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Citation: Cao Wei-Liang, Liu Xin, Zhang Jing-Chang. Phase Behavior of Polymer-solvent-supercritical CO₂ Ternary System[J]. Acta Physico-Chimica Sinica, ;2001, 17(08): 757-760. doi: 10.3866/PKU.WHXB20010819 shu

Phase Behavior of Polymer-solvent-supercritical CO₂ Ternary System

1.
College of Science, Beijing University of Chemical Technology, Beijing　100029

Received Date: 10 January 2001
Available Online: 15 August 2001

The solubility of polymer-supercritical CO2 binary systems was studied, and the effects of co-solvent on the solubility were discussed. The polymers used in this experiment were from commercial coating resins,and AR toluene and cyclohexane produced domestically were used as co-solvent. The results show that the addition of co-solvent increases the solubility remarkably (see Tab. 1).The high-pressure phase behavior of polymer-solvent-supercritical CO2 ternary systems was also investigated experimentally. The effects of component's character and their concentration on p-T phase diagram were discussed. It was found that as CO2 concentration increases, the diagram changed from L-LV boundary to steeper L-LL boundary. the L-LV boundary was not sensitive to different polymers.
- Solubility;Supercritical CO₂;Phase behavior
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沈阳化工大学材料科学与工程学院沈阳 110142

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Phase Behavior of Polymer-solvent-supercritical CO2 Ternary System

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通讯作者: 陈斌, bchen63@163.com

Phase Behavior of Polymer-solvent-supercritical CO₂ Ternary System