Patent ID: 8907038

Claim:
A process for producing a polymer composition, which comprises mixing and reacting: as component (A), an unsaturated group-containing siloxane compound of the following formula (1): wherein R 1 is a hydrogen atom or a C 1-20 hydrocarbon group, m is an integer of at least 3, a is an integer of from 0 to 10, and the siloxane structure is a chain or cyclic structure, as component (B), a siloxane compound having a structure of the following formula (2) wherein hydrogen is directly bonded to silicon, wherein R 2 is a C 1-20 hydrocarbon group, n is an integer of at least 3, and the siloxane structure is a chain or cyclic structure, as component (C), at least one member selected from the group consisting of organic metal compounds of Group 1, 2, 12, 13 and 14 metals of the periodic table, having a structure in which at least one carbon atom is directly bonded to a metal, and as component (D), a metal catalyst of Group 8, 9 or 10 metal of the periodic table.