Laundry detergent composition containing cellulase and graft copolymer

Abstract

A laundry detergent composition containing a graft copolymer and cellulase.

Claims

1. A laundry detergent composition, 1) A graft copolymer, a) A polyalkylene oxide having a number-average molecular weight of 1,000 to 20,000 Daltons, and based on ethylene oxide, propylene oxide, butylene oxide, or a mixture thereof, b) N-vinylpyrrolidone and, c) comprising a vinyl ester derived from a saturated monocarboxylic acid containing 1 to 6 carbon atoms and / or a methyl or ethyl ester of acrylic acid or methacrylic acid, (a): The weight ratio of (b) is 1:0.1 to 1:2, A graft copolymer in which the amount of (a) is greater than the amount of (c) by weight, 2) A cellulase which is a polypeptide having at least 60% sequence identity with the polypeptide of SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, or SEQ ID NO: 6, A laundry detergent composition containing [a specific ingredient].

2. In the aforementioned graft copolymer, a) The polyalkylene oxide contains ethylene oxide units, preferably consisting of ethylene oxide units. c) The laundry detergent composition according to claim 1, wherein the vinyl ester contains vinyl acetate, and preferably consists of vinyl acetate.

3. In the aforementioned graft copolymer, a) The polyalkylene oxide contains ethylene oxide units and propylene oxide units, preferably consisting of ethylene oxide units and propylene oxide units. c) The laundry detergent composition according to claim 1, wherein the vinyl ester contains vinyl acetate, and preferably consists of vinyl acetate.

4. The laundry detergent composition according to any one of claims 1 to 3, wherein the polyalkylene oxide has a number-average molecular weight of 2,000 to 15,000 daltons.

5. The laundry detergent composition according to any one of claims 1 to 4, wherein the weight ratio of (a):(c) in the graft copolymer is 1.0:0.1 to 1.0:0.99, preferably 1.0:0.3 to 1.0:0.

9.

6. The laundry detergent composition according to any one of claims 1 to 5, wherein the graft copolymer has a weight-average molecular weight of 4,000 Da to 100,000 Da, preferably 5,000 Da to 100,000 Da, more preferably 5,000 Da to 50,000 Da, and most preferably 8,000 Da to 20,000 Da.

7. The laundry detergent composition according to any one of claims 1 to 6, wherein the cellulase comprises a fungal endoglucanase exhibiting endo-beta-1,4-glucanase activity or a mixture thereof.

8. The cellulase is a polypeptide having at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100% sequence identity with the polypeptide of SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, or SEQ ID NO:

6. Preferably, the cellulase is a fungal endoglucanase or a mixture thereof that exhibits endo-beta-1,4-glucanase activity according to Test 2: Endo-beta-1,4-glucanase activity. More preferably, the cellulase is derived from the genera Humicola, Fusarium, Rhizopus, Acremonium, Myceliophthora, Ascomycota, Thielavia, Staphylotrichum, Melanocarpus, or Aspergillus. More preferably, the cellulase is derived from Sordaria fimicola, Humicola insolens, Thielavia terrestris, Staphylotrichum coccosporum, or Melanocarpus albomyces. Most preferably, the cellulase has CAS number 9012-54-8, the laundry detergent composition according to any one of claims 1 to 7.

9. The composition is About 0.01% to about 15% by weight, preferably about 0.05% to about 10% by weight, more preferably about 0.1% to about 5% by weight, and most preferably about 0.2% to about 3% by weight of the graft copolymer in the composition, and / or The cellulase in an amount of about 0.0001% to about 0.1% by weight, preferably about 0.0003% to about 0.08% by weight, more preferably about 0.0004% to about 0.05% by weight, and most preferably about 0.0005% to about 0.02% by weight of the composition. A laundry detergent composition according to any one of claims 1 to 8, comprising:

10. A laundry detergent composition according to any one of claims 1 to 9, further comprising a polyvinylpyrrolidone (PVP) polymer, a polyamine N-oxide polymer, a polyvinylimidazole (PVI) polymer, a copolymer of N-vinylpyrrolidone and N-vinylimidazole (PVP / PVI), a polyvinyloxazolidone polymer, a poly(vinylpyridine-N-oxide) (PVNO) polymer, a poly(vinylpyrrolidone) co-poly(vinylpyridine-N-oxide) (PVP / PVNO) polymer, a copolymer of vinylpyrrolidone and vinyl acetate (PVP / VA), and a dye transfer inhibitor (DTI) polymer selected from the group consisting of any mixtures thereof.

