DK187388A - Fremgangsmaade til fremstilling af propylenhomopolymer- eller -copolymerpellets - Google Patents

Fremgangsmaade til fremstilling af propylenhomopolymer- eller -copolymerpellets

Info

Publication number
DK187388A
DK187388A DK187388A DK187388A DK187388A DK 187388 A DK187388 A DK 187388A DK 187388 A DK187388 A DK 187388A DK 187388 A DK187388 A DK 187388A DK 187388 A DK187388 A DK 187388A
Authority
DK
Denmark
Prior art keywords
pellets
polymer
homopolymer
propylen
procedure
Prior art date
Application number
DK187388A
Other languages
Danish (da)
English (en)
Other versions
DK187388D0 (da
Inventor
Bernard Berrier
Jean-Claude Roustant
Original Assignee
Bp Chem Int Ltd
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 Chem Int Ltd filed Critical Bp Chem Int Ltd
Publication of DK187388D0 publication Critical patent/DK187388D0/da
Publication of DK187388A publication Critical patent/DK187388A/da

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
    • C08F8/00Chemical modification by after-treatment
    • C08F8/50Partial depolymerisation
    • 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
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • 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
    • 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
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • 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
    • C08F2800/00Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/20Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
    • 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
    • C08F2810/00Chemical modification of a polymer
    • C08F2810/10Chemical modification of a polymer including a reactive processing step which leads, inter alia, to morphological and/or rheological modifications, e.g. visbreaking

Landscapes

  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Planar Illumination Modules (AREA)
  • Medicinal Preparation (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymerisation Methods In General (AREA)
DK187388A 1987-04-07 1988-04-06 Fremgangsmaade til fremstilling af propylenhomopolymer- eller -copolymerpellets DK187388A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8704888A FR2613722B1 (fr) 1987-04-07 1987-04-07 Procede de fabrication de granules d'homopolymere ou de copolymere de propylene

Publications (2)

Publication Number Publication Date
DK187388D0 DK187388D0 (da) 1988-04-06
DK187388A true DK187388A (da) 1988-10-08

Family

ID=9349881

Family Applications (1)

Application Number Title Priority Date Filing Date
DK187388A DK187388A (da) 1987-04-07 1988-04-06 Fremgangsmaade til fremstilling af propylenhomopolymer- eller -copolymerpellets

Country Status (12)

