申请人:Joh. A. Benckiser GmbH
公开号:US04029697A1
公开(公告)日:1977-06-14
N-acyl-1-amino alkane-1,1-diphosphonic acids or their alkali metal salts are highly effective scale and deposit formation preventing, metal ion complexing, sequestering, and anti-corrosive agents which can be used with great advantage in washing and cleaning fluids and detergent preparations. Such N-acyl-1-amino alkane-1,1-diphosphonic acids are prepared, for instance, by acylating the corresponding 1-amino alkane-1,1-diphosphonic acids or by hydrolyzing the corresponding (1,1-diphosphono alkane) acylamidines.
N-酰基-1-氨基烷基-1,1-二膦酸或其碱金属盐是高效的防垢剂、金属离子络合剂、螯合剂和防腐剂,可在清洗液和洗涤剂制备中得到极大的优势应用。这种N-酰基-1-氨基烷基-1,1-二膦酸可以通过酰化相应的1-氨基烷基-1,1-二膦酸或水解相应的(1,1-二膦酸烷基)酰胺得到。