CA1034727A - Methode de fabrication d'une pellicule de polyolefine - Google Patents

Methode de fabrication d'une pellicule de polyolefine

Info

Publication number
CA1034727A
CA1034727A CA202,345A CA202345A CA1034727A CA 1034727 A CA1034727 A CA 1034727A CA 202345 A CA202345 A CA 202345A CA 1034727 A CA1034727 A CA 1034727A
Authority
CA
Canada
Prior art keywords
manufacture
polyolefin film
polyolefin
film
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
CA202,345A
Other languages
English (en)
Other versions
CA202345S (en
Inventor
James F. Pilgrim
Robin E.U. Routley
Wallace M. Schwenger
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.)
DuPont Canada Inc
Original Assignee
DuPont Canada 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 DuPont Canada Inc filed Critical DuPont Canada Inc
Priority to CA202,345A priority Critical patent/CA1034727A/fr
Priority to US05/570,722 priority patent/US4000234A/en
Application granted granted Critical
Publication of CA1034727A publication Critical patent/CA1034727A/fr
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
    • 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
    • B29C48/03—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
CA202,345A 1974-06-10 1974-06-10 Methode de fabrication d'une pellicule de polyolefine Expired CA1034727A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA202,345A CA1034727A (fr) 1974-06-10 1974-06-10 Methode de fabrication d'une pellicule de polyolefine
US05/570,722 US4000234A (en) 1974-06-10 1975-04-23 Process for the manufacture of polyolefin film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA202,345A CA1034727A (fr) 1974-06-10 1974-06-10 Methode de fabrication d'une pellicule de polyolefine

Publications (1)

Publication Number Publication Date
CA1034727A true CA1034727A (fr) 1978-07-18

Family

ID=4100369

Family Applications (1)

Application Number Title Priority Date Filing Date
CA202,345A Expired CA1034727A (fr) 1974-06-10 1974-06-10 Methode de fabrication d'une pellicule de polyolefine

Country Status (2)

Country Link
US (1) US4000234A (fr)
CA (1) CA1034727A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4243619A (en) * 1978-03-31 1981-01-06 Union Carbide Corporation Process for making film from low density ethylene hydrocarbon copolymer
US4513038A (en) * 1981-11-03 1985-04-23 Union Carbide Corporation Multilayer film having a layer of low pressure, low density heterogeneous ethylene copolymers
US4464426A (en) * 1981-11-03 1984-08-07 Union Carbide Corporation Multilayer film having a layer of low pressure, low density heterogeneous ethylene copolymers
US4444828A (en) * 1982-01-28 1984-04-24 Union Carbide Corporation Multilayer trash bag film
US4461792A (en) * 1982-09-30 1984-07-24 Union Carbide Corporation Poly-1-butene multilayers plastic film
US4511609A (en) * 1982-09-30 1985-04-16 Union Carbide Corporation Multilayer trash bag film
US4505970A (en) * 1982-09-30 1985-03-19 Union Carbide Corporation Multilayer films comprising mixtures of a melt index and 2 melt index linear low density polyethylene
SE437490B (sv) * 1982-10-18 1985-03-04 Unifos Kemi Ab Forfarande vid kontinuerlig filmblasning av linjera termoplastmaterial
EP0213807B1 (fr) * 1985-08-12 1991-01-02 Mitsui Petrochemical Industries, Ltd. Feuille tubulaire soufflée et procédé et dispositif pour sa fabrication
US4780265A (en) * 1986-12-15 1988-10-25 The Dow Chemical Company Films blown by the inflated bubble method of alloys of vinylidene chloride interpolymers and olefin polymers
JPH0753415B2 (ja) * 1987-05-30 1995-06-07 出光石油化学株式会社 ブテン−１重合体インフレ−ションフィルムの製造方法
US5207971A (en) * 1992-02-07 1993-05-04 Quantum Chemical Corporation Extrusion of wrinkle-free blown film from high modulus resin
FR2735065A1 (fr) * 1995-06-06 1996-12-13 Ribeyron & Cie Ets Film de masquage contre les projections.
NZ546396A (en) * 2003-09-19 2009-07-31 Prime Polymer Co Ltd Resin composition and stretched film obtained by using the same
WO2015022896A1 (fr) * 2013-08-12 2015-02-19 共同印刷株式会社 Composition d'adsorbant, film contenant un adsorbant et son procédé de production

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2461975A (en) * 1945-10-20 1949-02-15 Visking Corp Method of making flattened thermoplastic tubing of predetermined desired characteristics
US3061876A (en) * 1959-09-14 1962-11-06 Union Carbide Corp Method and apparatus for producing thermoplastic tubing
US3304352A (en) * 1963-04-08 1967-02-14 Gerow Milo Robert Method for the extrusion of tubing
GB1119552A (en) * 1965-06-15 1968-07-10 Gen Eng Radcliffe Improvements in or relating to the manufacture of plastic tubular film
GB1189999A (en) * 1966-11-30 1970-04-29 Grace W R & Co Production of Biaxially Oriented Films
US3888609A (en) * 1970-10-12 1975-06-10 Leco Industries Ltd Apparatus for producing films in accordance with the blown tube process

Also Published As

Publication number Publication date
US4000234A (en) 1976-12-28

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