最有效的相容剂是两嵌段还是多嵌段聚合物?

来源 :化学物理学报 | 被引量 : 0次 | 上传用户：tuyuantao

【摘要】

：

采用Monte Carlo模拟方法研究了多嵌段聚合物在A/B/嵌段聚合物三组份体系作为相容剂使用的有效性.占总体积19%的A组份在体系中为分散相.模拟结果显示了两嵌段和多嵌段聚合物

【作者】

：

孙大春梁好均

【机构】

：

白城师范学院教育技术系,中国科学技术大学高分子科学与工程系

【出处】

：

化学物理学报

【发表日期】

：

2004年期

【关键词】

：

Monte Carlo模拟相容剂相界面 Monte Carlo simulation Compatibilizer Phase interface

【基金项目】

：

高等学校博士学科点专项科研项目;国家自然科学基金

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采用Monte Carlo模拟方法研究了多嵌段聚合物在A/B/嵌段聚合物三组份体系作为相容剂使用的有效性.占总体积19%的A组份在体系中为分散相.模拟结果显示了两嵌段和多嵌段聚合物在界面上的聚集行为,以及如何影响这个不相容体系的相形为.两嵌段聚合物趋于直立在相界面上,而多嵌段聚合物更容易横跨在相界面上并占据较大的界面积.从而导致多嵌段聚合物更有效的阻止体系相分离的发生.

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最有效的相容剂是两嵌段还是多嵌段聚合物?

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