JPS6311968B2 - - Google Patents

Info

Publication number
JPS6311968B2
JPS6311968B2 JP57024304A JP2430482A JPS6311968B2 JP S6311968 B2 JPS6311968 B2 JP S6311968B2 JP 57024304 A JP57024304 A JP 57024304A JP 2430482 A JP2430482 A JP 2430482A JP S6311968 B2 JPS6311968 B2 JP S6311968B2
Authority
JP
Japan
Prior art keywords
polypropylene
sheet
heat treatment
temperature
transparency
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.)
Expired
Application number
JP57024304A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58142818A (ja
Inventor
Junji Fujii
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.)
Idemitsu Petrochemical Co Ltd
Original Assignee
Idemitsu Petrochemical 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 Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd
Priority to JP57024304A priority Critical patent/JPS58142818A/ja
Publication of JPS58142818A publication Critical patent/JPS58142818A/ja
Publication of JPS6311968B2 publication Critical patent/JPS6311968B2/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
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-treatment
    • B29C2071/025—Quenching, i.e. rapid cooling of an object
    • 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
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
JP57024304A 1982-02-19 1982-02-19 無配向透明ポリプロピレンシートの製造方法 Granted JPS58142818A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57024304A JPS58142818A (ja) 1982-02-19 1982-02-19 無配向透明ポリプロピレンシートの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57024304A JPS58142818A (ja) 1982-02-19 1982-02-19 無配向透明ポリプロピレンシートの製造方法

Publications (2)

Publication Number Publication Date
JPS58142818A JPS58142818A (ja) 1983-08-25
JPS6311968B2 true JPS6311968B2 (enrdf_load_stackoverflow) 1988-03-16

Family

ID=12134428

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57024304A Granted JPS58142818A (ja) 1982-02-19 1982-02-19 無配向透明ポリプロピレンシートの製造方法

Country Status (1)

Country Link
JP (1) JPS58142818A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009013357A (ja) * 2007-07-06 2009-01-22 Idemitsu Unitech Co Ltd ポリプロピレン成形品、シート状ポリプロピレン成形品およびポリプロピレン熱成形品の製造方法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3347684A1 (de) * 1983-12-31 1985-08-29 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von kunststoff-folien mit verbesserten optischen eigenschaften
JPS62148251A (ja) * 1985-12-23 1987-07-02 出光石油化学株式会社 容器類の製造方法
JPH0643462B2 (ja) * 1986-04-30 1994-06-08 出光石油化学株式会社 プロピレン単独重合体およびその製造方法
ES2070319T3 (es) * 1989-04-11 1995-06-01 Mitsui Toatsu Chemicals Molde de polipropileno sindotactico y procedimiento para preparar el mismo.
US5258419A (en) * 1989-06-26 1993-11-02 Minnesota Mining And Manufacturing Company Methods of preparing radiation resistant heat sealable polymer blends
JP2977595B2 (ja) * 1989-11-20 1999-11-15 三井化学株式会社 シンジオタクチックポリプロピレン成形体およびその製造方法
US5200131A (en) * 1990-04-09 1993-04-06 Mitsui Toatsu Chemicals, Inc. Method for molding syndiotactic polypropylene
US5260395A (en) * 1990-04-09 1993-11-09 Mitsui Toatsu Chemicals, Inc. Method for molding syndiotactic polypropylene and molded article
JPH07125064A (ja) * 1993-10-29 1995-05-16 Mitsui Toatsu Chem Inc ポリプロピレンのインフレーション成形方法
JP2009255414A (ja) * 2008-04-17 2009-11-05 Sumitomo Chemical Co Ltd ポリプロピレン系フィルムの製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5527203A (en) * 1978-08-16 1980-02-27 Showa Denko Kk Producing process of polypropyrene sheet having superior transparency
JPS55105532A (en) * 1979-02-01 1980-08-13 Showa Denko Kk Molding method for thermoplastic resin film

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009013357A (ja) * 2007-07-06 2009-01-22 Idemitsu Unitech Co Ltd ポリプロピレン成形品、シート状ポリプロピレン成形品およびポリプロピレン熱成形品の製造方法

Also Published As

Publication number Publication date
JPS58142818A (ja) 1983-08-25

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