DK0728796T3 - Fremgangsmåde til forbedring af forarbejdeligheden af polymer med ultralav smelteviskositet - Google Patents

Fremgangsmåde til forbedring af forarbejdeligheden af polymer med ultralav smelteviskositet

Info

Publication number
DK0728796T3
DK0728796T3 DK96301120T DK96301120T DK0728796T3 DK 0728796 T3 DK0728796 T3 DK 0728796T3 DK 96301120 T DK96301120 T DK 96301120T DK 96301120 T DK96301120 T DK 96301120T DK 0728796 T3 DK0728796 T3 DK 0728796T3
Authority
DK
Denmark
Prior art keywords
extruder
free radical
radical generator
melt viscosity
low melt
Prior art date
Application number
DK96301120T
Other languages
English (en)
Inventor
Chin-Yuan George Ma
J R James Douglas Mccullough
Charles Chiu-Hsiung Hwo
Original Assignee
Shell Oil 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
Application filed by Shell Oil Co filed Critical Shell Oil Co
Application granted granted Critical
Publication of DK0728796T3 publication Critical patent/DK0728796T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion 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
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/297—Feeding the extrusion material to the extruder at several locations, e.g. using several hoppers or using a separate additive feeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B29C67/246—Moulding high reactive monomers or prepolymers, e.g. by reaction injection moulding [RIM], liquid injection moulding [LIM]
    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/14—Peroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • B29B2009/165—Crystallizing granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • 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
    • 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
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/10—Chemical modification of a polymer including a reactive processing step which leads, inter alia, to morphological and/or rheological modifications, e.g. visbreaking
DK96301120T 1995-02-21 1996-02-20 Fremgangsmåde til forbedring af forarbejdeligheden af polymer med ultralav smelteviskositet DK0728796T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/395,365 US5594074A (en) 1995-02-21 1995-02-21 Process for improving processability of ultra low melt viscosity polymer

Publications (1)

Publication Number Publication Date
DK0728796T3 true DK0728796T3 (da) 1999-11-22

Family

ID=23562740

Family Applications (1)

Application Number Title Priority Date Filing Date
DK96301120T DK0728796T3 (da) 1995-02-21 1996-02-20 Fremgangsmåde til forbedring af forarbejdeligheden af polymer med ultralav smelteviskositet

Country Status (8)

