COPOLYMER FOR SURFACE PROCESSING OR MODIFICATION

• US 20110195889A1
• Filed: 08/21/2009
• Published: 08/11/2011
• Est. Priority Date: 08/26/2008
• Status: Active Grant

• Current Assignee: Specialty Operations France
• Original Assignee: Rhodia Operations (Solvac SA)
• Inventors: Bzducha, Wojciech, Karagianni, Katerina
• Granted Patent: US 8,658,586 B2
• Time in Patent Office: Days
• US Class Current: 510/360
• CPC Class Codes: C11D 3/3769 (Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines
• CPC Class Codes: C11D 3/3773 in liquid compositions
• CPC Class Codes: C11D 3/3776 Heterocyclic compounds, e.g. lactam

Abstract

The invention relates to a composition for processing and/or modifying surfaces, particularly hard surfaces or textile surfaces. The composition includes a synthetic copolymer including cationic units and other units

Claims

1-22. -22. (canceled)

23. A composition for treating and/or modifying surfaces comprising a copolymer comprising cationic units A and other units B, wherein:

the units A comprise at least one quaternary ammonium group or one inium group, and

the units B are units deriving from a monomer of formula;

CH₂═

CR¹—

CO—

X—

R²—

OH

wherein

—

R¹ is a hydrogen atom or a methyl group;

X is —

O—

or —

NH—

; and

R² comprises a divalent C₁-C₄ group.

24. The composition of claim 23, wherein the copolymer is a linear random copolymer.

25. The composition of claim 23, wherein the units A and B comprise from 1 to 100 mol % of the units of the copolymer.

26. The composition of claim 23, wherein the copolymer comprises:

from 1 to 25 mol % of units A,

from 50 to 99 mol % of units B, and

optionally other units,

further wherein the total of all of the units is equal to 100 mol %.

27. The composition of claim 23, wherein the molar ratio of the units A to the units B ranges from 1/99 to 25/75.

28. The composition of claim 23, wherein the copolymer further comprises:

hydrophilic or hydrophobic nonionic units C_N,

anionic or potentially anionic units C_A,

cationic or potentially cationic units C_C, which are different from the units A, and/or

zwitterionic units C_Z.

29. The composition of claim 28, wherein the copolymer comprises units C_N deriving from a vinyllactam.

30. The composition of claim 29, wherein the copolymer comprises:

from 1 to 25 mol % of units A,

from 50 to 98 mol % of units B, and

from 1 to 49 mol % of units deriving from a vinyllactam,

wherein the total of all units is equal to 100 mol %.

31. The composition of claim 23, wherein:

the copolymer is substantially devoid of zwitterionic units, and

the copolymer is substantially devoid of anionic or potentially anionic units.

32. The composition of claim 23, wherein:

R¹ is a hydrogen atom,

X is —

O—

, and

R² comprises a divalent C₁-C₄ alkyl group.

33. The composition of claim 23, wherein the units A comprise units deriving from the following cationic monomers A:

trimethylammoniopropyl methacrylate chloride;

trimethylammonioethylacrylamide;

methacrylamide chloride or bromide;

trimethylammoniobutylacrylamide;

methylacrylamide methyl sulfate;

trimethylammoniopropylmethacrylamide methyl sulfate (MAPTA MeS);

(3-methacrylamidopropyl)trimethylammonium chloride (MAPTAC);

(3-acrylamidopropyl)trimethylammonium chloride (APTAC);

methacryloyloxyethyltrimethylammonium chloride or methyl sulfate;

acryloyloxyethyltrimethylammonium salts (ADAMQUAT);

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

N,N-dimethyldiallylammonium chloride (DADMAC);

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

a monomer of formula;

34. The composition of claim 23, wherein the units A derive from N,N-dimethyldiallylammonium chloride (DADMAC), and the units B derive from hydroxyethyl acrylate (HEA).

35. The composition of claim 23, further comprising at least one surfactant.

36. The composition of claim 23, further comprising at least one liquid vector.

37. The composition of claim 23, wherein the surface comprises a textile or a hard surface.

38. The composition of claim 23, wherein the treatment comprises cleaning dishes automatically or by hand.

39. A process comprising treating or modifying a surface with a composition comprising a copolymer comprising cationic units A and other units B, wherein:

the units A comprise at least one quaternary ammonium group or one inium group, and

the units B are units deriving from a monomer of formula;

CH₂═

CR¹—

CO—

X—

R²—

OH

wherein

R¹ comprises a hydrogen atom or a methyl group;

X comprises —

O—

or —

NH—

; and

R² comprises a divalent C₁-C₄ group.

40. The process of claim 39, wherein the composition further comprises at least one surfactant.

41. The process of claim 39, wherein the surface comprises a textile or a hard surface.

42. The process of claim 39, wherein the copolymer promotes dewetting and/or rapid and/or mark-free drying of said surface.

43. The process of claim 39, wherein the surface comprises a textile, and the copolymer protects the color of the textile or prevents color transfer.

44. The process of claim 39, wherein treating or modifying the surface comprises applying said composition to the surface,

further wherein said composition is optionally diluted in water before said application.