Cleaning composition containing a polysaccharide graft polymer compositon and methods of improving drainage

Patent metadata

Field	Value
Publication number	US-9309490-B2
Application number	US-201414490830-A
Country	US
Kind code	B2
Filing date	Sep 19, 2014
Priority date	Aug 5, 2011
Publication date	Apr 12, 2016
Grant date	Apr 12, 2016

Abstract

A composition includes a polysaccharide graft polymer composition. In one embodiment, the polysaccharide graft polymer composition includes a polysaccharide residue present in an amount from about 5% to about 90% by weight of the polysaccharide graft polymer composition and a residue of at least one ethylenically unsaturated monomer present in an amount from about 10% to about 75% by weight of the polysaccharide graft polymer composition.

First claim

What is claimed:

1. A cleaning composition comprising:
at least one alkali metal hydroxide present in an amount from about 21% to about 80% by weight of the cleaning composition;
water;
a surfactant comprising an ethylene oxide/propylene oxide block polymer; and
a polysaccharide graft polymer composition comprising:
polysaccharide residue in an amount from about 5% to about 90% by weight of the polysaccharide graft polymer composition; and
residue of at least one ethylenically unsaturated monomer present in an amount from about 10% to about 75% by weight of the polysaccharide graft polymer composition.

2. The cleaning composition of claim 1 , wherein the at least one ethylenically unsaturated monomer includes at least one ethylenically unsaturated anionic monomer.

3. The cleaning composition of claim 1 , wherein the at least one ethylenically unsaturated monomer includes at least one member selected from the group consisting of acrylic acid, methacrylic acid, ethacrylic acid, α-chloro-acrylic acid, α-cyano acrylic acid, β-methyl-acrylic acid (crotonic acid), α-phenyl acrylic acid, β-acryloxy propionic acid, sorbic acid, α-chloro sorbic acid, angelic acid, cinnamic acid, p-chloro cinnamic acid, β-styryl acrylic acid (1-carboxy-4-phenyl butadiene-1,3), itaconic acid, maleic acid, citraconic acid, mesaconic acid, glutaconic acid, aconitic acid, fumaric acid, tricarboxy ethylene, 2-acryloxypropionic acid, 2-acrylamido-2-methyl propane sulfonic acid, vinyl sulfonic acid, sodium methallyl sulfonate, sulfonated styrene, allyloxybenzene sulfonic acid, monomethyl maleate, their salts and combinations thereof; and wherein the surfactant further comprises one or more of the following: a carboxylate, a sulfonate, a sulfate, a chlorine-capped polyethylene glycol ether of a fatty alcohol, a benzyl-capped polyethylene glycol ether of a fatty alcohol, an alkyl-capped polyethylene glycol ether of a fatty alcohol, an alkyl polyglycoside, a sorbitan ester, a sucrose ester, an alkoxylated amine, an alcohol alkoxylate, a carboxylic acid ester, a carboxylic amide, an amine, a quaternary ammonium salt, a betaine, an imidazoline, and a propionate.

4. The cleaning composition of claim 3 , wherein the at least one ethylenically unsaturated monomer is acrylic acid, maleic acid, methacrylic acid, maleic acid, 2-acrylamido-2-methyl propane sulfonic acid, monomethyl maleate, their salts or a combination thereof.

5. The cleaning composition of claim 1 , wherein the at least one alkali metal hydroxide includes sodium hydroxide, potassium hydroxide, lithium hydroxide or combinations thereof.

6. The cleaning composition of claim 1 , wherein the polysaccharide graft polymer composition has a weight average molecular weight from about 2,000 g/mol to 25,000 g/mol.

7. The cleaning composition of claim 1 , Wherein the polysaccharide graft polymer composition is present in an amount from about 0.1% to about 15% by weight of the cleaning composition.

8. The cleaning composition of claim 1 , wherein the cleaning composition contains at least about 10% biodegradable content by weight.

9. The cleaning composition of claim 1 , wherein the cleaning composition consists essentially of:
at east one alkali metal hydroxide;
water;
the polysaccharide graft polymer composition;
the ethylene oxide/propylene oxide block polymer; and
at least one active ingredient.

