| abstract |
(57) [Summary] [Object] To provide a novel polyorganosiloxane having at least two hydroxyphenyl groups at one end of a molecular chain. [Structure] General formula: (In the formula, R is the same or different monovalent hydrocarbon group containing no aliphatic unsaturated bond, A is a substituted or unsubstituted hydroxyphenyl group, and B is an alkylene group having 2 or more carbon atoms. Or an alkyleneoxyalkylene group, m is 0 or 1, and n is an integer of 1 to 400). |