Abstract: A laminate includes a backing material coated with a solvent resistant adhesive composition. The adhesive composition includes a hydroxyl or urea or hydrocarbon terminated unsaturated polyurethane or polyurethane-urea polymer and a peroxide or a silicone hydride.

Abstract: A solvent resistant adhesive obtained by the crosslinking of a hydroxyl or urea or hydrocarbon terminated unsaturated polyurethane or polyurethane-urea polymer with a peroxide or a silicone hydride. The adhesive is useful as a component in pressure sensitive adhesives.

Abstract: A laminate includes a backing material coated with a solvent resistant adhesive composition. The adhesive composition includes a hydroxyl or urea or hydrocarbon terminated unsaturated polyurethane or polyurethane-urea polymer and a peroxide or a silicone hydride.

Abstract: A silylated polymer contains repeating units derived from butadiene. The polymer when partially silylated is especially useful for pressure sensitive adhesives where it imparts superior solvent resistance performance thereto.

Abstract: This invention relates to a laminate having a facestock and silicone pressure sensitive adhesion compositions releasably adhered to a conventional silicone release coated liner.

Abstract: Blends of epoxy-functional silicone polymers with vinyl ether monomers and alkylphenol compounds plus an effective amount of a suitable iodonium photocatalyst provide a radiation-curable silicone release coating composition.

Abstract: Photosensitized silicones having the formula MDnDEmD*pM are provided, wherein M is selected from the group consisting of R3SiO1/2 and R2ESiO1/2; wherein each R is independently selected from the group consisting of monovalent hydrocarbon radicals having from 1 to 30 carbons, and E is an epoxide functionalized substituent selected from the group of epoxy either substitutents having the formula C6H11O2 or the group of alkyl cyclohexeneoxide substituents having the formula C8H13O; D has the formula R2SiO2/2, wherein each R is independently selected from the group consisting of monovalent hydrocarbon radicals having from 1 to 30 carbons; DE has the formula RESiO2/2 wherein R is selected from the group consisting of monovalent hydrocarbon radicals having from 1 to 30 carbon atoms, and wherein E is an epoxide functionalized substituent selected from the group of epoxy ether substituents having the formula C6H11O2 or the group of alkyl cyclohexeneoxide substituents having the formula C8H13O; D* is defined as the rea

Abstract: Carbinol functionalized silicones provide improved release properties to epoxy silicone photo-curable release compositions, by co-photo-curing with the epoxy functionalized silicone.

Abstract: Oxo acids having the formula:HOOC(((CH2).sub.s O).sub.t ((CH2).sub.u O).sub.v R"where R" is a monovalent radical selected from the group consisting of hydrogen, one to forty carbon alkyl, alkylene, alkynylene, aromatic, alkylaromatic or carboxyl groups and the subscripts s, t, u and v are zero or positive subject to the limitation that at least s and t or u and v must be positive reacted with epoxy functional silicones according to scheme: ##STR1## at a molar level that is less than stoichiometric with respect to the epoxy functionality present improve the miscibility of certain photo-catalysts in the epoxy functional silicone.

Abstract: Blends of epoxysilicone polymers and vinyl ether monomers or oligomers and an effective amount of a suitable iodonium photocatalyst provide an ultraviolet curable low viscosity silicone coating composition.

Abstract: A thin fluorosilicone elastomer coating which prevents oil weepage problems with silicone rubber gaskets wherein the fluorosilicone elastomer coating contains a vinyl-containing fluorosilicone polymer cured with a hydrogen-containing siloxane/platinum group hydrosilation catalyst curing system used in combination with a peroxide curing agent.

Abstract: Epoxysilicone polymers partially or completely functionalized by a fluorescent, photo-sensitizing, or simultaneously fluorescing and photo-sensitizing substituent bonded to the silicone polymer by means of a carbon oxygen carbon bond provide fluorescent dye marking compounds for silicone compositions that are particularly useful in determining the quality of release coatings made therewith.

