Effect of surface fractality on the permeability of transparent gas barrier coatings
✍ Scribed by DR. Gema Garcfa-Ayuso; DR. Roberto Salvarezza; DR. Jos Ea M. Martinez-Duart; DR. Olga Sánchez; DR. Luis Vázquez
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 506 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0935-9648
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## Abstract Thin polymeric films were deposited from siloxane plasma on the surface of polyethylene. The surface composition of the films was measured by X‐ray photoelectron spectroscopy (XPS) and the permeability to O~2~ by an analytic gas permeability fractometer. No significant improvement of ba
The copolyester formed from 40 mol% p-hydroxybenzoic acid (H), 30 mol% isophthalic acid (I), and 30 mol% hydroquinone (Q), designated as HIQ-40, forms isotropic, amorphous films when appropriately cast from a solvent. Thermal annealing leads to a mesogenic texture and some level of crystallinity. It