WO2001053367A1 - Composition a base de polyethylene reticulable - Google Patents

Composition a base de polyethylene reticulable Download PDF

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Publication number
WO2001053367A1
WO2001053367A1 PCT/EP2001/000424 EP0100424W WO0153367A1 WO 2001053367 A1 WO2001053367 A1 WO 2001053367A1 EP 0100424 W EP0100424 W EP 0100424W WO 0153367 A1 WO0153367 A1 WO 0153367A1
Authority
WO
WIPO (PCT)
Prior art keywords
polyethylene
pipe
composition
crosslinkable
basic
Prior art date
Application number
PCT/EP2001/000424
Other languages
English (en)
Inventor
Martine Cornette
Laurent Lefebvre
Eric Vandevijver
Original Assignee
Solvay Polyolefins Europe-Belgium (Societe Anonyme)
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=3896374&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2001053367(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to MXPA02007069A priority Critical patent/MXPA02007069A/es
Priority to HU0204237A priority patent/HU226792B1/hu
Priority to AU5029601A priority patent/AU5029601A/xx
Priority to CA2397924A priority patent/CA2397924C/fr
Priority to AU2001250296A priority patent/AU2001250296B2/en
Application filed by Solvay Polyolefins Europe-Belgium (Societe Anonyme) filed Critical Solvay Polyolefins Europe-Belgium (Societe Anonyme)
Priority to US10/181,777 priority patent/US7087697B2/en
Priority to DE60124672T priority patent/DE60124672T3/de
Priority to PL356592A priority patent/PL202484B1/pl
Priority to EP01923543A priority patent/EP1254184B2/fr
Publication of WO2001053367A1 publication Critical patent/WO2001053367A1/fr
Priority to NO20023472A priority patent/NO20023472L/no

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • C08F230/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
    • C08F230/04Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal
    • C08F230/08Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
    • 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
    • C08F255/00Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • C08F255/02Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/12Rigid pipes of plastics with or without reinforcement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2301/00Use of unspecified macromolecular compounds as reinforcement
    • B29K2301/10Thermosetting resins
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352Polymer or resin containing [i.e., natural or synthetic]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

Composition à base de polyéthylène réticulable comprenant de 0,05 à 0,24 groupements silanes hydrolysables par 100 unités -CH2- et ayant une masse volumique standard MVS d'au moins 954 kg/m3 et un indice de fluidité MI¿5? inférieur à 1,5 g/10 min. Tuyaux pour le transport de fluides sous pression susceptibles d'être obtenus par l'extrusion de cette composition puis par leur hydrolyse.

