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Study on the mechanical properties of hybrid reinforced rigid polyurethane composite foam
Author(s) -
Yang ZhenGuo,
Zhao Bin,
Qin SangLu,
Hu ZhengFei,
Jin ZhongKao,
Wang JianHua
Publication year - 2004
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.20071
Subject(s) - polyurethane , materials science , composite material , ultimate tensile strength , composite number , fiber , glass fiber
The mechanical properties of hybrid reinforced rigid polyurethane (PU) foams were investigated with the reinforcing agent SiO 2 and fibers. The effect of content of SiO 2 and fibers and the effect of length of fibers on the properties of the PU composite foam were emphatically analyzed. The experiment results show that the tensile strength of the PU composite foam is optimal when the content of SiO 2 and glass fiber is 20 and 7.8%, respectively. Furthermore, the reinforcing effect of glass fiber, Nylon‐66 fiber, and PAN‐matrix carbon fiber were compared and the results show that the tensile strength of the PU composite foam reinforced with 3–5% carbon fiber is optimal. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 92: 1493–1500, 2004

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