PT76018A - Procede de preparation de copolymeres modifies de l'ethylene et d'un moins une alpha-olefine - Google Patents

Procede de preparation de copolymeres modifies de l'ethylene et d'un moins une alpha-olefine

Info

Publication number
PT76018A
PT76018A PT76018A PT7601882A PT76018A PT 76018 A PT76018 A PT 76018A PT 76018 A PT76018 A PT 76018A PT 7601882 A PT7601882 A PT 7601882A PT 76018 A PT76018 A PT 76018A
Authority
PT
Portugal
Prior art keywords
olefin
alpha
ethylene
copolymer
preparation
Prior art date
Application number
PT76018A
Other languages
English (en)
French (fr)
Other versions
PT76018B (fr
Inventor
Jean-Pierre Machon
Genevieve Le Brasseur
Marius Hert
Jean-Claude Decroix
Original Assignee
Charbonnages Ste Chimique
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9265396&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT76018(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Charbonnages Ste Chimique filed Critical Charbonnages Ste Chimique
Publication of PT76018A publication Critical patent/PT76018A/pt
Publication of PT76018B publication Critical patent/PT76018B/pt

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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/26—Treatment of polymers prepared in bulk also solid polymers or polymer melts
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/50—Partial depolymerisation
    • 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
    • C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (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)
  • Polymerization Catalysts (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
PT76018A 1981-12-24 1982-12-22 Procede de preparation de copolymeres modifies de l'ethylene et d'un moins une alpha-olefine PT76018B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8124217A FR2519007B1 (fr) 1981-12-24 1981-12-24 Copolymeres modifies de l'ethylene et d'au moins une a-olefine et procede pour leur preparation

Publications (2)

Publication Number Publication Date
PT76018A true PT76018A (fr) 1983-01-01
PT76018B PT76018B (fr) 1985-07-26

Family

ID=9265396

Family Applications (1)

Application Number Title Priority Date Filing Date
PT76018A PT76018B (fr) 1981-12-24 1982-12-22 Procede de preparation de copolymeres modifies de l'ethylene et d'un moins une alpha-olefine

Country Status (18)

