Self-curable benzoxazine functional cathodic electrocoat resins

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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523404, 523414, 523416, 523455, 525514, 525510, 525523, 525526, 2041817, C08L 6300, C09D 358, C09D 544

Patent

active

047192534

ABSTRACT:
New aqueous dispersible cathodic electrocoat resin compositions containing both secondary amine and 1,3-benzoxazine functionality cure by oxazine self-additon and/or oxazine/amine reactions. Such compositions are prepared in a multi-stage process to give corrosion and chemical resistant coatings which exhibit good package (tank and feed) stability.

REFERENCES:
patent: 4501864 (1985-02-01), Higginbottom
patent: 4507428 (1985-03-01), Higginbottom
patent: 4518748 (1985-05-01), Haug
patent: 4557979 (1985-12-01), Higginbottom
Riess et al, "Ring Opening Polymerization of Benzoxazines-A New Route to Phenolic Resins", ACS Polymer Preprints, vol. 25, No. 2, Aug. 1984, pp. 41-42.

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