Infrared study of the silica/silane reaction. Part II

M. El-Roz; F. Thibault-Starzyk; Anke Blume

Infrared study of the silica/silane reaction. Part II

M. El-Roz, F. Thibault-Starzyk, Anke Blume

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

Abstract

The grafting of different silanes and probe molecules on ULTRASIL® 7000 GR was studied with a special IR technique. A relationship between the molecular size of silanes and reacted silanols at the silica surface was determined. The accessibility of the SiOH-groups to the silane is decreasing with the increasing size of its alkyl group (stearic hindrance). VP Si 363® behaves different due to the additional adsorption possibilities of the long alkylpolyethergroups. The combination of ULTRASIL® 7000 GR with VP Si 363® shows the highest efficiency in silica/ silane coupling.

Original language	English
Pages (from-to)	53-57
Number of pages	5
Journal	KGK Kautschuk, Gummi, Kunststoffe
Volume	67
Issue number	5
Publication status	Published - 2014

Keywords

IR-94284
METIS-306264

Cite this

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title = "Infrared study of the silica/silane reaction. Part II",

abstract = "The grafting of different silanes and probe molecules on ULTRASIL{\textregistered} 7000 GR was studied with a special IR technique. A relationship between the molecular size of silanes and reacted silanols at the silica surface was determined. The accessibility of the SiOH-groups to the silane is decreasing with the increasing size of its alkyl group (stearic hindrance). VP Si 363{\textregistered} behaves different due to the additional adsorption possibilities of the long alkylpolyethergroups. The combination of ULTRASIL{\textregistered} 7000 GR with VP Si 363{\textregistered} shows the highest efficiency in silica/ silane coupling.",

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T1 - Infrared study of the silica/silane reaction. Part II

AU - El-Roz, M.

AU - Thibault-Starzyk, F.

AU - Blume, Anke

PY - 2014

Y1 - 2014

N2 - The grafting of different silanes and probe molecules on ULTRASIL® 7000 GR was studied with a special IR technique. A relationship between the molecular size of silanes and reacted silanols at the silica surface was determined. The accessibility of the SiOH-groups to the silane is decreasing with the increasing size of its alkyl group (stearic hindrance). VP Si 363® behaves different due to the additional adsorption possibilities of the long alkylpolyethergroups. The combination of ULTRASIL® 7000 GR with VP Si 363® shows the highest efficiency in silica/ silane coupling.

AB - The grafting of different silanes and probe molecules on ULTRASIL® 7000 GR was studied with a special IR technique. A relationship between the molecular size of silanes and reacted silanols at the silica surface was determined. The accessibility of the SiOH-groups to the silane is decreasing with the increasing size of its alkyl group (stearic hindrance). VP Si 363® behaves different due to the additional adsorption possibilities of the long alkylpolyethergroups. The combination of ULTRASIL® 7000 GR with VP Si 363® shows the highest efficiency in silica/ silane coupling.

KW - IR-94284

KW - METIS-306264

M3 - Article

SN - 0948-3276

VL - 67

SP - 53

EP - 57

JO - KGK Kautschuk, Gummi, Kunststoffe

JF - KGK Kautschuk, Gummi, Kunststoffe

IS - 5

ER -

Infrared study of the silica/silane reaction. Part II

Abstract

Keywords

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