Liquid laundry detergent composition
A liquid laundry detergent with improved soil suspension benefit is provided, which contains a from about 0.1 wt % to about 5 wt % of an alkoxylated polyethyleneimine and a specific surfactant system including both nonionic (NI) surfactant(s) and anionic (AI) surfactant(s) at an NI-to-AI weight ratio of about 1.7-20.
1. A liquid laundry detergent composition, comprising:
a) from about 0.5 wt % to about 1.5 wt % of an alkoxylated polyethyleneimine with an empirical formula of (PEI)a-(EO)b-(PO)c-R 1 , wherein a is the weight average molecular weight of the polyalkyleneimine core and is in the range of from about 500 to about 700 Daltons; wherein b is the weight average degree of ethoxylation in said one or more side chains of the alkoxylated polyalkyleneimine and is in the range of from about 15 to about 25; wherein c is the weight average degree of propoxylation in said one or more side chains of the alkoxylatedpolyalkyleneimine and is 0; and wherein R 1 is hydrogen;
b) from about 9 wt % to about 15 wt % of a nonionic surfactant that is a C 12 -C 15 alkyl ethoxylated alcohol having a weight average degree of ethoxylation ranging from about 7 to about 10; and
c) from about 2 wt % to about 5 wt % of a combination of a C 11 -C 12 linear alkyl benzene sulphonate and a C 12 -C 14 alkylethoxy sulfate having a weight average degree of ethoxylation ranging from about 1 to about 3,
wherein the weight ratio of surfactant nonionic to the combination ranges from 2 to about 5.
2. The liquid laundry detergent composition of claim 1 , wherein the a is about 600 and the b is about 20.
3. The liquid laundry detergent composition of claim 2 , wherein the average degree of ethoxylation of the C 12 -C 15 alkyl ethoxylated alcohol is about 7.
4. The liquid laundry detergent composition of claim 3 , wherein the weight average degree of ethoxylation of the C 12 -C 14 alkylethoxy sulfate is about 3.