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Structure and Properties of High Performance Gels Made by ModuleAssembling Method

Published online by Cambridge University Press:  12 January 2012

Mitsuhiro Shibayama ,
Hanako Asai ,
Kenta Fujii ,
Yuki Akagi  and
Takamasa Sakai
Mitsuhiro Shibayama
Affiliation:
Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, Japan.
Hanako Asai
Affiliation:
Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, Japan.
Kenta Fujii
Affiliation:
Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba, Japan.
Yuki Akagi
Affiliation:
Department of Bioengineering, The University of Tokyo, Bunkyo-ku, Tokyo, Japan.
Takamasa Sakai
Affiliation:
Department of Bioengineering, The University of Tokyo, Bunkyo-ku, Tokyo, Japan.
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Abstract

High performance polymer network gels consisting of tetra-armpoly(ethyleneglycol) (Tetra-PEG) gels were fabricated via a moduleassembling method and their mechanical properties and structure wereinvestigated by stretching and compression measurements, dynamic mechanicalmeasurements, and small-angle neutron scattering (SANS). It was found thatTetra-PEG gels are nearly-ideal polymer network with negligible fractions ofdefects and entanglements. SANS intensity functions indicated that thenetwork structure was uniform free from spatial inhomogeneities. It isdeduced that this uniform structure is ascribed to its unique preparationmethod, i.e., module assembling method (cross-end-coupling oftetra-functional macromers with complementary functional groups).Characteristic properties originated from the near-ideality as polymernetworks are demonstrated, including its application to ion gels, i.e.,polymer network in ionic liquid.

Keywords

polymerneutron scatteringmacromolecular structure

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Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1418: Symposium LL/MM – Gels and Biomedical Materials , 2012 , mrsf11-1418-ll08-02
Copyright
Copyright © Materials Research Society 2012

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References

REFERENCES

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