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Impact of coupling agent on properties of wood-plastic composite
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The impact ortwo couphng agents,maleic anhydride (coupling agent 1) and isocyanate (coupling agent 2) on the properties of wood-plastic composites (WPC) was studied.Wood-plastic composites were made with coupling agents 1 and 2 and properties were tested under the condition that the ratio of wood fiber to thermoplastic polymer was 7:3,target density was 0.7 g/cm3,press temperature was 175℃,press time was 8 min,and adding amount of coupling agent 2%.Results show that coupling agent 2 was superior to coupling agent 1 and had great effect on the physical and mechanical properties of WPC.When using the same coupling agent,the impact on their properties varied with different thermoplastic polymers.
wood fiberthermoplastic polymercoupling agentwood-plastic compositephysical and mechanical properties
XU Min、LI Shuai
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Key Laboratory of Bio-based Material Science and Technology of Ministry of Education,Northeast Forestry University,Harbin 150040,China
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