It was found that aluminum salt (AS) was an effective accelerant and when the mol ratio of AS to TA was 2:1, the angle of untwist crease was optimized but the hand feeling was poorer.

• 通过实验，发现铝盐是有效的催化剂，催化剂AS与TA摩尔比为2:1时，折皱恢复角处于最佳，但手感变差。