FIELD: polymerization reaction catalysts.
SUBSTANCE: catalyst, which may be useful in production of cis-1,4-polymers and cis-1,4-copolymers in synthetic rubber industry, is prepared by mixing, in hydrocarbon solvent, rare-earth element compound, conjugated diene, alkylation agent, and halogen source, said halogen source being aryldimethyl halides or their mixtures with alkylaluminum chlorides. Process is carried out at molar ratio 1:(1-100):(10-100):(0.3-3), respectively.
EFFECT: increased catalytic activity and enabled production of low-dispersity polymers characterized by good performance properties resulting in a high level of physicochemical characteristics of rubber manufactured from these polymers.
2 cl, 1 tbl
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| METHOD OF PRODUCING CIS-1,4-POLYDIENES | 2012 |
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| METHOD OF CIS-1,4-POLYISOPRENE PREPARATION | 2008 |
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| METHOD OF PRODUCTION OF POLYMERIZATION AND COPOLYMERIZATION CATALYST OF UNSATURATED HYDROCARBONS | 1998 |
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| IMPACT-RESISTANT POLYSTYRENE MODIFIED WITH LINEAR AND BRANCHED DIENE RUBBERS | 2005 |
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