PittsburghV1, Main, Exploration, bibRecord, 005C65

Synthesis and reactivity ratios of regioisomeric vinyl‐1,2,3‐triazoles with styrene

Identifieur interne : 005C65 ( Main/Exploration ); précédent : 005C64; suivant : 005C66

Synthesis and reactivity ratios of regioisomeric vinyl‐1,2,3‐triazoles with styrene

Auteurs : Michael Lartey ; Martijn Gillissen [Pays-Bas] ; Brian J. Adzima ; Kenichi Takizawa [Japon] ; David R. Luebke ; Hunaid B. Nulwala [États-Unis]

Source :

Journal of Polymer Science Part A: Polymer Chemistry [ 0887-624X ] ; 2013-08-15.

RBID : ISTEX:C457BC76E9E381FF7FA5D43BE092CF3B47A283EA

Descripteurs français

Pascal (Inist)
- 1,2,3-Triazole(1-alkyl-4-vinyl) copolymère, 1,2,3-Triazole(1-benzyl-5-vinyl) copolymère, 1,2,3-Triazole(1-octyl-5-vinyl) copolymère, Copolymérisation radicalaire, Copolymérisation solution, Effet substituant, Etude comparative, Etude expérimentale, Isomère position, Rapport réactivité, Styrène copolymère, Triazole dérivé copolymère, Vinylique dérivé copolymère.
Wicri :
- topic : Polymère.

English descriptors

Abstract

The free radical reactivity ratios between styrene and different vinyl‐1,2,3‐triazole regioisomeric monomers in 1,4‐dioxane at 65 °C have been established using nonlinear least square method. The results obtained for the reactivity ratio between regioisomers show exceptionally different polymerization behavior, highlighting the effects of the electronic and steric factors of these regioisomeric monomers. The experimental results highlight the effects of the electronic and sterics on the copolymerization behavior. In case of 1,4‐vinyl‐triazoles, it was found that without the steric effects, the reactivity is very similar to that of styrene and forms random copolymers. However, it was found that 1,5‐vinyl‐triazoles are more reactive than 1,4‐vinyl triazoles. In the case of styrene‐co‐1,4‐vinyl‐1,2,3‐triazoles, the reactivity ratios were calculated to be rstyrene: r1‐octyl‐4‐vinyl‐triazole = 1.97:0.54, rstyrene : r1‐benzyl‐4‐vinyl‐triazole = 1.62:0.50, and rstyrene: r1‐methyl‐4‐vinyl‐triazole = 0.90:0.87. On the other hand, reactivity ratios for styrene‐co‐1,5‐vinyl‐1,2,3‐triazoles were found to be rstyrene: r1‐octyl‐5‐vinyl‐triazole = 0.13:0.66 and rstyrene: r1‐benzyl‐5‐vinyl‐triazole = 0.34:0.49. © 2013 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2013, 51, 3359–3364

Url:

https://api.istex.fr/document/C457BC76E9E381FF7FA5D43BE092CF3B47A283EA/fulltext/pdf

DOI: 10.1002/pola.26723

Affiliations:

Le document en format XML

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<term>Reactivity ratio</term>
<term>Reactivity ratio values</term>
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<front><div type="abstract">The free radical reactivity ratios between styrene and different vinyl‐1,2,3‐triazole regioisomeric monomers in 1,4‐dioxane at 65 °C have been established using nonlinear least square method. The results obtained for the reactivity ratio between regioisomers show exceptionally different polymerization behavior, highlighting the effects of the electronic and steric factors of these regioisomeric monomers. The experimental results highlight the effects of the electronic and sterics on the copolymerization behavior. In case of 1,4‐vinyl‐triazoles, it was found that without the steric effects, the reactivity is very similar to that of styrene and forms random copolymers. However, it was found that 1,5‐vinyl‐triazoles are more reactive than 1,4‐vinyl triazoles. In the case of styrene‐co‐1,4‐vinyl‐1,2,3‐triazoles, the reactivity ratios were calculated to be rstyrene: r1‐octyl‐4‐vinyl‐triazole = 1.97:0.54, rstyrene : r1‐benzyl‐4‐vinyl‐triazole = 1.62:0.50, and rstyrene: r1‐methyl‐4‐vinyl‐triazole = 0.90:0.87. On the other hand, reactivity ratios for styrene‐co‐1,5‐vinyl‐1,2,3‐triazoles were found to be rstyrene: r1‐octyl‐5‐vinyl‐triazole = 0.13:0.66 and rstyrene: r1‐benzyl‐5‐vinyl‐triazole = 0.34:0.49. © 2013 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2013, 51, 3359–3364</div>
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Synthesis and reactivity ratios of regioisomeric vinyl‐1,2,3‐triazoles with styrene

Synthesis and reactivity ratios of regioisomeric vinyl‐1,2,3‐triazoles with styrene

Source :

Descripteurs français

English descriptors

Abstract

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