Claims

- 13 -
R E V E N D I C A T I O N S
1 - Composition à base d'un polyethylene réticulable comprenant de 0,05 à 0,24 groupements silanes hydrolysables par 100 unités -CH2- et ayant une masse volumique standard MVS d'au moins 954 kg/m3, un indice de fluidité MI5 inférieur à 1 ,5 g/10 min et un indice de fluidité HLMI supérieur à 2 g/ 10 min.
2 - Composition selon la revendication 1, caractérisée en ce que le polyethylene réticulable présente un indice de fluidité MI2 inférieur à 0,8 g/10min et supérieur à 0,03 g/10 min.
3 - Composition selon l'une quelconque des revendications 1 et 2, caractérisée en ce que le polyethylene réticulable a une teneur en groupements silanes hydrolysables telle que, après hydrolyse, le polyethylene réticulé présente un taux de réticulation d'au moins 65 % en poids.
4 - Composition selon l'une quelconque des revendications 1 à 3, caractérisée en ce qu'elle est obtenue par le mélange en fondu d'un polyethylene de base ayant une MVS d'au moins 956 kg/m3 , un MI2 supérieur à 0,15 g/ 10 min et un MI5 inférieur à 10 g/ 10 min avec de 1,0 à 2,5 parts pour 100 parts de polyethylene de base d'un vinylsilane et de 0,04 à 0,15 part pour 100 parts de polyethylene de base d'un composé susceptible de générer des radicaux libres.
5 - Composition selon la revendication 4, caractérisée en ce que le polyethylene de base présente une MVS d'au moins 958 kg/m3.
6 - Composition selon la revendication 4 ou 5, caractérisée en ce que le polyethylene de base présente un indice de fluidité MF? inférieur à 2 g/10 min et supérieur à 0, 16 g/10 min.
7 - Procédé de fabrication d'un tuyau dans lequel dans une première étape, une composition à base d'un polyethylene réticulable selon l'une quelconque des revendications 1 à 6, est extradée sous la forme d'un tuyau, puis dans une deuxième étape, le tuyau issu de la première étape est soumis à une hydrolyse de façon à réticuler le polyethylene réticulable. - 14 -
8 - Procédé selon la revendication 7 caractérisé en ce que, dans la première étape, la composition est mise en œuvre en présence d'un catalyseur de réticulation.
9 - Procédé selon l'une quelconque des revendications 7 ou 8 caractérisé en ce que la composition à base d'un polyethylene réticulable est fabriquée in situ lors de la première étape.
10 - Procédé selon l'une quelconque des revendications 7 à 9, caractérisé en ce que l'hydrolyse est effectuée en présence de vapeur d'eau à une température de 60 à 130°C ou en présence d'eau chaude à une température de 60 à l00 °C.
11 - Tuyau comprenant un polyethylene réticulé susceptible d'être obtenu par le procédé selon l'une quelconque des revendications 7 à 10.
12 - Tuyau comprenant un polyethylene réticulé ayant une classification MRS selon la norme ISO/TR 9080 de 11,2.
13 - Tuyau comprenant un polyethylene réticulé ayant une classification
MRS selon la norme ISO/TR 9080 de 12,5.
PCT/EP2001/000424 2000-01-21 2001-01-15 Composition a base de polyethylene reticulable WO2001053367A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP01923543A EP1254184B2 (fr) 2000-01-21 2001-01-15 Composition a base de polyethylene reticulable, procede de fabrication d'un tuyau et tuyau
HU0204237A HU226792B1 (en) 2000-01-21 2001-01-15 Crosslinkable polyethylene composition
AU5029601A AU5029601A (en) 2000-01-21 2001-01-15 Crosslinkable polyethylene composition
CA2397924A CA2397924C (fr) 2000-01-21 2001-01-15 Composition a base de polyethylene reticulable
AU2001250296A AU2001250296B2 (en) 2000-01-21 2001-01-15 Crosslinkable polyethylene composition
MXPA02007069A MXPA02007069A (es) 2000-01-21 2001-01-15 Composicion a base de polietileno reticulable.
US10/181,777 US7087697B2 (en) 2000-01-21 2001-01-15 Crosslinkable polyethylene composition
DE60124672T DE60124672T3 (de) 2000-01-21 2001-01-15 Vernetzbare Polyethylene Zusammensetzung, Verfahren zur Herstellung eines Rohres und Rohr
PL356592A PL202484B1 (pl) 2000-01-21 2001-01-15 Kompozycja na bazie sieciującego się polietylenu oraz sposób wytwarzania rury
NO20023472A NO20023472L (no) 2000-01-21 2002-07-19 Tverrbindbare polyetylenblandinger

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2000/0046A BE1013243A3 (fr) 2000-01-21 2000-01-21 Composition a base de polyethylene reticulable.
BE2000/0046 2000-01-21

Publications (1)

Publication Number Publication Date
WO2001053367A1 true WO2001053367A1 (fr) 2001-07-26

Family

ID=3896374

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/000424 WO2001053367A1 (fr) 2000-01-21 2001-01-15 Composition a base de polyethylene reticulable

Country Status (17)

Country Link
US (1) US7087697B2 (fr)
EP (1) EP1254184B2 (fr)
KR (1) KR100831607B1 (fr)
AR (1) AR027258A1 (fr)
AT (1) ATE346102T1 (fr)
AU (2) AU5029601A (fr)
BE (1) BE1013243A3 (fr)
CA (1) CA2397924C (fr)
DE (1) DE60124672T3 (fr)
GC (1) GC0000268A (fr)
HU (1) HU226792B1 (fr)
MX (1) MXPA02007069A (fr)
NO (1) NO20023472L (fr)
PL (1) PL202484B1 (fr)
PT (1) PT1254184E (fr)
RU (1) RU2258719C2 (fr)
WO (1) WO2001053367A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2892172A1 (fr) 2005-10-13 2007-04-20 Arkema Sa Tube multicouche a base de polymere fluore modifie
FR2893696A1 (fr) 2005-11-24 2007-05-25 Arkema Sa Tube multicouche pour le transport d'eau ou de gaz
EP1859926A1 (fr) * 2006-05-26 2007-11-28 Borealis Technology Oy Tyau revétu avec une couche comprenant un polyoféfine avec adhérence améliorée
US9434798B2 (en) 2008-10-31 2016-09-06 Borealis Ag Cross-linkable polyethylene resin for pipes made by a single-site catalyst
US10082228B2 (en) 2008-10-31 2018-09-25 Borealis Ag Cross-linked polyethylene pipe
WO2019224452A1 (fr) 2018-05-22 2019-11-28 Arkema France Cables multicouches pour environnement offshore
US10875939B2 (en) 2009-11-11 2020-12-29 Borealis Ag Polymer composition comprising a polyolefin produced in a high pressure process, a high pressure process and an article

