Abstract: The invention relates to a method of contacting two components to form a pressure-sensitive adhesive (PSA) construction, wherein the first component comprises a conventional PSA and an aminoxysilicon compound and a second component comprises the same PSA and an amidosilicon compound. The method provides improved adhesive bond strength over an unmodified PSA construction.

Abstract: The invention relates to a method of contacting two components to form a pressure-sensitive adhesive (PSA) construction, wherein the first component comprises a conventional PSA and an aminoxysilicon compound and the second component comprises the same PSA and an amidosilicon compound. The method provides improved adhesive bond strength over an unmodified PSA construction.

Abstract: The invention relates to a method of contacting two components to form a pressure-sensitive adhesive (PSA) construction, wherein the first component comprises a conventional PSA and a hydroxy-functional diorganopolysiloxane and the second component comprises the same PSA and an acyloxysilane. The method provides improved adhesive bond strength over an unmodified PSA construction.

Abstract: The invention relates to a method of contacting two components to form a pressure-sensitive adhesive (PSA) construction, wherein the first component comprises a conventional PSA and a liquid copolymeric organopolysiloxane and the second component comprises the PSA and a cure agent for the liquid copolymeric organopolysiloxane. The method provides improved adhesion over the unmodified PSA as measured by bond strength and/or the percentage of cohesive failure of the construction, which bond strength generally increases with the passage of time.

Abstract: The invention relates to a method of contacting two components to form a pressure-sensitive adhesive (PSA) construction, wherein the first component comprises a conventional PSA modified with an alkoxy-functional silicon compound and the second component comprises the same PSA modified with a cure agent for the alkoxy-functional silicon compound. The method provides improved adhesive bond strength over the unmodified PSA which generally increases with time.

Abstract: A gasket of a nonwoven sheet material, and a coating composition on at least one side of the nonwoven sheet material. The coating composition is a reaction product of a vinyl functional polydimethylsiloxane, a trimethylsiloxy silica terpolymer, a reactive diluent, and a catalyst. The reactive diluent can be a methyl vinyl cyclic siloxane having the formula (MeViSiO).sub.n wherein n is an integer of from three to five, Me is methyl, and Vi is vinyl.

Abstract: A method of laundering textiles is disclosed wherein amidofunctional silicone is dispersed in the rinse water to improve the flow of water out of the textiles during the subsequent spin-separation of water. The resulting textiles contain less residual water and can be dried more rapidly and energy efficiently. The useful amidofunctional silicones are characterized as having an average of 40 to 600 siloxane units per molecule with 1 to 25 of the siloxane units per molecule containing an amidoalkyl substituent.

Abstract: The invention relates to a method of contacting two components to form a pressure-sensitive adhesive (PSA) construction, wherein the first component comprises a conventional PSA and a liquid organohydrogenpolysiloxane and the second component comprises the same PSA and a cure agent for the liquid organohydrogenpolysiloxane. The method provides improved adhesive bond strength over the unmodified PSA, which bond strength generally increases with the passage of time.

Abstract: A method for the cathodic protection of a metal object is disclosed. The object is coated with a resin-containing curable silicone composition which contains a minor portion of a triorganosiloxy endblocked diorganopolysiloxane. After the silicone composition is cured, the object is maintained at a negative potential relative to an electrically conductive environment by a current source means. The compositions of the present invention have been found to exhibit significant improvement with respect to cathodic disbondment relative to similar silicone compositions of the prior art.

Abstract: A method of laundering textiles is disclosed wherein aminofunctional silicone is dispersed in the rinse water to improve the flow of water out of the textiles during the subsequent spin-separation of water. The resulting textiles contain less residual water and can be dried more rapidly and energy efficiently. The useful aminofunctional silicones are characterized as having either an average of 25 to 125 siloxane units per molecule with 4 to 15 percent of the siloxane units being aminoalkyl substituted or an average of 400 to 600 siloxane units per molecule with 1 to 15 percent of the siloxane units being aminoalkyl substituted.

Abstract: This invention relates to a method of permanently bonding surfaces coated with elastoplastic organopolysiloxane resin or polytetrafluoroethylene resin. The method of bonding these difficult to adhere surfaces consists essentially of applying to the surface sufficient adhesive to yield at least a 0.1 mm coating of an adhesive comprising the product obtained by mixing (i) 9 to 70 percent by weight of a solid benzene soluble silicone resin copolymer, (ii) 30 to 91 percent by weight of a hydroxyl endlblocked polydiorganosiloxane gum having a viscosity of greater than 10,000 Pa.sup.. s, (iii) an organohydrogenpolysiloxane compatible with (i) and (ii), (iv) a soluble tin catalyst, and (v) a non-reactive solvent. The applied adhesive is allowed to become tacky, then the tacky surfaces are placed firmly together and allowed to cure.

