The present invention relates to a process for preparing aluminoxane which comprises reacting an organoaluminum compound and water in a solvent system containing solvent having a higher boiling point than that of the organoaluminum compound, or reacting an organoaluminum compound and water, and then adding a solvent system containing the solvent having a higher boiling point than that of the organoaluminum compound to the reaction mixture; and thereafter condensing the resulting reaction mixture under atmospheric pressure or reduced pressure.

Claims

17 · 3 independent · depth 2

17 granted claims

›1.independentA process for preparing aluminoxane which comprises reacting an organoaluminum compound and water in a solvent having a higher boiling point than that…+8

›7.independentA process for preparing aluminoxane which comprises reacting an organoaluminum compound and water in a solvent system containing solvent having a high…

›8.independentA process for preparing aluminoxane which comprises reacting an organoaluminum compound and water, adding a solvent system containing solvent having a…+6

›9.↳ 8The process as claimed in claim 8, wherein the organoaluminum compound is an organic compound represented by the general formula: AlR.sup.13 (wherein …d2

›10.↳ 8The process as claimed in claim 8, wherein the organoaluminum compound is trimethylaluminum, triethylaluminum or triisobutylaluminum.d2

›11.↳ 8The process as claimed in claim 8, wherein the solvent is aromatic hydrocarbon or aliphatic hydrocarbon.d2

›12.↳ 8The process as claimed in claim 8, wherein the organoaluminum compound is trimethylaluminum and the solvent is aromatic hydrocarbon.d2

›13.↳ 8The process as claimed in claim 8, wherein the reaction mixture is condensed until the weight of the resulting solution becomes 1/1.5 to 1/100 of the …d2

›14.↳ 8multiple · 8, 9, 10, 11, 12, 13The process as claimed in anyone of claim 8 to 13, wherein the solvent system is a mixture of not less than 10% by weight of a solvent having a higher…d2

Classifications

2 codes

USPC · US Patent Classification

556/179556/181

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Arthur C. Prescott

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