C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 2/04 (2006.01) C07B 37/02 (2006.01) C07C 15/50 (2006.01) C07C 209/68 (2006.01) C07C 211/50 (2006.01) C07C 263/16 (2006.01) C07C 265/08 (2006.01) C07C 275/24 (2006.01) C08F 12/12 (2006.01) C08F 212/32 (2006.01) C09D 125/02 (2006.01) C09D 125/08 (2006.01) C07C 265/14 (2006.01)
Patent
CA 2319741
The present invention relates to a method of making alpha-methylstyrene dimers by combining a cobalt catalyst, a free-radical initiator and an alpha- methylstyrene monomer, in an inert atmosphere, to form a mixture. The mixture is heated to a temperature in the range of 65 ~C to 140 ~C to form alpha methyl styrene dimers. The present invention also relates to the products produced by this inventive method.
L'invention concerne un procédé qui permet de fabriquer des dimères d'alpha-méthylstyrène en combinant un catalyseur à base de cobalt, un initiateur de polymérisation radicalaire et un monomère d'alpha-méthylstyrène, dans une atmosphère inerte, de façon à former un mélange. On chauffe ledit mélange à une température comprise entre 65 et 140 ·C afin de former des dimères d'alpha-méthylstyrène. L'invention concerne également les produits fabriqués selon le procédé de l'invention.
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
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