Study of continuous fluidic preparation of mesoporous silica microparticles

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F17%3A43914064" target="_blank" >RIV/60461373:22340/17:43914064 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Study of continuous fluidic preparation of mesoporous silica microparticles

Popis výsledku v původním jazyce

The classic emulsion method for the preparation of hollow porous silica microspheres from tetraethyl orthosilciate and octylamine by Kosuge, et.al. produces particles of a wide size distribution ranging from 1 to 100 micrometres or more, depending on the stirring conditions. In this work, we study the possibility of reproducing this synthesis using a continuous flow in a microfluidic system in order to reach narrower size distributions and controlled particle size by adjusting the flow and mixing conditions. By changing the thermodynamic and hydrodynamic properties in the system, it is possible to prepare hollow particles ranging from 50 nm up to tens of micrometres. Particles with a novel multi-layered morphology as well as a typical hollow core porous shell morphology have been prepared, depending on the setup of the microfluidic system. The overall throughput achieved was from 0.5 to 1 ml/min and the particle yield was from 30 to 60 percent. All of the prepared types of particles have been characterized using electron microscopy, static light scattering and nitrogen sorption.

Název v anglickém jazyce

Study of continuous fluidic preparation of mesoporous silica microparticles

Popis výsledku anglicky

The classic emulsion method for the preparation of hollow porous silica microspheres from tetraethyl orthosilciate and octylamine by Kosuge, et.al. produces particles of a wide size distribution ranging from 1 to 100 micrometres or more, depending on the stirring conditions. In this work, we study the possibility of reproducing this synthesis using a continuous flow in a microfluidic system in order to reach narrower size distributions and controlled particle size by adjusting the flow and mixing conditions. By changing the thermodynamic and hydrodynamic properties in the system, it is possible to prepare hollow particles ranging from 50 nm up to tens of micrometres. Particles with a novel multi-layered morphology as well as a typical hollow core porous shell morphology have been prepared, depending on the setup of the microfluidic system. The overall throughput achieved was from 0.5 to 1 ml/min and the particle yield was from 30 to 60 percent. All of the prepared types of particles have been characterized using electron microscopy, static light scattering and nitrogen sorption.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20401 - Chemical engineering (plants, products)

Projekt

<a href="/cs/project/GA15-06479S" target="_blank" >GA15-06479S: Příprava nových polymerních membrán s kontrolovaně zabudovanými aditivy pro efektivní separaci CO2 ze směsí plynů a jejich charakterizace</a><br>

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2017

Kód důvěrnosti údajů

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

Název statě ve sborníku

PROCEEDINGS 44th International Conference of the Slovak Society of Chemical Engineering

ISBN

978-80-89597-58-1

ISSN

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e-ISSN

neuvedeno

Počet stran výsledku

9

Strana od-do

878-886

Název nakladatele

Slovak Society of Chemical Engineering

Místo vydání

Bratislava

Místo konání akce

Demänovská dolina

Datum konání akce

22. 5. 2017

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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