Epoxy-maleate-phosphate copolymers

Details Epoxy-maleate-phosphate copolymers Epoxy-maleate-phosphate copolymers

1984-05-14

1986-04-29

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523414, 523424, C08L 6310, C08L 6302, C08G 5914, C08G 5916

Patent

active

045858144

ABSTRACT:
There is disclosed solution copolymers of monoethylenically unsaturated monomers including a proportion of monoethylenically unsaturated carboxylic acid, with an oxirane-free epoxy acid ester phosphate having adducted onto the oxirane groups of a starting polyepoxide at least 10% thereof of ortho phosphoric acid as well as at least 0.5% by weight of a monoester of a saturated monohydric alcohol with a monoethylenically unsaturated dicarboxylic acid which resists homopolymerization, the remaining oxirane groups of the polyepoxide being esterified with monocarboxylic acid, etherified with monoalcohol or hydrolyzed with water. These copolymers can be neutralized with a volatile amine, especially ammonia and cured with aminoplast or phenoplast resins to provide coatings which cure to greater flexibility and better resistance to blushing on pasteurization exposure.

REFERENCES:
patent: 3524903 (1970-08-01), Hargis
patent: 3574794 (1971-04-01), Hargis
patent: 4028434 (1977-06-01), Konter
patent: 4294737 (1981-10-01), Sekmakas
patent: 4308185 (1981-12-01), Evans
patent: 4434278 (1984-02-01), Skisicm

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