was synthesized. Thestructure of the intermediates and the monomer were determined by IR
1
H NMR
13
C NMR andelemental analysis. This new monomer is different from other cyclic monomers in this series
it isa solid (mp 108--109℃)and not very reactive
but still can undergo free radical ring-openingpolymerization. The free radical polymerization was carried out at 130℃. The structure of theresulting polymer was discussed and charaterized by IR
1
H NMR
13
C NMR and elementalanalysis. The molecular weight of the polymer was estimated by viscosity determination.
Abstract
A new cyclic monomer
2-oxo-3-methylene-5
6-diphenyl-1
4-dioxan
was synthesized. Thestructure of the intermediates and the monomer were determined by IR
1
H NMR
13
C NMR andelemental analysis. This new monomer is different from other cyclic monomers in this series
it isa solid (mp 108--109℃)and not very reactive
but still can undergo free radical ring-openingpolymerization. The free radical polymerization was carried out at 130℃. The structure of theresulting polymer was discussed and charaterized by IR
1
H NMR
13
C NMR and elementalanalysis. The molecular weight of the polymer was estimated by viscosity determination.
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Keywords
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