Free-radical-initiated polymerization of N(p-phenoxy-phenyl)maleimide and copolymerization with styrene, alpha-methylstyrene and beta-methylstyrene (CROSBI ID 80065)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Vuković, Radivoje ; Fleš, Dragutin ; Erceg, Ana
engleski
Free-radical-initiated polymerization of N(p-phenoxy-phenyl)maleimide and copolymerization with styrene, alpha-methylstyrene and beta-methylstyrene
Synthesis and free-radical-initiated homopolymerization of phenoxy-phenylmaleimide (PhOPhMI) and copolymerization with styrene (St), (alpha-methylstyrene (alpha-MeSt) and beta-methylstyrene (beta-MeSt) are described. It was found that alternating copolymers are formed under different monomer-to-monomer ratios in the feed and that the mechanism based on the participation of CT-complex best explains the formation of alternating copolymers. Equilibrium constants of CT-complexes are: K(PhOPhMI/St) = 0.20 L/mol; K(PhOPhMI/alpha-MeSt) = 0.05 L/mol ; K(PhOPhMI/beta-MeSt) = 0.02 L/mol. Homopolymer and co-polymers are film-forming materials, stable up to 350 C under TGA conditions. T's and higher transition temperatures are within the thermally stable region.v
synthesis; CT-complex; phenoxy-phenylmaleimide; copolymerization
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Podaci o izdanju
A34 (9)
1997.
1619-1628-x
objavljeno
1060-1325