Use of synchrotron radiation in plastics analysis

被引:0
|
作者
Rabeony, M [1 ]
Shao, H [1 ]
Liang, KS [1 ]
Siakali-Kioulafa, E [1 ]
Hadjichristidis, N [1 ]
机构
[1] Exxon Res & Engn Co, Corp Res Sci Labs, Annandale, NJ 08801 USA
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中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
We demonstrate the application of synchrotron small angle X-ray scattering (SAXS) in measuring the thermodynamics properties of polymer blends. The polymers under investigation consist of poly(cyclohexyl acrylate) (PCHA) blended with the ortho and meta isomer of poly(bromostyrene) (P2BrS, P3BrS). Measurements of the absolute scattered intensity enable the determination of the second derivative of the Gibbs free energy of mixing with respect to the concentration, the location of the spinodal temperature, and the Flory-Huggins chi-parameter.
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页码:2070 / 2073
页数:4
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