Effects of fungal decay on properties of mechanical, chemical, and water absorption of wood plastic composites

Feng Jing; Li Sujuan; Peng Ruqun; Sun Tingli; Xie Xiaobao; Shi Qingshan

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Effects of fungal decay on properties of mechanical, chemical, and water absorption of wood plastic composites

机译：真菌衰减对木塑复合材料机械，化学和吸水性能的影响

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This study investigated the associations between wood species and fungal resistance, as well as the effects of fungal decay on the properties of mechanical, chemical, and water absorption of wood polypropylene composites (WPCs) filled with white poplar, moso-bamboo, Chinese fir, Ramin, white pine, and rubber wood. Experimental results on weight losses and surface morphology both showed that fungal resistance of WPCs varied significantly with wood fiber species. Chinese fir and rubber wood filled composites separately presented the most and least durability againstCoriolus versicolor(white rot) andPoria placenta(brown rot). In addition, fungal decay produced great differences in the properties of mechanical, chemical, and water absorptions between non-decayed and decayed composites. The decayed composites showed lower MOR, tensile strength, and impact strength, as well as higher MOE and water absorptions compared with non-decayed samples. These findings suggest that fungal decay could bring out dramatic influences on various properties of WPCs.

机译：本研究调查了木材种类与真菌抗性之间的关系，以及真菌腐烂对填充白杨、毛竹、杉木、苎麻、白松和橡胶木的木材-聚丙烯复合材料（WPC）的机械、化学和吸水性能的影响。重量损失和表面形态的实验结果均表明，木质纤维素的抗真菌性因木材纤维种类而异。杉木和橡胶木填充复合材料分别对云芝（白腐病）和茯苓（褐腐病）的耐久性最高和最低。此外，真菌腐朽在未腐朽和腐朽复合材料的机械、化学和吸水性能上产生了巨大差异。与未腐烂的样品相比，腐烂的复合材料显示出较低的MOR、拉伸强度和冲击强度，以及较高的MOE和吸水率。这些发现表明，真菌腐烂会对WPC的各种性质产生显著影响。

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来源
《Journal of Applied Polymer Science》 |2021年第12期|共12页
作者
Feng Jing; Li Sujuan; Peng Ruqun; Sun Tingli; Xie Xiaobao; Shi Qingshan;
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作者单位

Guangdong Acad Sci Guangdong Inst Microbiol Guangdong Prov Key Lab Microbial Culture Collect State Key Lab Appl Microbiol Southern China Guangzhou 510070 Peoples R China;

Guangdong Acad Sci Guangdong Inst Microbiol Guangdong Prov Key Lab Microbial Culture Collect State Key Lab Appl Microbiol Southern China Guangzhou 510070 Peoples R China;

Guangdong Acad Sci Guangdong Inst Microbiol Guangdong Prov Key Lab Microbial Culture Collect State Key Lab Appl Microbiol Southern China Guangzhou 510070 Peoples R China;

Guangdong Acad Sci Guangdong Inst Microbiol Guangdong Prov Key Lab Microbial Culture Collect State Key Lab Appl Microbiol Southern China Guangzhou 510070 Peoples R China;

Guangdong Acad Sci Guangdong Inst Microbiol Guangdong Prov Key Lab Microbial Culture Collect State Key Lab Appl Microbiol Southern China Guangzhou 510070 Peoples R China;

Guangdong Acad Sci Guangdong Inst Microbiol Guangdong Prov Key Lab Microbial Culture Collect State Key Lab Appl Microbiol Southern China Guangzhou 510070 Peoples R China;

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正文语种 eng
中图分类高分子化合物工业（高聚物工业）;
关键词
biodegradable; biopolymers and renewable polymers; mechanical properties; microscopy;

机译：可生物降解的;生物聚合物和可再生聚合物;机械性能;显微镜;

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Effects of fungal decay on properties of mechanical, chemical, and water absorption of wood plastic composites

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