AQUEOUS DISPERSION OF POLYURETHANE RESIN, FLAME-RETARDANT POLYESTER FIBER USING THE SAME, AND METHOD FOR PRODUCING SAID FIBER

AQUEOUS DISPERSION OF POLYURETHANE RESIN, FLAME-RETARDANT POLYESTER FIBER USING THE SAME, AND METHOD FOR PRODUCING SAID FIBER

An aqueous dispersion of polyurethane resin obtained by a chain elongation reaction in water, by adding (C) at least one chain extender selected from water-soluble polyamines, hydrazine and derivatives thereof to a dispersion liquid obtained by emulsifying and dispersing a mixture in water. The mixt...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: USUI TAKASHI, SHIMAMURA NOBUYUKI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
LAUNDERING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
TEXTILES
THEIR PREPARATION OR CHEMICAL WORKING-UP
TREATMENT OF TEXTILES OR THE LIKE
TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:An aqueous dispersion of polyurethane resin obtained by a chain elongation reaction in water, by adding (C) at least one chain extender selected from water-soluble polyamines, hydrazine and derivatives thereof to a dispersion liquid obtained by emulsifying and dispersing a mixture in water. The mixture comprises "(B) at least one compound selected from the phosphorous compounds represented by formula (1), and (A) an urethane prepolymer and/or a neutralized urethane prepolymer material which has an isocyanate group at the terminal, wherein an urethane prepolymer of said component (A) is an urethane prepolymer obtained by (a1) an organic polyisocyanate and (a2) a polymeric polyol, and said neutralized urethane prepolymer material is a neutralized material obtained by neutralizing an urethane prepolymer which is obtained by further using (a3) a compound having an anionic hydrophilic group and at least two active hydrogens in a molecule together with said components (a1) and (a2);