METHOD FOR PRODUCING SILICON NITRIDE FIBER

To provide a method for producing a silicon nitride fiber having a uniform fiber diameter.SOLUTION: A silicon oxide fiber is prepared by an electrostatic spinning method using a spinnable sol solution prepared by hydrolyzing and polycondensing a silicon alkoxide solution, and the silicon oxide fiber...

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1. Verfasser:	KOSAKA YUSUKE
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES
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Beschreibung
Zusammenfassung:	To provide a method for producing a silicon nitride fiber having a uniform fiber diameter.SOLUTION: A silicon oxide fiber is prepared by an electrostatic spinning method using a spinnable sol solution prepared by hydrolyzing and polycondensing a silicon alkoxide solution, and the silicon oxide fiber is fired in an ammonia gas or a nitrogen gas atmosphere to produce a silicon nitride fiber.SELECTED DRAWING: None 【課題】繊維径が均一な窒化ケイ素繊維の製造方法を提供する。【解決手段】ケイ素アルコキシド溶液を加水分解させ縮重合させることにより調製した曳糸性ゾル溶液を用い、静電紡糸法により酸化ケイ素繊維を調製し、前記酸化ケイ素繊維をアンモニアガス又は窒素ガス雰囲気下で焼成することで窒化ケイ素繊維を製造する。【選択図】なし