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首页> 外文期刊>Journal of Applied Polymer Science >INFLUENCE OF MODIFIED WOOD FIBERS ON THE MECHANICAL PROPERTIES OF WOOD FIBER-REINFORCED POLYETHYLENE
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INFLUENCE OF MODIFIED WOOD FIBERS ON THE MECHANICAL PROPERTIES OF WOOD FIBER-REINFORCED POLYETHYLENE

机译：改性木纤维对木纤维增强聚乙烯力学性能的影响

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摘要

Wood fiber of aspen was used as a reinforced filler in linear low-density polyethylene (LLDPE). To improve the compatibility between the wood fiber and the LLDPE matrix, the wood fiber was treated with titanate coupling agents (i.e., TC-PBT and TC-POT) or grafted by acrylonitrile. Both treatments resulted in an improvement in the mechanical properties of the resultant composites compared with the composites filled with the untreated wood fiber. Moreover, the grafting method displayed a more obvious benefit than that of titanate coupling methods to the mechanical property improvement. This was attributed to the crystalline structure of the wood fiber to be destroyed by grafting acrylonitrile, and the amorphous fiber was easily deformed to enhance fiber adhesion at the LLDPE matrix. In addition, the effect of the concentration of the filled wood fiber and the amount of coupling agent or grafting ratio on the mechanical properties of composites are discussed. (C) 1997 John Wiley & Sons, Inc. [References: 11]
机译：白杨木纤维用作线性低密度聚乙烯（LLDPE）的增强填料。为了改善木纤维与LLDPE基体之间的相容性，木纤维用钛酸酯偶联剂（即，TC-PBT和TC-POT）处理或通过丙烯腈接枝。与填充有未处理的木纤维的复合材料相比，两种处理均导致所得复合材料的机械性能得到改善。此外，接枝方法在改善机械性能方面比钛酸酯偶联方法具有更明显的益处。这归因于木质纤维的晶体结构将通过接枝丙烯腈而被破坏，并且无定形纤维易于变形以增强纤维在LLDPE基体上的附着力。另外，讨论了填充木纤维的浓度和偶联剂的量或接枝率对复合材料机械性能的影响。 （C）1997 John Wiley＆Sons，Inc. [参考：11]

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