Process for brominating polystryrenic resins

This invention relates to a thermally stable brominated polystyrene having less than 100 ppm total Cl, above 68 wt% bromine and less than 6,000 ppm hydrolyzable halide. The brominated polystyrene exhibits little or no polymer cross-linking or chain cleavage relative to the starting polystyrene.

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Bibliographische Detailangaben
Hauptverfasser:	KOLICH, CHARLES H, LIN, HOMER C, DADGAR, BILLIE B, BALHOFF, DONALD E, AO, MENG-SHENG
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	This invention relates to a thermally stable brominated polystyrene having less than 100 ppm total Cl, above 68 wt% bromine and less than 6,000 ppm hydrolyzable halide. The brominated polystyrene exhibits little or no polymer cross-linking or chain cleavage relative to the starting polystyrene.