Polyurethanes based on 1;4-3:6 dianhydrohexitols

Details Polyurethanes based on 1;4-3:6 dianhydrohexitols Polyurethanes based on 1;4-3:6 dianhydrohexitols

1983-06-08

1984-04-17

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521176, 528 73, C08G 1814

Patent

active

044435630

ABSTRACT:
Polyurethane-type products are prepared by reacting a rigid diol such as a 1:4-3:6 dianhydrohexitol, such as isosorbide, with a polyisocyanate and, optionally, a polyahl. The high molecular weight polymers are easily prepared from renewable resources and exhibit good physical properties. The resulting polymer is suitably employed in the production of films, coatings, molded articles and foams.

REFERENCES:
patent: 3626023 (1971-12-01), Brizgys
Montgomery et al., J. Am. Chem. Soc., 1946, pp. 390-393.

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