Powdery coating composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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C08L 6300, C08L 2904

Patent

active

044710909

ABSTRACT:
A powdery coating composition comprising (A) a carboxyl-modified product of a hydrolyzed polymer obtained by hydrolyzing a copolymer derived from a vinyl ester of a saturated monocarboxylic acid and a vinyl monomer polymerizable therewith and (B) a compound having not less than two epoxy groups in the molecule offers extremely tough coating films which are resistant to chemicals, water and salt spray.

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patent: 3652712 (1972-03-01), Ahmed
patent: 4193799 (1980-03-01), Crivello
patent: 4248977 (1981-02-01), Wertz

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