文献类型：期刊文献

中文题名：聚合物内压测定及对应状态模型

英文题名：Internal Pressure and Corresponding State Model of Polymers

作者：徐云蕾[1];黑恩成[1];刘国杰[1]

机构：[1]华东理工大学化学系,上海200237

年份：2000

卷号：58

期号：3

起止页码：303

中文期刊名：化学学报

外文期刊名：Acta Chimica Sinica

收录：CSTPCD;;Scopus;北大核心:【北大核心1996】；CSCD:【CSCD2011_2012】；

基金：国家自然科学基金(29676011)资助项目

语种：中文

中文关键词：聚合物;内压;热压力系数;PEG;PDMS;内压模型

外文关键词：polymer, internal pressure, principle of corresponding state, polyethylene glycol, polydimethylsiloxane

摘要：实验测定了PEG((?)_n=200),PEG((?)_n=300),PEG((?)_n=400),PEG((?)_w=15000)和PDMS((?)_w=20000)在20～90℃温度范围的热压力系数和密度,它们的热压力系数和内压几乎与分子量无关.据此还建立了一个聚合物内压的对应状态模型,它只含一个可调参数,能满意地适用于各种聚合物.
The thermal pressure coefficients and densities of PEG(Mn = 200) , PEG(Mn = 300) , PEG(Mn = 400) , PDMS(Mw = 15000) and PDMS(MW = 20000) have been measured over the temperature range of 20 ~ 90℃. It is found that their thermal pressure coefficients and internal pressures are almost in dependent of the molecular weight. A corresponding state model of internal pressure with only one adjustable parameter for polymers is established, which can be applied to various polymers satisfactorily.