abstract |
Disclosed is a dealcohol-type two-component mixed organopolysiloxane composition that is excellent in fast curability and deep curability. A two-component mixed organopolysiloxane composition that cures by mixing the following first and second compositions. (A) an organopolysiloxane of formula (1), (B) a compound selected from a ketene silyl acetal type compound of the formula (2), 2-methyl dialkoxysilyl propionic acid ester of the formula (3) and partial hydrolysates thereof, (C) an organic compound and / or a silane compound having one or more nitrogen atoms in the molecule, (D) a silane compound of the formula (4) or a partial hydrolysis condensate thereof, (E) a first composition containing a compound selected from a ketene silyl acetal type compound of formula (5), 2-trialkoxysilylpropionic acid ester of formula (6) and partial hydrolysates thereof, (F) an organopolysiloxane of formula (7), (G) organotin catalyst, (H) The 2nd composition formed by containing water. [Selection figure] None |