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Formation of a strong hydrogel–porous solid interface via the double-network principle

✍ Scribed by Takayuki Kurokawa; Hidemitsu Furukawa; Wei Wang; Yoshimi Tanaka; Jian Ping Gong

Book ID: 103999750
Publisher: Elsevier Science
Year: 2010
Tongue: English
Weight: 728 KB
Volume: 6
Category: Article
ISSN: 1742-7061
DOI: 10.1016/j.actbio.2009.10.046

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✦ Synopsis

A method for binding a tough double-network (DN) hydrogel and a porous solid utilizing the double-network principle is proposed. The effects of the pore size of the solid and the structure of the DN gel in the pores on bonding strength were investigated by a peeling test. Porous solids with pore sizes of the order of several microns afforded strong gel-substrate interfaces. Under optimal conditions a bonding strength as high as approximately 1000 Nm(-1) was reached. The results obtained were compared with the strength of the bulk DN gel, and discussed in terms of the double-network principle at the bonding interface.

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