| 摘要 |
CURABLE SILICONE COMPOSITIONS AND PROCESSES A room temperature vulcanizable silicone composition free of plasticizing fluid and curable to a low modulus silicone rubber upon exposure to moisture, comprising: (A) 100 parts by weight of an organopolysiloxane wherein the silicon atoms at the polymer chain ends are terminated with at least two alkoxy radicals, said organopolysiloxane having a viscosity ranging from about 20,000 centipoise to about 500,000 centipoise at 25.degree.C; (B) up to 100 parts by weight filler per 100 parts by weight of organopolysiloxane, there being present at least 5 parts by weight of reinforcing filler, or 20 parts by weight of extending filler, or mixture thereof; (C) from 0.05 to 5 parts by weight of an adhesion promoter per 100 parts by weight of organopolysiloxane; and (D) an effective amount of condensation catalyst. |
