3D打印用茶梗纤维/聚乳酸复合材料的制备、性能及应用  

Preparation,Properties and Application of Tea Stem Fiber/Polylactic Acid Composite for 3D printing

作　　者：熊伟[1,2] 张苏婉 卢嵩 孙亚男 XIONG Wei;ZHANG Su-wan;LU Song;SUN Ya-nan(Jiangsu Polytechnic College of Agriculture and Forestry,Jurong Jiangsu 212400,China;Nanjing Forestry University,Nanjing Jiangsu 210037,China)

机构地区：[1]江苏农林职业技术学院,江苏句容212400 [2]南京林业大学,江苏南京210037

出　　处：《林业机械与木工设备》2022年第1期12-16,共5页Forestry Machinery & Woodworking Equipment

基　　金：江苏省大学生创新创业训练计划项目(202013103007Y)。

摘　　要：生物质纤维/PLA复合材料在3D打印材料中的应用较多,将农业废弃物茶梗纤维(TSF)与聚乳酸(PLA)以不同质量比例进行混合,按单螺杆挤出的工艺将材料熔融后进行复合、注塑成型,并进行复合材料密度、吸水性能、界面形貌、拉伸强度、硬度等性能测定,分析茶梗纤维的含量对复合材料性能的影响。同时,对制备出的新型复合材料利用3D打印技术进行图案设计与打印,探究此类复合材料在家具构件中应用的可行性。Biomass fiber/PLA composite materials are widely used in 3D printing materials.Agricultural waste tea stem fiber(TSF)and polylactic acid(PLA)are mixed in different mass ratios,and the material is fused and then compounded and injection molded according to the single-screw extrusion process,with such properties as water absorption,interface morphology,tensile strength and hardness determined,the influence of the content of tea stem fiber on the composite material properties analyzed.At the same time,the 3D printing technology is used for pattern design and printing of the new composite material to explore the feasibility of using such composite material in furniture components.

关 键 词：茶梗纤维 聚乳酸 熔融挤出 3D打印 

分 类 号：TB332[一般工业技术—材料科学与工程]