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Polymers 2016, 8(4), 143; doi:10.3390/polym8040143

Analysis and Testing of Bisphenol A—Free Bio-Based Tannin Epoxy-Acrylic Adhesives

1
Department of Wood and Paper Science and and Technology, University of Tehran, 31585-43414 Karaj, Iran
2
Laboratoire d’Etude et de Recherche sur le Materiau Bois (LERMAB), University of Lorraine, Epinal 88000, France
3
Department of Physics, King Abdulaziz University, Jeddah 21589, Saudi Arabia
4
Department of Chemistry, University of Tehran, 6455-14155 Tehran, Iran
*
Author to whom correspondence should be addressed.
Academic Editor: Frank Wiesbrock
Received: 20 January 2016 / Revised: 24 March 2016 / Accepted: 11 April 2016 / Published: 15 April 2016
(This article belongs to the Special Issue Renewable Polymeric Adhesives)
View Full-Text   |   Download PDF [3760 KB, uploaded 15 April 2016]   |  

Abstract

A tannin-based epoxy acrylate resin was prepared from glycidyl ether tannin (GET) and acrylic acid. The influence of the reaction condition for producing tannin epoxy acrylate was studied by FT-MIR, 13C-NMR, MALDI-TOF spectroscopy and shear strength. The best reaction conditions for producing tannin epoxy acrylate resin without bisphenol A was by reaction between GET and acrylic acid in the presence of a catalyst and hydroquinone at 95 °C for 12 h. FT-MIR, 13C-NMR and MALDI-TOF analysis have confirmed that the resin has been prepared under these conditions. The joints bonded with this resin were tested for block shear strength. The results obtained indicated that the best strength performance was obtained by the bioepoxy-acrylate adhesive resin prepared at 95 °C for a 12-h reaction. View Full-Text
Keywords: tannin; biosourced adhesives; epoxy resin; glycidylation; acrylic acid; adhesives; MALDI-TOF; FT-MIR; 13C-NMR tannin; biosourced adhesives; epoxy resin; glycidylation; acrylic acid; adhesives; MALDI-TOF; FT-MIR; 13C-NMR
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Jahanshahi, S.; Pizzi, A.; Abdulkhani, A.; Shakeri, A. Analysis and Testing of Bisphenol A—Free Bio-Based Tannin Epoxy-Acrylic Adhesives. Polymers 2016, 8, 143.

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