WO2002083414A1 - Composition polyolefine pour films opaques multicouche, blancs d'aspect, orientes biaxialement - Google Patents

Composition polyolefine pour films opaques multicouche, blancs d'aspect, orientes biaxialement Download PDF

Info

Publication number
WO2002083414A1
WO2002083414A1 PCT/TR2001/000016 TR0100016W WO02083414A1 WO 2002083414 A1 WO2002083414 A1 WO 2002083414A1 TR 0100016 W TR0100016 W TR 0100016W WO 02083414 A1 WO02083414 A1 WO 02083414A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
opaque
weight
polypropylene
films
Prior art date
Application number
PCT/TR2001/000016
Other languages
English (en)
Inventor
Cumhur BÜYÜKAKINCI
Fatih Seyhan
Kemal Alptekin
Oktay Aral
Original Assignee
Polinas Plastik Sanayi Ve Ticaret A. S.
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 Polinas Plastik Sanayi Ve Ticaret A. S. filed Critical Polinas Plastik Sanayi Ve Ticaret A. S.
Priority to PCT/TR2001/000016 priority Critical patent/WO2002083414A1/fr
Publication of WO2002083414A1 publication Critical patent/WO2002083414A1/fr

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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/04—4 layers
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/242—All polymers belonging to those covered by group B32B27/32
    • 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
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/41—Opaque
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B32B2307/518—Oriented bi-axially
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/043—HDPE, i.e. high density polyethylene
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/10—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
    • B32B2439/00—Containers; Receptacles
    • B32B2439/70—Food packaging
    • 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
    • B32B2519/00—Labels, badges
    • 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

