Composition for household care containing a cationic nanogel

1. A composition comprising a cationic nanogel, comprising chemically crosslinked macromolecules comprising a core C,

wherein said nanogel comprises:

crosslinking units R derived from a crosslinking monomer R comprising at least two polymerizable groups, and

core units C derived from at least one monomer C comprising only one polymerizable group, comprising:

wherein the core units C comprise:

cationic or potentially cationic units C cat derived from at least one cationic or potentially cationic monomer C cat , and

optionally, hydrophilic or hydrophobic neutral units C N , derived from at least one hydrophilic or hydrophobic neutral monomer C N ,

further wherein:

the nanogel is different than a star copolymer that comprises macromolecular branches at the periphery of the core, and

the average size of said macromolecules ranges from 5 to 500 nm.

2. The composition of claim 1 , wherein the nanogel is obtainable via a process comprising a controlled radical polymerization.

3. The composition of claim 1 , wherein the crosslinking units R comprise units derived from a diethylenically unsaturated or triethylenically unsaturated monomer.

4. The composition of claim 1 , wherein the nanogel is obtainable by polymerization of a mixture of monomers comprising:

at least one crosslinking monomer R comprising at least two polymerizable groups, and

at least one monomer C comprising only one polymerizable group,

wherein monomer C comprises:

at least one cationic or potentially cationic monomer C cat , and

optionally a hydrophilic or hydrophobic neutral monomer C N .

5. The composition of claim 3 , wherein the at least one crosslinking monomer R comprises a polyethylenically unsaturated monomer.

6. The composition of claim 4 , wherein the at least one monomer C comprises a monoethylenically unsaturated monomer.

7. The composition of claim 4 , wherein the mole ratio of the monomer(s) C to the crosslinking monomer R is greater than or equal to 1.

8. The composition of claim 4 , wherein:

the nanogel is obtainable via a process comprising a controlled radical polymerization comprising control groups, and

the mole ratio of the number of control groups to the number of polymerizable groups in the crosslinking monomer R ranges from 0.05 to 0.5.

9. The composition of claim 1 , wherein the nanogel comprises hydrophilic neutral units C Nphilic derived from a hydrophilic neutral monomer C Nphilic .

10. The composition of claim 9 , wherein the mole ratio of the units C cat to the units ranges from 1/99 to 50/50.

11. The composition of claim 1 , wherein the at least one cationic or potentially cationic monomer C cat comprises:

a N,N-dimethylaminomethyl-acrylamide or -methacrylamide;

a 2-(N,N-dimethylamino)ethyl-acrylamide or -methacrylamide;

a 3-(N,N-dimethylamino)propyl-acrylamide or -methacrylamide;

a 4-(N,N-dimethylamino)butyl-acrylamide or -methacrylamide;

a 2-(dimethylamino)ethyl acrylate (ADAM);

a 2-(dimethylamino)ethyl methacrylate (DMAM or MADAM);

a 3-(dimethylamino)propyl methacrylate, 2-(tert-butylamino)ethyl methacrylate;

a 2-(dipentylamino)ethyl methacrylate;

a 2-(diethylamino)ethyl methacrylate;

a vinylpyridine;

a vinylamine;

a vinylimidazoline;

a trimethylammoniumpropyl methacrylate chloride;

a trimethylammoniumethylacrylamide or methacrylamide chloride or bromide;

a trimethylammoniumbutylacrylamide or methacrylamide methyl sulfate;

a trimethylammoniumpropylmethacrylamide methyl sulfate (MAPTA MeS);

a (3-methacrylamidopropyl)trimethylammonium chloride (MAPTAC);

a (3-acrylamidopropyl)trimethylammonium chloride (APTAC);

a methacryloyloxyethyltrimethylammonium chloride or methyl sulfate;

an acryloyloxyethyltrimethylammonium salt (ADAMQUAT);

a 1-ethyl-2-vinylpyridinium or 1-ethyl-4-vinylpyridinium bromide, chloride or methyl sulfate;

a N,N-dimethyldiallylammonium chloride (DADMAC);

a dimethylaminopropylmethacrylamide N-(3-chloro-2-hydroxypropyl)trimethylammonium chloride (DIQUAT);

the monomer of formula

wherein X − comprises an anion; or

a combination thereof.

12. The composition of claim 1 , wherein the optional neutral units C N comprise a hydrophilic neutral units C Nphilic derived from monomers C Nphilic comprising:

hydroxyethyl acrylates or methacrylates,

acrylamide,

methacrylamide,

vinyl alcohol,

vinylpyrrolidone, or

vinylcaprolactam.

13. The composition of claim 1 , wherein the nanogel comprises a molar mass of at least 350,000 g/mol.

14. The composition of claim 1 , wherein said composition is adapted to treat hard surfaces or textile surfaces.

15. The composition of claim 1 , further comprising at least one surfactant.

16. A method for treating a hard or textile surface comprising contacting said surface with a composition comprising:

a cationic nanogel, comprising chemically crosslinked macromolecules comprising a core C,

wherein said nanogel comprises:

crosslinking units R derived from a crosslinking monomer R comprising at least two polymerizable groups, and

core units C derived from at least one monomer C comprising only one polymerizable group, comprising:

wherein the core units C comprise:

cationic or potentially cationic units C cat derived from at least one cationic or potentially cationic monomer C cat , and

optionally, hydrophilic or hydrophobic neutral units C N , derived from at least one hydrophilic or hydrophobic neutral monomer C N ,

further wherein:

the nanogel is different than a star copolymer that comprises macromolecular branches at the periphery of the core, and

the average size of said macromolecules ranges from 5 to 500 nm.

17. The method of claim 16 , wherein:

contacting said surface comprises washing laundry by hand or in a semiautomatic machine, and

the cationic nanogel stabilizes a foam and/or prevents redeposition of a soil.

18. The method of claim 16 , wherein:

the surface is a hard surface and treating the hard surface comprises cleaning the hard surface, and

the nanogel hydrophilizes the surface and/or prevents soiling of the surface.

19. The method of claim 16 , further comprising diluting the composition before treating the hard or textile surface.