Low thermal conductivity foam
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United States of America Patent
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Mar 14, 1995
Grant Date -
N/A
app pub date -
May 12, 1994
filing date -
May 12, 1994
priority date (Note) -
Expired
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Abstract
The present invention is directed to the discovery that a specific combination of HCFC-141b, certain perfluorinated compounds and carbon black significantly improve the insulating capacity of isocyanate-based foams when compared to foams made without all three ingredients.
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