STRUCTURAL ANALYSIS OF PEKEKK(T/I) USING WAXD, IMAGING PLATES AND SAXS*

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STRUCTURAL ANALYSIS OF PEKEKK(T/I) USING WAXD, IMAGING PLATES AND SAXS*

Papers | Updated：2021-06-21

- STRUCTURAL ANALYSIS OF PEKEKK(T/I) USING WAXD, IMAGING PLATES AND SAXS*
- Vol. 22, Issue 4, Pages: 379-387(2004)
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- Published：20 August 2004
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STRUCTURAL ANALYSIS OF PEKEKK(T/I) USING WAXD, IMAGING PLATES AND SAXS*[J]. 2004, 22(4): 379-387.
DOI：

STRUCTURAL ANALYSIS OF PEKEKK(T/I) USING WAXD, IMAGING PLATES AND SAXS*[J]. 2004, 22(4): 379-387. DOI：

摘要

Structures and crystal form transition of the novel aryl ether ketone polymer containing meta-phenylene linkage:PEKEKK(T/I) were investigated by wide angle X-ray diffraction (WAXD)

imaging plates (IPs) and small angle X-ray scattering (SAXS). The energy of activation of the decomposition reaction and degree of crystallinity of PEKEKK(T/I) were determined by WAXD and thermo-gravimetric analysis (TGA)

respectively. Results obtained from WAXD and IPs show that crystal forms Ⅰ and Ⅱ coexist in the PEKEKK(T/I) samples isothermally cold crystallized in the temperature range from 180℃ to 240℃ and only form Ⅰ occurs in PEKEKK(TTI) samples isothermally cold crystallized at 270℃ . The radius of gyration (Rg)

thickness of microregions with electron-density fluctuations (E) and distribution of particle sizes were investigated by SAXS.

Abstract

Structures and crystal form transition of the novel aryl ether ketone polymer containing meta-phenylene linkage:PEKEKK(T/I) were investigated by wide angle X-ray diffraction (WAXD)

thickness of microregions with electron-density fluctuations (E) and distribution of particle sizes were investigated by SAXS.

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