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Effects of compatibilizers on the physico‐mechanical and foaming properties of polyproylene/wood‐fiber composites
Author(s) -
Zhang ZhenXiu,
Chen DianLong,
Kwak Kyunghwan,
Xin ZhenXiang,
Kuk Kim Jin
Publication year - 2013
Publication title -
journal of vinyl and additive technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.295
H-Index - 35
eISSN - 1548-0585
pISSN - 1083-5601
DOI - 10.1002/vnl.21318
Subject(s) - crystallinity , materials science , composite material , polypropylene , ultimate tensile strength , composite number , fiber , plastics extrusion , rheology , stiffness
Polypropylene (PP)/wood‐fiber (WF) composites were prepared by intermeshing co‐rotating twin screw extruder, and microcellular closed cell PP/WF composite foams were prepared by using pressure‐quenched batch process method. The effect of various compatibilizers on the mechanical properties, morphology, crystallinity, rheological properties, and foamability of PP/WF composites were investigated. The results showed that PP/WF composite with addition of PP‐ g ‐MA as compatibilizer had the highest tensile strength, stiffness, and crystallinity, after foaming, it showed highest relative density and cell density, as well as the smallest cell size. Higher crystallinity of PP/WF composites, showed higher stiffness and higher relative density. J. VINYL ADDIT. TECHNOL., 19:250–257, 2013. © 2013 Society of Plastics Engineers
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