MEASUREMENTS AND CORRELATION OF VAPOR-LIQUID EQUILIBRIA FOR POLYMER SOLUTIONS

Feng Wei; Wang Wenchuan; Feng Zhihao(College of Chemical Engineering

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MEASUREMENTS AND CORRELATION OF VAPOR-LIQUID EQUILIBRIA FOR POLYMER SOLUTIONS

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- MEASUREMENTS AND CORRELATION OF VAPOR-LIQUID EQUILIBRIA FOR POLYMER SOLUTIONS
- CIESC Journal Issue 2, (1998)
- 作者机构：
  
  北京化工大学化学工程学院!北京100029,北京化工大学化学工程学院!北京100029,燕山石油化工公司胜利橡胶厂,北京,102550
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q02
- Online First：25 April 1998，
  
  Published：25 April 1998
- 稿件说明：
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Feng Wei, Wang Wenchuan, Feng Zhihao(College of Chemical Engineering. MEASUREMENTS AND CORRELATION OF VAPOR-LIQUID EQUILIBRIA FOR POLYMER SOLUTIONS[J]. CIESC Journal, 1998, (2).
DOI：

Feng Wei, Wang Wenchuan, Feng Zhihao(College of Chemical Engineering. MEASUREMENTS AND CORRELATION OF VAPOR-LIQUID EQUILIBRIA FOR POLYMER SOLUTIONS[J]. CIESC Journal, 1998, (2). DOI：

摘要

建立了一套用差压法测定聚合物溶液汽液相平衡数据的实验装置．用乙醇纯溶剂及聚苯乙烯／甲苯溶液作为标准体系，对实验装置进行了校核．在温度范围为303.15K～333.15K及常压下，用本实验装置测定了4种聚合物（聚苯乙烯，聚氯乙烯，聚乙二醇，聚甲基丙烯酸甲酯）+6种溶剂（间-二甲苯，水，氯仿，乙酸乙酯，2-丁酮，环己酮）的14个二元体系汽液平衡数据，用简化空穴理论状态方程对实验数据进行了关联．

Abstract

A differential pressure apparatus was established for the measurements of vapor-liquid equilibria（VLE）for polymer－solvent solutions，Pure ethanol and polystyrene-toluene solution were used for the test of the apparatus.Fifteen sets of VLE data were measured in a temperature range from 303.15K～ 333.15K for the binary systems:polystyrene+ethyl acetate

polystyrene+m-xylene

polystyrene+cyclohexanone

poly（vinyl chloride）（PVC）+cyclohexanone

PVC+2-butanone

Poly（methyl methacrylate）（PMMA）+ chloroform

PMMA+cyclohexanone

poly(ethylene glycol)（PEG）+water

PEG+chloroform.The simplified hole theory equation of state proposed by this group was used to correlate accurately the data measured.

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