JPS528094A - Process for preparing propylene- ethylene block copolymers - Google Patents

Process for preparing propylene- ethylene block copolymers

Info

Publication number
JPS528094A
JPS528094A JP8358375A JP8358375A JPS528094A JP S528094 A JPS528094 A JP S528094A JP 8358375 A JP8358375 A JP 8358375A JP 8358375 A JP8358375 A JP 8358375A JP S528094 A JPS528094 A JP S528094A
Authority
JP
Japan
Prior art keywords
ethylene block
block copolymers
preparing propylene
propylene
ethylene
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
JP8358375A
Other languages
Japanese (ja)
Other versions
JPS5750804B2 (en
Inventor
Shunji Arita
Mikio Nakagawa
Aikichi Yamamoto
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.)
Mitsui Petrochemical Industries Ltd
Original Assignee
Mitsui Petrochemical 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 Mitsui Petrochemical Industries Ltd filed Critical Mitsui Petrochemical Industries Ltd
Priority to JP8358375A priority Critical patent/JPS528094A/en
Publication of JPS528094A publication Critical patent/JPS528094A/en
Publication of JPS5750804B2 publication Critical patent/JPS5750804B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: A continuous process for preparing a propylene-ethylene block copolymer without quality unevennes by polymerizing propylene and ethylene in three stage by the use of an organoaluminium compound and a transistion metal halide catalyst.
COPYRIGHT: (C)1977,JPO&Japio
JP8358375A 1975-07-09 1975-07-09 Process for preparing propylene- ethylene block copolymers Granted JPS528094A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8358375A JPS528094A (en) 1975-07-09 1975-07-09 Process for preparing propylene- ethylene block copolymers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8358375A JPS528094A (en) 1975-07-09 1975-07-09 Process for preparing propylene- ethylene block copolymers

Publications (2)

Publication Number Publication Date
JPS528094A true JPS528094A (en) 1977-01-21
JPS5750804B2 JPS5750804B2 (en) 1982-10-29

Family

ID=13806502

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8358375A Granted JPS528094A (en) 1975-07-09 1975-07-09 Process for preparing propylene- ethylene block copolymers

Country Status (1)

Country Link
JP (1) JPS528094A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54100706U (en) * 1977-12-27 1979-07-16
JPS54139693A (en) * 1978-04-21 1979-10-30 Sumitomo Chem Co Ltd Preparation of propylene-ethylene block copolymer
JPS5661417A (en) * 1979-10-24 1981-05-26 Sumitomo Chem Co Ltd Preparation of propylene-ethylene block copolymer
JPS5840314A (en) * 1981-09-04 1983-03-09 Mitsui Toatsu Chem Inc Propylene block copolymer composition and its production
US4526931A (en) * 1983-10-31 1985-07-02 Chisso Corporation Whitening-resistant, highly melt-viscoelastic ethylene-propylene copolymer and process for producing the same
US4582878A (en) * 1983-07-26 1986-04-15 Chisso Corporation High-rigidity ethylene-propylene copolymer and process for producing same
US5006600A (en) * 1987-01-24 1991-04-09 Basf Aktiengesellschaft Preparation of propylene/ethylene polymers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0528724Y2 (en) * 1987-02-20 1993-07-23

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54100706U (en) * 1977-12-27 1979-07-16
JPS5757438Y2 (en) * 1977-12-27 1982-12-09
JPS54139693A (en) * 1978-04-21 1979-10-30 Sumitomo Chem Co Ltd Preparation of propylene-ethylene block copolymer
JPS6150084B2 (en) * 1978-04-21 1986-11-01 Sumitomo Chemical Co
JPS5661417A (en) * 1979-10-24 1981-05-26 Sumitomo Chem Co Ltd Preparation of propylene-ethylene block copolymer
JPS5840314A (en) * 1981-09-04 1983-03-09 Mitsui Toatsu Chem Inc Propylene block copolymer composition and its production
JPS6138927B2 (en) * 1981-09-04 1986-09-01 Mitsui Toatsu Chemicals
US4582878A (en) * 1983-07-26 1986-04-15 Chisso Corporation High-rigidity ethylene-propylene copolymer and process for producing same
US4526931A (en) * 1983-10-31 1985-07-02 Chisso Corporation Whitening-resistant, highly melt-viscoelastic ethylene-propylene copolymer and process for producing the same
US5006600A (en) * 1987-01-24 1991-04-09 Basf Aktiengesellschaft Preparation of propylene/ethylene polymers

Also Published As

Publication number Publication date
JPS5750804B2 (en) 1982-10-29

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