FR2281379A1 - Procede pour la fabrication de poudres de densite apparente elevee de polyolefines - Google Patents

Procede pour la fabrication de poudres de densite apparente elevee de polyolefines

Info

Publication number
FR2281379A1
FR2281379A1 FR7427158A FR7427158A FR2281379A1 FR 2281379 A1 FR2281379 A1 FR 2281379A1 FR 7427158 A FR7427158 A FR 7427158A FR 7427158 A FR7427158 A FR 7427158A FR 2281379 A1 FR2281379 A1 FR 2281379A1
Authority
FR
France
Prior art keywords
apparent density
prod
activating
polyolefin powder
catalyst
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
FR7427158A
Other languages
English (en)
Other versions
FR2281379B1 (fr
Inventor
Gordon Yao-Ting Liu
Donald Russell Smith
Robert Donald Bridges
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.)
Dow Chemical Co
Original Assignee
Dow Chemical 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
Priority claimed from US115881A external-priority patent/US3907760A/en
Priority to US115881A priority Critical patent/US3907760A/en
Priority to CA204,781A priority patent/CA1013900A/en
Priority to GB3239874A priority patent/GB1465414A/en
Priority to NL7410095A priority patent/NL7410095A/xx
Priority to JP49086823A priority patent/JPS5114990A/ja
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Priority to FR7427158A priority patent/FR2281379A1/fr
Priority to DE2437884A priority patent/DE2437884A1/de
Priority to BR6536/74A priority patent/BR7406536A/pt
Priority to BE147651A priority patent/BE818896A/fr
Publication of FR2281379A1 publication Critical patent/FR2281379A1/fr
Publication of FR2281379B1 publication Critical patent/FR2281379B1/fr
Application granted granted Critical
Priority claimed from CA 2047821 external-priority patent/CA2047821A1/fr
Granted legal-status Critical Current

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

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)
FR7427158A 1971-02-16 1974-08-05 Procede pour la fabrication de poudres de densite apparente elevee de polyolefines Granted FR2281379A1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
US115881A US3907760A (en) 1971-02-16 1971-02-16 Process for manufacture of high bulk density powders of olefin polymers
CA204,781A CA1013900A (en) 1971-02-16 1974-07-15 Process for manufacture of high bulk density powders of olefin polymers
GB3239874A GB1465414A (en) 1971-02-16 1974-07-22 Process for manufacture of high bulk density powders of olefin polymers
NL7410095A NL7410095A (nl) 1971-02-16 1974-07-26 Werkwijze voor de bereiding van een poeder met een hoge massa dichtheid uit een normaliter vast lineair olefinepolymeer.
JP49086823A JPS5114990A (en) 1971-02-16 1974-07-29 Kosumitsudoorefuinhorimaafunmatsuno seizoho
FR7427158A FR2281379A1 (fr) 1971-02-16 1974-08-05 Procede pour la fabrication de poudres de densite apparente elevee de polyolefines
DE2437884A DE2437884A1 (de) 1971-02-16 1974-08-06 Verfahren zur herstellung eines pulverfoermigen, normalerweise festen linearen olefinpolymeren mit hoher schuettdichte
BR6536/74A BR7406536A (pt) 1971-02-16 1974-08-08 Processo para produzir um po de alta densidade aparente de um polimero de olefina linear
BE147651A BE818896A (fr) 1971-02-16 1974-08-14 Procede pour la fabrication de poudres de densite apparente elevee de polyolefines

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US115881A US3907760A (en) 1971-02-16 1971-02-16 Process for manufacture of high bulk density powders of olefin polymers
GB3239874A GB1465414A (en) 1971-02-16 1974-07-22 Process for manufacture of high bulk density powders of olefin polymers
NL7410095A NL7410095A (nl) 1971-02-16 1974-07-26 Werkwijze voor de bereiding van een poeder met een hoge massa dichtheid uit een normaliter vast lineair olefinepolymeer.
JP49086823A JPS5114990A (en) 1971-02-16 1974-07-29 Kosumitsudoorefuinhorimaafunmatsuno seizoho
FR7427158A FR2281379A1 (fr) 1971-02-16 1974-08-05 Procede pour la fabrication de poudres de densite apparente elevee de polyolefines
DE2437884A DE2437884A1 (de) 1971-02-16 1974-08-06 Verfahren zur herstellung eines pulverfoermigen, normalerweise festen linearen olefinpolymeren mit hoher schuettdichte
BR6536/74A BR7406536A (pt) 1971-02-16 1974-08-08 Processo para produzir um po de alta densidade aparente de um polimero de olefina linear
CA 2047821 CA2047821A1 (fr) 1990-09-17 1991-07-24 Systeme d'archivage electronique reconnaissant les originaux mis en evidence pour la classification et l'extraction

Publications (2)

Publication Number Publication Date
FR2281379A1 true FR2281379A1 (fr) 1976-03-05
FR2281379B1 FR2281379B1 (fr) 1978-02-17

Family

ID=27570192

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427158A Granted FR2281379A1 (fr) 1971-02-16 1974-08-05 Procede pour la fabrication de poudres de densite apparente elevee de polyolefines

Country Status (1)

Country Link
FR (1) FR2281379A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1296142A (fr) * 1960-06-03 1962-06-15 Hoechst Ag Fabrication de polymères d'oléfines à poids moléculaires élevés et en poudres de forte densité apparente

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1296142A (fr) * 1960-06-03 1962-06-15 Hoechst Ag Fabrication de polymères d'oléfines à poids moléculaires élevés et en poudres de forte densité apparente

Also Published As

Publication number Publication date
FR2281379B1 (fr) 1978-02-17

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Legal Events

Date Code Title Description
ST Notification of lapse