Thereof as polyols in the formation of polyurethanes, polyurethanes etc.
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United States of America Patent
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Feb 25, 1992
Issued Date -
N/A
app pub date -
Sep 10, 1990
filing date -
Dec 12, 1986
priority date (Note) -
Expired
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Abstract
This invention relates to novel furan polyols, which are characterized in that they are the product of reaction of a strain selected from the group or consisting of a polyalcohol, a monoamine or polyamine, said polyalcohol or said amine possibly containing a furan cycle and mixtures thereof with a chain extension agent constituted by an organic epoxide, with the proviso that this organic epoxide is a furannic oxiran when this polyalcohol does not contain a furan cycle with the exclusion of 2,5(bis-hydroxy)furan as sole strain, when the chain extension agent does not contain any furan cycle. These furan polyols are used for the preparation of polyurethane foams having improved properties.
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