CLEANING COMPOSITIONS COMPRISING A MULTI-POLYMER SYSTEM COMPRISING AT LEAST ONE ALKOXYLATED GREASE CLEANING POLYMER

• US 20090124528A1
• Filed: 11/07/2008
• Published: 05/14/2009
• Est. Priority Date: 11/09/2007
• Status: Active Grant

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Becks, Vincent John, Vandenberghe, Frederik, Boutique, Jean-Pol, Danziger, James Lee, Hulskotter, Frank
• Granted Patent: US 8,093,202 B2
• Time in Patent Office: Days
• US Class Current: 510/224
• CPC Class Codes: C11D 3/3723 Polyamines or polyalkyleneimines

Abstract

Laundry detergents and cleaning compositions which provide improved cleaning benefits that comprise a novel polymer system. The polymer system comprises one or more amphiphilic alkoxylated grease cleaning polymers, and either a clay soil cleaning polymer; or a soil suspending polymer.

Claims

1. A laundry detergent or cleaning composition which comprises a polymer system that comprises:

a) one or more amphiphilic alkoxylated grease cleaning polymers, and either

b) a clay soil cleaning polymer;

or

c) a soil suspending polymer.

2. A laundry detergent or cleaning composition according to claim 1 wherein the amphiphilic alkoxylated grease cleaning polymer comprises a core structure and a plurality of alkoxylate groups, wherein:

the core structure may comprise

i) a polyalkylenimine structure comprising, in condensed form, repeating units of formulae (I), (II), (III) and (IV);

 

wherein # in each case denotes one-half of a bond between a nitrogen atom and the free binding position of a group A¹ of two adjacent repeating units of formulae (I), (II), (III) or (IV);

* in each case denotes one-half of a bond to one of the alkoxylate groups; and

A¹ is independently selected from linear or branched C₂-C₆-alkylene;

wherein the polyalkylenimine structure consists of 1 repeating unit of formula (I), x repeating units of formula (II), y repeating units of formula (III) and y+1 repeating units of formula (IV), wherein x and y in each case have a value in the range of from 0 to about 150;

where the average weight average molecular weight, Mw, of the polyalkylenimine core structure is a value in the range of from about 60 to about 10,000 g/mol;

or

ii) a polyalkanolamine structure of the condensation products of at least one compound selected from N-(hydroxyalkyl)amines of formulae (I.a) and/or (I.b),

 

wherein A are independently selected from C₁-C₆-alkylene;

R¹, R¹*, R R²*, R³, R³*, R⁴, R⁴*, R⁵ and R⁵* are independently selected from hydrogen, alkyl, cycloalkyl or aryl, wherein the last three mentioned radicals may be optionally substituted; and

R⁶ is selected from hydrogen, alkyl, cycloalkyl or aryl, wherein the last three mentioned radicals may be optionally substituted; and

the plurality of alkylenoxy groups are independently selected from alkylenoxy units of the formula (V)

*

A²—

O

_m

CH₂—

CH₂—

O

_n

A³—

O

_pR  

 

(V)

wherein;

* in each case denotes one-half of a bond to the nitrogen atom of the repeating unit of formula (I), (II) or (IV);

A² is in each case independently selected from 1,2-propylene, 1,2-butylene and 1,2-isobutylene;

A³ is 1,2-propylene;

R is in each case independently selected from hydrogen and C₁-C₄-alkyl;

m has an average value in the range of from 0 to about 2;

n has an average value in the range of from about 20 to about 50; and

p has an average value in the range of from about 10 to about 50.

3. A laundry detergent or cleaning composition according to claim 1 wherein the clay soil cleaning polymer is selected from the group consisting of ethoxylated oligamines, ethoxylated oligamine methyl quats, ethoxylated oligoamine benzyl quats, ethoxysulfated oligoamines methyl quats, propoxylated-ethoxysulfated oligoamine methyl quats, ethoxysulfated oligoamines benzyl quats, propoxylated-ethoxysulfated oligoamine benzyl quats, ethoxylated oligoetheramine methyl quats, ethoxylated oligoetheramine benzyl quats, ethoxysulfated oligoetheramines methyl quats, ethoxysulfated oligoetheramines benzyl quats, and mixtures thereof.

