Chemiluminescence in thermo-oxidation of polypropylene
✍ Scribed by L. Matisová-Rychlá; J. Rychlý; M. Vavreková
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- English
- Weight
- 291 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0014-3057
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✦ Synopsis
Abstraet--42hemiluminescence in thermo-oxidation of polypropylene was interpreted, noting its course with time at different temperatures and the corresponding spectra. The light emission was attributed to decomposition of ~t-ketone-hydroperoxides and to chain oxidation of polymer proceeding via secondary peroxy radicals.
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Akstract--From measurements of weight losses of samples of isotactic polypropylene (IPP) with triphenylphosphonium cyciopentadienylide (TPCP) under various conditions and from the measurements of time courses of chemiluminescence, kinetic parameters of the process were determined. At concentrations
## Abstract The effect of stereoregularity on the thermo‐oxidative degradation of poly(propylene)s, isotactic (IPP) and syndiotactic (SPP), was compared with that of high density polyethylene (HDPE) by means of chemiluminescence (CL). SPP is extremely stable to thermal oxidation and CL signals appe