Abstract: This invention relates to compositions and methods for forming polyether polyurethanes utilizing internal release additives for the purpose of facilitating mold release in the production of molded objects. The invention discloses four classes of internal release additives: (1) mixtures of aliphatic or aryl carboxylic acid and a polar metal compound; (2) caboxyalkylsiloxanes; (3) aliphatic glyoximes; and (4) aralkyl quaternary ammonium salts.

Abstract: Polymer composites, such as rubber, thermoset and thermoplastic articles, comprising the reaction product of (a) an organic polymer, (b) an inorganic substrate and (c) an amino substituted mercapto organosilicon coupling agent, and articles comprising an inorganic substrate treated with an amino substituted mercapto organosilicon coupling agent.

Abstract: Epoxy resin composition contains particulate hydrated alumina filler treated with a first organosilane containing an organic group condensible with a carboxy group and a second organosilane which is an alkyl silane or an aryl silane.

Abstract: A two-stage process for producing gamma-mercaptopropyltrialkoxysilane which comprises reacting beta-cyanoethyltrialkoxysilane with hydrogen sulfide in the presence of an amide to form a novel gamma-trialkoxysilylthiopropionamide intermediate followed by reducing said intermediate with hydrogen in the presence of a transition metal polysulfide.

Abstract: Novel high resilience (HR) urethane foams are prepared from tolylene diisocyanate and novel polymer/polyol compositions made with acrylonitrile and vinylidene chloride monomers. The acrylonitrile:vinylidene chloride-polymer/polyol compositions enhance the load-bearing properties and decrease the flammability of HR foams made with them.

Abstract: A process for preparation of a urethane foam which comprises reacting an aromatic polyisocyanate with a polyol in the presence of a blowing agent and a catalytic amount of a compound of the formula(CH.sub.3).sub.2 NCH.sub.2 CH.sub.2 (CH.sub.2).sub.n CH.sub.2 CH.sub.2 N(CH.sub.3).sub.2wherein n is 4, 3, 2, 1, or 0.

Abstract: A process for producing high resilience polyurethane foam utilizing as a foam stabilizer a combination of an organosilicone oil of average molecular weight 200-2000 composed of the blocks represented by the formula ##EQU1## (where a+b is 1 to 3, b is 0 or 1, R is methyl group, and R' is a hydrocarbon group of 3-15 carbon atoms) and a hydrocarbon oil of average molecular weight 200-2000 containing more than 20 wt. % of alicyclic hydrocarbon and/or aromatic hydrocarbon.

Abstract: Polymer composites, such as rubber, thermoset and thermoplastic articles, comprising the reaction product of (a) an organic polymer, (b) an inorganic substrate and (c) a polysulfide silicon coupling agent, and articles comprising an inorganic substrate treated with a polysulfide silicon coupling agent.

Abstract: Aminoorganosilicon compounds containing a single acylamino group and at least one secondary and/or tertiary amino group in the same substituent radical.

Abstract: This invention relates to novel curative compositions for use in the production of cellular polyurethane elastomers having outstanding energy-absorbing properties. The curative compositions are composed of mixtures of organic diols and the reaction product of phenols which have at least one unsubstituted reactive position on the aromatic nucleus, aldehydes, and aromatic amines.

Abstract: Thermoplastic polyether polyurethane elastomers are provided by reacting and forming: (a) a novel liquid polyurethane quasi-prepolymer having a free NCO content of from about 16 percent to about 25 percent; (b) a reactive poly(oxypropylene-oxyethylene) diol; and (c) as an extender, a short chain diol in the presence of (d) a catalyst. The elastomers can be either solid or microcellular, and they are suitable for production using Reaction Injection Molding (RIM) or conventional casting technology. The elastomers are useful in the production of automotive body panels, gears, seals and the like, and, since the elastomers are thermoplastic, any excess elastomer ("scrap") can be reused.

Abstract: A process is provided for producing bis-(N,N-dialkylamino)alkyl ethers of the formula (R.sub.2 NR').sub.2 O, wherein R is a methyl or ethyl group and R' is a bivalent alkylene group having from 2 to 3 carbon atoms. The novel process is effected by a two-step, "one pot" reaction that utilizes a chloro-containing compound selected from the group consisting of sulfuryl chloride, thionyl chloride and chlorosulfonic acid together with R.sub.2 NR'ONa as reactants, wherein R and R' are defined above. The resulting bis-ethers are useful as catalysts in the production of polyurethanes, especially cellular polyurethanes.

