A resin composition including a silicon-containing resin component and a solvent, the silicon-containing resin component includes (I) mentioned below, the solvent including at least one of a terpene compound having at least one of a hydroxy group and an acetoxy group, and a cyclic skeleton-containing acetate compound (excluding the terpene compound): (I) a polysilane-polysiloxane resin having a polysilane structure and a polysiloxane structure.

Provided is a curable organopolysiloxane composition from which highly heat-resistant cured products can be obtained, the curable organopolysiloxane composition comprising: (A) 100 parts by mass of a novel organopolysiloxane represented by formula (1) ##STR00001##
(R.sup.1 is an alkyl group or an alkoxy substituted alkyl group having 1 to 6 carbon atoms, R.sup.2 is a group selected from an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, and a group in which a portion of the hydrogen atoms of those groups is substituted with a halogen atom, Ar is an arylene group having 6 carbon atoms or more, a is 1 to 1,000, b is 1 to 5,000, and n is 1 to 3, the total of n in an unsubstituted or substituted alkoxysilyl group on both ends of the molecular chain being 3 or more); and (B) 0.01 to 10 parts by mass of a curing catalyst. Also provided are electrical and electronic components, a vehicle oil seal, a building sealant, etc. which use the cured product of the composition.

The present invention is a resin composition including: (A) an epoxy resin; (B) an epoxy compound shown by the following formula (1) and/or formula (2); (C) a phenolic curing agent; and (D) a curing accelerator, ##STR00001##
wherein A represents a single bond or a divalent organic group selected from the following formulae. ##STR00002## This provides a resin composition with improved strength and excellent adhesion and flexibility, a resin film with improved strength formed from the composition, a semiconductor laminate containing the cured material of the resin film and a method for manufacturing the same, as well as a semiconductor device into which the semiconductor laminate is diced and a method for manufacturing the same.

Polymeric compositions useful in preventing the frost or ice deposition in the surface of wind turbine generator blades present in a cold climates or high altitude are provided. In addition to the anti-icing capacity, the polymeric composition prevents the deposition of dirt, i.e. it has self-cleaning properties.

The present invention provide a composition comprising: a polyacrylate-polysilane block copolymer of structure (I) and an organic polymer which is different from the block copolymer of formula (I) wherein m and n independent of one another, are integers ranging from 2 to 4000; p is an integer ranging from 0 to 5; q is an integer ranging from 1 to 5; R.sub.1 represents hydrogen, straight-chain or branched alkyl group having 1 to 4 carbon atoms; R.sub.2 represents hydrogen, straight-chain or branched alkyl group having 1 to 18 carbon atoms; R.sub.3 represents hydrogen, hydroxyl group, straight-chain or branched alkyl group having 1 to 4 carbon atoms, or an C.sub.6-C.sub.14-aryl group; L is a single bond or a bivalent group NH, C(O)NH, NHC(O)NH, OC(O)NH or CH.sub.2; R.sup.4, R.sup.5 and R.sup.6 independent of one another, represent hydrogen, straight-chain or branched alkyl group having 1 to 8 carbon atoms or a polydimethylsiloxane residue; and R.sup.7 represents hydrogen or methyl group. ##STR00001##

The present invention provide a composition comprising: a polyacrylate-polysilane block copolymer of structure (I) and an organic polymer which is different from the block copolymer of formula (I) wherein m and n independent of one another, are integers ranging from 2 to 4000; p is an integer ranging from 0 to 5; q is an integer ranging from 1 to 5; R.sub.1 represents hydrogen, straight-chain or branched alkyl group having 1 to 4 carbon atoms; R.sub.2 represents hydrogen, straight-chain or branched alkyl group having 1 to 18 carbon atoms; R.sub.3 represents hydrogen, hydroxyl group, straight-chain or branched alkyl group having 1 to 4 carbon atoms, or an C.sub.6-C.sub.14-aryl group; L is a single bond or a bivalent group NH, C(O)NH, NHC(O)NH, OC(O)NH or CH.sub.2; R.sup.4, R.sup.5 and R.sup.6 independent of one another, represent hydrogen, straight-chain or branched alkyl group having 1 to 8 carbon atoms or a polydimethylsiloxane residue; and R.sup.7 represents hydrogen or methyl group. ##STR00001##

A sealing composite includes a molecular formula as follows:

##STR00001##

and a ratio of x to y ranges from 0.25 to 10. A sealing composite material having a self-healing property is achieved by introducing a hydrogen bond between an amine group and a carboxylic acid group.

UV curable adhesive compositions are provided that include 1) a UV curable poly(meth)acrylate copolymer containing monomeric units having an epoxy group wherein the poly(meth)acrylate copolymer has a glass transition temperature between 30 C. and 10 C., 2) a silsesquioxane polymer having epoxy-containing groups, and 3) a photocatalyst. UV cured adhesive compositions and adhesive tapes containing the cured adhesive compositions are also provided. The cured adhesive compositions are pressure sensitive adhesives.

A personal care composition is disclosed comprising from 1 to 90% by weight of a hydrocarbon oil of an average carbon chain length with 8 or higher carbon atoms; a blend of silicone elastomer and solvent; and a cosmetically acceptable carrier; wherein the solvent is a volatile silicone oil selected from octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, blends of methyl trimethicone and dimethicone and mixtures thereof; and wherein the silicone elastomer has the chemical structure of formula I.

A water swellable cross-linked elastomer and method of preparation is provided. The elastomer can advantageously be included in skin treatment compositions. Swellable elastomers in accordance with the invention are particularly well suited for inclusion in skin tightening cosmetic products. The elastomers can be formulated to form a film. When applied to skin, an elastomer in accordance with preferred embodiments of the invention can adhere to the skin and shrink as it dries. This can provide a skin tightening, lifting and wrinkle smoothening effect upon drying. This effect can temporarily mask the appearance of wrinkles.