Abstract: Novel polyphenylene ether-polyamide compositions having improved compatibility, elongation and impact properties as well as improved processability are prepared comprising a polyphenylene ether, a polyamide and a property improving amount of an acyl modified polyphenylene ether compatibilization agent. These compositions may further comprise alkenyl aromatic polymer or a rubbery polymer.

Abstract: An impact polyamide composition is provided by incorporating a nitrogen-containing conjugated diene/monovinyl-substituted aromatic compound copolymer with the polyamide. The resulting composition has greatly enhanced impact characteristics. In a further embodiment an organic phosphite or phosphonate is incorporated in addition which has the effect of dramatically reducing notch sensitivity of the resulting composition.

Abstract: A thixotropic gel composition comprising an .alpha.-cyanoacrylate monomer, stabilizer, plasticizer and free radical scavenger is improved with the addition of fibers, spheres or mixtures of the same of certain materials which are insoluble in and inert to the .alpha.-cyanoacrylate monomer. The fibers or spheres composed of such materials as polyolefins, polyesters or polyamides enhance the physical and chemical characteristics of the thixotropic gel.

Abstract: A crosslinkable composition comprising a silyl modified ethylene (co)polymer, a defined phosphorus or antimony compound and optionally a silanol condensation catalyst. The silyl modified polymer has hydrolysable silane groups introduced therein by copolymerization grafting or transesterification. The phosphorus or antimony compound (e.g. tributyl phosphite) reduces premature crosslinking during extrusion of the composition.

Abstract: Polymeric compositions are provided in which perfluoropolyethers have been solubilized in non-fluorinated solvents by combining them with a solubilizing agent such as azotic conjugated compounds, and phosphorylated compounds. Typical of the perfluoropolyethers is ##STR1## Typical of the solubilizing agents is phosphorylated methacryloyloxyhydroxypropylisophthalate. The perfluoropolyether and the solubilizing agent are mixed to form a paste which is soluble in organic solvents such as methylethylketone. These compositions find utility as protective lubricant coatings for thin film magnetic recording media. They have the advantage that only one coating step is required in order to apply both the phosphorylated compound and the lubricating polyether. Recording media lubricated with these compositions have demonstrated excellent wear characteristics.

Abstract: Novel substituted N-pyrrolylphenyl-N'-benzoylurea compounds of the formula ##STR1## in which X and Y independently of one another are each hydrogen or halogen,R is hydrogen or halogen, andZ is hydrogen, halogen or methyl.The compounds have valuable properties for controlling pests, such as phytoparasitic and zooparasitic insects and members of the order Acarina, including in particular ectoparasites.

Abstract: Elastomers such as guayule rubber is stabilized by the addition of an alkyl, cycloalkyl or alkyl substituted cycloalkyl phenyl-phenylenediamine compound with an alkyl, cycloalkyl or alkyl substituted cycloalkyl phosphite compound which, in combination, yield an unexpectant and synergistic result.

Abstract: Increased resistance to discoloration induced by smog or heat is imparted to a spandex fiber by incorporating within the fiber a phenolic antioxidant and a dialkyl phenyl phosphite in which at least half of the alkyl groups are branched at the alpha position and the phenyl groups are unsubstituted or monoalkyl substituted.

Abstract: A polyester resin composition having excellent molding mobility and crystallizing property, comprises (A) at least one thermoplastic polyester resin selected from polyethylene terephthalate resins and polybutylene terephthalate resins; (B) a polycaprolactone having a number average molecular weight of from 200 to 2,000 in an amount of 0.1 to 30 parts by weight per 100 parts by weight of the polyester resin, in which polycaprolactone molecules, at least 50% of the terminal radicals thereof, are modified to be non-reactive, (C) 0.01 to 10 parts by weight of a crystal nucleating agent per 100 parts of the polyester resin, and optionally, (D) at least one additive selected from fillers and specific phosphorous compounds which may be in combination with a specific epoxy compound, the polyester resin composition being useful for producing a molded product having an excellent dimensional stability and mechanical strength.

