Перегляд за автором "Zub, Yu.L."

Результати 1-7 з 7

Design of functionalized polysiloxanes: synthesis and study on sulfur-containing xerogels with mono- and bifunctional surface layer

Zub, Yu.L.; Melnyk, I.V.; Chuiko, A.A.; Cauzzi, D.; Predieri, G. (Поверхность, 2002)

Urea- and thiourea-containing trialkoxysilanes were prepared with a high yield and purity. By sol-gel processing of these precursors the new functionalized xerogels were synthesized and characterized by FTIR, elemental ...
Influence of nanosilica surface on thione-thiol tautomerism of grafted thiourea groups

Smirnova, O.V.; Grebenyuk, A.G.; Zub, Yu.L. (Поверхность, 2015)

The thione-thiol tautomerism has been investigated of thiourea groups grafted to silica surface in the presence of water molecules. The configuration of the transition state has been calculated by quantum chemical modeling ...
Mesoporous SBA-15 silica modified with calix[4]arene and β-cyclodextrin

Kuchma, O.V.; Zub, Yu.L.; Dabrowski, A.; Solcova, O. (Functional Materials, 2007)

Mesoporous SBA-15 type silica with covalently fixed β-cyclodextrin (0.56 mmol/g) and calix[4]arene (0.40 mmol/g) functional groups and with specific surface areas of 384 to 723 m²/g have been obtained.
Novel polyorganosiloxane xerogels with bifunctional ≡Si(CH₂)₃H/≡Si(CH₂)₃NH₂ surface layer

Melnyk (Seredyuk), I.V.; Zub, Yu.L.; Chuiko, A.A.; Van Der Voort, P. (Поверхность, 2002)

Novel polyorganosiloxanes gels with bifunctional (≡Si(CH₂)₃H/≡Si(CH₂)₃NH₂) surface layer have been prepared by a sol-gel technique using silane-ternary systems. The surface properties of the obtained gels are highly ...
Single-step template synthesis of mesoporous silicas containing thiourea functional groups

Zub, Yu.L.; Gona, O.I.; Chuiko, A.A.; Yaroshenko, N.A.; Dabrowski, A. (Functional Materials, 2006)

Mesopo rous adsorbents co ntaining mono-(-(CH₂)₃NHC(=S)NHC₂H₅) or bi-(-(CH₂)₃NHC(=S)NHC₂H₅ / amino) functional surface layer have been synthesized in a single-step process using bi- or tricomponent (with respect to ...
Synthesis of Silicas with Carboxyl Functionality Using Template Method

Dudarko, О.A.; Bakulina, D.S.; Zub, Yu.L. (Хімія, фізика та технологія поверхні, 2010)

A one-step method of synthesis of new materials with acidic carboxylic groups, based on the template method, has been developed. It was found that the postsynthetic treatment of silicas in boiling HCl leads to changes in ...
The sol-gel method for preparation of polysiloxane xerogels containing carboxylic functionality

Dudarko, О.A.; Zub, Yu.L.; Jaroniec, M.; White, M.G.; Qihua Yang (Поверхность, 2009)

A procedure has been developed for synthesis of new polysiloxane xerogels with propionic and butyric acid-type groups. The procedure is based on the sol-gel method and involves the conversion of 2-cyanoethyltriethoxysilane ...

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Перегляд за автором "Zub, Yu.L."

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