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1. WO2017176481 - HARD SURFACE CLEANERS COMPRISING A COPOLYMER

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

CLAIMS

What is claimed is:

1. A hard surface cleaning composition comprising a copolymer, wherein the hard surface composition comprises:

a) from 0.1 to 25 wt% of surfactant

b) the copolymer comprises:

i. from 60 to 99% by weight of at least one monoethylenically unsaturated polyalkylene oxide monomer of the formula I (monomer A)


in which the variables have the following meanings:

X is -CH2- or -CO-, if Y is -O-;

is -CO-, if Y is -NH-;

Y is -O- or -NH-;

R1 is hydrogen or methyl;

R2 are identical or different C2-C6-alkylene radicals;

R3 is H or C1-C4 alkyl;

n is an integer from 5 to 100,

ii. from 1 to 40% by weight of at least one quaternized nitrogen-containing monomer, selected from the group consisting of at least one of the monomers of the formula IIa to IIc (monomer B)


in which the variables have the following meanings:

R is C1-C4 alkyl or benzyl;

R' is hydrogen or methyl;

Y -NH-;

A is C1-C6 alkylene;

X- is halide, C1-C4-alkyl sulfate, C1-C4-alkylsulfonate and C1-C4- alkyl carbonate,

iii. from 0 to 15% by weight of at least one anionic monoethylenically unsaturated monomer (monomer C), and

iv. from 0 to 30% by weight of at least one other non-ionic monoethylenically unsaturated monomer (monomer D),

wherein:

if monomer C is present, the molar ratio of monomer B to monomer C is greater than 1, the copolymer has a weight average molecular weight (Mw) from 20,000 g/mol to 500,000 g/mol,

and the copolymer and the non-ionic surfactant are present in a weight ratio of from 0.03 to 0.5.

2. The hard surface cleaning composition according to claim 1 in which the variables of monomer A have the following meanings:

X is -CO-;

Y is -O-;

R1 is hydrogen or methyl;

R2 is ethylene, linear or branched propylene or mixtures thereof;

R3 is methyl;

n is an integer from 5 to 100, preferably from 20 to 50.

3. The hard surface cleaning composition according to any preceding claims, where the copolymer comprises from 60 to 99% by weight of monomer A and from 1 to 20% by weight of monomer B, from 0 to 15% by weight of monomer C, and 0 to 20% by weight of monomer D, and where monomer C is present, the weight ratio of monomer B to monomer C is greater than 1, preferably greater than 2, more preferably greater than 2.5.

4. The hard surface cleaning composition according to any of the preceding claims wherein monomer B is a salt of 3-methyl-1-vinylimidazolium.

5. The hard surface cleaning composition according to any of the preceding claims wherein monomer A is methylpolyethylene glycol (meth)acrylate.

6. The hard surface cleaning composition according to any of the preceding claims wherein monomer A is methylpolyethylene glycol (meth)acrylate and wherein monomer B is a salt of 3-methyl-1-vinylimidazolium, and monomer D is N- vinylimidazole.

7. The hard surface cleaning composition according to any of the preceding claims wherein the composition further comprises a detersive surfactant, preferably a non- ionic surfactant.

8. The hard surface cleaning composition according to the preceding claim wherein the composition comprises:

(a) from 0.01 to 10%wt%, more preferably from 0.02 to 5 wt%, most preferably from 0.05 to 3 wt% of the copolymer;

(b) from 1.0 wt% to 10.0 wt%, preferably from 3.0 wt% to 9.5 wt%, more preferably from 4.0 wt% to 9.0 wt% and most preferably from 5.0 wt% to 8.0 wt% of at least one non-ionic surfactant, wherein the non-ionic surfactant is preferably an ethoxylated non-ionic surfactant;

(c) from 0.05 wt % to 6 wt%, preferably from 0.1 wt% to 5 wt%, more preferably from 0.1 wt% to 4.5 wt% and most preferably from 0.1 wt% to 4 wt% of the composition of amine oxide surfactant, and

(d) from 0.05 wt% to 5 wt%, preferably from 0.1 wt% to 4 wt%, and most preferably from 1.5 wt% to 3.5 wt% of an anionic surfactant.

9. The hard surface cleaning composition according to the preceding claim wherein the pH is from 7.0 to 12, preferably from 7.5 to 11.5, more preferably from 9.5 to 11.3, most preferably 10 to 11.

10. A method of improving shine of treated hard surfaces, the method comprising the following steps:

a) optionally diluting a liquid hard surface cleaning composition of any preceding claim; b) applying the liquid hard surface cleaning composition to a hard surface; and c) optionally rinsing

11. The method according to claim 10, wherein the liquid hard surface cleaning composition is sprayed onto the hard surface.

12. The method according to any of claims 10 to 11, wherein the method also reduces the drying time of treated hard surfaces.

13. The use of the copolymer of any of claims 1 to 8, preferably in a hard surface composition, for improving shine and/or reducing the drying time of treated hard surfaces.