Study on Crystalline Characteristic of Ultrahigh Molecular Weight Polyethylene by Inverse Gas Chromatography

Liao Kairong; Lin Shangan

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Study on Crystalline Characteristic of Ultrahigh Molecular Weight Polyethylene by Inverse Gas Chromatography

更新时间：2023-12-08

- Study on Crystalline Characteristic of Ultrahigh Molecular Weight Polyethylene by Inverse Gas Chromatography
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 24, Issue 1, Pages: 130-133(1985)
- 作者机构：
  
  中山大学高分子研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1985，
  
  Published Online：25 January 1985，
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Liao Kairong, Lin Shangan. Study on Crystalline Characteristic of Ultrahigh Molecular Weight Polyethylene by Inverse Gas Chromatography. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 24(1):130-133(1985)
DOI：

Liao Kairong, Lin Shangan. Study on Crystalline Characteristic of Ultrahigh Molecular Weight Polyethylene by Inverse Gas Chromatography. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 24(1):130-133(1985) DOI：

摘要

反相气相色谱法(Inverse Gas Chromatography

简写IGC)是研究聚合物相变和测定其结晶度的一种有效方法.超高分子量聚乙烯(UMWPE)有一系列优良的机械物理性能

本文的工作是用IGC 法研究UMWPE(M(?)=70-315×10~4)的晶相特征熔融温度和结晶度.

Abstract

The crystalline characterization on melting temperature and crystallinity rela-ting to the crystalline chain conformation of ultrahigh molecular weight poly-ethylene(UMWPE)has been studied by inverse gas chromatography.The as-poly-merized UMWPE powder has higher crystallinity(80—85%)and melting temper-ature(138-141℃)

both of them increase with the molecular weight.When the as-polymerized UMWPE powder is melted and cooled spontaneously to ambient tem-perature the crystallinity of UMWPE decreases with the increase of molecularweight

and the melting tempeature lowers to about 130 degrees cent.

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