Method for the production of long chain hydrocarbyl...

Details Method for the production of long chain hydrocarbyl... Method for the production of long chain hydrocarbyl...

C - Chemistry, Metallurgy

07

C

260/520, 260/306

C07C 57/13 (2006.01) B01J 19/18 (2006.01) C07C 69/602 (2006.01) C07D 207/412 (2006.01) C08F 8/22 (2006.01) C08F 8/46 (2006.01) C10M 129/92 (2006.01) C10M 129/95 (2006.01) C10M 133/52 (2006.01) C10M 159/12 (2006.01)

Patent

CA 1338288

The present invention provides a process for the preparation of long chain hydrocarbyl substituted mono- or dicarboxylic acid materials in high active ingredient concentrations which comprises reacting a long chain hydrocarbon polymer, generally a polyolefin, and an monounsaturated carboxylic reactant such as maleic anhydride in the presence of chlorine, wherein at least about 60 mol% of the chlorine is added to the reaction mixture containing said polyolefin and monounsaturated carboxylic reactant at a reaction temperature not greater than about 170°C while imparting to the reaction mixture a total mixing energy of at least about 4 HP/1000 gal. This process selectivity produces more monofunctionalized long chain hydrocarbyl substituted mono- or dicarboxylic acid material product and substantially reduces the amount of oxidized by-product material, giving less sediment to be removed from the product.

590328

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