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
A viscometric study of solutions of poly(methyl methacrylate) and polystyrene in N,N-dimethylformamide and its mixtures with inorganic salts
✍ Scribed by T. Spychaj; M. Bohdanecký; D. Berek
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 425 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0323-7648
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2-Hydroxyethyl methacrylate (HEMA) and styrene (S) have been copolymerized in a 3 mol ⅐ L Ϫ1 N,NЈ-dimethylformamide (DMF) solution using 2,2Јazobis (isobutyronitrile) (AIBN) as an initiator over a wide composition and conversion range. From low-conversion experiments and 1 H-NMR analysis, the monome
Previously published material on the ␣-methyl styrene/methyl methacrylate (␣-MS/MMA) copolymer system at temperatures above the ceiling temperature of ␣-MS has focused on low-conversion results. Several attempts have been made to estimate copolymer reactivity ratios from experimental data, but in mo