Abstract: Silicone pressure sensitive compositions that combine high ultimate strength in a cured network with a lower modulus and have improved adhesive strength at elevated temperatures are disclosed. The pressure sensitive adhesive compositions are comprised of (A) a soluble, capped, organopolysiloxane resin containing less than 1.2 weight percent silicon-bonded hydroxyl groups based on the total weight of (A); (B) a diorganopolysiloxane polymer, each terminal group thereof containing at least two silicon-bonded hydrolyzable radicals said polymer having a viscosity at 25.degree. C. of 20 to 100,000 mm.sup.2 /s; and (C) a hydrolyzable silane.

Abstract: The present invention relates to a silicone pressure-sensitive adhesive composition which cure upon exposure to ambient moisture. The moisture-curable silicone pressure-sensitive adhesive composition of the instant invention comprise:(A) an organopolysiloxane resin containing curing radicals of the formula --SiY.sub.2 ZNY'ZSiR.sup.1.sub.x Y".sub.3-x wherein R.sup.1 is a monovalent hydrocarbon radical, each Z is a divalent linking group, each Y is independently selected from the group consisting of a monovalent organic radical, an enoloxy radical, an alkoxy radical, and an oximo radical; Y' is selected from the group consisting of a monovalent organic radical, a hydrogen atom, and --ZSiR.sup.1.sub.x Y".sub.

Abstract: A stream of a molten moisture curable organosiloxane composition is entrained in a current of a heated gas containing a concentration of water vapor below the saturation level of the gas at 25.degree. C. The gas current directs the organosiloxane composition toward the surface to be coated and provides an environment adjacent to the surface of the coated substrate that causes at least the surface layer of the composition to cure at a rate that is substantially constant and independent of the temperature and humidity in the macroscopic environment of the substrate.

Abstract: A moisture-curable silicone hot melt pressure sensitive adhesive composition is disclosed, said composition comprising: (A) a solid alkoxy functional organopolysiloxane resin containing curing radicals of the formula --ZSiR.sup.1.sub.x (OR.sup.2).sub.3-x ; wherein R.sup.1 is a monovalent hydrocarbon radical, R.sup.2 is selected from the group consisting of a alkyl radical and alkoxyalkyl radical, Z is a divalent linking radical, and the subscript x has a value of 0 or 1; (B) a diorganopolysiloxane polymer, each terminal group thereof containing at least one silicon-bonded hydrolyzable functional radical selected from the group consisting of alkoxy radicals having 1 to 4 carbon atoms, ketoxime radicals, aminoxy radicals, acetamido radicals, N-methylacetamido radicals and acetoxy radicals; said polymer having a viscosity at 25.degree. C. of 20 to <100,000 mm.sup.

Abstract: A method is described for providing a protective finish to a vinyl substrate by applying to the vinyl substrate a vinyl protectant composition. In one embodiment the composition is an abrasive free mixture of a film forming polysiloxane; a diluent; and a wax in the form of micronized particles having an average diameter of 3-12 microns. In another embodiment, the composition is a hydrocarbon solvent free mixture of a film forming polysiloxane; water; and an amorphous silica in the form of fumed silica particles having an average diameter of 7-30 nanometers.

Abstract: Hair is conditioned by applying to the hair an effective amount of a composition which includes as the hair conditioning agent, from 0.5 to 5.0 percent by weight of a derivatized amine functional organosilicon compound which is one of (i) a reaction product of an amine functional polysiloxane and a derivative of carbonic acid; (ii) a reaction product of an amine functional polysiloxane and a lactone; (iii) a reaction product of an amine functional silane and a derivative of carbonic acid; or (iv) a reaction product of an amine functional silane and a lactone.

Abstract: Curable adhesive compositions comprise combinations of organosiloxane MQ resins and liquid polyorganosiloxanes of specified viscosity and functionality. The compositions are substantially free of unreactive materials and are applied in the molten state. Depending upon the concentration of reactive groups on the resin and polyorganosiloxane, the compositions may also include a silane containing an average of more than two hydrolyzable groups per molecule. Preferred compositions develop excellent adhesion to a variety of organic and metallic substrates during curing under ambient conditions.

Abstract: Organosiloxane compositions comprising specified combinations of MQ resins and liquid polyorganosiloxanes can be applied as molten materials to form coatings that are non-flowable under ambient conditions and can initially be remelted by heating the coating above its flow transition temperature. In the presence of moisture, the flow transition temperature of the coating gradually increases due to the reaction of hydrolyzable groups on the polyorganosiloxane ingredient until the coating is converted to a non-flowable resin reinforced elastomer. Preferred coatings are non-transferable at 25.degree. C. within ten minutes following application.

