GB1490454A - Translucent polypropylene film and process for producing the same - Google Patents

Translucent polypropylene film and process for producing the same

Info

Publication number
GB1490454A
GB1490454A GB4858575A GB4858575A GB1490454A GB 1490454 A GB1490454 A GB 1490454A GB 4858575 A GB4858575 A GB 4858575A GB 4858575 A GB4858575 A GB 4858575A GB 1490454 A GB1490454 A GB 1490454A
Authority
GB
United Kingdom
Prior art keywords
film
temperature
coolant
maintained
pipe
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
GB4858575A
Other languages
English (en)
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 Chemical Corp
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
Priority claimed from JP13862074A external-priority patent/JPS5611963B2/ja
Priority claimed from JP50111178A external-priority patent/JPS581646B2/ja
Priority claimed from JP11188375A external-priority patent/JPS5235272A/ja
Priority claimed from JP50120505A external-priority patent/JPS581648B2/ja
Application filed by Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Publication of GB1490454A publication Critical patent/GB1490454A/en
Expired 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
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/03—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
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24446—Wrinkled, creased, crinkled or creped
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
GB4858575A 1974-11-29 1975-11-26 Translucent polypropylene film and process for producing the same Expired GB1490454A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP13862074A JPS5611963B2 (en, 2012) 1974-11-29 1974-11-29
JP50111178A JPS581646B2 (ja) 1975-09-12 1975-09-12 ハントウメイフイルムセイゾウヨウセイケイブツノ セイゾウホウホウ
JP11188375A JPS5235272A (en) 1975-09-16 1975-09-16 Method of manufacturing translucent polypropylene elongation film
JP50120505A JPS581648B2 (ja) 1975-10-06 1975-10-06 ハントウメイフイルムセイゾウヨウセイケイブツノ セイゾウホウホウ

Publications (1)

Publication Number Publication Date
GB1490454A true GB1490454A (en) 1977-11-02

Family

ID=27469886

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4858575A Expired GB1490454A (en) 1974-11-29 1975-11-26 Translucent polypropylene film and process for producing the same

Country Status (4)

Country Link
US (1) US4138520A (en, 2012)
DE (1) DE2553693C2 (en, 2012)
FI (1) FI64532C (en, 2012)
GB (1) GB1490454A (en, 2012)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360552A (en) * 1975-02-28 1982-11-23 General Electric Company Textured surface polypropylene film
US4185148A (en) * 1976-05-17 1980-01-22 Mitsubishi Rayon Company Limited Process for producing the polypropylene film for electrical appliances
DE2851557C2 (de) * 1978-11-29 1982-04-01 Hoechst Ag, 6000 Frankfurt Biaxial gestreckte Polypropylenverbundfolie zur Verwendung als Elektroisolierfolie
DE2942298C2 (de) * 1979-10-19 1985-06-13 Hoechst Ag, 6230 Frankfurt Verfahren zur Herstellung einer rauhen Polypropylen-Elektroisolierfolie
EP0036457B1 (en) * 1980-03-20 1985-02-20 Mitsubishi Rayon Co., Ltd. A method of producing a polypropylene film for electrical appliances
DE3729449A1 (de) * 1987-09-03 1989-03-16 Hoechst Ag Verfahren und vorrichtung zur herstellung eines stranggepressten, verstreckten, nahtlosen schlauches
DE10261107A1 (de) * 2002-12-20 2004-07-01 Basell Polyolefine Gmbh Formmassen aus einem hochmolekularen Propylenpolymerisat
AU2003294925A1 (en) * 2002-12-20 2004-07-14 Basell Poliolefine Italia S.P.A Molding compositions made from a high-molecular-weight propylene polymer
WO2004101660A2 (en) * 2003-05-08 2004-11-25 Applied Extrusion Technologies, Inc. Methods of making thick, highly oriented, opaque, low-density, microporous polyolefin films and the films made thereby
JP2008519772A (ja) * 2004-11-09 2008-06-12 ディスカス デンタル インプレッションズ インコーポレーテッド ２成分歯牙漂白組成物
JP4784279B2 (ja) * 2005-11-17 2011-10-05 王子製紙株式会社 コンデンサーフィルム
JP5061842B2 (ja) * 2006-11-01 2012-10-31 王子製紙株式会社 二軸延伸ポリプロピレンフィルム
BR112013022796A2 (pt) 2011-03-10 2016-12-06 Toray Industries filme de polipropileno biaxialmente estirado, filme metalizado, e capacitor de filme
CN104064706B (zh) * 2014-06-11 2017-01-11 青岛中科华联新材料股份有限公司 一种孔径和形貌均匀的锂离子电池隔膜的生产工艺

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022543A (en) * 1958-02-07 1962-02-27 Grace W R & Co Method of producing film having improved shrink energy
IT639570A (en, 2012) * 1959-11-24
US3217073A (en) * 1962-04-26 1965-11-09 Eastman Kodak Co Process for the manufacture of biaxially oriented polypropylene film
US3309452A (en) * 1962-09-11 1967-03-14 Toyo Rayon Co Ltd Thermoplastic film and its process of manufacture
DE1264746B (de) * 1962-09-11 1968-03-28 Nihonbashi Muromachi Verfahren zur Herstellung von thermoplastischen Kunststoffolien mit rauher Oberflaeche
US3257490A (en) * 1962-10-17 1966-06-21 Du Pont Process for producing flat dimensionally stable, biaxially oriented polypropylene film
US3445324A (en) * 1963-05-14 1969-05-20 Curwood Inc Flexible wrapping material
US3260776A (en) * 1964-10-29 1966-07-12 Grace W R & Co Production of biaxially stretch oriented polypropylene film
US3536644A (en) * 1967-06-22 1970-10-27 Nat Distillers Chem Corp Means for providing biaxially oriented polypropylene films with improved physical properties
US3536576A (en) * 1968-07-18 1970-10-27 Us Air Force Self-sealing space suit
US3773608A (en) * 1970-09-16 1973-11-20 Toyo Boseki Paper-like polymeric films and production thereof
US3679538A (en) * 1970-10-28 1972-07-25 Celanese Corp Novel open-celled microporous film
US3738904A (en) * 1971-06-28 1973-06-12 Du Pont Filled biaxially oriented polymeric film

Also Published As

Publication number Publication date
FI64532B (fi) 1983-08-31
US4138520A (en) 1979-02-06
DE2553693C2 (de) 1983-12-01
FI753354A7 (en, 2012) 1976-05-30
FI64532C (fi) 1983-12-12
DE2553693A1 (de) 1976-08-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941126