Abstract: A compound that is 2,2,4,4-tetrasilylpentasilane, chemical compositions comprising same, methods of making and purifying 2,2,4,4-tetrasilylpentasilane, the purified 2,2,4,4-tetrasilylpentasilane prepared thereby, and methods of forming silicon-containing materials using 2,2,4,4-tetrasilylpentasilane as a precursor.

Abstract: A method for preparing a thermoplastic elastomer is disclosed, said method comprising (I) mixing (A) a rheologically stable polyamide resin having a melting point or glass transition temperature of 25° C. to 275° C., (B) a silicone base comprising (B′) 100 parts by weight of a diorganopolysiloxane gum having a plasticity of at least 30 and having an average of at least 2 alkenyl radicals in its molecule and (B″) 5 to 200 parts by weight of a reinforcing filler,  the weight ratio of said silicone base to said polyamide resin being greater than 35:65 to 85:15, (C) 0.