CO4560426A1 - Un proceso para producir articulos de poliester con bajo contenido de acetaldehido - Google Patents

Un proceso para producir articulos de poliester con bajo contenido de acetaldehido

Info

Publication number
CO4560426A1
CO4560426A1 CO96040855A CO96040855A CO4560426A1 CO 4560426 A1 CO4560426 A1 CO 4560426A1 CO 96040855 A CO96040855 A CO 96040855A CO 96040855 A CO96040855 A CO 96040855A CO 4560426 A1 CO4560426 A1 CO 4560426A1
Authority
CO
Colombia
Prior art keywords
polymer
produce low
understanding
extruder
transporting
Prior art date
Application number
CO96040855A
Other languages
English (en)
Inventor
Wayne Nelson Gregory
Clinton Cherry
Eric Gray Olsen
Original Assignee
Eastman Chem 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 Eastman Chem Co filed Critical Eastman Chem Co
Publication of CO4560426A1 publication Critical patent/CO4560426A1/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/88—Post-polymerisation treatment
    • C08G63/90—Purification; Drying
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
    • B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/86—Component parts, details or accessories; Auxiliary operations for working at sub- or superatmospheric pressure
    • 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
    • B29C48/505—Screws
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • 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
    • 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
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0002—Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

SE HA DIVULGADO UN PROCESO PARA REMOVER ACETALDEHI DO DE POLIESTER QUE COMPRENDE LOS PASOS DE, TRANPORTAR POLIESTER FUNDIDO A UN TRANSPORTADOR DE TORNILLO CONTINUO DESFOGADO QUE TIENE UNA ZONA DE COMPRENSION DE POLIMERO. ROTAR EL TORNILLO DE DICHO TRANSPORTADOR DE MODO QUE COMPRIMA Y TRANSPORTE A TRAVES DEL EXTRUSOR EL POLIMERO FUNDIDO POR UN TIEMPO NO MENOR DE 15 MINU TOS Y A UNA TEMPERATURA NO MENOR DE 300 GRADOS CEN TIGRADOS. SIMULTANEAMENTE CON EL PASO b) HACER FLUIR UN AGEN TE PURGANTE DENTRO Y FUERA DE DICHO DICHO EXTRUSOR PARA ASI REMOVER LAS IMPUREZAS VOLATILES Y EVITAR LA APRECIABLE ACUMULACION DE ACETALDEHIDOS. TRANSPORTAR LA COLADA DE POLIMERO DESVOLATIZADO A UN MOLDE EN DONDE SE FORMA EL ARTICULO DE MANUFAC- TURA. VER FIGURA 1.
CO96040855A 1995-08-01 1996-08-01 Un proceso para producir articulos de poliester con bajo contenido de acetaldehido CO4560426A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/624,028 US5597891A (en) 1995-08-01 1995-08-01 Process for producing polyester articles having low acetaldehyde content

Publications (1)

Publication Number Publication Date
CO4560426A1 true CO4560426A1 (es) 1998-02-10

Family

ID=24500342

Family Applications (1)

Application Number Title Priority Date Filing Date
CO96040855A CO4560426A1 (es) 1995-08-01 1996-08-01 Un proceso para producir articulos de poliester con bajo contenido de acetaldehido

Country Status (16)

Country Link
US (1) US5597891A (es)
EP (1) EP0842211B1 (es)
JP (1) JP3547761B2 (es)
CN (1) CN1080274C (es)
AR (1) AR003076A1 (es)
AT (1) ATE217892T1 (es)
AU (1) AU6684996A (es)
BR (1) BR9609746A (es)
CA (1) CA2227609A1 (es)
CO (1) CO4560426A1 (es)
DE (1) DE69621340T2 (es)
ES (1) ES2177795T3 (es)
MX (1) MX9800876A (es)
MY (1) MY132235A (es)
WO (1) WO1997005187A1 (es)
ZA (1) ZA966251B (es)