Abstract: A moisture-curable silicone hot-melt adhesive composition is disclosed, which composition comprises(i) a solid hydroxyl-functional organopolysiloxane resin comprising R.sub.3 SiO.sub.1/2 siloxane units and SiO.sub.4/2 siloxane units in a molar ratio of 0.5/1 to 1.2/1, wherein R is selected from hydrocarbon or halogenated hydrocarbon radicals;(ii) a diorganopolysiloxane polymer having silicon-bonded hydroxyl terminal groups and having a viscosity at 25.degree. C. of 100 to 500,000 centipoise, the weight ratio of said resin (i) to said polymer being (ii) in the range 40:60 to 75:25;(iii) a ketoximosilane, the amount of said ketoximosilane being sufficient to provide a molar ratio of X groups to total hydroxyl groups on said resin (i) and said diorganopolysiloxane (ii) of 0.9 to 3; and(iv) optionally, sufficient catalyst to accelerate the cure of said composition, said composition being an essentially solvent-free non-slump solid at room temperature, being extrudable at .ltoreq.150.degree. C.

Abstract: A moisture-curable silicone composition, suitable for use as a coating or pressure-sensitive adhesive, is disclosed, said composition comprising (i) a hydroxyl-functional organopolysiloxane resin comprising R.sub.3 SiO.sub.1/2 siloxane units and SiO.sub.4/2 siloxane units in a molar ratio of 0.5/1 to 1.2/1. respectively, wherein R is a hydrocarbon or halogenated hydrocarbon radical: (ii) a diorganopolysiloxane polymer having at least two silicon-bonded alkoxy groups and at least one carbon-bonded amine group in its molecule, said polymer having a viscosity at 25.degree. C. of 20 to 100,000 centipoise, the weight ratio of said resin to said polymer being in the range 20:80 to 80:20; (iii) optionally, a hydrolyzable silane in sufficient amount to provide stability to said composition; and (iv) optionally, sufficient catalyst to accelerate the cure of said composition.

Abstract: A polish formulation containing as components thereof at least one member selected from the group consisting of waxes, solvents, surfactants, film formers, abrasives and other ingredients normally used in making polishes. The improvement resides in incorporating into the polish formulation as a film former a silylated polycycloaliphatic amine or epoxide.

Abstract: A polish composition which includes discrete particles of a highly cross-linked macroporous hydrophobic polymer. The particles are of a first predetermined average diameter, and the polymer particles have entrapped therein and dispersed uniformly throughout an active organosilicon ingredient. The composition also includes a coacervating agent mixed with the polymer particles in an amount sufficient to cause the polymer particles to collect forming dense clusters of coacervated particles of a second predetermined average diameter, the second predetermined average diameter being substantially in excess of the first predetermined average diameter.

Abstract: A method is described for providing a protective finish to a vinyl substrate by applying to the vinyl substrate a vinyl protectant composition. In one embodiment the composition is an abrasive free mixture of a film forming polysiloxane; a diluent; and a wax in the form of micronized particles having an average diameter of 3-12 microns. In another embodiment, the composition is a hydrocarbon solvent free mixture of a film forming polysiloxane; water; and an amorphous silica in the form of fumed silica particles having an average diameter of 7-30 nanometers.

Abstract: A polish formulation containing as components thereof at least one member selected from the group consisting of waxes, solvents, surfactants, thickening agents, abrasives, dyes, odorants and other ingredients normally used in making polishes. The improvement resides in incorporating into the polish formulation a derivatized amine functional organosilicon compound.

Abstract: A polish formulation containing as components thereof at least one member selected from the group consisting of waxes, solvents, surfactants, thickening agents, abrasives, dyes, odorants and other ingredients normally used in making polishes. The improvement resides in incorporating into the polish formulation a novel reactive amine functional silicone polymer.

Abstract: A polish formulation containing as components thereof at least one member selected from the group consisting of waxes, solvents, surfactants, thickening agents, abrasives, dyes, odorants and other ingredients normally used in making polishes. The improvement resides in incorporating into the polish formulation a novel reactive amine functional silicone polymer.

Abstract: An improved polish having improved rub-out characteristics results when a silylated polyether film former is incorporated into a conventional polish formulation. The silylated polyether contains at least one polyoxyalkylene block selected from the group consisting of polyoxyethylene and polyoxypropylene in its molecule wherein the polyoxyalkylene block is attached through an organic connecting group to a silicon atom bearing at least one hydrolyzable group. A preferred water-in-oil emulsion embodiment of the polish is particularly suitable for automotive or marine applications.

Abstract: A polish formulation containing as components thereof at least one member selected from the group consisting of waxes, solvents, surfactants, thickening agents, abrasives, dyes, odorants, and other ingredients normally used in making polishes. The improvement resides in incorporating into the polish formulation at least one wax in the form of micronized particles.

Abstract: This invention relates to an improved method of hydrolyzing hydridosilanes with 2 or more hydrolyzable groups which comprises forming an arylsulfonic acid hydrate containing reaction medium, adding the silane to the hydrolysis medium, facilitating hydrolysis of the silane to form the polyester, settling the hydrolysis medium and polymer into an acid layer and an organic layer containing the polymer, separating the organic layer from the acid layer, contacting the organic layer with a neutralizing agent, and removing the neutrailizing agent from the organic layer.