Patent ID: 7553901

Claim:
A room temperature-curable silicone rubber composition for electric and electronic part protection comprising: (A) 100 parts by weight of an organopolysiloxane of formula (1): wherein R 1 is hydrogen or a substituted or unsubstituted monovalent hydrocarbon group, R 2 is a substituted or unsubstituted monovalent hydrocarbon group, Z is an oxygen atom or divalent hydrocarbon group, a is 0, 1 or 2, and n is an integer of at least 10, (B) 1 to 50 parts by weight of an organosilicon compound of formula: R 3 b SiX 4-b wherein R 3 is substituted or unsubstituted monovalent hydrocarbon group, X is a hydrolyzable group, and b is 0, 1 or 2, or a partial hydrolytic condensate thereof, and (C) 0.1 to 20 parts by weight of at least one non-aromatic amino-bearing compound selected from the group consisting of propanediamine, 1,2-diaminocyclohexane, N′-[3-(trimethoxysilyl)-propyl]diethylenetriamine, and tris(2-aminoethyl)amine.