Synthesis and characterization of novel well-defined stars consisting of eight polyisobutylene arms emanating from an octa(dimethylsiloxy)octasilsesquioxane core

The synthesis and characterization of novel stars, octa(polyisobutylenedimethylsiloxy)octasilsesquioxane (), consisting of eight polyisobutylene arms emanating from an octa(dimethylsiloxy)octasilsesquioxane (T8D) core are described. The synthesis involves: 1) The synthesis of allyl-terminated polyis...

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Veröffentlicht in:	Polymer bulletin (Berlin, Germany) Germany), 1997, Vol.38 (1), p.15-22
Hauptverfasser:	MAJOROS, I, MARSALKO, T. M, KENNEDY, J. P
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Emission Exact sciences and technology Inorganic and organomineral polymers Physicochemistry of polymers Polyisobutylene Preparation Star formation Synthesis
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Beschreibung
Zusammenfassung:	The synthesis and characterization of novel stars, octa(polyisobutylenedimethylsiloxy)octasilsesquioxane (), consisting of eight polyisobutylene arms emanating from an octa(dimethylsiloxy)octasilsesquioxane (T8D) core are described. The synthesis involves: 1) The synthesis of allyl-terminated polyisobutylene prearms, 2) The synthesis of octa(hydrodimethylsiloxy)octasilsesquioxane () precore and 3) Star formation by hydrosilation of with . Conditions for the precision synthesis and characterization of well-defined octa-arm stars are described.
ISSN:	0170-0839 1436-2449
DOI:	10.1007/s002890050013