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Journal of Polymer Research

, 26:291 | Cite as

Facile one pot synthesis of strong epoxy/agar hybrid hydrogels

  • Masihullah Jabarulla KhanEmail author
  • Qipeng Guo
  • Russell Varley
ORIGINAL PAPER
  • 15 Downloads

Abstract

Epoxy biopolymer hybrid hydrogels have excellent potential for load bearing applications, despite limited studies in this area. In this paper, a facile one-pot synthesis of epoxy/agar hybrid hydrogels has been reported. Infrared spectroscopy, rheometry, thermal, mechanical properties and immersion studies have been reported. An advantage of the hydrogels synthesized here is that they can be prepared in a shorter timeframe than conventional epoxy biopolymer hydrogels. Diethylene triamine was used as the cross-linker which induces gelation within five minutes at 90 °C. The mechanical properties of epoxy hydrogels prepared using diethylene triamine are found to be comparable to that of hydrogels prepared using long chain amine terminated poloxamers. The compressive toughness of the hybrid hydrogels increases by ~380% via the addition of 3 wt% agar in comparison with epoxy hydrogels. These hybrid hydrogels are elastic and biodegradable.

Graphical Abstract

Epoxy agar hybrid hydrogel with enhanced compressive toughness was prepared using a combination of covalent and physical bonding. The hybrid hydrogels could be produced in very short time compared to conventional epoxy based hydrogels and show potential to be applied in load bearing applications

Keywords

hydrogels toughness structure - property mechanical properties epoxy 

Notes

Supplementary material

10965_2019_1912_MOESM1_ESM.mp4 (4.4 mb)
ESM 1 (MP4 4.43 mb)

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Copyright information

© The Polymer Society, Taipei 2019

Authors and Affiliations

  1. 1.Carbon Nexus at the Institute for Frontier MaterialDeakin UniversityGeelongAustralia
  2. 2.Institute for Frontier MaterialDeakin UniversityGeelongAustralia

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