Foundry binder of phenolic resole resin, polyisocyanate and epox

Details Foundry binder of phenolic resole resin, polyisocyanate and epox Foundry binder of phenolic resole resin, polyisocyanate and epox

1995-10-18

1998-03-31

Sellers, Robert E.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523455, 523463, B22C 122, C08K 501, C08L 6110

Patent

active

057339520

ABSTRACT:
Compositions and methods for improving the characteristics of foundry cores which includes adding to a foundry aggregate mixture polyurethane resin binder comprising epoxy resin and, preferably, paraffinic oil.

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WPAT accession No. 95-390322/50 for Japanese Patent No. 7-268051, Sunstar Giken KK, Oct. 1995.

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