Definitions

  • the present invention concerns the field of plastics fabrication and uses, specifically, polyolefin opaque film compositions for manufacture of biaxially oriented and multilayered films with improved properties useful for the roll- fed labelling and food, confectionary, over-wrapping, printing and lamination with various substrates, cold-seal and hot-melt applications, as well as for food packaging and other general packaging and labelling applications.
  • the packaging food and non-food industry, agricultural, industrial markets, decorative art, etc. has a high demand for biaxially oriented thin films of different types which can be used for the identification of various materials, for the decoration and for the provision of operating parameters and instructions, as well as for the production of labels, sheets, decals, adhesive tapes and other materials.
  • Opaque and white appearance films can be produced by using conventional film-forming thermoplastic polymers such as polyesters, polyamides, (metha)acrylic polymers, polyolefins, vinyl chloride polymers, styrene polymers, etc., and organic and inorganic fillers and different surface treating methods for preparation of adhesive surfaces.
  • thermoplastic polymers such as polyesters, polyamides, (metha)acrylic polymers, polyolefins, vinyl chloride polymers, styrene polymers, etc.
  • organic and inorganic fillers such as polyesters, polyamides, polyolefins, vinyl chloride polymers, styrene polymers, etc.
  • organic and inorganic fillers CaCO 3 , TiO 2 , etc.
  • EP-A-0 180 087 describes a five-layered sealable opaque film which has a volacule-containing base layer produced from propylene homopolymer and calcium carbonate, and an intermediate layer of propylene homopolymer and hydrocarbon resin, the sealable top layers of which film comprise propylene/ethylene copolymers. Because of the thick intermediate layer of polypropylene and hydrocarbon resin, the film has better mechanical properties and a higher gloss than films according to the prior art. In addition, the film can easily be corona-treated because of the sealing layers of propylene/ethylene copolymers. The film, however, is in need of improvement in respect of its antistatic properties and its destacking properties.
  • EP-A-0 312 226 discloses a multilayer opaque film in which a top layer comprises a readily printable polymer and which has an intermediate layer of propylene homopolymers and a core layer which contains volacules. The film is said to be distinguished by a good gloss when viewed from the homopolymer side. Because of the stated ratios in layer thickness, the surface gloss and the opacity or whiteness are in need of improvement.
  • EP-A-0 408 971 describes a film of high whiteness and high opacity, which is readily printable and is said to be glossy. The film has a cloudy structure, which probably originates from the small particle size of the calcium carbonate used. Furthermore, the increased fine content of the particles leads to a reduced opacity, since no volacules are thereby formed.
  • A-0 225 685 describe readily printable opaque films. Because of the nature of the surface, however, the films are distinguished by a very matte appearance.
  • US 4,560,614 describes nonblocking opaque biaxially oriented polypropylene film filled with inorganic filler such as talc to prevent blocking.
  • the film also contains TiO 2 on the surface for paperlike properties. Resulted nonblocking film has good printability, adhesion, and ink and adhesive wet out.
  • said films did not contain CaCO 3 -based special filler in the core polyolefin layer and outer layers, and therefore did not possess pearlescent lustre and antistatic properties, and also have relatively low light transmission (25 %).
  • thermoplastic films with improved heat-sealing properties containing biaxially oriented propylene polymers such as polypropylene, ethylene(4 %)-propylene copolymer and ethylene-propylene- ⁇ -olefin(C 4- ⁇ 0 ) terpolymer, finely distributed inorganic fillers (CaCO 3 , TiO 2 , silicates, preferably zeolites, silica, etc.).
  • said opaque films contain CaCO 3 and TiO 2 as fillers and silica as an antiblocking agent.
  • said films were prepared in sheet of tubular form and were contained ethylene-propylene copolymer as a based layer and ethylene-propylene- ⁇ -olefin(C 4- ⁇ 0 ) terpolymer as a heat- sealable surface layer, organic opaque particles, which were not corona treated, and had high density (0.9 g/cm ) and relatively low output.
  • US Pat. 5,492,757 discloses an opaque-matte four-layer film (28 ⁇ m thickness) of A/B/C/D structure comprising (B) base layer (22.7 ⁇ m thickness) from a polypropylene, 4.2-5.0 % CaCO 3 filler and 3.2-8.0 %TiO 2 filler, (C) interlayer (3.5 ⁇ m thickness) from a 1:1 mixture of ethylene(1.9 %)-propylene- butylene(8.4 %) terpolymer and HDPE, (D) outer layer (0.9 ⁇ m thickness) from a said terpolymer with analogous composition and (A) outer layer (0.9 ⁇ m thickness) from a ethylene-propylene copolymer.
  • All layers contained conventional stabilizer and neutralizer.
  • the base layer furthermore contained aliphatic alkylamine as an antistatic agent.
  • extruded four-layer film was taken off a first take-off roll and further trio of rolls. The film was then cooled, subsequently stretched longitudinally and transversely, set and corona treated.
  • the films resulted had matte appearance with gloss (85° angle, D side) 29-84, coefficient of friction 0.4-0.6, whiteness (D side) 65-81, opacity (D side) 67-70 and density 0.69- 0.94 g/cm .
  • the multilayer film was distinguished by a multiplicity of advantageous properties and was recommended for wide variety of applications such as an attractive matte lamination film, an opaque packaging film in high-speed packaging machines, an opaque film in wrapping film and a base film for adhesive tape or for aqueous barrier coating systems.
  • the film was also suitable for the production of plastic labels and laminates with paper, cardboard, metals, and metalized plastic films.