Abstract: A steering wheel for a vehicle formed from a molded polyurethane resin and a molded vinyl chloride resin which contains a heat stabilizer consisting of (I) 1 to 3 phr of the organo maleate, (II) 1 to 4 phr of zinc soap and 0.3 to 1.0 phr of an organo-phosphite, or (III) 1 to 3 phr of organotin maleate, 1 to 4 phr of zinc soap and 0.3 to 1.0 phr of an organo-phosphite.

Abstract: Good adhesion of rubber to metal is very important in rubber articles containing metal reinforcement. For example, in a steel belted tire good adhesion between the tire rubber and the metal tire cord is of utmost importance. Good metal to rubber adhesion is also of great importance in a variety of other rubber products, including power transmission belts, conveyor belts, and rubber hoses containing metal reinforcements. This invention reveals the use of certain adhesion promoters that are useful in rubber products containing metal reinforcements. More specifically, this invention discloses the use of allyl phosphite esters, allyl phosphate esters, 5-nitro isatoic anhydride, iminodiacetic acids, N-substituted iminodiacetic acids, salts of N-substituted iminodiacetic acids, and salts of iminodiacetic acids as adhesion promoters in composites containing rubber and metal.

Abstract: Segmented thermoplastic copolyester elastomers containing recurring polymeric long chain ester units derived from phthalic acids and long chain glycols and short chain ester units derived from phthalic acids and 1,4-butanediol or 1,4-butenediol. The elastomers also contain small amounts of a guanidine stabilizer and small amounts of phosphorus stabilizer and diphenylamine.

Abstract: A thermally stabilized polyetherimide composition is disclosed which contains a polyetherimide and a stabilizing amount of an antioxidant having a molecular weight of 400 and is selected from the group of hindered phenols, aryl phosphonites, organic phosphites, thioesters or mixtures thereof. The stabilized polyetherimides exhibit a prolonged stability under conditions of elevated temperatures.

Abstract: Saturated aliphatic polyesters having a repeating unit which has the structural form of a residue of a glycol combined with a residue of a diacid or the form of a residue of a hydroxy acid, the number of carbon atoms in the shortest chain between ends of the residues being in the range of 3 to 10 for the glycol residue and no more than 12 for the diacid residue or for the hydroxy acid residue, provide polyether-based spandex fibers with improved resistance to discoloration induced by exposure to nitrogen dioxide fumes.

Abstract: The present invention relates to a process for the viscosification of an organic liquid which comprises the steps of forming a first solution of an anionic polymer dissolved in the organic liquid; forming a second solution of a cationic polymer dissolved in the organic liquid; and mixing the first and the second solutions together to form an interpolymer complex of the anionic and cationic polymer in the organic liquid, wherein the organic liquid containing the interpolymer complex has improved viscosification properties. This solution possesses higher viscosity than the mean of the separate viscosities of the starting solutions at relatively low solids content. Moreover, these interpolymer complexes, in hydrocarbon solutions, can be formulated to exhibit shear thickening at increased shear rates. This property is useful in such technological applications as antimisting of the solvent.

Abstract: The process for the stabilization of polycondensation catalysts and the stabilization composition used in such process for producing polyesters and copolyesters by the polycondensation of dicarboxylic acid and an aliphatic glycol using certain metal-containing polycondensation catalysts in conjunction with a stabilization composition formed as the reaction product of phosphoric acid, meta-phosphoric acid, superphosphoric acid or mixtures thereof and an aliphatic epoxide having between 2 and about 10 carbon atoms.

Abstract: The present invention is directed to stabilizer compositions or thermoplastic polycarbonates based on phosphites and siloxane-oxetane compounds. These stabilizers protect the polycarbonate against heat and oxidative degradation, and in addition, increase the hydrolysis resistance of the polycarbonate. The present invention is also directed to a process for stabilizing polycarbonate and to the stabilized polycarbonate produced therefrom.

Abstract: Thermally stable, color-stabilized halobisphenolethylene polycarbonates comprising halobisphenolethylene polycarbonates containing an effective amount of a stabilizing organophosphite are described. The stabilized halobisphenolethylene polycarbonates can be molded or formed into films, sheets, fibers, laminates or other molded articles including reinforced articles by conventional molding techniques.

