热压成型工艺对竹纤维/PLA复合材料力学性能的影响

doi:10.19398/j.att.202204003

摘要/Abstract

摘要： 为优选竹纤维/PLA复合材料的热压成型工艺参数,并进一步研究具有显著影响的工艺参数对复合材料力学性能的影响,采用L₉(3³)正交试验设计,以热压成型温度、压强、时间为影响因素进行分析,并用万能强力仪、扫描电镜对其拉伸性能、弯曲性能及形貌特征进行表征分析。结果表明:对于竹纤维/PLA复合材料,压强对其拉伸及弯曲强度的影响最大,其次是温度,时间的影响最小,其中压强对复合材料拉伸强度具有显著性影响;当热压成型工艺参数为180 ℃,2 MPa,30 min时,竹纤维与PLA结合较好,复合材料的拉伸及弯曲强度都达到了最大值,分别为61.43、65.47 MPa。

关键词: 竹纤维, 聚乳酸, 复合材料, 热压成型, 正交设计

Abstract: For optimizing bamboo fiber/PLA composite extrusion molding process parameters, and for further study of the influence of process parameters with significant influence on the effect of compound material mechanics performance, we designed an L₉ (3³) orthogonal experiment, analyzed the influence factors of hot pressing molding temperature, pressure and time, and tested the tensile properties, bending properties and morphology features with the universal strength meter and scanning electron microscopy. The results show that as for the bamboo fiber/PLA composite materials, pressure has the greatest influence on the tensile and bending strength, followed by temperature, with time having the minimum effect. Among them, pressure has a significant influence on the tensile strength of the composites. When the process parameters of hot pressing were 180 ℃, 2 MPa, and 30 min, the bamboo fiber was well combined with PLA, and the tensile and bending strength of the composite reached the maximum value, being 61.43 MPa and 65.47 MPa, respectively.

Key words: bamboo fiber, polylactic acid, composites, hot pressing, orthogonal design

中图分类号:

TB332

郑茜仁, 邵灵达, 金肖克, 祝成炎, 田伟. 热压成型工艺对竹纤维/PLA复合材料力学性能的影响[J]. 现代纺织技术, 2022, 30(6): 73-79.

ZHENG Qianren, SHAO Lingda, JIN Xiaoke, ZHU Chengyan, TIAN Wei. Influence of hot pressing process on mechanical properties of bamboo fiber/PLA composites[J]. Advanced Textile Technology, 2022, 30(6): 73-79.

