Thereof as polyols in the formation of polyurethanes, polyuretha

Details Thereof as polyols in the formation of polyurethanes, polyuretha Thereof as polyols in the formation of polyurethanes, polyuretha

1990-09-10

1992-02-25

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 73, C08G 1830

Patent

active

050914952

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.

REFERENCES:
patent: 4426460 (1984-01-01), Pentz

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