The thermal degradation of copolymers of methyl methacrylate with methacrylic acid
β Scribed by A. Jamieson; I.C. McNeill
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- English
- Weight
- 608 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0014-3057
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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
Copolymerizations of methyl methacrylate with the Li, Na and K salts of methacrylic acid have been studied in methanol solution at 60 Β° . Reactivity ratios have been calculated by the methods due to Mayo and Lewis, Fineman and Ross and Peckham. The rate of copolymerization decreases as the size of t
A~tract--The degradation of copolymers of vinyl 36CI-chloride and methyl methacrylate has been studied using film samples, slow heating rate and high vacuum conditions. Volatilization has been followed using thermal volatilization analysis and radioactive assay of methyl chloride and hydrogen chlori
The reactivity ratios for the copolymerization of methyl and ethyl methacrylates were calculated by the method of Kelen and Tudos. The triad sequence distributions were then determined by means of a computer program due to Harwood. The calculated distributions agree well with those found by 13C-IH-N
Unusual assignments have been observed for the 1H-NMR of alkoxy groups in syndiotactic methyl methacrylate-methacrylic acid (MMA-MAA) copolymers and methyl methacrylate-diphenylmethyl methacrylate (MMA-DPMMA) copolymers. Thereby, the alkoxy groups --OCH3 and --OCH < show a degenerate pentad assignme