Country Link
US (1) US4897452A (fi)
EP (1) EP0287239B1 (fi)
JP (1) JPS63265925A (fi)
AT (1) ATE97138T1 (fi)
CA (1) CA1326316C (fi)
DE (1) DE3885494T2 (fi)
DK (1) DK187388A (fi)
ES (1) ES2059508T3 (fi)
FI (1) FI88930C (fi)
FR (1) FR2613722B1 (fi)
NO (1) NO173877C (fi)
PT (1) PT87178B (fi)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1324129C (en) * 1987-04-30 1993-11-09 Ryuzo Ueno Prostaglandins of the f series
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
US5198506A (en) * 1991-05-10 1993-03-30 Phillips Petroleum Company High organic peroxide content polypropylene
US5368919A (en) * 1993-05-20 1994-11-29 Himont Incorporated Propylene polymer compositions containing high melt strength propylene polymer material
US5443898A (en) * 1993-06-29 1995-08-22 Fiberweb North America, Inc. Nonwoven webs and method of making same
US5594074A (en) * 1995-02-21 1997-01-14 Shell Oil Company Process for improving processability of ultra low melt viscosity polymer
DE69619603T2 (de) * 1995-07-28 2002-09-26 Tosoh Corp Formmasse, Zusammensetzung die diese Formmasse enthält und Verfahren zu deren Herstellung
US5587434A (en) * 1995-10-13 1996-12-24 Union Carbide Chemicals & Plastics Technology Corporation Process for polymer degradation
TW341579B (en) * 1996-06-24 1998-10-01 Akzo Nobel Nv Process for enhancing the melt strength of polypropylene (co)polymers
US6103833A (en) * 1997-06-12 2000-08-15 Akzo Nobel N.V. Process for enhancing the melt strength of polypropylene (co)polymers
IT1304499B1 (it) * 1998-12-22 2001-03-19 Enichem Spa Procedimento per ridurre il peso molecolare di copolimeri eterpolimeri dell'etilene.
US6359077B1 (en) * 2000-03-29 2002-03-19 Union Carbide Chemicals & Plastics Technology Corporation Process for producing high melt flow polymers
US7998579B2 (en) * 2002-08-12 2011-08-16 Exxonmobil Chemical Patents Inc. Polypropylene based fibers and nonwovens
US7271209B2 (en) * 2002-08-12 2007-09-18 Exxonmobil Chemical Patents Inc. Fibers and nonwovens from plasticized polyolefin compositions
US8003725B2 (en) * 2002-08-12 2011-08-23 Exxonmobil Chemical Patents Inc. Plasticized hetero-phase polyolefin blends
AU2003272213A1 (en) * 2002-08-12 2004-02-25 Exxonmobil Chemical Patents Inc. Plasticized polyolefin compositions
US7531594B2 (en) * 2002-08-12 2009-05-12 Exxonmobil Chemical Patents Inc. Articles from plasticized polyolefin compositions
US6992146B2 (en) * 2002-08-22 2006-01-31 Sunoco Inc. (R&M) Very low melt viscosity resin
US6855777B2 (en) * 2002-08-22 2005-02-15 Sunoco, Inc. (R&M) Very low melt viscosity resin
US7550528B2 (en) 2002-10-15 2009-06-23 Exxonmobil Chemical Patents Inc. Functionalized olefin polymers
CA2499951C (en) 2002-10-15 2013-05-28 Peijun Jiang Multiple catalyst system for olefin polymerization and polymers produced therefrom
US7700707B2 (en) 2002-10-15 2010-04-20 Exxonmobil Chemical Patents Inc. Polyolefin adhesive compositions and articles made therefrom
JP2004217913A (ja) * 2002-12-27 2004-08-05 Nof Corp 水酸基変性エチレン−α−オレフィン系共重合体及びその組成物並びに水酸基変性エチレン−α−オレフィン系共重合体の製造方法
WO2004060933A1 (ja) * 2002-12-27 2004-07-22 Nof Corporation 水酸基変性エチレン−α−オレフィン系共重合体の製造方法
US8192813B2 (en) 2003-08-12 2012-06-05 Exxonmobil Chemical Patents, Inc. Crosslinked polyethylene articles and processes to produce same
ITMI20032550A1 (it) * 2003-12-22 2005-06-23 Polimeri Europa Spa Mescole elastomeriche a base di nerofumo
JP2006022237A (ja) * 2004-07-09 2006-01-26 Nof Corp ゴム組成物および架橋物
US8389615B2 (en) * 2004-12-17 2013-03-05 Exxonmobil Chemical Patents Inc. Elastomeric compositions comprising vinylaromatic block copolymer, polypropylene, plastomer, and low molecular weight polyolefin
WO2007011530A2 (en) 2005-07-15 2007-01-25 Exxonmobil Chemical Patents, Inc. Elastomeric compositions
EP1847555A1 (en) * 2006-04-18 2007-10-24 Borealis Technology Oy Multi-branched Polypropylene
US20100124607A1 (en) 2008-11-19 2010-05-20 Berti Douglas A Adhesive Compositions And Methods Of Making The Same
US20120028866A1 (en) 2010-07-28 2012-02-02 Sudhin Datta Viscosity Modifiers Comprising Blends of Ethylene-Based Copolymers
US8378042B2 (en) * 2009-04-28 2013-02-19 Exxonmobil Chemical Patents Inc. Finishing process for amorphous polymers
EP2526133B1 (en) 2010-01-22 2015-04-22 ExxonMobil Chemical Patents Inc. Ethylene copolymers, methods for their production, and use
US9376597B2 (en) * 2010-11-19 2016-06-28 Henkel Ag & Co. Kgaa Adhesive composition and use thereof
JP6089839B2 (ja) * 2013-03-21 2017-03-08 住友化学株式会社 プロピレン樹脂組成物の製造方法及び該プロピレン樹脂組成物からなる成形体
WO2015085390A2 (pt) * 2013-12-13 2015-06-18 Braskem S.A. Método de preparação de polipropileno de reologia controlada, polipropileno e seu uso, e artigos de manufatura
JP6502530B2 (ja) 2015-02-04 2019-04-17 エクソンモービル ケミカル パテンツ インコーポレイテッド バランスのとれた歪み硬化、溶融強度、およびずり減粘を有するポリプロピレン
WO2016164111A1 (en) * 2015-04-10 2016-10-13 Exxonmobil Chemical Patents Inc. Extrusion of polypropylenes with organic peroxides
US11053371B2 (en) * 2015-10-02 2021-07-06 Borealis Ag Melt-blown webs with improved properties
ES2749861T3 (es) * 2016-06-13 2020-03-24 Borealis Ag Bandas sopladas por fusión de alta calidad con propiedades de barrera mejoradas
WO2018147944A1 (en) 2017-02-07 2018-08-16 Exxonmobil Chemical Patents Inc. High melt strength polypropylenes with improved processability
CN110248995A (zh) 2017-02-07 2019-09-17 埃克森美孚化学专利公司 具有改进的加工性的高熔体强度聚丙烯
WO2022122722A1 (en) 2020-12-08 2022-06-16 Sabic Global Technologies B.V. Melt-blown web made of polypropylene

