JPS523684A - Process for preparing ropylene copolymer - Google Patents

Process for preparing ropylene copolymer

Info

Publication number
JPS523684A
JPS523684A JP7945175A JP7945175A JPS523684A JP S523684 A JPS523684 A JP S523684A JP 7945175 A JP7945175 A JP 7945175A JP 7945175 A JP7945175 A JP 7945175A JP S523684 A JPS523684 A JP S523684A
Authority
JP
Japan
Prior art keywords
preparing
copolymer
ropylene
ropylene copolymer
polymerizing
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
JP7945175A
Other languages
Japanese (ja)
Other versions
JPS606965B2 (en
Inventor
Kiwamu Hirota
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko 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 Showa Denko KK filed Critical Showa Denko KK
Priority to JP7945175A priority Critical patent/JPS606965B2/en
Publication of JPS523684A publication Critical patent/JPS523684A/en
Publication of JPS606965B2 publication Critical patent/JPS606965B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Polymerisation Methods In General (AREA)
  • Graft Or Block Polymers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

PURPOSE: A process for preparing an ethylene-propylene copolymer with improved moldability, impact resistance and high rigidity by polymerizing without solvent by the use of a specified stereoregular polymerization catalyst in two stages.
COPYRIGHT: (C)1977,JPO&Japio
JP7945175A 1975-06-27 1975-06-27 Production method of propylene copolymer Expired JPS606965B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7945175A JPS606965B2 (en) 1975-06-27 1975-06-27 Production method of propylene copolymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7945175A JPS606965B2 (en) 1975-06-27 1975-06-27 Production method of propylene copolymer

Publications (2)

Publication Number Publication Date
JPS523684A true JPS523684A (en) 1977-01-12
JPS606965B2 JPS606965B2 (en) 1985-02-21

Family

ID=13690236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7945175A Expired JPS606965B2 (en) 1975-06-27 1975-06-27 Production method of propylene copolymer

Country Status (1)

Country Link
JP (1) JPS606965B2 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52107532U (en) * 1977-01-13 1977-08-16
JPS5424995A (en) * 1977-07-27 1979-02-24 Showa Denko Kk Production of propylene copolymer
JPS5531801A (en) * 1978-08-25 1980-03-06 Mitsubishi Petrochem Co Ltd Pigment-containing polyolefin composition
JPS55118906A (en) * 1979-03-08 1980-09-12 Sumitomo Chem Co Ltd Polypropylene having high melt elasticity
JPS56815A (en) * 1979-05-24 1981-01-07 Nippon Oil Co Ltd Preparation of polyolefin
JPS5638309A (en) * 1979-09-07 1981-04-13 Mitsui Toatsu Chem Inc Propylene copolymer for forming film
JPS5661416A (en) * 1979-10-24 1981-05-26 Sumitomo Chem Co Ltd Preparation of propylene-ethylene block copolymer
JPS5670014A (en) * 1979-11-13 1981-06-11 Mitsui Toatsu Chem Inc Propylene copolymer for forming sheet
JPS63280704A (en) * 1987-04-24 1988-11-17 ソルヴェイ　ポリオレフィンズ　ユーロープ　ベルギウム Stereospecific polymerization of alpha-olefin and catalyst therefor
JPH02114755A (en) * 1988-10-25 1990-04-26 Nissei Oputo Kk Acoustic coupler

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS547708Y2 (en) * 1977-01-13 1979-04-10
JPS52107532U (en) * 1977-01-13 1977-08-16
JPS5424995A (en) * 1977-07-27 1979-02-24 Showa Denko Kk Production of propylene copolymer
JPS6014765B2 (en) * 1977-07-27 1985-04-16 昭和電工株式会社 Production method of propylene copolymer
JPS6214576B2 (en) * 1978-08-25 1987-04-02 Mitsubishi Petrochemical Co
JPS5531801A (en) * 1978-08-25 1980-03-06 Mitsubishi Petrochem Co Ltd Pigment-containing polyolefin composition
JPS55118906A (en) * 1979-03-08 1980-09-12 Sumitomo Chem Co Ltd Polypropylene having high melt elasticity
JPS56815A (en) * 1979-05-24 1981-01-07 Nippon Oil Co Ltd Preparation of polyolefin
JPS619964B2 (en) * 1979-05-24 1986-03-27 Nippon Oil Co Ltd
JPS5638309A (en) * 1979-09-07 1981-04-13 Mitsui Toatsu Chem Inc Propylene copolymer for forming film
JPH0113487B2 (en) * 1979-09-07 1989-03-07 Mitsui Toatsu Chemicals
JPS6215086B2 (en) * 1979-10-24 1987-04-06 Sumitomo Chemical Co
JPS5661416A (en) * 1979-10-24 1981-05-26 Sumitomo Chem Co Ltd Preparation of propylene-ethylene block copolymer
JPS5670014A (en) * 1979-11-13 1981-06-11 Mitsui Toatsu Chem Inc Propylene copolymer for forming sheet
JPS6227091B2 (en) * 1979-11-13 1987-06-12 Mitsui Toatsu Chemicals
JPS63280704A (en) * 1987-04-24 1988-11-17 ソルヴェイ　ポリオレフィンズ　ユーロープ　ベルギウム Stereospecific polymerization of alpha-olefin and catalyst therefor
JPH02114755A (en) * 1988-10-25 1990-04-26 Nissei Oputo Kk Acoustic coupler

Also Published As

Publication number Publication date
JPS606965B2 (en) 1985-02-21

Similar Documents

Publication Publication Date Title
JPS51148788A (en) A process for preparing hydrophilic polymers
JPS523684A (en) Process for preparing ropylene copolymer
JPS526791A (en) Process for preparing new phenolic copolymers
JPS55115417A (en) Manufacture of propylene copolymer
JPS5272744A (en) Polyprooylene composition wityh good transparency and impact resistanc e
JPS5215588A (en) Process for polymerizing liquid olefin polymers
JPS5219790A (en) Process for the preparation of ethylene polymer
JPS5424995A (en) Production of propylene copolymer
JPS5329390A (en) Preparation of ethylene-propylene block copolymer
JPS5239741A (en) Polyolfin compositions
JPS528094A (en) Process for preparing propylene- ethylene block copolymers
JPS5335789A (en) Preparation of propylene-ethylene copolymer
JPS51145592A (en) A process for preparing graft polymer based on fluorine-containing bac kbone polymer
JPS5242592A (en) Process for preparing styene-acrylonitrile copolymers
JPS51148790A (en) A process for producing thermoplastic resins
JPS5352592A (en) Continuous productin of rubbver-reinforced thermoplastic resin
JPS5438389A (en) Preparation of highly crystalline polyolefin
JPS5253992A (en) Process for producing propylene copolymers
JPS5271588A (en) Production of acrylonitrile copolymer
JPS51131587A (en) A process for polymerizing acrylonitrile
JPS51125495A (en) A process for producing high-impact resins with improved moldability
JPS5224294A (en) Process for preparing acrylamide polymers
JPS51146591A (en) A process for preparing water-soluble high polymers with improved stab ility
JPS5232984A (en) Process for the polymerization of water-soluble vinyl compound
JPS523643A (en) Polyvinyl chloride compositions