What question did this study set out to answer?

To examine the surface energy and adhesion dynamics of acrylic pressure-sensitive adhesive-like networks using contact mechanics and evaluate their relationship to peel test performance.

August 1, 2001The Journal of Adhesion

Surface Energy and Adhesion Studies on Acrylic Pressure Sensitive Adhesives

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Authors

LLLihua LiSouth China Agricultural University MTMatthew TirrellUniversity of Chicago GKGary A. Korba3M (United States)

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Implication

Experimental study demonstrates that acrylic acid increases adhesion energy and hysteresis in polymer networks, suggesting crack dynamics reliably predict tape peel strength.

Key Points

To examine the surface energy and adhesion dynamics of acrylic pressure-sensitive adhesive-like networks using contact mechanics and evaluate their relationship to peel test performance.
Synthesized pressure-sensitive adhesive-like networks (PSA-LNs) by copolymerizing acrylic acid (AA), 2-ethyl hexyl acrylate (2-EHA), and 1,6-hexane diol diacrylate (HDDA).
Characterized surface energy, adhesion hysteresis, and crack propagation dynamics using Johnson-Kendall-Roberts (JKR)-based contact mechanics.
Conducted 180-degree peel tests on actual pressure-sensitive adhesive tapes to compare empirical peel strength against contact mechanics models.
Measured surface energy for the synthesized networks ranged from 27 to 31 mJ/m².
Increasing acrylic acid concentration raised surface energy, threshold adhesion energy, and adhesion hysteresis in the polymer networks.
Adhesion energy scaled to the 0.6–0.8 power of crack propagation speed, which accurately predicted macroscopic peel strength across test models.

Cite This Study

Li et al. (2001) studied this question.

synapsesocial.com/papers/6aa4aec444102162aeaa236d https://doi.org/10.1080/00218460108030724

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Implication

Experimental study demonstrates that acrylic acid increases adhesion energy and hysteresis in polymer networks, suggesting crack dynamics reliably predict tape peel strength.

Surface Energy and Adhesion Studies on Acrylic Pressure Sensitive Adhesives

Discussion

Member takes

Implication

Key Points

Cite This Study

Surface Energy and Adhesion Studies on Acrylic Pressure Sensitive Adhesives

Discussion

Member takes

Implication

Key Points

Cite This Study

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