FR2562546B1 - Procede de traitement de polyethylene de basse densite lineaire destine a la fabrication par extrusion de corps creux, tubes et gaines - Google Patents

Procede de traitement de polyethylene de basse densite lineaire destine a la fabrication par extrusion de corps creux, tubes et gaines

Info

Publication number
FR2562546B1
FR2562546B1 FR8405549A FR8405549A FR2562546B1 FR 2562546 B1 FR2562546 B1 FR 2562546B1 FR 8405549 A FR8405549 A FR 8405549A FR 8405549 A FR8405549 A FR 8405549A FR 2562546 B1 FR2562546 B1 FR 2562546B1
Authority
FR
France
Prior art keywords
ducts
extrusion
tubes
manufacture
treatment
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.)
Expired
Application number
FR8405549A
Other languages
English (en)
Other versions
FR2562546A1 (fr
Inventor
Jean Jacques Khulburger
Michel Cordonnier
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.)
BP Chimie SA
Original Assignee
BP Chimie SA
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 BP Chimie SA filed Critical BP Chimie SA
Priority to FR8405549A priority Critical patent/FR2562546B1/fr
Priority to EP85302280A priority patent/EP0161774A1/fr
Priority to JP50168485A priority patent/JPS61501782A/ja
Priority to PCT/GB1985/000142 priority patent/WO1985004664A1/fr
Priority to PT8024885A priority patent/PT80248B/pt
Priority to ES542062A priority patent/ES8700274A1/es
Publication of FR2562546A1 publication Critical patent/FR2562546A1/fr
Application granted granted Critical
Publication of FR2562546B1 publication Critical patent/FR2562546B1/fr
Expired 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
    • C08F8/00—Chemical modification by after-treatment
    • 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
FR8405549A 1984-04-09 1984-04-09 Procede de traitement de polyethylene de basse densite lineaire destine a la fabrication par extrusion de corps creux, tubes et gaines Expired FR2562546B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR8405549A FR2562546B1 (fr) 1984-04-09 1984-04-09 Procede de traitement de polyethylene de basse densite lineaire destine a la fabrication par extrusion de corps creux, tubes et gaines
EP85302280A EP0161774A1 (fr) 1984-04-09 1985-04-02 Modification de polyéthylène de basse densité linéaire par un traitement aux peroxydes
JP50168485A JPS61501782A (ja) 1984-04-09 1985-04-02 過酸化物処理によるｌｌｄｐｅの改質
PCT/GB1985/000142 WO1985004664A1 (fr) 1984-04-09 1985-04-02 Modification de lldpe par un traitement au peroxyde
PT8024885A PT80248B (en) 1984-04-09 1985-04-08 Process for the modification of copolymers of ethylene and higher alpha-olefins by thermo-mechanical treatment
ES542062A ES8700274A1 (es) 1984-04-09 1985-04-09 Procedimiento de tratamiento termomecanico de copolimeros deetileno y alfa-olefina superiores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8405549A FR2562546B1 (fr) 1984-04-09 1984-04-09 Procede de traitement de polyethylene de basse densite lineaire destine a la fabrication par extrusion de corps creux, tubes et gaines

Publications (2)

Publication Number Publication Date
FR2562546A1 FR2562546A1 (fr) 1985-10-11
FR2562546B1 true FR2562546B1 (fr) 1987-01-23

Family

ID=9302961

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8405549A Expired FR2562546B1 (fr) 1984-04-09 1984-04-09 Procede de traitement de polyethylene de basse densite lineaire destine a la fabrication par extrusion de corps creux, tubes et gaines

Country Status (6)

