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Double network gels

Acknowledgements This research was financially supported by a Grant-in-Aid for the Specially Promoted Research (No. 18002002) from the Ministry of Education, Science, Sports and Culture of Japan. The author thanks T. Kurokawa, Y. Tanaka, Y. M. Chen, H. Na, H. Fumkawa, and the graduate students in LSW for their contributions to double network gel research. The author also thanks K. Yasuda, C. Creton, W. L. Wu, and H. Brown, for useful discussions and contributions to this work. [Pg.243]

Shibayama M (2004) Structural characteristics of double network gels with extremely high... [Pg.244]

Na YH, Tanaka Y, Kawauchi Y, Furukawa H, Sumiyoshi T, Gong JP, Osada Y (2006) Necking phenomenon of double-network gel. Macromolecules 39 4641-4645... [Pg.245]

Huang M, Furukawa H, Tanaka Y, Nakajima T, Osada Y, Gong JP (2007) Importance of entanglement between first and second components in high-strength double network gels. Macromolecules 40 6658-6664... [Pg.245]

Brown HR (2007) A model ofthe fracture of double network gels. Macromolecules 40 3815-3818... [Pg.245]

Tanaka Y (2007) A local damage model for anomalous high toughness of double-network gels. Europhys Lett 78 5600.5... [Pg.245]

Na, Y.-H. Kurokawa, T. Katsuyama, Y. Tsukeshiba, H. Gong, J. P. Osada, Y. Okabe, S. Karino, T. Shibayama, M., Structural Characteristics of Double Network Gels with Extremely High Mechanical Strength. Macromolecules 2004, 37, 5370-5374. [Pg.187]

For some purposes, gels with a specific stmcture can be synthesized, in particular, gradient gels, ° double-network gels, " and gels with embedded voids (the so-called Swiss cheese-type gels). " ... [Pg.341]

Double-network gels (Gong et al. 2003) These are interpenetrating structures of two polymer networks that are not eross-linked with each other. [Pg.23]

Fig. 22 Phase-contrast micrographs of BFAECs cultured on double network (DN) and triple network (TN) gels PNaAMPS/PDMAAm DN gel (a), PNaAMPS/PDMAAm/poly(NaAMPS-co-DMAAni I TN gels (b-d). In the third network. NaAMPS molar fraction was F = 0.5. The cross-linker concentration of the third network was 0 (a), 2 (b), and 4 mol% (c). Scale bar. lOOpm. (Reproduced, with permission, from [98])... Fig. 22 Phase-contrast micrographs of BFAECs cultured on double network (DN) and triple network (TN) gels PNaAMPS/PDMAAm DN gel (a), PNaAMPS/PDMAAm/poly(NaAMPS-co-DMAAni I TN gels (b-d). In the third network. NaAMPS molar fraction was F = 0.5. The cross-linker concentration of the third network was 0 (a), 2 (b), and 4 mol% (c). Scale bar. lOOpm. (Reproduced, with permission, from [98])...
Results on double networks in the unswollen state generally track the behavior of single networks. Recent results, however, now indicate that swelling double networks gives gels that have extremely high mechanical... [Pg.148]

Figure 1.1 Stress-strain curves from DN gels show much higher strength than conventional gels (Reprinted with permission from Cong, f. P., Katsuyama, Y., Kurokawa, T. and Osada, Y. Double network hydrogels with extremely high mechanical strength. Advanced Materials, 15, 1155-58, Copyright (2003) Wiley-VCH Verlag CmbH). Figure 1.1 Stress-strain curves from DN gels show much higher strength than conventional gels (Reprinted with permission from Cong, f. P., Katsuyama, Y., Kurokawa, T. and Osada, Y. Double network hydrogels with extremely high mechanical strength. Advanced Materials, 15, 1155-58, Copyright (2003) Wiley-VCH Verlag CmbH).
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