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《工程塑料应用》 2024年第01期
DOI:10.3969/j.issn.1001-3539.2024.01.001
高填充油茶果壳基木塑复合材料的制备及力学性能
刘翔宇12,杨逸飞12,徐道春12,李文彬12,白效鹏12
1.北京林业大学工学院,北京 100083; 2.林业装备与自动化国家林业和草原局重点实验室,北京 100083 
Preparation and mechanical properties of wood-plastic composite materials of high-filled camellia oleifera shells
LIU Xiangyu12, YANG Yifei12, XU Daochun12, LI Wenbin12, BAI Xiaopeng12
1.School of Technology,Beijing Forestry University,Beijing 100083,China; 2.Key Lab of State Forestry Administration on Forestry Equipment and Automation,Beijing 100083,China 
摘要:以油茶果壳和不同塑料即聚丙烯、高密度聚乙烯(PE-HD)、低密度聚乙烯 、线性低密度聚乙烯为原料,采用模压成型的方法制备了高填充油茶果壳基木塑复合材料 ,利用电子万能试验机和悬臂梁冲击试验机测试其力学性能。通过单因素试验分析塑料种类对复合材料力学性能的影响 ,确定较优塑料种类后进一步优化制备参数。以壳粉含量、增容剂马来酸酐接枝聚乙烯(MAPE) 含量、热压温度、热压时间为设计因素,以弯曲强度 、弯曲弹性模量、拉伸强度、冲击强度为力学性能优化目标,设计 L9(34)正交试验,研究了高填充油茶果壳基木塑复合材料的制备工艺,利用极差分析和方差分析得到了较优配方和工艺参数组合。研究表明 :当添加塑料为PE-HD时,复合材料的弯曲强度最大为34.40 MPa,拉伸强度最大为 18.20 MPa,力学性能较优 ;壳粉含量为65%时,添加7% MAPE的复合材料强度较好,弯曲强度最大为33.66 MPa;优化制备参数组合为壳粉含量55%,MAPE含量 5%,热压温度160 ℃,热压时间10 min。 
Abstract:The wood-plastic composite materials of high-filled camellia oleifera shells were prepared by using camellia oleif‐ era shells and different plastics, namely polypropylene, high-density polyethylene (PE-HD), low-density polyethylene and linear low-density polyethylene as raw materials by employing the compression molding method. The mechanical properties of the composite materials were tested using an electronic universal testing machine and a cantilever beam impact testing machine. The influence of plastic types on the mechanical properties of the composite materials was analyzed through single-factor experiments, and after the optimal plastic type was determined, the preparation parameters were further optimized. Using the shell powder content, maleic anhydride grafted polyethylene (MAPE) content as compatibilizer, hot pressing temperature, and hot pressing time as design factors, and using flexural strength, flexural modulus, tensile strength, and impact strength as optimization targets for mechanical properties, an L9(34)orthogonal experiment was designed to study the preparation process of wood-plastic composite materials of high-filled camellia oleifera shells, the optimal formulation and process parameters combination were obtained through range analysis and variance analysis. The research results show that the inclusion of PE-HD as the plastic component results in a maximum flexural strength of 34.40 MPa and a maximum tensile strength of 18.20 MPa for the composite materials, demonstrating its superior mechanical properties. When the shell powder content reaches 65%, the addition of 7% MAPE enhances the strength, leading to a maximum flexural strength of 33.66 MPa. The optimized preparation parameter combination is shell powder content of 55%, MAPE content of 5%, hot pressing temperature of 160 ℃, and hot pressing time of 10 minutes. 
关键词:油茶果壳;木塑复合材料;高密度聚乙烯;力学性能;正交试验 
Keywords:camellia oleifera shell; wood-plastic composite material; high-density polyethylene; mechanical property; orthogonal test 
基金:国家重点研发计划项目子课题项目(2019YFD1002401-3),江西省德义行油茶开发有限公司项目(2022HXFWGXY007) 
本文引用格式:
刘翔宇,杨逸飞,徐道春,等.高填充油茶果壳基木塑复合材料的制备及力学性能[J].工程塑料应用,2024,52(1):1-7.
LIU Xiangyu,YANG Yifei,XU Daochun,et al. Preparation and mechanical properties of wood-plastic composite materials of high-filledcamellia oleifera shells[J]. Engineering Plastics Application,2024,52(1):1-7. 

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