EXPANDABLE RESOL-TYPE PHENOLIC RESIN MOLDING MATERIAL, METHOD FOR PRODUCING THE SAME, AND PHENOLIC RESIN FOAM
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United States of America Patent
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Issued Date -
Jan 19, 2012
app pub date -
Jan 12, 2010
filing date -
Jan 19, 2009
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Abandoned
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Abstract
A foamable resol type phenolic resin molding or forming material comprising a liquid resol type phenolic resin, foaming agent, a foam stabilizer, an acid curing agent and an additive, the additive being a nitrogen-containing bridged cyclic compound having an average particle diameter of 80 μm or less, and a phenolic resin foamed product formed by foaming and curing the above molding or forming material.
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