Self-organization of a liquid crystalline methacrylate-monofunctionalized crown-ether compound in low-shrinkage acrylate mixtures

Crystallization and supramolecular aggregation of 1,4,7,10,13‐pentaoxacyclopentadecane‐2‐ylmethyl 3,4‐bis[4‐(dodecyl‐1‐oxy)benzyloxy]‐5‐(11‐methacryloyloxyundecyl‐1‐oxy)benzoate (1) and its complexes with sodium triflate are described in solutions of the methacrylate monomers. Formation of a gel was...

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Veröffentlicht in:Macromolecular chemistry and physics 1997-09, Vol.198 (9), p.2839-2852
Hauptverfasser: Beginn, Uwe, Zipp, Gabriela, Möller, Martin, Johansson, Gary, Percec, Virgil
Format: Artikel
Sprache:eng
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Zusammenfassung:Crystallization and supramolecular aggregation of 1,4,7,10,13‐pentaoxacyclopentadecane‐2‐ylmethyl 3,4‐bis[4‐(dodecyl‐1‐oxy)benzyloxy]‐5‐(11‐methacryloyloxyundecyl‐1‐oxy)benzoate (1) and its complexes with sodium triflate are described in solutions of the methacrylate monomers. Formation of a gel was observed covering a rather wide concentration range in the pseudo‐binary phase diagram. In the low concentration regime and at low temperatures, gel formation by elongated crystals of 1 was observed. It was demonstrated that the formation of a crystalline network and the shape of the crystals strongly depend on the cooling rate.
ISSN:1022-1352
1521-3935
DOI:10.1002/macp.1997.021980914