JPS5329390A - Preparation of ethylene-propylene block copolymer - Google Patents

Preparation of ethylene-propylene block copolymer

Info

Publication number
JPS5329390A
JPS5329390A JP10371876A JP10371876A JPS5329390A JP S5329390 A JPS5329390 A JP S5329390A JP 10371876 A JP10371876 A JP 10371876A JP 10371876 A JP10371876 A JP 10371876A JP S5329390 A JPS5329390 A JP S5329390A
Authority
JP
Japan
Prior art keywords
ethylene
block copolymer
propylene block
preparation
excellent
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
JP10371876A
Other versions
JPS5745250B2 (en
Inventor
Naomi Inaba
Osamu Komiyama
Tokuo Makishima
Mitsuo Sakaki
Yasushi Watanabe
Original Assignee
Toa Nenryo Kogyo 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 Toa Nenryo Kogyo Kk filed Critical Toa Nenryo Kogyo Kk
Priority to JP10371876A priority Critical patent/JPS5745250B2/ja
Publication of JPS5329390A publication Critical patent/JPS5329390A/en
Publication of JPS5745250B2 publication Critical patent/JPS5745250B2/ja
Application status is Expired legal-status Critical

Links

Abstract

PURPOSE: To prepare an ethylene-propylene block copolymer having excellent rigidity and impact strength, by the use of a polymerization catalyst having excellent polymerizatiion activity composed of TiCl3 and an organo-aluminum compound.
COPYRIGHT: (C)1978,JPO&Japio
JP10371876A 1976-09-01 1976-09-01 Expired JPS5745250B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10371876A JPS5745250B2 (en) 1976-09-01 1976-09-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10371876A JPS5745250B2 (en) 1976-09-01 1976-09-01

Publications (2)

Publication Number Publication Date
JPS5329390A true JPS5329390A (en) 1978-03-18
JPS5745250B2 JPS5745250B2 (en) 1982-09-27

Family

ID=14361461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10371876A Expired JPS5745250B2 (en) 1976-09-01 1976-09-01

Country Status (1)

Country Link
JP (1) JPS5745250B2 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5344858A (en) * 1976-10-05 1978-04-22 Tdk Electronics Co Ltd Ceramic composition for voltage nonnlinear resistors
FR2435487A1 (en) * 1978-05-22 1980-04-04 Sumitomo Chemical Co Method for producing propylene-ethylene block copolymers
JPS5580418A (en) * 1978-12-12 1980-06-17 Chisso Corp Preparation of propylene-ethylene block copolymer
JPS55137116A (en) * 1979-04-11 1980-10-25 Mitsubishi Petrochem Co Ltd Propylene block copolymer and production thereof
JPS5798519A (en) * 1980-12-12 1982-06-18 Chisso Corp Production of modified polypropylene
JPS57111307A (en) * 1980-06-02 1982-07-10 Hercules Inc 1-olefin polymerization
JPS57147508A (en) * 1981-03-06 1982-09-11 Mitsubishi Chem Ind Ltd Preparation of propylene-ethylene block copolymer
WO1984001578A1 (en) * 1979-08-01 1984-04-26 Hisaya Sakurai Catalyst for polymerization of olefin and process for producing polyolefin using said catalyst
EP0700943A1 (en) 1994-08-18 1996-03-13 Chisso Corporation A highly stiff propylene-ethylene block copolymer composition and a process for producing the same
US5854355A (en) * 1995-04-24 1998-12-29 Chisso Corporation Continuous process for preparation of highly rigid propylene-ethylene block copolymers

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5344858A (en) * 1976-10-05 1978-04-22 Tdk Electronics Co Ltd Ceramic composition for voltage nonnlinear resistors
FR2435487A1 (en) * 1978-05-22 1980-04-04 Sumitomo Chemical Co Method for producing propylene-ethylene block copolymers
JPS5580418A (en) * 1978-12-12 1980-06-17 Chisso Corp Preparation of propylene-ethylene block copolymer
JPS6223768B2 (en) * 1978-12-12 1987-05-25 Chisso Corp
JPS55137116A (en) * 1979-04-11 1980-10-25 Mitsubishi Petrochem Co Ltd Propylene block copolymer and production thereof
JPS6228808B2 (en) * 1979-04-11 1987-06-23 Mitsubishi Petrochemical Co
WO1984001578A1 (en) * 1979-08-01 1984-04-26 Hisaya Sakurai Catalyst for polymerization of olefin and process for producing polyolefin using said catalyst
JPS57111307A (en) * 1980-06-02 1982-07-10 Hercules Inc 1-olefin polymerization
JPS5798519A (en) * 1980-12-12 1982-06-18 Chisso Corp Production of modified polypropylene
JPS6351170B2 (en) * 1980-12-12 1988-10-13 Chisso Corp
JPS57147508A (en) * 1981-03-06 1982-09-11 Mitsubishi Chem Ind Ltd Preparation of propylene-ethylene block copolymer
JPH0244846B2 (en) * 1981-03-06 1990-10-05 Mitsubishi Chem Ind
EP0700943A1 (en) 1994-08-18 1996-03-13 Chisso Corporation A highly stiff propylene-ethylene block copolymer composition and a process for producing the same
US5672658A (en) * 1994-08-18 1997-09-30 Chisso Corporation Highly stiff propylene-ethylene block copolymer composition and a process for producing the same
US5854355A (en) * 1995-04-24 1998-12-29 Chisso Corporation Continuous process for preparation of highly rigid propylene-ethylene block copolymers

Also Published As

Publication number Publication date
JPS5745250B2 (en) 1982-09-27

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