Liquid cleaning preparation for hard surfaces

• US 4,880,558 A
• Filed: 06/20/1988
• Issued: 11/14/1989
• Est. Priority Date: 06/19/1987
• Status: Expired due to Fees

• Current Assignee: Henkel KGaA (Henkel AG & Co KGaA)
• Original Assignee: Henkel KGaA (Henkel AG & Co KGaA)
• Inventors: Wisotzki, Klaus-Dieter, Jost, Frantisek
• Primary Examiner(s): Lieberman, Paul
• Assistant Examiner(s): MCNALLY, JOHN
• Application Number:
  US07/209,154
• Time in Patent Office: 512 Days
• Field of Search: 252/174.23, 252/173, 252/535, 252/540, 252/554, 252/559
• US Class Current: 510/421
• CPC Class Codes: C11D 1/72 Ethers of polyoxyalkylene glycols
• CPC Class Codes: C11D 1/76 Synthetic resins containing no nitrogen
• CPC Class Codes: C11D 3/3773 in liquid compositions

Abstract

Liquid cleaning preparations for hard surfaces containing

(a) 0.5 to 40% by weight, preferably 5 to 20% by weight, of a surfactant or a surfactant mixture;

(b) 0.01 to 1% by weight, preferably 0.05 to 0.5% by weight, of cleaning enhancer;

(c) 0 to 6% by weight, preferably 1.0 to 6% by weight, of at least one organic and/or inorganic builder;

and up to a total of 100% by wiehgt, based on the total weight, of water, and optionally, one or more of solubilizers (solvents, hydrotropes), preservatives, antimicrobial agents, viscosity regulators, pH regulators, perfumes, and dyes. Component (b) is a mixture of (i) at least one polyacrylamide and (ii) at least one highly polyethoxylated monofunctional or polyfunctional alkanol.

Claims

1. An aqueous cleaning composition comprising:

(a) from about 0.5 to about 40% by weight of at least one surfactant;

(b) from about 0.01 to about 1% by weight of a mixture of

(i) at least one polyacrylamide, and

(ii) at least one polyethoxylated monofunctional or polyfunctional alkanol; and

(c) from 0 to about 6% by weight of at least one builder;

wherein the at least one polyacrylamide component (b)(i) is a homopolymer or copolymer or acrylamide having a molecular weight of from about 300,000 to about 15,000,000;

component (b)(ii) is at least one adduct of 30 to 150 moles of ethylene oxide with a terminal alkanol containing from 12 to 22 carbon atoms;

the weight ratio of component b)i) to component (b)(ii) is from about 1 ;

3 to about 3 ;

1; and

the composition when diluted to from about 2 to about 20 g/l in water has a pH in the range of from 7.0 to about 10.5; and

wherein when the at least one polyacrylamide component (b)(i) is a copolymer of acrylamide, one or more monomers other than acryalmide is present in a molar quantity of up to about 50 mole % thereof and which monomers selected from the group consisting of acrylic acid, methacrylic acid, C₁ -C₄ alkyl esters of the foregoing, methacrylamide, ethylene, propylene, isobutylene, vinyl acetate, and styrene.

2. The composition of claim 1 wherein component (b)(i) has a molecular weight of from about 2,000,000 to about 12,000,000.

3. The composition of claim 1 wherein the weight ratio of component (b)(i) to component (b)(ii) is from about 1 :

2 to about 2 ;

1.

4. The composition of claim 1 wherein component (b)(i) is a polymer of acrylamide.

5. The composition of claim 1 wherein component (a) is present in from about 5 to about 20% by weight.

6. The composition of claim 1 wherein component (b) is present in from about 0.05 to about 0.5% by weight.

7. The composition of claim 1 wherein component (c) is present in from about 1.0 to about 6% by weight.

8. The composition of claim 1 wherein component (a) is present in from about 5 to about 20% by weight, component (b) is present in from about 0.05 to about 0.5% by weight, and component (c) is present in from about 1.0 to about 6% by weight.

9. The composition of claim 1 wherein component (b)(ii) is an adduct of from 40 to 90 moles of ethylene oxide with a terminal alkanol containing from 14 to 20 carbon atoms.

