Synthesis, Characterization and Performance of Amine Modified Linseed Oil Fatty Amide Coatings

A novel attempt has been made to develop ambient cured polyamine amide (PAA) resins by the condensation polymerization reaction of oil fatty amide diol (N,N-bis 2-hydroxy ethyl linseed oil fatty amide) (HELA) and o-phenylene diamine, which was further modified by poly(styrene-co-maleic anhydride) (S...

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Bibliographic Details
Published in:Journal of the American Oil Chemists' Society 2009-06, Vol.86 (6), p.573-580
Main Authors: Alam, Manawwer, Ray, Alok R, Ashraf, S. M, Ahmad, Sharif
Format: Article
Language:English
Subjects:
Agriculture
amines
Biological and medical sciences
Biomaterials
Biotechnology
Calorimetry
Chemistry
Chemistry and Materials Science
Coatings
Corrosion
Fat industries
Fatty acids
Food industries
Food Science
Fundamental and applied biological sciences. Psychology
Industrial Chemistry/Chemical Engineering
Industrial research
Laboratory methods
Linseed oil
Linum usitatissimum
Molecular structure
Oils & fats
Original Paper
o‐phenylene diamine
physicochemical properties
poly(styrene-co-maleic anhydride
polyamine amide
Polymers
Raw materials
Resins
Studies
Styrene
vegetable oil
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Summary:A novel attempt has been made to develop ambient cured polyamine amide (PAA) resins by the condensation polymerization reaction of oil fatty amide diol (N,N-bis 2-hydroxy ethyl linseed oil fatty amide) (HELA) and o-phenylene diamine, which was further modified by poly(styrene-co-maleic anhydride) (SMA) at different phr (parts per hundred part of resin) to get a series of PAA-SMA resins. The structural elucidation of HELA, PAA and PAA-SMA were carried out by FT-IR, ¹H-NMR and ¹³C-NMR spectroscopic techniques. The physico-chemical and physico-mechanical analyses were carried out by standard laboratory methods. Thermal analyses of these resins were accomplished by thermogravimetric analyses (TGA) and differential scanning calorimetry (DSC) techniques. Coatings of PAA-SMA were prepared on mild steel strips to evaluate their physico-mechanical and chemical/corrosion resistance performance under various corrosive environments. It was found that among the PAA-SMA systems, PAA-35 showed the best physico-mechanical and corrosion resistance performance. Thermal studies reveal that the coatings can be safely used up to 305 °C.
ISSN:0003-021X
1558-9331
DOI:10.1007/s11746-009-1375-6