PMID- 36341761
OWN - NLM
STAT- MEDLINE
DCOM- 20221118
LR  - 20221228
IS  - 2050-7518 (Electronic)
IS  - 2050-750X (Linking)
VI  - 10
IP  - 44
DP  - 2022 Nov 16
TI  - A humidity-resistant bio-inspired microfibrillar adhesive fabricated using a 
      phenyl-rich polysiloxane elastomer for reliable skin patches.
PG  - 9179-9187
LID - 10.1039/d2tb01955h [doi]
AB  - Steady adhesion under varying humidity conditions is fundamentally challenging 
      due to the barrier of interfacial water molecules. Here, we demonstrate a 
      humidity-resistant gecko-inspired microfibrillar adhesive fabricated by using a 
      specific phenyl-rich polysiloxane. In contrast with the great decline of 
      macroadhesion with increasing humidity for the typical polydimethylsiloxane 
      (PDMS) microfibrillar adhesives, strong macroadhesion of a microfibrillar 
      adhesive fabricated using synthetic phenyl-rich polysiloxane maintains adhesion 
      well across a wide relative humidity range (1% to 95%). Moreover, the pull-off 
      strength is increased by 500% compared to that of phenyl-absent PDMS 
      microfibrillar adhesives at extremely high humidity. Mechanism analysis 
      demonstrates that the synergistic interplay of strong interfacial hydrophobicity 
      leading to dry contact and bulk energy dissipation through massive aromatic pi-pi 
      interactions contributes greatly to the reliable and strong humidity 
      macroadhesion. The present results provide a better understanding of humidity 
      macroadhesion as well as application potential for microfibrillar adhesives, 
      which are proven to be reliable skin adhesive patches for long-term health-care 
      that have to be exposed to varying humidity conditions of the skin surface.
FAU - Xia, Shuang
AU  - Xia S
AUID- ORCID: 0000-0002-5136-3704
AD  - The State Key Laboratory of Polymer Materials Engineering, Polymer Research 
      Institute of Sichuan University, Chengdu 610065, China. hwzou@scu.edu.cn.
FAU - Chen, Yukun
AU  - Chen Y
AD  - The State Key Laboratory of Polymer Materials Engineering, Polymer Research 
      Institute of Sichuan University, Chengdu 610065, China. hwzou@scu.edu.cn.
FAU - Fu, Wenxin
AU  - Fu W
AUID- ORCID: 0000-0002-8986-8310
AD  - Key Laboratory of Science and Technology on High-tech Polymer Materials, 
      Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
FAU - Tian, Jinfeng
AU  - Tian J
AD  - The State Key Laboratory of Polymer Materials Engineering, Polymer Research 
      Institute of Sichuan University, Chengdu 610065, China. hwzou@scu.edu.cn.
FAU - Zhou, Yilin
AU  - Zhou Y
AD  - The State Key Laboratory of Polymer Materials Engineering, Polymer Research 
      Institute of Sichuan University, Chengdu 610065, China. hwzou@scu.edu.cn.
FAU - Sun, Yini
AU  - Sun Y
AD  - The State Key Laboratory of Polymer Materials Engineering, Polymer Research 
      Institute of Sichuan University, Chengdu 610065, China. hwzou@scu.edu.cn.
FAU - Cao, Ruoxuan
AU  - Cao R
AD  - The State Key Laboratory of Polymer Materials Engineering, Polymer Research 
      Institute of Sichuan University, Chengdu 610065, China. hwzou@scu.edu.cn.
FAU - Zou, Huawei
AU  - Zou H
AUID- ORCID: 0000-0002-2411-5895
AD  - The State Key Laboratory of Polymer Materials Engineering, Polymer Research 
      Institute of Sichuan University, Chengdu 610065, China. hwzou@scu.edu.cn.
FAU - Liang, Mei
AU  - Liang M
AD  - The State Key Laboratory of Polymer Materials Engineering, Polymer Research 
      Institute of Sichuan University, Chengdu 610065, China. hwzou@scu.edu.cn.
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20221116
PL  - England
TA  - J Mater Chem B
JT  - Journal of materials chemistry. B
JID - 101598493
RN  - 0 (Adhesives)
RN  - 0 (Elastomers)
RN  - 0 (Siloxanes)
RN  - 63148-62-9 (baysilon)
SB  - IM
MH  - Animals
MH  - *Adhesives
MH  - Elastomers
MH  - Humidity
MH  - Siloxanes
MH  - *Lizards
EDAT- 2022/11/08 06:00
MHDA- 2022/11/19 06:00
CRDT- 2022/11/07 06:05
PHST- 2022/11/08 06:00 [pubmed]
PHST- 2022/11/19 06:00 [medline]
PHST- 2022/11/07 06:05 [entrez]
AID - 10.1039/d2tb01955h [doi]
PST - epublish
SO  - J Mater Chem B. 2022 Nov 16;10(44):9179-9187. doi: 10.1039/d2tb01955h.