IT943857B - Procedimento per la polimerizza zione di olefine - Google Patents

Procedimento per la polimerizza zione di olefine

Info

Publication number
IT943857B
IT943857B IT32265/71A IT3226571A IT943857B IT 943857 B IT943857 B IT 943857B IT 32265/71 A IT32265/71 A IT 32265/71A IT 3226571 A IT3226571 A IT 3226571A IT 943857 B IT943857 B IT 943857B
Authority
IT
Italy
Prior art keywords
olefins
polymerization
procedure
Prior art date
Application number
IT32265/71A
Other languages
English (en)
Inventor
Yamaguchi Kazuo
Yoshida Seiji
Hasuo Masayoshi
Ito Isao
Original Assignee
Mitsubishi Chem Ind
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
Priority claimed from JP11025370A external-priority patent/JPS496829B1/ja
Priority claimed from JP11225770A external-priority patent/JPS4913229B1/ja
Application filed by Mitsubishi Chem Ind filed Critical Mitsubishi Chem Ind
Application granted granted Critical
Publication of IT943857B publication Critical patent/IT943857B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/905—Polymerization in presence of transition metal containing catalyst in presence of hydrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
IT32265/71A 1970-12-11 1971-12-10 Procedimento per la polimerizza zione di olefine IT943857B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11025370A JPS496829B1 (it) 1970-12-11 1970-12-11
JP11225770A JPS4913229B1 (it) 1970-12-15 1970-12-15

Publications (1)

Publication Number Publication Date
IT943857B true IT943857B (it) 1973-04-10

Family

ID=26449926

Family Applications (1)

Application Number Title Priority Date Filing Date
IT32265/71A IT943857B (it) 1970-12-11 1971-12-10 Procedimento per la polimerizza zione di olefine

Country Status (4)

Country Link
US (1) US3767635A (it)
FR (1) FR2117652A5 (it)
GB (1) GB1367145A (it)
IT (1) IT943857B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5035552B2 (it) * 1972-06-24 1975-11-17
US4025707A (en) * 1974-03-28 1977-05-24 Phillips Petroleum Company Mixed hydrocarbyloxide treated catalyst activated at different temperatures
US3947433A (en) * 1974-05-13 1976-03-30 Phillips Petroleum Company Supported chromium oxide catalyst having mixed adjuvant
DE2604550A1 (de) * 1976-02-06 1977-08-11 Basf Ag Verfahren zum herstellen von olefinpolymerisaten
DE2604549A1 (de) * 1976-02-06 1977-08-11 Basf Ag Verfahren zum herstellen von olefinpolymerisaten
US4380616A (en) * 1981-05-14 1983-04-19 The Dow Chemical Company Polymerization of olefins in the presence of chromium-containing catalysts
US20040167015A1 (en) * 2003-02-26 2004-08-26 Cann Kevin J. Production of broad molecular weight polyethylene

Also Published As

Publication number Publication date
GB1367145A (en) 1974-09-18
US3767635A (en) 1973-10-23
FR2117652A5 (it) 1972-07-21

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