Effects of PMDI Modified on Physico-Mechanical Properties of Silvergrass Reinforced High Density Polyethylene Composites

Wang Wang Yu; Juan Li; Yun Ping Cao

doi:10.4028/www.scientific.net/AMR.750-752.38

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Internal Stress Calculations of Continuous Fiber Reinforced Composites under Transverse Loads
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The Thermo-Mechanical Coupling Analysis of SiCp/A356 Composites Brake Disc of a Passenger Car
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Effects of MAPE Treatments on Thermal Properties of Silvergrass Reinforced High Density Polyethylene Composites
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Effects of PMDI Modified on Physico-Mechanical Properties of Silvergrass Reinforced High Density Polyethylene Composites
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Properties Characteristics of Silicone Inhibitors
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The Bentonite Copolymer Composite for Removing Lead Ions
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The Research Status, Superiorities and Prospect of Composite Insulation Materials in China
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Conductive Polypyrrole/Polyurethane Composite Fibers for Chloroform Gas Detection
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Effects of PMDI Modified on Physico-Mechanical Properties of Silvergrass Reinforced High Density Polyethylene Composites

Abstract:

In this study, the silvergrass (SV) was used to reinforce HDPE composites. The effects of polymeric methylene diphenyl diisocyanate (PMDI) content, slivergrass fibers content on the mechanical, water absortion of wood plastic composites (WPCs) were investigated. It was found that the mechanical properties of the SV reinforced HDPE composites can be improved by PMDI treatment. The highest tensile strength and flexural strength of the composites can be reached with 50% SV contents at the SV: PMDI=6:1. It has been proved that the hydroxyl groups of SV fibers which can react with the-NCO by FTIR. It also can be concluded that the water absorption of PMDI treated WPCs was lower than untreated ones.