BE850844A - Modification cristalline du chlorure de magnesium anhydre - Google Patents

Modification cristalline du chlorure de magnesium anhydre

Info

Publication number
BE850844A
BE850844A BE174453A BE174453A BE850844A BE 850844 A BE850844 A BE 850844A BE 174453 A BE174453 A BE 174453A BE 174453 A BE174453 A BE 174453A BE 850844 A BE850844 A BE 850844A
Authority
BE
Belgium
Prior art keywords
anhydrous magnesium
magnesium chloride
crystalline modification
crystalline
modification
Prior art date
Application number
BE174453A
Other languages
English (en)
French (fr)
Inventor
E Albizzati
I Bassi
G Foschini
S Parodi
F Pirinoli
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Publication of BE850844A publication Critical patent/BE850844A/xx

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
    • C08F4/00—Polymerisation catalysts
    • C08F4/02—Carriers therefor
    • C08F4/022—Magnesium halide as support anhydrous or hydrated or complexed by means of a Lewis base for Ziegler-type catalysts
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F5/00—Compounds of magnesium
    • C01F5/26—Magnesium halides
    • C01F5/30—Chlorides
    • C01F5/34—Dehydrating magnesium chloride containing water of crystallisation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Catalysts (AREA)
  • Polymerization Catalysts (AREA)
BE174453A 1976-01-30 1977-01-28 Modification cristalline du chlorure de magnesium anhydre BE850844A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19749/76A IT1054584B (it) 1976-01-30 1976-01-30 Modificazione cristallina del cloruro di magnesio anidro

Publications (1)

Publication Number Publication Date
BE850844A true BE850844A (fr) 1977-07-28

Family

ID=11160905

Family Applications (1)

Application Number Title Priority Date Filing Date
BE174453A BE850844A (fr) 1976-01-30 1977-01-28 Modification cristalline du chlorure de magnesium anhydre

Country Status (9)

Country Link
US (1) US4401641A (ar)
JP (2) JPS6058167B2 (ar)
BE (1) BE850844A (ar)
CA (1) CA1093787A (ar)
DE (1) DE2703557A1 (ar)
FR (1) FR2339574A1 (ar)
GB (1) GB1536064A (ar)
IT (1) IT1054584B (ar)
NL (1) NL7700692A (ar)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1603724A (en) * 1977-05-25 1981-11-25 Montedison Spa Components and catalysts for the polymerisation of alpha-olefins
US4350612A (en) * 1981-01-13 1982-09-21 Stauffer Chemical Company Method for preparing a magnesium halide support for catalysts
EP0085231B1 (en) * 1981-12-17 1986-11-12 Imperial Chemical Industries Plc Catalyst composition, production and use
US4497905A (en) * 1983-10-13 1985-02-05 Shell Oil Company Olefin polymerization catalyst compositions and polymerization process
FR2583307B1 (fr) * 1985-06-14 1993-07-02 Atochem Support a base de silice et de chlorure de magnesium, son procede de fabrication, catalyseurs obtenus a partir de ce support.
US4662065A (en) * 1986-05-22 1987-05-05 Battery Engineering, Inc. Method for dehydrating manganese dioxide
FR2658498B1 (fr) * 1990-02-19 1992-05-15 Atochem Particules de chlorure de magnesium a structure tronc conique, composante catalytique supportee sur ces particules, polyolefines obtenues a partir de cette composante catalytique, procedes de fabrication de ces produits.
FR2669915B1 (fr) * 1990-11-29 1993-01-29 Atochem Particules de chlorure de magnesium a structure polyedre, composante catalytique supportee sur ces particules, procedes de fabrication de ces produits et des polyolefines obtenues a partir de cette composante catalytique.
FI86866C (fi) † 1990-12-19 1992-10-26 Neste Oy Foerfarande foer modifiering av katalysatorer avsedda foer polymerisation av olefiner
EP1512699A1 (en) * 2003-08-27 2005-03-09 Total Petrochemicals Research Feluy Catalyst Support
KR20070118143A (ko) * 2005-03-30 2007-12-13 바셀 폴리올레핀 이탈리아 에스.알.엘 올레핀 중합용 촉매 성분

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
YU35844B (en) * 1968-11-25 1981-08-31 Montedison Spa Process for obtaining catalysts for the polymerization of olefines
NL160286C (ar) * 1971-06-25

Also Published As

Publication number Publication date
JPS5294896A (en) 1977-08-09
FR2339574B1 (ar) 1979-09-21
JPH0229682B2 (ar) 1990-07-02
DE2703557A1 (de) 1977-08-04
GB1536064A (en) 1978-12-20
US4401641A (en) 1983-08-30
IT1054584B (it) 1981-11-30
NL7700692A (nl) 1977-08-02
JPS6058167B2 (ja) 1985-12-18
DE2703557C2 (ar) 1988-05-19
JPS60260603A (ja) 1985-12-23
FR2339574A1 (fr) 1977-08-26
CA1093787A (en) 1981-01-20

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: MONTEDISON S.P.A.

Effective date: 19970128