PP基木塑复合材料配方研究论文定稿.doc

本科毕业论文(设计) 题目： PP基木塑复合材料配方研究 学院： ****** 专业： ****** 姓名： *** 指导教师： *** 20** 年 **月 **日PP基木塑复合材料配方研究 摘要 对PP基木塑复合材料配方进行了研究，采用正交试验方法,以木粉含量、偶联剂用量、PP-g-MAH用量、滑石粉用量和润滑剂用量为因素，以材料的各项力学性质及熔融指数为指标，进行实验，得到影响复合材料性能的各因素主次关系，优化了配比。实验结果表明：木粉填充量对复合材料力学性能综合影响最显著；硅烷偶联剂KH550和PP-g-MAH的加入均可以提高复合材料的力学性能，PP-g-MAH影响更显著；PE蜡用量对复合材料加工流动性影响较大；滑石粉对复合材料的断裂伸长率和冲击强度影响较显著，提高了材料的弯曲和拉伸强度；综合分析得配方优化方案木粉用量40份，KH550用量1份，PP-g-MAH用量9份，PE蜡用量2份，滑石粉用量6份。 关键词：聚丙烯，木塑复合材料，正交试验，力学性能 Abstract: PP based wood-plastic composite formulation , orthogonal test method , the wood flour content and coupling agent , PP -g - MAH was the amount of talc and lubricant dosage factors , the material mechanical properties and the melt index as an indicator , the experiment , various factors affect the performance of the composite primary and secondary relationship to optimize the ratio .Experimental results show that : the most significant wood flour filler on the combined effects of the mechanical properties of composites ; of silane coupling agent KH550 and PP -g - MAH can improve the mechanical properties of composite materials , the impact of PP- g - MAH was more pronounced ; the PE amount of wax can significantly enhance the mobility of the material processing ; talcum powder than the elongation at break and impact strength of composites significantly improved flexural and tensile strength ;comprehensive analysis to have the formula optimization of wood powder dosage of 40 of KH550 dosage of PP - g - MAH was the amount of nine , the amount of PE wax , talc 6 . Keyword: Polypropylene，Wood-plastic composites，Orthogonal test，Mechanical properties 目录 摘要 ……………………………………………………………………………………………………………I Abstract…………………………………………………………………………………………………………I 第1部分 前言 ………………………………………………………………………………………………1 1.1 引言 …………………………………………………………………………………………………1 1.2 木塑复合材料研究进展及亟待解决问题 ……………………………………………………2 1.2.1 木塑复