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL298986A (fi) * 1963-01-09 1900-01-01
AT290114B (de) * 1968-08-12 1971-05-25 Basf Ag Verfahren zum Herstellen von gut weiterverarbeitbarem granulatförmigen Propylen-Polymerisat
US4025706A (en) * 1974-11-27 1977-05-24 Union Carbide Corporation Composition with peroxides and process for avoiding scorching of ethylene polymer composition
CA1210176A (en) * 1981-06-15 1986-08-19 Michael T. Morman Degradation of polypropylene for future improved processability
US4743391A (en) * 1983-03-28 1988-05-10 Chevron Research Company Method for oxidatively degrading an olefinic polymer

Also Published As

Publication number Publication date
PT87178B (pt) 1992-07-31
DE3885494T2 (de) 1994-02-24
FR2613722B1 (fr) 1990-11-23
CA1326316C (en) 1994-01-18
FI88930B (fi) 1993-04-15
DE3885494D1 (de) 1993-12-16
EP0287239B1 (en) 1993-11-10
ATE97138T1 (de) 1993-11-15
NO881465D0 (no) 1988-04-06
FI88930C (fi) 1993-07-26
FR2613722A1 (fr) 1988-10-14
EP0287239A1 (en) 1988-10-19
JPS63265925A (ja) 1988-11-02
US4897452A (en) 1990-01-30
ES2059508T3 (es) 1994-11-16
NO881465L (no) 1988-10-10
NO173877C (no) 1994-02-16
PT87178A (pt) 1988-05-01
NO173877B (no) 1993-11-08
FI881620A0 (fi) 1988-04-07
DK187388D0 (da) 1988-04-06
FI881620A (fi) 1988-10-08

Similar Documents

Publication Publication Date Title
DK187388A (da) Fremgangsmaade til fremstilling af propylenhomopolymer- eller -copolymerpellets
JPS5322582A (en) Production of polyethylene
JPS5341348A (en) Mixture of stabilizers for poly-alpha-olefin
JPS527892A (en) Process for producing catalyst components for polymerization of alpha-olefin
JPS5345425A (en) Production of flame-resistant fibers
JPS51138791A (en) Method for manufacturing a crystalline chlorinated polyethyl ene
JPS5562934A (en) Production of crosslinked polyolefin resin molding with improved property
JPS52131464A (en) Manufacture of semiconductor device
JPS51149345A (en) Manufacturing polyolfin resin composition
JPS51149343A (en) Polypropylene resin composition with enhanced flame retardancy
JPS5438389A (en) Preparation of highly crystalline polyolefin
JPS5390355A (en) Fluorine-containing copolymer composition having improved weatherability
JPS5778408A (en) Production of ethylene copolymer
JPS5240551A (en) Polyolefin resin compositions
JPS53138450A (en) Manufacture of molded article of radiation cross linked polyvinyl chloride composition
JPS5356244A (en) Production of crosslinked ethylene resin granules
JPS5284971A (en) Production of semiconductor device
JPS55142620A (en) Method of improving slack produced in packing film having hygroscopicity
JPS52119693A (en) Preparation of ethylene polymers with tubular reactors
JPS5358550A (en) Crosslinking of polymers
JPS5365422A (en) Production of polyvinyl chloride fibers having improved heat resistance
JPS528055A (en) Method for heat-treating of vinyl chloride polymers
JPS5226545A (en) Novel method for crosslinking ethylene polymers by irradiation
JPS5428346A (en) Low temperature vulcanizable composition
JPS5223594A (en) Process for producing catalytic component for the polymerization of alpha-olefin

Legal Events

Date Code Title Description
AHB Application shelved due to non-payment