HYDROPHILIC THERMAL RETICULATED POLYURETHANE FOAM USEABLE FOR CREATION OF A MOLTEN METAL FILTER
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United States of America Patent
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N/A
Issued Date -
Jun 12, 2014
app pub date -
Dec 6, 2013
filing date -
Dec 7, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A hydrophilic, polyurethane foam manufactured from a composition that includes 90-110 parts by weight of polyester polyol, 0.9-1.1 parts by weight of ester surfactant, 3-20 parts by weight of a hydrophilic surfactant, 1.89-2.31 parts by weight of a polyurethane catalyst, 0.126-0.154 parts by weight of an amine catalyst, 3.348-4.092 parts by weight of water, and 46.98-57.42 parts by weight of toluene diisocyanate. The polyurethane is capable of absorbing water in a time period of about 5 minutes or less. The polyurethane foam is a precursor to the formation of a molten metal filter.
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