JPS6247448B2 - - Google Patents

Info

Publication number
JPS6247448B2
JPS6247448B2 JP18300781A JP18300781A JPS6247448B2 JP S6247448 B2 JPS6247448 B2 JP S6247448B2 JP 18300781 A JP18300781 A JP 18300781A JP 18300781 A JP18300781 A JP 18300781A JP S6247448 B2 JPS6247448 B2 JP S6247448B2
Authority
JP
Japan
Prior art keywords
chromium oxide
chromium
ethylene
less
catalyst
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
JP18300781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5884806A (ja
Inventor
Osamu Komyama
Yukio Ito
Chihiro Imai
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.)
Tonen Chemical Corp
Original Assignee
Tonen Sekiyu Kagaku 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 Tonen Sekiyu Kagaku KK filed Critical Tonen Sekiyu Kagaku KK
Priority to JP18300781A priority Critical patent/JPS5884806A/ja
Publication of JPS5884806A publication Critical patent/JPS5884806A/ja
Publication of JPS6247448B2 publication Critical patent/JPS6247448B2/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)
JP18300781A 1981-11-17 1981-11-17 ポリエチレンの製造方法 Granted JPS5884806A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18300781A JPS5884806A (ja) 1981-11-17 1981-11-17 ポリエチレンの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18300781A JPS5884806A (ja) 1981-11-17 1981-11-17 ポリエチレンの製造方法

Publications (2)

Publication Number Publication Date
JPS5884806A JPS5884806A (ja) 1983-05-21
JPS6247448B2 true JPS6247448B2 (ko) 1987-10-08

Family

ID=16128108

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18300781A Granted JPS5884806A (ja) 1981-11-17 1981-11-17 ポリエチレンの製造方法

Country Status (1)

Country Link
JP (1) JPS5884806A (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6989344B2 (en) * 2002-12-27 2006-01-24 Univation Technologies, Llc Supported chromium oxide catalyst for the production of broad molecular weight polyethylene
CN102448999B (zh) * 2009-06-26 2015-01-21 日本聚乙烯株式会社 聚乙烯系树脂、其制造用催化剂及制造方法、以及包含聚乙烯系树脂的中空塑料成形品及其用途

Also Published As

Publication number Publication date
JPS5884806A (ja) 1983-05-21

Similar Documents

Publication Publication Date Title
US6294494B1 (en) Olefin polymerization processes and products thereof
AU692985B2 (en) Borabenzene based olefin polymerization catalysts
CA1141365A (en) Polymerization catalyst and method
EP0166157B1 (en) Silicon and/or fluorine treated alumina
EP0514594B1 (en) Catalyst composition and process for preparing polymers having multimodal molecular weight distribution
CA1263368A (en) Polymerization catalyst, production and use
JP3759954B2 (ja) 触媒組成物
EP0447722B1 (en) Zirconium-based catalyst composition for polymerizing olefins
US4833111A (en) Catalyst composition for polymerizing alpha-olefin polymers of narrow molecular weight distribution
EP0187495A1 (en) Polymerization catalyst, production and use
EP0729478B1 (en) A catalyst composition for the copolymerization of ethylene
WO1999049970A1 (en) Polymerization catalysts and processes therefor
US6180731B1 (en) Polymerisates of ethylene with a high degree of resistance to stress crack, and a catalyst system for the production thereof
EP0905147A1 (en) Catalysts for polyethylene production and use thereof
CN106467583B (zh) 一种用于乙烯聚合的催化剂组分、其制备方法及应用
WO2003059968A1 (en) Preparation of ultra-high-molecular-weight polyethylene
US6232255B1 (en) Olefin polymerization catalyst system
JPS6247448B2 (ko)
US6194527B1 (en) Process for making polyolefins
US6380329B1 (en) Polymerization catalysts and processes therefor
JP4089968B2 (ja) 新規の触媒組成物およびそれを用いたオレフィン重合およびアルファオレフィンとのオレフィン共重合のための方法
KR100532071B1 (ko) 분자량분포에서 고분자 테일을 갖는 에틸렌 중합체 및 공중합체 제조방법
US3888834A (en) Process for preparing improved ethylene copolymer
EP0905148B1 (en) Catalysts for polyethylene production and use thereof
JPH0725806B2 (ja) オレフイン重合用触媒成分