Anticorrosive and insulating properties of cardanol based anhydride curing agent for epoxy coatings

Present research reveals the synthesis of anhydride curing agent for preparation of anticorrosive epoxy coatings. A novel dianhydride compound was synthesized from cardanol and used as a curing agent for commercial epoxy resin. The structure of the curing agent was confirmed by chemical and spectros...

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Bibliographic Details
Published in:Reactive & functional polymers 2018-01, Vol.122, p.148-157
Main Authors: Wazarkar, Kunal, Kathalewar, Mukesh, Sabnis, Anagha
Format: Article
Language:English
Subjects:
Anhydride
Anhydrides
Anticorrosive
CNSL
Corrosion
Corrosion prevention
Curing
Curing agents
Dianhydrides
Epoxy
Epoxy coatings
Epoxy resins
Insulation
Optical properties
Sustainable
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Summary:Present research reveals the synthesis of anhydride curing agent for preparation of anticorrosive epoxy coatings. A novel dianhydride compound was synthesized from cardanol and used as a curing agent for commercial epoxy resin. The structure of the curing agent was confirmed by chemical and spectroscopic analysis. Coatings were formulated with varying ratio of epoxy resin to anhydride on equivalent basis such as 1:0.6, 1:0.8, 1:1. The effect of varying concentration of curing agent on mechanical, chemical, optical, thermal, electrical and anticorrosive properties of coatings was investigated and compared to coatings cured with commercial methyltetrahydrophthalic anhydride (MTHPA). It was observed that, curing agent based on cardanol performed extraordinarily in all aspects as compared to the commercial curing agent. [Display omitted]
ISSN:1381-5148
1873-166X
DOI:10.1016/j.reactfunctpolym.2017.11.015