PL415812A1 - Method for producing silicon dioxide aerogels - Google Patents

Method for producing silicon dioxide aerogels

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Publication number
PL415812A1
PL415812A1 PL415812A PL41581216A PL415812A1 PL 415812 A1 PL415812 A1 PL 415812A1 PL 415812 A PL415812 A PL 415812A PL 41581216 A PL41581216 A PL 41581216A PL 415812 A1 PL415812 A1 PL 415812A1
Authority
PL
Poland
Prior art keywords
silicon dioxide
producing silicon
gel
drying
dioxide aerogels
Prior art date
Application number
PL415812A
Other languages
Polish (pl)
Other versions
PL233508B1 (en
Inventor
Maria Zielecka
Magdalena Wenda
Katarzyna Suwała
Marek Panasiuk
Elżbieta Bujnowska
Krystyna Cyruchin
Original Assignee
Instytut Chemii Przemysłowej im. Prof. Ignacego Mościckiego
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Instytut Chemii Przemysłowej im. Prof. Ignacego Mościckiego filed Critical Instytut Chemii Przemysłowej im. Prof. Ignacego Mościckiego
Priority to PL41581216A priority Critical patent/PL233508B1/en
Publication of PL415812A1 publication Critical patent/PL415812A1/en
Publication of PL233508B1 publication Critical patent/PL233508B1/en

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Abstract

Przedmiotem zgłoszenia jest sposób wytwarzania aerożeli krzemionkowych, metodą zol - żel, przez hydrolizę tetraalkoksysilanu i kondensację produktu hydrolizy oraz hydrofobizację produktu przez sililowanie, następnie poddanie żelu procesowi starzenia i suszenie, który polega na tym, że wprowadza się do mieszaniny reakcyjnej na etapie powstawania żelu krzemionkowego, a jako czynnik sililujący stosuje się co najmniej jeden z grupy: heksametylodisilazan, heksametylodisiloksan, tri-n-butylometoksysilan, zaś suszenie żelu krzemionkowego prowadzi się pod ciśnieniem atmosferycznym.The subject of the application is a method of producing silica aerogels, by the sol-gel method, by hydrolysis of tetraalkoxysilane and condensation of the hydrolysis product, and hydrophobization of the product by silylation, followed by gel aging and drying, which consists in entering the reaction mixture at the stage of silica gel formation , and as a silylating agent at least one of the group is used: hexamethyldisilazane, hexamethyldisiloxane, tri-n-butylmethoxysilane, and drying of the silica gel is carried out at atmospheric pressure.

PL41581216A 2016-01-15 2016-01-15 Method for producing silicon dioxide aerogels PL233508B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL41581216A PL233508B1 (en) 2016-01-15 2016-01-15 Method for producing silicon dioxide aerogels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL41581216A PL233508B1 (en) 2016-01-15 2016-01-15 Method for producing silicon dioxide aerogels

Publications (2)

Publication Number Publication Date
PL415812A1 true PL415812A1 (en) 2017-07-17
PL233508B1 PL233508B1 (en) 2019-10-31

Family

ID=59298138

Family Applications (1)

Application Number Title Priority Date Filing Date
PL41581216A PL233508B1 (en) 2016-01-15 2016-01-15 Method for producing silicon dioxide aerogels

Country Status (1)

Country Link
PL (1) PL233508B1 (en)

Also Published As

Publication number Publication date
PL233508B1 (en) 2019-10-31

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