Influence of contents of chemical compositions on the mechanical property of sisal fibers and sisal fibers reinforced PLA composites

ABSTRACT

The influence rule of the content ratio of cellulose, hemicellulose, and lignin on the tensile strength of sisal fibers (SFs) and the interfacial strength of SFs and poly lactic acid (PLA) matrix were investigated. Study showed that the microstructure and mechanic property of SFs were changed by alkali treatment. The proper contents ratio of cellulose, hemicellulose and lignin were good for both the tensile strength of SFs and the interface bonding of SFs and PLA matrix.

摘要

研究了纤维素、半纤维素和木质素含量对剑麻纤维（SF）抗拉强度和剑麻纤维和聚乳酸纤维界面强度的影响规律。研究表明，碱处理可以改变剑麻纤维的微观结构和力学性能。纤维素、半纤维素和木质素的适宜含量对剑麻纤维的拉伸强度和剑麻纤维与PLA基体的界面结合都有较好的作用。

KEYWORDS:

• Sisal fiber
• chemical composition
• PLA
• mechanical properties
• interfacial strength

关键词:

• 剑麻纤维
• 化学成分
• 力学性能
• 界面强度

Additional information

Funding

The specialized research fund for the doctoral program of higher education, from China's ministry of finance, is for the doctoral program of higher school approved by the academic degrees committee of the state council of the basic research and applied basic research.The National Key Basic Research Program of China (973 Program), from the ministry of science and technology of China, which aims to solve the major scientific problems in the strategic needs of the country and the scientific frontier issues that will play an important role in understanding the world.