Dual Character Biopolymer Useful in Cleaning Products

• US 20100075880A1
• Filed: 09/18/2009
• Published: 03/25/2010
• Est. Priority Date: 09/19/2008
• Status: Active Grant

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Thomaides, John Socrates, Gizaw, Yonas, Dupont, Jeffrey Scott, Cimecioglu, A. Levent
• Granted Patent: US 8,383,573 B2
• Time in Patent Office: Days
• US Class Current: 510/119
• CPC Class Codes: C11D 11/0017 "Soft" surfaces, e.g. textiles
• CPC Class Codes: C11D 2111/12 Soft surfaces, e.g. textile
• CPC Class Codes: C11D 3/0036 Soil deposition preventing compositions; Antiredeposition agents
• CPC Class Codes: C11D 3/223 oxidised
• CPC Class Codes: C11D 3/227 with nitrogen-containing groups
• CPC Class Codes: C11D 3/228 with phosphorus- or sulfur-containing groups
• CPC Class Codes: C11D 3/3796 Amphoteric polymers or zwitterionic polymers

Abstract

New cleaning compositions including novel amphoteric dispersant polymers containing anionic and nitrogen containing substitution are disclosed. In particular, cleaning compositions containing modified polysaccharides having anionic and nitrogen containing substitution and methods of forming the same are disclosed.

Claims

1. A cleaning composition comprising a dispersant polymer comprising a randomly substituted linear or branched polymer backbone having a structure:

wherein the randomly substituted polymer backbone comprises the residues of at least one unsubstituted monomer and at least one substituted monomer, wherein the residues of the monomers are independently selected from the group consisting of furanose residues, pyranose residues and mixtures thereof, and the residue of the substituted monomer further comprises —

(R)_p substituent groups,

such that each R substituent is independently selected from the group consisting of a nitrogen containing substituent with a degree of substitution ranging from 0.01 to 0.4, and an anionic substituent with a degree of substitution of ranging from 0.1 to 3.0, p is an integer from 1 to 3, and wherein the ratio of the degree of substitution of the nitrogen containing substituent to the degree of substitution of the anionic substituent ranges from 0.05;

1 to 0.4;

1, and

wherein the dispersant polymer has a weight average molecular weight ranging from 1,000 Daltons to 1,000,000 Daltons.

2. The cleaning composition of claim 1, wherein the randomly substituted polymer backbone is a randomly substituted polysaccharide backbone.

3. The cleaning composition of claim 2, wherein the randomly substituted polysaccharide backbone comprises a randomly substituted polyglucose backbone and the residues of the monomers comprise substituted and unsubstituted glucopyranose residues.

4. The cleaning composition of claim 3, wherein the randomly substituted polyglucose backbone is selected from the group consisting of a randomly substituted cellulose backbone, a randomly substituted hemicellulose backbone, a randomly substituted starch backbone and blends thereof.

5. The cleaning composition of claim 1, further comprising at least one or more adjuncts selected from the group consisting of bleach activators, surfactants, builders, chelating agents, dye transfer inhibiting agents, dispersants, enzymes, enzyme stabilizers, catalytic metal complexes, polymeric dispersing agents, clay and soil removal/anti-redeposition agents, brighteners, suds suppressors, dyes, perfumes, perfume delivery systems, structure elasticizing agents, fabric softeners, carriers, hydrotropes, processing aids, and pigments.

6. The cleaning composition of claim 1, wherein the cleaning composition is a product selected from the group consisting of liquid laundry detergents, solid laundry detergents, laundry soap products, laundry spray treatment products, a dish washing detergent, a beauty care detergent, a shampoo, and a household cleaning detergent.

