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Influence of Surface Modifications of Flax Fiber on Mechanical and Flow Properties of Thermoplastic Polyurethane Based Eco-Composites
Date
2016-01-01
Author
Tayfun, Umit
DOĞAN, Mehmet
Bayramlı, Erdal
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this study, several treatments including alkali, permanganate, peroxide and silanization were applied to flax fiber (FF) to improve its adhesion to bio-based thermoplastic polyurethane (TPU) matrix. TPU/FF composites were prepared at a constant ratio of 30 wt% by using extrusion process. Their mechanical properties, modulus of elasticity, water uptake behaviors, melt-flow properties and morphologies of composites were investigated. All treatments resulted in better mechanical properties with respect to untreated FF. Silane treated FF containing composite exhibited the highest tensile strength and lowest water absorption. Results confirmed that surface modifications improve the adhesion between FF and TPU matrix
Subject Keywords
Flax fiber
,
Green composites
,
Mechanical properties
,
Polymer composites
,
Surface modification
,
Thermoplastic polyurethane
URI
https://hdl.handle.net/11511/52327
Journal
JOURNAL OF NATURAL FIBERS
DOI
https://doi.org/10.1080/15440478.2015.1029191
Collections
Graduate School of Natural and Applied Sciences, Article