Functional Asymmetry-Enabled Self-Adhesive Film via Phase Separation of Binary Polymer Mixtures for Soft Bio-Integrated Electronics

被引：9

作者：

Bok, Moonjeong ^{[1
]}

Zhao, Zhi-Jun ^{[2
]}

Hwang, Soon Hyoung ^{[1
]}

Ahn, Junseong ^{[1
]}

Ko, Jiwoo ^{[1
]}

Jung, Joo-Yun ^{[1
]}

Lee, Jihye ^{[1
]}

Jeon, Sohee ^{[1
]}

Jeong, Jun-Ho ^{[1
]}

机构：

[1] Korea Inst Machinery & Mat, Nanoconvergence Mfg Syst Res Div, Daejeon 34103, South Korea

[2] Southwest Jiaotong Univ, Inst Smart City & Intelligent Transportat, Chengdu 610097, Sichuan, Peoples R China

来源：

ACS NANO | 2022年 / 16卷 / 11期

关键词：

asymmetric adhesion; hybrid elastomer; induced phase separation; e-skin; soft-biointegrated applications; SURFACE; LITHOGRAPHY; PATCH;

D O I：

10.1021/acsnano.2c05159

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Biocompatible adhesive films are important for many applications (e.g., wearable devices, implantable devices, and attachable sensors). In particular, achieving self-adhesion on one side of a film with biocompatible materials is a compelling goal in adhesion science. Herein, we report a simple and easy manufacturing process using water-soluble hyaluronic acid (HA) that allows adhesiveness on only one side using binary polymer mixtures based on a phase-separation strategy with an elastomer. HA influx allows for the entangled polymer chains of the elastomer to spontaneously deform, permitting tunable mechanical elasticity, conformability, and adhesion. The proposed adhesive film enables the transfer of nanopatterning and the attachment of various surfaces without the use of additional chemicals. In addition, the film can be used for measuring epidermal biopotential and for skin fixation of drug devices. Therefore, the developed facile asymmetric adhesion can block the interferences of other materials on the unnecessary adhesion side, providing considerable potential for the development of functional, multifunctional, and smart bioadhesives.

引用

页码：18157 / 18167

页数：11