FR2151072A1 - Polyethylene with desired swelling ratio - obtd by polymerising ethylene-with chromium oxide/silica catalyst activated at temp determ - Google Patents

Polyethylene with desired swelling ratio - obtd by polymerising ethylene-with chromium oxide/silica catalyst activated at temp determ

Info

Publication number
FR2151072A1
FR2151072A1 FR7231056A FR7231056A FR2151072A1 FR 2151072 A1 FR2151072 A1 FR 2151072A1 FR 7231056 A FR7231056 A FR 7231056A FR 7231056 A FR7231056 A FR 7231056A FR 2151072 A1 FR2151072 A1 FR 2151072A1
Authority
FR
France
Prior art keywords
polyethylene
temp
swelling ratio
chromium oxide
determ
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.)
Withdrawn
Application number
FR7231056A
Other languages
English (en)
French (fr)
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.)
Gulf Research and Development Co
Original Assignee
Gulf Research and Development Co
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 Gulf Research and Development Co filed Critical Gulf Research and Development Co
Publication of FR2151072A1 publication Critical patent/FR2151072A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymerization Catalysts (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerisation Methods In General (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
FR7231056A 1971-09-03 1972-09-01 Polyethylene with desired swelling ratio - obtd by polymerising ethylene-with chromium oxide/silica catalyst activated at temp determ Withdrawn FR2151072A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17786471A 1971-09-03 1971-09-03

Publications (1)

Publication Number Publication Date
FR2151072A1 true FR2151072A1 (en) 1973-04-13

Family

ID=22650246

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7231056A Withdrawn FR2151072A1 (en) 1971-09-03 1972-09-01 Polyethylene with desired swelling ratio - obtd by polymerising ethylene-with chromium oxide/silica catalyst activated at temp determ

Country Status (8)

Country Link
JP (1) JPS4836284A (ja�@�@)
BE (1) BE788309A (ja�@�@)
BR (1) BR7206037D0 (ja�@�@)
DE (1) DE2242752A1 (ja�@�@)
ES (1) ES406331A1 (ja�@�@)
FR (1) FR2151072A1 (ja�@�@)
IT (1) IT966743B (ja�@�@)
NL (1) NL7211968A (ja�@�@)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49141151U (ja�@�@) * 1973-03-30 1974-12-05
JPS5163909U (ja�@�@) * 1974-11-15 1976-05-20
JPS5782884U (ja�@�@) * 1980-10-28 1982-05-22
US5096868A (en) * 1987-10-21 1992-03-17 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefins and alpha-olefins polymerization therewith

Also Published As

Publication number Publication date
NL7211968A (ja�@�@) 1973-03-06
IT966743B (it) 1974-02-20
BR7206037D0 (pt) 1973-09-27
BE788309A (fr) 1973-01-02
ES406331A1 (es) 1975-09-16
DE2242752A1 (de) 1973-03-08
JPS4836284A (ja�@�@) 1973-05-28

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Legal Events

Date Code Title Description
ST Notification of lapse