FLAME RETARDANT COPOLYESTERS

Essentially colorless, high molecular weight n are retardant compositions comprised of copolyester prepared from a dicarboxylic acid or a C1 - C4 lower alkyl ester thereof, a glycol and a halogenated diol compound selected from the group consisting of 2,2'-bis ¢4(.beta.-hydroxyethoxy)-3,5-dibro...

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Bibliographische Detailangaben
1. Verfasser:	CALLANDER, DOUGLAS D
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Essentially colorless, high molecular weight n are retardant compositions comprised of copolyester prepared from a dicarboxylic acid or a C1 - C4 lower alkyl ester thereof, a glycol and a halogenated diol compound selected from the group consisting of 2,2'-bis ¢4(.beta.-hydroxyethoxy)-3,5-dibromopbenyl! propane and 2,2'bis¢4(.beta.-hydroxyethoxy!-3,5-dichlorophenyl! propane employing a modified esterification-polycondensation or transesterification-polycondensation reaction process.