Synthesis and Characterization of Bio-based Epoxy Blends from Renewable Resource Based Epoxidized Soybean Oil as Reactive Diluent

Sushanta K Sahoo; Smita Mohanty; Sanjay K Nayak

doi:10.1007/s10118-015-1568-4

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Synthesis and Characterization of Bio-based Epoxy Blends from Renewable Resource Based Epoxidized Soybean Oil as Reactive Diluent

PAPER | Updated：2021-06-21

- Synthesis and Characterization of Bio-based Epoxy Blends from Renewable Resource Based Epoxidized Soybean Oil as Reactive Diluent
- Chinese Journal of Polymer Science Vol. 33, Issue 1, Pages: 137-152(2015)
- Affiliations：
  
  Laboratory for Advanced Research in Polymeric Materials (LARPM), Central Institute of Plastics Engineering & Technology (CIPET), B/25, CNI complex, Patia, Bhubaneswar 751024, Odisha, India
- Author bio：
  
  **Smita Mohanty, E-mail: papers.journal@gmail.com
- Funds：
- DOI：10.1007/s10118-015-1568-4
  CLC：
- Received：13 May 2014，
  
  Revised：2014-07-30，
  
  Accepted：15 August 2014，
  
  Published：2015-01
- Accepted：
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Sushanta K Sahoo, Smita Mohanty, Sanjay K Nayak. Synthesis and Characterization of Bio-based Epoxy Blends from Renewable Resource Based Epoxidized Soybean Oil as Reactive Diluent[J]. Chinese Journal of Polymer Science, 2015, 33(1): 137-152.
DOI：

Sushanta K Sahoo, Smita Mohanty, Sanjay K Nayak. Synthesis and Characterization of Bio-based Epoxy Blends from Renewable Resource Based Epoxidized Soybean Oil as Reactive Diluent[J]. Chinese Journal of Polymer Science, 2015, 33(1): 137-152. DOI： 10.1007/s10118-015-1568-4.

摘要

Abstract

A novel bioresin

epoxidized soybean oil was synthesized by

in situ

method and was characterized employing FTIR and NMR. The bioresin was blended with epoxy (DGEBA) at different ratios as reactive diluents for improved processibility and toughened nature. The composition with 20 wt% bioresin exhibited improved impact strength to the tune of 60% as compared to virgin epoxy. Fracture toughness parameters critical stress intensity factor (

) and critical strain energy release rate (

) were evaluated using single edge notch bending test and demonstrated superior enhancement in toughness. Dynamic mechanical

thermal

thermo mechanical and fracture morphological analyses have been studied for bio-based epoxy blends. Curing kinetics has been evaluated through DSC analysis to investigate the effect of bioresin on cross-linking reaction of neat epoxy with triethylenetetramine as curing agent.

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