Composition and molecular-weight dependence of the glass transition in polystyrene-poly(2,6-dimethylphenylene ether) blends
β Scribed by Marco Aurelio de Araujo; Reimund Stadler; Hans-Joachim Cantow
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 786 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0032-3861
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30 g of the ionene poly[(dimethylimino)decamethylene bromide] were fractionated by a continuous counter-current extraction method (CPF) using ethylene glycol monoethyl ether as the solvent and diisopropyl ether as the non-solvent component. The efficiency of the separation was checked by viscometry
Molecular relaxation behavior in terms of the a, b, and g transitions of miscible PS/PPO blends has been studied by means of DMTA and preliminary work has been carried out using DSC. From DSC and DMTA (by tan d), the observed a relaxation ( T a or T g ) of PS, PPO, and the blends, which are intermed