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Properties of paper mill sludge–wood fiber–HDPE composites after exposure to xenon-arc weathering 被引量:2

Properties of paper mill sludge–wood fiber–HDPE composites after exposure to xenon-arc weathering
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摘要 We used paper mill sludge(PMS) to substitute for part of the wood fibers(WF) used to reinforce high density polyethylene(HDPE).The resulting composites were subjected to xenon-arc weathering.The composite filled with limited PMS(under 10 %) had mechanical properties and aging resistance similar to those without PMS.The composites containing more PMS faded and cracked more readily than those without PMS.Based on the carbonyl index,crystallinity,and wood index,PMS appeared to accelerate the degradation of composites during weathering.Adding PMS to WF–HDPE composites reduced the weathering resistance,and this reduction was not significant if the PMS content did not exceed 20 % of the wood fibers.Therefore,PMS could be used as a reinforcement in wood-plastic composites at levels less than20 % of the wood fiber content. We used paper mill sludge(PMS) to substitute for part of the wood fibers(WF) used to reinforce high density polyethylene(HDPE).The resulting composites were subjected to xenon-arc weathering.The composite filled with limited PMS(under 10 %) had mechanical properties and aging resistance similar to those without PMS.The composites containing more PMS faded and cracked more readily than those without PMS.Based on the carbonyl index,crystallinity,and wood index,PMS appeared to accelerate the degradation of composites during weathering.Adding PMS to WF–HDPE composites reduced the weathering resistance,and this reduction was not significant if the PMS content did not exceed 20 % of the wood fibers.Therefore,PMS could be used as a reinforcement in wood-plastic composites at levels less than20 % of the wood fiber content.
出处 《Journal of Forestry Research》 SCIE CAS CSCD 2015年第2期509-515,共7页 林业研究(英文版)
基金 supported by the "Special Fund for Forestry Research in the Public Interest(201204802-1)" the "Nature Science Foundation of China(31070506)"
关键词 Wood fiber Paper mill sludge HDPE COMPOSITES Xenon-arc weathering Wood fiber Paper mill sludge HDPE Composites Xenon-arc weathering
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