11. The surfactant system further comprises anionic surfactants, nonionic surfactants, and any combination thereof. The anionic surfactant includes linear alkylbenzene sulfonate (LAS), alkyl ethoxylated sulfate (AES), alkyl sulfate (AS), methyl ester sulfonate (MES), alkyl ether carboxylate (AEC), C ６ to C ２４ branched alkyl sulfonate or sulfate, or any combination thereof, preferably, the anionic surfactant is C ６ to C ２０ linear alkylbenzene sulfonate (LAS), C ６ to C ２０ alkyl ethoxylated sulfate (AES), C ６ to C ２０ alkyl sulfate (AS), C １２ to C ２４ selected from the group consisting of branched alkyl sulfate, and any combination thereof, and / or The nonionic surfactant comprises alkylalkoxylated alcohols, alkylalkoxylated phenols, alkyl polysaccharides, polyhydroxy fatty acid amides, alkoxylated fatty acid esters, and any combination thereof, preferably the nonionic surfactant is of formula (1): 2 １２ X-[(59) ｓ / (O) ｔ )-2 １３ ．．．（１） (In the formula, R １２ is a linear or branched alkyl group having 8 to 18 carbon atoms, X is -O or -C(O)O-, and R １３ (where is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, s represents the average repeat of EO, t represents the average repeat of PO, s is 3 to 20, t is 0 to 6, EO represents ethylene oxide, PO represents propylene oxide, and EO and PO may be arranged in a mixture.) A laundry detergent composition according to any one of claims 1 to 10, selected from nonionic surfactants represented by .

12. The surfactant system is represented by formula (1) or (2) C １２ ~C ２４ Laundry detergent composition according to claim 11, comprising a branched alkyl sulfate: 【Chemistry 1】 (In the formula, R １ and R ２ Each of them is a linear alkyl group, R １ and R ２ The total number of carbon atoms is 11 to 23 carbon atoms, M １ (is the counterion); 【Chemistry 2】 (In the formula, R ３ and R ４ Each of them is a linear alkyl group having 6 to 12 carbon atoms, X is an alkylene group having 1 to 3 carbon atoms, and R ３ , R ４ The total number of carbon atoms in X is 11 to 23 carbon atoms, M ２ (This is the counterion.)

13. The laundry detergent composition according to any one of claims 1 to 12, wherein the composition further comprises a processing aid, preferably selected from the group consisting of fatty acids and / or salts thereof, enzymes, encapsulation beneficial agents, stain-releasing polymers, colorants, builders, chelating agents, color transfer inhibitors, dispersants, enzyme stabilizers, antioxidants, catalytic materials, bleaching agents, bleaching catalysts, bleaching activators, polymer dispersants, stain removers / anti-re-adhesion agents, polymer grease cleaners, amphiphilic copolymers, glossing agents, anti-foaming agents, dyes, colorants, fragrances, structural elasticizers, fabric softeners, carriers, fillers, hydrotropes, solvents, antimicrobial agents and / or preservatives, neutralizing agents and / or pH adjusters, processing aids, rheology adjusters and / or structuring agents, opacifying agents, pearlescent agents, pigments, corrosion inhibitors and / or colorfast agents, and mixtures thereof.

14. The laundry detergent composition according to any one of claims 1 to 13, wherein the composition is in the form of a liquid composition, a granular composition, a single-compartment pouch, a multi-compartment pouch, a sheet, a fragrance tablet or beads, a fibrous article, a tablet, a bar, a flake, or a mixture thereof.

15. The use of a graft copolymer in improving the stability of cellulase in a laundry detergent composition containing the graft copolymer and the cellulase, The aforementioned graft copolymer a) A polyalkylene oxide having a number-average molecular weight of 1,000 to 20,000 Daltons, and based on ethylene oxide, propylene oxide, butylene oxide, or a mixture thereof, b) N-vinylpyrrolidone and, c) comprising a vinyl ester derived from a saturated monocarboxylic acid containing 1 to 6 carbon atoms and / or a methyl or ethyl ester of acrylic acid or methacrylic acid, (a): The weight ratio of (b) is 1:0.1 to 1:2, Based on weight, the amount of (a) is greater than the amount of (c). The cellulase is a polypeptide having at least 60% sequence identity with the polypeptide of SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, or SEQ ID NO: 6.

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