| 摘要 |
The invention provides an organopolysiloxane shown by the following formula (1); such that each R1 independently represents a group selected from an alkyl group having 1 to 30 carbon atoms and optionally substituted with a fluorine atom, an aryl group having 6 to 30 carbon atoms, and an aralkyl group having 7 to 30 carbon atoms; each R2 independently represents a divalent organic group having 2 to 15 carbon atoms and optionally intervened with an oxygen atom; and each R3 independently represents a group selected from a polyoxyalkylene group shown by the following formula (2),—(C2H4O)a(C3H6O)b(C4H8O)c(C5H10O)dR4 (2) a hydrogen atom, and a group shown by the following formula (3), wherein at least one of R3 in one molecule is the polyoxyalkylene group shown by the formula (2) with m representing an integer of 0 to 300 and n representing an integer of 1 to 10.
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