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author:

王灿耀 (王灿耀.) [1] | 郑玉婴 (郑玉婴.) [2] (Scholars:郑玉婴)

Indexed by:

CQVIP 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FTIR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℃),纯PA6的熔融行为则呈现熔融双峰;KF的加入同时使PA6的熔融行为发生显著变化.

Keyword:

Kevlar纤维 复合材料 尼龙6 等温熔融 等温结晶

Community:

  • [ 1 ] [王灿耀]福州大学
  • [ 2 ] [郑玉婴]福州大学

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Source :

材料工程

ISSN: 1001-4381

CN: 11-1800/TB

Year: 2008

Issue: 3

Page: 9-12

0 . 6 0 0

JCR@2023

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 3

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