Preparation of silicon oxynitrocarbide (SiONC) and of its ceramic-fibre-composites via hydrosilylation/radical polymerization/pyrolysis

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F15%3A00444049" target="_blank" >RIV/61389013:_____/15:00444049 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68081723:_____/15:00444049 RIV/67985891:_____/15:00444049

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.jnoncrysol.2015.05.019" target="_blank" >http://dx.doi.org/10.1016/j.jnoncrysol.2015.05.019</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jnoncrysol.2015.05.019" target="_blank" >10.1016/j.jnoncrysol.2015.05.019</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Preparation of silicon oxynitrocarbide (SiONC) and of its ceramic-fibre-composites via hydrosilylation/radical polymerization/pyrolysis

Popis výsledku v původním jazyce

A three-step preparation procedure of the silicon oxynitrocarbide (SiONC) glass was developed, for the purpose of the production of SiONC composites with inorganic fibres. At first, a stable, storable viscous liquid precursor resin (suitable for fibre impregnation) was synthesized via hydrosilylation. The liquid resin was subsequently cured via radical polymerization in the second step, and finally, the solid precursor was pyrolysed to SiONC. Two SiONC glasses, with higher and with lower oxygen content,were prepared and characterized. Weight losses during processing, the compactness (electron microscopy) of the prepared glasses, their elemental composition (energy-dispersive X-ray spectroscopy) and chemical microstructure (nuclear magnetic resonance),as well as their mechanical properties (indentation moduli and compression strength) were investigated. Finally, the three-step SiONC synthesis was successfully employed to prepare a SiONC/Nextel 720 fibre composite, which displayed very

Název v anglickém jazyce

Preparation of silicon oxynitrocarbide (SiONC) and of its ceramic-fibre-composites via hydrosilylation/radical polymerization/pyrolysis

Popis výsledku anglicky

A three-step preparation procedure of the silicon oxynitrocarbide (SiONC) glass was developed, for the purpose of the production of SiONC composites with inorganic fibres. At first, a stable, storable viscous liquid precursor resin (suitable for fibre impregnation) was synthesized via hydrosilylation. The liquid resin was subsequently cured via radical polymerization in the second step, and finally, the solid precursor was pyrolysed to SiONC. Two SiONC glasses, with higher and with lower oxygen content,were prepared and characterized. Weight losses during processing, the compactness (electron microscopy) of the prepared glasses, their elemental composition (energy-dispersive X-ray spectroscopy) and chemical microstructure (nuclear magnetic resonance),as well as their mechanical properties (indentation moduli and compression strength) were investigated. Finally, the three-step SiONC synthesis was successfully employed to prepare a SiONC/Nextel 720 fibre composite, which displayed very

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CD - Makromolekulární chemie

OECD FORD obor

—

Projekt

<a href="/cs/project/GAP107%2F12%2F2445" target="_blank" >GAP107/12/2445: SiOC keramická pěna z pyrolyzovaného polymerního prekurzoru jako jádro tepelně odolných sendvičových struktur</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Non-Crystalline Solids

ISSN

0022-3093

e-ISSN

—

Svazek periodika

423-424

Číslo periodika v rámci svazku

1 September

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

9

Strana od-do

9-17

Kód UT WoS článku

000357347000002

EID výsledku v databázi Scopus

2-s2.0-84929171054