The solubility of low molecular weight Poly(Dimethyl siloxane) in dense CO2 and its use as a CO2-philic segment
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- 作者：Jason J. Leea ; Stephen D. Cummingsa ; Eric J. Beckmana ; Robert M. Enicka ; rme@pitt.edu" class="auth_mail" title="E-mail the corresponding author ; Ward A. Burgessb ; Mark D. Dohertyc ; Michael J. O&rsquo ; Brienc ; Robert J. Perryc
- 关键词：CO2 ; Phase behavior ; Pdms ; Polydimethylsiloxanes
- 刊名：The Journal of Supercritical Fluids
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：119
- 期：Complete
- 页码：17-25
- 全文大小：1159 K
文摘
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Phase behavior of six short CO2-philic trimethylsilyl-terminated polydimethylsiloxanes (MW < 10,000) in dense carbon dioxide is studied at 23° and 40 °C.
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Various ethylnaphthalene-terminated polydimethylsiloxanes were synthesized and their dilute phase behavior in dense CO2 was evaluated.
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Molecules with fixed PDMS content and varying aromatic endgroups were synthesized and their two-phase boundary pressures at 1 wt% in dense CO2 were evaluated.