KR930019810A - Water-Soluble Polymers Useful in Detergent Compositions for Automatic Dishwashers - Google Patents

Abstract

The present invention relates to a method of improving the drip and film forming properties of hard surface detergents, in particular detergent formulations for automatic dishwashers. Droplet and film forming properties of detergent formulations include the introduction of copolymers containing (a) one or more C ₃ -C ₆ monoethylenically unsaturated carboxylic acids and (b) one or more aminoacryloyl derivatives as polymerized units into the detergent formulations. By improving.

Description

Water-soluble polymers useful in detergent compositions for automatic dishwashers.

Since this is an open matter, no full text was included.

Claims (22)

Detergent for automatic dishwasher by adding one or more water-soluble copolymers containing 60-95 wt% of the following component (a) and 5-40 wt% of the following component (b) as polymerized units to the detergent dish for automatic dishwasher A method of improving the droplet and film forming properties of a formulation, (a) one or more C ₃ -C ₆ monoethylenically unsaturated carboxylic acids; (b) one or more aminoacryloyl derivatives selected from the group consisting of (iii) and (ii); (Iii) compounds of the following general formula; In the above formula, R ₁ is hydrogen or methyl; A is oxygen (O) or NH; R ₂ and R ₃ are each selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl and isobutyl, or R ₂ and R ₃ together with the carbon to which they are all attached C Forms a ₃ -C ₇ aliphatic ring; M is 0, 1 or 2, but when M is 0, there is a CN bond in place of the (CH ₂ ) _M group; R ₄ and R ₅ are each selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl and isobutyl, or R ₄ and R ₅ together with the carbon to which they are all attached C Forms a _3- C ₇ aliphatic ring. (Ii) compounds of the general formula: Wherein R ₁ , A, R ₂ , R ₃ , R ₄ , R ₅ and M are as defined above and R ₆ is hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl and isobutyl Is selected from the group consisting of; X is a suitable counterion such as halogen hydroxide, sulfate, hydrosulfate, phosphate, formate and acetate. A compound according to claim 1, wherein component (b) is N, N-dimethylaminoethyl acrylate, N, N-dimethylaminoethyl methacrylate, N- [3- (dimethylamino) propyl] acrylamide, N- [3 -(Dimethyl amino) propyl] methacrylamide, tert-butylaminoethyl methacrylate, (3-acrylamidopropyl) trimethylammonium chloride, (3-methacrylamidopropyl) trimethylammonium chloride, and N- [ 3- (dimethylamino) -2,2-dimethylpropyl] acrylamide. The method of claim 1, wherein component (b) is selected from the group consisting of N, N-dimethylaminoethyl acrylate, N, N-dimethylaminoethyl methacrylate and tert-butylaminoethyl methacrylate. The method of claim 1 wherein component (b) is selected from the group consisting of N, N-dimethylaminoethyl acrylate and N, N-dimethylaminoethyl methacrylate. The method of claim 1, wherein component (b) is tert-butylaminoethyl methacrylate. A compound according to claim 1, wherein component (b) is N- [3- (dimethylamino) propyl] acrylamide, N- [3- (dimethylamino) propyl] methacrylamide, (3-acrylamidopropyl) trimethylammonium Chloride, (3-methacrylamidopropyl) trimethylammonium chloride and N- [3- (dimethylamino) -2,2-dimethylpropyl] acrylamide. A compound according to claim 1, wherein component (b) is N- [3- (dimethylamino) propyl] acrylamide, N- [3- (dimethylamino) propyl] methacrylamide and N- [3- (dimethylamino)- 2,2-dimethylpropyl] acrylamide. The method of claim 1, wherein component (b) is selected from the group consisting of (3-acrylamidopropyl) trimethylammonium chloride and (3-methacrylamidopropyl) trimethylammonium chloride. The method of claim 1, wherein component (b) is present at a level of 10-30 wt%. The method of claim 1, wherein component (b) is present at a level of 10-25 wt%. The method of claim 1, wherein component (a) is acrylic acid, methacrylic acid, alpha-etacrylic acid, beta, beta-dimethylacrylic acid, methylenemalonic acid, vinylacetic acid, allyl acetic acid, ethylidine acetic acid, propylidine acetic acid, crotonic acid. , Maleic acid, maleic anhydride, fumaric acid, itaconic acid, citraconic acid, mesaconic acid, and their alkali metal salts and ammonium salts. The method of claim 1, wherein component (a) is selected from the group consisting of acrylic acid, methacrylic acid, and their alkali metal salts and ammonium salts. The method of claim 1, wherein component (a) is present at a level of 70-90 wt%. The method of claim 1, wherein component (a) is present at a level of 75-90 wt%. The method of claim 1 wherein the weight average molecular weight of the copolymer is from 500 to 100,000. The method according to claim 1, wherein the weight average molecular weight of the copolymer is 750 to 300,000. The method according to claim 1, wherein the weight average molecular weight of the copolymer is 1,000 to 25,000. The method of claim 1, wherein the copolymer is present in the composition at a level of 0.2-10 wt%. The method of claim 1, wherein the copolymer is present at a level of 0.5-7 wt%. The detergent composition for automatic dishwasher containing the copolymer of Claim 1. The detergent composition of claim 20, wherein the copolymer is present at a level of 0.2-10 wt%. The detergent composition of claim 20, wherein the copolymer is present at a level of 0.5-7 wt%. ※ Note: The disclosure is based on the initial application.