A SOLID COMPOSITION COMPRISING A POLYSACCHARIDE AND A HYDROPHOBIC COMPOUND, THE PROCESS AND USE THEREOF

• US 20170342346A1
• Filed: 12/22/2014
• Published: 11/30/2017
• Est. Priority Date: 12/22/2014
• Status: Active Grant

• Current Assignee: Specialty Operations France
• Original Assignee: Rhodia Operations (Solvac SA)
• Inventors: ZHANG, Hai Zhou, CHRISTOV, Nikolay, JIN, Da Wei, HE, Lin
• Granted Patent: US 10,155,918 B2
• Time in Patent Office: Days
• CPC Class Codes: C08K 5/101 of monocarboxylic acids
• CPC Class Codes: C08K 5/19 Quaternary ammonium compounds
• CPC Class Codes: C08L 1/08 Cellulose derivatives
• CPC Class Codes: C08L 5/00 Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
• CPC Class Codes: C08L 5/02 Dextran; Derivatives thereof
• CPC Class Codes: C08L 5/12 Agar or agar-agar , i.e. mixture of agarose and agaropectin; Derivatives thereof
• CPC Class Codes: C11D 1/62 Quaternary ammonium compounds
• CPC Class Codes: C11D 1/667 Neutral esters, e.g. sorbitan esters
• CPC Class Codes: C11D 3/001 Softening compositions
• CPC Class Codes: C11D 3/0015 liquid
• CPC Class Codes: C11D 3/2013 fatty or with at least 8 carbon atoms in the alkyl chain
• CPC Class Codes: C11D 3/2093 Esters; Carbonates
• CPC Class Codes: C11D 3/222 Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
• CPC Class Codes: C11D 3/225 etherified, e.g. CMC
• CPC Class Codes: C11D 3/227 with nitrogen-containing groups
• CPC Class Codes: C11D 3/38 Products with no well-defined composition , e.g. natural products
• CPC Class Codes: C11D 3/43 Solvents
• CPC Class Codes: D06M 13/46 Compounds containing quaternary nitrogen atoms hydrazinium compounds D06M13/338; betaines, sulfo-betaines D06M13/342
• CPC Class Codes: D06M 15/03 Polysaccharides or derivatives thereof
• CPC Class Codes: D06M 2200/50 Modified hand or grip properties; Softening compositions
• CPC Class Codes: D06M 23/08 : Processes in which the treating agent is applied in powder or granular form adhesives for multi-layer textile fabrics D06M17/00

Abstract

The present invention provides a solid composition comprising a polysaccharide and a hydrophobic compound having a melting point of between 30° C. and 90° C. The solid composition may further comprise a quaternary ammonium compound, wherein the weight ratio of the polysaccharide and the hydrophobic compound is between 1:50 and 50:1. Preferably, the solid composition is substantially free or completely free of water. The solid composition shows excellent stability at a temperature up to 45° C. The present invention also provides a process for preparing the solid composition and a liquid composition comprising said solid composition, and a method for conditioning a fabric by using said solid composition or said liquid composition as well.

Claims

1-19. -19. (canceled)

20. A solid composition comprising a polysaccharide and a hydrophobic compound having a melting point of between 30°

C. and 90°

C.

21. The solid composition according to claim 20, wherein the hydrophobic compound is an ester of fatty acid.

22. The solid composition according to claim 20, wherein the polysaccharide is a cationic polysaccharide, a nonionic polysaccharide, or a mixture thereof.

23. The solid composition according to claim 20, wherein the polysaccharide is a cationic guar, a nonionic guar, or a mixture thereof.

24. The solid composition according to claim 20, wherein the solid composition further comprises a quaternary ammonium compound, and the weight ratio of the polysaccharide and the hydrophobic compound is between 1:

50 and 50;

1.

25. The solid composition according to claim 24, wherein the weight ratio of the polysaccharide and the hydrophobic compound is between 1:

30 and 30;

1.

26. The solid composition according to claim 24, wherein the weight ratio of the polysaccharide and the hydrophobic compound is between 1:

10 and 10;

1.

27. The solid composition according to claim 24, wherein the quaternary ammonium compound has the general formula (I):

[N⁺(R₁)(R₂)(R₃)(R₄)]_yX⁻

 

 

(I)

wherein;

R₁, R₂, R₃ and R₄, which may be the same or different, is a C₁-C₃₀ hydrocarbon group, optionally containing a heteroatom or an ester or amide group;

X is an anion; and

y is the valence of X.

28. The solid composition according to claim 24, wherein the quaternary ammonium compound has the general formula (III):

[N⁺((CH₂)_n-T-R₈)₂(R₈)(R₉)]_yX⁻

 

 

(III)

wherein;

R₉ group is independently selected from C₁-C₄ alkyl or hydroxylalkyl group;

R₈ group is independently selected from C₁-C₃₀ alkyl or alkenyl group;

T is —

C(═

O)—

O—

or —

O—

C(═

O)—

;

n is an integer from 0 to 5;

X is an anion; and

y is the valence of X.

29. The solid composition according to claim 24, wherein the quaternary ammonium compound has the general formula (IV):

N⁺(C₂H₄—

OOCR₁₀)₂(CH₃)(C₂H₄—

OH)(CH₃)_zSO₄⁻

 

 

(IV)

wherein R₁₀ is a C₁₂-C₂₀ alkyl group; and

z is an integer from 1 to 3.

30. The solid composition according to claim 24, wherein the quaternary ammonium compound is selected from the group consisting of:

TET;

Di(tallowcarboxyethyl)hydroxyethyl methyl ammonium methylsulfate;

TEO;

Di(oleocarboxyethyl)hydroxyethyl methyl ammonium methylsulfate;

TES;

Distearyl hydroxyethyl methyl ammonium methylsulfate;

TENT;

Di(hydrogenated tallow-carboxyethyl)hydroxyethyl methyl ammonium methylsulfate;

TEP;

Di(palmiticcarboxyethyl)hydroxyethyl methyl ammonium methylsulfate;

DEEDMAC;

Dimethylbis[2-[(1-oxooctadecyl)oxy]ethyl]ammonium chloride; and

DHT;

Dihydrogenated tallowdimethylammonium chloride.

31. The solid composition according to claim 20, wherein the solid composition is substantially free or completely free of water.

34. A process for preparing a liquid composition, comprising the step of mixing the solid composition according to claim 20 with a solvent selected from water, organic solvents, or a mixture thereof.

35. A liquid composition obtained by the process according to claim 34.

36. The liquid composition according to claim 35, wherein the liquid composition is an aqueous fabric conditioning composition.

37. A method for conditioning a fabric, comprising the step of contacting the fabric with the solid composition according to claim 20 during a drying cycle of a dryer.

38. A method for conditioning a fabric, comprising the step of contacting the fabric with an aqueous medium comprising the liquid composition according to claim 35 during a rinse cycle of an automatic laundry machine or during manual wash.

32. A process for preparing a solid composition comprising the steps of:

(i) combining a polysaccharide, a hydrophobic compound having a melting point of between 30°

C. and 90°

C., and a quaternary ammonium compound to obtain a mixture; and

(ii) solidifying the mixture;

wherein the weight ratio of the polysaccharide and the hydrophobic compound is between 1;

50 and 50;

1.

33. The process according to claim 32, wherein the quaternary ammonium compound is melted, and the step (ii) is cooling the mixture.