| 摘要 |
Provided is a room temperature curable organopolysiloxane composition, including (A) 100 parts by mass of a diorganopolysiloxane with both terminals blocked with silanol groups, or a diorganopolysiloxane with each terminal blocked, independently, with a trialkoxysilyl group or a dialkoxyorganosilyl group, or a mixture thereof, (B) 0.1 to 30 parts by mass of a silane compound and/or a partial hydrolysis-condensation product thereof containing an average of at least two hydrolysable groups bonded to silicon atoms within each molecule, and in which the remaining groups bonded to silicon atoms are methyl groups, ethyl groups, propyl groups, vinyl groups, or phenyl groups, and (C) 0.1 to 10 parts by mass of either one, or two or more organosilicon compounds containing amino groups, and also containing four or more hydrolysable groups. Also provided are a sealing material and an adhesive including the above composition. Further provided are a process for sealing an adherend with a cured product of the above sealing material and a process for bonding two adherends with a cured product of the above adhesive. The room temperature curable organopolysiloxane composition yields a cured product that exhibits excellent adhesion when exposed to hot water vapor and following such exposure, and suffers minimal evaporation residues derived from the cured product.
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