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author:

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

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CQVIP PKU CSCD

Abstract:

对Kevlar纤维进行了改性,使其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Kevlar纤维(KF)表面接枝尼龙6低聚物,并与基体尼龙6混合,用挤出和注塑方式制备了尼龙6/改性Kevlar纤维(PA6/KF1)复合材料.ESEM和XPS分析表明,Kevlar纤维表面接枝上了尼龙6低聚物.比较了尼龙6/未改性Kevlar纤维(PA6/KF0)和PA6/KF1复合材料的力学性能及破坏形态,同时探讨了其破坏机理.结果表明,接枝尼龙6的KF1增强了KF与尼龙6复合材料界面的相互作用,拉伸强度、弯曲强度和弯曲模量分别提高了20.69%、12.26%和14.23%,但冲击强度降低了8.2%;当复合材料被破坏时,未改性纤维表面只粘附有少量的树脂尼龙6,而改性纤维的表面有较多的树脂包覆层,呈部分非界面脱粘破坏,具有良好的界面结合能力.

Keyword:

Kevlar纤维 力学性能 尼龙6

Community:

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

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Source :

应用化学

ISSN: 1000-0518

CN: 22-1128/O6

Year: 2006

Issue: 12

Volume: 23

Page: 1373-1376

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: 2

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