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Patent Searching and Data


Title:
オレフィン重合または共重合において使用するための触媒
Document Type and Number:
Japanese Patent JP3274139
Kind Code:
B2
Abstract:
A catalyst precursor is formed by providing in slurry: (1) a carrier, which is porous and in the form of particles, or spheres, preferably particles of a crosslinked polymer, having a particle diameter of about 1 to about 300 microns, a porosity of about 0.001 to about 10 cc/gm, and a surface area of about 1 to about 1,000 m2/gm; (2) a metallocene complex having an empirical formula CpmMAnBp in which Cp is an unsubstituted or substituted cyclopentadienyl group, M is zirconium, titanium, or hafnium; m is 1, 2, or 3 and each of A and B is a halogen atom, hydrogen or an alkyl group, and (3) an anion forming reagent comprising either a borate complex or a borane. An alkyl aluminum compound is used in conjunction with the catalyst as either a cocatalyst or an impurity scavenger.

Inventors:
クラノウスキ,スティーヴン・エム
クロース,マイケル・ジョセフ
ロー,フレデリック・イップ−クワイ
Application Number:
JP51629095A
Publication Date:
April 15, 2002
Filing Date:
December 05, 1994
Export Citation:
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Assignee:
モービル・オイル・コーポレーション
International Classes:
C08F4/642; B01J31/22; C08F4/02; C08F4/6592; C08F10/00; C08F10/02; C08F4/64; C08F4/659; (IPC1-7): C08F4/642; C08F4/02; C08F10/02
Attorney, Agent or Firm:
社本 一夫 (外5名)