Abstract: Polyester aminoalkylalkoxysilanes are provided by effecting the Michael addition reaction of an unsaturated conjugated polyester having a molecular weight of at least 1000 with an aminoalkylalkoxysilane. The said polyester aminoalkylalkoxysilanes have utility as adhesion promoters between inorganic siliceous materials and organic resins. When the inorganic siliceous material is glass cloth or fibers, the polyester aminoalkylalkoxysilanes have dual utility as (a) a size or protective coating for glass cloth or fibers and (b) an adhesion promoter between said glass cloth or fibers and said organic resins. Also provided are polyester aminoalkylalkoxysilanes that are formed by the linear chain-extension of an unsaturated conjugated polyester with an organic diisocyanate prior to the Michael addition of an aminoalkylalkoxysilane.

Abstract: Organic compounds having the formulaCH.sub.2 .dbd.C(R.degree.)CH.sub.3-m X.sub.mincluding those having alkallyl groups such as:CH.sub.2 .dbd.C(C.sub.n H.sub.2n+1)CH<andCH.sub.2 .dbd.C(C.sub.n H.sub.2n+1)CH.sub.2 --,wherein R.degree. is a monovalent hydrocarbon group are reacted with organohydrosiloxanes under hydrosilation reaction conditions to form useful organofunctional polysiloxanes. The functional groups represented by X include a hydrocarbonoxy group, a cyanohydrocarbonoxy group, an acyloxy group, a halogen atom, a hydroxy group, a cyano group or a group having the formula --OC(O)NR.sub.2 wherein R is a monovalent nitrogen-free organic radical, a divalent hydrocarbon group or hydrogen and may be the same or different throughout the same group or molecule, n is an integer of 1 to 18, m is an integer of 1 and when X is hydrocarbonoxy or acyloxy, m is 1 or 2. The very low degree (if any) of isomerization of the CH.sub.2 .dbd.C(R.degree.)CH.sub.

Abstract: Organic ethers including polyethers having two CH.sub.2 .dbd.C(R)CH.sub.2 -- end groups per molecule wherein R is a monovalent hydrocarbon group are reacted with organohydrosiloxanes under hydrosilation reaction conditions in the presence of a platinum catalyst preferably a neutral platinum catalyst, to form very useful nonhydrolyzable siloxane block copolymers. Novel nonhydrolyzable linear block copolymers substantially free of silicon-bonded hydrogen are obtained with linear dihydropolyorganosiloxane reactants and linear ethers or polyethers. The linear block copolymers made with the linear dihydrosiloxanes and polyethers are particularly useful as surfactants and foam stabilizers for the preparation of polyurethane foams. The very low degree (if any) of isomerization of the CH.sub.2 .dbd.C(R)CH.sub.2 -- group to unreactive species during the hydrosilation reaction results in the unexpectedly high molecular weight of the copolymers of the present invention.

Abstract: Novel improved polymer/polyol composition made by polymerizing one or more ethylenically unsaturated monomers in situ in a blend of a polyol having a number average molecular weight of at least about 76 and a preformed polymer/polyol prepared by the in situ polymerization of one or more polymerizable ethylenically unsaturated monomers in a polyol, said preformed polymer/polyl having a viscosity of not more than 40,000 cps at 25.degree. C., to form a highly stable dispersion of small polymer particles in said polyols, wherein said preformed polymer/polyol and said improved polymer/polyol composition are more stable than the polymer/polyol having the same chemical composition as said improved polymer/polyol composition but made in the absence of said preformed polymer/polyol. The novel compositions are highly useful in the production of polyurethane products.

Abstract: Polyester aminoalkylalkoxysilanes are provided by effecting the Michael addition reaction of an unsaturated conjugated polyester having a molecular weight of at least 1000 with an aminoalkylalkoxysilane. The said polyester aminoalkylalkoxysilanes have utility as adhesion promoters between inorganic siliceous materials and organic resins. When the inorganic siliceous material is glass cloth or fibers, the polyester aminoalkylalkoxysilanes have dual utility as (a) a size or protective coating for glass cloth or fibers and (b) an adhesion promoter between said glass cloth or fibers and said organic resins. Also provided are polyester aminoalkylalkoxysilanes that are formed by the linear chain-extension of an unsaturated conjugated polyester with an organic diisocyanate prior to the Michael addition of an aminoalkylalkoxysilane.

Abstract: This invention provides a low density (<2 pcf.) modified phenolic foam produced by combining a resole resin with a phosphorus-containing isocyanate-terminated prepolymer in the presence of a minor amount of a surfactant, a catalytic amount of an organotin catalyst, and a halocarbon blowing agent. Foam products producted by the method of the invention have a good combination of low combustibility, friability resistance and compressive strength.

Abstract: This invention relates to compositions and methods for forming polyether polyurethanes utilizing internal release additives for the purpose of facilitating mold release in the production of molded objects. The invention discloses four classes of internal release additives: (1) mixtures of aliphatic or aryl carboxylic acid and a polar metal compound; (2) carboxyalkylsiloxanes; (3) aliphatic glyoximes; and (4) aralkyl quaternary ammonium salts.