Adhesive transfer of thin viscoelastic films

Kenneth R. Shull, Elizabeth F. Martin, Peter L. Drzal, Mark C Hersam, Alison R. Markowitz, Rachel L. McSwain

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Micellar suspensions of acrylic diblock copolymers are excellent model materials for studying the adhesive transfer of viscoelastic solids. The micellar structure is maintained in films with a variety of thicknesses, giving films with a well-defined structure and viscoelastic character. Thin films were cast onto elastomeric silicone substrates from micellar suspensions in butanol, and the adhesive interactions between these coated elastomeric substrates and a rigid indenter were quantified. By controlling the adhesive properties of the film/indenter and film/substrate interfaces we were able to obtain very clean transfer of the film from the substrate to the portion of the glass indenter with which the film was in contact. Adhesive failure at the film/substrate interface occurs when the film/indenter interface is able to support an applied energy release rate that is sufficient to result in cavity nucleation at the film/substrate interface. Cavity formation is rapidly followed by delamination of the entire region under the indenter. The final stage in the transfer process involves the failure of the film that bridges the indenter and the elastomeric substrate. This film is remarkably robust and is extended to three times its original width prior to failure. Failure of this film occurs at the periphery of the indenter, giving a transferred film that conforms to the original contact area between the indenter and the coated substrate.

Original languageEnglish
Pages (from-to)178-186
Number of pages9
JournalLangmuir
Volume21
Issue number1
DOIs
Publication statusPublished - Jan 4 2005

Fingerprint

adhesives
Adhesives
Thin films
Substrates
Suspensions
Butanols
cavities
Energy release rate
silicones
Silicones
Butenes
Delamination
Block copolymers
Acrylics
Film thickness
casts
copolymers
Nucleation
film thickness
nucleation

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

Cite this

Shull, K. R., Martin, E. F., Drzal, P. L., Hersam, M. C., Markowitz, A. R., & McSwain, R. L. (2005). Adhesive transfer of thin viscoelastic films. Langmuir, 21(1), 178-186. https://doi.org/10.1021/la048120y

Adhesive transfer of thin viscoelastic films. / Shull, Kenneth R.; Martin, Elizabeth F.; Drzal, Peter L.; Hersam, Mark C; Markowitz, Alison R.; McSwain, Rachel L.

In: Langmuir, Vol. 21, No. 1, 04.01.2005, p. 178-186.

Research output: Contribution to journalArticle

Shull, KR, Martin, EF, Drzal, PL, Hersam, MC, Markowitz, AR & McSwain, RL 2005, 'Adhesive transfer of thin viscoelastic films', Langmuir, vol. 21, no. 1, pp. 178-186. https://doi.org/10.1021/la048120y
Shull KR, Martin EF, Drzal PL, Hersam MC, Markowitz AR, McSwain RL. Adhesive transfer of thin viscoelastic films. Langmuir. 2005 Jan 4;21(1):178-186. https://doi.org/10.1021/la048120y
Shull, Kenneth R. ; Martin, Elizabeth F. ; Drzal, Peter L. ; Hersam, Mark C ; Markowitz, Alison R. ; McSwain, Rachel L. / Adhesive transfer of thin viscoelastic films. In: Langmuir. 2005 ; Vol. 21, No. 1. pp. 178-186.
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