FLAME RETARDANT CELLULOSE FIBER STRUCTURE AND PROCESS FOR PREPARATION THEREOF

FLAME RETARDANT CELLULOSE FIBER STRUCTURE AND PROCESS FOR PREPARATION THEREOF

PURPOSE: Provided is a process for preparing a cellulose fiber structure by impregnating a cellulose fiber structure with an aqueous solution of a phosphorous compound and a nitrogen compound, heat treating in a nitrogen atmosphere, converting the obtained cellulose ammonium phosphate ester compound...

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Hauptverfasser: HONG, SEONG CHEOL, KO, YEONG GEON, AHN, BYEONG GIL, CHOI, UNG SU, KWON, O GWAN
Format: Patent
Sprache:eng ; kor
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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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creator HONG, SEONG CHEOL
KO, YEONG GEON
AHN, BYEONG GIL
CHOI, UNG SU
KWON, O GWAN
description PURPOSE: Provided is a process for preparing a cellulose fiber structure by impregnating a cellulose fiber structure with an aqueous solution of a phosphorous compound and a nitrogen compound, heat treating in a nitrogen atmosphere, converting the obtained cellulose ammonium phosphate ester compound to a cellulose sodium phosphate ester compound by ion exchange and coupling a refractory metal is provided. Thereby the obtained fiber structure can be used for fire retardant material, insulating material and high temperature filter material. CONSTITUTION: This process comprises the steps of: forming a cellulose ammonium phosphate ester compound by impregnating a cellulose fiber structure containing cellulose fiber with an aqueous solution of a phosphorous compound and a nitrogen compound and reacting at 200 to 400deg.C in a nitrogen atmosphere; forming a cellulose sodium phosphate ester compound by ion exchange of the formed compound in a sodium hydroxide solution; coupling with a metal ion by impregnating the formed cellulose sodium phosphate ester compound with an alcohol solution of refractory metal chloride.
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subjects 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
title FLAME RETARDANT CELLULOSE FIBER STRUCTURE AND PROCESS FOR PREPARATION THEREOF
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