Polymeric active ingredients which improve detergency

Patent metadata

Field	Value
Publication number	US-12384989-B2
Application number	US-201917270644-A
Country	US
Kind code	B2
Filing date	Aug 8, 2019
Priority date	Aug 27, 2018
Publication date	Aug 12, 2025
Grant date	Aug 12, 2025

Abstract

Described herein are methods of using amino-based alkoxylates for improving the cleaning power of laundry detergent compositions.

First claim

The invention claimed is:

1. A method of using a polymer comprising monoamino-based alkoxylates having an average molecular weight M w of 600-10 000 g/mol, the method comprising adding the polymer to a composition which is free of the polymer or to a washing liquor which comprises a composition which is free of the polymer, wherein the method enhances the primary detergency of laundry detergent compositions when washing textiles in aqueous and surfactant-containing washing liquid with respect to soiling, wherein the polymer comprises three chains of alkylene oxide units per nitrogen atom, wherein the soiling is surfactant- or enzyme-sensitive soiling, wherein the polymer comprises more than 50 mol % propylene oxide units, based on the sum total of all alkylene oxide units, wherein the polymer comprises, per alkylene oxide chain, 10 to 60 alkylene oxide units, wherein the polymer is obtainable by reacting a starter with an alkylene oxide, wherein the polymer is based on a starter selected from the group consisting of triethanolamine and triisopropanolamine.

2. The method of use according to claim 1 , wherein the amount of polymer added, based on the amount of composition which is free of the polymer, is in a range from 0.01% by weight to 20% by weight.

3. The method of use according to claim 1 , wherein the amount of polymer added, based on the amount of composition which is free of the polymer, is in a range from 1% by weight to 15% by weight.

4. The method according to claim 1 , wherein the polymer is according to the following formula:

wherein:
R is (CH 2 —CHR′O) n —(CH 2 CHR″O) m —H;
R′ is H, CH 3 , or CH 2 CH 3 ;
R″ is H, CH 3 , or CH 2 CH 3 ;
n is 0-18; and
m is 0-18.

5. A method for removing surfactant- or enzyme-sensitive soiling from textiles, the method comprising bringing a polymer comprising monoamino-based alkoxylates, having an average molecular weight M w of 600-10 000 g/mol, into contact with soiled textiles, wherein the polymer is in an aqueous and surfactant-containing washing liquor, wherein the soiling is surfactant- or enzyme-sensitive soiling, wherein the polymer comprises more than 50 mol % propylene oxide units, based on the sum total of all alkylene oxide units, wherein the polymer comprises, per alkylene oxide chain, 10 to 60 alkylene oxide units, wherein the polymer comprises three chains of alkylene oxide units per nitrogen atom, and wherein the polymer is based on a starter selected from the group consisting of triethanolamine and triisopropanolamine.

6. The method according to claim 5 wherein the washing liquor is produced by adding from 10 ml to 100 ml of a liquid water-containing laundry detergent composition to 12 liters to 60 liters of water.

7. The method according to claim 6 , wherein the composition has a surfactant concentration of at least 30% by weight.

8. The method according to claim 6 , wherein the composition has a surfactant concentration in a range from 30% by weight to 65% by weight.

9. The method according to claim 5 , wherein the polymer comprises more than 90 mol % propylene oxide units, based on the sum total of all alkylene oxide units.

10. The method according to claim 5 , wherein the polymer comprises exclusively propylene oxide units, based on the sum total of all alkylene oxide units.

11. The method according to claim 5 , wherein the polymer is based on triethanolamine.

12. The method according to claim 5 , wherein the polymer is based on triisopropanolamine.

13. The method according to claim 5 , wherein the polymer comprises, per alkylene oxide chain, 12 to 16 alkylene oxide units.

14. The method according to claim 5 , wherein the polymer comprises 12 alkylene oxide units per alkylene oxide chain.

15. The method according to claim 5 , wherein the polymer comprises 15 alkylene oxide units per alkylene oxide chain.

16. The method according to claim 5 , wherein the average molecular weight of the polymer is in a range from 1300-6000 g/mol.

17. The method according to claim 5 , wherein the polymer consists of monoamino-based propoxylates.

18. The method according to claim 5 , wherein the washing liquor is produced by adding from 15 ml to 75 ml of a liquid water-containing laundry detergent composition to 15 liters to 20 liters of water.

Assignees

• Basf Se

Inventors

• Garcia Marcos Alejandra
• Hueffer Stephan
• Holcombe Thomas Wesley
• Ettl Roland
• Panchenko Alexander
• Engert Susanne Carina
• Juntermanns Stefanie
• Janssen Frank
• Dreja Michael
• Bluhm Nadine
• Junkes Christa

Classifications

• C11D2111/12

  Soft surfaces, e.g. textile · CPC title

• C11D17/0008

  aqueous liquid non soap compositions (C11D3/0015, C11D3/3947, C11D3/3956 take precedence) · CPC title

• C11D1/83

  Mixtures of non-ionic with anionic compounds · CPC title

• C11D1/72

  Ethers of polyoxyalkylene glycols · CPC title

• C11D1/22

  derived from aromatic compounds · CPC title