Abstract: The invention relates to a multilayered biaxially oriented polyolefin film in the form of a release film in a laminate which is coated on an outer surface thereof with a cold seal adhesive. The release film comprises a base layer and at least one outer layer. At least one layer of the release film contains wax having an average molecular weight Mn of 200-3000. The invention also relates to a method for producing the film and the use thereof.

Abstract: In-mold labelled, blow-molded articles formed from high density polyethylene, the labels being formed from biaxially oriented polypropylene based films having a shrinkage of at least 4% in both the machine and transverse directions as measured by the OPMA shrink test in which the film is suspended in an oven at 130° C. for a period of 10 minutes. The use of films with the specified shrinkage enables blistering and “orange peel” effects to be avoided when the blow-molding is carried out.

Abstract: The invention relates to the use of a polyolefinic film, with at least one layer, which is made from polyolefinic polymers, whereby said polyolefinic film comprises a bonding layer as outer layer. Said bonding layer contains at least 50 wt. % based on the weight of the layer of a maleic anhydride modified polyolefin. The film is used for printing, metallising or coating.

Abstract: The invention relates to the use of a biaxially oriented polyolefin film as a label film. The inventive film consists of a base layer and at least one cover layer. Said cover layer contains as the main component a copolymer or terpolymer consisting of one alkene and unsaturated carboxylic acids or the esters thereof and low amounts of an additive. The cover layer is characterized by excellent and divers adhesion to various polymer materials from which containers are formed. It is no longer necessary to apply adhesives, primers, coatings etc. in a separate step after production of the film.

Abstract: The invention relates to a method for the plastic shaping of a biaxially-drawn film, comprising at least one base layer, containing at least one polymer (I), made from at least one hydroxycarboxylic acid and ?0.2 wt %, based on the weight of the layer, of a thermoplastic polymer (II), different from polymer (I). Said film is plastically moulded by application of pneumatic and/or mechanical forces.

Abstract: The invention relates to a biaxially oriented polypropylene multilayer film, which comprises at least one base layer (B), an intermediate layer (I) and a top layer (I), and which contains anti-fog additives. The anti-fog additive is only added to the intermediate layer (I) in a quantity ranging from 0.5 to 8 wt. % with regard to the weight of the intermediate layer, and the film contains a maximum of 0.5 to <1 wt. % of anti-fog additives with regard to the total weight of the film. The film is suited for packaging moist goods.

Abstract: The invention relates to a transparent, single or multi-layer oriented polyolefin film which consists of at least one layer containing a sheet silicate with an irregular surface structure and no metal oxide coating.

Abstract: The invention relates to a laminate consisting of a multilayer transparent film and a multilayer opaque film, which has an intermediate layer. The base layer of the transparent film contains a pigment, which absorbs illumination in the wavelength range of a laser. The laminate can be marked and inscribed using a laser.

Abstract: The invention relates to a multi-layered biaxially orientated polyolefin film comprising a base layer and at least one protective coating. Said protective coating contains, as the main component, one copolymer or terpolymer I, which seals against PVDC and acrylate lacquers and coatings and consists of an olefin and unsaturated carboxylate acids or the esters thereof, and small quantities of wax. The film is provided on one side with a PVDC or acrylate coating so that it can be used as roll-wrap packaging.

Abstract: The invention relates to a biaxially-oriented opaque polypropylene multi-layer film, made from a base layer, at least one first intermediate layer arranged thereon and a first surface layer arranged on the first intermediate layer. The first intermediate layer has essentially no vacuoles. The first surface layer comprises at least 80 wt. % of a propylene/ethylene copolymer with an ethylene content of 1.2 to <2.8 wt. % and a propylene content of 97.2-98.8 wt. %, a melting point in the range 145 to 160° C. and a fusion enthalpy of 80 to 110 J/g. The base layer comprises vacuoles and has a density in the range 0.35 to 0.6 g/cm3. The invention further relates to the use of said film for the in-mould labeling of containers made from thermoplastic polymers.

