Surfactant compositions for improved transparency of DADMAC-acrylamide co-polymers
View Patent ↗Liquid laundry detergent compositions including a Diallyldialkylammonium Chloride (DADMAC) Acrylamide co-polymer, and a surfactant system comprising at least one non-ionic surfactant (NI) and at least one linear alkylbenzene sulfonate anionic surfactant (LAS) where the composition has a turbidity of about 50 NTUs or less. The NI is at least about 30 percent by weight of the surfactant system and the LAS is less than about 40 percent by weight of the surfactant system. The surfactant system can also include alcohol ethoxysulfate (AES).
1. A liquid laundry detergent composition comprising:
a Diallyldialkylammonium Chloride (DADMAC) Acrylamide 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 at least one non-ionic surfactant (NI), an alcohol ethoxysulfate anionic surfactant (AES), and at least one linear alkylbenzene sulfonate anionic surfactant (LAS),
wherein weight ratio of the NI, AES, and LAS falls within a five-sided region of a ternary plot, wherein the five-sided region is defined by five points of the ratio of AES:NI:LAS:
(A) 0.55:0:45:0,
(B) 0.2:0.8:0,
(C) 0:0.8:0.2,
(D) 0:0.6:0.4,
(E) 0.3:0.35:0.35,
wherein the composition has a turbidity of about 50 NTUs or less.
2. The liquid laundry detergent composition of claim 1 , wherein the ratio of LAS:NI is about 1:1.5 to about 1:6.
3. The liquid laundry detergent composition of claim 1 , wherein the NI is an alcohol ethoxylate (AE).
4. The liquid laundry detergent composition of claim 1 , wherein the detergent composition does not include a perfume.
5. 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.
6. The liquid laundry detergent composition of claim 1 , wherein the DADMAC Acrylamide co-polymer is about 0.35 to 0.40 by percent based on total weight of the detergent composition.
7. 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.
8. The liquid laundry detergent composition of claim 1 , wherein the surfactant system comprises about 10 percent to about 35 weight percent based on total weight of the detergent composition.
9. The liquid laundry detergent composition of claim 1 , wherein the surfactant system comprises about 10 percent to about 28 weight percent based on total weight of the detergent composition.
10. A liquid laundry detergent composition comprising:
a Diallyldialkylammonium Chloride (DADMAC) Acrylamide co-polymer;
a surfactant system comprising at least one non-ionic surfactant (NI), an alcohol ethoxysulfate anionic surfactant (AES), and at least one linear alkylbenzene sulfonate anionic surfactant (LAS); and
an aqueous carrier, wherein weight ratio of the NI, AES, and LAS 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:
(A) 0.5:0.5:0,
(B) 0.25:0.75:0,
(C) 0.1:0.7:0.2,
(D) 0.3:0.4:0.3,
wherein the composition has a turbidity of about 50 NTUs or less.
11. The liquid laundry detergent composition of claim 10 , wherein the composition has a turbidity of about 40 NTUs or less.
12. The liquid laundry detergent composition of claim 10 , wherein the DADMAC Acrylamide co-polymer comprises less than 1 weight percent based on total weight of the detergent composition.
13. The liquid laundry detergent composition of claim 10 , wherein water comprises about 30 to about 80 weight percent based on total weight of the detergent composition.
14. The liquid laundry detergent composition of claim 10 , wherein the surfactant system comprises about 10 percent to about 35 weight percent based on total weight of the detergent composition.
15. The liquid laundry detergent composition of claim 10 , wherein the surfactant system comprises about 10 percent to about 28 weight percent based on total weight of the detergent composition.
16. The liquid laundry detergent composition of claim 10 , wherein the wherein the ratio of LAS:NI is about 1:1.5 to about 1:6.
17. The liquid laundry detergent composition of claim 10 , wherein the DADMAC Acrylamide co-polymer is about 0.35 to 0.40 by percent based on total weight of the detergent composition.
18. The liquid laundry detergent composition of claim 10 , wherein the NI is an alcohol ethoxylate.