Differentiation of silane adsorption onto model E-glass surfaces from mixed solutions of amino and glycidyl silanes

X.M. Liu, J.L. Thomason, F.R. Jones

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Mixed silanes are often used as coupling agents in sizings for glass fibres. A technique has been developed which enables the preferential adsorption of a particular silane onto a model E-glass from a mixed aqueous silane solution to be probed. It is shown that γ-Aminopropyltriethoxysilane (APS) is preferentially adsorbed over γ-glycidoxypropyltrimethoxysilane (GPS) onto model E-glass fibres. High resolution X-ray photoelectron spectroscopy (XPS) has been employed to investigate the nature of silane deposits. Differentiation between the hydrolysed silane deposit and the model silica-based glass substrate was achieved by Si2p curve fitting. The extent of total silane adsorption onto model E-glass fibres was determined from the intensity of CSiO3 peak. In the case of APS/GPS mixed silanes, the N1s peak intensity provides the concentration of APS in the deposit. By comparing the relative intensities of the components in the Si2p3/2 and Si2p1/2 peaks for SiO4 and CSiO3 with the intensity of the N1s peak an assessment of differential adsorption proved possible.
LanguageEnglish
Title of host publicationSilanes and Other Coupling Agents
EditorsKash L. Mittal
Pages17-28
Number of pages12
Volume4
Publication statusPublished - Apr 2007

Fingerprint

Silanes
Adsorption
Glass
Deposits
Coupling agents
Curve fitting
Silicon Dioxide
X ray photoelectron spectroscopy
Substrates

Keywords

  • adhesives
  • adhesion
  • coating processes
  • paints
  • weathering
  • tribology
  • silanes
  • E-glass fibres
  • model surfaces
  • coupling agents
  • X-ray photoelectron spectroscopy (XPS)

Cite this

Liu, X. M., Thomason, J. L., & Jones, F. R. (2007). Differentiation of silane adsorption onto model E-glass surfaces from mixed solutions of amino and glycidyl silanes. In K. L. Mittal (Ed.), Silanes and Other Coupling Agents (Vol. 4, pp. 17-28)
Liu, X.M. ; Thomason, J.L. ; Jones, F.R. / Differentiation of silane adsorption onto model E-glass surfaces from mixed solutions of amino and glycidyl silanes. Silanes and Other Coupling Agents. editor / Kash L. Mittal. Vol. 4 2007. pp. 17-28
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abstract = "Mixed silanes are often used as coupling agents in sizings for glass fibres. A technique has been developed which enables the preferential adsorption of a particular silane onto a model E-glass from a mixed aqueous silane solution to be probed. It is shown that γ-Aminopropyltriethoxysilane (APS) is preferentially adsorbed over γ-glycidoxypropyltrimethoxysilane (GPS) onto model E-glass fibres. High resolution X-ray photoelectron spectroscopy (XPS) has been employed to investigate the nature of silane deposits. Differentiation between the hydrolysed silane deposit and the model silica-based glass substrate was achieved by Si2p curve fitting. The extent of total silane adsorption onto model E-glass fibres was determined from the intensity of CSiO3 peak. In the case of APS/GPS mixed silanes, the N1s peak intensity provides the concentration of APS in the deposit. By comparing the relative intensities of the components in the Si2p3/2 and Si2p1/2 peaks for SiO4 and CSiO3 with the intensity of the N1s peak an assessment of differential adsorption proved possible.",
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note = "Also presented at 12th European Conference on Composite Materials, Biarritz, France, 29 Aug - 1 Sep 2006",
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Liu, XM, Thomason, JL & Jones, FR 2007, Differentiation of silane adsorption onto model E-glass surfaces from mixed solutions of amino and glycidyl silanes. in KL Mittal (ed.), Silanes and Other Coupling Agents. vol. 4, pp. 17-28.

Differentiation of silane adsorption onto model E-glass surfaces from mixed solutions of amino and glycidyl silanes. / Liu, X.M.; Thomason, J.L.; Jones, F.R.

Silanes and Other Coupling Agents. ed. / Kash L. Mittal. Vol. 4 2007. p. 17-28.

Research output: Chapter in Book/Report/Conference proceedingChapter

TY - CHAP

T1 - Differentiation of silane adsorption onto model E-glass surfaces from mixed solutions of amino and glycidyl silanes

AU - Liu, X.M.

AU - Thomason, J.L.

AU - Jones, F.R.

N1 - Also presented at 12th European Conference on Composite Materials, Biarritz, France, 29 Aug - 1 Sep 2006

PY - 2007/4

Y1 - 2007/4

N2 - Mixed silanes are often used as coupling agents in sizings for glass fibres. A technique has been developed which enables the preferential adsorption of a particular silane onto a model E-glass from a mixed aqueous silane solution to be probed. It is shown that γ-Aminopropyltriethoxysilane (APS) is preferentially adsorbed over γ-glycidoxypropyltrimethoxysilane (GPS) onto model E-glass fibres. High resolution X-ray photoelectron spectroscopy (XPS) has been employed to investigate the nature of silane deposits. Differentiation between the hydrolysed silane deposit and the model silica-based glass substrate was achieved by Si2p curve fitting. The extent of total silane adsorption onto model E-glass fibres was determined from the intensity of CSiO3 peak. In the case of APS/GPS mixed silanes, the N1s peak intensity provides the concentration of APS in the deposit. By comparing the relative intensities of the components in the Si2p3/2 and Si2p1/2 peaks for SiO4 and CSiO3 with the intensity of the N1s peak an assessment of differential adsorption proved possible.

AB - Mixed silanes are often used as coupling agents in sizings for glass fibres. A technique has been developed which enables the preferential adsorption of a particular silane onto a model E-glass from a mixed aqueous silane solution to be probed. It is shown that γ-Aminopropyltriethoxysilane (APS) is preferentially adsorbed over γ-glycidoxypropyltrimethoxysilane (GPS) onto model E-glass fibres. High resolution X-ray photoelectron spectroscopy (XPS) has been employed to investigate the nature of silane deposits. Differentiation between the hydrolysed silane deposit and the model silica-based glass substrate was achieved by Si2p curve fitting. The extent of total silane adsorption onto model E-glass fibres was determined from the intensity of CSiO3 peak. In the case of APS/GPS mixed silanes, the N1s peak intensity provides the concentration of APS in the deposit. By comparing the relative intensities of the components in the Si2p3/2 and Si2p1/2 peaks for SiO4 and CSiO3 with the intensity of the N1s peak an assessment of differential adsorption proved possible.

KW - adhesives

KW - adhesion

KW - coating processes

KW - paints

KW - weathering

KW - tribology

KW - silanes

KW - E-glass fibres

KW - model surfaces

KW - coupling agents

KW - X-ray photoelectron spectroscopy (XPS)

M3 - Chapter

SN - 9789067644525

VL - 4

SP - 17

EP - 28

BT - Silanes and Other Coupling Agents

A2 - Mittal, Kash L.

ER -

Liu XM, Thomason JL, Jones FR. Differentiation of silane adsorption onto model E-glass surfaces from mixed solutions of amino and glycidyl silanes. In Mittal KL, editor, Silanes and Other Coupling Agents. Vol. 4. 2007. p. 17-28