纺织学报 ›› 2012, Vol. 33 ›› Issue (8): 11-18.

• 纤维材料 • 上一篇    下一篇

角蛋白异质和同质复合膜的破坏行为探讨

刘洋1,于伟东1,2   

    1. 东华大学纺织材料与技术实验室
    2. 武汉纺织大学纺织科学与工程学院
  • 收稿日期:2011-08-01 修回日期:2011-12-21 出版日期:2012-08-15 发布日期:2012-08-08
  • 通讯作者: 于伟东 E-mail:wdyu@dhu.edu.cn

Breaking behavior of homogeneous and heterogeneous keratin composite membranes

 LIU  Yang1, YU  Wei-Dong1,2   

    1. Textile Materials and Technology Laboratory, Donghua University
    2. College of Textiles and Material, Wuhan Textile University
  • Received:2011-08-01 Revised:2011-12-21 Online:2012-08-15 Published:2012-08-08
  • Contact: YU Wei-Dong E-mail:wdyu@dhu.edu.cn

摘要: 为了选择适合于角蛋白基复合膜的短纤维状增强体,本文分别对纯膜,和以无机晶须与羊毛原纤增强的异质和同质复合膜的损伤和破坏行为进行分析,并探讨了头端分叉状的原纤对复合膜的增强与增韧作用。结合显微镜照片,对其拉伸曲线进行了分阶段讨论,结果表明:增强体的力学性质和形态特征对复合膜的破坏过程产生了一定的影响,但复合膜仍以基体的力学性能为主,加入增强体的同时也引入了大量启裂点,对复合膜性能起到劣化作用,但合适性能和形态特征的增强体仍可改善复合膜的性能。

关键词: 羊毛角蛋白膜 , 同质复合 , 异质复合 , 破坏行为

Abstract: In order to select the most suitable short fibre reinforcements in keratin matrix composite membranes, this paper analyzed the break and damage characteristics of neat regenerated keratin membranes, as well as inorganic whiskers and wool fibrils reinforced keratin heterogeneous and homogeneous composite membranes, and then the effect of branched fibrils ends on achieving reinforcement and toughness simultaneously were also explored. The tensile curves were discussed by stages, and combined with the microscopic photographs, so the results suggested that the mechanical properties and shape character of reinforcements have some effect on composite membranes. However, the matrix mechanical properties were taken priority in composites, and cracks points were introduced accompanied with reinforcements, which can degrade the composites mechanical performance, but only the proper mechanical properties and shape character of reinforcements can effectively improve the composites properties.

Key words: wool keratin membrane , homogeneous composite , heterogeneous composite , break behavior

中图分类号: 

  • A
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