Catalytic degradation of polymers: Part II—Degradation of polyethylene
✍ Scribed by Pier Luigi Beltrame; Paolo Carniti; Guido Audisio; Fabio Bertini
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 466 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0141-3910
No coin nor oath required. For personal study only.
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The thermal degradation in oxygen of a number of fluorine-containing polymers haa been studied by using a weight loss technique. The relative thermal stabilities of the different polymers have been determined and, where possible, the overall activation energy and frequency factors for their breakdow
Linear polyethylene crystals have been degraded with oxygen in the presence of a catalyst composed of cobaltous and bromide ions at temperatures between 60 and 130 °. The number of carbonyl groups introduced into polyethylene increases as the oxidation temperature is raised. Infra-red spectroscopy a