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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 25, Iss. 10 — Oct. 1, 2008
  • pp: 1602–1615

Optical transparency and silica network structure in cross-linked natural rubber as revealed by spectroscopic and three-dimensional transmission electron microscopy techniques

Atsushi Kato, Yuko Ikeda, Yuki Kasahara, Junichi Shimanuki, Toshiya Suda, Toshinori Hasegawa, Hisahiro Sawabe, and Shinzo Kohjiya  »View Author Affiliations


JOSA B, Vol. 25, Issue 10, pp. 1602-1615 (2008)
http://dx.doi.org/10.1364/JOSAB.25.001602


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Abstract

Through the study of particulate-silica-filled cross-linked natural rubber, an optical characteristic phenomenon involving a transition from transparency to opacity and reentry to transparency with an increase of silica loading is reported and examined using ultraviolet/visible spectroscopy and haze and diffusion transmittance measurements. Additionally, three-dimensional transmission electron microscopy observation and volume resistivity measurements reveal that the silica is in a networklike structure in the rubbery matrix. Combining these experimental results with a few theoretical considerations, the characteristic phenomenon is estimated to originate from the optical multiple scattering due to isolated chains of silica, which are present in the networklike structure of silica, but one end of which is not connected to the networks even after the percolated silica network is formed.

© 2008 Optical Society of America

OCIS Codes
(160.0160) Materials : Materials
(160.2750) Materials : Glass and other amorphous materials
(180.0180) Microscopy : Microscopy
(180.6900) Microscopy : Three-dimensional microscopy

ToC Category:
Materials

History
Original Manuscript: March 4, 2008
Revised Manuscript: July 2, 2008
Manuscript Accepted: July 15, 2008
Published: September 10, 2008

Citation
Atsushi Kato, Yuko Ikeda, Yuki Kasahara, Junichi Shimanuki, Toshiya Suda, Toshinori Hasegawa, Hisahiro Sawabe, and Shinzo Kohjiya, "Optical transparency and silica network structure in cross-linked natural rubber as revealed by spectroscopic and three-dimensional transmission electron microscopy techniques," J. Opt. Soc. Am. B 25, 1602-1615 (2008)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-25-10-1602


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