  • Multilayer polymer paper with good offset printability and pencil writability comprises a base layer from CaCO 3 -filled (3-35 %) stretched film of polyolefins, an inner layer from ethylene-vinyl alcohol copolymer, a top layer from inorganic-filled (8-65 %) stretched film of polyolefins, multilayer laminate with polypropylene (80 %), HDPE (8 %) and CaCO 3 (12 %) [Pat. 05-00490, 1993, Japan].
  • Oriented polypropylene synthetic paper with good ink receptivity and opacity having suitable writability and printing properties comprises an extruded core layer from polypropylene, CaCO 3 and TiO 2 and an extruded skin layer on >1 side thereof containing styrene polymers, modified polypropylene, CaCO 3 , TiO 2 , and co- and or terpolymers of ethylene [Eur. Pat. EP-A-0 605938, 1994].
  • US Pat. 4,663,219, 1987 discloses a coextruded multilayered opaque film which has been biaxially oriented by stretching in the longitudinal (5.7-fold at 120-130°C) and transverse (10-fold at 160-170°C) directions.
  • the film of this invention has a base layer essentially consisting of polypropylene and fillers (oxides or salts of metal-Al, Si, Ca, Ti, etc.), preferably pulverulent CaCO (16-30 %) with a mean size of 2-5 ⁇ m.
  • the film with 35-50 ⁇ m thickness has relatively low density of 0.4-0.6 g/cm .
  • a least one surface layer (1 ⁇ m) covering said base layer selected from the group consisting of heat-sealing (HDPE, LDPE, propylene-ethylene copolymer or propylene-ethylene- ⁇ -olefin terpolymer), cold sealing (natural and synthetic rubbers) and non-sealing (propylene homopolymer) polymers. Because of its reduced tendency to recover after folding, the film is particularly suitable for packaging purposes.
  • EP-A-0 538747, 1993 (Murschall, U., et al., Hoechst AG, Frankfurt Main, FRG) (this invention was also patented in other countries: US Pat. 5,366,796, DE Pat. 4135096 A, and ZA Pat. 9208204 A) discloses biaxially oriented multilayer films with high clouding and minimal shine comprising polypropylene base layer and covering layer of HDPE and ethylene, propylene and butylene copolymers.
  • the film used as a packaging film, laminate or backing film and has high haze, minimum value of gloss and uniform mattness.
  • the core layer of the multilayer film according to the invention essentially comprises a propylene polymer or a mixture of propylene polymers.
  • suitable polyolefins in the polymer mixture include any known polyolefin, such as polyethylenes, in particular HDPE, LDPE and LLDPE, the content of these polyethylenes in each case generally not exceeding 15% by weight, based on the polymer mixture.
  • the core layer generally contains at least 50%, more preferably at least 75% by weight of propylene polymers and 3-20% by weight of inorganic fillers such as Al 2 O 3 , Al (SO 4 ) 3 , BaCO 3 , CaCO 3 (chalk is particularly preferred), MgCO 3 , silicates, such as aluminium silicate (kaolin clay) and magnesium silicate (talc), SiO 2 and or TiO 2 .
  • the film (label) comprises at least one top layer comprising a sealable olefinic polymer, inorganic or organic particles (0.1-2 %) and tertiary aliphatic amine as an antistatic agent (0.05-2 %).
  • the prototypes of the present invention are Pat. TR 1995/00936 B and Pat. TR 98/00450 A2, Turkey (PCT/TR 99/00013, 12.03.1998).
  • the objective of said first patent invention is to design and prepare a multi-layered and biaxially oriented opaque-pearlised > 3 layer films with given composition useful for roll-fed labelling and cold-sealable packaging materials, for food, confectionary, wrapping, printing and lamination with various substractes, and for high-speed packaging machine.
  • This patent invention describes a multilayered and biaxially oriented polyolefin film comprising polypropylene, HDPE, LDPE, CaCO 3 , TiO 2 , conventional stabilizer, antioxidant, neutralizer, antistatic, slip and antiblocking agent (synthetic silica), which are prepared by using the tandem extruder system supplied with three or four satellite co- extruders, flat die, chill roll and recycling line.
  • Second patent invention discloses biaxially oriented polypropylene multilayer ( > 4 layer) opaque- pearlised films with improved properties useful in addition for hot melt and general packaging applications by using similar tandem exruder system.
  • the films have low density (0.68 g/cm 3 ), high mechanical properties, excellent opaque appearance, improved adhesion (65-68 kgf/m 2 ) and tear strength (16.5- 18 N/m) toward Scotch adhesive tape (3M-USA), as well as good transfer degree of opaque layer from film to adhesive tape.
  • the films have relatively high values of dynamic friction coefficient and heat shrinkage, low thermal stability and surface tension.
  • the composition and properties of these films as well as their layer structure designed do not allow to prepare the white appearance opaque films with given properties.
  • the aim of the present invention is the attempt to remove these deficiences by design of new polyolefin mutilayer compositions.
  • the present invention discloses a > 3 layers, preferably four layers and biaxially oriented polyolefin based white appearance opaque film composition
  • a > 3 layers, preferably four layers and biaxially oriented polyolefin based white appearance opaque film composition comprising > 20 ⁇ m, preferably 23-31 ⁇ m multilayers from (A) > 0.5 ⁇ m, preferable 2-3 ⁇ m white appearance opaque outer layer containing mixture of virgin or marked (5-cholesten-3 ⁇ -ol as a marked agent) polyolefins, preferably mixture of polypropylene and HDPE with given composition, inorganic filler and pigment, preferably calcium carbonate as an opaque-pearlised filler and titanium dioxide as a white pigment, conventional and special stabilizer, antioxidant and neutralizer, preferably calcium stearate as a neutralizer, tetrakis [methylene (3,5-di-tert-butyl-4-hydroxy-hydro- cinnamate] methane as a stabilizer, and allyl
