Preparation and thickening mechanism of copolymer fluorinated thickeners in supercritical CO2

Caili Dai,Peng Liu,Mingwei Gao,Zhiyuan Liu,Changlong Liu,Yining Wu,Xiangyu Wang,Shichun Liu,Mingwei Zhao,Hui Yan

Journal of Molecular Liquids（2022）

引用 6|浏览4

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摘要

•Increase in STY content increases the cloud point pressure of P(HFDA-co-STY).•P(HFDA0.70-co-STY0.30) with the highest STY content increase the viscosity of SC-CO2 by 297 times.•Fluoro group contributes to the dissolution of copolymer in SC-CO2.•Phenyl group are easier to aggregate on the copolymer surface and combine with SC-CO2 to improve the thickening effect.

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关键词

supercritical CO2,Thickener,Synthesis,Characterization,Molecular simulation

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