PROCESS OF RENDERING COPOLYMER POWDERS OF MALEIC ANHYDRIDE AND AN ALKYL VINYL ETHER PREPARED IN BENZENE SOLVENT SUBSTANTIALLY BENZENE-FREE

PROCESS OF RENDERING COPOLYMER POWDERS OF MALEIC ANHYDRIDE AND AN ALKYL VINYL ETHER PREPARED IN BENZENE SOLVENT SUBSTANTIALLY BENZENE-FREE

FDN-1771 PROCESS OF RENDERING COPOLYMER POWDERS OF MALEIC ANHYDRIDE AND AN ALKYL VINYL ETHER PREPARED IN BENZENE SOLVENT SUBSTANTIALLY BENZENE-FREE Substantially benzene-free copolymers of maleic anhydride and alkyl vinyl ethers having benzene present in an amount of less than 1 ppm and toluene pres...

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Hauptverfasser: KWAK, YOON T, TAZI, MOHAMMED, PLOCHOCKA, KRYSTYNA
Format: Patent
Sprache:eng ; fre
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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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creator KWAK, YOON T
TAZI, MOHAMMED
PLOCHOCKA, KRYSTYNA
description FDN-1771 PROCESS OF RENDERING COPOLYMER POWDERS OF MALEIC ANHYDRIDE AND AN ALKYL VINYL ETHER PREPARED IN BENZENE SOLVENT SUBSTANTIALLY BENZENE-FREE Substantially benzene-free copolymers of maleic anhydride and alkyl vinyl ethers having benzene present in an amount of less than 1 ppm and toluene present in an amount of about 2.0 wt. % or less are provided by treating the copolymer powder with toluene at a temperature of about 115.degree.C. to about 125.degree.C.
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subjects 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
title PROCESS OF RENDERING COPOLYMER POWDERS OF MALEIC ANHYDRIDE AND AN ALKYL VINYL ETHER PREPARED IN BENZENE SOLVENT SUBSTANTIALLY BENZENE-FREE
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