The fluorescence of a series of copolymers of 2-naphthyl methacrylate (2-NM) and methyl methacrylate (MMA) with various contents of 2-NM (obtained in chloroform, carbon tetracbloride and acetonitrile) was investigated. A linear dependence between the ratio of the excimer to monomer emission intensit
Quenching of fluorescence of solutions of polystyrene and copolymers with methyl methacrylate
β Scribed by J.R. MacCallum; A.L. Rudkin
- Book ID
- 107753790
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 306 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0014-3057
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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
Dilute solutions of methyl methacrylate-methacrylic acid copolymers (with low content o f methacrylic acid) in ethylene dichloride exhibit the effect of antithixotropy which manifests itself in the time dependence on the shear stress (in rotatory viscometers) and in the upturn on the shear stress de