JPS5678942A - Preparation of band made of polyethylene terephthalate resin - Google Patents

Preparation of band made of polyethylene terephthalate resin

Info

Publication number
JPS5678942A
JPS5678942A JP2688580A JP2688580A JPS5678942A JP S5678942 A JPS5678942 A JP S5678942A JP 2688580 A JP2688580 A JP 2688580A JP 2688580 A JP2688580 A JP 2688580A JP S5678942 A JPS5678942 A JP S5678942A
Authority
JP
Japan
Prior art keywords
polyethylene terephthalate
subjected
stage
stretching
terephthalate resin
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.)
Granted
Application number
JP2688580A
Other languages
Japanese (ja)
Other versions
JPS5749375B2 (en
Inventor
Ryosuke Yui
Keisuke Kume
Masaaki Hashi
Junji Niikura
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.)
Sekisui Jushi Corp
Original Assignee
Sekisui Jushi 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 Sekisui Jushi Corp filed Critical Sekisui Jushi Corp
Priority to JP2688580A priority Critical patent/JPS5678942A/en
Priority to DE8080107275T priority patent/DE3066873D1/en
Priority to EP80107275A priority patent/EP0030648B1/en
Priority to CA000365783A priority patent/CA1150923A/en
Publication of JPS5678942A publication Critical patent/JPS5678942A/en
Priority to US06/372,543 priority patent/US4451422A/en
Publication of JPS5749375B2 publication Critical patent/JPS5749375B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/003—PET, i.e. poylethylene terephthalate
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0072—Roughness, e.g. anti-slip
    • B29K2995/0073—Roughness, e.g. anti-slip smooth

Landscapes

  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

PURPOSE: To enhance heat sealing property and packaging workability by a method wherein a polyethylene terephthalate with a specific inherent viscosity is extruded by a metal mold and, thereafter, subjected to the first stage stretching under a specific condition and, subsequently, to the second stage stretching under a specific condition.
CONSTITUTION: The polyethylene terephthalate resin of which a moisture is a reduced to 0.02% or less by drying in a drying hopper 1 with a dehumidifier and an inherent viscosity is 0.95W1.15 is extruded from a metal mold 3 with a temp. of 240W285°C of an extruder 2. Subsequently, the extrudate is cooled in the first cooling tank 4 and, tereafter, formed into a stock sheet 6 by the first drawing machine 5 and this sheet is subjected to the first stage streching at a stretch ratio of 3W4.5 at 85W95°C in the first stretching tank 7. This stretched sheet is introduced into the second stretching tank 9 and subjected to the second stage stretching at a stretch ratio of 1.2W1.5 at 250W350°C to form a band 15 and, thereafter, this band is heat set at 180W280°C in a heat setting machine 12 and wound on a winding apparatus 16 through the second drawing machine 14.
COPYRIGHT: (C)1981,JPO&Japio
JP2688580A 1979-11-30 1980-03-03 Preparation of band made of polyethylene terephthalate resin Granted JPS5678942A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2688580A JPS5678942A (en) 1980-03-03 1980-03-03 Preparation of band made of polyethylene terephthalate resin
DE8080107275T DE3066873D1 (en) 1979-11-30 1980-11-21 Method for the production of polyethylene terephthalate packing material
EP80107275A EP0030648B1 (en) 1979-11-30 1980-11-21 Method for the production of polyethylene terephthalate packing material
CA000365783A CA1150923A (en) 1979-11-30 1980-11-28 Polyethylene terephthalate packing material and a method for its production
US06/372,543 US4451422A (en) 1979-11-30 1982-04-28 Method for producing polyethylene terephthalate packing material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2688580A JPS5678942A (en) 1980-03-03 1980-03-03 Preparation of band made of polyethylene terephthalate resin

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP15575379A Division JPS5678955A (en) 1979-11-30 1979-11-30 Band made of polyethylene terephthalate resin and preparation thereof

Publications (2)

Publication Number Publication Date
JPS5678942A true JPS5678942A (en) 1981-06-29
JPS5749375B2 JPS5749375B2 (en) 1982-10-21

Family

ID=12205718

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2688580A Granted JPS5678942A (en) 1979-11-30 1980-03-03 Preparation of band made of polyethylene terephthalate resin

Country Status (1)

Country Link
JP (1) JPS5678942A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61139420A (en) * 1984-12-12 1986-06-26 Agency Of Ind Science & Technol Polyethylene terephthalate molded body and manufacturing method thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5768357A (en) * 1980-10-13 1982-04-26 Sekisui Jushi Kk Packing band in polyethylene terephthalate resin and its manufacture

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022863A (en) * 1975-06-04 1977-05-10 Caristrap Corporation Polymer plastic strapping from polyethylene terephthalate

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022863A (en) * 1975-06-04 1977-05-10 Caristrap Corporation Polymer plastic strapping from polyethylene terephthalate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61139420A (en) * 1984-12-12 1986-06-26 Agency Of Ind Science & Technol Polyethylene terephthalate molded body and manufacturing method thereof

Also Published As

Publication number Publication date
JPS5749375B2 (en) 1982-10-21

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