Polycarboxylic acids,as non-formaldehyde,Crease-resistant finishing agents,have the most brilliant prospect industry. Among them,1,2,3,4-Butaneteracarboxylic acid (BTCA) is the best one.

• 多元羧酸整理剂是目前最有工业前途的无甲醛的防缩免烫整理剂，其中1，2，3，4-丁烷四羧酸（BTCA）是性能最佳的多元羧酸整理剂之一。