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The Process of Gel Fiber Formation

Published online by Cambridge University Press:  28 February 2011

N. Taneda ,
T. Kawaguchi ,
D. Arai  and
K. Matsuzaki
N. Taneda
Affiliation:
Asahi Glass Company Ltd., Advanced Glass R&D Center, Hazawa-cho, Kanagawa-ku, Yokohama-shi, 221 Japan
T. Kawaguchi
Affiliation:
Asahi Glass Company Ltd., Advanced Glass R&D Center, Hazawa-cho, Kanagawa-ku, Yokohama-shi, 221 Japan
D. Arai
Affiliation:
Asahi Glass Company Ltd., Advanced Glass R&D Center, Hazawa-cho, Kanagawa-ku, Yokohama-shi, 221 Japan
K. Matsuzaki
Affiliation:
Asahi Glass Company Ltd., Advanced Glass R&D Center, Hazawa-cho, Kanagawa-ku, Yokohama-shi, 221 Japan
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Abstract

The gel fiber formation was studied for the spinnable silica sols prepared from a mixture of TEOS, H2O, EtOH and HNO3 ( 1 : 2 : 2 : 0.01, in mole ratio). The effect of polysiloxane molecular size in the spinning sol on spinnability indicated that the tough skeleton of gel, which is preferable for fabrication of high-strength fiber without breakage, was formed by the selective connection of large size polymers (about 106 in M.W.) during the spinning. It was also found that the smaller size polymers in gel fiber continued to react with water in the atmosphere after the spinning, and attached to the skeleton to strengthen the fiber.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 180: Symposium A – Better Ceramics Through Chemistry IV , 1990 , 569
Copyright
Copyright © Materials Research Society 1990

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References

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