Krzemionka


Polyhedral Oligomeric Silsesquioxanes

Pat.234221 Method for transformation of Polyhedral Oligomeric Silsesquioxanes (POSS) type T8 into type T10 compounds
Inventors: Sławomir Szafert, Mateusz Przemysław Janeta, Łukasz John

Compounds containing silicon atoms are among the most widespread in our environment. Probably every one of us played in a sandpit as a child, but there are far fewer of us who know what sand is, chemically speaking. Naturally it is a complex mixture of various compounds, but the dominant one is silica, which is an important raw material in many processes. Silicon compounds are also used in more advanced technologies. Silicon itself forms the basis of microelectronics, but pure and properly prepared silica is used, for example, for the precise separation of chemical substances produced in the pharmaceutical industry. Thanks to them, we are able to obtain many medicinal substances in a very pure form, which is necessary for them to fulfil their function and not to exhibit side effects. There are many interesting and commercially important silicon compounds of which much attention has recently been given to those that have a precisely defined cage structure, as shown in the figure below.

Structures of caged silicon compounds (R = hydrogen atom, alkyl group, aryl group, halogen or other organic or organometallic group)

The compounds presented here are so-called Polyhedral Oligomeric Silsesquioxanes (POSS) described by the general formula (RSiO1,5)n, where the symbol R stands for a hydrogen atom or other functional group that gives the compound certain properties. Such properties can be designed quite precisely and the resulting compound can then be used, for example, in chemical or even medical analysis.

At the Faculty of Chemistry in the group of Organometallic Chemistry and Functional Materials scientists are engaged in the preparation of the above described compounds and investigation of the transformations they undergo under the influence of various factors. Among others, they have developed a very effective method for converting T8-type polyhedral oligomeric silsesquioxanes (POSS) into T10-type compounds using an acidic catalyst. This method has been patented in Poland and in the USA, which is one of the largest (if not the largest) producer of organosilicon compounds.

Projekt "Zintegrowany Program Rozwoju Uniwersytetu Wrocławskiego 2018-2022" współfinansowany ze środków Unii Europejskiej z Europejskiego Funduszu Społecznego

Fundusze Europejskie, Wiedza Edukacja Rozwój
Rzeczpospolita Polska
Unia Europejska, Europejski Fundusz Społeczny
NEWSLETTER
Polityka cookies i prywatności

Strona internetowa używa plików cookies (tzw. ciasteczka) w celu niezbędnym do prawidłowego działania serwisu, dostosowania strony do indywidualnych preferencji użytkownika oraz statystyk. Wyłączenie zapisywania plików cookies jest możliwe w ustawieniach każdej przeglądarki internetowej, dzięki czemu nie będą zbierane żadne informacje. Jeżeli nie wyrażasz zgody na zapisywanie informacji w plikach cookies należy opuścić stronę.

Przechodzę do polityki prywatności
Return