IT1081549B - Procedimento per la polimerizzazione di etilene e/o alfa-olefine,e catalizzatore relativo - Google Patents

Procedimento per la polimerizzazione di etilene e/o alfa-olefine,e catalizzatore relativo

Info

Publication number
IT1081549B
IT1081549B IT25721/77A IT2572177A IT1081549B IT 1081549 B IT1081549 B IT 1081549B IT 25721/77 A IT25721/77 A IT 25721/77A IT 2572177 A IT2572177 A IT 2572177A IT 1081549 B IT1081549 B IT 1081549B
Authority
IT
Italy
Prior art keywords
olefine
alfa
polymerization
ethylene
procedure
Prior art date
Application number
IT25721/77A
Other languages
English (en)
Inventor
Tetsuya Iwao
Heizo Sasaki
Akira Ito
Masahiro Kono
Original Assignee
Mitsui Toatsu Chemicals
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 JP8350576A external-priority patent/JPS5840568B2/ja
Priority claimed from JP8350476A external-priority patent/JPS5840567B2/ja
Application filed by Mitsui Toatsu Chemicals filed Critical Mitsui Toatsu Chemicals
Application granted granted Critical
Publication of IT1081549B publication Critical patent/IT1081549B/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
    • Y10S526/903—Monomer polymerized in presence of transition metal containing catalyst and hydrocarbon additive affecting polymer properties of catalyst activity
    • 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
    • Y10S526/906—Comminution of transition metal containing catalyst
IT25721/77A 1976-07-15 1977-07-14 Procedimento per la polimerizzazione di etilene e/o alfa-olefine,e catalizzatore relativo IT1081549B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8350576A JPS5840568B2 (ja) 1976-07-15 1976-07-15 エチレンまたはα−オレフイン類の重合方法
JP8350476A JPS5840567B2 (ja) 1976-07-15 1976-07-15 重合触媒成分の製造法

Publications (1)

Publication Number Publication Date
IT1081549B true IT1081549B (it) 1985-05-21

Family

ID=26424529

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25721/77A IT1081549B (it) 1976-07-15 1977-07-14 Procedimento per la polimerizzazione di etilene e/o alfa-olefine,e catalizzatore relativo

Country Status (13)

Country Link
US (1) US4158088A (it)
AT (1) AT360752B (it)
BR (1) BR7704640A (it)
CA (1) CA1093543A (it)
CS (1) CS201050B2 (it)
DE (1) DE2731705A1 (it)
FR (1) FR2358426A1 (it)
GB (1) GB1558121A (it)
GR (1) GR63592B (it)
IT (1) IT1081549B (it)
NL (1) NL7707882A (it)
PT (1) PT66801B (it)
YU (1) YU39496B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56133303A (en) * 1980-03-22 1981-10-19 Chisso Corp Production of alpha-olefin polymer
US4410671A (en) * 1980-08-12 1983-10-18 Phillips Petroleum Company Catalyst, method of producing the catalyst, and polymerization process employing the catalyst
US4405769A (en) * 1980-08-12 1983-09-20 Capshew Charles E Catalyst, method of producing the catalyst, and polymerization process employing the catalyst
EP3749707A1 (en) 2018-02-05 2020-12-16 ExxonMobil Chemical Patents Inc. Enhanced processability of lldpe by addition of ultra-high molecular weight high density polyethylene

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3004962A (en) * 1957-05-27 1961-10-17 Hercules Powder Co Ltd Process for polymerization of 1-olefins
FR1324429A (fr) * 1962-03-09 1963-04-19 Grace W R & Co Perfectionnements apportés aux catalyseurs pour la polymérisation du propylène, aux procédés pour leur préparation et leur utilisation, et aux polypropylènes de haut poids moléculaire ainsi obtenus
DE1570919B2 (de) * 1963-11-05 1970-12-17 Mitsui Toatsu Chemicals, Inc., Tokio Verfahren zur Herstellung von Horao- oder Mischpolymerisaten des Propylens. °
GB1300734A (en) * 1968-10-24 1972-12-20 Shell Int Research Improvements in or relating to the catalytic polymerisation of olefins
US3701763A (en) * 1969-10-20 1972-10-31 Mitsui Petrochemical Ind Process for polymerization of olefins and catalysts therefor
US3850899A (en) * 1970-06-15 1974-11-26 Mitsui Petrochemical Ind Process for polymerizing olefins and catalyst therefor
NL7107362A (it) * 1971-05-28 1972-11-30
IT1033469B (it) * 1974-03-06 1979-07-10 Toyo Stauffer Chem Co Procedimento per la polimerizzazione o copolimerizzazione dia alfa olefine

Also Published As

Publication number Publication date
FR2358426A1 (fr) 1978-02-10
ATA481477A (de) 1980-06-15
FR2358426B1 (it) 1984-03-16
CS201050B2 (en) 1980-10-31
BR7704640A (pt) 1978-03-28
YU39496B (en) 1984-12-31
DE2731705A1 (de) 1978-01-19
PT66801A (en) 1977-08-01
GB1558121A (en) 1979-12-19
US4158088A (en) 1979-06-12
PT66801B (en) 1978-12-20
NL7707882A (nl) 1978-01-17
CA1093543A (en) 1981-01-13
AT360752B (de) 1981-01-26
YU175377A (en) 1982-08-31
GR63592B (en) 1979-11-26

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