摘要
:本文合成了溶剂型单组分PU胶粘剂 ,考察了聚酯多元醇的品种、分子量以及PU的分子量等对胶粘剂性能的影响 ,结果表明 :聚酯软段的结构对胶粘剂的性能影响较大。提高聚氨酯的结晶度可以增大其粘接性能 ,特别是初始粘接性能。
The effects of factors on adhesive properties were studied.The results showed that the effects of structure of soft hard on adhesive properties were importance,the adhesion behavior,especially,original adhesion strength increased obviously with increase of crystallinity in PU.
