| abstract |
[PROBLEMS] To provide a low viscosity, high thixotropy, etc., which can be thickened by a single coating, and the cured film obtained has excellent rubber strength and surface smoothness, and excellent antifouling performance for a long period of time. Provided are a method for producing an antifouling condensation-curable organopolysiloxane composition to be exhibited, a composition obtained by the method, and an underwater structure coated with a cured product of the composition. (A) A part or all of a diorganopolysiloxane having an unsubstituted or substituted monovalent hydrocarbon group not having a condensation curing reactive group bonded to a silicon atom, and (B) a part of silica. Or all of them, and then the remainder of components (A) and (B) and (C) a diorganopolysiloxane having a hydroxyl group and / or a hydrolyzable group bonded to two or more silicon atoms in one molecule (D) A method for producing an antifouling condensation-curable organopolysiloxane composition comprising mixing a silane having two or more hydrolyzable groups in one molecule and / or a partially hydrolyzed condensate thereof. [Selection figure] None |