JPS629247B2 - - Google Patents

Info

Publication number
JPS629247B2
JPS629247B2 JP13793179A JP13793179A JPS629247B2 JP S629247 B2 JPS629247 B2 JP S629247B2 JP 13793179 A JP13793179 A JP 13793179A JP 13793179 A JP13793179 A JP 13793179A JP S629247 B2 JPS629247 B2 JP S629247B2
Authority
JP
Japan
Prior art keywords
ethylene
propylene
weight
stage
polymerization
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.)
Expired
Application number
JP13793179A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5661418A (en
Inventor
Noryuki Sekine
Shinichi Saito
Shigeo Tanaka
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP13793179A priority Critical patent/JPS5661418A/ja
Publication of JPS5661418A publication Critical patent/JPS5661418A/ja
Publication of JPS629247B2 publication Critical patent/JPS629247B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Graft Or Block Polymers (AREA)
JP13793179A 1979-10-24 1979-10-24 Preparation of improved propylene-ethylene block copolymer Granted JPS5661418A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13793179A JPS5661418A (en) 1979-10-24 1979-10-24 Preparation of improved propylene-ethylene block copolymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13793179A JPS5661418A (en) 1979-10-24 1979-10-24 Preparation of improved propylene-ethylene block copolymer

Publications (2)

Publication Number Publication Date
JPS5661418A JPS5661418A (en) 1981-05-26
JPS629247B2 true JPS629247B2 (2) 1987-02-27

Family

ID=15210027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13793179A Granted JPS5661418A (en) 1979-10-24 1979-10-24 Preparation of improved propylene-ethylene block copolymer

Country Status (1)

Country Link
JP (1) JPS5661418A (2)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5767611A (en) * 1980-10-15 1982-04-24 Mitsubishi Petrochem Co Ltd Preparation of propylene copolymer
JPS58162621A (ja) * 1982-03-23 1983-09-27 Mitsubishi Petrochem Co Ltd オレフィンブロック共重合体の製造法
EP1209179B1 (en) * 2000-03-31 2005-11-02 Mitsui Chemicals, Inc. Processes for producing polyolefin composition
JP7524002B2 (ja) * 2019-12-24 2024-07-29 住友化学株式会社 ヘテロファジックプロピレン重合材料およびその利用

Also Published As

Publication number Publication date
JPS5661418A (en) 1981-05-26

Similar Documents

Publication Publication Date Title
US3873642A (en) Crystalline olefin block polymers and their preparation
US4736002A (en) Novel propylene polymerization process
JP2003516451A (ja) 非晶質ポリマーと結晶質ポリマーとの架橋型ブレンド物及びその利用方法
JP2003516452A (ja) 非晶質ポリマーと結晶質ポリマーとの架橋型ブレンド物の調製方法
US4859757A (en) Novel propylene polymers
US4039632A (en) Preparation of block copolymers
US3974236A (en) Process for producing modified polypropylene
US5229477A (en) Process for producing ethylene-propylene-diene monomer terpolymer
US3981849A (en) Low pressure process for the production of low density co- and terpolymers of ethylene
US3862101A (en) Acrylate and methacrylate terminated polydiene macromolecular monomers having a substantially uniform molecular weight distribution
JPS6150084B2 (2)
JPS629247B2 (2)
JPH0122284B2 (2)
CA1339025C (en) Block copolymer of propylene and a process for the production thereof
US3342793A (en) Polymerization of alpha-olefins in the presence of ticl3.1/3alcl3, alkali metal and an alkyl phosphoramide or sulfuric amide
JP2923026B2 (ja) ブテン―１の共重合体及びそれを含有する樹脂組成物
US3287335A (en) Polymerization of olefin with polar monomers in the presence of ziegler type catalyst systems
JPH0558020B2 (2)
US3000870A (en) Alkyl and aryl bis (cyclopentadienyl) titanium-titanium tetrachloride polymerization catalysts and process for polymerizing olefins therewith
GB1281829A (en) Process for the preparation of ethylene polymer or copolymer
JPS6226328B2 (2)
JPS6259129B2 (2)
CA2058530A1 (en) Ethylene-propylene copolymer compositions
JPS643889B2 (2)
JPS5941316A (ja) プロピレン−エチレンブロツク共重合体及びその製造法