The effect of alkaline and silane treatments on mechanical properties and breakage of sisal fibers and poly(lactic acid)/sisal fiber composites

被引：160
|
作者：
Orue, A. [1 ]
Jauregi, A. [1 ]
Unsuain, U. [1 ]
Labidi, J. [1 ]
Eceiza, A. [1 ]
Arbelaiz, A. [1 ]
机构：
[1] Univ Basque Country UPV EHU, Polytech Coll San Sebastian, Chem & Environm Engn Dept, Mat Technol Grp, Pza Europa 1, Donostia San Sebastian 20018, Spain
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2016年 / 84卷
关键词：
Polymer-matrix composites (PMCs); Biocomposite; Mechanical properties; Surface treatments; INTERFACIAL SHEAR-STRENGTH; SURFACE MODIFICATIONS; THERMAL-PROPERTIES; CELLULOSE FIBERS; COUPLING AGENTS; NATURAL FIBERS; TENSILE; BEHAVIOR; DENSITY; KENAF;
D O I：
10.1016/j.compositesa.2016.01.021
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The main goals of this work were to study the effect of different chemical treatments on sisal fiber bundles tensile properties as well as on tensile properties of composites based on poly(lactic acid) (PLA) matrix and sisal fibers. For this purpose, sisal fibers were treated with different chemical treatments. After treating sisal fibers the tensile strength values decreased respect to untreated fiber ones, especially when the combination of NaOH + silane treatment was used. Taking into account fiber tensile properties and fiber/PLA adhesion values, composites based on silane treated fibers would show the highest tensile strength value. However, composites based on alkali treated and NaOH + silane treated fibers showed the highest tensile strength values. Finally, experimental tensile strength values of composites were compared with those values obtained using micromechanical models. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：186 / 195
页数：10
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