Foamed copolymer of styrene and unsaturated anhydride - contains halogen and is crosslinked

A foam comprises a halogen-contg. copolymer of a monovinylidene aromatic monomer and at least 1 milliequiv. per gram of an ethylenically unsatd. carboxylic anhydride. The copolymer is crosslinked by a polyfunctional cpd. through the anhydride moiety to a degree sufficient to render it non-melting up...

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Hauptverfasser:	SKOCHDOPOLE RICHARD ERNEST, SKOCHDOPOLE ANTHONY ERNEST, CORBETT JOHN MARVIN
Format:	Patent
Sprache:	eng ; ita
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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creator	SKOCHDOPOLE RICHARD ERNEST SKOCHDOPOLE ANTHONY ERNEST CORBETT JOHN MARVIN
description	A foam comprises a halogen-contg. copolymer of a monovinylidene aromatic monomer and at least 1 milliequiv. per gram of an ethylenically unsatd. carboxylic anhydride. The copolymer is crosslinked by a polyfunctional cpd. through the anhydride moiety to a degree sufficient to render it non-melting upon exposure to flame. The halogen in the copolymer reduces its flammability without affecting its physical properties, and the crosslinking renders the foam non-melting. It is used in construction and furniture to replace styrene polymer foams.
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language	eng ; ita
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subjects	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
title	Foamed copolymer of styrene and unsaturated anhydride - contains halogen and is crosslinked
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