Abstract: Polymeric compositions possessing an improved resistance to combustion, said compositions consisting of a polyolefin and, for every 100 parts by weight of total composition:(1) 1-5 parts of red phosphorus;(2) 0-10 parts of a compound that by thermal decomposition will mainly free ammonia;(3) 0.3-2 parts of a promoter of free radicals.

Abstract: A process for rapidly and substantially decreasing the melt index and increasing the viscosity of polymers of caprolactams during melt processing by forming a molten mixture of the polymer and a phosphite compound and heating the mixture until the desired change in melt index and viscosity are obtained.

Abstract: Synthetic resin compositions of improved resistance to deterioration by heat and light are provided containing a 2,2,6,6-tetramethyl piperidyl ether having the formula: ##STR1## The compounds of the invention can be prepared by the reaction of the 2,2,6,6-tetramethyl piperidyl alcohol R.sub.1 -OH with (poly) trimethylol alkane, (poly) pentaerthritol, or an alcohol containing an oxetane ring, to form the ether.The etherification is carried out by the conventional method, for example, by the reaction of R.sub.1 -OH with the organic sulfonate of the above-mentioned alcohols, or by the reaction of R.sub.1 -OH with the halogenated above-mentioned alcohols in the presence of an alkali or acid acceptor.The compounds where n is equal to 2 or more can be prepared by chain opening polymerization of the corresponding compound containing the oxetane ring.

Abstract: A process for preparing quasi-random copolymers is described which involves heating a mixture of polyamides in the presence of one or more phosphite promotor(s). The process is conducted at temperatures between about 265.degree. C. and 315.degree. C. with the process time generally ranging from about 2 to about 20 minutes. The process is especially useful for preparing copolymers from a mixture of poly(caproamide) and poly(hexamethylene adipamide). The copolymer products prepared in accordance with the process are particularly suitable for the production of plastic films which have improved properties as compared to either of the homopolymers.

Abstract: Polycarbonates are heat stabilized by the incorporation of a carbonate compound having a boiling point greater than about 250.degree. C. and an organophosphorous compound such as a phosphonite or a phosphite. The amount of the additive compound used in each instance is from 100 to 10,000 parts per million.

Abstract: Polyphenylene ether resins and compositions of such resins in admixture with certain specific phosphite thermal oxidative stabilizers are described. These blends can be used with or without impact modifiers. As an additional benefit, the resins and compositions possess good melt flow properties which facilitates processing during molding.

Abstract: Stabilizing composition comprising (I) a phosphite P(OR).sub.3 and (II) an organic metal salt M(OOCR.sup.1).sub.n, the P/M molar ratio being from 78/1 to 900/1.

Abstract: A composition comprising (a) an aromatic polycarbonate and (b) a minor amount of a oxyalkylene siloxane block copolymer, and, optionally, an organic phosphite or phosphonite and/or epoxy compound provide lower viscosity in the melt without producing brittle molded parts.

Abstract: A copolymer comprising (a) vinyl chloride or a mixture of vinyl chloride and a monomer copolymerizable therewith and (b) 1,2-polybutadiene oligomer and/or epoxidized 1,2-polybutadiene oligomer. The plasticized copolymer can be molded into soft moldings having a low compression set and high tensile and tear strengths. Also, by the incorporation of the copolymer into vinyl chloride homopolymer or copolymers, hard moldings having delustered surface can be obtained without conducting delustering operation.

Abstract: A composition containing a chelated titanium compound and an additive selected from the group consisting of (1) esters of thioalkanoic acids, (2) di-tertiary-butyl phenol containing compounds, (3) organic phosphites, and (4) mixtures of (2) and (3), retards the color change of the composition on storage. When this composition is used as the catalyst for one package, room temperature curing silicone elastomeric compositions of the type comprising a hydroxyl endblocked polydiorganosiloxane and a silane having an average of from 2.01 to 4 inclusive alkoxy radicals, the silicone elastomeric composition can be stored without substantial color formation. The improvement in reduced color change is useful in silicone elastomeric compositions which are clear or light colored.

