JPS5291092A - Preparation of propylene block copolymers - Google Patents

Preparation of propylene block copolymers

Info

Publication number
JPS5291092A
JPS5291092A JP776376A JP776376A JPS5291092A JP S5291092 A JPS5291092 A JP S5291092A JP 776376 A JP776376 A JP 776376A JP 776376 A JP776376 A JP 776376A JP S5291092 A JPS5291092 A JP S5291092A
Authority
JP
Japan
Prior art keywords
block copolymers
propylene block
preparation
agglomeration
causing
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
JP776376A
Other languages
Japanese (ja)
Other versions
JPS558012B2 (en
Inventor
Genjiro Kakogawa
Tetsuyoshi Suzuki
Nobuaki Goko
Soichi Inoue
Kouji Mukuraguchi
Masaharu Ito
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical Industries 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 Mitsubishi Chemical Industries Ltd filed Critical Mitsubishi Chemical Industries Ltd
Priority to JP776376A priority Critical patent/JPS5291092A/en
Publication of JPS5291092A publication Critical patent/JPS5291092A/en
Publication of JPS558012B2 publication Critical patent/JPS558012B2/ja
Granted legal-status Critical Current

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  • Polymerization Catalysts (AREA)
  • Graft Or Block Polymers (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

PURPOSE: A process for preparing propylene block copolymers with high yields and good process stability suitable for continuous polymerization without causing the agglomeration of slurry particles, using a specific Ziegler-Natta type catalyst.
COPYRIGHT: (C)1977,JPO&Japio
JP776376A 1976-01-27 1976-01-27 Preparation of propylene block copolymers Granted JPS5291092A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP776376A JPS5291092A (en) 1976-01-27 1976-01-27 Preparation of propylene block copolymers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP776376A JPS5291092A (en) 1976-01-27 1976-01-27 Preparation of propylene block copolymers

Publications (2)

Publication Number Publication Date
JPS5291092A true JPS5291092A (en) 1977-08-01
JPS558012B2 JPS558012B2 (en) 1980-03-01

Family

ID=11674717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP776376A Granted JPS5291092A (en) 1976-01-27 1976-01-27 Preparation of propylene block copolymers

Country Status (1)

Country Link
JP (1) JPS5291092A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS555969A (en) * 1978-06-29 1980-01-17 Sumitomo Chem Co Ltd Preparation of propylene-ethylene block copolymer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS555969A (en) * 1978-06-29 1980-01-17 Sumitomo Chem Co Ltd Preparation of propylene-ethylene block copolymer

Also Published As

Publication number Publication date
JPS558012B2 (en) 1980-03-01

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