NDLI: Synthesis of an Open-Cage Structure POSS Containing Various Functional Groups and Their Effect on the Formation and Properties of Langmuir $Monolayers^{†}$

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Synthesis of an Open-Cage Structure POSS Containing Various Functional Groups and Their Effect on the Formation and Properties of Langmuir $Monolayers^{†}$

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Skrzypiec, Marta Prochaska, Krystyna Rojewska, Monika Dutkiewicz, Michal Karasiewicz, Joanna Dopierala, Katarzyna Maciejewski, Hieronim
Description	Author Affiliation: Dutkiewicz M ( Centre for Advanced Technologies, Adam Mickiewicz University in Poznan, Umultowska 89 C, 61-614, Poznan, Poland.); Karasiewicz J ( Poznan Science and Technology Park, Adam Mickiewicz University Foundation, Rubiez 46, 61-612, Poznan, Poland.); Rojewska M ( Faculty of Chemistry, Adam Mickiewicz University in Poznan, Umultowska 89 B, 61-614, Poznan, Poland.); Skrzypiec M ( Institute of Chemical Technology and Engineering, Poznan University of Technology, Berdychowo 4, 60-965, Poznan, Poland.); Dopierala K ( Institute of Chemical Technology and Engineering, Poznan University of Technology, Berdychowo 4, 60-965, Poznan, Poland.); Prochaska K ( Institute of Chemical Technology and Engineering, Poznan University of Technology, Berdychowo 4, 60-965, Poznan, Poland.); Maciejewski H ( Institute of Chemical Technology and Engineering, Poznan University of Technology, Berdychowo 4, 60-965, Poznan, Poland.)
Abstract	Recently, silsesquioxanes have been recognized as a new group of film-forming materials. This study has been aimed at determining the effect of the kind of functional groups present in two different open-cage structure POSS molecules on the possibility of the formation of Langmuir monolayers and their properties. To achieve this goal, two new POSS derivatives (of open-cage structures) containing polyether and fluoroalkyl functional groups have been synthesized on the basis of a hydrosilylation process. An optimization of the process was performed, which makes it possible to obtain the above-mentioned derivatives with high yields. In the next step, the Langmuir technique was applied to measurements of the surface pressure (π) − the mean molecular area (A) isotherms during the compression of monolayers formed by molecules of the two POSS derivatives considered. Subsequently, the monolayers were transferred onto quartz plates according to the Langmuir–Blodgett technique. Both derivatives are able to form insoluble Langmuir films at the air–water interface, which can be transferred onto a solid substrate and effectively change its wetting properties.
ISSN	09476539
e-ISSN	15213765
Journal	Chemistry - A European Journal
Issue Number	37
Volume Number	22
Language	English
Publisher	Wiley-VCH;ChemPubSoc Europe
Publisher Date	2016-09-05
Publisher Place	Germany
Access Restriction	Open
Subject Keyword	Chemistry
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Catalysis

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