JPS57102907A - High-crystallinity propylene polymer for injection molding - Google Patents

High-crystallinity propylene polymer for injection molding

Info

Publication number
JPS57102907A
JPS57102907A JP17993280A JP17993280A JPS57102907A JP S57102907 A JPS57102907 A JP S57102907A JP 17993280 A JP17993280 A JP 17993280A JP 17993280 A JP17993280 A JP 17993280A JP S57102907 A JPS57102907 A JP S57102907A
Authority
JP
Japan
Prior art keywords
injection molding
titanium
propylene polymer
halide
electron
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
JP17993280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS649325B2 (enrdf_load_stackoverflow
Inventor
Akinobu Shiga
Masahiro Kakugo
Yoshiharu Fukui
Toshio Sasaki
Tsutomu Takahashi
Tatsuya Miyatake
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 true JPS57102907A (en) 1982-06-26
JPS649325B2 JPS649325B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5026889A (en) * 1979-06-20 1991-06-25 Sumitomo Chemical Company, Limited Catalyst system for olefin polymerization and method for production of olefin polymers by using the same
US5215951A (en) * 1987-10-29 1993-06-01 Sumitomo Chemical Company, Limited Process for producing α-olefin polymer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2018829C (en) 1989-06-19 1996-06-11 Jun Saito Process for producing a high-stiffness polypropylene and a highly stereoregular polypropylene

Citations (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
JPS555931A (en) * 1978-06-27 1980-01-17 Chisso Corp Preparation of olefin polymer
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
JPS5538833A (en) * 1978-09-12 1980-03-18 Mitsubishi Chem Ind Ltd Polymerization of olefin
JPS56100806A (en) * 1980-01-17 1981-08-13 Chisso Corp Preparation of alpha-olefin polymer

Patent Citations (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
JPS555931A (en) * 1978-06-27 1980-01-17 Chisso Corp Preparation of olefin polymer
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
JPS5538833A (en) * 1978-09-12 1980-03-18 Mitsubishi Chem Ind Ltd Polymerization of olefin
JPS56100806A (en) * 1980-01-17 1981-08-13 Chisso Corp Preparation of alpha-olefin polymer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5026889A (en) * 1979-06-20 1991-06-25 Sumitomo Chemical Company, Limited Catalyst system for olefin polymerization and method for production of olefin polymers by using the same
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

Also Published As

Publication number Publication date
JPS649325B2 (enrdf_load_stackoverflow) 1989-02-17

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