JPS54145780A - Polymerization of olefin - Google Patents

Polymerization of olefin

Info

Publication number
JPS54145780A
JPS54145780A JP5380078A JP5380078A JPS54145780A JP S54145780 A JPS54145780 A JP S54145780A JP 5380078 A JP5380078 A JP 5380078A JP 5380078 A JP5380078 A JP 5380078A JP S54145780 A JPS54145780 A JP S54145780A
Authority
JP
Japan
Prior art keywords
propylene
polymer
catalyst
titanium trichloride
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.)
Granted
Application number
JP5380078A
Other languages
Japanese (ja)
Other versions
JPS5837323B2 (en
Inventor
Hisashi Yoshimatsu
Eitaro Asaeda
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.)
Tokuyama Corp
Original Assignee
Tokuyama Corp
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 Tokuyama Corp filed Critical Tokuyama Corp
Priority to JP5380078A priority Critical patent/JPS5837323B2/en
Publication of JPS54145780A publication Critical patent/JPS54145780A/en
Publication of JPS5837323B2 publication Critical patent/JPS5837323B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To improve transparency of a propylene polymer with increasing activity of the polymerization catalyst, by alternately feeding propylene and other olefins to a catalyst system to effect the prepolymerization thereof, and by further polymerizing propylene, etc. in the presence of the above catalyst-polymer system.
CONSTITUTION: Propylene and other olefins, e.g. ethylene, etc., are prepolymerized in the presence of a catalyst system comprising titanium trichloride and an organoaluminum compound, e.g. diethylaluminum monochloride, etc., by alternately feeding the monomers to attain a yield of 1 W 100g on the basis of 1g of titanium trichloride. Propylene or its mixture with the other olefin is polymerized in the presence of the above catalyst-polymer system to give a polyolefin. The titanium trichloride is pref. the one giving a polymerization rate of ≥ 2,000g polymer/g. TiCl3/hr.
EFFECT: The yield of the crystalline polymer is increased.
COPYRIGHT: (C)1979,JPO&Japio
JP5380078A 1978-05-08 1978-05-08 Olefin polymerization method Expired JPS5837323B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5380078A JPS5837323B2 (en) 1978-05-08 1978-05-08 Olefin polymerization method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5380078A JPS5837323B2 (en) 1978-05-08 1978-05-08 Olefin polymerization method

Publications (2)

Publication Number Publication Date
JPS54145780A true JPS54145780A (en) 1979-11-14
JPS5837323B2 JPS5837323B2 (en) 1983-08-16

Family

ID=12952883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5380078A Expired JPS5837323B2 (en) 1978-05-08 1978-05-08 Olefin polymerization method

Country Status (1)

Country Link
JP (1) JPS5837323B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0452116U (en) * 1990-09-07 1992-05-01

Also Published As

Publication number Publication date
JPS5837323B2 (en) 1983-08-16

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