# US 10,865,300 B2 · Dilution thickening composition

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- Number: US 10,865,300 B2
- Document ID: US10865300B2
- Status: Granted
- Kind: B2
- Application number: 15/754,706
- Filed: 2016-08-22
- Published: 2018-08-30
- Granted: 2020-12-15
- Earliest claimed: 2015-09-02
- Assignees: Dow Global Technologies LLC; Rohm and Haas Company
- Applicants: Dow Global Technologies LLC; Rohm and Haas Company
- Inventors: Saugata Nad; Ravi Rao; Ashish G. Muratkar; Robert Krasnansky
- Web page: https://patentgrep.com/patent/US10865300B2

## CPC

- C08L 33/10: Homopolymers or copolymers of methacrylic acid esters
- C08F 220/28: containing no aromatic rings in the alcohol moiety
- C11D 3/225: {etherified, e.g. CMC}
- C11D 3/3765: {in liquid compositions}
- C08F 220/1802: {C2-(meth)acrylate, e.g. ethyl (meth)acrylate}
- C08F 220/286: {and containing polyethylene oxide in the alcohol moiety, e.g. methoxy polyethylene glycol (meth)acrylate}
- C08L 33/14: of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
- C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06)
- C08F: MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL

## Abstract

An aqueous composition comprising: (1) an alkyl cellulose ether, and (2) an acrylic polymer comprising polymerized units of (i) 35 to 65 wt % C1-C4 alkyl acrylates; (ii) 30 to 60 wt % C3-C6 carboxylic acid monomers; and (iii) 2 to 10 wt % of monomers having an alkyl group having at least ten carbon atoms.

## Claims

### Claim 1

An aqueous cleaning composition comprising: at least 8 wt% surfactants; an alkyl cellulose ether, wherein the alkyl cellulose ether is a hydroxyalkyl methylcellulose in which the hydroxyalkyl groups are 2-hydroxyethyl or 2-hydroxypropyl; an acrylic polymer comprising polymerized units of (i) 38 to 62 wt% C1-C4 alkyl acrylates; (ii) 33 to 57 wt% C3-C6 carboxylic acid monomers; and (iii) 3 to 8 wt% of monomers having an alkyl group having at least ten carbon atoms having formula
H2C=C(R)C(O)X(CH2CH2O)n(CH(R′)CH2O)mR″
wherein X is O or NH, R is H or CH3, R′ is C1-C2 alkyl; R″ is C10-C22 alkyl, C10-C16 alkylphenyl or C13-C36 aralkylphenyl; n is an average number from 6-100 and m is an average number from 0-50, provided that n≥m and m+n is 6 to 100.

### Claim 2 (depends on 1)

The aqueous composition of claim 1 having from 0.1 to 1 wt% of the hydroxyalkyl methylcellulose and from 0.3 to 4 wt% of the acrylic polymer.

### Claim 3 (depends on 2)

The aqueous composition of claim 2 in which in which the hydroxyalkyl methylcellulose is a hydroxypropyl methylcellulose having a viscosity, measured from a 1 wt% solution in water at 20° C., of 50 to 7,000 mPa·s.

### Claim 4 (depends on 3)

The aqueous composition of claim 3 in which X is O, R″ is C10-C22 alkyl; n is an average number from 18-25 and m is 0.

### Claim 5 (depends on 4)

The aqueous composition of claim 4 in which the acrylic polymer comprises polymerized units of 41 to 59 wt% C1-C4 alkyl acrylates and 36 to 54 wt% C3-C6 carboxylic acid monomer.

### Claim 6 (depends on 5)

The aqueous composition of claim 5 in which the acrylic polymer has weight-average molecular weight from 15,000 to 160,000.

### Claim 7

An aqueous cleaning composition comprising:
50 to 85 wt% water;
at least 8 wt% surfactant;
0.1 to 1 wt% of an alkyl cellulose ether, wherein the alkyl cellulose ether is a hydroxyalkyl methylcellulose in which the hydroxyalkyl groups are 2-hydroxyethyl or 2-hydroxypropyl;
6 to 4 wt% of an acrylic polymer comprising polymerized units of (i) 38 to 62 wt% C1-C4 alkyl acrylates; (ii) 33 to 57 wt% C3-C6 carboxylic acid monomers; and (iii) 3 to 8 wt% of monomers having an alkyl group having at least ten carbon atoms having formula
H2C=C(R)C(O)X(CH2CH2O)nCH(R′)CH2O)mR″
wherein X is O or NH, R is H or CH3, R′ is C1-C2 alkyl; R″ is C10-C22 alkyl, C10-C16 alkylphenyl or C13-C36 aralkylphenyl; n is an average number from 6-100 and m is an average number from 0-50, provided that n≥m and m+n is 6 to 100; wherein the aqueous cleaning composition is diluted in use.

### Claim 8 (depends on 7)

The aqueous cleaning composition of claim 7, wherein the surfactant is a mixture of an anionic surfactant and a nonionic surfactant, wherein the nonionic surfactant has an alkyl group having at least eight carbon atoms and at least five polymerized ethylene oxide or propylene oxide residues.

### Claim 9 (depends on 8)

The aqueous composition of claim 8, wherein the hydroxyalkyl methylcellulose is a hydroxypropyl methylcellulose having a viscosity, measured from a 1 wt% solution in water at 20° C., of 50 to 7,000 mPa·s.

### Claim 10 (depends on 9)

The aqueous composition of claim 9, wherein Xis 0, R″ is C10-C22 alkyl; n is an average number from 18-25 and m is 0.

### Claim 11 (depends on 10)

The aqueous composition of claim 10, wherein the acrylic polymer comprises polymerized units of 41 to 59 wt% C1-C4 alkyl acrylates and 36 to 54 wt% C3-C6 carboxylic acid monomer.

### Claim 12 (depends on 11)

The aqueous composition of claim 11, wherein the acrylic polymer has weight-average molecular weight from 15,000 to 160,000.