Hide/Show Apps

Dipole moments of some styrene copolymers

1988-7
Küçükyavuz, Zühal
Baysal, Bahattin
Dipolemomentsofpoly(styrene-co-p-chlorostyrene),poly(styrene-co-p-methoxystyrene),poly(styrene-co-4-vinylpyridine),andpoly(styrene-co-N-vinylcarbazole)copolymersweredeterminedintoluenesolutionsatdifferenttemperatures.Thesamplesweresynthesizedbyusingfree-radicalinitiators.Theeffectsofthenatureofthepolargroup,composition,andtemperatureonthedipolemomentratiowereinvestigated.Themean-squaredipolemomentperstructuralunitshowsapositivedeviationfromlinearity,inagreementwithcalculationsbyMarkbasedonrotationalisomericstatetheory.Theresultsarecomparedwithotherexperimentalandtheoreticalstudies.