VERFAHREN ZUM HERSTELLEN VON COPOLYMEREN UNGESAETTIGTER AROMATISCHER VERBINDUNGEN

VERFAHREN ZUM HERSTELLEN VON COPOLYMEREN UNGESAETTIGTER AROMATISCHER VERBINDUNGEN

A copolymer of unsatd. aromatic cpds. comprises na) randomly distributed, recurring units of formula: (where R may be H, K or Na), and (b) terminal gps. chosen from indene, m-vinyltoluene, alpha-Me-styrene, dicyclopentadiene, styrene and maleic anhydride. Its mol. wt. is 800-1200 as determined cryos...

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Hauptverfasser: BELITSCHINOV GEORGI ANGELOV, FILIPOV LJUBOMIR ANTSCHEV, VATOV VELISLAV HRISTOV, HRISTOV TRAJAN BORISSOV, SARBOV IVAN STOJANOV, PENTSCHEV STILIJAN PETKOV
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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 BELITSCHINOV GEORGI ANGELOV
FILIPOV LJUBOMIR ANTSCHEV
VATOV VELISLAV HRISTOV
HRISTOV TRAJAN BORISSOV
SARBOV IVAN STOJANOV
PENTSCHEV STILIJAN PETKOV
description A copolymer of unsatd. aromatic cpds. comprises na) randomly distributed, recurring units of formula: (where R may be H, K or Na), and (b) terminal gps. chosen from indene, m-vinyltoluene, alpha-Me-styrene, dicyclopentadiene, styrene and maleic anhydride. Its mol. wt. is 800-1200 as determined cryoscopically. The copolymer is prepd. by copolymsn. of the C+9-fraction b. pt. range 150-200 degrees C and maleic anhydride at atmos, pressure and 40-100 degrees C in the presence of a Lewis acid catalysts. The prods. can be saponified with KOH and also NaOH. The process eliminates one step. The prod. is an equivalent substitute for the more expensive rosin.
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Its mol. wt. is 800-1200 as determined cryoscopically. The copolymer is prepd. by copolymsn. of the C+9-fraction b. pt. range 150-200 degrees C and maleic anhydride at atmos, pressure and 40-100 degrees C in the presence of a Lewis acid catalysts. The prods. can be saponified with KOH and also NaOH. The process eliminates one step. 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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 VERFAHREN ZUM HERSTELLEN VON COPOLYMEREN UNGESAETTIGTER AROMATISCHER VERBINDUNGEN
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