7. A cleaning composition comprising a dispersant polymer comprising a randomly substituted polysaccharide backbone comprising unsubstituted and substituted glucopyranose residues and having a general structure according to Formula I:

wherein each substituted glucopyranose residue independently comprises from 1 to 3 R substituents, which may be the same or different on each substituted glucopyranose residue, and

wherein each R substituent is independently a substituent selected from hydroxyl, hydroxymethyl, R¹, R², and a polysaccharide branch having a general structure according to Formula I, provided that at least one R substituent comprises at least one R¹ or R² group,

wherein each R¹ is independently, the same or different, a first substituent group having a degree of substitution ranging from 0.01 to 0.4 and a structure according to Formula II;

wherein each R³ is selected from the group consisting of a lone pair of electrons;

H;

CH₃;

linear or branched, saturated or unsaturated C₂-C₁₈ alkyl, provided that at least two of the R³ groups are not a lone pair of electrons, R⁴ is a linear or branched, saturated or unsaturated C₂-C₁₈ alkyl chain or a linear or branched, saturated or unsaturated secondary hydroxy(C₂-C₁₈)alkyl chain, L is a linking group selected from the group consisting of —

O—

, —

C(O)O—

, —

NR⁶—

, —

C(O)NR⁶—

, and —

NR⁶C(O)NR⁶—

, and R⁶ is H or C₁-C₆ alkyl, w has a value of 0 or 1, y has a value of 0 or 1, and z has a value of 0 or 1, and

each R² is independently, the same or different, a second substituent group having a degree of substitution ranging from 0.1 to 3.0 and a structure according to Formula III;

wherein R⁵ is an anionic substituent selected from the group consisting of carboxylate, carboxymethyl, succinate, sulfate, sulfonate, arylsulfonate, phosphate, phosphonate, dicarboxylate, and polycarboxylate, a has a value of 0 or 1, b is an integer from 0 to 18, and c has a value of 0 or 1, wherein the ratio of the degree of substitution of the first substituent to degree of substitution of the second substituent ranges from 0.05;

1 to 0.4;

1, and

wherein the dispersant polymer has a weight average molecular weight ranging from 1,000 Daltons to 1,000,000 Daltons.

8. The cleaning composition of claim 7, wherein R² has a degree of substitution ranging from 0.25 to 2.5.

9. The cleaning composition of claim 7, wherein the dispersant polymer has a weight average molecular weight ranging from 5,000 Daltons to 1,000,000 Daltons.

10. The cleaning composition of claim 7, wherein the randomly substituted polysaccharide backbone is a randomly substituted cellulose backbone having the general structure according to Formula IA:

11. The cleaning composition of claim 7, wherein the randomly substituted polysaccharide backbone is a randomly substituted starch backbone having the general structure according to Formula IB:

12. The cleaning composition of claim 11, wherein the randomly substituted starch backbone is derived from a starch selected from corn starch, wheat starch, rice starch, waxy corn starch, oat starch, cassava starch, waxy barley starch, waxy rice starch, glutenous rice starch, sweet rice starch, potato starch, tapioca starch, sago starch, high amylose starch, or mixtures of any thereof.

13. The cleaning composition of claim 12, wherein the randomly substituted starch backbone is derived from a high amylose starch having an amylose content of from about 30% to about 90% by weight.

14. The cleaning composition of claim 11, wherein the randomly substituted starch backbone is a randomly substituted amylopectin backbone, further comprising at least one α

(1→

6) polyglucopyranose branch, wherein the polyglucopyranose branch comprises unsubstituted and substituted glucopyranose residues.

15. The cleaning composition of claim 7, wherein the polysaccharide backbone is a randomly substituted hemicellulose backbone further comprising at least one unsubstituted or substituted carbohydrate residue selected from the group consisting of an unsubstituted or substituted xylose residue, an unsubstituted or substituted mannose residue, an unsubstituted or substituted galactose residue, an unsubstituted or substituted rhamnose residue, an unsubstituted or substituted arabinose residue, and combinations of any thereof,

wherein the substituted carbohydrate residue comprises at least one of an R¹ substituent or an R² substituent.

25. A method of treating a fabric comprising:

contacting the fabric with an effective amount of a fabric care composition comprising the cleaning composition according to claim 7.

