Cold-box foundry binder systems having improved shakeout
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United States of America Patent
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Dec 16, 2003
Grant Date -
Oct 9, 2003
app pub date -
Apr 5, 2002
filing date -
Apr 5, 2002
priority date (Note) -
In Force
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Abstract
This invention relates to foundry binder systems, which will cure in the presence of sulfur dioxide and a free radical initiator, comprising (a) an aliphatic epoxy resin; (b) a multifunctional acrylate; and (c) an effective amount of a free radical initiator. The foundry binder systems are used for making foundry mixes. The foundry mixes are used to make foundry shapes (such as cores and molds) which are used to make metal castings, particularly aluminum castings.
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