Biodegradable cationic surface-active agents

Details Biodegradable cationic surface-active agents Biodegradable cationic surface-active agents

C - Chemistry, Metallurgy

11

D

260/470, 260/481

C11D 1/46 (2006.01) C07C 93/18 (1980.01) C07C 125/06 (1980.01)

Patent

CA 1111060

ABSTRACT Novel, biodegradable cationic surface-active agents are disclosed. These compounds, when used in laundry detergent compositions together with selected nonionic surfactants, provide excellent removal of particulate and greasy/oily soils, as well as providing fabric softening, static control, and dye transfer inhibition benefits to the laundered fabrics. The novel biodegradable cationic surface active agents have the formula Image wherein each R1 is C1 to C4 alkyl or hydroxyalkyl; each R2 is either hydrogen or C1 to C3 alkyl; R3 is C4 to C30 straight or branched chain alkyl or alkenyl: R4 is C1 to C10 alkylene or alkenylene; n is from 2 to 4; y is from 1 to 20; a is 0 or 1, and t is 0 or 1, but t must be 1 when a is 1; m is from 1 to 5; Z2 is selected from the group consisting of Image , Image , Image , -O-, Image , Image , Image , Image , Image ; Z1 is selected from the group consisting of Image , Image , Image , Image , Image ; said selections being made so that Image is an alkyl or alkenyl group which can be interrupted by only structures selected from the group consisting of: Image , Image , Image , Image , -O-, Image , Image , and Image and wherein at least one of said Z1 and Z2 groups is selected from the group consisting of ester, reverse ester, amide, and reverse amide, and X is an anion which makes the surfactant at least water-dispersible.

306513

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