Method for producing foamed-in-mold product of aromatic polyester based resin
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United States of America Patent
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Mar 4, 2003
Grant Date -
N/A
app pub date -
Jun 7, 2001
filing date -
Dec 11, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a process for producing a molded foam article of a crystalline aromatic polyester resin. The process is characterized by heating the surface temperature of a mold for cavity-molding to the temperature within a range of from (td+35) to (Tg+57).degree.C. (Tg is a glass transition temperature of the crystalline aromatic polyester resin prepuffs), thereby to mold prepuffs, and cooling the surface of the mold to a temperature not lowered than Tg for at least 20 seconds.
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