The effect of oxidation on spherulite size in polyethylene films
β Scribed by H.A. Lanceley
- Publisher
- Elsevier Science
- Year
- 1965
- Tongue
- English
- Weight
- 557 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0032-3861
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π SIMILAR VOLUMES
## Abstract The mechanical behavior of isotactic polypropylene following primary crystallization is known to be dependent on the aging time (e.g., at room temperature). This aging time effect is believed to be related to a form of additional crystallization (sometimes called secondary crystallizati
## Abstract Melt history, pressure, and crystallization temperature are three variables that may be used to vary spherulite size in polymer systems. In this study, bulk polypropylene samples were given various melt treatments and then isothermally crystallized under constant pressure. Spherulite si
A group of twelve low-molecular-weight compounds was chosen to model the most likely carbonyl products of polystyrene photo-oxidation. Comparison of the rate of formation of long-chain photo-oxidation products was made between pure PS film and PS films containing model carbonyl compounds. The larges