Polycarbonate modified epoxy resins

Details Polycarbonate modified epoxy resins Polycarbonate modified epoxy resins

1987-04-14

1988-11-01

Pertilla, Theodore E.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525523, C08F28302, C08L 6300

Patent

active

047821248

ABSTRACT:
Modified epoxy resins are prepared by the reaction of one or more epoxy resins with polycarbonate resins or oligomers. One or more monoalcohols and/or monophenols can also be used in the modification reaction. The epoxy resins also can be advanced by inclusion of a polyphenol during the reaction. The modified epoxy resins have a chain branching and/or crosslinking due to carbonate bonding of polycarbonate chain scission products to the epoxy resin. The epoxy resins are useful to make powder coatings with enhanced adhesion to metal and resistance to cathodic disbondment.

REFERENCES:
patent: 3098056 (1963-07-01), Schnell et al.

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