Pyrolysis–molecular weight chromatography–vapor-phase infrared spectrophotometry: An on-line system for analysis of polymers. III. Thermal decomposition of polysulfones and polystyrene
Article first published online: 9 MAR 2003
Copyright © 1977 John Wiley & Sons, Inc.
Journal of Applied Polymer Science
Volume 21, Issue 5, pages 1159–1176, May 1977
How to Cite
Kiran, E., Gillham, J. K. and Gipstein, E. (1977), Pyrolysis–molecular weight chromatography–vapor-phase infrared spectrophotometry: An on-line system for analysis of polymers. III. Thermal decomposition of polysulfones and polystyrene. J. Appl. Polym. Sci., 21: 1159–1176. doi: 10.1002/app.1977.070210501
- Issue published online: 9 MAR 2003
- Article first published online: 9 MAR 2003
- Manuscript Revised: 12 MAR 1976
- Manuscript Received: 7 AUG 1975
The thermal decomposition of poly(butene-1 sulfone), poly(pentene-1 sulfone), poly(hexene-1 sulfone), poly(styrene sulfone), and polystyrene was investigated in helium at a heating rate of 20°C/min using an experimental system which consists of a programmable pyrolyzer, a thermal conductivity detector, a mass chromatograph, and a vapor-phase infrared spectrophotometer. Poly(butene-1 sulfone), poly(penetene-1 sulfone), and poly(hexene-1 sulfone) displayed two-step decomposition; the primary products of decomposition at both steps were the comonomers (olefin and SO2). For poly(styrene sulfone), in addition to styrene and SO2, products with molecular weights corresponding to dimers of styrene were observed. Decomposition of this polymer was compared with that of polystyrene, which formed mostly monomer.