Flame-retardant polymeric materials

A polymeric material, particularly textile fibres such as cotton and wool, which has flame-retardant char-forming properties is treated to improve flame-retardance by substitution of active hydrogens of the polymeric material with a phosphoryl substituent. The active hydrogens may be active hydrogen...

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Bibliographische Detailangaben
Hauptverfasser:	SHENG ZHANG, ARTHUR RICHARD HORROCKS
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS DERIVATIVES THEREOF DYES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES POLYSACCHARIDES 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:	A polymeric material, particularly textile fibres such as cotton and wool, which has flame-retardant char-forming properties is treated to improve flame-retardance by substitution of active hydrogens of the polymeric material with a phosphoryl substituent. The active hydrogens may be active hydrogens of the polymeric material and/or active hydrogens of an incorporated char-former such as a polyphosphine oxide or an N-methyloldimethyl phosphonopropionamide. The phosphoryl substituent may be derived from a cyclic polyol phosphoryl chloride such as spirocyclic pentaerythritol diphosphoryl chloride, a sorbitol phosphoryl chloride, a pentaerythritol phosphoryl chloride or a glycerol phosphoryl chloride.