IT7948616A0 - Procedimento di trattamento di poliesteri per ridurre al minimo la formazione di acetaldeide - Google Patents

Procedimento di trattamento di poliesteri per ridurre al minimo la formazione di acetaldeide

Info

Publication number
IT7948616A0
IT7948616A0 IT7948616A IT4861679A IT7948616A0 IT 7948616 A0 IT7948616 A0 IT 7948616A0 IT 7948616 A IT7948616 A IT 7948616A IT 4861679 A IT4861679 A IT 4861679A IT 7948616 A0 IT7948616 A0 IT 7948616A0
Authority
IT
Italy
Prior art keywords
acetaldehyde
minimize
formation
treatment procedure
polyester treatment
Prior art date
Application number
IT7948616A
Other languages
English (en)
Other versions
IT1117171B (it
Original Assignee
Owens Illinois Inc
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 Owens Illinois Inc filed Critical Owens Illinois Inc
Publication of IT7948616A0 publication Critical patent/IT7948616A0/it
Application granted granted Critical
Publication of IT1117171B publication Critical patent/IT1117171B/it

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
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1701—Component parts, details or accessories; Auxiliary operations using a particular environment during moulding, e.g. moisture-free or dust-free
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/29—Feeding the extrusion material to the extruder in liquid form
    • 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
    • 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
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
IT48616/79A 1978-04-21 1979-04-04 Procedimento di trattamento di poliesteri per ridurre al minimo laformazione di acetaldeide IT1117171B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/898,364 US4142040A (en) 1978-04-21 1978-04-21 Processing polyesters to minimize acetaldehyde formation

Publications (2)

Publication Number Publication Date
IT7948616A0 true IT7948616A0 (it) 1979-04-04
IT1117171B IT1117171B (it) 1986-02-17

Family

ID=25409346

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48616/79A IT1117171B (it) 1978-04-21 1979-04-04 Procedimento di trattamento di poliesteri per ridurre al minimo laformazione di acetaldeide

Country Status (5)

Country Link
US (1) US4142040A (it)
DE (1) DE2907358C2 (it)
FR (1) FR2423506A1 (it)
GB (1) GB2019424B (it)
IT (1) IT1117171B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4230819A (en) * 1979-04-13 1980-10-28 The Goodyear Tire & Rubber Company Eliminating acetaldehyde from crystalline polyethylene terephthalate resin
US4361681A (en) * 1980-11-03 1982-11-30 The Goodyear Tire & Rubber Company Polyethylene terephthalate having a reduced acetaldehyde generation rate
US4357461A (en) * 1981-12-11 1982-11-02 Owens-Illinois, Inc. Polyester stabilization and composition
US4489029A (en) * 1983-06-01 1984-12-18 Union Carbide Corporation Compositions based on alkylene-alkyl acrylate copolymers and silanol condensation catalysts; and the use thereof in the production of covered wires and cables
US4564349A (en) * 1983-06-01 1986-01-14 Union Carbide Corporation Extruder assembly for extruding water-curable silane modified polymers
DE3636807A1 (de) * 1986-10-29 1988-05-05 Ernst Sauerbruch Verfahren zum zwischenlagern von zu verarbeitenden kunststoffmassen und vorrichtung zur durchfuehrung des verfahrens
DE19503053B4 (de) * 1995-02-01 2005-08-18 Zimmer Ag Verfahren zur direkten Herstellung von Polyester-Verpackungen
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
US5677381A (en) * 1995-07-07 1997-10-14 Exxon Research And Engineering Company Ethylene copolymer-monofunctional ionomer compositions
US5597891A (en) * 1995-08-01 1997-01-28 Eastman Chemical Company Process for producing polyester articles having low acetaldehyde content
US5648032A (en) * 1995-08-01 1997-07-15 Eastman Chemical Company Process for producing polyester articles having low acetaldehyde content
FR2738179B1 (fr) * 1995-09-01 1997-10-03 Bp Chemicals Snc Procede pour extruder un polyethylene
EP0938960A4 (en) * 1997-07-18 2002-02-06 Hiroshi Morohashi METHOD AND APPARATUS FOR MOLDING PLASTIC MATERIAL OR THE LIKE
TW583229B (en) * 2002-03-25 2004-04-11 Biotech One Inc Method and device of molding using degradable polymer protected with inert gas
FR2855093B1 (fr) * 2003-05-21 2006-06-23 Air Liquide Procede et dispositif de production de preformes en polyethylene terephthalate
FR2872731A1 (fr) * 2004-07-07 2006-01-13 Air Liquide Procede et dispositif de production de preformes en polyethylene teraphtalate
WO2007032052A1 (ja) * 2005-09-12 2007-03-22 Tadahiro Ohmi 樹脂成形機および樹脂成形方法
EP3439869B1 (en) 2016-04-04 2023-09-06 Tata Steel IJmuiden B.V. Process for producing a polymer-coated metal strip and a polymer-coated metal strip produced thereby

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3745150A (en) * 1971-03-26 1973-07-10 Du Pont Amorphous polyethylene terephthalate container and process for making it
US3846377A (en) * 1971-11-12 1974-11-05 Allied Chem Method of producing polyethylene terephthalate fibers
US4072663A (en) * 1977-02-22 1978-02-07 Allied Chemical Corporation Transfer system for conveying polyester polymer

Also Published As

Publication number Publication date
DE2907358C2 (de) 1982-11-11
GB2019424A (en) 1979-10-31
FR2423506A1 (fr) 1979-11-16
US4142040A (en) 1979-02-27
GB2019424B (en) 1982-11-17
DE2907358A1 (de) 1979-10-25
IT1117171B (it) 1986-02-17

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