Evaluation of Structural Parameters in Semicrystalline Polymer Three-Phase Systems by Small-Angle X-Ray Scattering

ZHAO Hui; WU Zhong-Hua; GUO Mei-Fang; DONG Bao-Zhong

Chinese Physics C> 2003, Vol. 27> Issue(11) : 1034-1038

Evaluation of Structural Parameters in Semicrystalline Polymer Three-Phase Systems by Small-Angle X-Ray Scattering

Beijing Synchrotron Radiation Laboratory, Institute of High Energy Physics, CAS, Beijing 100039, China2 Department of Physics, Anshan Normal College, Anshan 114005, China3 Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation, Beijing 100013, China

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Abstract：
The structural parameters in a semicrystalline polymer three-phase system have been evaluated using small angle X-ray scattering technique. The crystallinity and the lamellar thickness are not consistent with those in two-phase system. The analysis of some semicrystalline polymer samples indicates that the Bragg long period approaches to the sum of the correlation function long period and the thickness of the transition layer. It is also consistent with the conclusion that the interphase layers exist in semicrystalline polymers.

References

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Porod G. Kolloid–Z., 1951, 124:83–114 2 Debye P, Bueche A M. J. Appl. Phys., 1949, 20:518–5253 Tsvankin D Ya, Zubov Yu A, Kitaigorodskii A I. J. Polymer Sci., 1968, C6:4081–4091 4 Vonk C G. J. Appl. Cryst., 1973, 6: 81–865 Strobl G R, Schneider M J. Polym. Sci. Polym. Phys. Ed., 1980, 18:1343–1359 6 Flory P J, Yoon D Y, Dill K A. Macromolecules, 1984, 17:8627 Yoon D Y, Flory P J. Mcromolecules, 1984,17:868–871 8 Hahn B R, Herrmann–schnherr O, Wendorff J H. Polymer, 1987, 28:201–2089 Vonk C G, Pijpers A P. J. Polym. Sci. Polym. Phys. Ed., 1985, 23: 2517–253710 ZHANG Hong–Fang, YIN Jing–Hua. Makromol. Chem., 1990, 191: 375–38011 ZHANG Hong–Fang et al. Macromol. Chem. Phys., 1996,197(2) : 553–562 12 ZHAO Hui et al. HEP NP, 2001, Supp: 81–84(in Chinese)(赵辉等.高能物理与核物理,2001,增刊:81–84) 13 Caulfield D, Ullman R. J. Appl. Phys., 1962, 33:1737–1740 14 Guinier A, Fournet G. Small–Angle Scattering of X–Ray. New York: Wiley, 1955． 24–28

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ZHAO Hui, WU Zhong-Hua, GUO Mei-Fang and DONG Bao-Zhong. Evaluation of Structural Parameters in Semicrystalline Polymer Three-Phase Systems by Small-Angle X-Ray Scattering[J]. Chinese Physics C, 2003, 27(11): 1034-1038.

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Received: 2003-03-24
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Evaluation of Structural Parameters in Semicrystalline Polymer Three-Phase Systems by Small-Angle X-Ray Scattering

Corresponding author: ZHAO Hui,

Beijing Synchrotron Radiation Laboratory, Institute of High Energy Physics, CAS, Beijing 100039, China2 Department of Physics, Anshan Normal College, Anshan 114005, China3 Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation, Beijing 100013, China

Received Date: 2003-03-24
Accepted Date: 1900-01-01
Available Online: 2003-11-05

Abstract: The structural parameters in a semicrystalline polymer three-phase system have been evaluated using small angle X-ray scattering technique. The crystallinity and the lamellar thickness are not consistent with those in two-phase system. The analysis of some semicrystalline polymer samples indicates that the Bragg long period approaches to the sum of the correlation function long period and the thickness of the transition layer. It is also consistent with the conclusion that the interphase layers exist in semicrystalline polymers.