Patent ID: 7834073
Filing Date: 2010-11-16
Classification: C07F,C08J,Y10T

Abstract:
1. A stable solution comprising: at least one lower alcohol; at least one stabilizer; and at least one hydrosalt of an organic acid with a N-substituted aminopolysiloxane of formula (I) wherein each R is independently benzyl or vinylbenzyl, each Y is independently alkoxy, hydroxyl or O A is an organic carboxylic acid, a is 0, 1 or 2, b is 0 or 1, c is greater than or equal to 0.125, (a+b) is from 0.125 to 3, and x is equal to or greater than 2; and the at least one hydrosalt of an organic acid with a N-substituted aminopolysiloxane of formula (I) comprises a T structural unit of the formula: wherein R′ is [R wherein z≧1, a is 0, 1 or 2, and b is 0 or 1; a % by weight of chloride based on the total weight of the solution is less than 1%, and the at least one stabilizer is selected from the group consisting of 3,5-di-tert-butylcatechol, 2,5-di-tert-butylhydroquinone, 4-tert-butylpyrocatechol, 2,4-di-tert-butylphenol, hydroquinone monomethyl ether, 2,6-di-tert-butyl-p-cresol and a mixture thereof.