JPS5618610A - Polymerization of olefin - Google Patents

Polymerization of olefin

Info

Publication number
JPS5618610A
JPS5618610A JP9468379A JP9468379A JPS5618610A JP S5618610 A JPS5618610 A JP S5618610A JP 9468379 A JP9468379 A JP 9468379A JP 9468379 A JP9468379 A JP 9468379A JP S5618610 A JPS5618610 A JP S5618610A
Authority
JP
Japan
Prior art keywords
olefin
solid catalyst
chromium
oxide
precipitated product
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9468379A
Other languages
Japanese (ja)
Other versions
JPS5831087B2 (en
Inventor
Tadashi Ikegami
Atsumu Ozaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP9468379A priority Critical patent/JPS5831087B2/en
Publication of JPS5618610A publication Critical patent/JPS5618610A/en
Publication of JPS5831087B2 publication Critical patent/JPS5831087B2/en
Expired legal-status Critical Current

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Abstract

PURPOSE: To polymerize an olefin in high yields, by polymerizing ethylene by use of a specific solid catalyst containing an oxide of trivalent chromium.
CONSTITUTION: A solid catalyst is prepared by adjusting an acidic aqueous solution, pH below 3, containing an alkali metal silicate such as sodium silicate or potassium silicate and a Cr(III) compound such as chromium nitrate or chromium oxide to a pH of 4W12 by the addition of an alkali and aging the solution for 1W20hr at 20W100°C, separating the precipitated product, drying the precipitated product at below 200°C and heat-treating the dried product at 200°C or higher, pref., 300W 600°C, in a nonoxidizing atmosphere. Then, ethylene alone or toghther with an α- olefin of at least 3C is (co)polymerized in the presence of the above solid catalyst.
COPYRIGHT: (C)1981,JPO&Japio
JP9468379A 1979-07-25 1979-07-25 Olefin polymerization method Expired JPS5831087B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9468379A JPS5831087B2 (en) 1979-07-25 1979-07-25 Olefin polymerization method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9468379A JPS5831087B2 (en) 1979-07-25 1979-07-25 Olefin polymerization method

Publications (2)

Publication Number Publication Date
JPS5618610A true JPS5618610A (en) 1981-02-21
JPS5831087B2 JPS5831087B2 (en) 1983-07-04

Family

ID=14116998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9468379A Expired JPS5831087B2 (en) 1979-07-25 1979-07-25 Olefin polymerization method

Country Status (1)

Country Link
JP (1) JPS5831087B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085357A2 (en) * 1982-01-20 1983-08-10 Phillips Petroleum Company Heating silica gel in inert atmosphere before activation
EP0085857A2 (en) * 1982-01-20 1983-08-17 Phillips Petroleum Company Aging of chromium-containing gel at high pH
DE10316082B4 (en) * 2002-08-06 2020-06-04 Sumitomo Chemical Co. Ltd. A process for producing an alpha olefin polymerization catalyst and a process for producing an alpha olefin polymer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085357A2 (en) * 1982-01-20 1983-08-10 Phillips Petroleum Company Heating silica gel in inert atmosphere before activation
EP0085857A2 (en) * 1982-01-20 1983-08-17 Phillips Petroleum Company Aging of chromium-containing gel at high pH
DE10316082B4 (en) * 2002-08-06 2020-06-04 Sumitomo Chemical Co. Ltd. A process for producing an alpha olefin polymerization catalyst and a process for producing an alpha olefin polymer

Also Published As

Publication number Publication date
JPS5831087B2 (en) 1983-07-04

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