DE69704376D1 - Filtereinrichtung für gelverringerung in propylencopolymere - Google Patents

Filtereinrichtung für gelverringerung in propylencopolymere

Info

Publication number
DE69704376D1
DE69704376D1 DE69704376T DE69704376T DE69704376D1 DE 69704376 D1 DE69704376 D1 DE 69704376D1 DE 69704376 T DE69704376 T DE 69704376T DE 69704376 T DE69704376 T DE 69704376T DE 69704376 D1 DE69704376 D1 DE 69704376D1
Authority
DE
Germany
Prior art keywords
filter device
propylene copolymers
reducing gel
blend
reducing
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 - Lifetime
Application number
DE69704376T
Other languages
English (en)
Other versions
DE69704376T2 (de
Inventor
Robert Blakeslee
David Khanin
H Bozenbury
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.)
Union Carbide Chemicals and Plastics Technology LLC
Original Assignee
Union Carbide Chemicals and Plastics Technology LLC
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=25032762&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69704376(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Union Carbide Chemicals and Plastics Technology LLC filed Critical Union Carbide Chemicals and Plastics Technology LLC
Publication of DE69704376D1 publication Critical patent/DE69704376D1/de
Application granted granted Critical
Publication of DE69704376T2 publication Critical patent/DE69704376T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B29C48/69—Filters or screens for the moulding 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
    • B29C48/04—Particle-shaped
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B29C48/2725—Cleaning; Purging; Avoiding contamination of filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Filtering Materials (AREA)
DE69704376T 1996-12-03 1997-12-02 Filtereinrichtung für gelverringerung in propylencopolymere Expired - Lifetime DE69704376T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/753,932 US5730885A (en) 1996-12-03 1996-12-03 Screen packs for reducing gels in polypropylene copolymers
PCT/US1997/022434 WO1998024843A1 (en) 1996-12-03 1997-12-02 Screen packs for reducing gels in polypropylene copolymers

Publications (2)

Publication Number Publication Date
DE69704376D1 true DE69704376D1 (de) 2001-04-26
DE69704376T2 DE69704376T2 (de) 2001-10-25

Family

ID=25032762

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69704376T Expired - Lifetime DE69704376T2 (de) 1996-12-03 1997-12-02 Filtereinrichtung für gelverringerung in propylencopolymere

Country Status (11)

