Detergent composition for textile products

Patent metadata

Field	Value
Publication number	US-11634660-B2
Application number	US-201816638919-A
Country	US
Kind code	B2
Filing date	Sep 5, 2018
Priority date	Sep 6, 2017
Publication date	Apr 25, 2023
Grant date	Apr 25, 2023

Abstract

The present invention provides a detergent composition for textile products, containing the following component (A) and component (B):component (A): an internal olefin sulfonate having 16 or more and 18 or less carbons; andcomponent (B): an alkyl sulfate having 12 or more and 14 or less carbons.

First claim

The invention claimed is:

1. A detergent composition for textile products, comprising the following component (A), component (B) and water:
component (A): an internal olefin sulfonate having 16 or more and 18 or less carbons; and
component (B): one or more anionic surfactants selected from an alkyl sulfate having 12 or more and 14 or less carbons and an alkane sulfonate having 12 or more and 14 or less carbons,
wherein the component (A) is an internal olefin sulfonate having 16 or more and 18 or less carbons and, in the internal olefin sulfonate, a mass ratio of an internal olefin sulfonate having the sulfonate group at position 2 or higher and 4 or lower and having 16 or more and 18 or less carbons (IO-1S) to an internal olefin sulfonate having the sulfonate group at position 5 or higher and having 16 or more and 18 or less carbons (IO-2S), (IO-1S)/(IO-2S), is 0.75 or more and 5.5 or less;
wherein a mass ratio of the content of the component (B) to the content of the component (A), (B)/(A), is 0.25 or more and 6 or less, and
wherein the composition is used by diluting with water having a hardness of 4° dH or more in terms of German hardness and the total content of component A and the total content of component B is 1 mass % or more and 50 mass % or less.

2. The detergent composition for textile products according to claim 1 , wherein the content of one or more anionic surfactants selected from an alkyl sulfate having 12 carbons and an alkane sulfonate having 12 carbons in the whole component (B) contained in the detergent composition for textile products is 50 mass % or more and 100 mass % or less.

3. The detergent composition for textile products according to claim 1 , wherein the content of an internal olefin sulfonate having 16 carbons in the component (A) is 0 mass % or more and 80 mass % or less.

4. The detergent composition for textile products according to claim 1 , wherein a proportion of the total amount of the component (A) and the component (B) in all surfactants contained in the detergent composition for textile products is 50 mass % or more and 100 mass % or less.

5. The detergent composition for textile products according to claim 1 , wherein a proportion of the total amount of the component (A) and the component (B) in all anionic surfactants contained in the detergent composition for textile products is 50 mass % or more and 100 mass % or less.

6. A method for cleaning a textile product, comprising cleaning the textile product with a cleaning liquid in which the detergent composition for textile products according to claim 1 is diluted with water, and
wherein the diluting water is water having a hardness of 4° dH or more in terms of German hardness.

7. The method for cleaning a textile product according to claim 6 , wherein a total concentration of the component (A) and the component (B) in the cleaning liquid is 0.001 mass % or more and 0.1 mass % or less.

8. The method for cleaning a textile product according to claim 6 , wherein a pH of the cleaning liquid at 20° C. is 5 or more and 10 or less.

9. The method for cleaning a textile product according to claim 6 , wherein a hardness of water for diluting the composition is 1° dH or more and 20° dH or less in terms of German hardness.

10. A method for producing a detergent composition for textile products, comprising mixing the following component (A), component (B) and water:
component (A): an internal olefin sulfonate having 16 or more and 18 or less carbons; and
component (B): one or more anionic surfactants selected from an alkyl sulfate having 12 or more and 14 or less carbons and an alkane sulfonate having 12 or more and 14 or less carbons,
wherein the component (A) is an internal olefin sulfonate having 16 or more and 18 or less carbons and, in the internal olefin sulfonate, a mass ratio of an internal olefin sulfonate having the sulfonate group at position 2 or higher and 4 or lower and having 16 or more and 18 or less carbons (IO-1S) to an internal olefin sulfonate having the sulfonate group at position 5 or higher and having 16 or more and 18 or less carbons (IO-2S), (IO-1S)/(IO-2S), is 0.75 or more and 5.5 or less;
wherein a mass ratio of the content of the component (B) to the content of the component (A), (B)/(A), is 0.25 or more and 6 or less, and
wherein the diluting water is water having a hardness of 4° dH or more in terms of German hardness and the total content of component A and the total content of component B is 1 mass % or more and 50 mass % or less.

11. A method for improving the resistance to hardness of a detergent composition for textile products, comprising using the following component (A) and the component (B) in combination:
component (A): an internal olefin sulfonate having 16 or more and 18 or less carbons; and
component (B): one or more anionic surfactants selected from an alkyl sulfate having 12 or more and 14 or less carbons and an alkane sulfonate having 12 or more and 14 or less carbons,
wherein the component (A) is an internal olefin sulfonate having 16 or more and 18 or less carbons and, in the internal olefin sulfonate, a mass ratio of an internal olefin sulfonate having the sulfonate group at position 2 or higher and 4 or lower and having 16 or more and 18 or less carbons (IO-1S) to an internal olefin sulfonate having the sulfonate group at position 5 or higher and having 16 or more and 18 or less carbons (IO-2S), (IO-1S)/(IO-2S), is 0.75 or more and 5.5 or less;
wherein a mass ratio of the content of the component (B) to the content of the component (A), (B)/(A), is 0.25 or more and 6 or less, and
wherein the diluting water is water having a hardness of 4° dH or more in terms of German hardness and the total content of component A and the total content of component B is 1 mass % or more and 50 mass % or less.

Assignees

• Kao Corp

Inventors

• Morikawa Satoshi
• ISHIHARA Ayako

Classifications

• C11D1/37 Primary

  Mixtures of compounds all of which are anionic · CPC title

• D06M13/256

  Sulfonated compounds {esters thereof, e.g. sultones} · CPC title

• C11D1/143

  Sulfonic acid esters · CPC title

• C07C309/20

  of an acyclic unsaturated carbon skeleton · CPC title

• C11D1/12

  Sulfonic acids or sulfuric acid esters; Salts thereof · CPC title