JP2015143329A5 - - Google Patents

Claims (18)

(A) component: Anionic surfactant 0.1 mass% or more, 50 mass% or less,
Component (b): a carboxylic acid having a primary acid dissociation constant of 1 or more and 5 or less, a maximum acid dissociation constant of 7 or less, and a molecular weight of 46 or more and 5,000 or less 1% by mass or more and 15% by mass And (c) component: one or more compounds selected from inorganic sulfates and inorganic halogen compounds 30% by mass or more and 80% by mass or less of a powder detergent composition,
As component (a), the carbon number of the alkyl group is 10 or more and 16 or less, the polyoxyethylene alkylsulfuric acid ester salt having an ethylene oxide average addition mole number of 1 or more and 3 or less, and the carbon number of the alkyl group is 10 or more and 16 or less. 1 or more types chosen from alkylbenzene sulfonate, and the alkyl sulfate ester salt whose carbon number of an alkyl group is 10 or more and 16 or less,
A polyoxyethylene alkylsulfuric acid ester salt having an alkyl group having 10 to 16 carbon atoms and an ethylene oxide average addition mole number of 1 to 3 is represented as (a) _AES, and the alkyl group has 10 to 16 carbon atoms. the following alkylbenzene sulfonate indicated as _{(a) LAS,} the number of carbon atoms in the alkyl group is 10 or more, and the display 16 following the alkyl sulfate and _{(a) aS, (a) aS} / [(a) _AES + (a) _LAS ] has a mass ratio of 0.05 or more and 0.9 or less,
The mass ratio of (a) component / (b) component is 1 or more and 40 or less,
The content of inorganic carbonate having a solubility in 100 g of water at 20 ° C. of 0.1 g or more is 10% by mass or less,
Protein content is 1 mg / enzyme granulation 1 g or more, 300 mg / enzyme granulation 1 g or less protease granulation product and protein content 1 mg / enzyme granulation 1 g or more, 300 mg / enzyme granulation 1 g or less The total content of cellulase granulate is 4% by mass or less,
When the powder detergent composition is diluted 300 times with water at 20 ° C., the pH is 2.5 or more and 6.5 or less.
Powder cleaning composition. The pH of the powder detergent composition is 3.4 or more and 6.5 or less when diluted 300 times with 20 ° C water having an alkalinity of 100 mg / L and a hardness of 10 ° DH. Powder cleaning composition.   The powder cleaning composition according to claim 1 or 2, wherein the total content of protease and cellulase is 0.2% by mass or less in terms of protein content. The mass ratio of (a) _AS to the total amount of (a) _AES and (a) _LAS is (a) _AS / [(a) _AES + (a) _LAS ], and is 0.05 or more and 0.5 or less. there, any one powder detergent composition according to claims 1-3. The powder washing according to any one of claims 1 to 4, wherein a ratio of (a) _AES , (a) _LAS, and (a) _{AS in} the component (a) is 80% by mass or more and 100% by mass or less. Agent composition. The powder cleaning composition of any one of Claims 1-5 which contains (a) component 10 mass% or more and 40 mass% or less . (B) Powder cleaning composition of any one of Claims 1-6 whose molecular weight of 46 or more and 500 or less. The powder detergent composition according to any one of claims 1 to 7 , wherein the solubility of the component (b) in 100 g of water at 20 ° C is from 0.2 g to 500 g . Component (b) is citric acid, malonic acid, maleic acid, fumaric acid, formic acid, oxalic acid, propionic acid, lactic acid, acetic acid, malic acid, tartaric acid, succinic acid, glycolic acid, benzoic acid, salicylic acid, phthalic acid, 1 A powder detergent composition according to any one of claims 1 to 8 , which is a carboxylic acid selected from 1,2,3-benzenetricarboxylic acid, 1,2,4,5-benzenetetracarboxylic acid and salts thereof. . The powder cleaning composition of any one of Claims 1-9 which contains (b) component 1 mass% or more and 10 mass% or less. The powder cleaning composition in any one of Claims 1-10 whose mass ratio of (a) component / (b) component is 1 or more and 20 or less. The powder cleaning composition according to any one of claims 1 to 11, wherein the component (c) is a compound selected from sodium sulfate, magnesium sulfate, sodium chloride and magnesium chloride. The nonionic surfactant is contained in an amount of 0% by mass or more and 30% by mass or less as the component (d), and the mass ratio of the component (d) / (a) is 0/100 or more and 70/30 or less. any one powder detergent composition according 1-12. The powder cleaning composition of Claim 13 whose (d) component is a compound of the following general formula (1).
R ¹ -O [(EO) _a / (PO) _b ] -H (1)
[In the formula, R ¹ Represents an alkyl group or an alkenyl group having 10 to 18 carbon atoms. EO is an ethyleneoxy group and PO is a propyleneoxy group. a is the number average addition mole number and is a number of 0 or more and 30 or less, b is the number average addition mole number and is a number of 0 or more and 10 or less, and the case where both a and b are 0 is excluded. ] The powder cleaning composition of any one of Claims 1-14 whose content of the inorganic carbonate whose solubility with respect to 100 g of water of 20 degreeC is 0.1 g or more is 8 mass% or less in a composition. . The powder cleaning composition according to any one of claims 1 to 15, which is used for washing clothes. The powder cleaning composition of any one of Claims 1-15 used for washing | cleaning of tableware. A method for washing clothes by hand, wherein the powder detergent composition according to any one of claims 1 to 16 is used.