JPS531276A - Improved process for polymerization of olefins - Google Patents

Improved process for polymerization of olefins

Info

Publication number
JPS531276A
JPS531276A JP7542776A JP7542776A JPS531276A JP S531276 A JPS531276 A JP S531276A JP 7542776 A JP7542776 A JP 7542776A JP 7542776 A JP7542776 A JP 7542776A JP S531276 A JPS531276 A JP S531276A
Authority
JP
Japan
Prior art keywords
olefins
polymerization
improved process
pulverization
polymerizing
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
JP7542776A
Other languages
Japanese (ja)
Other versions
JPS5840565B2 (en
Inventor
Kiwamu Hirota
Hideki Tamano
Shintaro Inasawa
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Priority to JP7542776A priority Critical patent/JPS5840565B2/en
Priority to US05/809,873 priority patent/US4180636A/en
Publication of JPS531276A publication Critical patent/JPS531276A/en
Publication of JPS5840565B2 publication Critical patent/JPS5840565B2/en
Expired legal-status Critical Current

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  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

PURPOSE: To prepare a polymer having good stereoregularity, improved moldability and mechanical properties by polymerizing an olefin in the presence of a catalyst system consisting of a magnesium dihalide prepared by pulverization with an acyl halide.
COPYRIGHT: (C)1978,JPO&Japio
JP7542776A 1976-06-24 1976-06-28 Improved polymerization method for olefins Expired JPS5840565B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP7542776A JPS5840565B2 (en) 1976-06-28 1976-06-28 Improved polymerization method for olefins
US05/809,873 US4180636A (en) 1976-06-24 1977-06-24 Process for polymerizing or co-polymerizing propylene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7542776A JPS5840565B2 (en) 1976-06-28 1976-06-28 Improved polymerization method for olefins

Publications (2)

Publication Number Publication Date
JPS531276A true JPS531276A (en) 1978-01-09
JPS5840565B2 JPS5840565B2 (en) 1983-09-06

Family

ID=13575889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7542776A Expired JPS5840565B2 (en) 1976-06-24 1976-06-28 Improved polymerization method for olefins

Country Status (1)

Country Link
JP (1) JPS5840565B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54133587A (en) * 1978-04-10 1979-10-17 Mitsubishi Chem Ind Ltd Preparation of block copolymer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54133587A (en) * 1978-04-10 1979-10-17 Mitsubishi Chem Ind Ltd Preparation of block copolymer

Also Published As

Publication number Publication date
JPS5840565B2 (en) 1983-09-06

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