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Effect of chemical modification on the properties of wood/polypropylene composites 被引量:14
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作者 QIN Te-fu HUANG Luo-hua LI Gai-yun 《Journal of Forestry Research》 SCIE CAS CSCD 2005年第3期241-244,共4页
Aluminate-based coupling agent was added as a compatibilizer to make the chemical modification of wood powder. The mechanical properties and morphology of wood powder/polypropylene composites were studied. The results... Aluminate-based coupling agent was added as a compatibilizer to make the chemical modification of wood powder. The mechanical properties and morphology of wood powder/polypropylene composites were studied. The results showed that the compatibilizer can increase the impact strength of the wood/polypropylene composites, but it has a slightly negative effect on the tensile and flexural strength. For dynamic mechanical properties and Differential Scanning Calorimetry, Aluminate-based coupling agent can slightly increase the storage modulus and loss modulus, and decrease the melt point and the Calorie of Melt. Scanning electron microscopy showed that Aluminate-based coupling agent had a stronger affinity between the wood and polypropylene surfaces. These results suggested that Aluminate-based coupling agent may play a useful role in improving wood powder/polypropylene composites properties. 展开更多
关键词 Powder/polypropylene composites Mechanical properties Dynamic mechanical properties MORPHOLOGY
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