Method for producing organopolysiloxane composition for resin adhesive oil seal and automobile oil seal

摘要

PROBLEM TO BE SOLVED: To provide a method for producing a resin adhesive organopolysiloxane composition for an oil seal, and an automobile oil seal obtained by curing the composition.SOLUTION: Provided is a method for producing a resin adhesive organopolysiloxane composition for oil seal, the composition comprising (A) an organopolysiloxane containing hydroxyl groups, (B) inorganic filler, (C) a compound selected from a ketene silyl acetal-type compound, a 2-methyldialkoxysilylpropionic acid ester, and a partially hydrolyzed compound of these, (D) a non-silicon-based compound and/or an organosilicon compound having a guanidine skeleton, (E) a partial hydrolysis condensate of an alkoxysilane compound, (F) a silane compound having a ketoxime group, (G) a silane coupling agent having N, S, or O, and (H) a specific amount of a curing catalyst, wherein before addition of the (F) component in the composition, the (C) and the (D) components are added, and dispersed and mixed.