Thermal and photochemical stability of polystyrene and its blends with polyvinyl chloride
✍ Scribed by A. Kamińska; S. Sanyal; H. Kaczmarek
- Book ID
- 105397300
- Publisher
- Springer Netherlands
- Year
- 1989
- Tongue
- English
- Weight
- 325 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0022-5215
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## Abstract Blends of the conducting polymer, polypyrrole (PPy), and in the insulating host polymers, polyvinyl acetate (PVAc), polystyrene (PS), and polyvinyl chloride (PVC) resin, have been prepared chemically. Threshold conductivities occur at about 5% for PPy in blends with host polymers. The c
Four crystal types (a, b, g, d) and some mesophases/sub-modi®cations have been identi®ed and discussed in syndiotactic polystyrene (sPS). The a-and b-forms are the main crystal packing forms in thermally-processed sPS, while the g-and d-crystals are identi®ed only in solvent-treated sPS. In addition