Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From heterocyclic reactant containing as ring atoms oxygen,...
Patent
1987-09-11
1989-10-17
Kight, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From heterocyclic reactant containing as ring atoms oxygen,...
528409, 528412, 528417, C08G 6508, C08G 6524
Patent
active
048748382
ABSTRACT:
The present invention relates to copolyethers comprising copolymers of 7,oxa-bicyclo(2,2,1)heptane, and its alkyl-derivatives, with one or more cycloaliphatic ethers, comprising from 2 to 4 carbon atoms in their ring. These copolyethers show an anisotropic behavior in the molten state, and therefore have liquid-crystal properties.
REFERENCES:
patent: 3417033 (1968-12-01), Weissermel et al.
Fiore Leonardo
Maritano Mauro
Motroni Giuseppe
Kight John
Krass Frederick
Montedison S.p.A.
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