Patent ID: 6662854
Filing Date: 2003-12-16
Classification: B22C

Abstract:
A foundry binder system, comprising:(a) 20 to 70 parts by weight of an aliphatic epoxy resin having an epoxide equivalent weight of about 100 to about 300 selected from the group consisting of epoxy resins represented by the following structural formulae: â€ƒand mixtures thereof, where m is a whole number from 1 to 4, n&gE;1, and â€œRâ€  is a predominately aliphatic substituent, (b) 10 to 50 parts by weight of a monomeric or polymeric acrylate monomer; and (c) an effective amount of a peroxide, where (a), (b), and (c) are separate components or mixed with another of said components, provided (b) is not mixed with (c), and where said parts by weight are based upon 100 parts of binder.