POLYURETHANE FOAM FOR VEHICLE AND METHOD FOR MANUFACTURING THE SAME
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United States of America Patent
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N/A
Issued Date -
Jun 5, 2008
app pub date -
Nov 28, 2007
filing date -
Nov 30, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A polyurethane foam for vehicles is obtained by reaction, foaming, and curing of a polyurethane-foam raw material comprising polyol, polyisocyanate, a blowing agent, and a catalyst, and is used for vehicle parts. The foam raw material comprises expanded graphite and an inorganic compound hydrate. The polyol preferably comprises polymeric polyol in which a polyether polyol is graft-polymerized with a vinyl monomer, polyether polyol having a mass average molecular weight of from 400 to 1,000 in which a polyhydric alcohol is addition-polymerized with an alkylene oxide, and polyether polyol having a mass average molecular weight of from 2,000 to 4,000 in which a polyhydric alcohol is addition-polymerized with an alkylene oxide.
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