Publikace detail

Copolymerization of 2-[3-(2H-Benzotriazol-2-yl)4-Hydroxyphenyl]Ethyl Methacrylate with Styrene

Autoři: Schovanec Martin | Horálek Jiří | Podzimek Štěpán | Šňupárek Jaromír

Rok: 2007

Druh publikace: článek v odborném periodiku

Název zdroje: Collection of Czechoslovak Chemical Communications

Název nakladatele: Ústav organické chemie a biochemie AV ČR

Místo vydání: Praha

Strana od-do: 1244-1254

Tituly:

Jazyk	Název	Abstrakt	Klíčová slova
cze	Kopolymerace 2-[3-(2H-benzotriazol-2-yl)4-hydroxyphenyl]ethyl methacrylatu ss styrenem	Byly stanoveny kopolymerační parametry kopolymerace 2-[3-(2H-benzotriazol-2-yl)4-hydroxyphenyl]ethyl methacrylatu ss styrenem v homogenním prostředí	mm
eng	Copolymerization of 2-[3-(2H-Benzotriazol-2-yl)4-Hydroxyphenyl]Ethyl Methacrylate with Styrene	Radical copolymerization of 2-[3-(2H-benzotriazol-2-yl)-4-hydroxyphenyl]ethyl methacrylate ( M-1) with styrene ( M-2) at 70 degrees C in 1,4-dioxane was investigated and the reactivity ratios were determined. The copolymerization was carried out as batch copolymerization to a low conversion or as copolymerization with a continuous addition of monomers at higher instantaneous conversion. The monomer reactivity ratios of the copolymerizable UV stabilizer 2-[ 3-( 2H- benzotriazol- 2- yl)- 4- hydroxyphenyl] ethyl methacrylate with styrene were determined using the Finemann-Ross plot for both copolymeration techniques. The estimated reactivity ratios were r(1) = 0.588 and r(2) = 0.6 for the technique of continuous addition of monomers and r(1) = 0.462 and r(2) = 0.476 and for the batch experiment. The copolymerization exhibited an azeotrope at f(1) = 0.507, thus a copolymer with microstructure close to the alternating one was formed at this ratio of comonomers.	copolymerizable UV stabilizer; reactivity ratios; copolymerizations; liquid chromatography; Finemann-Ross plot; polymers; macromolecules; polystyrene

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