Cover Image, Volume 58, Issue 17 | Zendy

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Cover Image, Volume 58, Issue 17

Publication year - 2020

Publication title -

journal of polymer science

Language(s) - English

Resource type - Reports

eISSN - 2642-4169

pISSN - 2642-4150

DOI - 10.1002/pol.20200570

Subject(s) - cover (algebra) , siloxane , fluorene , polymerization , polymer , conjugated system , volume (thermodynamics) , porosity , chemistry , polymer chemistry , materials science , polymer science , physics , organic chemistry , engineering , thermodynamics , mechanical engineering

The Mizoroki‐Heck reaction of cyclic siloxane with vinyl groups, 1,3,5,7‐tetravinyltetramethylcyclotetrasiloxane (TVMCTS), and 2,7‐dibromo‐9,9‐dialkylfluorene, using a Pd catalyst (Pd(OAc) 2 ) in N,N ‐dimethylformamide (DMF) successfully yielded σ‐π conjugated porous polymers induced by phase separation during the network formation. The polymerization conditions affected the morphology of the porous structure with connected globules and/or isolated‐deformed holes. Naofumi Naga and colleagues on page 2301 explain that the porous polymers show emission derived from σ‐π conjugated fluorene with high quantum yields. (DOI: 10.1002/pol.20200268 )

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