期刊
ACS APPLIED MATERIALS & INTERFACES
卷 5, 期 16, 页码 7714-7717出版社
AMER CHEMICAL SOC
DOI: 10.1021/am402479f
关键词
dry adhesives; shape memory polymer; reversible adhesion
We present a shape memory polymer (SMP) surface with repeatable, very strong (>18 atm), and extremely reversible (strong to weak adhesion ratio of >1 X 10(4)) 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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