FIELD: polymerization catalysts.
SUBSTANCE: invention relates to preparation of catalysts used in styrene oligomerization processes producing dimers useful in manufacture of synthetic rubbers, heat carriers, insulation oil, polystyrene solvents. Catalyst is prepared through interaction of palladium (II) compound and boron trichloride compound in styrene medium at 333-353 K, said palladium (II) compound being, in particular, palladium acetylacetonato-bis(triarylphosphine) tetrafluoroborate of general formula [(Acac)Pd(PR3)2]BF4, wherein Acac denotes acetylacetonate, PR3 tertiary phosphine, and R phenyl, o-tolyl, or p-tolyl, and atomic ratio B/Pd = 3:10.
EFFECT: increased process efficiency to 153000 mole styrene per 1 g-atom Pd with dimer formation selectivity to 91%.
3 tbl, 15 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PRODUCING 1,3-DIPHENYLBUTENE-1 | 2012 |
|
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| METHOD OF PREPARING STYRENE OLIGOMERIZATION CATALYST | 1996 |
|
RU2129043C1 |
| METHOD OF PRODUCING NORBORNENE ADDITION POLYMERS | 2007 |
|
RU2383556C2 |
| METHOD OF POLYMERIZATION OF NORBORENE IN PRESENCE OF ANILINE COMPLEXES OF PALLADIUM | 2015 |
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RU2641690C2 |
| METHOD OF OBTAINING CATION COMPLEXES OF PALLADIUM | 2006 |
|
RU2329269C2 |
| METHOD OF ADDITIVE POLYMERIZATION OF NORBORNEN AND ITS DERIVATIVES | 2015 |
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| METHOD OF OBTAINING DIFFERENT-LIGAND CATIONIC COMPLEXES OF PALLADIUM | 2009 |
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RU2423373C1 |
| METHOD OF PRODUCING CATIONIC COMPLEXES OF PALLADIUM WITH PHOSPHINE LIGANDS | 2017 |
|
RU2636741C1 |
| METHOD FOR ADDITION POLYMERISATION OF NORBORNENE | 2014 |
|
RU2570703C1 |
| METHOD OF OBTAINING CATIONIC PALLADIUM COMPLEXES | 2011 |
|
RU2466134C1 |
