Curing of Epoxy Resin with Styrene–Maleic Anhydride Copolymer: A Differential Scanning Calorimetric Investigation

Author:

Vora R A1,Trivedi H C,Patel C P2,Guthrie J T,Kazlauciunas Algy3,Trivedik M C4

Affiliation:

1. The Department of Applied Chemistry, M.S. University, Baroda - 390 002, India

2. The Department of Chemistry, S.P. University, Vallabh Vidynagar - 388 120, India

3. The Department of Colour Chemistry and Dyeing, Leeds University, Leeds, UK

4. Central Laboratory, Gujarat State Fertilizer Company Ltd, Fertilizernagar, Vadodara - 391 750, India

Abstract

Curing reactions of epoxy resin (EP-450) with stryene–maleic anhydride copolymer (St–MAn) samples are investigated by differential scanning calorimetry at a scan rate of 10 °C min−1 in an N2 atmosphere. The overall kinetic parameters of the curing reactions are estimated using Barrett as well as Freeman–Carroll methods based on a single dynamic scan. The curing reactions are found to follow overall first-order kinetics up to about 60–70% completion. Thermogravimetric analysis (TGA) of all the cured samples of epoxy resin (EP-450) with St–MAn copolymer samples has also been carried out at a heating rate of 10 °C min−1 in air.

Publisher

SAGE Publications

Subject

Materials Chemistry,Organic Chemistry,Polymers and Plastics

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