Country Link
US (1) US5730885A (de)
EP (1) EP0942951B1 (de)
JP (1) JP3244711B2 (de)
AT (1) ATE199925T1 (de)
CA (1) CA2273947C (de)
CO (1) CO4900086A1 (de)
DE (1) DE69704376T2 (de)
ES (1) ES2159407T3 (de)
ID (1) ID17725A (de)
PT (1) PT942951E (de)
WO (1) WO1998024843A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6110251A (en) * 1998-11-03 2000-08-29 Johns Manville International, Inc. Gas filtration media and method of making the same
DE19854285A1 (de) 1998-11-25 2000-05-31 Targor Gmbh Verfahren zur peroxidischen Behandlung von Olefinpolymerisaten
US7393916B2 (en) * 2005-11-01 2008-07-01 Univation Technologies, Llc Method of reducing gels in polyolefins
US20080268244A1 (en) * 2007-04-30 2008-10-30 Doufas Antonios K Impact copolymers having improved properties
CN101765623B (zh) * 2007-07-26 2012-07-04 住友化学株式会社 聚烯烃类树脂组合物的制造方法
JP2010023464A (ja) * 2008-07-24 2010-02-04 Sumitomo Chemical Co Ltd ポリオレフィン系樹脂組成物の製造方法及びこれに用いる濾過装置
JP5188588B2 (ja) * 2011-03-11 2013-04-24 株式会社神戸製鋼所 ゲル低減方法
US20130176810A1 (en) * 2010-11-12 2013-07-11 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Gel reduction device and gel reduction method
JP4945676B2 (ja) * 2010-11-12 2012-06-06 株式会社神戸製鋼所 ゲル低減装置及びゲル低減方法
ES2692860T3 (es) * 2010-12-20 2018-12-05 Braskem America, Inc. Composiciones a base de propileno de aspecto mejorado y una fluidez en molde excelente
CN103534075B (zh) 2011-05-10 2016-08-31 巴塞尔聚烯烃股份有限公司 用于均化和粒化聚乙烯组合物的方法
CA2847628A1 (en) 2014-03-28 2015-09-28 Nova Chemicals Corporation Improved extrusion process
CN107000295B (zh) 2014-11-19 2019-12-06 埃克森美孚化学专利公司 用于减少凝胶的结构元件以及凝胶减少装置和方法
CN107107433B (zh) 2015-01-21 2019-09-13 尤尼威蒂恩技术有限责任公司 用于聚烯烃中的凝胶减少的方法
US11383416B2 (en) 2015-12-16 2022-07-12 Exxonmobil Chemical Patents Inc. Devices, systems, and processes for processing polymers
WO2017105632A1 (en) 2015-12-16 2017-06-22 Exxonmobil Chemical Patents Inc. Device and process for processing polymers
CN110461882B (zh) 2017-02-03 2021-12-14 埃克森美孚化学专利公司 制备聚乙烯聚合物的方法
CN111373519B (zh) * 2017-11-16 2021-11-23 应用材料公司 高压蒸气退火处理设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125107A (en) * 1964-03-17 Search room
US1818549A (en) * 1929-03-21 1931-08-11 Thames Silk Company Apparatus and method for spinning fibers in precipitating baths
US3154610A (en) * 1961-05-31 1964-10-27 Celanese Corp Process of wet spinning polyamides and prevention of gel formation
US3233288A (en) * 1963-03-21 1966-02-08 Pennsalt Chemicals Corp Molding apparatus
US3215760A (en) * 1962-11-27 1965-11-02 Du Pont Process of a voiding gel particles during extrusion by removal of air from the filter pack prior to spinning
US4175147A (en) * 1976-10-05 1979-11-20 Allied Chemical Corporation Method to reduce deposits of terephthalic acid on cooling rolls during sheet extrusion of amorphous polyethylene terephthalate
US4334783A (en) * 1978-12-21 1982-06-15 Showa Denko Kabushiki Kaisha Mixing device
US4316867A (en) * 1979-10-10 1982-02-23 Eastman Kodak Company Process for removing impurities from polymer solutions
US4661249A (en) * 1985-01-28 1987-04-28 Metallurgical Industries, Inc. Prefilter device for polymeric material
US4681721A (en) * 1985-11-06 1987-07-21 Mobil Oil Corporation Thermoplastic film extrusion process employing die with filtering arrangement
US4822547A (en) * 1987-04-06 1989-04-18 Shell Oil Company Process for the extrusion of compositions comprising polypropylene, polyvinyl alcohol and a polypropylene-polyvinyl alcohol adhesive
US5076988A (en) * 1990-03-09 1991-12-31 Union Carbide Chemicals And Plastics Technology Corporation Process for the extrusion of low density polyethylene
US5414034A (en) * 1993-03-29 1995-05-09 General Electric Company Processing stabilizer formulations
DE69416456D1 (de) * 1993-06-16 1999-03-25 Union Carbide Chem Plastic Vorrichtung und Verfahren zum kontinuierlichen Pelletisieren von thermoplastischen Kunststoffen

Also Published As

Publication number Publication date
ES2159407T3 (es) 2001-10-01
EP0942951B1 (de) 2001-03-21
DE69704376T2 (de) 2001-10-25
CA2273947A1 (en) 1998-06-11
ID17725A (id) 1998-01-22
JP2000511967A (ja) 2000-09-12
CO4900086A1 (es) 2000-03-27
ATE199925T1 (de) 2001-04-15
CA2273947C (en) 2008-03-18
EP0942951A1 (de) 1999-09-22
JP3244711B2 (ja) 2002-01-07
US5730885A (en) 1998-03-24
WO1998024843A1 (en) 1998-06-11
PT942951E (pt) 2001-08-30

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Legal Events

Date Code Title Description
8363 Opposition against the patent