【摘要】 简述了各种无磷洗涤助剂的发展历史及现状 ,并对偏硅酸钠、4A沸石、聚丙烯酸钠、层状结晶二硅酸钠等助剂的性能作了综述 ,指出层状结晶二硅酸钠是目前传统洗涤助剂三聚磷酸钠的唯一替代品更多还原

【Abstract】 The development of various phosphate free builders was introduced and the properties of sodium metasilicate,4A zeolite,sodium polyacrylate,and layered crystal sodium disilicate as phosphate free builders were reviewed.We pointed out that layered crystal sodium disilicate was a unique substitute for sodium polyphosphate which is a traditional builder at present.更多还原