Cathodically electrodepositable novel coating system from castor oil

A novel polyol synthesised from castor oil by aminolysis and a partially blocked toluene–diisocyanate blocked with N,N′‐diethyl lactamide was used to prepare an urethane. This was used in different weight proportions to modify epoxy amine adduct to give binders suitable for cathodic electrodepositio...

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Bibliographic Details
Published in:Journal of applied polymer science 1992-04, Vol.44 (11), p.1873-1881
Main Authors: Rao, J. Laxmikanth, Balakrishna, R. S., Shirsalkar, M. M.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polymers with particular properties
Preparation, kinetics, thermodynamics, mechanism and catalysts
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Summary:A novel polyol synthesised from castor oil by aminolysis and a partially blocked toluene–diisocyanate blocked with N,N′‐diethyl lactamide was used to prepare an urethane. This was used in different weight proportions to modify epoxy amine adduct to give binders suitable for cathodic electrodeposition. The pigmented composition of these binders based on the iron oxide (natural) and titanium dioxide (rutile) gave coatings with improved performance.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.1992.070441101