Production and properties of polyacenaphthylene—VI. Influence of polymerization conditions on chain structure

Schmelzer, Jürgen; Springer, Jürgen

doi:10.1016/0014-3057(87)90082-6

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Synthesis of substituted polymethylenes from acenaphthylene by radical polymerization and copolymerization

Otsu¹,

Nakamura²

1992

J of Applied Polymer Sci

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SYNOPSISRadical polymerization of acenaphthylene (Ace) as a 1,Z-disubstituted ethylene was investigated. It was found that the polymerization rate (R,) was expressed as follows: R,.68, and that the overall activation energy was 113 kJ/mol for polymerization with 2,Z'-azobisisobutyronitrile ( AIBN ) in benzene at 50-70°C. Poly (Ace) obtained was characterized by NMR spectroscopy and GPC. Some substituted copolymethylenes were also prepared by radical copolymerization of Ace with other 1,2-disubstituted ethylenes, that is, maleic anhydride, diisopropyl fumarate, and N-cyclohexylmaleimide. The monomer reactivity ratios were determined from comonomer-copolymer composition curves.

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