JPS562307A - Preparation of highly crystalline olefin polymer - Google Patents
Preparation of highly crystalline olefin polymerInfo
- Publication number
- JPS562307A JPS562307A JP7860479A JP7860479A JPS562307A JP S562307 A JPS562307 A JP S562307A JP 7860479 A JP7860479 A JP 7860479A JP 7860479 A JP7860479 A JP 7860479A JP S562307 A JPS562307 A JP S562307A
- Authority
- JP
- Japan
- Prior art keywords
- molecular weight
- compound
- highly crystalline
- olefin polymer
- hydrocarbon
- 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
Links
Abstract
PURPOSE: To prepare a highly crystalline olefin polymer having high stereoregularity and a broad molecular weight distribution, and useful for extrusion molding, etc., by carrying out the polymerization of an olefin in the presence of a highly active catalyst comprising a titanium halide, a specific organoaluminum compound and an electron donative compound.
CONSTITUTION: Polyolefins having broad molecular weight distributions expressed by the curve (a) and (b) are prepared by polymerizing olefins (e.g. propylene) in the presence of a catalyst system comprising (A) a titanium halide (e.g. titanium tetrachloride), (B) an aluminum alkoxide compound expressed by the formula (R1 or H or 1W18C hydrocarbon; R2 is 1W18C hydrocarbon; X is halogen; 0<m<2, 0≤n<2 and 0<m+n≤2) and (C) an electron donative compound (e.g. ethyl benzoate). The curve (c) exhibits the molecular weight distribution of a polymer prepared by using diethylaluminum chloride in place of the component (B).
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7860479A JPS562307A (en) | 1979-06-20 | 1979-06-20 | Preparation of highly crystalline olefin polymer |
EP80302004A EP0021753B1 (en) | 1979-06-20 | 1980-06-16 | Method for production of highly crystalline olefin polymers |
DE8080302004T DE3066951D1 (en) | 1979-06-20 | 1980-06-16 | Method for production of highly crystalline olefin polymers |
CA000354380A CA1138409A (en) | 1979-06-20 | 1980-06-19 | Catalyst system for olefin polymerization and method for production of olefin polymers by using the same |
BR8003873A BR8003873A (en) | 1979-06-20 | 1980-06-20 | PROCESS FOR THE PRODUCTION OF HIGHLY CRYSTALLINE OLEPHINE POLYMERS |
US07/287,491 US5026889A (en) | 1979-06-20 | 1988-12-21 | Catalyst system for olefin polymerization and method for production of olefin polymers by using the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7860479A JPS562307A (en) | 1979-06-20 | 1979-06-20 | Preparation of highly crystalline olefin polymer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS562307A true JPS562307A (en) | 1981-01-12 |
JPS6347722B2 JPS6347722B2 (en) | 1988-09-26 |
Family
ID=13666489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7860479A Granted JPS562307A (en) | 1979-06-20 | 1979-06-20 | Preparation of highly crystalline olefin polymer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS562307A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58104907A (en) * | 1981-12-17 | 1983-06-22 | Chisso Corp | Polypropylene for molded article having high rigidity and its preparation |
JPS58118840A (en) * | 1982-01-07 | 1983-07-15 | Mitsui Toatsu Chem Inc | Polypropylene resin composition for oriented film having improved electrical properties |
JPS58219207A (en) * | 1982-06-15 | 1983-12-20 | Chisso Corp | Polypropylene having high rigidity and melt viscoelasticity and preparation thereof |
JPS59221310A (en) * | 1983-05-31 | 1984-12-12 | Mitsui Toatsu Chem Inc | Polypropylene resin composition for orientated film |
JPH02173139A (en) * | 1988-12-27 | 1990-07-04 | Tokuyama Soda Co Ltd | Polypropylene composition |
US5141994A (en) * | 1988-11-04 | 1992-08-25 | Sumitomo Chemical Co., Ltd. | Crystalline polypropylene and crystalline polypropylene composition |
-
1979
- 1979-06-20 JP JP7860479A patent/JPS562307A/en active Granted
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58104907A (en) * | 1981-12-17 | 1983-06-22 | Chisso Corp | Polypropylene for molded article having high rigidity and its preparation |
JPH0148922B2 (en) * | 1981-12-17 | 1989-10-23 | Chisso Corp | |
JPS58118840A (en) * | 1982-01-07 | 1983-07-15 | Mitsui Toatsu Chem Inc | Polypropylene resin composition for oriented film having improved electrical properties |
JPH0312562B2 (en) * | 1982-01-07 | 1991-02-20 | Mitsui Toatsu Chemicals | |
JPS58219207A (en) * | 1982-06-15 | 1983-12-20 | Chisso Corp | Polypropylene having high rigidity and melt viscoelasticity and preparation thereof |
JPS59221310A (en) * | 1983-05-31 | 1984-12-12 | Mitsui Toatsu Chem Inc | Polypropylene resin composition for orientated film |
JPH0348926B2 (en) * | 1983-05-31 | 1991-07-26 | Mitsui Toatsu Chemicals | |
US5141994A (en) * | 1988-11-04 | 1992-08-25 | Sumitomo Chemical Co., Ltd. | Crystalline polypropylene and crystalline polypropylene composition |
JPH02173139A (en) * | 1988-12-27 | 1990-07-04 | Tokuyama Soda Co Ltd | Polypropylene composition |
Also Published As
Publication number | Publication date |
---|---|
JPS6347722B2 (en) | 1988-09-26 |
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