ADDITIVE ORGANOPOLYSILOXANE COMPOSITION, CURABLE COMPOSITION, AND FILM

• Main Authors: CRAY STEVE, MITCHELL TIM, NG SZE-SZE, RICH DAVE, BEKEMEIER TOM, DEHLIN LORI
• Format: Patent
• Language: Chinese; English
• Published: 17.04.2020
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF MATERIALS AS ADHESIVES; USE OF MATERIALS THEREFOR; WOODSTAINS

An (A) additive organopolysiloxane composition is disclosed which comprises (A1) a branched organopolysiloxane polymer comprising M, D and Q siloxy units and (A2) a silicone resin. The (A) additive organopolysiloxane composition has a content of aliphatically unsaturated groups of from 1.5 to 7.0 wt.%. A curable composition is also disclosed, the curable composition comprising the (A) additive organopolysiloxane composition, (B) an organosilicon compound having at least two silicon-bonded hydrogen atoms per molecule, and (C) a hydrosilylation catalyst. A method of preparing the curable and a method of forming a film with the curable composition are also disclosed. 一种(A)加成性有机聚硅氧烷组合物包含(A1)包含M、D和Q甲硅烷氧基单元的分枝的有机聚硅氧烷聚合物和(A2)有机硅树脂。该(A)加成性有机聚硅氧烷组合物具有1.5至7.0wt.％的脂肪族不饱和基团含量。一种可固化组合物包含(A)加成性有机聚硅氧烷组合物，(B)每分子具有至少两个硅键合氢原子的有机硅化合物；和(C)氢化硅烷化催化剂。还公开了一种制备该可固化组合物的方法和一种用可固化组合物形成薄膜的方法。