Surface modification and physical properties of various UHMWPE-fiber-reinforced modified epoxy composites

被引:55
作者
Lin, S. P.
Han, J. L.
Yeh, J. T.
Chang, F. C.
Hsieh, K. H. [1 ]
机构
[1] Natl Taiwan Univ, Inst Polymer Sci & Engn, Taipei 106, Taiwan
[2] Natl Ilan Univ, Dept Chem & Mat Engn, Ilan 260, Taiwan
[3] Nanya Inst Technol, Dept Text Sci, Tao Yuan 414, Taiwan
[4] Natl Chiao Tung Univ, Dept Appl Chem, Hsinchu 300, Taiwan
[5] Natl Taiwan Univ, Dept Chem Engn, Taipei 106, Taiwan
关键词
epoxy (DGEBA); polyurethane; ultrahigh-molecular-weight polyethylene (UHMWPE) fibers; tensile strength; interfacial adhesion in composites; plasma surface treatment; chemical agent treatment;
D O I
10.1002/app.25735
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Two surface modification methods-plasma surface treatment and chemical agent treatment-were used to investigate their effects on the surface properties of ultrahigh-molecular-weight polyethylene (UHMWPE) fibers. In the analyses, performed using electron spectroscopy for chemical analysis, changes in weight, and scanning electron microscope observations, demonstrated that the two fiber-surface-modified composites formed between UHMWPE fiber and epoxy matrix exhibited improved interfacial adhesion and slight improvements in tensile strengths, but notable decreases in elongation, relative to those properties of the composites reinforced with the untreated UHMWPE fibers. In addition, three kinds of epoxy resins-neat DGEBA, poly-urethane-crosslinked DGEBA, and BHHBP-DGEBA-were used as resin matrices to examine the tensile and elongation properties of their UHMWPE fiber-reinforced composites. From stress/strain measurements and scanning electron microscope observations, the resin matrix improved the tensile strength apparently, but did not affect the elongation. (c) 2007 Wiley Periodicals, Inc.
引用
收藏
页码:655 / 665
页数:11
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