Country Link
EP (1) EP0161774A1 (fr)
JP (1) JPS61501782A (fr)
ES (1) ES8700274A1 (fr)
FR (1) FR2562546B1 (fr)
PT (1) PT80248B (fr)
WO (1) WO1985004664A1 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5047485A (en) * 1989-02-21 1991-09-10 Himont Incorporated Process for making a propylene polymer with free-end long chain branching and use thereof
US5525695A (en) * 1991-10-15 1996-06-11 The Dow Chemical Company Elastic linear interpolymers
US5783638A (en) * 1991-10-15 1998-07-21 The Dow Chemical Company Elastic substantially linear ethylene polymers
DE4224990A1 (de) * 1992-07-29 1994-02-03 Guenter Hufschmid Wiederverwertung von Polyolefinabfällen durch thermischen, oxidativen bzw. katalytischen Abbau zu Polyolefinwachsen, Polyolefinharzen oder durch Oxidation zu oxidierten Polyolefinen
US5414040A (en) * 1992-09-15 1995-05-09 The Dow Chemical Company Formulated ethylene/α-olefin elastomeric compounds
US6300451B1 (en) 1994-10-24 2001-10-09 Exxon Chemical Patents Inc. Long-chain branched polymers and their production
EP0755971B1 (fr) * 1995-07-28 2002-03-06 Tosoh Corporation Résine de moulage, composition la contenant et procédés pour leur préparation
PL328725A1 (en) 1996-03-05 1999-02-15 Dow Chemical Co Polyolefins of modified rheological properties
ES2183412T3 (es) 1997-08-27 2003-03-16 Dow Chemical Co Elastomeros con procesabilidad mejorada.
BR9906086B1 (pt) * 1999-12-21 2009-01-13 aplicaÇço de polietileno linear de baixa densidade (pelbd) modificado em filmes termocontrÁteis e filmes termocontrÁteis.
ATE499375T1 (de) * 2000-05-19 2011-03-15 Basf Se Verfahren zur kontrollierten erhöhung des molekulargewichts von polyethylen und polyethylenmischungen
US7030196B2 (en) 2000-05-19 2006-04-18 Ciba Specialty Chemicals Corporation Process for reducing the molecular weight of polypropylene
US7652105B2 (en) 2002-12-27 2010-01-26 Nof Corporation Method for producing hydroxyl-modified ethylene-α-olefin copolymer
ITMI20030629A1 (it) * 2003-03-31 2004-10-01 Polimeri Europa Spa Composizione elastomerica per l'isolamento di cavi elettrici.
US7399809B1 (en) * 2007-01-11 2008-07-15 Equistar Chemicals, Lp Modifying polyethylene made by Ziegler or single-site catalyst with free radical initiator
EP2825572B1 (fr) * 2012-03-15 2022-07-27 ExxonMobil Chemical Patents Inc. Adaptation par l'oxygène de polyéthylène
US9346897B2 (en) 2013-05-14 2016-05-24 Chevron Phillips Chemical Company Lp Peroxide treated metallocene-based polyolefins with improved melt strength
EP3186305B1 (fr) * 2014-08-28 2021-04-07 Dow Global Technologies LLC Compositions de polyéthylène basse densité linéaire modifié par un peroxyde expansé et procédés de fabrication des compositions expansées correspondantes
US11205526B2 (en) 2017-01-05 2021-12-21 General Cable Technologies Corporation Linear low-density polyethylene polymers suitable for use on cables

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2508047B1 (fr) * 1981-06-22 1985-10-11 Bp Chimie Sa Procede de traitement de polyethylene de basse densite lineaire par des peroxydes organiques, generateurs de radicaux libres
JPS5871904A (ja) * 1981-10-23 1983-04-28 Asahi Chem Ind Co Ltd 変性エチレン−αオレフィン共重合体の製造方法

Also Published As

Publication number Publication date
ES8700274A1 (es) 1986-10-16
EP0161774A1 (fr) 1985-11-21
FR2562546A1 (fr) 1985-10-11
PT80248A (en) 1985-05-01
JPS61501782A (ja) 1986-08-21
ES542062A0 (es) 1986-10-16
PT80248B (en) 1987-02-03
WO1985004664A1 (fr) 1985-10-24

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Legal Events

Date Code Title Description
ST Notification of lapse