Polysiloxanes Grafted with Mono(alkenyl)Silsesquioxanes—Particular Concept for Their Connection

Herein, a facile and efficient synthetic route to unique hybrid materials containing polysiloxanes and mono(alkyl)silsesquioxanes as their pendant modifiers (T8@PS) was demonstrated. The idea of this work was to apply the hydrosilylation reaction as a tool for the efficient and selective attachment...

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Bibliographic Details
Published in:Materials 2020-10, Vol.13 (21), p.4784
Main Authors: Mituła, Katarzyna, Duszczak, Julia, Rzonsowska, Monika, Żak, Patrycja, Dudziec, Beata
Format: Article
Language:English
Subjects:
Hydrocarbons
Hydrosilylation
Mercury cadmium telluride detectors
Nanocomposites
NMR
Nuclear magnetic resonance
Polymerization
Polymers
Polysiloxanes
Selectivity
Solvents
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Summary:Herein, a facile and efficient synthetic route to unique hybrid materials containing polysiloxanes and mono(alkyl)silsesquioxanes as their pendant modifiers (T8@PS) was demonstrated. The idea of this work was to apply the hydrosilylation reaction as a tool for the efficient and selective attachment of mono(alkenyl)substituted silsesquioxanes (differing in the alkenyl chain length, from -vinyl to -dec-9-enyl and types of inert groups iBu, Ph at the inorganic core) onto two polysiloxanes containing various amount of Si-H units. The synthetic protocol, determined and confirmed by FT-IR in situ and NMR analyses, was optimized to ensure complete Si-H consumption along with the avoidance of side-products. A series of 20 new compounds with high yields and complete β-addition selectivity was obtained and characterized by spectroscopic methods.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma13214784