| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an organo-modified silicone which can impart excellent mold releasability to a mold releasing agent for mold casting, and a mold releasing agent for mold casting comprising the same. <P>SOLUTION: Specified chain silicone is brought into addition reaction with specified monoolefin and/or aromatic hydrocarbon having an alkenyl group and specified di(meth)acrylic acid ester in the presence of a hydrosilylation catalyst in such a manner that specified molar ratio conditions are satisfied to obtain the organo-modified silicone which can impart excellent lubricity, i.e., mold releasability to a mold releasing agent for mold casting even in an aqueous solvent, in an oily solvent and under high temperature conditions. <P>COPYRIGHT: (C)2012,JPO&INPIT |