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1448628A2 (fr) 2001-11-16 2004-08-25 E.I. Du Pont De Nemours And Company Copolymeres d'olefines, de vinylsilanes et d'allylsilanes
DE502006007535D1 (de) * 2005-06-14 2010-09-09 Basell Polyolefine Gmbh Mehrlagige kunststoff-korrosionsschutzbeschichtung mit verbesserten eigenschaften
US7897171B2 (en) * 2006-08-25 2011-03-01 Boston Scientific Scimed, Inc. Medical devices having improved mechanical performance
US7897170B2 (en) 2006-08-25 2011-03-01 Boston Scientific Scimed, Inc. Medical devices having improved mechanical performance
EP2227618B8 (fr) * 2007-12-20 2013-12-18 Borealis AG Tubages de puits à revêtement polymère
EP2138538A1 (fr) * 2008-06-27 2009-12-30 Borealis AG Composition de polyoléfine renforcée avec un article de remplissage et conduit comprenant une composition de polyoléfine
GB0812187D0 (en) * 2008-07-03 2008-08-13 Dow Corning Modified polyethylene
GB0812186D0 (en) 2008-07-03 2008-08-13 Dow Corning Modified polyolefins
GB0812185D0 (en) * 2008-07-03 2008-08-13 Dow Corning Polymers modified by silanes
US8160555B2 (en) 2009-04-13 2012-04-17 Cequint, Inc. System and method for determination of network and conditional execution of applications and promotions
GB201000121D0 (en) 2010-01-06 2010-02-17 Dow Corning Modified polyolefins
GB201000117D0 (en) 2010-01-06 2010-02-17 Dow Corning Organopolysiloxanes containing an unsaturated group
GB201000120D0 (en) 2010-01-06 2010-02-17 Dow Corning Process for forming crosslinked and branched polymers
US10308829B2 (en) * 2013-11-25 2019-06-04 Dow Global Technologies Llc Moisture-and peroxide-crosslinkable polymeric compositions
CN109153809A (zh) * 2016-05-26 2019-01-04 博里利斯股份公司 聚乙烯树脂的分子改性

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646155A (en) * 1968-12-20 1972-02-29 Midland Silicones Ltd Cross-linking of a polyolefin with a silane
GB1450943A (en) * 1972-11-29 1976-09-29 Warner Swasey Co Parting off tools and inserts therefor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1450934A (en) * 1973-02-14 1976-09-29 Dow Corning Ltd Corsslinking process
IT1209510B (it) * 1984-03-09 1989-08-30 Franco Gimpel Composizioni poliolefiniche reticolabili, contenenti zeoliti cristalline.
SE460670B (sv) * 1988-01-15 1989-11-06 Abb Cables Ab Termoplastiskt bearbetbar komposition omfattande en matris av ett termoplastiskt polymermaterial och i denna matris foerdelade fina partiklar av ett vulkaniserat gummi samt saett att framstaella kompositionen
JPH03124442A (ja) 1989-10-06 1991-05-28 Furukawa Electric Co Ltd:The 複合成形体
FR2668159B1 (fr) * 1990-10-19 1993-01-22 Inst Francais Du Petrole Compositions reticulables a base de polyethylene et les materiaux qui en derivent.
US5883144A (en) * 1994-09-19 1999-03-16 Sentinel Products Corp. Silane-grafted materials for solid and foam applications
US5476889A (en) 1995-01-05 1995-12-19 Minnesota Mining And Manufacturing Company Curable sealer and/or adhesive composition, and a method for coating same in a dry state with automotive paint, and coated substrates formed therewith
DE19509613A1 (de) * 1995-03-16 1996-09-19 Rotex Gmbh Formkörper mit einer Sauerstoffbarriere-Schicht, insbesondere Hohlprofilformkörper
JP3518126B2 (ja) 1996-02-07 2004-04-12 三井化学株式会社 架橋パイプ用シラン変性直鎖状ポリエチレンおよび架橋パイプ
US6465107B1 (en) * 1996-09-13 2002-10-15 Dupont Canada Inc. Silicone-containing polyolefin film
JP3532106B2 (ja) 1997-12-10 2004-05-31 旭化成ケミカルズ株式会社 ポリエチレン製シラン架橋パイプ
JP3902865B2 (ja) 1998-05-21 2007-04-11 積水化学工業株式会社 架橋ポリエチレン管の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646155A (en) * 1968-12-20 1972-02-29 Midland Silicones Ltd Cross-linking of a polyolefin with a silane
GB1450943A (en) * 1972-11-29 1976-09-29 Warner Swasey Co Parting off tools and inserts therefor

