Synthesis and characterization of novel well-defined stars consisting of eight polyisobutylene arms emanating from an octa(dimethylsiloxy)octasilsesquioxane core |
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| Authors: | István Majoros Timea M Marsalkó Joseph P Kennedy |
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| Affiliation: | (1) The Maurice Morton Institute of Polymer Science, The University of Akron, Akron, OH 44325-3909, USA, US |
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| Abstract: | The synthesis and characterization of novel stars, octa(polyisobutylenedimethylsiloxy)octasilesquioxane (T8
DPIB), consisting of eight polyisobutylene arms emanating from an octa(dimethylsiloxy)octasilsesquioxane (T8
D) core are described. The synthesis involves: 1) The synthesis of allyl-terminated polyisobutylene (PIB█01█) prearms, 2) The synthesis of octa(hydrodimethylsiloxy)octasilsesquioxane (T8
DH) precore and 3) Star formation by hydrosilation of PIB█01█ with T8
DH. Conditions for the precision synthesis and characterization of well-defined octa-arm stars are described.
Received: 13 September 1996/Accepted: 14 October 1996 |
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