丁腈羟预聚法增韧环氧胶粘剂研究

Study on the Toughening of Epoxy Adhesive with HTBN-Epoxy Resin Pre-copolymer

用红外光谱、容量分析方法研究了丁腈羟──环氧树脂嵌段共聚物的合成。采用此方法增韧的环氧树脂，贮存稳定性好，在加热及室温条件下固化，均能获得较高的剪切强度和Ｔ－剥离强度。

The synthesis of epoxy resin-hydroxy-terminated butadiene-acrylonitrile block copolymer is studied by infrared spectrum and capacity analysis. The epoxy resin toughened by the above copolymer has excellent storage stability and, after cured by heating or at room temperature, it has higher shear strength and T-peeling strength.