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2892172A1 (fr) 2005-10-13 2007-04-20 Arkema Sa Tube multicouche a base de polymere fluore modifie
FR2893696A1 (fr) 2005-11-24 2007-05-25 Arkema Sa Tube multicouche pour le transport d'eau ou de gaz
EP1859926A1 (fr) * 2006-05-26 2007-11-28 Borealis Technology Oy Tyau revétu avec une couche comprenant un polyoféfine avec adhérence améliorée
WO2007137764A1 (fr) * 2006-05-26 2007-12-06 Borealis Technology Oy Tuyau revÊtu comprenant une couche de polyolÉfine À adhÉrence amÉliorÉe
JP2009538246A (ja) * 2006-05-26 2009-11-05 ボーリアリス・テクノロジー・オサケユキテュア 強化された接着性を有するポリオレフィン層を含んでなる構造部材
EA014517B1 (ru) * 2006-05-26 2010-12-30 Бореалис Текнолоджи Ою Труба с покрытием, содержащим полиолефиновый слой с повышенной адгезией
JP4955759B2 (ja) * 2006-05-26 2012-06-20 ボーリアリス・テクノロジー・オサケユキテュア 強化された接着性を有するポリオレフィン層を含んでなる構造部材
US9453598B2 (en) 2006-05-26 2016-09-27 Borealis Technology Oy Coated pipe comprising polyolefin layer with enhanced adhesion
US9434798B2 (en) 2008-10-31 2016-09-06 Borealis Ag Cross-linkable polyethylene resin for pipes made by a single-site catalyst
US10082228B2 (en) 2008-10-31 2018-09-25 Borealis Ag Cross-linked polyethylene pipe
US10875939B2 (en) 2009-11-11 2020-12-29 Borealis Ag Polymer composition comprising a polyolefin produced in a high pressure process, a high pressure process and an article
WO2019224452A1 (fr) 2018-05-22 2019-11-28 Arkema France Cables multicouches pour environnement offshore

Also Published As

Publication number Publication date
EP1254184B1 (fr) 2006-11-22
GC0000268A (en) 2006-11-01
CA2397924C (fr) 2010-06-22
BE1013243A3 (fr) 2001-11-06
US20050031813A1 (en) 2005-02-10
RU2258719C2 (ru) 2005-08-20
HUP0204237A2 (hu) 2003-03-28
DE60124672T2 (de) 2007-03-15
AU2001250296B2 (en) 2005-07-14
PT1254184E (pt) 2007-01-31
KR100831607B1 (ko) 2008-05-23
KR20020071947A (ko) 2002-09-13
DE60124672T3 (de) 2013-07-11
PL356592A1 (en) 2004-06-28
HUP0204237A3 (en) 2005-07-28
US7087697B2 (en) 2006-08-08
AR027258A1 (es) 2003-03-19
AU5029601A (en) 2001-07-31
NO20023472D0 (no) 2002-07-19
PL202484B1 (pl) 2009-06-30
ATE346102T1 (de) 2006-12-15
CA2397924A1 (fr) 2001-07-26
EP1254184B2 (fr) 2013-02-20
HU226792B1 (en) 2009-10-28
EP1254184A1 (fr) 2002-11-06
RU2002122406A (ru) 2004-01-10
MXPA02007069A (es) 2003-04-14
NO20023472L (no) 2002-08-26
DE60124672D1 (de) 2007-01-04

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