JPS5335788A - Preparation of propylene-ethylene copolymer - Google Patents

Preparation of propylene-ethylene copolymer

Info

Publication number
JPS5335788A
JPS5335788A JP10979476A JP10979476A JPS5335788A JP S5335788 A JPS5335788 A JP S5335788A JP 10979476 A JP10979476 A JP 10979476A JP 10979476 A JP10979476 A JP 10979476A JP S5335788 A JPS5335788 A JP S5335788A
Authority
JP
Japan
Prior art keywords
propylene
ethylene copolymer
preparation
ethylene
copolymerization
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.)
Pending
Application number
JP10979476A
Other languages
Japanese (ja)
Inventor
Yoshinori Takamura
Tetsunosuke Shiomura
Kiyoyuki Kitamura
Fumihiko Yuasa
Kunio Kodama
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP10979476A priority Critical patent/JPS5335788A/en
Publication of JPS5335788A publication Critical patent/JPS5335788A/en
Pending legal-status Critical Current

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  • Graft Or Block Polymers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

PURPOSE:To prepare a propylene-ethylene copolymer is high yield with good rigidity, transparency and low-temperature impact strength, by effecting polymerization of a part of propylene in the first step, and then copolymerization of ethylene.
JP10979476A 1976-09-16 1976-09-16 Preparation of propylene-ethylene copolymer Pending JPS5335788A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10979476A JPS5335788A (en) 1976-09-16 1976-09-16 Preparation of propylene-ethylene copolymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10979476A JPS5335788A (en) 1976-09-16 1976-09-16 Preparation of propylene-ethylene copolymer

Publications (1)

Publication Number Publication Date
JPS5335788A true JPS5335788A (en) 1978-04-03

Family

ID=14519379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10979476A Pending JPS5335788A (en) 1976-09-16 1976-09-16 Preparation of propylene-ethylene copolymer

Country Status (1)

Country Link
JP (1) JPS5335788A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57149309A (en) * 1981-03-13 1982-09-14 Mitsui Toatsu Chem Inc Production of propylene/ethylene copolymer
JPS60215048A (en) * 1984-04-09 1985-10-28 Mitsubishi Petrochem Co Ltd Polypropylene resin composition
JPS61271315A (en) * 1985-05-24 1986-12-01 Mitsubishi Petrochem Co Ltd Propylene/ethylene copolymer
JP2002536511A (en) * 1999-02-12 2002-10-29 ボレアリス テクノロジー オイ Multi-stage process for the production of α-olefin polymers with controlled stereoregularity and products produced by the process
JP2013503242A (en) * 2009-08-28 2013-01-31 ケムチュア コーポレイション Method and system for two-stage formation of high viscosity poly α-olefin

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57149309A (en) * 1981-03-13 1982-09-14 Mitsui Toatsu Chem Inc Production of propylene/ethylene copolymer
JPH0312086B2 (en) * 1981-03-13 1991-02-19 Mitsui Toatsu Chemicals
JPS60215048A (en) * 1984-04-09 1985-10-28 Mitsubishi Petrochem Co Ltd Polypropylene resin composition
JPH0432861B2 (en) * 1984-04-09 1992-06-01 Mitsubishi Petrochemical Co
JPS61271315A (en) * 1985-05-24 1986-12-01 Mitsubishi Petrochem Co Ltd Propylene/ethylene copolymer
JP2002536511A (en) * 1999-02-12 2002-10-29 ボレアリス テクノロジー オイ Multi-stage process for the production of α-olefin polymers with controlled stereoregularity and products produced by the process
JP2013503242A (en) * 2009-08-28 2013-01-31 ケムチュア コーポレイション Method and system for two-stage formation of high viscosity poly α-olefin

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