Journal
RSC ADVANCES
Volume 3, Issue 32, Pages 13251-13258Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra41580e
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Funding
- Japan Society for the Promotion of Science (JSPS)
- Center for Medical System Innovation (CMSI)
- Graduate Program for Leaders in Life Innovation (GPLLI)
- International Core Research Center for Nanobio
- Funding Program for World-Leading Innovative R&D on Science and Technology (FIRST program)
- Ministry of Education, Culture, Sports, Science, and Technology in Japan (MEXT) through the Center for NanoBio Integration (CNBI)
- Japan Science and Technology Agency (JST)
- Ministry of Education, Culture, Sports, Science and Technology [12J07983, 12J07980, 23700555, 24240069]
- Grants-in-Aid for Scientific Research [12J07983, 25708033, 12J07980] Funding Source: KAKEN
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Tetra-PEG gel, which is a polymer gel with a well-controlled network structure, was utilized to examine the model predicting the ultimate elongation ratio of elastomeric materials, i.e., the Kuhn model. The effect of polymer fraction, degree of polymerization of network strands, and connectivity of the Tetra-PEG gel was discussed. The ultimate elongation ratio was estimated from the stress-elongation curves using the extended Gent model. The ultimate elongation ratio of the Tetra-PEG gels with different structural parameters did not obey the Kuhn model at all. Instead, we proposed a new semi-empirical model predicting the ultimate elongation ratio of Tetra-PEG gel.
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