Material for mold and process of forming mold by using this material
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United States of America Patent
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Jan 5, 1993
Grant Date -
N/A
app pub date -
Apr 12, 1990
filing date -
Aug 23, 1988
priority date (Note) -
Expired
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Abstract
A material for a mold which comprises, as main components, a refractory aggregate and a hardenable binder comprising a polyfunctional acrylamide having at least two ethylenically unsaturated groups in the molecule, has an excellent low-temperature rapid hardenability, disintegrability, and pot life and is especially suitable as a material for a mold for casting a low-melting-point metal such as an aluminum alloy.
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