Thermal degradation of liquid polysulfide polymers: Pyrolysis–GC–MS and thermogravimetric studies
✍ Scribed by M. Rama Rao; T. S. Radhakrishnan
- Publisher
- John Wiley and Sons
- Year
- 1985
- Tongue
- English
- Weight
- 761 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0021-8995
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Thermal degradation of polydimethylsiloxane (PDMS) polymers having hydroxyl (PS) and vinyl (PS-V) terminals was studied by pyrolysis-gas chromatography (PGC) in the temperature range from 550 to 950°C. The degradation products were primarily cyclic oligomers ranging from trimer (D 3 ) to cyclomer D
Taking advantage of the characteristic features of a thermal extraction unit for quantitative analysis, it has been possible to extend its utility to hrnace-type pyrolysis of polymers. Pyrolkis is achieved by accurate temperature programming of the pyrolysis cell from ambient to very high temperatur