Process for producing shaped phenolic foams
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United States of America Patent
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Oct 26, 1999
Grant Date -
N/A
app pub date -
Oct 4, 1995
filing date -
Oct 4, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
This invention is a partially or semi-cured foam used to form the pipe insulation. The semi-cured foam is very flexible and can be formed around a pipe for a long period of time after production. The semi-cured phenolic foam board of this invention is a closed cell foam. The semi-cured foam is further cured in the formed shape. Upon curing the foam retains the shape of the preform. The semi-cured product is very flexible, once fully cured, the insulation becomes rigid.
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