BRANCHED POLYPHOSPHONATES

Disclosed are branched polyphosphonates produced using a polycondensation process, that result in polyphosphonates having a Tg of at least 100 °C, and which can be further processed to have improved hydrolytic stability compared to other polyphosphonates. The method and polyphosphonate compositions...

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Hauptverfasser:	VINCIGUERRA, MICHAEL, RICE, NORMAN, LUSIGNEA, RICHARD, FREITAG, DIETER
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator	VINCIGUERRA, MICHAEL RICE, NORMAN LUSIGNEA, RICHARD FREITAG, DIETER
description	Disclosed are branched polyphosphonates produced using a polycondensation process, that result in polyphosphonates having a Tg of at least 100 °C, and which can be further processed to have improved hydrolytic stability compared to other polyphosphonates. The method and polyphosphonate compositions may be made from readily available starting materials providing lower cost fire retardant materials. Also disclosed are polymer compositions that comprise these branched polyphosphonates and at least one other polymer, wherein the resulting polymer compositions exhibit flame retardant properties. Polyphosphonates ramifiés produits au moyen d'un processus de polycondensation donnant des polyphosphonates présentant une Tg d'au moins 100 DEG C, et pouvant subir un traitement ultérieur leur conférant une meilleure stabilité hydrolytique en comparaison avec d'autres polyphosphonates. Le procédé et les compositions polyphosphonates peuvent être basés sur des produits de départ facilement obtenus, de manière à obtenir des produits ignifuges moins onéreux. On décrit également des compositions polymères comportant lesdits polyphosphonates ramifiés et au moins un autre polymère, les compositions polymères ainsi obtenues présentant des propriétés ignifuges.
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The method and polyphosphonate compositions may be made from readily available starting materials providing lower cost fire retardant materials. Also disclosed are polymer compositions that comprise these branched polyphosphonates and at least one other polymer, wherein the resulting polymer compositions exhibit flame retardant properties. Polyphosphonates ramifiés produits au moyen d'un processus de polycondensation donnant des polyphosphonates présentant une Tg d'au moins 100 DEG C, et pouvant subir un traitement ultérieur leur conférant une meilleure stabilité hydrolytique en comparaison avec d'autres polyphosphonates. Le procédé et les compositions polyphosphonates peuvent être basés sur des produits de départ facilement obtenus, de manière à obtenir des produits ignifuges moins onéreux. 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The method and polyphosphonate compositions may be made from readily available starting materials providing lower cost fire retardant materials. Also disclosed are polymer compositions that comprise these branched polyphosphonates and at least one other polymer, wherein the resulting polymer compositions exhibit flame retardant properties. Polyphosphonates ramifiés produits au moyen d'un processus de polycondensation donnant des polyphosphonates présentant une Tg d'au moins 100 DEG C, et pouvant subir un traitement ultérieur leur conférant une meilleure stabilité hydrolytique en comparaison avec d'autres polyphosphonates. Le procédé et les compositions polyphosphonates peuvent être basés sur des produits de départ facilement obtenus, de manière à obtenir des produits ignifuges moins onéreux. 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The method and polyphosphonate compositions may be made from readily available starting materials providing lower cost fire retardant materials. Also disclosed are polymer compositions that comprise these branched polyphosphonates and at least one other polymer, wherein the resulting polymer compositions exhibit flame retardant properties. Polyphosphonates ramifiés produits au moyen d'un processus de polycondensation donnant des polyphosphonates présentant une Tg d'au moins 100 DEG C, et pouvant subir un traitement ultérieur leur conférant une meilleure stabilité hydrolytique en comparaison avec d'autres polyphosphonates. Le procédé et les compositions polyphosphonates peuvent être basés sur des produits de départ facilement obtenus, de manière à obtenir des produits ignifuges moins onéreux. 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subjects	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
title	BRANCHED POLYPHOSPHONATES
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