参考文献

[1] ZHANG J, CHEVALI V S, WANG H, et al. Current status of carbon fibre and carbon fibre composites recycling[J]. Composites Part B: Engineering, 2020,193:108053.
[2] LYU M Y, CHOI T G. Research trends in polymer materials for use in lightweight vehicles[J]. International Journal of Precision Engineering and Manufacturing, 2015, 16(1): 213-220.
[3] MAZZANTI V, PARIANTE R, BONANNO A, et al. Reinforcing mechanisms of natural fibers in green composites: Role of fibers morphology in a PLA/hemp model system[J]. Composites Science and Technology, 2019, 180: 51-59.
[4] PARK J M, QUANG S T, HWANG B S, et al. Interfacial evaluation of modified jute and hemp fibers/polypropylene (PP)-maleic anhydride polypropylene copolymers (PP-MAPP) composites using micromechanical technique and nondestructive acoustic emission[J]. Composites Science and Technology, 2006, 66(15): 2686-2699.
[5] 纪雨辛,李新功,唐钱,等.竹纤维增强聚己内酯复合材料制备工艺[J].林产工业,2016,43(5):25-29.
JI Yuxin, LI Xingong, TANG Qian, et al. Preparation technology of bamboo fiber reinforced polycaprolactone composites[J]. China Forest Products Industry, 2016, 43(5): 25-29.
[6] 李新功,郑霞,吴义强.竹纤维/聚乳酸复合材料界面调控[J].复合材料学报,2012,29(4):94-98.
LI Xingong, ZHENG Xia, WU Yiqiang.Interface control of bamboo fibers/polylactic acid composites[J]. Acta Materiae Compositae Sinica, 2012, 29(4): 94-98.
[7] 潘刚伟,侯秀良,练滢,等.聚乳酸/小麦秸秆纤维复合材料降解性能研究[J].化工新型材料,2013,41(1):149-151.
PAN Gangwei, HOU Xiuliang, LIAN Ying, et al. Study on the degradation properties of poly(lactic acid)/wheat straw fibers composites[J]. New Chemical Materials, 2013, 41(1): 149-151.
[8] ASHWIN B, ABINAVA B, PRASITH T. P, et al. 3D-poly (lactic acid) scaffolds coated with gelatin and mucic acid for bone tissue engineering[J]. International Journal of Biological Macromolecules, 2020, 162: 523-532.
[9] JEOUNG S K, HA J U, KO Y K, et al. Aerobic biodegradability of polyester/polylactic acid composites for automotive NVH parts[J]. International Journal of Precision Engineering and Manufacturing, 2014, 15(8): 1703-2555.
[10] 李文豪,吴义强,李萍,等.竹纤维/聚乳酸可降解复合材料相容界面构建进展[J].材料导报,2018,32(17):3076-3082.
LI Wenhao, WU Yiqiang, LI Ping, et al. Construction of compatible interfaces for BF/PLA biodegradable compo-sites: A review[J]. Materials Reports, 2018, 32(17): 3076-3082.
[11] MA Y, QIAN S, HU L, et al. Mechanical, thermal, and morphological properties of PLA biocomposites toughened with silylated bamboo cellulose nanowhiskers[J]. Polymer Composites, 2019, 40(8): 3012-3019.
[12] ZUO Y, LI W, LI P, et al. Preparation and characte-rization of polylactic acid-g-bamboo fiber based on in-situ solid phase polymerization[J]. Industrial Crops and Products, 2018, 123: 646-653.
[13] 王子健,周晓东.连续纤维增强热塑性复合材料成型工艺研究进展[J].复合材料科学与工程,2021(10):120-128.
WANG Zijian, ZHOU Xiaodong. Research progress on forming process of continuous fiber reinforced thermopla-stic composites[J]. Composites Science and Engineering, 2021(10): 120-128.
[14] 钟凯琪,肖旸,芦星,等.煤火热能TPCT提取正交试验设计与极差分析[J].中国安全科学学报,2021,31(9):135-141.
ZHONG Kaiqi, XIAO Yang, LU Xing, et al. Orthogonal experiment design and range analysis of TPCT extracting thermal energy from coal fire[J]. China Safety Science Journal, 2021, 31(9): 135-141.
[15] 沃西源,薛芳,李静.复合材料模压成型的工艺特性和影响因素分析[J].高科技纤维与应用,2009,34(6):41-44.
WO Xiyuan, XUE Fang, LI Jing. Analysis on the process properties and influencing factors of composites molding[J]. Hi-Tech Fiber and Application, 2009, 34(6): 41-44.
[16] 蔡新娟.汽车内饰用改性黄麻纤维毡/聚乳酸复合材料[D].上海:东华大学,2021.
CAI Xinjuan. Modified Jute Fiber Mat/Polylactic Acid Composites for Automobile Interior Decoration[D]. Shanghai: Donghua University, 2021.
[17] 赵勇.剪切增稠、改性苎麻增强复合材料的制备及其抗冲击性能研究[D].杭州:浙江理工大学,2016.
ZHAO Yong. Preparation of Ramie Reinforced Composite Modified by Shear Thickening Fluid and its Impact Resistance[D]. Hangzhou: Zhejiang Sci-Tech University,
2016.
[18] 朱红兵,席凯强.SPSS17.0中的正交试验设计与数据分析[J].首都体育学院学报,2013,25(3):283-288
ZHU Hongbing, XI Kaiqiang. The orthogonal experimental design in SPSS 17.0 and data analysis[J]. Journal of Capital University of Physical Education and Sports, 2013, 25(3): 283-288.
[19] 汪荣鑫.概率论与数量统计[M].西安:西安交通大学出版社,2012:122-150.
WANG Rongxin. Probability Theory and Quantitative Statistics[M]. Xi'an: Xi'an Jiaotong University Press, 1987: 342-359.
[20] KHAN Z, YOUSIF B F, ISLAM M. Fracture behaviour of bamboo fiber reinforced epoxy composites[J]. Composites part B-engineering, 2017, 116: 186-199.
[21] 余娟娟,刘淑强,吴改红,等.玄武岩织物增强聚乳酸复合材料的制备及其拉伸断裂性能[J].纺织学报,2019,40(2):82-86.
YU Juanjuan, LIU Shuqiang, WU Gaihong, et al. Preparation and tensile fracture properties of basalt fabric reinforced polylactic acid composites[J]. Journal of Textile Research, 2019, 40(2): 82-86.
[22] 祝成炎,竺铝涛,田伟.纺织结构复合材料[M].北京:中国纺织出版社,2020:146-147.
ZHU Chengyan, ZHU Lütao, TIAN Wei. Textile Structural Composites[M]. Beijing: China Textile Press, 2020: 146-147.