Epoxy resin composition

Details Epoxy resin composition Epoxy resin composition

1986-02-28

1988-03-29

Hoke, Veronica P.

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

Synthetic resins

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

523400, C08L 6302

Patent

active

047344687

ABSTRACT:
A solid epoxy resin having a broad molecular weight distribution is prepared by melt or solution blending a major portion of a normally-solid epoxy resin having a weight per epoxide of about 1500 to about 10,000 and a minor portion of a normally-liquid epoxy resin having a weight per epoxide of from about 180 to about 340, and solidifying the resulting blend. A solvent-free powder coating composition is prepared by combining the blend with an effective amount of a curing agent and reducing the epoxy resin/curing agent to an average particle size less than about 60 mesh. The epoxy blend permits preparation of a powder coating formulation having improved grinding properties.

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patent: 4075260 (1978-02-01), Tsen et al.
patent: 4251426 (1981-02-01), McClure et al.
patent: 4322456 (1982-03-01), Martin

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