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超临界二氧化碳中聚氨酯对小分子的吸附作用

叶树集 陈鸣才 黄玉惠 丛广民

物理化学学报2000,Vol.16Issue(2):145-152,8.
物理化学学报2000,Vol.16Issue(2):145-152,8.

超临界二氧化碳中聚氨酯对小分子的吸附作用

Absorption of Small Molecules into Polyurethane in Supercritical Carbon Dioxide

叶树集 1陈鸣才 1黄玉惠 1丛广民1

作者信息

  • 1. 中国科学院广州化学研究所,广州 510650
  • 折叠

摘要

Abstract

A systematic study was undertaken in supercritical carbon dioxide to absorb thymol,benzyl carbinol and alcohol into polyurethane by a simple gravimetric method.The uptake of small molecule in PU had been observed with the changes of the factors such as temperature,pressure of supercritical carbon dioxide,absorption time and dimension of PU.Moreover,the mass change of PU after treatment was observed and the impregnation mechanism of small molecule was discussed to explain the experimental results.

关键词

超临界CO2,聚氨酯,吸附量,渗透机理

Key words

Supercritical carbon dioxide/Polyurethane/Absorption amount/Impregnation mechanism

分类

社会科学

引用本文复制引用

叶树集,陈鸣才,黄玉惠,丛广民..超临界二氧化碳中聚氨酯对小分子的吸附作用[J].物理化学学报,2000,16(2):145-152,8.

基金项目

国家自然科学基金资助项目 ()

物理化学学报

OA北大核心CSCDCSTPCDSCI

1000-6818

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