This polycarbonate consists of a main chain with a cumylphenoxy group, as a terminal group, bonded to at least one end thereof, said main chain comprising a repeating unit represented by the formula (I): ##STR1## and has a viscosity average molecular weight of at least 10,000 and an acetone soluble content of not more than 3.5 wt %. The polycarbonate can be efficiently produced by the process of the invention. The composition comprises a polycarbonate resin and a specific amount of a phosphorus-based antioxidant.

Abstract: A synthetic resin composition comprising a synthetic resin and a special phenolic polymer is stabilized for a long period of time and excellent in heat resistance and light resistance.

Abstract: A polyphenylene ether resin composition comprising(A) a polyphenylene ether resin,(B) a polystyrene resin, and(C) a graft copolymerprepared by graft-polymerizing one or more vinyl monomers onto a compound rubber having an average particle diameter of 0.08 to 0.6 .mu.m and a structure wherein 10 to 90% by weight of a polyorganosiloxane rubber component and 90 to 10% by weight of a polyalkyl (meth)acrylate rubber component are tangled with each other so as not to separate, the total amount of the polyorganosiloxane rubber component and the polyalkyl (meth)acrylate rubber component being 100% by weight of the compound rubber. This resin composition provides molded products superior in impact resistance, heat resistance, mechanical strength, and surface appearance and is superior in moldability and flow properties.

Abstract: There is provided an electric conductive resin composition formed into a pellet, which includes an electric conductive filler comprising electric conductive fibers and a low-melting point metal, and being coated on the surface thereof with a thermoplastic resin. Flux and/or a phosphorus-based antioxidant may be added to the filler. There is also provided an electromagnetic wave shielding molded product prepared by using the electric conductive resin composition mentioned above, wherein the electric conductive fibers dispersed within the molded product are fixed each other through the low-melting point metal.

Abstract: The invention relates to a polymer mixture which comprises a polyphenylene ether, a block copolymer, and a phosphate ester in a given ratio by weight. The polymer mixture according to the invention is particularly suitable as a material for cable sheaths.