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

• US 8,853,144 B2
• Filed: 07/30/2012
• Issued: 10/07/2014
• Est. Priority Date: 08/05/2011
• Status: Active Grant

• Current Assignee: Ecolab USA Incorporated (Ecolab, Inc.), AKZO Nobel Surface Chemistry LLC (Nouryon BV)
• Original Assignee: Ecolab USA Incorporated (Ecolab, Inc.)
• Inventors: Silvernail, Carter, Olson, Erik C., Rodrigues, Klin
• Primary Examiner(s): Mruk, Brian P
• Application Number:
  US13/561,485
• Publication Number:
  US 20130035275A1
• Time in Patent Office: 799 Days
• Field of Search: 510/247, 510/252, 510/267, 510/272, 510/339, 510/434, 510/435, 510/467, 510/470, 510/475, 510/505, 134/22.13, 134/22.14, 134/39, 134/41, 134/42, 252/175
• US Class Current: 510/470
• CPC Class Codes: C11D 3/044 Hydroxides or bases
• CPC Class Codes: C11D 3/3788 Graft polymers
• CPC Class Codes: C11D 7/06 Hydroxides
• CPC Class Codes: C11D 7/268 Carbohydrates or derivatives thereof

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.

Claims

1. A warewashing 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;

at least one surfactant selected from the group consisting of;

carboxylates, fatty alcohol sulfates, alkyl polyglycosides, sorbitan and sucrose esters and their ethoxylates, alkoxylated amines, carboxylic acid esters, carboxylic amides, ethylene oxide/propylene oxide block polymers, silicone surfactants, amines, quaternary ammonium salts, betaines, imidazolines, and propionates;

water; and

a polysaccharide graft polymer composition present in an amount from about 0.1% to about 15% by weight of the cleaning composition, the 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.

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 cleaning composition contains at least about 10% biodegradable content by weight.

8. The cleaning composition of claim 1, wherein the cleaning composition consists essentially of:

at least one alkali metal hydroxide;

at least one surfactant, wherein the at least one surfactant is an ethylene oxide/propylene oxide block polymer;

water;

the polysaccharide graft polymer composition; and

at least one active ingredient.

20. The cleaning composition of claim 1, wherein the at least one surfactant is an ethylene oxide/propylene oxide block polymer.

9. A method of cleaning a ware with a detergent composition, the method comprising:

mixing water with the detergent composition to form a use solution; and

contacting the ware 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;

at least one surfactant selected from the group consisting of;

carboxylates, fatty alcohol sulfates, alkyl polyglycosides, sorbitan and sucrose esters and their ethoxylates, alkoxylated amines, carboxylic acid esters, carboxylic amides, ethylene oxide/propylene oxide block polymers, silicone surfactants, amines, quaternary ammonium salts, betaines, imidazolines, and propionates; 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.

10. The method of claim 9, wherein the at least one ethylenically unsaturated monomer includes at least one ethylenically unsaturated anionic monomer.

11. The method of claim 9, 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.

12. The method of claim 11, 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.

13. The method of claim 9, wherein the at least one alkali metal hydroxide includes sodium hydroxide, potassium hydroxide, lithium hydroxide or combinations thereof.

14. The method of claim 9, where the polysaccharide graft polymer composition has a weight average molecular weight from about 2,000 g/mol to about 25,000 g/mol.

15. 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;

at least one surfactant selected from the group consisting of;

carboxylates, fatty alcohol sulfates, alkyl polyglycosides, sorbitan and sucrose esters and their ethoxylates, alkoxylated amines, carboxylic acid esters, carboxylic amides, ethylene oxide/propylene oxide block polymers, silicone surfactants, amines, quaternary ammonium salts, betaines, imidazolines, and propionates; 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.

16. The method of claim 15, wherein the at least one alkali metal hydroxide includes sodium hydroxide, potassium hydroxide, lithium hydroxide or combinations thereof.

17. The method of claim 15 wherein the at least one ethylenically unsaturated monomer includes at least one ethylenically unsaturated anionic monomer.

18. The method of claim 15, 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.

19. The method of claim 18, 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.