Consumer product compositions comprising microcapsules

1. A consumer product composition comprising

a consumer product adjunct ingredient;

microcapsules comprising a shell material encapsulating a core material, said core material being disposed within said shell material, wherein said shell material comprises a polyacrylate polymer and said core material comprises a benefit agent; and

deposition polymer having a Water Uptake Value (WUV) of at least about 2 g/g disposed on an outer surface of said microcapsule, wherein said deposition polymer is selected from the group consisting of:

a. chitosan;

b. a cationic co-polymer having a formula:

wherein

x is an integer selected such that the monomer units constitute less than 91% by weight of the cationic co-polymer;

y is an integer selected such that the monomer units constitute greater than 9% by weight of the cationic co-polymer;

each R1 is independently selected from the group consisting of H and CH 3 ;

each R2 is independently selected from the group consisting of H and CH 3 ; and

X − is a charge-balancing anion;

wherein said cationic co-polymer has a viscosity of at least 0.09 poise;

c. a nonionic terpolymer having a formula:

wherein

x is an integer selected such that the monomer units constitute from about 65% to about 91% by weight of the nonionic terpolymer;

y is an integer selected such that the monomer units constitute from about 6% to about 35% by weight of the nonionic terpolymer;

z is an integer selected such that the monomer units constitute from about 1% to about 4% by weight of the nonionic terpolymer;

each R1 is independently selected from the group consisting of H and CH 3 ;

each R2 is independently selected from the group consisting of H and CH 3 ; and

each R3 is independently a C 12 -C 32 alkyl group;

wherein said nonionic terpolymer has a viscosity of at least 0.8 poise;

d. a block co-polymer having a formula:

x and y are integers independently selected such that a molar ratio of monomer units represented by x to monomer units represented by y is from about 1.6:1 to about 2.5:1 by weight of the block co-polymer;

each R1 is independently selected from the group consisting of H and CH 3 ;

each R2 is independently selected from the group consisting of H and CH 3 ; and

each R3 is independently a C 1 -C 18 alkyl group;

wherein said block co-polymer has a number average molecular weight of at least about 11 kDa; and

e. mixtures thereof.

2. The consumer product composition of claim 1 , wherein said deposition polymer has a Water Uptake Value of at least about 3 g/g.

3. The consumer product composition of claim 2 , wherein said deposition polymer has a Water Uptake Value of at least about 4 g/g.

4. The consumer product composition of claim 1 , wherein said deposition polymer is chitosan.

5. The consumer product composition of claim 4 , wherein said chitosan has a weight average molecular weight of at least about 100 kDa and/or a degree of deacetylation of at least about 50%.

6. The consumer product composition of claim 4 , wherein said chitosan has a degree of de-acetylation of at least about 60% and a weight average molecular weight of at least about 10 kDa.

7. The consumer product composition of claim 4 , wherein said chitosan has either:

said weight average molecular weight of at least about 500 kDa and said degree of de-acetylation of at least about 50%, or

said weight average molecular weight of at least about 10 kDa and said degree of de-acetylation of at least about 70%.

8. The consumer product composition of claim 4 , wherein said chitosan has a viscosity of at least about 0.01 poise.

9. The consumer product composition of claim 1 , wherein said deposition polymer is a cationic co-polymer having a formula:

wherein

x is an integer selected such that the monomer units constitute less than 91% by weight of the cationic co-polymer;

y is an integer selected such that the monomer units constitute greater than 9% by weight of the cationic co-polymer;

each R1 is independently selected from the group consisting of H and CH 3 ;

each R2 is independently selected from the group consisting of H and CH 3 ; and

X − is a charge-balancing anion;

wherein said cationic co-polymer has a viscosity of at least 0.09 poise.

10. The consumer product composition of claim 9 , wherein said cationic co-polymer has a viscosity of from 0.09 to about 50 poise.

11. The consumer product composition of claim 9 , wherein said cationic co-polymer has a number average molecular weight of from about 10 to about 5,000 kDa.

12. The consumer product composition of claim 9 , wherein

x is an integer selected such that the monomer units constitute from about 10% to about 85% by weight of the cationic co-polymer; and

y is an integer selected such that the monomer units constitute from about 15% to about 90% by weight of the cationic co-polymer.

13. The consumer product composition of claim 9 , wherein

x is an integer selected such that the monomer units constitute about 40% by weight of the cationic co-polymer;

y is an integer selected such that the monomer units constitute about 60% by weight of the cationic co-polymer;

R1 is H; and

R2 is H.

