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Property enhancement and DFT study of wood polymer composites using rosin derivatives as co-monomer

Abstract

We report herein the preparation of wood polymer composites with modified soybean oil as polymer matrices and softwood as the reinforcement agent. It concentrates on the possibility to replace styrene with rosin-based derivative as the rigid monomer, in order to improve the performance of the final composite. For comparison, styrene was also used to co-polymerize with the modified soybean oil. The chemical structures of the synthesized rosin derivatives were confirmed by Nuclear Magnetic Resonance (NMR) and Fourier Transfer Infrared (FTIR) spectroscopy. The mechanical and thermal properties showed significant improvement after co-polymerization with rosin derivatives. The probable interaction among the polymer matrix, rosin derivative and wood flour were established by FTIR analysis, also supported by Density Functional Theory (DFT) calculations. The surface morphology, water uptake capacity, volumetric swelling and flame retarding properties of the composites were investigated. The results demonstrate that rosin acid derivatives showed great potential as co-monomer to replace petroleum-based rigid compounds for the preparation of soybean oil based wood polymer composites.

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Publication details

The article was received on 06 Oct 2017, accepted on 30 Dec 2017 and first published on 02 Jan 2018


Article type: Paper
DOI: 10.1039/C7NJ03825A
Citation: New J. Chem., 2018, Accepted Manuscript
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    Property enhancement and DFT study of wood polymer composites using rosin derivatives as co-monomer

    M. Mandal, P. Borgohain, P. Begum, R. C. Deka and T. K. Maji, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C7NJ03825A

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