16. A method for making a cleaning composition comprising:

adding a dispersant polymer to the cleaning composition,

wherein the dispersant polymer comprises a randomly substituted polysaccharide backbone comprising unsubstituted and substituted glucopyranose residues and having a general structure according to Formula I;

wherein each substituted glucopyranose residue independently comprises from 1 to 3 R substituents, which may be the same or different on each substituted glucopyranose residue, and

wherein each R substituent is independently a substituent selected from hydroxyl, hydroxymethyl, R¹, R², and a polysaccharide branch having a general structure according to Formula I, provided that at least one R substituent comprises at least one R¹ or R² group,

wherein each R¹ is independently, the same or different, a first substituent group having a degree of substitution ranging from 0.01 to 0.4 and a structure according to Formula II;

wherein each R³ is selected from the group consisting of a lone pair of electrons;

H;

CH₃;

linear or branched, saturated or unsaturated C₂-C₁₈ alkyl, provided that at least two of the R³ groups are not a lone pair of electrons, R⁴ is a linear or branched, saturated or unsaturated C₂-C₁₈ alkyl chain or a linear or branched, saturated or unsaturated secondary hydroxy(C₂-C₁₈)alkyl chain, L is a linking group selected from the group consisting of —

O—

, —

C(O)O—

, —

NR⁶—

, —

C(O)NR⁶—

, and —

NR⁶C(O)NR⁶—

, and R⁶ is H or C₁-C₆ alkyl, w has a value of 0 or 1, y has a value of 0 or 1, and z has a value of 0 or 1, and

each R² is independently, the same or different, a second substituent group having a degree of substitution ranging from 0.1 to 3.0 and a structure according to Formula III;

wherein R⁵ is an anionic substituent selected from the group consisting of carboxylate, carboxymethyl, succinate, sulfate, sulfonate, arylsulfonate, phosphate, phosphonate, dicarboxylate, and polycarboxylate, a has a value of 0 or 1, b is an integer from 0 to 18, and c has a value of 0 or 1, wherein the ratio of the degree of substitution of the first substituent to degree of substitution of the second substituent ranges from 0.05;

1 to 0.4;

1, and

wherein the dispersant polymer has a weight average molecular weight ranging from 1,000 Daltons to 1,000,000 Daltons.

17. The method of claim 16, wherein the dispersant polymer has a weight average molecular weight ranging from 5,000 Daltons to 1,000,000 Daltons.

18. The method of claim 16, wherein the randomly substituted polysaccharide backbone is a randomly substituted cellulose backbone having the general structure according to Formula IA:

19. The method of claim 16, wherein the randomly substituted polysaccharide backbone is a randomly substituted starch backbone having the general structure according to Formula IB:

20. The method of claim 19, wherein the randomly substituted starch backbone is derived from a starch selected from corn starch, wheat starch, rice starch, waxy corn starch, oat starch, cassava starch, waxy barley starch, waxy rice starch, glutenous rice starch, sweet rice starch, potato starch, tapioca starch, sago starch, high amylose starch, or mixtures of any thereof.

21. The method of claim 20, wherein the randomly substituted starch backbone is derived from a high amylose starch having an amylose content of from about 30% to about 90% by weight.

22. The method of claim 19, wherein the randomly substituted starch backbone is a randomly substituted amylopectin backbone, further comprising at least one α

(1→

6) polyglucopyranose branch, wherein the polyglucopyranose branch comprises unsubstituted and substituted glucopyranose residues.

23. The method of claim 16, wherein the polysaccharide backbone is a randomly substituted hemicellulose backbone further comprising at least one unsubstituted or substituted carbohydrate residue selected from the group consisting of an unsubstituted or substituted xylose residue, an unsubstituted or substituted mannose residue, an unsubstituted or substituted galactose residue, an unsubstituted or substituted rhamnose residue, an unsubstituted or substituted arabinose residue, and combinations of any thereof,

wherein the substituted carbohydrate residue comprises at least one of an R¹ substituent or an R² substituent.

24. The method of claim 16, further comprising:

adding at least one or more adjuncts selected from the group consisting of bleach activators, surfactants, builders, chelating agents, dye transfer inhibiting agents, dispersants, enzymes, enzyme stabilizers, catalytic metal complexes, polymeric dispersing agents, clay and soil removal/anti-redeposition agents, brighteners, suds suppressors, dyes, perfumes, perfume delivery systems, structure elasticizing agents, fabric softeners, carriers, hydrotropes, processing aids, and pigments to the cleaning composition.