v.使不再粘着，扯开，分开( unstick的现在分词 )

Separating and unsticking preparations → 分离式消除粘性制剂

unsticking epistomium → 非粘栓

1.The (flap of the) envelope was unstuck.

[汉]信封(的封口)没粘住。

2.His plan to escape came badly unstuck.

[汉]他想逃走的打算完全吹了。