剑麻纤维／玄武岩纤维混杂增强聚乳酸复合材料的力学性能研究  

Research on the Mechanical Properties of Sisal Fiber/Basalt Fiber Hybrid Reinforced Polylactide Composites

作　　者：梁行 王烨烨 左成莉 吴宏武[1] 傅轶 

机构地区：[1]聚合物成型加工工程教育部重点实验室,华南理工大学聚合物新型成型装备国家工程研究中心,广东广州510640 [2]广东银禧科技股份有限公司,广东东莞523927

出　　处：《塑料工业》2017年第11期32-37,共6页China Plastics Industry

基　　金：国家自然科学基金重大仪器专项(编号2012YQ23004306)

摘　　要：混杂纤维增强复合材料由于可以综合利用各种纤维的优点,极大地提高复合材料的性能,拓展复合材料的适用范围。采用剑麻纤维和玄武岩纤维混杂增强聚乳酸制备复合材料,研究了纤维含量和铺层顺序对混杂纤维复合材料力学性能的影响。结果表明,剑麻纤维作为芯层、玄武岩纤维作为表层时混杂复合材料具有较好力学性能。当纤维质量分数为40%时,其拉伸强度和冲击强度比纯聚乳酸分别提高了2.83倍、41.47倍,达到了267.29 MPa和183.46k J/m^2;纤维含量为30%时,其弯曲强度比纯聚乳酸提高4.07倍,达到354.16 MPa。Hybrid fiber reinforced polymer composites （HFRP） can improve their properties and widen their applications by take full advantages of each component fibers. Sisal fiber and basalt fiber reinforced polylactide hybrid composites were studied in the paper. The effects of the fiber weight contents and layer sequences on the mechanical properties of sisal/basah hybrid composites were investigated. The results show that, better mechanical properties were obtained when sisal fiber were used as core layer and basalt fiber as surface layer. When fiber content is 40wt% , the tensile and impact strength of the composites reach 267.29 MPa and 183.46 kJ/m^2, respectively, which are higher 2. 83 and 41.47 times respectively than those of pure PLA. When fiber content is 30wt% , the flexural strength of the composites reach 354. 16 MPa, higher 4.07 times than that of PLA.

关 键 词：剑麻纤维 玄武岩纤维 聚乳酸 力学性能 

分 类 号：TB332[一般工业技术—材料科学与工程] TQ323.4[化学工程—合成树脂塑料工业]