Abstract: The present invention relates to radiation curable silicone vinyl ethers and methods for preparing silicone vinyl ethers. More particularly, the present invention relates compositions containing vinyl ether functional silicones and to the preparation and use of silicone vinyl ethers which are curable by addition of photocleavable acids and exposure to ultraviolet or electron beam radiation.

Abstract: The present invention relates to compositions comprising vinyl ether functional siloxanes and aromatic iodonium salt or aromatic sulfonium salt photoinitiators which cure upon exposure to ultraviolet or electron beam radiation. The present invention further relates to use of these compositions in pressure sensitive release applications.

Abstract: The present invention relates to a method of preparing an aerosol suppressant composition and to use of the composition to reduce or suppress silicone mist in high speed coating processes and significantly increase the adhesion of the coating to the substrate. More particularly, the present invention relates to a method of preparing an aerosol suppressant composition by reacting an organosilicon compound, an oxyalkylene containing compound, and a catalyst. The composition, when added to curable silicone coatings, reduces the amount of silicone mist in high speed coating processes.

Abstract: The present invention relates to compositions comprising vinyl ether functional siloxanes and aromatic iodonium salt or aromatic sulfonium salt photoinitiators which cure upon exposure to ultraviolet or electron beam radiation. The present invention further relates to use of these compositions in pressure sensitive release applications.

Abstract: Hair care compositions are disclosed containing a combination of carboxyfunctional polydimethylsiloxane and a cationic, organic polymer. The compositions can be used as hair fixatives and as such may be formulated into aerosol, pump spray, lotion, cream or mousse type hair care products. The compositions are especially effective in providing flexible, long-lasting hold to hair styles.

Abstract: Novel organopolysiloxane compositions, which cure rapidly from the liquid to the non-liquid state when exposed to moisture, are used to rapidly coat a substrate, such as label release liner, with an adhesive-releasing coating. Curing of the liquid coating occurs in 5 seconds at room temperature in some cases. The organopolysiloxane compositions contain a large amount of a metal ester, such as tetraisopropyl titanate, dissolved in an organopolysiloxane fluid which has moisture-reactive, silicon-bonded alkoxysilylorganic radicals.

Abstract: A one-part silicone elastomeric composition that is flowable or easily extruded is prepared by mixing a hydroxyl endblocked polydiorganosiloxane, a difunctional silane having two amido radicals, and an organic peroxide suitable for vulcanizing silicone rubber. A nonacidic filler is optional. After being put in place, the composition is exposed to moisture to activate a chain extension reaction that increases the molecular weight of the polydiorganosiloxane, to improve the physical properties of the cured silicone elastomer. After chain extension has taken place, the composition is heated to activate the organic peroxide, thereby crosslinking the composition into a silicone elastomer. The composition is useful as a potting and encapsulating material.

Abstract: The specification describes a hair setting method that employs a hair fixative composition containing an aminoalkyl substituted polydiorganosiloxane as the effective component. The hair fixative composition may be formulated into aerosol, pump spray, lotion, cream or mousse type compositions for easy application to hair. The aminoalkyl substituted polydiorganosiloxane improves the curl retention of the hair after setting and provides conditioning to the hair.

Abstract: This invention relates to silicone pressure-sensitive adhesives having improved viscosity stability, film physical property stability upon aging and lap shear stability 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 0.1 to 10 moles of water per mole of .dbd.NH present in the endblocking agent, 0.

Abstract: What is disclosed is a method for treating water to inhibit corrosion and diminish mineral deposition using certain cationic silanes in a neutral or basic pH environment. An example of the method is the use of (CH.sub.3 O).sub.3 Si(CH.sub.2).sub.3 N.sup..sym. (CH.sub.3).sub.2 C.sub.18 H.sub.37 Cl.sup.- in a humidifier unit.

Abstract: Moisture-curable silicone compositions for adhesive-release coatings comprising an alkoxysilylorganosiloxane, a titanium ester and an aminoorganosiloxane have an adhesive-release force, when cured, which is directly related to the amount and type of aminoorganosiloxane. The compositions are useful for coating a flexible sheet material, such as paper or polymeric film, to provide a surface that will release pressure sensitive adhesive with a pre-selected release force of up to 400 g/in (154 N/m). Thin coatings of the composition cure in as little as 15 seconds when exposed to moisture.

