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高聚物结构对表面张力与相对分子质量关系的影响 被引量:1

Influence of Polymer Constitution on Relationship Between Surface Tension and Molecular Weight
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摘要 以若干组分子结构不同的高聚物为研究体系,采用熔体悬滴测量装置系统地测量了不同相对分子质量的高聚物的表面张力。讨论了高聚物分子结构对其表面张力与相对分子质量关系的影响。通过对实验数据的分析推导出高聚物表面张力与相对分子质量的关系式,并对传统的关系式进行了改进,由于改进后的关系式考虑了高聚物分子结构的影响,因此具有更广泛的适用性,可以较好地解释一些传统关系式不能解释的实验现象。 The surface tensions of polymers with different molecular structure and molecular weight have been measured using a polymer melt suspending drop instrument. The dependence of surface tension on the molecular structure and molecular weight has been summarized. Besides other variables, the influence of chemical constitution was considered; the derived relationship was more appropriate for polymer systems than traditional ones.
出处 《中国塑料》 CAS CSCD 北大核心 2009年第1期33-36,共4页 China Plastics
关键词 高聚物 表面张力 分子结构 相对分子质量 polymer surface tension molecular structure molecular weight
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