Cyclobutane polymers from acrylonitrile dimer
- 1 April 1966
- journal article
- research article
- Published by Wiley in Journal of Polymer Science Part A-1: Polymer Chemistry
- Vol. 4 (4) , 829-846
- https://doi.org/10.1002/pol.1966.150040410
Abstract
A wide variety of polyesters and polyamides was prepared from 1,2‐ and 1,3‐disubstituted cyclobutane derivatives. In general, polyamides containing thetrans‐disubstituted cyclobutane ring were crystalline. Polyesters containing predominantly thetrans‐isomer tended to be crystalline but those containing mixtures ofcis‐transisomers were amorphous. Mechanical properties have been determined wherever possible. Appreciable yields of cyclic dimers were isolated during the preparation of certain polyesters. These cyclic dimers readily polymerized when treated with dibutylzinc. Examination of acrylonitrile dimer (1,2‐dicyanocyclobutane) by gas chromatography failed to reveal the presence of any 1,3‐dicyanocyclobutanes.Keywords
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