METHOD OF FLAMEPROOFING FREE FROM OCCURRENCE OF FORMALDEHYDE AND CAPABLE OF PROVIDING EXCELLENT WASHING FASTNESS

PURPOSE:To provide a method of flame-proofing free from occurrence of free formaldehyde and capable of providing an excellent washing fastness, by attaching a mixed aq. soln. of a diamide phosphorus nitride trimer (or tetramer) with a polyvalent amino compound to a cellulose material and heat treati...

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Bibliographische Detailangaben
1. Verfasser:	NOGAMI ISAO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES TEXTILES 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
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a method of flame-proofing free from occurrence of free formaldehyde and capable of providing an excellent washing fastness, by attaching a mixed aq. soln. of a diamide phosphorus nitride trimer (or tetramer) with a polyvalent amino compound to a cellulose material and heat treating the material after drying. CONSTITUTION:A mixed aq. soln. of a diamide phosphorus nitride trimer of the formula I or tetramer of the formula II with a polyvalent amino compound (urea is suitable) is attached to a cellulose material. The material is dried at a temp. of about 110 deg.C or lower and heat-treated at 160 deg.C for about 2min. The weight ratio of the diamide phosphorus nitride trimer (tetramer) to the polyvalent amino compound in the mixed aq. soln. is 3:0.1-6. The mixed aq. soln. may contain an acid catalyst (phosphoric acid is suitable), a reinforcing agent (e.g.: polyethylene higher fatty acid derivative), a softening agent and a penetrant.