Spectroscopic studies of a ring opening process between epoxy- and aminosilanes and imine formation reactions in aqueous solutions

Mikko Keränen; Arto Maaninen; Marcin Gnyba; Tiina Maaninen

doi:10.1007/s10971-018-4758-z

Spectroscopic studies of a ring opening process between epoxy- and aminosilanes and imine formation reactions in aqueous solutions

Mikko Keränen (Corresponding Author), Arto Maaninen, Marcin Gnyba, Tiina Maaninen

Research output: Contribution to journal › Article › Scientific › peer-review

Abstract

Abstract: NMR and Raman spectroscopy studies were performed for different 3-aminopropyl(trimethoxy)- and 3-glycidoxypropyl(trimethoxy)silane based sol-gel systems containing different ketones. Exceptionally stable imine products were obtained depending on a reaction system at alkaline pH conditions and in the presence of water. These imine formation reactions were carried out without further catalyst. In addition, effect of water for the epoxy ring opening process was demonstrated, as well as the effect of solvents for the reaction path was confirmed. [Figure not available: see fulltext.]

Original language	English
Pages (from-to)	725-733
Number of pages	9
Journal	Journal of Sol-Gel Science and Technology
Volume	87
Issue number	3
DOIs	https://doi.org/10.1007/s10971-018-4758-z
Publication status	Published - 1 Sep 2018
MoE publication type	Not Eligible

Keywords

Epoxy
Imine
NMR
Raman
Sol-gel
Stable imine in aqueous media

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10.1007/s10971-018-4758-z

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title = "Spectroscopic studies of a ring opening process between epoxy- and aminosilanes and imine formation reactions in aqueous solutions",

abstract = "Abstract: NMR and Raman spectroscopy studies were performed for different 3-aminopropyl(trimethoxy)- and 3-glycidoxypropyl(trimethoxy)silane based sol-gel systems containing different ketones. Exceptionally stable imine products were obtained depending on a reaction system at alkaline pH conditions and in the presence of water. These imine formation reactions were carried out without further catalyst. In addition, effect of water for the epoxy ring opening process was demonstrated, as well as the effect of solvents for the reaction path was confirmed. [Figure not available: see fulltext.]",

keywords = "Epoxy, Imine, NMR, Raman, Sol-gel, Stable imine in aqueous media",

author = "Mikko Ker{\"a}nen and Arto Maaninen and Marcin Gnyba and Tiina Maaninen",

note = "Funding Information: Research presented here were partially supported by the VTT ? Technical Research Center of Finland and by the Gda?sk University of Technology (DS project of the Faculty of ETI). This article is also based upon work from COST Action ?Raman-based applications for clinical diagnostics ? Raman4Clinics? (BM 1401), supported by COST (European Cooperation in Science and Technology). Publisher Copyright: {\textcopyright} 2018, Springer Science+Business Media, LLC, part of Springer Nature. Copyright: Copyright 2018 Elsevier B.V., All rights reserved.",

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doi = "10.1007/s10971-018-4758-z",

language = "English",

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Spectroscopic studies of a ring opening process between epoxy- and aminosilanes and imine formation reactions in aqueous solutions. / Keränen, Mikko (Corresponding Author); Maaninen, Arto; Gnyba, Marcin; Maaninen, Tiina.

In: Journal of Sol-Gel Science and Technology, Vol. 87, No. 3, 01.09.2018, p. 725-733.

Research output: Contribution to journal › Article › Scientific › peer-review

TY - JOUR

T1 - Spectroscopic studies of a ring opening process between epoxy- and aminosilanes and imine formation reactions in aqueous solutions

AU - Keränen, Mikko

AU - Maaninen, Arto

AU - Gnyba, Marcin

AU - Maaninen, Tiina

N1 - Funding Information: Research presented here were partially supported by the VTT ? Technical Research Center of Finland and by the Gda?sk University of Technology (DS project of the Faculty of ETI). This article is also based upon work from COST Action ?Raman-based applications for clinical diagnostics ? Raman4Clinics? (BM 1401), supported by COST (European Cooperation in Science and Technology). Publisher Copyright: © 2018, Springer Science+Business Media, LLC, part of Springer Nature. Copyright: Copyright 2018 Elsevier B.V., All rights reserved.

PY - 2018/9/1

Y1 - 2018/9/1

N2 - Abstract: NMR and Raman spectroscopy studies were performed for different 3-aminopropyl(trimethoxy)- and 3-glycidoxypropyl(trimethoxy)silane based sol-gel systems containing different ketones. Exceptionally stable imine products were obtained depending on a reaction system at alkaline pH conditions and in the presence of water. These imine formation reactions were carried out without further catalyst. In addition, effect of water for the epoxy ring opening process was demonstrated, as well as the effect of solvents for the reaction path was confirmed. [Figure not available: see fulltext.]

AB - Abstract: NMR and Raman spectroscopy studies were performed for different 3-aminopropyl(trimethoxy)- and 3-glycidoxypropyl(trimethoxy)silane based sol-gel systems containing different ketones. Exceptionally stable imine products were obtained depending on a reaction system at alkaline pH conditions and in the presence of water. These imine formation reactions were carried out without further catalyst. In addition, effect of water for the epoxy ring opening process was demonstrated, as well as the effect of solvents for the reaction path was confirmed. [Figure not available: see fulltext.]

KW - Epoxy

KW - Imine

KW - NMR

KW - Raman

KW - Sol-gel

KW - Stable imine in aqueous media

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DO - 10.1007/s10971-018-4758-z

M3 - Article

AN - SCOPUS:85051648778

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JO - Journal of Sol-Gel Science and Technology

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SN - 0928-0707

IS - 3

ER -

Spectroscopic studies of a ring opening process between epoxy- and aminosilanes and imine formation reactions in aqueous solutions

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