FIELD: chemistry.
SUBSTANCE: described is a method of producing norbornene addition polymers (bicycle[2.2.1]heptene-2)through polymerisation of norbornene in the presence of a catalyst system obtained by reacting a palladium cationic complex in an organic solvent and etharate of boron trifluoride of formula BF3OEt2, distinguished by that the palladium complex used is tetrafluoroborate acetylacetonatobis(triarylphosphine) palladium with general formula [(Acac)Pd(PR3)2]BF4, where Acac is acetylacetonate, where R=o-tolyl, n - tolyl, phenyl. The process is carried out in molar ratio of boron to palladium B:Pd=5:1-40:1 and temperature 15-70°C.
EFFECT: increased efficiency of norbornene polymerisation process through increased catalyst activity.
4 tbl, 18 ex
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RU2653060C1 |
METHOD FOR ADDITION POLYMERISATION OF NORBORNENE | 2012 |
|
RU2487895C1 |
METHOD OF PREPARING CATALYST FOR OLIGOMERIZATION OF STYRENE | 2005 |
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RU2423373C1 |
Authors
Dates
2010-03-10—Published
2007-07-16—Filed