JPS5544815A - Preparation for polyester hollow container - Google Patents

Preparation for polyester hollow container

Info

Publication number
JPS5544815A
JPS5544815A JP11757778A JP11757778A JPS5544815A JP S5544815 A JPS5544815 A JP S5544815A JP 11757778 A JP11757778 A JP 11757778A JP 11757778 A JP11757778 A JP 11757778A JP S5544815 A JPS5544815 A JP S5544815A
Authority
JP
Japan
Prior art keywords
hollow container
blow molding
polyester hollow
polyethylene terephthalate
molding
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.)
Pending
Application number
JP11757778A
Other languages
Japanese (ja)
Inventor
Naoyuki Suzuki
Tomohiko Yoshida
Kanji Yoshida
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.)
Mitsubishi Rayon Co Ltd
Original Assignee
Mitsubishi Rayon Co Ltd
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 Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Priority to JP11757778A priority Critical patent/JPS5544815A/en
Publication of JPS5544815A publication Critical patent/JPS5544815A/en
Pending 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/08—Biaxial stretching during blow-moulding
    • B29C49/086—Biaxial stretching during blow-moulding mono-axial stretching, e.g. either length or width
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/08—Biaxial stretching during blow-moulding
    • 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
    • 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
    • B29K2105/0094—Condition, form or state of moulded material or of the material to be shaped having particular viscosity

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To produce a polyester hollow container excellent in mechanical strength, thermal contraction resistance and outer aspect by making blow molding of a bottomed auxiliary molding bodis composed of polyethylene terephthalate resin under a special condition and carrying out biaxial orientation. CONSTITUTION:When a biaxially orientated polyester hollow container is to be produced by keeping a bottomed auxiliary molding body composed of polyethylene terephthalate resin at 80-150 deg.C, stretching it axially, blowing and expanding it laterally, blow molding is carried out under the condition where the temperatures (T1) of a blowing mold and the time (T2) of blow molding satisfy 50 deg.C<=T1<=100 deg.C and 10sec.<=T2<=90sec. at th same time. The intrinsic viscosities greater than 0.5 or preferably greater than 0.6 are used for the above-mentioned polyethylene phthalate resin. The intrinsic viscosities [eta] not greater than 0.5 are not preferred because the drop impact strength of the container becomes remarkably small.
JP11757778A 1978-09-25 1978-09-25 Preparation for polyester hollow container Pending JPS5544815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11757778A JPS5544815A (en) 1978-09-25 1978-09-25 Preparation for polyester hollow container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11757778A JPS5544815A (en) 1978-09-25 1978-09-25 Preparation for polyester hollow container

Publications (1)

Publication Number Publication Date
JPS5544815A true JPS5544815A (en) 1980-03-29

Family

ID=14715255

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11757778A Pending JPS5544815A (en) 1978-09-25 1978-09-25 Preparation for polyester hollow container

Country Status (1)

Country Link
JP (1) JPS5544815A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57185119A (en) * 1981-05-11 1982-11-15 Dainippon Ink & Chem Inc Manufacture of stretched and blown container
JPS6076112U (en) * 1983-10-28 1985-05-28 日立造船株式会社 Bridge low frequency pollution prevention device
JPH01290880A (en) * 1988-05-18 1989-11-22 Shin Meiwa Ind Co Ltd Mechanical parking facility

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57185119A (en) * 1981-05-11 1982-11-15 Dainippon Ink & Chem Inc Manufacture of stretched and blown container
JPS6076112U (en) * 1983-10-28 1985-05-28 日立造船株式会社 Bridge low frequency pollution prevention device
JPH01290880A (en) * 1988-05-18 1989-11-22 Shin Meiwa Ind Co Ltd Mechanical parking facility

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