ANALYSIS OF X-RAY AND ELECTRON-BEAM DIFFRACTION PATTERNS FROM POLY(DIPROPYL-SILOXAND)

被引:15
作者
PETERSEN, DR
CARTER, DR
LEE, CL
机构
[1] Chemical Physics Research Laboratory, The Dow Chemical Company, Midland, Michigan
[2] Dow Corning Corporation, Midland, Michigan
来源
JOURNAL OF MACROMOLECULAR SCIENCE-PHYSICS | 1969年 / B 3卷 / 03期
关键词
D O I
10.1080/00222346908217104
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The crystalline polysiloxane (—R2SiO—)n. where R= n-propyl, has been characterized through high-resolution X-ray diffraction patterns of the polycrystalline material and selected-area electron-beam diffraction patterns of single crystals. The smallest unit cell consistent with the diffraction data is tetragonal, with dimensions a = 9.52 • 0.01 and c = 9.40 ± 0.05. The probable space group is P41 (or P43). © 1969, Taylor & Francis Group, LLC. All rights reserved.
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页码:519 / &
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