RELATIONSHIP BETWEEN MICROSTRUTURE AND PROPERTIES FOR PTMPS AND PTMPS DMS ORGANOSILOXANE POLYMERS

JIN Zuquan; ZHOU Jiafang; LI Sitao

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RELATIONSHIP BETWEEN MICROSTRUTURE AND PROPERTIES FOR PTMPS AND PTMPS DMS ORGANOSILOXANE POLYMERS

Research Article | 更新时间：2021-03-19

- RELATIONSHIP BETWEEN MICROSTRUTURE AND PROPERTIES FOR PTMPS AND PTMPS DMS ORGANOSILOXANE POLYMERS
- Acta Polymerica Sinica Issue 6, Pages: 678-683(1997)
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- Published：20 December 1997，
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JIN Zuquan, ZHOU Jiafang, LI Sitao. RELATIONSHIP BETWEEN MICROSTRUTURE AND PROPERTIES FOR PTMPS AND PTMPS DMS ORGANOSILOXANE POLYMERS. [J]. Acta Polymerica Sinica (6):678-683(1997)
DOI：

JIN Zuquan, ZHOU Jiafang, LI Sitao. RELATIONSHIP BETWEEN MICROSTRUTURE AND PROPERTIES FOR PTMPS AND PTMPS DMS ORGANOSILOXANE POLYMERS. [J]. Acta Polymerica Sinica (6):678-683(1997) DOI：

摘要

用ＳＡＸＳ法和偏光显微镜研究了ＰＴＭＰＳ均聚物和ＰＴＭＰＳ-ＤＭＳ多嵌段共聚物熔体结晶的亚微观结构．结果表明ＰＴＭＰＳ和ＰＴＭＰＳ-ＤＭＳ的亚微观结构参数

和球晶形态、晶体界面自由能表观积及基本物性参数等存在密切相关性．当ＤＭＳ含量为５０％时亚微观结构参数均显示一个转折变化过程

此时

球晶形态、晶体界面自由能、熔点、玻璃化温度和结晶度指数亦呈现一个突变过程．

Abstract

The microstructure of PTMPS and PTMPS DMS were studied by SAXS and polarzing microscope.The results showed that the morphology of spherulites

the crystal surface free energies

T m

T g

crystallinity index(d

c) were in close relationship with long spacing

crystal thickness

amorphous thickness and crystallinity index of one dimension.A turning point was present at 50% of DMS content for any curve of above parameters vs.DMS content.

关键词

聚硅氧烷亚微观结构ＳＡＸＳ

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