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author:

王灿耀 (王灿耀.) [1] | 郑玉婴 (郑玉婴.) [2]

Indexed by:

PKU CSCD

Abstract:

通过改性使Kevlar纤维(KF)成为己内酰胺阴离子开环聚合的活性中心,采用阴离子接枝法在其表面接枝上PA6低聚物,并与基体PA6混合,用挤出和注塑方式制备尼龙6/改性Kevlar纤维(PA6/KF1)复合材料。XPS,ESEM和FT-IR分析表明Kevlar纤维表面接枝上了PA6低聚物。DSC测试表明,Kevlar纤维对PA6结晶起异相成核作用,提高了PA6的结晶速率;由于表面接枝PA6的KF1与基体良好结合,阻碍了PA6分子链的迁移运动,导致其对PA6结晶成核作用不如未改性纤维(KF0);在较低温度下(188~192℃)等温结晶后的PA6呈现Ⅰ、Ⅱ和Ⅲ三重峰的熔融行为;而在较高温度(194...

Keyword:

Kevlar纤维 复合材料 尼龙6 等温熔融 等温结晶

Community:

  • [ 1 ] 福州大学化学化工学院
  • [ 2 ] 福州大学化学化工学院 福州350002
  • [ 3 ] 福州350002

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Source :

材料工程

Year: 2008

Issue: 03

Page: 9-12

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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