FIBRAS DE ELASTANO ESTABILIZADAS CONTRA INFLUENCIAS DEL MEDIO AMBIENTE

ELINVENTO SE TRATA DE FIBRAS ELASHAN, QUE A TRAVES DE UNA COMBINACION ESTABILIZADOR, SINERGETICA DE A) ANTIOXIDANTES-ALCOHILADOS ALTAMENTE, FENOLICOS DE LA ESTRUCTURA I DONDE R1, R2 Y R3 REPRESENTAN C1-13 RESIDUOS DE ALQUILO Y R3 REPRESENTA ADEMAS CH-6 RESIDUOS DE ALQUILO, Y B) ETERES ACIDOS FOSFORO...

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Hauptverfasser:	SCHROER, HANS, KAUSCH, MICHAEL, SULING, CARLHANS, BUYSCH, HANS-JOSEF
Format:	Patent
Sprache:	spa
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	ELINVENTO SE TRATA DE FIBRAS ELASHAN, QUE A TRAVES DE UNA COMBINACION ESTABILIZADOR, SINERGETICA DE A) ANTIOXIDANTES-ALCOHILADOS ALTAMENTE, FENOLICOS DE LA ESTRUCTURA I DONDE R1, R2 Y R3 REPRESENTAN C1-13 RESIDUOS DE ALQUILO Y R3 REPRESENTA ADEMAS CH-6 RESIDUOS DE ALQUILO, Y B) ETERES ACIDOS FOSFOROSOS (FOSFITOS OLIGOMERES) DIGOMERES, (CICLO) ALIFATICOS, QUE CONTIENEN A TRAVES DE UNA REDUCCION QUIMICA DE PENTAERITRITA, PERHIDROLIFENDO A Y EN EL CASO DADO UN MONOALCOHOL, CON TRIALCOHIL- O TRIARIL-FOSFITOS, SE PROTEGEN CONTRA LAS INFLUENCIAS PERJUDICABLES DEL AMBIENTE, SOBRE TODO CONTRA LA LUZ SOLAR Y LOS GASES DE COMBUSTION. The invention relates to elasthane fibers which are protected against harmful environmental influences, particularly sunlight and combustion gases, by a synergistic stabilizer combination of (a) highly alkylated, phenolic antioxidants corresponding to the following formula I in which R1, R2 and R3 are C1-C3 alkyl radicals, in addition to which R3 may be C4-C6 alkyl radicals and (b) oligomeric, (cyclo)aliphatic phosphorous acid esters (oligomeric phosphites) obtained by reaction of pentaerythritol, perhydrobisphenol A and, optionally, a mono- alcohol with monomeric trialkyl or triaryl phosphites.