Abstract: Moisture-curable silicone compositions for adhesive-release coatings comprising an alkoxysilylorganosiloxane, a titanium ester and an aminoorganosiloxane have an adhesive-release force, when cured, which is directly related to the amount and type of aminoorganosiloxane. The compositions are useful for coating a flexible sheet material, such as paper or polymeric film, to provide a surface that will release pressure sensitive adhesive with a pre-selected release force of up to 400 g/in (154 N/m). Thin coatings of the composition cure in as little as 15 seconds when exposed to moisture.

Abstract: A composition consisting essentially of (A) a polymer having at least one nitrogen-hydrogen bond; and (B) a readily hydrolyzable, anhydrous additive selected from the group consisting of titanates, zirconates, vanadates, germanates, and mixtures thereof is disclosed. The uniqueness of this invention is that the polymer is crosslinked upon exposure to moisture, such as water vapor but is reverted to noncrosslinked polymer after exposure to liquid water. Furthermore, the components can be stored together, in the absence of moisture, with no gelation.

Abstract: A composition comprising a hydroxyl endblocked polydiorganosiloxane, methylvinylsilyl-bis-pyrrolidone, and organic peroxide will simultaneously chain extend and crosslink when heated. The composition can be prepared with a low viscosity polydiorganosiloxane to yield a low viscosity composition useful for coating, impregnating, and forming operations. Because the polymer chain extends as well as crosslinks during cure, the physical properties of the cured elastomer are superior to those of a low viscosity polymer which is merely crosslinked to an elastomer.

Abstract: Compositions, stable in the absence of oxygen, are formed by mixing the following substantially in the absence of oxygen:(A) 100 parts by weight of at least one mercapto-functional organosiloxane containing at least two mercapto-functional substituents per molecule;(B) a catalytic amount of an iron carbonyl compound catalyst selected from the group consisting of Fe(CO).sub.5, Fe.sub.2 (CO).sub.9, Fe.sub.3 (CO).sub.12, dicyclopentadienyldiiron tetracarbonyl, butadieneiron tricarbonyl and cyclohexadieneiron tricarbonyl, preferably from 0.1 to 6 parts by weight of catalyst per 100 parts by weight of part (A);(C) optionally, at least one filler; and(D) 0.1 to 6 parts by weight per 100 parts by weight of a redox compound such as copper (II) sulfate or iron (III) oxide.The compositions polymerize or cure to form higher molecular weight products upon exposure to oxygen.

Abstract: Compositions which are stable in the absence of oxygen are obtained by mixing the following substantially in the absence of oxygen(A) 100 parts by weight of an ingredient selected from either (1) at least one mercapto-functional copolymer, said copolymer containing both silicon-free organic segments and organosiloxane segments or (2) a mixture of at least two different types of components selected from the following types (a) at least one copolymer as described in (A)(1) above, (b) at least one silicon-free mercapto-functional organic compound and (c) at least one mercapto-functional organosilane or organosiloxane;(B) 0 to 200 parts of at least one filler; and(C) a catalytic amount, preferably from 0.1 to 6 parts, of a metal carbonyl catalyst selected from the group consisting of Fe(CO).sub.5, Fe.sub.2 (CO).sub.9, Fe.sub.3 (CO).sub.12, dicyclopentadienyldiiron tetracarbonyl, butadieneiron tricarbonyl, cyclohexadieneiron tricarbonyl, Ni(CO).sub.4, dicyclopentadienyldinickel dicarbonyl, Mn.sub.2 (CO).sub.

Abstract: Oxygen curable compositions are provided by mixing mercaptoorganopolysiloxane, aliphatically unsaturated polydiorganosiloxane and a metal salt of a carboxylic acid, where the metal is iron, manganese, or nickel.

Abstract: Organopolysiloxanes which contain aliphatic unsaturation and silicon-bonded alkoxy groups where the alkoxy groups are present in the form of units such as ##STR1## wherein n is 2 to 4, m is 1 to 6, a is 0 or 1 and R is lower alkyl are useful as adhesion promoters for silicone elastomers.

Abstract: Mixing mercaptoorganopolysiloxanes with a stannous salt of a carboxylic acid, and optionally an organic peroxide and/or a filler, provides useful new compositions such as materials curable to elastomers at room temperature.

Abstract: Oxygen curable compositions are provided by mixing mercaptoorganopolysiloxanes with a metal salt of a carboxylic acid wherein the metal is iron, copper, cobalt, manganese, or nickel.