Heterocyclic nylon-1 type polymers

Details Heterocyclic nylon-1 type polymers Heterocyclic nylon-1 type polymers

1979-02-01

1980-09-23

Cockeram, H. S.

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 53, 528 55, 528 57, 528 67, 528 45, C08G 1802, C08G 1818, C08G 1826, C08G 1875

Patent

active

042244315

ABSTRACT:
The instant invention is directed to novel heterocyclic nylon-1 linear polymers comprising regularly recurring structural units having the general formula: ##STR1## where R can be hydrogen or an aliphatic hydrocarbon group of from 1 to 4 carbon atoms, at least one of said R's being an aliphatic hydrocarbon group of from 1 to 4 carbon atoms, and wherein said polymers contain from 2 to 100 of said recurring structural units. The instant invention also relates to a novel process for the production of said polymers by reacting certain specified cycloaliphatic diisocyanates in the presence of specified catalysts.

REFERENCES:
patent: 2965614 (1960-12-01), Shashoua
patent: 3048566 (1962-08-01), Beaman
patent: 3163624 (1964-12-01), Black et al.
Orloff, Stereoisomerism of Cyclohexane Derivatives, Reprint from Chem. Rev. 54, No. 3, Jun. 1954.
Corfield & Crawshaw, Chem. Communications, vol. 4, pp. 85-86 (1966).
Orloff, Stereoisomerism of Cyclohexane Derivatives, Reprint from Chem. Reviews, vol. 54, No. 3, Jun. 1954.

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