FI943972A - Multilayer film containing polypropylene and polyethylene layers, method for its preparation and use in shrink wraps - Google Patents

Multilayer film containing polypropylene and polyethylene layers, method for its preparation and use in shrink wraps Download PDF

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Publication number
FI943972A
FI943972A FI943972A FI943972A FI943972A FI 943972 A FI943972 A FI 943972A FI 943972 A FI943972 A FI 943972A FI 943972 A FI943972 A FI 943972A FI 943972 A FI943972 A FI 943972A
Authority
FI
Finland
Prior art keywords
preparation
multilayer film
film containing
containing polypropylene
polyethylene layers
Prior art date
Application number
FI943972A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI943972A0 (en
Inventor
Nathalie Debruyne
Roy Christophe Le
Vincent Hervais
Original Assignee
Enichem Polymeres France
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 Enichem Polymeres France filed Critical Enichem Polymeres France
Publication of FI943972A0 publication Critical patent/FI943972A0/en
Publication of FI943972A publication Critical patent/FI943972A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • 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
    • 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
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
FI943972A 1992-12-31 1994-08-30 Multilayer film containing polypropylene and polyethylene layers, method for its preparation and use in shrink wraps FI943972A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9215999A FR2699856B1 (en) 1992-12-31 1992-12-31 Multilayer film comprising layers based on polypropylene and polyethylene, its manufacturing process and its use for shrinkable covers.
PCT/FR1993/001320 WO1994015787A1 (en) 1992-12-31 1993-12-30 Multilayer film comprising polypropylene and polyethylene layers, method of fabrication and utilization for retractable covers

Publications (2)

Publication Number Publication Date
FI943972A0 FI943972A0 (en) 1994-08-30
FI943972A true FI943972A (en) 1994-10-10

Family

ID=9437352

Family Applications (1)

Application Number Title Priority Date Filing Date
FI943972A FI943972A (en) 1992-12-31 1994-08-30 Multilayer film containing polypropylene and polyethylene layers, method for its preparation and use in shrink wraps

Country Status (8)

Country Link
EP (1) EP0627992A1 (en)
JP (1) JPH08500550A (en)
KR (1) KR950700172A (en)
CA (1) CA2131085A1 (en)
FI (1) FI943972A (en)
FR (1) FR2699856B1 (en)
NO (1) NO301465B1 (en)
WO (1) WO1994015787A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1304704B1 (en) * 1995-09-01 2001-03-28 Manuli Stretch Spa POLYETHYLENE MULTI-LAYER FILM

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1199567A (en) * 1982-02-18 1986-01-21 Walter B. Mueller Linear polyethylene shrink films
US4407874A (en) * 1982-08-06 1983-10-04 American Can Company Sterilizable flexible packaging structure
GB8315001D0 (en) * 1983-06-01 1983-07-06 Ici Plc Multiple-layer polyolefin films
CA1243257A (en) * 1983-10-18 1988-10-18 Masakazu Ito Multi-layer film or sheet material
JPS60198223A (en) * 1984-03-22 1985-10-07 Showa Denko Kk Preparation of multi-layered film
CA1308012C (en) * 1986-01-17 1992-09-29 Robert Wayne Thies Multilayered polyolefin high shrinkage, low-shrink force shrink film
US4828928A (en) * 1986-12-17 1989-05-09 W. R. Grace & Co. Monoaxial shrink film
JPS6455240A (en) * 1987-08-26 1989-03-02 Sumitomo Bakelite Co Laminated sheet
NZ237840A (en) * 1990-05-25 1993-05-26 Grace W R & Co High density polyethylene shrink film
JPH04112040A (en) * 1990-09-03 1992-04-14 Chisso Corp Nonmigratory resin laminate
JPH05237977A (en) * 1992-02-27 1993-09-17 Okura Ind Co Ltd Multilayered film having tackiness and production thereof

Also Published As

Publication number Publication date
FI943972A0 (en) 1994-08-30
NO943205D0 (en) 1994-08-30
CA2131085A1 (en) 1994-07-01
NO301465B1 (en) 1997-11-03
WO1994015787A1 (en) 1994-07-21
KR950700172A (en) 1995-01-16
NO943205L (en) 1994-08-30
FR2699856B1 (en) 1995-03-17
JPH08500550A (en) 1996-01-23
FR2699856A1 (en) 1994-07-01
EP0627992A1 (en) 1994-12-14

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Legal Events

Date Code Title Description
FD Application lapsed