  • the technological aspect of manufactured process of said films is distinguished from known processing [Pat. TR 1995/00936 B, Turkey (Polinas A. S.)] used in the production of white appearance opaque films by the fact that extruder system with two tandem main extruders supplied with two, three and four satellite co- extruders, recycling line and corona (or cold plasma) discharge or polarized flame treating system.
  • extruder system with two tandem main extruders supplied with two, three and four satellite co- extruders, recycling line and corona (or cold plasma) discharge or polarized flame treating system.
  • polarized flame surface treatment a Polarized Flame Treater SJ71/00 with air/gas mixture generator and polarized linear gas burner (6400 mm) system are used.
  • the process is carried out by three chill- roll treatments and two step of longitudinal orientation allowing to prepare good homogenized film with improving surface properties and dimensional stability.
  • One or both surface of biaxially oriented films prepared are treated by polarized flame and/or air corona discharge in a known manner.
  • the use of said recycling line for film waste forming in the transverse stretching stage allows to lower film cost by 3.5 %.
  • the extruded multilayer film with given composition is taken to the corresponding process steps through a chill roll and cooled, and cast film profile is controlled by ⁇ -Gauge equipment.
  • the film is subsequently stretched longitudinally at two steps and stretched transversely. After biaxially orientation, the film is thermally set and on one or two sides surface-treated.
  • Extrusion extrusion temperature 200-260°C, first chill roll temperature 35-45°C
  • Machine (longitudinal) stretching stretching roll temperature of first step 140-150°C and second step 120-130°C, longitudinal stretching ratio 5:1 - 6:1 for first step and 1:1 - 1:2 for second step
  • Transverse stretching temperature of heat-up zones 150-165°C, temperature of stretching zones 170-190°C, transverse stretching ratio 9:1 - 11:1
  • Recycling edges of the biaxially orientated film are recycled and fed to the line again;
  • Setting setting temperature 165-170 °C
  • Air corona discharge voltage 15-25 kV and frequency 20-30 kHz
  • Polarized flame treatment Polarized Flame Treater SJ71/00 with air/gas mixture generator, polarized linear gas burner (6400 mm) and UV photoelectric eye system (special design for flame treatment of the white opaque polymer film surfaces) with the following parameters: fuel gas consumption of 13-24 Nm 3 lh, inlet pressure
  • Further object of the present invention is a preparation of biaxially oriented polyolefin multilayer white opaque film-forming compositions with high physical, mechanical, thermal and surface properties, excellent printability and transferring properties and good dimensional stability by variation of component and layer compositions, which allow to widen the field of application of said films useful for the roll-fed labelling and food, confectionary, over-wrapping, printing and lamination with various substrates, cold-seal and hot-melt applications, as well as for food packaging and other general packaging and labelling applications. Illustrated the below examples of the present invention for preparation of multilayer white appearance opaque film with different thickness, given component composition and layer structure, and improved properties.
  • Examples 1 and 2 Multilayer film with A/B/C/D structure (where C inner and D skin layers have similar thickness and composition) and a total thickness of 23 ⁇ m comprising (A) 3.0 ⁇ m opaque outer layer from 72.73 % by weight of virgin or marked (5-cholesten-3 ⁇ -ol as a marked agent) polypropylene (density 0.90- 0.91 g/cm 3 , MFI > 1.8 g/10 min at 230°C and load at 21.6 N, m.p.
  • white appearance opaque film After biaxially stretching [10 times at 165°C in the transverse direction, TD and 6 times at 150°C in the machine (longitudinal) direction, MD] and air corona discharged (D layer) and/or polarized flame treated (A layer) of one or both surfaces in the given conditions white appearance opaque film has composition and properties showing in Tables 1-3, respectively.
  • Specific density is determined in according to ISO 1183 and/or ASTM D- 1505.
  • Melting Flow Index is measured in according to ASTM 1238/L at 230°C and load of 21.6 N.
  • Meltins point (m.p.) is measured by DSC method, maximum point of the melting curve, at heating rate ⁇ 0°Clmin is corresponded to m.p. value.
  • Vicat softenins point is determined in according to ASTM D-1525. od impact strength is measured in according to ISO 180/1 A. Tensile strength and elongation at break are determined in according to ASTM D-882.
  • Adhesion and tear strength of films toward acrylic adhesive tape are determined by using INSTRON Testometer with specimen dimensions 2.5x15 cm.
  • Transfer degree of opaque layer from film to said adhesive tape is calculated by using of tear strength data and changes of film weight after testing.
  • Light transmission (haze) of the film is measured in accordance with
  • Dynamic friction coefficient of the film is determined in accordance with ASTM D-1984.
  • Sheen of the film is measured in accordance with ASTM D-2103, the angle of incidence is set at 45°.
  • Shrinkage of the film is measured in accordance with ASTM D-1204.
  • the test sample is shrink at 120°C for a period at 15 min.
  • Thermal stability (temperature of decomposition and loss weight at given temperature) of the film is measured by using Thermal Gravimetric Analysis (TGA 2050) method.
  • Polypropylene (used in the both invented and known film layers of A/B/C/D structure) 5 contains given amount of a special marked agent, conventional neutralizer, stabilizer and antioxidant, as well as special antioxidant (for invented films using for the food packaging application). Table 3. The properties of white appearance opaque films of present invention and known films

