Surfactant compositions for improved transparency of DADMAC-acrylic acid co-polymers
View Patent ↗Stable and clear liquid laundry detergent compositions having a DADMAC Acrylic Acid co-polymer, a surfactant system including alcohol ethoxysulfate anionic surfactant (AES) and at least one of a linear alkyl benzene sulfonic acid anionic surfactant (LAS) and a non-ionic surfactant (NI), and an aqueous carrier. In one embodiment, the aqueous composition includes water in an amount of 30% to 80% by weight, a surfactant system in an amount of 8% to 35% by weight, and DADMAC Acrylic Acid co-polymer. The surfactant system may include: (1) at least about 40 wt % alcohol ethoxylsulfate (AES), and (2) a linear alkylbenzene sulfonate (LAS) and/or a non-ionic surfactant. The liquid compositions have a turbidity less than 50 NTUs.
1. A liquid laundry detergent composition comprising:
a Diallyldialkylammonium Chloride (DADMAC) Acrylic Acid co-polymer;
water present in an amount greater than 20 weight percent based on total weight of the detergent composition; and
total active surfactant present in an amount of about 8 to about 35 weight percent based on total weight of the detergent composition, the total active surfactant comprising
an alcohol ethoxysulfate (AES),
a linear alkylbenzene sulfonate (LAS), and
a non-ionic surfactant (NI),
wherein the composition has a turbidity of about 50 NTUs or less;
wherein weight ratio of the AES, LAS, and NI falls within a four-sided region of a ternary plot, wherein the four-sided region is defined by four points of the ratio of AES:NI:LAS:
(i) 0.85:0:0.15;
(ii) 0.85:0.15:0;
(iii) 0.4:0.6:0;
(iv) 0.4:0:0.6.
2. The liquid laundry detergent composition of claim 1 , wherein the AES is about 40 to about 85 weight percent based on weight of the total active surfactant.
3. The liquid laundry detergent composition of claim 1 , wherein the AES is about 60 to about 75 weight percent based on weight of the total active surfactant.
4. The liquid laundry detergent composition of claim 1 , wherein the ratio of LAS:NI is about 1:1 to 1:3.
5. The liquid laundry detergent composition of claim 1 , wherein the NI is an alcohol ethoxylate (AE).
6. The liquid laundry detergent composition of claim 1 , wherein the composition does not include a perfume.
7. The liquid laundry detergent composition of claim 1 , wherein the DADMAC Acrylic Acid co-polymer comprises less than 1 weight percent based on total weight of the detergent composition.
8. The liquid laundry detergent composition of claim 1 , wherein the DADMAC Acrylic Acid co-polymer is about 0.35 to about 0.40 weight percent based on total weight of the detergent composition.
9. The liquid laundry detergent composition of claim 1 , wherein the water is about 30 to about 80 weight percent based on total weight of the detergent composition.
10. The liquid laundry detergent composition of claim 1 , wherein the total active surfactant comprises about 10 percent to about 28 weight percent based on total weight of the detergent composition.
11. A liquid laundry detergent composition comprising:
a Diallyldialkylammonium Chloride (DADMAC) Acrylic Acid co-polymer;
a surfactant system comprising an alcohol ethoxysulfate (AES) a linear alkyl benzene sulfonic acid (LAS), and a non-ionic surfactant (NI),
an aqueous carrier,
wherein the composition has a turbidity of about 50 NTUs or less;
wherein weight ratio of the AES, LAS, and NI falls within a four-sided region of a ternary plot, wherein the four-sided region is defined by four points of the ratio of AES:NI:LAS:
(i) 0.75:0:0.25;
(ii) 0.75:0.25:0;
(iii) 0.6:0.4:0;
(iv) 0.6:0:0.4.
12. The liquid laundry detergent composition of claim 11 , wherein the composition has a turbidity of about 40 NTUs or less.
13. The liquid laundry detergent composition of claim 11 , wherein the DADMAC Acrylic Acid co-polymer comprises less than 1 weight percent based on total weight of the detergent composition.
14. The liquid laundry detergent composition of claim 11 , wherein water comprises about 30 to about 80 weight percent based on total weight of the detergent composition.
15. The liquid laundry detergent composition of claim 11 , wherein the surfactant system comprises about 10 percent to about 35 weight percent based on total weight of the detergent composition.
16. The liquid laundry detergent composition of claim 11 , wherein the surfactant system comprises about 10 percent to about 28 weight percent based on total weight of the detergent composition.
17. The liquid laundry detergent composition of claim 11 , wherein the AES is about 60 to about 75 percent by weight of the surfactant system.
18. The liquid laundry detergent composition of claim 11 , wherein the DADMAC Acrylic Acid co-polymer is about 0.35 to 0.40 by percent based on total weight of the detergent composition.
19. The liquid laundry detergent composition of claim 11 , wherein the ratio of LAS:NI is about 1:1 to 1:3.
20. The liquid laundry detergent composition of claim 11 , wherein the NI is an alcohol ethoxylate.