引用本文:
于英宁, 张宏放, 莫志深, 陈伟, 孙春燕. 间规立构聚丙烯的结晶度研究[J]. 应用化学,
1998, 15(6): 77-79.
Citation: Yu Yingning, Zhang Hongfang, Mo Zhishen, Chen Wei, Sun Chunyan. On the Crystallinity of Syndiotactic Polypropylene[J]. Chinese Journal of Applied Chemistry, 1998, 15(6): 77-79.
Citation: Yu Yingning, Zhang Hongfang, Mo Zhishen, Chen Wei, Sun Chunyan. On the Crystallinity of Syndiotactic Polypropylene[J]. Chinese Journal of Applied Chemistry, 1998, 15(6): 77-79.
间规立构聚丙烯的结晶度研究
English
On the Crystallinity of Syndiotactic Polypropylene
Abstract:
A formula for calculating the crystallinity of syndiotactic polypropylene samples synthesized by metallocene catalyst with constant syndiotacticity has been derived on the basis of W AXD intensity and the graphic resolution method. The calculated by this formula values have been compared with those obtained by DSC and density measurements. They all give a maximum value at Tc(95℃) of the polymer, while the calculated values are more or less higher.
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Key words:
- syndiotactic polypropylene
- / crystallinity
- / W AXD
- / DSC
- / density
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