Acta Phys. -Chim. Sin. ›› 2000, Vol. 16 ›› Issue (02): 145-152.doi: 10.3866/PKU.WHXB20000210
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Ye Shu-Ji, Chen Ming-Cai, Huang Yu-Hui, Cong Guang-Min
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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.
Key words: Supercritical carbon dioxide, Polyurethane, Absorption amount, Impregnation mechanism
Ye Shu-Ji, Chen Ming-Cai, Huang Yu-Hui, Cong Guang-Min. Absorption of Small Molecules into Polyurethane in Supercritical Carbon Dioxide[J].Acta Phys. -Chim. Sin., 2000, 16(02): 145-152.
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URL: http://www.whxb.pku.edu.cn/EN/10.3866/PKU.WHXB20000210
http://www.whxb.pku.edu.cn/EN/Y2000/V16/I02/145
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