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微发泡木塑复合材料耐腐性能的研究 被引量:2

Research on Decay Resistance of Micro-foamed Wood Plastic Composites
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摘要 研究了5种不同木塑比的木塑复合材料的天然耐腐性能。结果表明:①木塑复合材料的天然耐腐性能为强耐腐等级,受菌侵染后质量损失率随着木粉含量的提高而增大,但均小于3.5%,方差分析表明,木粉含量对试件质量损失率的影响高度显著,指数函数y=a×exp(x/b)+c对5种木塑材料的平均质量损失率拟合结果较好,决定系数R2为0.923 58;②通过SEM和DSC分析,木塑材料受菌侵染后,主要是木质材料受到了破坏。 Experiments were conducted on nature decay resistance of wood plastic composites (WPCs) with 5 different wood and plastic ratios. The results showed that nature decay resistance of WPCs was strong, the mass loss rate of specimens decayed increased with wood flour content, but always less than 3.5%. Analysis of variance demonstrated that wood flour content had great effect on mass loss rate of WPCs. Exponential function y = a x exp(x/b)+ c could well fit the mean mass loss rate of 5 kinds of WPCs with determination coefficient of 0.92358. Analysis of SEM and DSC showed that wood-rotting fungi mainly decayed the wood component of the specimens.
作者 朱远 姜志宏
出处 《浙江林业科技》 北大核心 2012年第2期29-32,共4页 Journal of Zhejiang Forestry Science and Technology
基金 浙江省科技厅重大项目"木塑复合材料的研制及开发"(2005C12018)
关键词 木塑 天然耐腐性能 质量损失 SEM DSC wood plastic composites nature decay resistance mass loss rate SEM, DSC
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