Landscapes

  • Laminated Bodies (AREA)

Abstract

L'invention concerne la fabrication et les utilisations de matières plastiques, plus particulièrement les compositions de film polyoléfine opaque pour produire des films multicouche orientés biaxialement, aux propriétés améliorées, utilisés dans l'étiquetage en rouleau et l'alimentation, la confiserie, l'enveloppage, l'impression et le laminage avec différents substrats, les applications de soudure par pression à froid et impliquant des adhésifs thermofusibles, de même que dans le conditionnement des aliments et d'autres applications d'emballage et d'étiquetage à caractère général.
PCT/TR2001/000016 2001-04-18 2001-04-18 Composition polyolefine pour films opaques multicouche, blancs d'aspect, orientes biaxialement WO2002083414A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/TR2001/000016 WO2002083414A1 (fr) 2001-04-18 2001-04-18 Composition polyolefine pour films opaques multicouche, blancs d'aspect, orientes biaxialement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TR2001/000016 WO2002083414A1 (fr) 2001-04-18 2001-04-18 Composition polyolefine pour films opaques multicouche, blancs d'aspect, orientes biaxialement

Publications (1)

Publication Number Publication Date
WO2002083414A1 true WO2002083414A1 (fr) 2002-10-24

Family

ID=21619324

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2001/000016 WO2002083414A1 (fr) 2001-04-18 2001-04-18 Composition polyolefine pour films opaques multicouche, blancs d'aspect, orientes biaxialement

Country Status (1)

Country Link
WO (1) WO2002083414A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009029058A1 (fr) * 2007-08-28 2009-03-05 Super Film Ambalaj Ve Sanayi Ve Ticaret A.S. Films monocouches ou multicouches antistatiques à base de polypropylène à orientation biaxiale revêtus à la chaîne
WO2012155859A1 (fr) * 2011-05-18 2012-11-22 浙江众成包装材料股份有限公司 Film polyoléfine pour emballage et son procédé de préparation
EP2960054A1 (fr) * 2014-06-26 2015-12-30 Taghleef Industries SPA Films traité en surface à base de polypropylène

