C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 4/65 (2006.01) C08F 10/00 (2006.01)
Patent
CA 2097516
It is known that an electron donor together with a compound of tetravalent titanium on a magnesium halide carrier is us- able if it is a mono- or polyester of an unsaturated polycarboxylic acid in which at least two carboxyl groups are joined to conti- guous carbon atoms which form double bonds. It has now been observed that activity and stereospecificity increase if at least one of the said carbon atoms, or a carbon atom joined thereto by a double bond, is substituted by a hydrocarbon group having 1-20 carbon atoms. Maleic and fumaric acid esters substituted with the said hydrocarbon group can be mentioned as examples.
Garoff Thomas
Iiskola Eero
Leinonen Timo
Mills Katriina
Borealis Technology Oy
Cassan Maclean
Neste Oy
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