Mixtures of methacrylic polymers in bidimensional state
β Scribed by Gabriella Gabrielli; Marta Puggelli; Enzo Ferroni
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- English
- Weight
- 574 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0021-9797
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π SIMILAR VOLUMES
The degradation behavior of mixtures of polystyrene and poly(methy1 methacrylate) in the form of thin films cast from a solution containing both polymers has been compared with that of the individual polymers and of copolymers of the same monomer pair by means of thermal volatilization analysis (TVA
The isochrones showing the temperature dependence of the loss relaxation modulus of poly(neopentyl glycol methacrylate) present an ostensible subglass absorption called β€ relaxation that roughly has the same intensity as the glass-rubber relaxation, or β£ process. The dielectric relaxation spectrum o
Intrinsic viscosity measurements were carried out on polystyrene and polyvinylpyridine solutions in various solvents and solvent mixtures. The Stockmayer-Fixman extrapolation was applied to the date: it yields the unperturbed dimensions K s of the chain. A unique value of K e was found for a given p