Abstract: A polyphenylene ether resin composition having improved heat stability, said composition comprising a polyphenylene ether resin matrix, and dispersed therein, a phosphonic acid or its derivative of the formula ##STR1## wherein R.sub.1 represents an unsubstituted or substituted phenyl or naphthyl group, or a linear or branched alkyl group with 1 to 18 carbon atoms, or a group of the following formula (a) ##STR2## R.sub.2 and R.sub.3 are identical or different and each represents hydrogen atom, a metal, an unsubstituted or substituted phenyl group, or an alkyl group with 1 to 10 carbon atoms; and R.sub.4 is a divalent hydrocarbon group with 2 to 10 carbon atoms.

Abstract: The invention relates to plastics moulding compounds which have been flame-proofed with organic chlorine- or bromine-containing compounds, said moulding compounds containing at least one aerosol selected from the group comprising the highly dispersed silicates, highly dispersed alumina, and highly dispersed titanium dioxide, and, optionally, a dibasic or tribasic oxyacid of phosphorus or an ester thereof. These moulding compounds have a reduced corrosive action on contact metals.

Abstract: Stabilizer compositions and polyvinyl halide resin compositions containing 1,3-dicarbonyl compounds having the formula: ##STR1## as well as metal and organotin enolate salts thereof, effective in enhancing the resistance to deterioration by heat and light of polyvinyl halide resins.

Abstract: Chlorine-containing thermoplastics containing a pyrrole of one of the formulae I to V ##STR1## the substituents being as defined in the patent specification. The pyrroles are used to stabilize chlorine-containing thermoplastics.

Abstract: A resin composition suitable for injection moulding and having excellent heat resistance, impact resistance and crack resistance, which is composed of polyphenylene ether and rubber-reinforced styrene resin and an amount of volatile matters in the resin having molecular weight of about 300 or less is 5000 ppm or less. This resin composition is prepared by melting and kneading the two resins above in an extruder with a vent under keeping the vent part under reduced pressure.

Abstract: A stabilizing composition consisting of substituted alpha- or beta-naphthindoles, benzoylated or not benzoylated, and combined with organic polyimines such as those of formula 1 of the formulae sheet, in which R is alkyl or dialkyl, ethoxylated alkylmercaptans with 2.varies.8 ethoxy groups and (metal) halides of barium, calcium, lithium, zinc or aluminum, have a strong thermostabilizing effect on chlorine containing thermoplastics, especially on polyvinyl chloride, both homo-M and S polymers thereof, and on polyvinylidene chloride.

Abstract: Chlorine-containing thermoplastics, containing a pyrrole of the formula I ##STR1## in which R.sub.1 is hydrogen, alkyl, cycloalkyl, aryl, alkoxycarbonylmethyl, free or esterified .alpha.-hydroxyalkyl, free or esterified .alpha.-hydroxycycloalkylmethyl, free or esterified .alpha.-hydroxyaralkyl, alkoxymethyl, alkylthiomethyl, aryloxymethyl, arylthiomethyl, cycloalkoxymethyl, cycloalkylthiomethyl, aralkoxymethyl, aralkylthiomethyl, alkoxy, alkylthio, cycloalkoxy, cycloalkylthio, aralkoxy, arylalkylthio, aryloxy, arylthic, halogen, mercapto, mercaptomethyl or hydroxyl, R.sub.2 is hydrogen, alkyl, cycloalkyl, aryl, free or esterified .alpha.-hydroxyalkyl, in which the alkyl moiety together with R.sub.1 can be alkylene, or free or esterified .alpha.-hydroxycycloalkylmethyl, free or esterified .alpha.

Abstract: A non-toxic liquid stabilizer comprising, (a) from about 5 to about 35 percent of zinc resinate, (b) from about 5 to about 35 percent of calcium resinate, (c) from about 10 to about 40 percent of non-toxic plasticizer, (d) from about 1 to about 10 percent of a non-toxic antioxidant, and (e) from about 25 to about 75 percent of a non-toxic phosphite, said stabilizer containing from about 0.1 to about 3.5 percent zinc, and from about 0.025 to about 2.28 percent calcium, all weights being based upon the total weight of the stabilizer, is disclosed. Also disclosed is a similar stabilizer which does not contain phosphite and contains from about 25 to about 90 percent of the plasticizer. A method for stabilizing halogenated hydrocarbon resins utilizing the stabilizers of the present invention is also disclosed.