Surfactants derived from polyoxyalkylenes and substituted...

Details Surfactants derived from polyoxyalkylenes and substituted... Surfactants derived from polyoxyalkylenes and substituted...

C - Chemistry, Metallurgy

08

G

C08G 65/32 (2006.01) B01F 17/00 (2006.01) B01J 13/00 (2006.01) C08G 65/329 (2006.01) C08G 65/332 (2006.01) C08G 65/333 (2006.01) C08J 3/03 (2006.01) C11D 1/08 (2006.01) C11D 1/52 (2006.01) C11D 1/74 (2006.01) D01C 3/00 (2006.01) D06L 1/12 (2006.01)

Patent

CA 2139003

Polyoxylalkylene esters and amides of alk(en)yl succinic anhydrides, of the formulae (I) YA1.OC(HR)CC(HR1)CO.A(CmH2mO)n.R2 and (II) YA1.OC(HR)CC(HR1)CO.A(CmH2mO)n.CpH2pA.CO(HR1)CC(HR)CO.A1Y where R, R1, A, A1, Y, R2, m, n and p are as defined, particularly where the alk(en)yl group is a C14 to C22 group, are effective surfactants. They are especially notable because, very surprisingly, the cloud point tends to rise with increasing alk(en)yl group chain lenght. The surfactants are ef- fective in scouring wool and inverting polyacrylamide water in oil emulsions into water.

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