IT1113342B - Procedimento per preparare polietilentereftalato adatto per uso in relazione ad alimentari - Google Patents

Procedimento per preparare polietilentereftalato adatto per uso in relazione ad alimentari

Info

Publication number
IT1113342B
IT1113342B IT22667/79A IT2266779A IT1113342B IT 1113342 B IT1113342 B IT 1113342B IT 22667/79 A IT22667/79 A IT 22667/79A IT 2266779 A IT2266779 A IT 2266779A IT 1113342 B IT1113342 B IT 1113342B
Authority
IT
Italy
Prior art keywords
food
relation
procedure
preparing polyethylene
polyethylene terephalate
Prior art date
Application number
IT22667/79A
Other languages
English (en)
Other versions
IT7922667A0 (it
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Publication of IT7922667A0 publication Critical patent/IT7922667A0/it
Application granted granted Critical
Publication of IT1113342B publication Critical patent/IT1113342B/it

Links

Classifications

    • 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
    • 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
    • C08G63/78—Preparation processes
    • C08G63/785—Preparation processes characterised by the apparatus used
    • 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
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • B29B2009/168—Removing undesirable residual components, e.g. solvents, unreacted monomers; Degassing
    • 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

  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
IT22667/79A 1978-05-16 1979-05-14 Procedimento per preparare polietilentereftalato adatto per uso in relazione ad alimentari IT1113342B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/906,393 US4223128A (en) 1978-05-16 1978-05-16 Process for preparing polyethylene terephthalate useful for beverage containers

Publications (2)

Publication Number Publication Date
IT7922667A0 IT7922667A0 (it) 1979-05-14
IT1113342B true IT1113342B (it) 1986-01-20

Family

ID=25422368

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22667/79A IT1113342B (it) 1978-05-16 1979-05-14 Procedimento per preparare polietilentereftalato adatto per uso in relazione ad alimentari

Country Status (9)

Country Link
US (1) US4223128A (it)
JP (1) JPS54149793A (it)
BR (1) BR7902798A (it)
CA (1) CA1128694A (it)
DE (1) DE2919008A1 (it)
FR (1) FR2426059A1 (it)
GB (1) GB2030157B (it)
IT (1) IT1113342B (it)
MX (1) MX151944A (it)

