Surface-active agents

摘要

PCT No. PCT/GB87/00243 Sec. 371 Date Nov. 3, 1988 Sec. 102(e) Date Nov. 3, 1988 PCT Filed Apr. 9, 1987 PCT Pub. No. WO87/06236 PCT Pub. Date Oct. 22, 1987.Novel surface-active compositions are prepared by reacting a diketene prepared from a fatty acid or fatty acid chloride with 8-22 carbon atoms with a substance having a hydrophlic moiety and a hydroxyl or amino group containing one or more active hydrogens. The active hydrogen-containing group is acylated by the diketene and the resulting product contains the hydrophillic moiety and also branched 2-alkyl-3-ketoacyl chains.