Country Link
US (1) US5594074A (da)
EP (1) EP0728796B1 (da)
JP (1) JPH08276422A (da)
AT (1) ATE181939T1 (da)
DE (1) DE69603099T2 (da)
DK (1) DK0728796T3 (da)
ES (1) ES2136364T3 (da)
GR (1) GR3031170T3 (da)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19755726A1 (de) * 1997-12-15 1999-06-17 Ticona Gmbh Verfahren zur Herstellung von thermoplastischen Kunststoff-Formmassen
US6060584A (en) * 1998-05-13 2000-05-09 Eastman Chemical Company Process for the degradation of polyolefins
US6433133B1 (en) 1999-11-16 2002-08-13 Eastman Chemical Company Process for reducing the weight average molecular weight and melt index ratio of polyethylenes and polyethylene products
US6426026B1 (en) * 1999-12-28 2002-07-30 Union Carbide Chemicals & Plastics Technology Corporation Process for pelletizing ultra-high melt flow polymers
US6359077B1 (en) * 2000-03-29 2002-03-19 Union Carbide Chemicals & Plastics Technology Corporation Process for producing high melt flow polymers
EP1167000A1 (en) * 2000-06-26 2002-01-02 Tema Technopolymers S.r.l. Process for manufacturing articles of polymeric material
DE60213865T2 (de) * 2001-11-30 2007-03-08 Univation Technologies, LLC, Houston Sauerstoffeinstellung für polyethylenharze
US6691558B1 (en) 2002-07-31 2004-02-17 General Electric Company In-line rheometer device and method
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
US7531594B2 (en) * 2002-08-12 2009-05-12 Exxonmobil Chemical Patents Inc. Articles from plasticized polyolefin compositions
EP1530611B1 (en) * 2002-08-12 2013-12-04 ExxonMobil Chemical Patents Inc. Plasticized polyolefin compositions
US6855777B2 (en) * 2002-08-22 2005-02-15 Sunoco, Inc. (R&M) Very low melt viscosity resin
US6992146B2 (en) * 2002-08-22 2006-01-31 Sunoco Inc. (R&M) Very low melt viscosity resin
US7541402B2 (en) * 2002-10-15 2009-06-02 Exxonmobil Chemical Patents Inc. Blend functionalized polyolefin adhesive
CN101724110B (zh) * 2002-10-15 2013-03-27 埃克森美孚化学专利公司 用于烯烃聚合的多催化剂体系和由其生产的聚合物
US7700707B2 (en) 2002-10-15 2010-04-20 Exxonmobil Chemical Patents Inc. Polyolefin adhesive compositions and articles made therefrom
US8192813B2 (en) 2003-08-12 2012-06-05 Exxonmobil Chemical Patents, Inc. Crosslinked polyethylene articles and processes to produce same
US7632086B2 (en) 2003-10-03 2009-12-15 Exxonmobil Chemical Patents Inc. Melt fracture reduction
US7892466B2 (en) 2004-08-19 2011-02-22 Univation Technologies, Llc Oxygen tailoring of polyethylene resins
US8202940B2 (en) 2004-08-19 2012-06-19 Univation Technologies, Llc Bimodal polyethylene compositions for blow molding applications
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
JP5438966B2 (ja) 2005-07-15 2014-03-12 エクソンモービル・ケミカル・パテンツ・インク エラストマ組成物
EP2113364A1 (en) * 2008-03-31 2009-11-04 Ineos Europe Limited Apparatus and process
ES2655738T3 (es) 2008-11-19 2018-02-21 Exxonmobil Chemical Patents Inc. Composiciones adhesivas y métodos para su fabricación
BR112013001966A2 (pt) * 2010-07-27 2019-09-24 Henkel Ag & Co Kgaa processo para a fabricação de um adesivo por meio de extrusão
JP5560450B2 (ja) * 2010-09-01 2014-07-30 株式会社神戸製鋼所 混練押出機での粘度調整方法、および、混練押出機
CN104589523B (zh) * 2015-01-16 2017-08-01 湖南盛锦新材料有限公司 一种聚丙烯熔喷无纺布专用料生产方法及生产设备
PL3235833T3 (pl) 2016-04-22 2019-04-30 Borealis Ag Sposób krakowania wstępnego
KR101975590B1 (ko) * 2017-06-12 2019-05-07 최병국 반용융 완전용융 겸용 폐수지 재생장치 및 폐수지 재생방법
JP7029917B2 (ja) * 2017-09-28 2022-03-04 城東テクノ株式会社 造粒機、造粒方法及び加工方法
EP3670547B1 (en) 2018-12-21 2023-06-07 Borealis AG Polypropylene composition for film sealing layer
CN112341643B (zh) * 2020-09-21 2022-06-07 江苏鑫易达新材料科技有限公司 一种tpu色母粒和抗迁移打印tpu膜及其制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451589A (en) * 1981-06-15 1984-05-29 Kimberly-Clark Corporation Method of improving processability of polymers and resulting polymer compositions
CA1210176A (en) * 1981-06-15 1986-08-19 Michael T. Morman Degradation of polypropylene for future improved processability
US4721589A (en) * 1983-09-22 1988-01-26 Harrel, Inc. Extruder viscosity control system and method
US4514534A (en) * 1984-04-13 1985-04-30 United States Steel Corporation Modified polypropylene for film
US4578430A (en) * 1984-12-19 1986-03-25 Shell Oil Company Controlled degradation or cracking of alpha-olefin polymers
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
US4707524A (en) * 1986-05-06 1987-11-17 Aristech Chemical Corporation Controlled-rheology polypropylene
FR2613722B1 (fr) * 1987-04-07 1990-11-23 Bp Chimie Sa Procede de fabrication de granules d'homopolymere ou de copolymere de propylene
US5264493A (en) * 1988-02-19 1993-11-23 Fina Research, S.A. Process for the treatment of polypropylene
WO1991016716A1 (en) * 1990-04-24 1991-10-31 Ferro Corporation Free-radical modified carbon black filled polypropylenes

Also Published As

Publication number Publication date
US5594074A (en) 1997-01-14
EP0728796A3 (en) 1997-02-26
ES2136364T3 (es) 1999-11-16
DE69603099D1 (de) 1999-08-12
EP0728796B1 (en) 1999-07-07
JPH08276422A (ja) 1996-10-22
ATE181939T1 (de) 1999-07-15
DE69603099T2 (de) 2000-01-20
GR3031170T3 (en) 1999-12-31
EP0728796A2 (en) 1996-08-28

Similar Documents

Publication Publication Date Title
DK0728796T3 (da) Fremgangsmåde til forbedring af forarbejdeligheden af polymer med ultralav smelteviskositet
IT1235648B (it) Procedimento di mescolazione di siliconi ad alta densita'.
DK526285A (da) Skum af let tvaerbundet lineaer olefinisk polymer og fremgangsmaade til fremstilling deraf
KR960004140B1 (en) Method of feeding silane cross linking agents into extruder
ES2001236A6 (es) Procedimiento para producir articulos de polietileno con un elevado modulo y una elevada resistencia a la traccion
NO840992L (no) Polymersammensetning og fremstilling av samme
AU5657699A (en) Foamed polypropylene
NO903826L (no) Ekstruder og framgangsmaate for blanding av termo-plast ogfiber.
RU2003126605A (ru) Полимерные волокна
CA2105264A1 (en) Resin compositions, production process thereof, and products using the resin compositions
ES2160766T3 (es) Recocido en linea de hilos de sutura.
BR9005992A (pt) Processo para produzir espuma de resina sintetica e espuma de resina sintetica
BR0010117A (pt) Processo de fiação por fusão e composição
EP0703274A3 (de) Verfahren zur Herstellung von Mischungen aus hochmolekularem Polyisobutylen und thermoplastischen Polymeren
JPS5352731A (en) Method of melt spinning of acrylonitrile polymer
TW324017B (en) Process of producing ethylene polymer foam structure
AU7147496A (en) Elastic fibre
MX9601898A (es) Metodo para modificar el esqueleto de resinas polimericas.
NO970811L (no) Polymermateriale basert på polypropylen og polybutylentereftalat