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JPS5845228A (ja) * 1981-09-11 1983-03-16 Toray Ind Inc ポリエステルチツプの製造法
US4391971A (en) * 1981-12-28 1983-07-05 The Goodyear Tire & Rubber Company Color improvement and acetaldehyde reduction in high molecular weight polyesters
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JPS59219328A (ja) * 1983-05-28 1984-12-10 Toyobo Co Ltd 高重合度ポリエステルの製造方法
IT1188204B (it) * 1985-11-19 1988-01-07 Cobarr Spa Procedimento per la riduzione del tenore di acetaldeide in contenitori biorientati ottenuti da preforme di polietilene tereftalato
US4837115A (en) * 1986-07-30 1989-06-06 Toyo Seikan Kaisha, Ltd. Thermoplastic polyester composition having improved flavor-retaining property and vessel formed therefrom
US5256363A (en) * 1987-03-26 1993-10-26 Mitsui Petrochemical Industries, Ltd. Polyethylene terephthalate and uses thereof
US5324816A (en) * 1987-06-22 1994-06-28 Allied-Signal Inc. Process for improving the properties of polymers
JPH0297212U (it) * 1988-06-14 1990-08-02
JPH0641164B2 (ja) * 1988-07-21 1994-06-01 東洋製罐株式会社 熱固定された延伸ポリエステル中空容器及びその製法
ES2060728T3 (es) * 1988-12-23 1994-12-01 Buehler Ag Geb Procedimiento para la cristalizacion continua de material de poliester.
US5049647A (en) * 1988-12-27 1991-09-17 Cobarr S.P.A. Method for the reduction of impurities in polyester resins
US5011648A (en) * 1989-02-14 1991-04-30 Van Dorn Company System, method and apparatus for hot fill PET container
US5067622A (en) * 1989-11-13 1991-11-26 Van Dorn Company Pet container for hot filled applications
DE4125167A1 (de) * 1991-07-30 1993-02-04 Zimmer Ag Modifiziertes co-polyethylenterephthalat
US5496918A (en) * 1991-09-23 1996-03-05 Alliedsignal Inc. Process for improving the properties of polymers
DE4223197A1 (de) * 1992-07-15 1994-01-20 Zimmer Ag Verfahren zur Herstellung und Nachbehandlung von Polyester-Granulaten
US5410984A (en) * 1993-03-01 1995-05-02 Bepex Corporation System for polymer crystallization
US5985772A (en) * 1994-06-23 1999-11-16 Cellresin Technologies, Llc Packaging system comprising cellulosic web with a permeant barrier or contaminant trap
US5492947A (en) 1994-06-23 1996-02-20 Aspen Research Corporation Barrier material comprising a thermoplastic and a compatible cyclodextrin derivative
US5776842A (en) * 1994-06-23 1998-07-07 Cellresin Technologies, Llc Cellulosic web with a contaminant barrier or trap
US5478921A (en) * 1994-08-25 1995-12-26 United States Surgical Corporation Method of purifying bioabsorable polymer
US5670614A (en) * 1994-08-25 1997-09-23 United States Surgical Corporation Method of increasing the plasticity and/or elasticity of polymers via supercritical fluid extraction and medical devices fabricated therefrom
DE19503054B4 (de) * 1995-02-01 2005-12-22 Zimmer Ag Verfahren zur thermischen Behandlung von Polyestergranulat in fester Phase
DE19505680C1 (de) * 1995-02-20 1996-05-23 Inventa Ag Kondensations-Spritzgußverfahren zur Herstellung von Flaschenvorformlingen aus Polyethylenterephthalat und/oder seinen Copolyestern sowie nach diesem Verfahren herstellbare Vorformlinge
US5532335A (en) * 1995-04-26 1996-07-02 Hosokawa Bepex Corporation Method for thermally processing polyester pellets
KR19990028447A (ko) * 1995-06-26 1999-04-15 에머리 아이. 발라이 식품 및 음료수용의 몰딩된 플라스틱용기 및그 제조방법
US6369192B1 (en) 1995-10-27 2002-04-09 Praxair Technology, Inc. Methods for removing contaminants from polymers
US5882565A (en) * 1995-12-11 1999-03-16 Cellresin Technologies, Llc Barrier material comprising a thermoplastic and a compatible cyclodextrin derivative
US6060103A (en) * 1996-06-24 2000-05-09 Plastic Technologies, Inc. Method for extending the shelf life of a carbonated beverage within a plastic bottle by maintaining a low fill temperature
US5955569A (en) * 1996-11-27 1999-09-21 E.I. Du Pont De Nemours And Company Method for solid phase polymerization
KR100457349B1 (ko) * 1997-04-23 2005-01-27 닛세이 에이. 에스. 비 기카이 가부시키가이샤 아세트알데히드가저감된용기및그성형방법
US6140422A (en) * 1998-04-23 2000-10-31 E.I. Dupont De Nemours And Company Polyesters including isosorbide as a comonomer blended with other thermoplastic polymers
US6063465A (en) * 1998-04-23 2000-05-16 Hna Holdings, Inc. Polyester container and method for making same
US6025061A (en) * 1998-04-23 2000-02-15 Hna Holdings, Inc. Sheets formed from polyesters including isosorbide
US6063495A (en) * 1998-04-23 2000-05-16 Hna Holdings, Inc. Polyester fiber and methods for making same
US6126992A (en) * 1998-04-23 2000-10-03 E.I. Dupont De Nemours And Company Optical articles comprising isosorbide polyesters and method for making same
US6063464A (en) * 1998-04-23 2000-05-16 Hna Holdings, Inc. Isosorbide containing polyesters and methods for making same
US5959066A (en) * 1998-04-23 1999-09-28 Hna Holdings, Inc. Polyesters including isosorbide as a comonomer and methods for making same
US5958581A (en) * 1998-04-23 1999-09-28 Hna Holdings, Inc. Polyester film and methods for making same
US6235390B1 (en) 1998-11-03 2001-05-22 E. I. Du Pont De Nemours And Company High RV filaments, and apparatus and processes for making high RV flake and the filaments
NZ527204A (en) * 2001-01-04 2005-06-24 Plastic Techn Inc Method for cooling post reactor polyethylene terephthalate flakes
TWI288155B (en) 2001-01-12 2007-10-11 Nanya Plastics Corp Manufacturing method of copolyester for PET bottles comprising low acetaldehyde content
DE10158793A1 (de) * 2001-11-30 2003-06-26 Zimmer Ag Verfahren und Vorrichtung zur Herstellung von hochkondensierten Polyestern in der festen Phase
US6709746B2 (en) * 2002-06-05 2004-03-23 Arteva North America S.á.r.l. Reducing concentration of organic materials with substituted cyclodextrin compound in polyester packaging materials
EP1671999B1 (en) * 2003-10-10 2016-12-07 Asahi Kasei Kabushiki Kaisha Process for producing polyalkylene terephthalate, process for producing polyalkylene terephthalate molding and polyalkylene terephthalate molding
PL1608696T3 (pl) * 2003-10-17 2006-09-29 Bkg Bruckmann & Kreyenborg Granuliertechnik Gmbh Sposób termicznej obróbki granulek poliestrowych
US7157032B2 (en) 2003-11-21 2007-01-02 Gala Industries, Inc. Method and apparatus for making crystalline PET pellets
CN1925907A (zh) * 2004-01-06 2007-03-07 环球油品公司 冷却聚合物的方法和装置
DE102004010680A1 (de) * 2004-03-04 2005-10-06 Zimmer Ag Verfahren zur Herstellung von hochkondensierten Polyestern in der festen Phase
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
DE102004015515A1 (de) * 2004-03-28 2004-09-16 Zimmer Ag Verfahren zur Herstellung von hochkondensiertem Polyestergranulat
US7863405B2 (en) * 2004-09-02 2011-01-04 Eastman Chemical Company Removal of residual acetaldehyde from polyester polymer particles
JP4802664B2 (ja) * 2004-11-05 2011-10-26 東洋紡績株式会社 ポリエステル予備成形体の製造方法およびポリエステル延伸成形体の製造方法
BRPI0611406A2 (pt) * 2005-05-26 2010-09-08 Gala Inc método e aparelho para fabricação de péletes e gránulos poliméricos cristalinos
DE102005026962A1 (de) * 2005-06-10 2006-12-14 Bkg Bruckmann & Kreyenborg Granuliertechnik Gmbh Verfahren und Vorrichtung zur Dealdehydisierung von Polyestergranulaten
DE102006027176B4 (de) * 2005-08-26 2015-08-06 Lurgi Zimmer Gmbh Verfahren und Vorrichtung zur Verringerung des Acetaldehydgehaltes von Polyestergranulat sowie Polyestergranulat
DE102006012587B4 (de) * 2006-03-16 2015-10-29 Lurgi Zimmer Gmbh Verfahren und Vorrichtung zur Kristallisation von Polyestermaterial
AT9203U1 (de) * 2006-04-06 2007-06-15 Econ Maschb Und Steuerungstech Trocknungseinrichtung
DE102006023354B4 (de) * 2006-05-17 2015-12-03 Lurgi Zimmer Gmbh Verfahren und Vorrichtung zur Wiederverwertung von Polyestermaterial
US8080191B2 (en) * 2006-10-20 2011-12-20 Pepsico, Inc. Extrudable polyethylene terephthalate blend
EP2268737B1 (en) 2008-04-18 2019-01-16 PepsiCo, Inc. Polyester compositions and method for preparing articles by extrusion blow molding
US7770801B1 (en) * 2008-08-08 2010-08-10 I3 Plastic Cards, LLC Environmentally favorable reward cards
US8110265B2 (en) 2008-12-09 2012-02-07 The Coca-Cola Company Pet container and compositions having enhanced mechanical properties and gas barrier properties
US20100143546A1 (en) 2008-12-09 2010-06-10 The Coca-Cola Company Container and composition for enhanced gas barrier properties
CN103357605B (zh) * 2013-07-13 2015-04-15 福建锦兴环保科技有限公司 废旧聚酯瓶片的清洗装置及清洗工艺
EP3565853A4 (en) * 2017-01-06 2020-07-29 Auriga Polymers, Inc. POLYESTER RESINS MANUFACTURING PROCESS

