Hydrocarbon ladder aromatics from a Diels‐Alder reaction
- 1 August 1970
- journal article
- research article
- Published by Wiley in Journal of Polymer Science Part A-1: Polymer Chemistry
- Vol. 8 (8) , 2245-2254
- https://doi.org/10.1002/pol.1970.150080830
Abstract
The Diels‐Alder homopolycycloaddition of 2,5‐diphenyl‐3,4‐(5,6‐acenaphthylenylene)‐cyclopentadienone (VIII) affords a low molecular weight soluble ladder polymer having reduced specific viscosities between 0.17 and 0.25 dl/g in benzene and an insoluble fraction of higher molecular weight. The ladder polymers exhibited a major TGA break at 450°C in an air atmosphere and lost approximately 30% of their weight at 700°C in a nitrogen atmosphere.Keywords
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