Mapping water uptake in an epoxy-phenolic coating

Suzanne Morsch; Stuart Lyon; Stuart Smith; Simon Gibbon

doi:10.1016/j.porgcoat.2015.05.017

Mapping water uptake in an epoxy-phenolic coating

Suzanne Morsch, Stuart Lyon, Stuart Smith, Simon Gibbon

Materials Engineering

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Abstract

Water sorption in epoxy networks is associated with deleterious physical effects such as swelling, hydrolysis, lowering of the Tg, cracking and crazing. Nonetheless, water uptake in epoxy coatings is poorly understood in relation to macromolecular structure. In this contribution, we study the effect of cure time (closely related to cross-linking density and free volume) on water uptake for a model epoxy-phenolic coating. Localised water uptake is then mapped with nanoscale lateral resolution using AFM-IR, and correlated to cross-linking density

Original language	English
Pages (from-to)	173-180
Number of pages	8
Journal	Progress in Organic Coatings
Volume	86
DOIs	https://doi.org/10.1016/j.porgcoat.2015.05.017 https://doi.org/10.1016/j.porgcoat.2015.05.017
Publication status	Published - 3 Jun 2015

Keywords

AFM-IR
Water uptake
Epoxy-phenolic
Free volume

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140730Suzanne-COSIPaper- AAMAccepted author manuscript, 585 KBLicence: CC BY-NC-ND

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title = "Mapping water uptake in an epoxy-phenolic coating",

abstract = "Water sorption in epoxy networks is associated with deleterious physical effects such as swelling, hydrolysis, lowering of the Tg, cracking and crazing. Nonetheless, water uptake in epoxy coatings is poorly understood in relation to macromolecular structure. In this contribution, we study the effect of cure time (closely related to cross-linking density and free volume) on water uptake for a model epoxy-phenolic coating. Localised water uptake is then mapped with nanoscale lateral resolution using AFM-IR, and correlated to cross-linking density",

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AU - Morsch, Suzanne

AU - Lyon, Stuart

AU - Smith, Stuart

AU - Gibbon, Simon

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N2 - Water sorption in epoxy networks is associated with deleterious physical effects such as swelling, hydrolysis, lowering of the Tg, cracking and crazing. Nonetheless, water uptake in epoxy coatings is poorly understood in relation to macromolecular structure. In this contribution, we study the effect of cure time (closely related to cross-linking density and free volume) on water uptake for a model epoxy-phenolic coating. Localised water uptake is then mapped with nanoscale lateral resolution using AFM-IR, and correlated to cross-linking density

AB - Water sorption in epoxy networks is associated with deleterious physical effects such as swelling, hydrolysis, lowering of the Tg, cracking and crazing. Nonetheless, water uptake in epoxy coatings is poorly understood in relation to macromolecular structure. In this contribution, we study the effect of cure time (closely related to cross-linking density and free volume) on water uptake for a model epoxy-phenolic coating. Localised water uptake is then mapped with nanoscale lateral resolution using AFM-IR, and correlated to cross-linking density

KW - AFM-IR

KW - Water uptake

KW - Epoxy-phenolic

KW - Free volume

U2 - 10.1016/j.porgcoat.2015.05.017

DO - 10.1016/j.porgcoat.2015.05.017

M3 - Article

VL - 86

SP - 173

EP - 180

JO - Progress in Organic Coatings

JF - Progress in Organic Coatings

ER -

Mapping water uptake in an epoxy-phenolic coating

Abstract

Keywords

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