Study of contents ratio of cellulose, hemicellulose and lignin on the mechanical properties of sisal fibers reinforced polylactic acid (PLA) composites

2nd International Conference on Mechanical Engineering and Applied Composite Materials

机械制造;材料工程

Zhu, Z.H.^1 ; Mo, B.H.^1 ; Hao, M.Y.^2

School of Advanced Manufacturing Technology, Guangdong Mechanical and Electrical Polytechnic, Guangzhou, China^1

Key Laboratory of Polymer Processing Engineering, Ministry of Education, South China University of Technology, Guangzhou, China^2

关键词: Different mass;    Interfacial strength;    Mass ratio;    Poly lactic acid;    Sisal fibers;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/544/1/012012/pdf
DOI  :  10.1088/1757-899X/544/1/012012

来源: IOP

【 摘 要 】

Untreated sisal fibers (USFs) with the highest tensile strength and alkali-treated SFs (ASFs) with the maximum interfacial strength with polylactic acid (PLA) matrix were mixed to make hybrid SFs (HSFs) according to different mass ratios and then compounded with PLA to prepare PLA/HSF composites. It was found that PLA/HSFs had the best mechanical property when the mass ratio of USFs and ASFs was 4:6. and the content of cellulose, hemicellulose and lignin at this moment were 71.4%, 16.6% and 12.0% respectively.