Quaternary substituted bleach activators

Details Quaternary substituted bleach activators Quaternary substituted bleach activators

C - Chemistry, Metallurgy

07

D

C07D 223/10 (2006.01) C07D 211/76 (2006.01) C11D 3/386 (2006.01) C11D 3/39 (2006.01)

Patent

CA 2244021

The invention provides quaternary-substituted bleach activators of the general formula (E-(Ar')m(CH2)n-C(O)-L)(Ya-)1/a wherein L is selected from caprolactam and valerolactam; E is selected from the group consisting of R3N+, R2(C6H5CH2)N+, R2(C6H5CH2)2N+, R2(Np)N+, and mixtures thereof; R is independently selected from the group consisting of methyl, ethyl, propyl, butyl, phenyl, benzyl, and mixtures thereof; Np is 1-naphthylmethylene or 2-naphthylmethylene; Ar' is (C6H4); m is 0 or 1; n is from 0 to about 12, provided that when m is 0, n is not less than 2; Y is a charge balancing compatible anion selected from the group consisting of chloride, bromide, phosphate, sulfate, isethionate, methansulfonate, ethansulfonate, benzenesulfonate, p-toluenesulfonate, cumenesulfonate, xylenesulfonate, naphthalene sulfonate, methyl sulfate, ethyl sulfate, octyl sulfate, terephthalate, polyacrylate having a molecular weight of from about 1,000 to about 4,500, polymaleate having a molecular weight of from about 1,000 to about 4,500, poly(acrylate-comaleate) having a molecular weight of from about 1,000 to about 4,500, benzoate, naphthoate, p-toluate, and mixtures thereof and a is 1 or higher.

L'invention porte sur des activateurs de blanchiment avec substitution quaternaire, de formule générale (E-(Ar')m(CH2)n-C(O)-L)(Ya-)1/a, où L est choisi parmi le caprolactame et le valérolactame; E est choisi dans le groupe constitué de R3N+, R2(C6H5CH2)N+, R2(C6H5CH2)2N+, R2(Np)N+ et leurs mélanges; R est choisi indépendamment dans le groupe constitué de méthyle, éthyle, propyle, butyle, phényle, benzyle ou leurs mélanges; Np est le1-naphtylméthylène ou le 2-naphtylméthylène; Ar' est (C6H4); m est 0 ou 1; n est 0 à 12 environ, à la condition que lorsque m est 0, n n'est pas inférieur à 2; Y est un anion compatible pour l'équilibrage de charge, choisi dans le groupe constitué des éléments suivants : chlorure, bromure, phosphate, sulfate, iséthionate, méthansulfonate, éthanesulfonate, benzènesulfonate, p-toluènesulfonate, cumènesulfonate, xylènesulfonate, naphtalènesulfonate, sulfate de méthyle, sulfate d'éthyle, sulfate d'octyle, téréphtalate, polyacrylate avec une masse molaire d'environ 1000-4500, polymaléate avec une masse molaire d'environ 1000-4500, poly(acrylate-comaléate) avec une masse molaire d'environ 1000-4500, benzoate, naphtoate, p-toluate, et leurs mélange. Enfin a est supérieur ou égal 1.

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