| 摘要 |
PROBLEM TO BE SOLVED: To provide a quaternary ammonium organopolysiloxane polymer and a method for producing it. SOLUTION: This method for producing an organopolysiloxane with quaternary ammonium group and containing a unit expressed by general formula (1'): -[R<2> -(SiR2 -O)b -SiR2 -R<2> -N<+> R<1> 2 ]<n> -.nX<-> (where R, R<1> , X<-> , R<2> , b and n each has a meaning described in the claim 1) comprises reactingα,ω-epoxy-terminated organopolysiloxane with a nitrogenous compound selected among a primary amine, a secondary amine and a salt of a secondary amine.
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