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4701993 
Journal Article 
Properties of UHMWPE fiber-reinforced composites 
Zhang, X; Wang, Y; Cheng, S 
2013 
1 
Polymer Bulletin
ISSN: 0170-0839
EISSN: 1436-2449 
SPRINGER 
NEW YORK 
70 
3 
821-835 
WOS:000316226300006 
Based on our previous work, a new thermosetting resin system, named PCH, has been developed to be used as the matrix of ultrahigh-molecular-weight polyethylene (UHMWPE) fiber composites in order to get improved interface bond and mechanical properties. In this work, UHMWPE fiber/PCH composites with different ratios of PCH/styrene were prepared and the impact resistance, dynamic mechanical properties, and dielectric properties of UHMWPE fiber/PCH composites were investigated. The interlaminar shear failure characteristic of composites was analyzed by introducing a series of energy indexes indicating the energy absorbed in interlaminar shear failure process, which show good correlation with interlaminar shear strength of samples. UHMWPE fiber/PCH composites have excellent impact property, and the impact strength can reach 140.8 kJ/m(2) as the ratio of PCH/styrene is 60/40. Dynamic mechanical analysis showed that UHMWPE fiber/PCH composites have high storage moduli (E') and low dissipation factor (tan delta) and these properties are influenced by the interfacial adhesion. The dielectric property test demonstrated that UHMWPE fiber/PCH composites have low dielectric constant (2.20 < epsilon' < 2.55) and dielectric loss tangent (1.50 X 10(-3) < tan delta < 1.81 X 10(-2)) and show good stability in a large range of frequency and temperature. 
UHMWPE fiber; Composites; Impact resistance; Dynamic mechanical properties; Dielectric properties