BR9916294A - Redução do acúmulo de extrusão de composições poliméricas no gume de matriz - Google Patents

Redução do acúmulo de extrusão de composições poliméricas no gume de matriz

Info

Publication number
BR9916294A
BR9916294A BR9916294-6A BR9916294A BR9916294A BR 9916294 A BR9916294 A BR 9916294A BR 9916294 A BR9916294 A BR 9916294A BR 9916294 A BR9916294 A BR 9916294A
Authority
BR
Brazil
Prior art keywords
matrix
accumulation
extrusion
edge
reduction
Prior art date
Application number
BR9916294-6A
Other languages
English (en)
Inventor
Rob Lee Jacobs
Daniel Kenneth Schiffer
Billy Ray Jones
Steven Edward Knothe
Original Assignee
Kimberly Clark 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 Kimberly Clark Co filed Critical Kimberly Clark Co
Publication of BR9916294A publication Critical patent/BR9916294A/pt

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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
    • 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
    • B29C48/03—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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/272—Cleaning; Purging; Avoiding contamination of dies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

"REDUçãO DO ACúMULO DE EXTRUSãO DE COMPOSIçõES POLIMéRICAS NO GUME DE MATRIZ". Processo para extrusão de matriz de polímeros fundidos que reduz o acúmulo no gume de matriz e seus efeitos prejudiciais. A extrusão direta de pelotas poliméricas misturadas e pelotas concentradas de carga em uma concretização evita uma etapa de pré-compostagem e reduz a tendência do polímero e das partículas de carga de aderirem à porção de saída da matriz. Em outras concretizações, um raio de gume de matriz reduzido e temperaturas de processamento de fusão inferiores adicionalmente melhoram os benefícios obtidos. Para película de múltiplas camadas co-extrusada, as concretizações de eliminação de cargas e aditivos antibloqueio nas camadas de revestimento adicionam-se aos níveis de redução de acúmulo no gume da matriz obtidos. Horas de operação contínua sem acúmulo excessivo no gume da matriz em uma disposição, foram aumentadas de um nível de 4 a 6, por exemplo, para mais de 20 horas. Os níveis de defeito de produto reduzido foram também obtidos.
BR9916294-6A 1998-12-18 1999-12-16 Redução do acúmulo de extrusão de composições poliméricas no gume de matriz BR9916294A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11280498P 1998-12-18 1998-12-18
US09/447,015 US6245271B1 (en) 1998-12-18 1999-11-22 Reduced die lip buildup extrusion of polymer compositions
PCT/US1999/029858 WO2000037235A1 (en) 1998-12-18 1999-12-16 Reduced die lip buildup extrusion of polymer compositions

Publications (1)

Publication Number Publication Date
BR9916294A true BR9916294A (pt) 2001-10-16

Family

ID=26810373

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9916294-6A BR9916294A (pt) 1998-12-18 1999-12-16 Redução do acúmulo de extrusão de composições poliméricas no gume de matriz

Country Status (8)

Country Link
US (1) US6245271B1 (pt)
EP (1) EP1140460B1 (pt)
JP (1) JP2002532298A (pt)
CN (1) CN1133536C (pt)
AU (1) AU755816B2 (pt)
BR (1) BR9916294A (pt)
DE (1) DE69920264T2 (pt)
WO (1) WO2000037235A1 (pt)

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US7018945B2 (en) * 2002-07-02 2006-03-28 Kimberly-Clark Worldwide, Inc. Composition and method for treating fibers and nonwoven substrates
US20040005457A1 (en) * 2002-07-03 2004-01-08 Kimberly-Clark Worldwide, Inc. Methods of improving the softness of fibers and nonwoven webs and fibers and nonwoven webs having improved softness
US6875387B2 (en) * 2002-12-10 2005-04-05 General Electric Polyphenylene ether compositions with improved die lip buildup performance
US20050118435A1 (en) * 2003-12-01 2005-06-02 Kimberly-Clark Worldwide, Inc. Films and methods of forming films having polyorganosiloxane enriched surface layers
US7326751B2 (en) * 2003-12-01 2008-02-05 Kimberly-Clark Worlwide, Inc. Method of thermally processing elastomeric compositions and elastomeric compositions with improved processability
US20050245687A1 (en) * 2004-04-30 2005-11-03 Appel Marvin R Multimodal polyethylene extrusion
MX2007002476A (es) * 2004-09-01 2007-05-10 Pliant Corp Pelicula de cubierta vaciada en frio.
DE102005020424A1 (de) * 2005-04-29 2006-11-02 Röhm Gmbh Verfahren zur Herstellung einer Folie aus thermoplastischem Kunststoff, Folie und Verwendung der Folie
MX2007014151A (es) * 2005-05-12 2008-02-07 Clopay Plastic Prod Co Peliculas elastomericas con revestimientos fragiles sin bloqueo.
EP1820520A1 (de) * 2006-02-06 2007-08-22 Collano AG Wundabdeckung und dessen Extrusionsbeschichtungsherstellungsverfahren
JP2008001081A (ja) * 2006-05-22 2008-01-10 Fujifilm Corp セルロース系樹脂フィルム及びその製造方法
JP5426822B2 (ja) * 2006-11-07 2014-02-26 コラノ・アクチェンゲゼルシャフト 創傷被覆物およびその製造法
MX350489B (es) 2010-12-30 2017-09-07 Dow Global Technologies Llc Ensamblaje de matriz con soporte de matriz enfriado.
US9492332B2 (en) 2014-05-13 2016-11-15 Clopay Plastic Products Company, Inc. Breathable and microporous thin thermoplastic film
US11472085B2 (en) 2016-02-17 2022-10-18 Berry Plastics Corporation Gas-permeable barrier film and method of making the gas-permeable barrier film
CN105729748B (zh) * 2016-04-12 2018-06-01 湖北新源四氟滤材有限公司 聚四氟乙烯同步多层分切多层共挤挤出装置
US11584111B2 (en) 2018-11-05 2023-02-21 Windmoeller & Hoelscher Kg Breathable thermoplastic film with reduced shrinkage
IT202100020009A1 (it) 2021-07-27 2023-01-27 Savare I C S R L Formulazioni adesive termofusibili con migliorata processabilita’ in estrusione

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Also Published As

Publication number Publication date
WO2000037235A1 (en) 2000-06-29
DE69920264T2 (de) 2005-01-20
DE69920264D1 (de) 2004-10-21
CN1133536C (zh) 2004-01-07
CN1330586A (zh) 2002-01-09
AU755816B2 (en) 2002-12-19
JP2002532298A (ja) 2002-10-02
EP1140460B1 (en) 2004-09-15
EP1140460A1 (en) 2001-10-10
AU2188000A (en) 2000-07-12
US6245271B1 (en) 2001-06-12

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements