Residual stress in a solventless amine-cured epoxy coating

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AuthorSearch for:
TypeArticle
Journal titleJournal of Coatings Technology
ISSN0361-8773
Volume51
Issue659
Pages4955; # of pages: 7
Subjectepoxy coatings; residual stresses; Buildings; enduit a l'epoxy; contrainte residuelle
AbstractResidual stress in a solventless, amine-cured epoxy coating has been measured and found to increase with coating thickness. The trend with thickness probably results from the competition between densification, produced by the curing reaction, and swelling by absorbed atmospheric moisture, which is prevalent in the thinner coatings. The exothermic curing reaction has no influence upon the internal stress nor upon curing rate of the coating because it does not produce a measurable temperature increase. A heat transfer calculation confirms that the temperature increase in a typical coating is very small.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
IdentifierDBR-P-887
NRC number18012
78
NPARC number20338293
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Record identifier61241f24-d077-46a8-8a45-0958e3e0ed9e
Record created2012-07-19
Record modified2016-05-09
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