Axisymmetric peel test for adhesion measurement of polymer coatings

Garret C. Denolf; Larry Haack; Joe Holubka; Ann Straccia; Kay Blohowiak; Chris Broadbent; Kenneth R. Shull

doi:10.1002/polb.23195

Axisymmetric peel test for adhesion measurement of polymer coatings

Garret C. Denolf, Larry Haack, Joe Holubka, Ann Straccia, Kay Blohowiak, Chris Broadbent, Kenneth R. Shull^*

^*Corresponding author for this work

Materials Science and Engineering

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

7 Scopus citations

Abstract

A novel axisymmetric peel test for measuring the adherence of coatings has been developed. The method utilizes a thin elastomeric membrane as a support for an uncured coating. Application of a pressure differential across this membrane brings the coating into contact with the substrate of interest, allowing it to cure while in contact with the substrate. The peel energy of the fully cured coating is determined by the measured peel force and by the geometry at the peeling front. Use of the test is illustrated with a model glassy polyurethane coating on an aluminum substrate. We show that the test is ideally suited for testing the effects of substrate preparation and cure conditions on the resultant coating adhesion. The upper limit on the adhesion strength that we were able to measure was about 50 J/m², a limit that is determined by the tensile strength of the coating.

Original language	English (US)
Pages (from-to)	1706-1712
Number of pages	7
Journal	Journal of Polymer Science, Part B: Polymer Physics
Volume	50
Issue number	24
DOIs	https://doi.org/10.1002/polb.23195
State	Published - 2012

Keywords

adhesion
coatings
membranes

ASJC Scopus subject areas

Condensed Matter Physics
Physical and Theoretical Chemistry
Polymers and Plastics
Materials Chemistry

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10.1002/polb.23195

Cite this

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title = "Axisymmetric peel test for adhesion measurement of polymer coatings",

abstract = "A novel axisymmetric peel test for measuring the adherence of coatings has been developed. The method utilizes a thin elastomeric membrane as a support for an uncured coating. Application of a pressure differential across this membrane brings the coating into contact with the substrate of interest, allowing it to cure while in contact with the substrate. The peel energy of the fully cured coating is determined by the measured peel force and by the geometry at the peeling front. Use of the test is illustrated with a model glassy polyurethane coating on an aluminum substrate. We show that the test is ideally suited for testing the effects of substrate preparation and cure conditions on the resultant coating adhesion. The upper limit on the adhesion strength that we were able to measure was about 50 J/m2, a limit that is determined by the tensile strength of the coating.",

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T1 - Axisymmetric peel test for adhesion measurement of polymer coatings

AU - Denolf, Garret C.

AU - Haack, Larry

AU - Holubka, Joe

AU - Straccia, Ann

AU - Blohowiak, Kay

AU - Broadbent, Chris

AU - Shull, Kenneth R.

PY - 2012

Y1 - 2012

N2 - A novel axisymmetric peel test for measuring the adherence of coatings has been developed. The method utilizes a thin elastomeric membrane as a support for an uncured coating. Application of a pressure differential across this membrane brings the coating into contact with the substrate of interest, allowing it to cure while in contact with the substrate. The peel energy of the fully cured coating is determined by the measured peel force and by the geometry at the peeling front. Use of the test is illustrated with a model glassy polyurethane coating on an aluminum substrate. We show that the test is ideally suited for testing the effects of substrate preparation and cure conditions on the resultant coating adhesion. The upper limit on the adhesion strength that we were able to measure was about 50 J/m2, a limit that is determined by the tensile strength of the coating.

AB - A novel axisymmetric peel test for measuring the adherence of coatings has been developed. The method utilizes a thin elastomeric membrane as a support for an uncured coating. Application of a pressure differential across this membrane brings the coating into contact with the substrate of interest, allowing it to cure while in contact with the substrate. The peel energy of the fully cured coating is determined by the measured peel force and by the geometry at the peeling front. Use of the test is illustrated with a model glassy polyurethane coating on an aluminum substrate. We show that the test is ideally suited for testing the effects of substrate preparation and cure conditions on the resultant coating adhesion. The upper limit on the adhesion strength that we were able to measure was about 50 J/m2, a limit that is determined by the tensile strength of the coating.

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KW - coatings

KW - membranes

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Axisymmetric peel test for adhesion measurement of polymer coatings

Abstract

Keywords

ASJC Scopus subject areas

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