III Thomas F. (Philadelphia PA) Shulman Jan E. (Newtown PA) Weinstein Barry (Dresher PA)
출원인 / 주소
Rohm & Haas Company (Philadelphia PA 02)
인용정보
피인용 횟수 :
22인용 특허 :
0
초록▼
This invention provides novel water-soluble terpolymers. These terpolymers contain as polymerized units (a) from about 92 to about 30 percent by weight of one or more C3-C6 monoethylenically unsaturated carboxylic acids; (b) from about 5 to about 50 percent by weight of one or more aminoacryloyl der
This invention provides novel water-soluble terpolymers. These terpolymers contain as polymerized units (a) from about 92 to about 30 percent by weight of one or more C3-C6 monoethylenically unsaturated carboxylic acids; (b) from about 5 to about 50 percent by weight of one or more aminoacryloyl derivatives; and (c) from about 3 to about 25 percent by weight of one or more monoethylenically unsaturated monomers polymerizable with (a) and (b). These terpolymers are useful in detergent formulations, particularly automatic machine dishwashing detergent formulations.
대표청구항▼
A water-soluble terpolymer, consisting essentially of polymerized units of (a) from about 92 to about 30 percent by weight of one or more monomers selected from the group consisting of C3-C6 monoethylenically unsaturated carboxylic acids and alkali metal and ammonium salts thereof; (b) from about 5
A water-soluble terpolymer, consisting essentially of polymerized units of (a) from about 92 to about 30 percent by weight of one or more monomers selected from the group consisting of C3-C6 monoethylenically unsaturated carboxylic acids and alkali metal and ammonium salts thereof; (b) from about 5 to about 50 percent by weight of one or more aminoacryloyl derivatives selected from the group consisting of i) [Figure] wherein: R1 is selected from the group consisting of hydrogen and methyl; A′is oxygen; R2 and R3 are either independently selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and isobutyl; or R2 and R3, together with the carbon to which they are both attached, form a C3-C7 aliphatic ring; M is equal to 0, 1, or 2 with the proviso that when M is equal to 0,a C－N bond appears in place of the (CH2)M group; and R4 and R5 are either independently selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and isobutyl; or R4 and R5, together with the nitrogen to which they are both attached, form a three to seven membered non-aromatic nitrogen heterocycle; and ii) [Figure] wherein: R1, R2, R3, R4, R5 and M are as defined above; A″is oxygen; R6 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, and isobutyl; and X is a counterion selected from the group consisting of halogens, hydroxide, sulfate, hydrosulfate, phosphate, formate and acetate; and (c) from about 3 to about 25 percent by weight of one or more monoethylenically unsaturated monomers polymerizable with (a) and (b) selected from the group consisting of C1-C4 alkyl esters of acrylic acid, C1-C4 alkyl esters of methacrylic acid, C1-C4 hydroxyalkyl esters of acrylic acid, C1-C4 hydroxyalkyl esters of methacrylic acid, acrylamide, alkyl substituted acrylamides, N,N-dialkyl substituted acrylamides, styrene, sulfonated styrene, sulfonated alkyl acrylamides, vinylsulfonates, vinylsulfonic acid, allylsulfonic acid, methallylsulfonic acid, vinylphosphonic acid, vinylacetate, allyl alcohols, sulfonated allyl alcohols, acrylonitrile, N-vinylpyrrolidone, N-vinylformamide, N-vinylimidazole, N-vinylpyridine, and N-vinyl-2-methylimidazoline; wherein the molar ratio of (a) to (b) is from 2.5:1 to 90:1; and wherein the Mw of the terpolymer is from about 750 to about 30,000. A cleaning composition comprising the terpolymer of claim 1 in an amount effective to reduce spotting and filming.
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