IR spectra of PVA modified by the modifier show that intense reaction among molecules of the modifier and PVA occurred and stronger complex bonds formed.
The mechanism of organic matrix modifiers were: acting as superficial modifier and complex reagent, creating strong reduction atmosphere after decomposed.
有机基体改进剂的作用机理为：本身表面活性和络合作用，分解产物形成强还原气氛。
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The computation results show that the method of modifier algorithm of constrained complex method in concave feasible fields, proposed in this paper, is effective.