METHOD FOR PRODUCING POLYMERS OF VINYL AROMATICS, AS WELL AS VINYL AROMATIC-DIENE BLOCK COPOLYMERS
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United States of America Patent
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Issued Date -
Jun 18, 2015
app pub date -
Jun 24, 2013
filing date -
Jun 26, 2012
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Abandoned
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Abstract
Process for the production of vinylaromatic homo- or block copolymers via anionic polymerization, where the polymerization of a vinylaromatic uses a modified n-alkyllithium initiator which is obtainable via reaction, at a temperature of from −20 to 100° C., of n-alkyllithium, dissolved in an inert solvent, with a diene in a molar ratio of from 1:1 to 1:50.
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