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研究了LDPE、PP、PA6、EVA、PS、PU六种聚合物在超临界CO2 中的溶胀情况 ,观测了溶胀温度、溶胀压力、溶胀时间和降压时间对聚合物溶胀前后重量变化的影响以及溶胀后聚合物中CO2 的解吸曲线。
The swelling of LDPE, PP, PA6, EVA, PS and PU in supercritical CO2 was studied. The effects of swelling temperature, swelling pressure, swelling time and pressure reducing time on the weight change of polymer before and after swelling were investigated. Desorption curve of CO2 in polymer after swelling.