Abstract: The invention relates to silicone-polyether linear block copolymers of the formula ##STR1## wherein, R is hydrogen or a C.sub.(1-8) alkyl, alkoxyl or haloalkyl radical or a monovalent epoxy-functional organic radical;R.sup.1 is hydrogen or a C.sub.(1-8) alkyl or alkoxyl radical, or a monovalent epoxy-functional organic radical;provided that at least two R or R.sup.1 groups are either hydrogen or monovalent epoxy-functional organic radicals;R.sup.2 is a divalent alkylene radical;R.sup.3 is a C.sub.(2-6) alkyl or alkoxyl radical;n is a positive integer of about 4 to about 400;m is a whole number of from 0 to about 50; and,each of R, R.sup.1, R.sup.2, and R.sup.3, may be unsubstituted or substituted The invention also relates to UV-curable compositions comprising the above-described compound, with or without a UV-detectable dye marker, and a process for making such a compound.

Abstract: Epoxysilicone polyether block copolymers, when combined with certain sulfonium photocatalysts, provide one-component shelf-stable UV curable compositions. Non-polyether containing epoxy silicones form one part UV curable compositions with sulfonium salt solubilized in the presence of fluoroalcohols.

Abstract: Photocurable silicone compositions are provided which utilize an epoxy functional silicone fluid having chloroalkyl radicals attached to silicon by carbon-silicon bonds. Cure of the epoxy functional silicone fluid is achieved with a photodecomposable diaryliodonium hexafluoro(Group VA.) salt such as diphenyliodoniumhexafluoroantimonate. The photocurable silicone compositions can be applied and photocured on to various substrates, such as a thermoplastic substrate as a release coating.

Abstract: Radiation active silicon compounds and a method of producing the same are disclosed which have functional groups selected from either or both of mercaptan or --CHR.sup.1 .dbd.CR.sup.1 H joined to a silicon atom through a thioether linkage. Further disclosed are radiation curable compositions containing the radiation active silicon compounds.

Abstract: Epoxysilicone polyether block copolymers, when combined with certain sulfonium photocatalysts, provide one-component shelf-stable UV curable compositions. Non-polyether containing epoxy silicones form one part UV curable compositions with sulfonium salt solubilized in the presence of fluoroalcohols.

Abstract: Blends of high viscosity epoxysilicone polymers prepared from pre-crosslinked silicones with polyalkylsiloxy polymers containing long chains of non-functionalized polyalkylsiloxy groups and an effective amount of a suitable iodonium photocatalyst provide an ultraviolet curable low release silicone coating composition.

Abstract: The invention provides a process for producing epoxy-functional silicones by a rhodium metal complex-catalyzed hydrosilation reaction between an SiH-containing silane or siloxane and an olefin epoxide, in the presence of a tertiary amine stabilizer. In practicing the invention, RhCl.sub.3 [(CH.sub.3 (CH.sub.2).sub.3).sub.2 S].sub.3 or PtCl.sub.2 [(CH.sub.3 CH.sub.2).sub.2 S].sub.2 are suitable hydrosilation catalysts and methyldicocoamine, CH.sub.3 (C.sub.18 H.sub.37).sub.2 N, is a suitable stabilizer. The invention also provides for a composition including an SiH-functional silane or siloxane, and a tertiary amine, where the composition is not susceptible to gelation during a hydrosilation addition reaction. The invention further provides a method for stabilizing epoxysilicones both during and after the hydrosilation addition reaction used in their production.

Abstract: Epoxy functional silicone materials incorporating vinyl containing multifunctional resins form control release additives when the resins are first partially crosslinked by means of a hydrosilation reaction with a low molecular weight SiH silicone fluid and the reaction product is reacted with an epoxy containing material in a second hydrosilation reaction. The resulting materials function as control release additives in pressure sensitive adhesives.