JPS649325B2 - - Google Patents

Info

Publication number
JPS649325B2
JPS649325B2 JP17993280A JP17993280A JPS649325B2 JP S649325 B2 JPS649325 B2 JP S649325B2 JP 17993280 A JP17993280 A JP 17993280A JP 17993280 A JP17993280 A JP 17993280A JP S649325 B2 JPS649325 B2 JP S649325B2
Authority
JP
Japan
Prior art keywords
molecular weight
propylene
polymerization
polymer
average molecular
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
JP17993280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57102907A (en
Inventor
Akinobu Shiga
Masahiro Kakugo
Yoshiharu Fukui
Toshio Sasaki
Tsutomu Takahashi
Tatsuya Myatake
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 JP17993280A priority Critical patent/JPS57102907A/ja
Publication of JPS57102907A publication Critical patent/JPS57102907A/ja
Publication of JPS649325B2 publication Critical patent/JPS649325B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
JP17993280A 1980-12-18 1980-12-18 High-crystallinity propylene polymer for injection molding Granted JPS57102907A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17993280A JPS57102907A (en) 1980-12-18 1980-12-18 High-crystallinity propylene polymer for injection molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17993280A JPS57102907A (en) 1980-12-18 1980-12-18 High-crystallinity propylene polymer for injection molding

Publications (2)

Publication Number Publication Date
JPS57102907A JPS57102907A (en) 1982-06-26
JPS649325B2 true JPS649325B2 (pt) 1989-02-17

Family

ID=16074444

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17993280A Granted JPS57102907A (en) 1980-12-18 1980-12-18 High-crystallinity propylene polymer for injection molding

Country Status (1)

Country Link
JP (1) JPS57102907A (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0564004A1 (en) 1989-06-19 1993-10-06 Chisso Corporation A highly stereoregular polypropylene

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3066951D1 (en) * 1979-06-20 1984-04-19 Sumitomo Chemical Co Method for production of highly crystalline olefin polymers
JPS60195109A (ja) * 1984-03-19 1985-10-03 Mitsui Toatsu Chem Inc 高流動性射出成形用ポリプロピレン樹脂
US5215951A (en) * 1987-10-29 1993-06-01 Sumitomo Chemical Company, Limited Process for producing α-olefin polymer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5486586A (en) * 1977-12-23 1979-07-10 Showa Denko Kk Propylene polymer for vacuum and pressure forming
JPS5538833A (en) * 1978-09-12 1980-03-18 Mitsubishi Chem Ind Ltd Polymerization of olefin
JPS584926B2 (ja) * 1978-06-27 1983-01-28 チッソ株式会社 オレフイン重合体の製造方法
JPS559657A (en) * 1978-07-07 1980-01-23 Chisso Corp Preparation of alpha-olefin polymer
JPS5534238A (en) * 1978-08-31 1980-03-10 Chisso Corp Preparation of alpha-olefin polymer
JPS591723B2 (ja) * 1980-01-17 1984-01-13 チッソ株式会社 α−オレフイン重合体を製造する方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0564004A1 (en) 1989-06-19 1993-10-06 Chisso Corporation A highly stereoregular polypropylene

Also Published As

Publication number Publication date
JPS57102907A (en) 1982-06-26

Similar Documents

Publication Publication Date Title
AU777683B2 (en) Components and catalysts for the polymerization of olefins
JP2557054B2 (ja) アルフア−オレフイン重合用触媒組成物
JP5726169B2 (ja) ポリオレフィン触媒のための電子供与体としての二環式有機ケイ素化合物
JP2000516987A (ja) オレフィンの重合用成分および触媒
WO1995010548A1 (en) Process for producing polyethylene having a broad molecular weight distribution
US20070197381A1 (en) Preparation of a magnesium halide support for olefin polymerization and a catalyst composition using the same
JPS649325B2 (pt)
JPH0680091B2 (ja) オレフイン重合触媒の製造方法
EP0579510A2 (en) Propylene polymers and process for preparing the same
CA1339239C (en) Process for the preparation of olefin polymer
US4533706A (en) Catalyst and process using same for producing olefin polymer
JPS5846129B2 (ja) 高結晶性オレフィン重合体の製造法
JPS6347722B2 (pt)
CN110655597A (zh) MgCl2/硅胶载体负载茂金属催化剂的制备方法及应用
US5245019A (en) Olefin polymerization catalyst and process
CN109694430A (zh) 一种氯化镁负载金属有机化合物催化剂、其制备方法及其应用
JPS6036203B2 (ja) プロピレン−エチレンブロツク共重合体の製造方法
KR20150006856A (ko) 에틸렌 중합 방법
KR20010080614A (ko) 에틸렌/프로필렌과 고급 올레핀의 공중합체 중합
JPS5835521B2 (ja) オレフイン重合用触媒
JP2772271B2 (ja) エチレン重合体の製造方法
JPS5835522B2 (ja) α↓−オレフィンの立体規則性重合方法
JPS6349685B2 (pt)
JP2652217B2 (ja) オレフィンの重合法
JP2981262B2 (ja) ポリプロピレンの架橋方法