Abstract: This invention relates to silicone pressure-sensitive adhesives having improved viscosity stability and film physical property stability upon aging by a method comprising the condensation of a benzene-soluble resin copolymer of 0.6 to 0.9 triorganoxiloxy units per SiO.sub.4/2 unit which contains silicon-bonded hydroxyl radicals and a polydiorganosiloxane preferably containing silicon-bonded hydroxyl or other hydrolyzable endblocking radicals with a sufficient amount of an endblocking agent containing endblocking triorganosilyl units such as hexamethyldisilazane or trimethylmethoxysilane to result in a 1:0.8 to 1:3 mole ratio of silicon-bonded hydroxyl radicals and hydrolyzable endblocking radicals to total moles of triorganosilyl units provided by the endblocking agent.

Abstract: This invention relates to silicone pressure-sensitive adhesives having improved viscosity stability, film physical property stability upon aging and lap shear stability (hold time) made by a method comprising the condensation of a benzene-soluble resin copolymer of 0.6 to 0.9 triorganosiloxy units per SiO.sub.4/2 unit which contains silicon-bonded hydroxyl radicals and a polydiorganosiloxane preferably containing silicon-bonded hydroxyl or other hydrolyzable endblocking radicals with a sufficient amount of an ammonia releasing endblocking agent containing endblocking triorganosilyl units such as hexamethyldisilazane to result in a 1:0.8 to 1:3 mole ratio of silicon-bonded hydroxyl radicals and hydrolyzable endblocking radicals to total moles of triorganosilyl units provided by the endblocking agent. The condensation is conducted with heating at 80.degree. C.-160.degree. C. in the presence of 0.5 to 10 moles of water per mole of .dbd.

Abstract: Silicone compositions are disclosed which comprise a liquid silicone resin, a vinyl-containing silicone resin, a siloxane polymer, and a hydrosilylation catalyst. The compositions cure to give unusually strong, fuel resistant coatings and elastomers.

Abstract: Carboxyfunctional silicone coating compositions are disclosed. These compositions can be coated and cured upon various substrates to furnish smooth, tough, protective, cleanable surfaces. The compositions comprise: (A) a certain liquid copolymeric polyorganosiloxane; (B) a carboxyfunctional silicone; and (C) a catalyst.

Abstract: Compositions that cure rapidly to produce silicone foams and protective coatings are disclosed. These compositions comprise: (A) a certain liquid copolymeric polyorganosiloxane; and (B) an amino functional silicone polymer. For example, simple mixtures of the liquid copolymeric polyorganosiloxane and a polydiorganosiloxane having aminoalkyl substituents can be mixed together to form a resilient silicone foam. If the foam compositions are further provided with certain mineral fillers, a high degree of fire resistance is attained.

Abstract: Hydrocarbon liquid resistant fluorosilicones are disclosed. The fluorosilicones comprise: (A) the reaction product of (i) a certain organosilicon resin consisting essentially of R.sub.3 SiO.sub.1/2 units and SiO.sub.4/2 units wherein R is a monovalent hydrocarbon radical, and (ii) a polyorganohydrogensiloxane; (B) a fluorosilicone containing vinyl radicals or hydroxyl radicals; and (C) a catalyst.

Abstract: Compositions that cure rapidly to produce silicone foams and protective coatings are disclosed. These compositions comprise: (A) a certain liquid copolymeric polyorganosiloxane; and (B) an amino functional silicone polymer. For example, simple mixtures of the liquid copolymeric polyorganosiloxane and a polydiorganosiloxane having aminoalkyl substituents can be mixed together to form a resilient silicone foam. If the foam compositions are further provided with certain mineral fillers, a high degree of fire resistance is attained.

Abstract: Homogeneous compositions comprising certain liquid silicone resins, certain silicon-free, film-forming organic polymers and a compatibilizing liquid and a method for preparing preferred homogeneous compositions wherein the compatibilizing liquid is water are disclosed. The homogeneous compositions are useful for coating a substrate to provide a water-resistant coating on the substrate which can function, for example, as a protective coating or as an adhesive-release coating and; accordingly, a method for coating a substrate, such as paper, is also disclosed.

Abstract: Curable silicone compositions are disclosed which comprise a liquid copolymeric organopolysiloxane comprising SiO.sub.2 and silicon-bonded hydroxyl radicals and/or silicon-bonded hydrogen radicals in varying amounts and a polydiorganosiloxane containing silicon-bonded vinyl radicals and/or silicon bonded hydroxyl radicals. The curable silicone compositions are useful as coatings for substrates.