Rough Adhesive Hydrogels (RAd gels) for Underwater Adhesion

被引：51

作者：

Bradley, Laura C. ^{[1
]}

Bade, Nathan D. ^{[1
]}

Mariani, Lisa M. ^{[2
]}

Turner, Kevin T. ^{[2
]}

Lee, Daeyeon ^{[1
]}

Stebe, Kathleen J. ^{[1
]}

机构：

[1] Univ Penn, Dept Chem & Biomol Engn, Philadelphia, PA 19104 USA

[2] Univ Penn, Dept Mech Engn & Appl Mech, Philadelphia, PA 19104 USA

来源：

ACS APPLIED MATERIALS & INTERFACES | 2017年 / 9卷 / 33期

基金：

美国国家科学基金会;

关键词：

hydrogel; adhesion; surface roughness; PHEMA; biocompatible; drainage; SURFACE-ROUGHNESS; ELASTIC SOLIDS; NANOPARTICLES; GENERATION; PEROXIDE; FRICTION; MOIETY; TOUGH;

D O I：

10.1021/acsami.7b08916

中图分类号：

TB3 [工程材料学];

学科分类号：

082905 [生物质能源与材料];

摘要：

In this work, underwater adhesion is achieved between biocompatible hydrogels and a suite of substrates. Surface roughness, which is typically detrimental for adhesion in air, is shown to be beneficial for underwater adhesion. Contact between the hydrogels with macroscopically flat substrates, and the resulting nonspecific chemical interaction, is facilitated by surface roughness, which enables drainage of the lubricating fluid layer. Hydrogel composition plays an important role in tuning the gel elasticity and interaction with the substrate. Hydrogels that are adhesive on two Sides are synthesized for potential use as versatile adhesives in various applications.

引用

页码：27409 / 27413

页数：5

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