期刊
MACROMOLECULAR CHEMISTRY AND PHYSICS
卷 206, 期 1, 页码 15-24出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/macp.200400137
关键词
acyclic diene metathesis (ADMET); polycondensation; poly(phenylene vinylene) (PPV); ring-closing metathesis (RCM); solid-state polymerization (SSP)
Solid-state olefin metathesis of rigid-rod acyclic diene metathesis (ADMET) polymers and ring-closing metathesis (RCM) have been investigated. 1,4-Dipropoxy-2,5-divinylbenzene (4) was synthesized and used in a bulk ADMET polymerization to produce oligomers of dialkoxy poly(phenylene vinylene). The reaction was continued in the solid state, effectively doubling the molecular weight. Solid-state RCM was investigated with a variety of solid dienes and metathesis catalysts, and demonstrated in low conversions using amide diene 5 with catalysts 9, 13, and 14.
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