Furan no-bake foundry binders and their use
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United States of America Patent
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May 21, 2002
Grant Date -
N/A
app pub date -
Apr 27, 2000
filing date -
Apr 27, 2000
priority date (Note) -
Expired
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Abstract
This invention relates to furan no-bake foundry binders comprising (a) a reactive furan resin, (b) furfuryl alcohol, and (c) a catalyst component comprising a catalytically effective amount of a Lewis acid furan catalyst. The invention also relates to foundry mixes prepared with the binder, foundry shapes prepared with the foundry mix, and metal castings prepared with the foundry shapes.
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