METHOD FOR MANUFACTURING CERAMIC FIBER, AND CERAMIC MATERIAL COMPOSITION FOR MANUFACTURING CERAMIC FIBER

WIPO Patent Application WO/2012/153806

A1

Provided is a method for manufacturing a ceramic fiber comprising; a ceramic material composition liquid preparing step for: preparing a ceramic material composition liquid comprising a metallic element serving as the source of a metal oxide that constitutes a ceramic fiber, a fiber-forming auxiliary, and a surfactant, using water as a solvent, wherein the metallic element content of the source of the metal oxide is 3.0 to 9.0 mass percent by metal oxide conversion, the total non-volatile matter content of a compound comprising the metallic element, the fiber formation auxiliary, and the surfactant is 10.0 to 21.0 mass percent, and the surfactant content is 0.05 to 5.0 mass percent; a spinning step for spinning the ceramic material composition liquid by an electrospinning method to obtain a spinning fiber; and a calcinating step for calcinating the spinning fiber to obtain a ceramic fiber. The present invention provides a ceramic fiber having a mean fiber diameter of 100 nm or less, which uses a ceramic material composition liquid whose solvent is a water solvent, as a ceramic material composition liquid for spinning.

MURAYAMA KAZUTAKA (JP)
NAGAI KOUJI (JP)
YOSHIDA SHOUHEI (JP)

PCT/JP2012/062018

November 15, 2012

May 10, 2012

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NICHIAS CORP (JP)
MURAYAMA KAZUTAKA (JP)
NAGAI KOUJI (JP)
YOSHIDA SHOUHEI (JP)

D01F9/08; D01D5/04

WO2006129844A1

2006-12-07

JP2010202983A

2010-09-16

LI, DAN ET AL.: "Fabrication of Titania Nanofibers by Electrospinning", NANO LETTERS, vol. 3, no. 4, 13 March 2003 (2003-03-13), pages 555 - 560

AKATSUKA Kenji et al. (JP)
Kenji Akatsuka (JP)

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