Microstructured shape memory polymer surfaces with reversible dry adhesion

Jeffrey D. Eisenhaure; Tao Xie; Stephen Varghese; Seok Kim

doi:10.1021/am402479f

Microstructured shape memory polymer surfaces with reversible dry adhesion

Jeffrey D. Eisenhaure, Tao Xie, Stephen Varghese, Seok Kim

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

Abstract

We present a shape memory polymer (SMP) surface with repeatable, very strong (>18 atm), and extremely reversible (strong to weak adhesion ratio of >1 × 10⁴) dry adhesion to a glass substrate. This was achieved by exploiting bulk material properties of SMP and surface microstructuring. Its exceptional dry adhesive performance is attributed to the SMP's rigidity change in response to temperature and its capabilities of temporary shape locking and permanent shape recovery, which when combined with a microtip surface design enables time-independent control of contact area.

Original language	English (US)
Pages (from-to)	7714-7717
Number of pages	4
Journal	ACS Applied Materials and Interfaces
Volume	5
Issue number	16
DOIs	https://doi.org/10.1021/am402479f
State	Published - Aug 28 2013
Externally published	Yes

Keywords

dry adhesives
reversible adhesion
shape memory polymer

ASJC Scopus subject areas

Materials Science(all)

Online availability

10.1021/am402479f

Library availability

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AB - We present a shape memory polymer (SMP) surface with repeatable, very strong (>18 atm), and extremely reversible (strong to weak adhesion ratio of >1 × 104) dry adhesion to a glass substrate. This was achieved by exploiting bulk material properties of SMP and surface microstructuring. Its exceptional dry adhesive performance is attributed to the SMP's rigidity change in response to temperature and its capabilities of temporary shape locking and permanent shape recovery, which when combined with a microtip surface design enables time-independent control of contact area.

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Microstructured shape memory polymer surfaces with reversible dry adhesion

Abstract

Keywords

ASJC Scopus subject areas

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