| 摘要 |
<p>A silicone type cinnamic acid derivative which is a siloxane having at least one unit represented by the formula (I): <CHEM> and having the other units which may exist in the siloxane being represented by the formula: O(4-m)/2SiR<3>m wherein R<1> represents an alkyl group having 1 to 4 carbon atoms, a phenyl group, or a trimethylsiloxy group, R<2> is a divalent hydrocarbon group having at least two carbon atoms, which may include a heteroatom O, X is an alkoxy group, n is an integer of 0 to 3, a is an integer of 2 or 3, R<3> is an alkyl group having 1 to 4 carbon atoms, a phenyl group, or a trimethylsiloxy group, and m is an integer of 0 to 3.</p> |