10. The composition of claim 9 wherein the terminal alkanol is a difunctional alkanol.

11. The composition of claim 9 wherein the terminal alkanol is stearyl alcohol or 12-hydroxystearyl alcohol.

13. An aqueous cleaning composition comprising the composition of claim 1 in a quantity of from about 2 to about 20 g/l in water.

15. The aqueous cleaning composition of claim 13 wherein the composition of claim 1 is present in from about 5 to 15 g/l in water.

17. A method for cleaning hard surfaces comprising contacting a hard surface with a cleaning-effective quantity of the composition of claim 1 or a diluted solution thereof.

18. The aqueous cleaning composition of claim 1 wherein component (a) is at least one surfactant that contains at least one hydrophobic organic radical and a water-solubilizing anionic, nonionic, or cationic radical therein.

19. The aqueous cleaning composition of claim 18 wherein the at least one hydrophobic organic radical is an aliphatic hydrocarbon radical containing from 8 to 26 carbon atoms.

20. The aqueous cleaning composition of claim 19 wherein the aliphatic hydrocarbon radical contains from 10 to 22 carbon atoms.

21. The aqueous cleaning composition of claim 20 wherein from 12 to 18 carbon atoms are present in the aliphatic hydrocarbon radical.

22. The aqueous cleaning composition of claim 18 wherein the at least one hydrophobic organic radical is an alkyl aromatic radical containing from 6 to 18 aliphatic carbon atoms.

23. The aqueous cleaning composition of claim 22 wherein the alkyl aromatic radical contains from 8 to 16 aliphatic carbon atoms.

24. The aqueous cleaning composition of claim 18 wherein component a) is one or more of a nonionic surfactant, a synthetic anionic surfactant, or a soap.

25. The aqueous cleaning composition of claim 18 wherein component (a) is at least one of an ethoxylated alkanediol, an ethoxylated alkanol, an ethoxylated alkenol, an ethoxylated alkylphenol, an anionic sulfonate surfactant, and an anionic sulfate surfactant.

26. The aqueous cleaning composition of claim 25 wherein component (a) also contains a soap.

12. An aqueous cleaning composition comprising

(a) from about 5 to about 20% by weight of at least one surfactant;

(b) from about 0.05 to about 0.5% by weight of a mixture of

(i) at least one polyacrylamide, and

(ii) at least one polyethoxylated monofunctional or difunctional alkanol; and

(c) from about 1.0 to about 6% by weight of at least one builder;

wherein the at least one polyacrylamide component (b)(i) is a homopolymer or copolymer of acrylamide having a molecular weight of from about 2,000,000 to about 12,000,000;

component b)ii) is at least one adduct of 40 to 90 moles of ethylene oxide with a terminal alkanol containing from 14 to 20 carbon atoms;

the weight ratio of component (b)(i) to component (b)(ii) is from about 1 ;

2 to about 2;

1; and

the composition when diluted to from about 2 to about 20 g/l in water has a pH in the range of from 7.5 to about 9.5; and

wherein when the at least one polyacrylamide component (b)(i) is a copolymer of acrylamide, one or more monomers other than acrylamide is present in a molar quantity of up to about 50 mole % thereof and which monomers selected from the group consisting of acrylic acid, methacrylic acid, C₁ -C₄ alkyl esters of the foregoing, methacrylamide, ethylene, propylene, isobutylene, vinyl acetate, and styrene.

14. An aqueous cleaning composition comprising the composition of claim 12 in quantity of from about 2 to about 20 g/l in water.

16. The aqueous cleaning composition of claim 14 wherein the composition of claim 12 is present in from about 5 to 15 g/l in water.

27. The aqueous cleaning composition of claim 12 wherein component (a) is at least one surfactant that contains at least one hydrophobic organic radical and a water-solubilizing anionic, nonionic, or cationic radical therein.

28. The aqueous cleaning composition of claim 27 wherein the at least one hydrophobic organic radical is an aliphatic hydrocarbon radical containing from 8 to 26 carbon atoms.

29. The aqueous cleaning composition of claim 27 wherein the at least one hydrophobic organic radical is an alkyl aromatic radical containing from 6 to 18 aliphatic carbon atoms.