Country Link
US (1) US4486579A (pt)
EP (1) EP0083521B1 (pt)
JP (1) JPS58117201A (pt)
AT (1) ATE18412T1 (pt)
AU (1) AU568288B2 (pt)
BR (1) BR8207479A (pt)
CA (1) CA1208399A (pt)
CS (1) CS244918B2 (pt)
DE (1) DE3269745D1 (pt)
DK (1) DK571482A (pt)
ES (1) ES518537A0 (pt)
FI (1) FI72983C (pt)
FR (1) FR2519007B1 (pt)
GR (1) GR77081B (pt)
IE (1) IE53825B1 (pt)
IN (1) IN158055B (pt)
NO (1) NO162076C (pt)
PT (1) PT76018B (pt)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58225106A (ja) * 1982-06-24 1983-12-27 Mitsubishi Petrochem Co Ltd ポリエチレンの製造法
US5013801A (en) * 1983-06-15 1991-05-07 Charles Cozewith Molecular weight distribution modification in a tubular reactor
FR2547585B1 (fr) * 1983-06-15 1985-09-27 Charbonnages Ste Chimique Copolymeres modifies de l'ethylene et d'au moins une a-olefine et procede pour leur preparation
US4789714A (en) * 1983-06-15 1988-12-06 Exxon Research & Engineering Co. Molecular weight distribution modification in tubular reactor
EP0204840A4 (en) * 1984-12-14 1988-09-07 Exxon Research Engineering Co MODIFICATION OF THE DISTRIBUTION OF MOLECULAR WEIGHTS IN A TUBULAR REACTOR.
US5256351A (en) * 1985-06-17 1993-10-26 Viskase Corporation Process for making biaxially stretched, heat shrinkable VLDPE films
CA1340037C (en) * 1985-06-17 1998-09-08 Stanley Lustig Puncture resistant, heat-shrinkable films containing very low density polyethylene copolymer
FR2592051B1 (fr) * 1985-12-24 1988-10-14 Charbonnages Ste Chimique Compositions de polymeres de l'ethylene, un procede pour leur preparation et leur application a l'obtention d'articles industriels
DE3642266A1 (de) * 1986-12-11 1987-04-23 Rauer Kurt Abbau von polyethylen mittels radikalbildner
FR2614897B1 (fr) * 1987-05-07 1991-12-20 Charbonnages Ste Chimique Compositions thermoplastiques, contenant un polymere modifie d'ethylene et un polymere d'une olefine en c3-c12, leur procede de preparation et leur application a l'obtention d'articles industriels
US4981605A (en) * 1987-06-08 1991-01-01 Mitsui Petrochemical Industries, Ltd. Liquid modified ethylenic random copolymer and its uses
JPH0759032B2 (ja) * 1988-01-19 1995-06-21 富士ゼロックス株式会社 画像形成装置
EP0374666B1 (de) * 1988-12-23 1994-01-26 Bayer Ag Kontinuierliches Verfahren zur Herstellung von Ethylen/Vinylester-Terpolymerisaten
US5110870A (en) * 1989-01-06 1992-05-05 Mitsubishi Kasei Corporation Extensible film or sheet and process for producing the same
US6025448A (en) * 1989-08-31 2000-02-15 The Dow Chemical Company Gas phase polymerization of olefins
US6538080B1 (en) 1990-07-03 2003-03-25 Bp Chemicals Limited Gas phase polymerization of olefins
FR2680370B1 (fr) * 1991-08-14 1993-11-05 Enichem Polymeres France Sa Procede pour le greffage dans la ligne d'acides et anhydrides d'acides carboxyliques insatures sur des polymeres de l'ethylene et installation pour la mise en óoeuvre de ce procede.
US5582923A (en) * 1991-10-15 1996-12-10 The Dow Chemical Company Extrusion compositions having high drawdown and substantially reduced neck-in
US5395471A (en) * 1991-10-15 1995-03-07 The Dow Chemical Company High drawdown extrusion process with greater resistance to draw resonance
US5525695A (en) 1991-10-15 1996-06-11 The Dow Chemical Company Elastic linear interpolymers
US5674342A (en) * 1991-10-15 1997-10-07 The Dow Chemical Company High drawdown extrusion composition and process
US5278272A (en) 1991-10-15 1994-01-11 The Dow Chemical Company Elastic substantialy linear olefin polymers
US5783638A (en) * 1991-10-15 1998-07-21 The Dow Chemical Company Elastic substantially linear ethylene polymers
IT1266647B1 (it) * 1993-10-29 1997-01-09 Ausimont Spa Processo di (co)polimerizzazione di monomeri olefinici fluorurati in emulsione acquosa
US5792534A (en) * 1994-10-21 1998-08-11 The Dow Chemical Company Polyolefin film exhibiting heat resistivity, low hexane extractives and controlled modulus
US5589551A (en) * 1995-02-22 1996-12-31 Mobil Oil Corporation Swell reduction of chromium catalyzed HDPE resins by controlled degradation using high temperature peroxides
ITMI20030629A1 (it) * 2003-03-31 2004-10-01 Polimeri Europa Spa Composizione elastomerica per l'isolamento di cavi elettrici.
ES2524430T3 (es) * 2010-12-03 2014-12-09 Dow Global Technologies Llc Procesos para preparar composiciones poliméricas basadas en etileno
US8674041B2 (en) * 2011-07-22 2014-03-18 Elantas Pdg, Inc. Low temperature cure using benzopinacol polymerization initiator
US9593173B2 (en) * 2014-02-28 2017-03-14 Elantas Pdg, Inc. Low temperature cure polymerization initiator

