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苯乙烯-马来酸酐共聚物及其水解产物的结构与玻璃化温度的定量关系

Quantitative Relation of Structure on T_g of Styrene-Maleic Anhydride Copolymer and Hydrolysates
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摘要 采用示差扫描量热(DSC)法测定了苯乙烯-马来酸酐共聚物(SMA)及其水解产物(HSMA)的玻璃化转变温度(Tg)。以Fox-Flory公式结合基团贡献法和改进的Couchman方程,对SMA和HSMA的Tg与其结构的关系进行了定量研究,理论计算结果与实验值吻合较好,表明提出的方程能适合SMA和HSMA两类聚合物的Tg估算。 The glass-transition temperatures (Tg) of hydrolytic styrene-maleic anhydride copolymers (HSMA) were determined with differential scanning calorimetry (DSC). Quantitative structure-property relationship (QSPR) of SMA and HSMA were studied by the Fox-Flory formula combined with group contri-bution method and improved Couchman equation. The calculation result matches the experimental data well. The obtained equations can be used to estimate Tg of SMA and HSAM.
出处 《功能高分子学报》 CAS CSCD 北大核心 2009年第2期193-198,共6页 Journal of Functional Polymers
关键词 苯乙烯-马来酸酐共聚物 水解 玻璃化转变温度 styrene-maleic anhydride copolymer hydrolyze glass transition temperature
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