对应力作用下聚合物分子链的断裂机理进行了评述,指出了大分子链在应力作用下的断裂与分子结构密切相关,其键能薄弱处倾向于优先断裂.介绍了力化学合成嵌段和(或)接枝共聚物的原理和主要途径,分析了力化学合成与聚合物分子链的结构和强度间的关系.综述了通过力化学技术改善聚合物共混体系的互容性,获得具有特殊结构与形态和性能的高分子合金材料方面的研究进展,最后展望了力化学技术在聚合物加工中的应用前景.
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