Open Access

ARTICLE

Green Composite Material Made from Typha latifolia Fibres Bonded with an Epoxidized Linseed Oil/Tall Oil-Based Polyamide Binder System

by Günter Wuzella, Arunjunai Raj Mahendran, Andreas Kandelbauer

1 Kompetenzzentrum Holz (Wood K Plus), Linz, A-4040, Austria
2 Reutlingen University, Lehr- und Forschungszentrum Process Analysis & Technology, School of Applied Chemistry, Reutlingen, D-72762, Germany

* Corresponding Author: Andreas Kandelbauer. Email:

Journal of Renewable Materials 2020, 8(5), 499-512. https://doi.org/10.32604/jrm.2020.09615

Received 16 January 2020; Accepted 20 March 2020; Issue published 29 April 2020

Abstract

Here, we report the mechanical and water sorption properties of a green composite based on Typha latifolia fibres. The composite was prepared either completely binder-less or bonded with 10% (w/w) of a bio-based resin which was a mixture of an epoxidized linseed oil and a tall-oil based polyamide. The flexural modulus of elasticity, the flexural strength and the water absorption of hot pressed Typha panels were measured and the influence of pressing time and panel density on these properties was investigated. The cure kinetics of the biobased resin was analyzed by differential scanning calorimetry (DSC) in combination with the iso-conversional kinetic analysis method of Vyazovkin to derive the curing conditions required for achieving completely cured resin. For the binderless Typha panels the best technological properties were achieved for panels with high density. By adding 10% of the binder resin the flexural strength and especially the water absorption were improved significantly.

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