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1204826B (de) * 1957-08-12 1965-11-11 Ruhrchemie Ag Verfahren zur Herstellung von Polyaethylen oder Polypropylen
GB918182A (en) * 1960-12-01 1963-02-13 Horstmann & Sherwen Ltd Improved flexible sealing device for use between telescoping elements
DE1301540B (de) * 1963-01-09 1969-08-21 Chemische Werke Huells Ag Verfahren zur Erniedrigung des Molekulargewichts von Polyolefinen
NL298986A (pt) * 1963-01-09 1900-01-01
DE1495285C3 (de) * 1963-03-02 1975-07-03 Chemische Werke Huels Ag, 4370 Marl Verfahren zur Erniedrigung des Molekulargewichts von Polyolefinen
FR1386006A (fr) * 1963-03-21 1965-01-15 Montedison Spa Procédé pour purifier des polyoléfines en les débarrassant des résidus de catalyseur
US3325442A (en) * 1963-03-25 1967-06-13 Monsanto Co Preparation of polyethylene compositions containing carbon black and peroxide curingagent
GB988846A (en) * 1964-02-05 1965-04-14 Sun Oil Co Processing of ethylene-propylene copolymer
GB1205635A (en) * 1967-05-12 1970-09-16 Ici Ltd Polymerisation of ethylene
US3862265A (en) * 1971-04-09 1975-01-21 Exxon Research Engineering Co Polymers with improved properties and process therefor
CA993592A (en) * 1971-04-09 1976-07-20 Thomas J. Grail Polymers with improved properties and process therefor
US3953655A (en) * 1972-04-03 1976-04-27 Exxon Research And Engineering Company Polymers with improved properties and process therefor
US4001172A (en) * 1972-04-03 1977-01-04 Exxon Research And Engineering Company Polymers with improved properties and process therefor
DE2557653A1 (de) * 1975-12-20 1977-06-30 Basf Ag Verfahren zur herstellung von aethylenpolymerisaten in einem zweizonen-rohrreaktor bei druecken oberhalb 500 bar
FR2346374A1 (fr) * 1976-03-31 1977-10-28 Charbonnages Ste Chimique Procede perfectionne de polymerisation de l'ethylene sous haute pression
US4061694A (en) * 1976-12-21 1977-12-06 Dart Industries Inc. Low temperature impact strength molding compositions
JPS5952643B2 (ja) * 1977-01-27 1984-12-20 三井化学株式会社 エチレン共重合体
DE2801541A1 (de) * 1978-01-14 1979-07-19 Hoechst Ag Aethylencopolymere und ihre verwendung zur herstellung von folien
US4390677A (en) * 1978-03-31 1983-06-28 Karol Frederick J Article molded from ethylene hydrocarbon copolymer

Also Published As

Publication number Publication date
CA1208399A (fr) 1986-07-22
ATE18412T1 (de) 1986-03-15
IE53825B1 (en) 1989-03-01
NO162076C (no) 1989-11-01
DE3269745D1 (en) 1986-04-10
DK571482A (da) 1983-06-25
IN158055B (pt) 1986-08-23
FR2519007B1 (fr) 1985-12-27
IE823082L (en) 1983-06-24
AU568288B2 (en) 1987-12-24
AU9189382A (en) 1983-06-30
CS244918B2 (en) 1986-08-14
FI824413L (fi) 1983-06-25
EP0083521B1 (fr) 1986-03-05
GR77081B (pt) 1984-09-06
FI824413A0 (fi) 1982-12-22
FI72983B (fi) 1987-04-30
JPS58117201A (ja) 1983-07-12
BR8207479A (pt) 1983-10-18
EP0083521A1 (fr) 1983-07-13
ES8405041A1 (es) 1984-05-16
NO824360L (no) 1983-06-27
JPH0534362B2 (pt) 1993-05-21
NO162076B (no) 1989-07-24
ES518537A0 (es) 1984-05-16
PT76018B (fr) 1985-07-26
FR2519007A1 (fr) 1983-07-01
US4486579A (en) 1984-12-04
FI72983C (fi) 1987-08-10

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