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5492757A (en) * 1993-04-10 1996-02-20 Hoechst Aktiengesellschaft Opaque, matte, multilayer polypropylene film, process for the production thereof, and the use thereof
US5516563A (en) * 1993-04-07 1996-05-14 Hoechst Aktiengesellschaft Opaque, matte, biaxially oriented, multilayer polypopylene film, process for the production thereof, and the use thereof
WO1999007553A1 (fr) * 1997-08-11 1999-02-18 Polinas Plastik Sanayi Ve Ticaret A.S. Feuils multicouches mats translucides a base de polypropylene presentant une orientation biaxiale, leur procede de preparation et leur utilisation
WO2000056547A1 (fr) * 1999-03-19 2000-09-28 Polinas Plastik Sanayi Ve Ticaret A.Ş. Films multicouches en propylene opaques et nacres a orientation biaxiale possedant des proprietes ameliorees

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5516563A (en) * 1993-04-07 1996-05-14 Hoechst Aktiengesellschaft Opaque, matte, biaxially oriented, multilayer polypopylene film, process for the production thereof, and the use thereof
US5492757A (en) * 1993-04-10 1996-02-20 Hoechst Aktiengesellschaft Opaque, matte, multilayer polypropylene film, process for the production thereof, and the use thereof
WO1999007553A1 (fr) * 1997-08-11 1999-02-18 Polinas Plastik Sanayi Ve Ticaret A.S. Feuils multicouches mats translucides a base de polypropylene presentant une orientation biaxiale, leur procede de preparation et leur utilisation
WO2000056547A1 (fr) * 1999-03-19 2000-09-28 Polinas Plastik Sanayi Ve Ticaret A.Ş. Films multicouches en propylene opaques et nacres a orientation biaxiale possedant des proprietes ameliorees

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009029058A1 (fr) * 2007-08-28 2009-03-05 Super Film Ambalaj Ve Sanayi Ve Ticaret A.S. Films monocouches ou multicouches antistatiques à base de polypropylène à orientation biaxiale revêtus à la chaîne
WO2012155859A1 (fr) * 2011-05-18 2012-11-22 浙江众成包装材料股份有限公司 Film polyoléfine pour emballage et son procédé de préparation
EP2960054A1 (fr) * 2014-06-26 2015-12-30 Taghleef Industries SPA Films traité en surface à base de polypropylène

Similar Documents

Publication Publication Date Title
EP2406313B2 (fr) Film orienté dans le sens machine pour des étiquettes
US5492757A (en) Opaque, matte, multilayer polypropylene film, process for the production thereof, and the use thereof
US5516563A (en) Opaque, matte, biaxially oriented, multilayer polypopylene film, process for the production thereof, and the use thereof
EP0782498B1 (fr) Film de polypropylene oriente biaxialement contenant un stratifie polyester et procede de fabrication
US8178210B2 (en) Multilayer oriented high-modulus film
US5900294A (en) Biaxially oriented multilayer polyolefin film which can be heat-sealed at low temperatures, process for the production thereof, and the uses thereof
US20090208717A1 (en) Coextruded multi-layer barrier film having at least one film ply of ethylene-vinyl alcohol copolymer (evoh), method of producing it, and its use
CN112672882B (zh) 具有改进的刚度的可回收的pe包装膜
US20080311371A1 (en) Film and sheet for folding packaging containers
JP2008540156A (ja) 包装用高強度ポリプロピレンベース保護フィルム、その製造方法と使用方法
US20200391489A1 (en) Recyclable Packaging Laminate with Improved Heat Resistance for Sealing
US6872458B1 (en) Biaxally-oriented polypropylene films containing a non-crystallizable, amorphous polyester layer, and method of making the same
WO2000017839A1 (fr) Etiquette transparente
US20040146699A1 (en) Synthetic paper
US11801670B2 (en) White, conformable films for pressure-sensitive-labeling applications
AU772959B2 (en) Biaxially oriented polypropylene multilayer opaque-pearlised films with improved properties
WO2002083414A1 (fr) Composition polyolefine pour films opaques multicouche, blancs d'aspect, orientes biaxialement
US5683802A (en) Heat-seatable or non-heat-sealable, oriented, multilayer polyolefin film comprising ceramic particles
CN114728509A (zh) 可回收包装材料及其制备方法
WO1999007553A1 (fr) Feuils multicouches mats translucides a base de polypropylene presentant une orientation biaxiale, leur procede de preparation et leur utilisation
US20230364891A1 (en) Oriented film containing recycled polyamide
AU2004261401B2 (en) Multilayer oriented high-modulus film

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: JP