Journal
PROGRESS IN ORGANIC COATINGS
Volume 76, Issue 12, Pages 1779-1785Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2013.05.016
Keywords
Neem oil; Fatty amides; IPDI; Industrial coating
Funding
- University Grants Commission, Govt. of India, New Delhi
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Number of diethanol amides has been developed by scientist using various vegetable oils and not from neem seed oil. Most of the research work on neem seed oil has explored its applications in pharmaceutical and pesticides fields. This paper representing new area of application of neem seed oil for polymeric resin, in which we attempted to synthesize the neem seed oil based poly(urethane fatty amides) by reaction of neem oil fatty amide (AIJFA) with trimer of isophorone diisocyanate (IPDI). Spectral study of AIJFA was carried out by using FT-IR and H-1 NMR techniques. Molecular weight of AIJFA was determined by gel permeation chromatography (GPC). Fatty acid composition of neem seed oil was obtained by gas chromatographic method. The coatings applied on mild steel plates were evaluated by determining coating properties, chemical and corrosion resistances. TGA study of coatings showed higher thermal stability to AIJFA based PU coatings compared to normal urethane and alkyd coatings. (C) 2013 Elsevier B.V. All rights reserved.
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