On the role of water, temperature, and glass transition in the corrosion protection behavior of epoxy coatings for underground pipelines

Hung M. Ha; Akram Alfantazi

doi:10.1007/s11998-015-9705-0

On the role of water, temperature, and glass transition in the corrosion protection behavior of epoxy coatings for underground pipelines

Hung M. Ha
, Akram Alfantazi

Chemical and Petroleum Engineering

The University of British Columbia

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

13 Scopus citations

Abstract

Water transport kinetics in the coatings were markedly enhanced and the coating impedances decreased exponentially as temperature increased. The effect of temperature on the coating impedance was attributed to the change in the defect area fraction caused by the thermal expansion of the polymers. The temperature dependence of coating impedance was reversible in a non-aqueous environment but was irreversible in an aqueous environment. This is attributed to the plasticization effect of water on the polymer chains. The effect of glass transition on coating impedances during a short period of exposure to heat source was insignificant.

Original language	British English
Pages (from-to)	1095-1110
Number of pages	16
Journal	Journal of Coatings Technology and Research
Volume	12
Issue number	6
DOIs	https://doi.org/10.1007/s11998-015-9705-0
State	Published - 1 Nov 2015

Keywords

Corrosion
Degradation
Glass transition
High temperature
Polymer coatings

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10.1007/s11998-015-9705-0

Cite this

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title = "On the role of water, temperature, and glass transition in the corrosion protection behavior of epoxy coatings for underground pipelines",

abstract = "Water transport kinetics in the coatings were markedly enhanced and the coating impedances decreased exponentially as temperature increased. The effect of temperature on the coating impedance was attributed to the change in the defect area fraction caused by the thermal expansion of the polymers. The temperature dependence of coating impedance was reversible in a non-aqueous environment but was irreversible in an aqueous environment. This is attributed to the plasticization effect of water on the polymer chains. The effect of glass transition on coating impedances during a short period of exposure to heat source was insignificant.",

keywords = "Corrosion, Degradation, Glass transition, High temperature, Polymer coatings",

author = "Ha, \{Hung M.\} and Akram Alfantazi",

note = "Funding Information: The authors would like to thank Specialty Polymer Coatings Inc. and Natural Sciences and Engineering Research Council of Canada (NSERC) for their financial and technical support of this project. The discussion with Dr. Farzad Mohammadi in the Corrosion Group at UBC is highly acknowledged. The authors are also grateful for the help in DSC and FTIR experiments from Dr. Christophe Mobuchon and Mr. Arjun Sethi at the Composite Research Network (CRN) at UBC. Publisher Copyright: {\textcopyright} 2015, American Coatings Association.",

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AU - Alfantazi, Akram

N1 - Funding Information: The authors would like to thank Specialty Polymer Coatings Inc. and Natural Sciences and Engineering Research Council of Canada (NSERC) for their financial and technical support of this project. The discussion with Dr. Farzad Mohammadi in the Corrosion Group at UBC is highly acknowledged. The authors are also grateful for the help in DSC and FTIR experiments from Dr. Christophe Mobuchon and Mr. Arjun Sethi at the Composite Research Network (CRN) at UBC. Publisher Copyright: © 2015, American Coatings Association.

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N2 - Water transport kinetics in the coatings were markedly enhanced and the coating impedances decreased exponentially as temperature increased. The effect of temperature on the coating impedance was attributed to the change in the defect area fraction caused by the thermal expansion of the polymers. The temperature dependence of coating impedance was reversible in a non-aqueous environment but was irreversible in an aqueous environment. This is attributed to the plasticization effect of water on the polymer chains. The effect of glass transition on coating impedances during a short period of exposure to heat source was insignificant.

AB - Water transport kinetics in the coatings were markedly enhanced and the coating impedances decreased exponentially as temperature increased. The effect of temperature on the coating impedance was attributed to the change in the defect area fraction caused by the thermal expansion of the polymers. The temperature dependence of coating impedance was reversible in a non-aqueous environment but was irreversible in an aqueous environment. This is attributed to the plasticization effect of water on the polymer chains. The effect of glass transition on coating impedances during a short period of exposure to heat source was insignificant.

KW - Corrosion

KW - Degradation

KW - Glass transition

KW - High temperature

KW - Polymer coatings

UR - https://www.scopus.com/pages/publications/84944312290

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DO - 10.1007/s11998-015-9705-0

M3 - Article

AN - SCOPUS:84944312290

SN - 1547-0091

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JO - Journal of Coatings Technology and Research

JF - Journal of Coatings Technology and Research

IS - 6

ER -

On the role of water, temperature, and glass transition in the corrosion protection behavior of epoxy coatings for underground pipelines

Abstract

Keywords

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