Abstract: The invention relate to the use of a multi-layer polypropylene film as an in-mold label used in a blow molding methods. According to the invention, the label film is laid inside the hollow mold of a blow molding machine, comprises an inner protective layer that faces the receptacle to be molded, and comprises an outer protective layer that is in contact with the hollow mold, whereby the inner protective layer has a roughness Rz of at least 3.5 ?m.

Abstract: Polymeric films including a layer of propylene polymer resin having microvoids therein, the microvoids having been formed by stretching a web containing the beta-form of polypropylene, have shown low static cling when being unwound from rolls in labelling operations and also during destacking of pre-formed labels. The invention provides labels formed from such films.

Abstract: Biaxially oriented heat shrinkable polyolefin films having a layer of polypropylene-based resin with microvoids therein, the microvoids having been formed by stretching a web containing the beta-form of polypropylene, the film having a shrinkage after 10 minutes at 130° C. of at least 10% in at least one direction.

Abstract: The application relates to a device for adjusting the gap of a die arrangement using a thermopin, which is connected to the die lip (10) without any play by means of a clamp-type socket (7), where the clamp-type socket (7) engages on the one had in a lip nose (11) and on the other hand in a groove (5) of the thermopin (1), where the lip nose (11) is an integral part of the die lip (10) and the clamp-type socket (7) has a bore (8), and the thermopin (1) has a bore (4) and a fixing means is passed through the bores (8) and (4).

Abstract: Biaxially oriented polymeric films having a core layer of a voided propylene homopolymer with a density of not more than 0.70 g/cm3, and at least one substantially non-voided layer on each surface of the core layer, the ratio of the combined thicknesses of the non-voided layers on the respective surfaces of the core layer being from 2:1 to 1:1. Films in accordance with the present invention have low curl, particularly after having been printed.

Abstract: The invention relates to a multi-layer, sealable biaxially oriented polypropylene film consisting of a base layer and at least one sealable covering layer. The base layer contains between 1 and 15 weight % of a resin with a mean molecular weight Mw of between 600 and 1,500 and between 1 and 6 weight % of a wax with a mean molecular weight Mn of between 200 and 700. The n-heptane insoluble part of the polypropylene of the base layer has a chain isotactic index of at least 95%, as measured by 13C-NMR spectroscopy. The invention also relates to a method for producing said film and to its use.

Abstract: The invention relates to a packaging material made of a multilayer oriented polyolefin film, which comprises a base layer and at least one first outer layer, whereby the first outer layer is placed in contact with itself or in contact with the opposing surface of the film or in contact with the surface of another film. This first outer layer contains an additive which absorbs light within the wavelength range of a laser such that when the film is locally irradiated by the laser, the area of irradiation experiences an increase in temperature that causes the polyolefin of the first outer layer to soften or melt in the irradiated area and to bond to another layer when cooled.

Abstract: The present invention relates to a method for guiding a flat web of material (1) in which the web of material (1) runs in an arrangement of rotating rollers at a web speed vF. The web of material is guided in its peripheral region via a spreader roll (2) which produces a tensile stress in the transverse direction, i.e. crosswise relative to the machine direction of the web of material (1), wherein this tension in the transverse direction is controlled by means of closed-loop control of the circumferential speed vR of the spreader roll (2) and/or by open-loop control of the cant angle &agr; and/or of the wrap angle &bgr; between the surface of the spreader roll (3) and the web of material (1) and wherein the circumferential speed vR is greater than the web speed vF.

Abstract: A method for producing a coated polymeric article by co-extruding polypropylene and a maleic anhydride modified polypropylene, corona-treating, and applying a polysilicate barrier is described. Also provided are films and bottles produced using this method.

Abstract: A method for producing a coated polymeric article by co-extruding polypropylene and a maleic anhydride modified polypropylene, corona-treating, and applying a polysilicate barrier is described. Also provided are films and bottles produced using this method.