SUPER TOUGH GELS WITH A DOUBLE NETWORK STRUCTURE

Tasuku Nakajima; Takayuki Kurokawa; Hidemitsu Furukawa; Qiu Ming Yu; Yoshimi Tanaka; Yoshihito Osada; Jian Ping Gong

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SUPER TOUGH GELS WITH A DOUBLE NETWORK STRUCTURE

Feature Article | Updated：2021-06-21

- SUPER TOUGH GELS WITH A DOUBLE NETWORK STRUCTURE
- Vol. 27, Issue 1, Pages: 1-9(2009)
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- Published：20 January 2009
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Tasuku Nakajima, Takayuki Kurokawa, Hidemitsu Furukawa, et al. SUPER TOUGH GELS WITH A DOUBLE NETWORK STRUCTURE[J]. 2009, 27(1): 1-9.
DOI：

Tasuku Nakajima, Takayuki Kurokawa, Hidemitsu Furukawa, et al. SUPER TOUGH GELS WITH A DOUBLE NETWORK STRUCTURE[J]. 2009, 27(1): 1-9. DOI：

摘要

Living tissues work with fantastic functions in soft and wet gel-like state. Thus

hydrogels have attracted much attention as excellent soft wet materials

suitable for making artificial organs for medical treatments.However

conventional hydrogels are mechanically too weak for practical uses. We have created double network (DN) hydrogels with extremely high mechanical strength in order to overcome this problem. DN gels are interpenetrating network (IPN) hydrogels consisting of rigid polyelectrolyte and soft neutral polymer. Their excellent mechanical properties cannot be explained by the standard fracture theories. In this paper

we discuss about the toughening mechanism of DN gels in accordance with their characteristic behavior

such as large hysteresis and necking phenomenon. We also describe the results on tissue engineering application of DN gels.

Abstract

Living tissues work with fantastic functions in soft and wet gel-like state. Thus

hydrogels have attracted much attention as excellent soft wet materials

suitable for making artificial organs for medical treatments.However

we discuss about the toughening mechanism of DN gels in accordance with their characteristic behavior

such as large hysteresis and necking phenomenon. We also describe the results on tissue engineering application of DN gels.

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