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US2503251A (en) * 1945-02-16 1950-04-11 Ici Ltd Production of filaments, fibers, and the like
DE1055522B (de) * 1954-10-02 1959-04-23 Henkel & Cie Gmbh Verfahren zur Reinigung von Terephthalsaeurediestern niederer aliphatischer Alkohole
US3075952A (en) * 1959-01-21 1963-01-29 Eastman Kodak Co Solid phase process for linear superpolyesters
BE618788A (nl) * 1961-07-07 1962-10-01 Onderzoekings Inst Res Werkwijze voor het drogen van korrels van amorf polyethyleentereftalaat en voor de vervaardiging van gevormde produkten hieruit, alsmede de daarbij verkregen produkten
FR1327555A (fr) * 1962-07-02 1963-05-17 Onderzoekings Inst Res Procédé pour sécher des granules de téréphtalate de polyéthylène amorphe et pour fabriquer des produits façonnés avec ceux-ci, ainsi que les produits ainsi obtenus
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US3728309A (en) * 1969-06-13 1973-04-17 Mobil Oil Corp Progressive heating in polyester condensations
AU6935174A (en) * 1973-06-22 1975-11-27 Janssen Pharmaceutica Nv Nitroimidazole thiocarbamates
DE2453577A1 (de) * 1974-11-12 1976-05-13 Zimmer Ag Verfahren zur feststoff-polykondensation von linearen polyestern
US4069278A (en) * 1975-04-01 1978-01-17 General Electric Company Process of making a high melt viscosity block co-polyester
DE2559290B2 (de) * 1975-12-31 1979-08-02 Davy International Ag, 6000 Frankfurt Verfahren zur kontinuierlichen Herstellung von hochmolekularem PoIyäthylenterephthalat

Also Published As

Publication number Publication date
GB2030157B (en) 1982-09-08
IT7922667A0 (it) 1979-05-14
US4223128A (en) 1980-09-16
DE2919008A1 (de) 1979-11-29
FR2426059A1 (fr) 1979-12-14
GB2030157A (en) 1980-04-02
JPS54149793A (en) 1979-11-24
MX151944A (es) 1985-05-09
FR2426059B1 (it) 1984-10-19
CA1128694A (en) 1982-07-27
BR7902798A (pt) 1979-11-27

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950524