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KR100186291B1 (ko) * 1995-08-09 1999-05-15 안시환 폴리에스테르 수지의 제조방법 및 이를 위한 장치
US5791705A (en) * 1996-09-06 1998-08-11 Romero; Ramiro Roy Tool holding apparatus for persons with limited use of hands
US5976432A (en) * 1996-09-09 1999-11-02 Plymouth Products, Inc. Method and apparatus for the continuous extrusion of block elements
US6099778A (en) * 1996-10-28 2000-08-08 Eastman Chemical Company Process for producing pet articles with low acetaldehyde
DE19710098A1 (de) * 1997-03-12 1998-09-17 Paul Stehning Gmbh Verfahren zur Erzeugung von PET-Recyclat aus Flakes, sowie nach dem Verfahren erzeugtes PET-Produkt
US5980797A (en) * 1997-03-20 1999-11-09 Eastman Chemical Company Apparatus and method for molding polyester articles having low acetaldehyde content directly from the melt formation using flash tank devoltatilization
US5968429A (en) * 1997-03-20 1999-10-19 Eastman Chemical Company Apparatus and method for molding of polyester articles directly from a melt
AU738285B2 (en) * 1997-08-18 2001-09-13 Teijin Limited A copolyester for molding a bottle
US5932691A (en) * 1997-12-05 1999-08-03 Union Carbide Chemicals & Plastics Technology Corporation Process for devolatilization
US6160086A (en) * 1998-07-30 2000-12-12 3M Innovative Properties Company Process for removing impurities from polymers
DE19854689A1 (de) * 1998-11-26 2000-06-08 Buehler Ag Verfahren und Vorrichtung zur Aufbereitung eines thermoplastischen Polykondensats
JP4054510B2 (ja) * 2000-04-27 2008-02-27 住友化学株式会社 メタクリル酸メチル系樹脂加工品の製造方法
US6380352B1 (en) 2000-08-29 2002-04-30 Eastman Chemical Company Polyester precursor purification process
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US6762276B2 (en) 2002-02-27 2004-07-13 Eastman Chemical Company Hydrogenation of polyester oligomers containing terephthalic acid residues
ITBG20020011A1 (it) * 2002-03-29 2003-09-29 Silvia Marabini Analizzatore automatico e rapido del contenuto di acetaldeide in prodotti di pet, particolarmente preforme e suo procedimento realizzativo.
DE10241297A1 (de) * 2002-09-04 2004-03-18 Basf Ag Thermoplastische Polyesterformmassen
US20040146674A1 (en) * 2003-01-29 2004-07-29 Howell Earl Edmondson Acetaldehyde scavenging by addition of active scavengers to bottle closures
FR2855093B1 (fr) * 2003-05-21 2006-06-23 Air Liquide Procede et dispositif de production de preformes en polyethylene terephthalate
US6762275B1 (en) 2003-05-27 2004-07-13 The Coca-Cola Company Method to decrease the acetaldehyde content of melt-processed polyesters
US20050010017A1 (en) * 2003-07-11 2005-01-13 Blakely Dale Milton Addition of UV inhibitors to pet process for maximum yield
US20050029712A1 (en) * 2003-08-05 2005-02-10 Nahill Thomas E. Continuous production of container preforms
US20050049391A1 (en) * 2003-08-28 2005-03-03 Mark Rule Polyester composition and articles with reduced acetaldehyde content and method using vinyl esterification catalyst
US7179881B2 (en) * 2003-09-19 2007-02-20 Eastman Chemical Company Process for heating PET pellet feed to a solid stating process by heat exchange with hot solid stated pellets
MXPA06003846A (es) * 2003-10-10 2006-07-03 Asahi Kasei Chemicals Corp Procedimiento para producir tereftalato de polialquileno, procedimiento para producir moldeado de tereftalato de polialquileno y moldeado de tereftalato de polialquileno.
DE10348425B4 (de) * 2003-10-14 2008-07-24 Bühler AG Verfahren zur Herstellung eines Profils aus einem Polykondensat
WO2005070644A1 (en) * 2004-01-09 2005-08-04 The Coca-Cola Company Condensation compression molding process and apparatus for production of container preforms
US7459113B2 (en) * 2004-03-08 2008-12-02 Eastman Chemical Company Process of making a container from polyester polymer particles having a small surface to center intrinsic-viscosity gradient
US20050277716A1 (en) * 2004-05-27 2005-12-15 Pearson Jason C Furyl-2-methylidene UV absorbers and compositions incorporating the UV absorbers
US7541407B2 (en) * 2004-05-27 2009-06-02 Eastman Chemical Company Process for adding methine UV light absorbers to PET prepared by direct esterification
US20050267283A1 (en) * 2004-05-27 2005-12-01 Weaver Max A Process for adding nitrogen containing methine light absorbers to poly(ethylene terephthalate)
US20050277759A1 (en) * 2004-05-27 2005-12-15 Pearson Jason C Process for adding furyl-2-methylidene UV light absorbers to poly(ethylene terephthalate)
JP2006052307A (ja) * 2004-08-11 2006-02-23 Toyo Seikan Kaisha Ltd 圧縮成形用ポリエステル樹脂、プリフォームの製造方法及びプリフォーム
US7863405B2 (en) * 2004-09-02 2011-01-04 Eastman Chemical Company Removal of residual acetaldehyde from polyester polymer particles
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EP1829912A4 (en) * 2004-11-30 2012-07-25 Asahi Kasei Chemicals Corp METHOD AND DEVICE FOR PRODUCING A FORM BODY
US20070128389A1 (en) * 2005-12-06 2007-06-07 Dak Americas Llc Process for manufacturing co-polyester barrier resins without solid-state polymerization, co-polyester resins made by the process, and clear mono-layer containers made of the co-polyester resins
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Also Published As

Publication number Publication date
CN1198756A (zh) 1998-11-11
ZA966251B (en) 1997-02-11
JPH11511187A (ja) 1999-09-28
ES2177795T3 (es) 2002-12-16
MX9800876A (es) 1998-04-30
EP0842211A1 (en) 1998-05-20
CA2227609A1 (en) 1997-02-13
AR003076A1 (es) 1998-05-27
EP0842211B1 (en) 2002-05-22
DE69621340T2 (de) 2002-11-14
BR9609746A (pt) 1999-03-30
ATE217892T1 (de) 2002-06-15
MY132235A (en) 2007-09-28
CN1080274C (zh) 2002-03-06
JP3547761B2 (ja) 2004-07-28
WO1997005187A1 (en) 1997-02-13
DE69621340D1 (de) 2002-06-27
US5597891A (en) 1997-01-28
AU6684996A (en) 1997-02-26

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