4. A laundry detergent or cleaning composition according to claim 3 wherein the clay soil cleaning polymer is selected from the group consisting of ethoxysulfated hexamethylene diamine dimethyl quat;

ethoxylated tetraethylene pentaimine;

ethoxylated hexamethylene diamine dimethyl quat;

bis(hexamethylene)triamine ethoxylated about 30 times per —

NH group and quaternized about 90%;

ethoxylated 4,9-dioxa-1,12-dodecanediamine dimethyl quat tetrasulfate;

propoxylated-ethoxylated bis(hexamethylene)triamine;

benzyl-quaternized bis(hexamethylene)triamine;

trans-sulfated bis(hexamethylene)triamine;

50% sulfonated, prop oxylated, ethoxylated methyl quat of hexamethylene diamine.

5. A laundry detergent or cleaning composition according to claim 1 wherein the soil suspending polymer is selected from the group consisting of:

i) alkoxylated polyethyleneimines having from about 5 to 24 ethoxylate groups per —

NH group and from zero to about 12 propoxylate groups per —

NH group; and

ii) random graft copolymers having a hydrophilic backbone comprising monomers selected from the group consisting of unsaturated C_1-6 acids, ethers, alcohols, aldehydes, ketones or esters, sugar units, alkoxy units, maleic anhydride and saturated polyalcohols, and mixtures thereof; and

hydrophobic side chains selected from the group comprising C_4-25 alkyl groups, polypropylene;

polybutylene, a vinyl ester of a saturated monocarboxylic acid containing from 1 to 6 carbon atoms;

a C_1-6 alkyl ester of acrylic or methacrylic acid; and

iii) a mixture thereof.

6. A laundry detergent or cleaning composition according to claim 5 wherein the hydrophobic soil suspending polymer is a random graft copolymer having a hydrophilic backbone comprising polyethylene glycol of molecular weight from 4,000 to 15,000, and from 50% to 65% by weight hydrophobic side chains formed by polymerising at least one monomer selected from a vinyl ester of a saturated monocarboxylic acid containing from 1 to 6 carbon atoms and/or a C_1-6 alkyl ester of acrylic or methacrylic acid.

7. A laundry detergent or cleaning composition according to claim 6 wherein the hydrophobic soil suspending polymer is a random graft copolymer having a hydrophilic backbone comprising polyethylene glycol of molecular weight from 4,000 to 15,000, and from 50% to 65% by weight hydrophobic side chains formed by polymerising at least one monomer selected from vinyl acetate, vinyl propionate and/or butyl acrylate.

8. A laundry detergent or cleaning composition according to claim 5 wherein the hydrophobic soil suspending polymer is a water-soluble polyalkylene oxide graft base having side chains formed by polymerization of a vinyl ester component, said polymer having an average of ≦

1 graft site per 50 alkylene oxide units and mean molar masses M_w of from 3000 to 100,000 g/mol.

9. A laundry detergent or cleaning composition according to claim 8 wherein the graft polymer has a polydispersity M_w/M_n of ≦

3.

10. A laundry detergent or cleaning composition according to claim 1 wherein the detergent or composition further comprises a surfactant system.

11. A laundry detergent or cleaning composition according to claim 10 wherein the surfactant system comprises C₁₀-C₁₆ alkyl benzene sulfonates.

12. A laundry detergent or cleaning composition according to claim 10 wherein the surfactant system comprises C₈-C₁₈ linear alkyl sulfonate surfactant.

13. A laundry detergent or cleaning composition according to either claim 11 wherein the surfactant system further comprises one or more co-surfactant selected from the groups consisting of nonionic surfactants, cationic surfactants, anionic surfactants and mixtures thereof.

14. A laundry detergent or cleaning composition according to claim 10 wherein the detergent or composition further comprises cleaning adjunct additives.

15. A cleaning implement comprising a nonwoven substrate and the laundry detergent or cleaning composition according to claim 1.