DILUTABLE SURFACTANT COMPOSITION

• US 20130316939A1
• Filed: 05/22/2013
• Published: 11/28/2013
• Est. Priority Date: 05/22/2012
• Status: Active Grant

• Current Assignee: Kao Corp SA (KAO Corporation)
• Original Assignee: Kao Corp SA (KAO Corporation)
• Inventors: MORAGAS ARJANT, Elisabet, NOGUES LOPEZ, Blanca
• Granted Patent: US 8,961,700 B2
• Time in Patent Office: Days
• US Class Current: 510/237
• CPC Class Codes: C11D 1/146 Sulfuric acid esters
• CPC Class Codes: C11D 1/29 Sulfates of polyoxyalkylene ethers
• CPC Class Codes: C11D 1/74 Carboxylates or sulfonates esters of polyoxyalkylene glycols
• CPC Class Codes: C11D 1/75 Amino oxides
• CPC Class Codes: C11D 1/83 Mixtures of non-ionic with anionic compounds
• CPC Class Codes: C11D 1/88 Ampholytes; Electroneutral compounds C11D1/002, C11D1/004, C11D1/008 take precedence
• CPC Class Codes: C11D 1/90 Betaines
• CPC Class Codes: C11D 1/94 Mixtures with anionic, cationic or non-ionic compounds
• CPC Class Codes: C11D 17/003 Colloidal solutions, e.g. gels; Thixotropic solutions or pastes
• CPC Class Codes: C11D 3/046 Salts

Abstract

Disclosed are aqueous, concentrated dilutable liquid cleaning compositions comprising one or more anionic surfactants, one or more non-ionic surfactants, and an electrolyte, preferably in combination with one or more amphoteric surfactants, having a total active matter higher than 45 wt % based on the sum of the surfactants above that exhibit a controllable viscosity profile that is satisfactory to the consumer while being easy to dilute, providing fast enough a diluted, a medium diluted or a highly diluted cleaning composition.

Claims

1. A concentrated dilutable cleaning composition, comprising:

(a) one or more anionic surfactants,

(c) one or more non-ionic surfactants comprising one or more polyethoxylated glycerin ester compounds,

(d) an electrolyte,

and optionally

(b) one or more amphoteric surfactants,

(e) one or more solvents,

(f) one or more pH adjuster agents,

and

(g) water up to about 100 wt % of the composition;

wherein the total active matter of the composition calculated from the sum of (a) the one or more anionic surfactants, (c) the one or more non-ionic surfactants, and (b) the one or more amphoteric surfactants, if present, is from about 45 wt % to less than 100 wt % taking as a whole the concentrated composition.

2. The concentrated dilutable cleaning composition according to claim 1 wherein the one or more non-ionic surfactants (c) are one or more ethoxylated glycerin partial esters.

3. The concentrated dilutable cleaning composition according to claim 1 wherein the one or more non-ionic surfactants (c) is the polyethoxylated glycerine ester composition comprising a mixture of compounds of Formula (IV), wherein Formula (IV) is:

4. The concentrated dilutable cleaning composition according to claim 3 wherein the proportion by weight of the species (i):

(ii);

(iii) is in the range of about 46 parts to about 90 parts (i), about 9 parts to about 35 parts (ii), and about 1 part to about 15 parts (iii), respectively.

5. The concentrated dilutable cleaning composition according to claim 3 wherein the proportion by weight ((i)+(ii)+(iii)):

(iv) is in the range of about 3.0;

0.3 to about 0.5;

3.0.

6. The concentrated dilutable cleaning composition according to claim 3 wherein each one of m, n, or 1 represents, independently, a number from 0 to 9,

wherein the sum of m, n and 1 is in the range of greater than 5 and less than 9,

wherein the acyl group is represented by —

CO—

R,

wherein R represents an alkyl or an alkenyl group, with 6 to 9 carbon atoms, and

wherein the proportion by weight of ((i)+(ii)+(iii));

(iv) is in the range of about 2.0;

0.5 to about 0.5;

3, and

wherein the proportion by weight of (i);

(ii);

(iii) is about 60 parts to about 90 parts (i);

about 10 parts to about 35 parts (ii);

less than about 10 parts (iii), respectively.

7. The concentrated dilutable cleaning composition according to claim 1 wherein the one or more anionic surfactants (a) is one or more compounds of Formula (I),

wherein Formula (I) is:

R¹—

O—

(CH₂—

CH(R²)—

O)_n(CH₂CH₂O)_m—

SO₃⁻

(A)_1/z^z+,

wherein R¹ is an alkyl alkenyl chain having from 4 to 30 carbon atoms,

wherein R² is a C1-C3 linear or branched alkyl chain,

wherein A is a suitable countercation,

wherein n and m are 0 or an integer number between about 1 to about 30,

wherein the sum of m+n is from 0 to about 30, and

wherein z is 1, 2 or 3.

8. The concentrated dilutable cleaning composition according to claim 1, wherein the one or more anionic surfactants (a) is lauryl ether sulfate or a salt thereof.

9. The concentrated dilutable cleaning composition according to claim 1, wherein the electrolyte (d) is sodium chloride or magnesium chloride.

10. The concentrated dilutable cleaning composition according to claim 1, wherein the composition has a viscosity at about 20°

C. that is below 500 cps.

11. The concentrated dilutable cleaning composition of claim 1, wherein the composition is diluted to obtain a diluted cleaning composition.

12. The concentrated dilutable cleaning composition of claim 1, wherein the composition is diluted to obtain a medium diluted cleaning composition,

wherein the total active matter of the composition is from more than about 20 to about 35 wt %.

13. The concentrated dilutable cleaning composition of claim 12, wherein the composition has a viscosity at about 20°

C. that ranges from about 300 to about 3500 cps.

14. The concentrated dilutable cleaning composition of claim 1, wherein the composition is diluted to obtain a highly diluted cleaning composition, and

wherein the total active matter of the composition is from more than about 5 to about 20 wt %.

15. The concentrated dilutable cleaning composition of claim 14, wherein the composition has a viscosity at about 20°

C. that ranges from about 200 to about 3500 cps.

16. A method to prepare a concentrated dilutable cleaning composition, wherein said method comprises the step of:

diluting the composition of claim 1 to obtain a diluted, a medium diluted or a highly diluted composition.

17. The method according to claim 16, wherein said method further comprising the step of:

dissolving the one or more anionic surfactants (a), the one or more non-ionic surfactants (c), and the electrolyte (d) and optionally the one or more amphoteric surfactants (b), the one or more solvents (e), and the one or more pH adjuster agents (f) in water.

18. A cleaning method, said method comprising the step of:

using the concentrated dilutable cleaning composition according to claim 1.

19. The concentrated dilutable cleaning composition of claim 3, wherein R′

has 5 to 17 carbon atoms.

20. The concentrated dilutable cleaning composition of claim 3, wherein R′

has 5 to 11 carbon atoms.