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Small angle x-ray scattering study on the conformation of polystyrene in toluene during adding anti-solvent CO2
Liu, Y; Chen, DF; Wang, HL; Chen, N; Li, D; Han, BX; Rong, LX; Zhao, H; Wang, J; Dong, BZ; Rong LX(荣利霞); Zhao H(赵辉); Wang J(王俊); Dong BZ(董宝中)
2002
发表期刊CHINESE PHYSICS
卷号11期号:10页码:1037-1041
通讯作者China Inst Atom Energy, Beijing 102413, Peoples R China ; Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
摘要The conformation of polystyrene in the anti-solvent process of supercritical fluids (compressed CO2 + polystyrene + toluene) has been studied by small angle x-ray scattering with synchrotron radiation as an x-ray source. Coil-to-globule transformation of the polystyrene chain was observed with the increase of the anti-solvent CO2 pressure; i.e. polystyrene coiled at a pressure lower than the cloud point pressure (P-c) and turned into a globule with a uniform density at pressures higher than P-c. Fractal behaviour was also found in the chain contraction, and the mass fractal dimension increased with increasing CO2 pressure.
关键词small angle x-ray scattering supercritical fluid anti-solvent process polystyrene
学科领域Physics
研究领域[WOS]Physics ; Physics
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000178919000013
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238937
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Liu, Y,Chen, DF,Wang, HL,et al. Small angle x-ray scattering study on the conformation of polystyrene in toluene during adding anti-solvent CO2[J]. CHINESE PHYSICS,2002,11(10):1037-1041.
APA Liu, Y.,Chen, DF.,Wang, HL.,Chen, N.,Li, D.,...&董宝中.(2002).Small angle x-ray scattering study on the conformation of polystyrene in toluene during adding anti-solvent CO2.CHINESE PHYSICS,11(10),1037-1041.
MLA Liu, Y,et al."Small angle x-ray scattering study on the conformation of polystyrene in toluene during adding anti-solvent CO2".CHINESE PHYSICS 11.10(2002):1037-1041.
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