14. The consumer product composition of claim 1 , wherein said deposition polymer is a nonionic terpolymer having a formula:

wherein

x is an integer selected such that the monomer units constitute from about 65% to about 91% by weight of the nonionic terpolymer;

y is an integer selected such that the monomer units constitute from about 6% to about 35% by weight of the nonionic terpolymer;

z is an integer selected such that the monomer units constitute from about 1% to about 4% by weight of the nonionic terpolymer;

each R1 is independently selected from the group consisting of H and CH 3 ;

each R2 is independently selected from the group consisting of H and CH 3 ; and

each R3 is independently a C 12 -C 32 alkyl group;

wherein said nonionic terpolymer has a viscosity of at least 0.8 poise.

15. The consumer product composition of claim 14 , wherein said nonionic terpolymer has a viscosity of from 0.8 to about 50 poise.

16. The consumer product composition of claim 14 , wherein said nonionic terpolymer has a number average molecular weight of from about 100 to about 5,000 kDa.

17. The consumer product composition of claim 14 , wherein

x is an integer selected such that the monomer units constitute from about 67% to about 90% by weight of the nonionic terpolymer;

y is an integer selected such that the monomer units constitute from about 7% to about 30% by weight of the nonionic terpolymer;

z is an integer selected such that the monomer units constitute from about 2% to about 3.5% by weight of the nonionic terpolymer.

18. The consumer product composition of claim 1 , wherein said deposition polymer is a block co-polymer having a formula:

x and y are integers independently selected such that a molar ratio of monomer units represented by x to monomer units represented by y is from about 1.6:1 to about 2.5:1 by weight of the block co-polymer;

each R1 is independently selected from the group consisting of H and CH 3 ;

each R2 is independently selected from the group consisting of H and CH 3 ; and

each R3 is independently a C 1 -C 18 alkyl group;

wherein said block co-polymer has a number average molecular weight of at least about 11 kDa.

19. The consumer product composition of claim 18 , wherein said block co-polymer has a number average molecular weight of from about 11 to about 45 kDa.

20. The consumer product composition of claim 18 , wherein x and y are integers independently selected such that the molar ratio of monomer units represented by x to monomer units represented by y is from about 2.5 to about 1 by weight of the block co-polymer.

21. The consumer product composition of claim 1 , wherein said deposition polymer is present in an amount of from about 0.01% to about 8%, by weight of the microcapsules.

22. The consumer product composition of claim 1 , wherein said benefit agent is a perfume.

23. The consumer product composition of claim 1 , wherein said core material further comprises a partitioning modifier selected from the group consisting of vegetable oil, modified vegetable oil, isopropyl myristate, propan-2-yl tetradecanoate, and mixtures thereof.

24. The consumer product composition of claim 1 , wherein said polyacrylate polymer comprises a cross-linked polyacrylate polymer.

25. The consumer product composition of claim 1 , wherein said polyacrylate polymer comprises a polymer derived from a material comprising a multifunctional acrylate moiety selected from the group consisting of tri-functional acrylate, tetra-functional acrylate, penta-functional acrylate, hexa-functional acrylate, hepta-functional acrylate, and mixtures thereof.

26. The consumer product composition of claim 1 , wherein said polyacrylate polymer comprises a moiety selected from the group consisting of amine acrylate moiety, methacrylate moiety, a carboxylic acid acrylate moiety, carboxylic acid methacrylate moiety, and combinations thereof.

27. The consumer product composition of claim 1 , wherein said polyacrylate polymer comprises a polymer derived from a first material comprising a multifunctional acrylate moiety.

28. The consumer product composition of claim 1 , wherein said shell material further comprises from about 0.5% to about 40%, by weight of said shell material, of polyvinyl alcohol.

29. The consumer product composition of claim 1 , wherein said microcapsules have a volume weighted median particle size of from about 3 to about 60 microns.

30. The consumer product composition of claim 1 , wherein said deposition polymer is combined with said microcapsules before said microcapsules are combined with said consumer product adjunct ingredient.

31. The consumer product composition of claim 1 , wherein said consumer product composition comprises from about 0.001% to about 25%, by weight of the consumer product composition, of said microcapsules.

32. The consumer product composition of claim 1 , wherein said consumer product adjunct ingredient is selected from the group consisting of surfactant, conditioning agent, and mixtures thereof.

33. The consumer product composition of claim 32 , wherein said surfactant is selected from the group consisting of anionic surfactant, nonionic surfactant, and mixtures thereof.

34. The consumer product composition of claim 32 , wherein said conditioning agent is selected from the group consisting of cationic surfactant, a silicone material, and mixtures thereof.

35. The consumer product composition of claim 1 , wherein said consumer product composition is encased in a film to form an encased consumer product composition.

36. A method of depositing a microcapsule on a surface, said method comprising the step of contacting said surface with a consumer product composition of claim 1 .

37. The method of claim 36 , wherein said surface is a fabric.

38. The method of claim 36 , wherein said surface is hair.