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

Links

Landscapes

  • 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 (2)

* 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
JPS6152170B2 (en) * 1978-04-10 1986-11-12 Mitsubishi Chem Ind

Also Published As

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

Similar Documents

Publication Publication Date Title
SE7709634L (en) PROCEDURE FOR THE PREPARATION OF OLEPHINE POLYMERS OR COPPOLYMERS
JPS5298045A (en) Polymer composition for molding and its preparation
JPS5287489A (en) Polymerization of olefins
JPS5340093A (en) Preparation of polyolefin
JPS5373279A (en) Preparation of olefin polymer
JPS52110793A (en) Preparation of highly crystalline olefin polymers
JPS5219790A (en) Process for the preparation of ethylene polymer
JPS52100596A (en) Production of olefin
JPS531276A (en) Improved process for polymerization of olefins
JPS537786A (en) Preparation of propylene polymer or copolymer
JPS5319395A (en) Preparation of olefinic polymers having improved properties
JPS52151400A (en) Preparation of polyalkenamer
JPS53277A (en) Production of olefin polymers
JPS532583A (en) Improved preparation of olefin polymers
JPS5310683A (en) New oligomer, its preparation and emulsion polymerization using the same
JPS5417988A (en) Improved method of producing olefin polymer
JPS5352592A (en) Continuous productin of rubbver-reinforced thermoplastic resin
JPS52121085A (en) Reactive high polymers
JPS531278A (en) Preparation of conjugated diene polymers
JPS523677A (en) Process for polymerization of alpha-olefins
JPS5430279A (en) Preparation of improved olefinic polymer
JPS5351286A (en) Polymerization of butadiene
JPS5245698A (en) Improved preparation of ring opening polymer
JPS5347484A (en) Polymerization of ethylene
JPS535287A (en) Improved preparation of oleifn polymer