Microindentation and nanoindentation studies of aging in pressure-sensitive adhesives

Adriana Paiva; Nina Sheller; Mark D. Foster; Alfred J. Crosby; Kenneth R Shull

doi:10.1021/ma0002343

Microindentation and nanoindentation studies of aging in pressure-sensitive adhesives

Adriana Paiva, Nina Sheller, Mark D. Foster^*, Alfred J. Crosby, Kenneth R Shull

^*Corresponding author for this work

Materials Science and Engineering

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

29 Scopus citations

Abstract

Microindentation and nanoindentation measurements of model pressure-sensitive adhesives have been used along with scanning probe imaging to follow changes in properties with aging. One blend that is initially miscible stiffens markedly with time for tackifier loadings above a certain value. Lateral phase segregation at the surface is seen for some of the blends along with strong increases in stiffness. Changes with time are less pronounced in the miscible blend with a tackifier stabilized by hydrogenation. While microindentation provides quantitative measurement of changes in overall stiffness and adhesive performance, nanoindentation provides lateral resolution of the changes near the surface. Of the techniques used here, phase detection mode scanning probe imaging provides the most highly surface selective means of noting changes in properties with aging.

Original language	English (US)
Pages (from-to)	2269-2276
Number of pages	8
Journal	Macromolecules
Volume	34
Issue number	7
DOIs	https://doi.org/10.1021/ma0002343
State	Published - Mar 27 2001

ASJC Scopus subject areas

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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abstract = "Microindentation and nanoindentation measurements of model pressure-sensitive adhesives have been used along with scanning probe imaging to follow changes in properties with aging. One blend that is initially miscible stiffens markedly with time for tackifier loadings above a certain value. Lateral phase segregation at the surface is seen for some of the blends along with strong increases in stiffness. Changes with time are less pronounced in the miscible blend with a tackifier stabilized by hydrogenation. While microindentation provides quantitative measurement of changes in overall stiffness and adhesive performance, nanoindentation provides lateral resolution of the changes near the surface. Of the techniques used here, phase detection mode scanning probe imaging provides the most highly surface selective means of noting changes in properties with aging.",

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T1 - Microindentation and nanoindentation studies of aging in pressure-sensitive adhesives

AU - Paiva, Adriana

AU - Sheller, Nina

AU - Foster, Mark D.

AU - Crosby, Alfred J.

AU - Shull, Kenneth R

PY - 2001/3/27

Y1 - 2001/3/27

N2 - Microindentation and nanoindentation measurements of model pressure-sensitive adhesives have been used along with scanning probe imaging to follow changes in properties with aging. One blend that is initially miscible stiffens markedly with time for tackifier loadings above a certain value. Lateral phase segregation at the surface is seen for some of the blends along with strong increases in stiffness. Changes with time are less pronounced in the miscible blend with a tackifier stabilized by hydrogenation. While microindentation provides quantitative measurement of changes in overall stiffness and adhesive performance, nanoindentation provides lateral resolution of the changes near the surface. Of the techniques used here, phase detection mode scanning probe imaging provides the most highly surface selective means of noting changes in properties with aging.

AB - Microindentation and nanoindentation measurements of model pressure-sensitive adhesives have been used along with scanning probe imaging to follow changes in properties with aging. One blend that is initially miscible stiffens markedly with time for tackifier loadings above a certain value. Lateral phase segregation at the surface is seen for some of the blends along with strong increases in stiffness. Changes with time are less pronounced in the miscible blend with a tackifier stabilized by hydrogenation. While microindentation provides quantitative measurement of changes in overall stiffness and adhesive performance, nanoindentation provides lateral resolution of the changes near the surface. Of the techniques used here, phase detection mode scanning probe imaging provides the most highly surface selective means of noting changes in properties with aging.

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