10. A method of cleaning a substrate with a detergent composition, the method comprising:
mixing water with the detergent composition to form a use solution; and
contacting the substrate with the use solution, wherein the use solution comprises:
at least one alkali metal hydroxide present in an amount from about 150 ppm to about 1500 ppm;
a surfactant comprising an ethylene oxide/propylene oxide block polymer; and
a polysaccharide graft polymer composition present in an amount from about 5 ppm to about 500 ppm, the polysaccharide graft polymer composition comprising from about 5% to about 90% by weight polysaccharide residue and from about 10% to about 75% by weight residue of at least one ethylenically unsaturated monomer, and
wherein the use solution has a pH in the range from about 10.5 to about 12.5.

11. The method of claim 10 , wherein the at least one ethylenically unsaturated monomer includes at least one ethylenically unsaturated anionic monomer.

12. The method of claim 10 , wherein the at least one ethylenically unsaturated monomer includes at least one member selected from the group consisting of acrylic acid, methacrylic acid, ethacrylic acid, α-chloro-acrylic acid, α-cyano acrylic acid, β-methyl-acrylic acid (crotonic acid), α-phenyl acrylic acid, β-acryloxy propionic acid, sorbic acid, α-chloro sorbic acid, angelic acid, cinnamic acid, p-chloro cinnamic acid, β-styryl acrylic acid (1-carboxy-4-phenyl butadiene-1,3), itaconic acid, maleic acid, citraconic acid, mesaconic acid, glutaconic acid, aconitic acid, fumaric acid, tricarboxy ethylene, 2-acryloxypropionic acid, 2-acrylamido-2-methyl propane sulfonic acid, vinyl sulfonic acid, sodium methallyl sulfonate, sulfonated styrene, allyloxybenzene sulfonic acid, monomethyl maleate, their salts and combinations thereof.

13. The method of claim 12 , wherein the at least one ethylenically unsaturated monomer is acrylic acid, methacrylic acid, maleic acid, 2-acrylamido-2-methyl propane sulfonic acid, monomethyl maleate, their salts or a combination thereof.

14. The method of claim 10 , wherein the at least one alkali metal hydroxide includes sodium hydroxide, potassium hydroxide, lithium hydroxide or combinations thereof.

15. The method of claim 10 , where the polysaccharide graft polymer composition has a weight average molecular weight from about 2,000 g/mol to about 25,000 g/mol.

16. A method for improving rinse water drainage from ware being washed, the method comprising:
contacting the ware with a use solution that includes:
sufficient alkali metal hydroxide to provide the use solution with a pH that is in the range of about 10.5 to about 12.5;
a surfactant comprising an ethylene oxide/propylene oxide polymer; and
about 5 to about 500 ppm of a polysaccharide graft polymer composition comprising:
polysaccharide residue in an amount from about 5% to about 90% by weight of the polysaccharide graft polymer composition; and
residue of at least one ethylenically unsaturated monomer present in an amount from about 10% to about 75% by weight of the polysaccharide graft polymer composition.

17. The method of claim 16 , wherein the at least one alkali metal hydroxide includes sodium hydroxide, potassium hydroxide, lithium hydroxide or combinations thereof.

18. The method of claim 16 wherein the at least one ethylenically unsaturated monomer includes at least one ethylenically unsaturated anionic monomer.

19. The method of claim 16 , wherein the at least one ethylenically unsaturated monomer includes at least one member selected from the group consisting of acrylic acid, methacrylic acid, ethacrylic acid, α-chloro-acrylic acid, α-cyano acrylic acid, β-methyl-acrylic acid (crotonic acid), α-phenyl acrylic acid, β-acryloxy propionic acid, sorbic acid, α-chloro sorbic acid, angelic acid, cinnamic acid, p-chloro cinnamic acid, β-styryl acrylic acid (1-carboxy-4-phenyl butadiene-1,3), itaconic acid, maleic acid, citraconic acid, mesaconic acid, glutaconic acid, aconitic acid, fumaric acid, tricarboxy ethylene, 2-acryloxypropionic acid, 2-acrylamido-2-methyl propane sulfonic acid, vinyl sulfonic acid, sodium methallyl sulfonate, sulfonated styrene, allyloxybenzene

Assignees

• Ecolab Usa Inc
• Akzo Nobel Surface Chemistry Llc

Inventors

• Silvernail Carter M
• Olson Erik C
• Rodrigues klin

Classifications

• C11D3/3788

  Graft polymers · CPC title

• C11D3/044 Primary

  Hydroxides or bases · CPC title

• C11D7/268 Primary

  Carbohydrates or derivatives thereof · CPC title

• C11D7/06

  Hydroxides · CPC title