Abstract: The invention relates to a multilayered, opaque, biaxially oriented polyolefin film having a thickness of at least 30 ?m consisting of a vacuole-containing base layer and intermediate layers applied to both sides thereof, and cover layers applied to either side of the intermediate layers. Both intermediate layers have a thickness of at least 3 ?m and contain at least 70% by weight of a propylene homopolymer. Both cover layers are constructed from incompatible polymers. The inner cover layer has a surface roughness Rz of at least 3.0 ?m and the outer cover layer has a roughness from 1 to 3 ?m, the roughness of the inner cover layer being at least 1.5 units greater than the roughness of the outer cover layer.

Abstract: The invention relates to a multilayered, film which having a base layer and at least one covering layer, wherein the top layer contains at least one polymer of at least one aliphatic hydroxycarboxylic acid and 0.002 to 20% by weight starch-based particles relative to the weight of the covering layer. The film is characterized by good antistatic properties.

Abstract: The invention relates to the use of a multilayer, biaxially oriented polyolefin film comprising at least five layers as the label in deep drawing, which film is constructed from the following layers I the base layer is free from vacuoles, and IIa the outer intermediate layer is free from vacuoles and contains at least 95% by weight propylene polymer, which polymer has a propylene content of 98 to 100% by weight relative to the propylene polymer, and IIIa printing may be applied to the outer cover layer, and IIb the inner intermediate layer is constructed essentially from propylene polymer and contains vacuoles, and IIIb the inner cover layer is applied to the surface of the inner intermediate layer and is a sealable cover layer, and is a sealable cover layer, and has a sealing initiation temperature <130° C.

Abstract: The invention relates to a biaxially oriented, multilayer microporous foil including one layer made from propylene homopolymer, a propylene block copolymer, a polyethylene and ?-nucleating agent, and at least one further porous layer.

Abstract: Single-layer or multilayer, biaxially oriented, microporous foil having a shut-off function, which comprises propylene homopolymer and propylene block copolymer, polyethylene and ?-nucleating agent.

Abstract: The invention relates to a method for producing a biaxially oriented polypropylene film including at least one layer, which is constructed from propylene polymer B and a propylene polymer that has been recycled once. The film is used in capacitors.

Abstract: The invention relates to a multi-layer, opaque, biaxially-oriented polyolefin film with a thickness of at least 40 ?m of a vacuole-containing base layer B and intermediate layers Z applied on both sides thereof of at least 70% by weight of a propylene homopolymer, and with a thickness of at least 3 ?m and a covering layer D on both sides thereof of a mixture of incompatible polymers and respectively a surface roughness Rz of at least 2.5 ?m (with a cut-off of 0.25 mm). The invention also relates to the use of this film as a wrap-around label.

Abstract: The invention relates to a multi-layer biaxially oriented film comprising a base layer and at least one covering layer. Said covering layer comprises at least one polymer of at least one hydroxycarboxylic acid, and contains between 2 and 10 wt. % of a glycerine fatty acid ester and up to 0.5 wt. % of mica.

Abstract: The invention relates to a biaxially oriented microporous film composed of at least three coextruded layers encompassing an internal cut-off layer and two external layers, wherein all three layers contain a mixture of propylene homopolymer and propylene block copolymer and ?-nucleation agent. The propylene block copolymer I of the external layers has a melting point exceeding 140° C. and the propylene block copolymer II of the internal layer has a melting range starting at a temperature ranging from 50 to 120° C. and the melting point of the propylene block copolymer I is greater than the melting point of the propylene block copolymer II.

Abstract: The invention relates to a biaxially oriented microporous film composed of at least two coextruded layers encompassing an external shut-off layer and another layer, wherein both layers contain a mixture of propylene homopolymer and propylene block copolymer and ?-nucleation agent. The propylene block copolymer I of the other layer has a melting point exceeding 140° C. and the propylene block copolymer II of the external shut-off layer has a melting range starting at a temperature ranging from 50 to 120° C. The melting point of the propylene block copolymer I is greater than the melting point of the propylene block copolymer II. The film can be used as a separator in a primary or secondary battery.

Abstract: The invention relates to a biaxially oriented, single-layer microporous film which has a shut-off function and is made of propylene homopolymer, propylene block copolymer I and ?-nucleation agent. The melting range of the propylene block copolymer I starts at a temperature ranging from 50 to 120° C. The invention also relates to using the film as a separator in primary or secondary battery.

Abstract: The invention relates to the use of a multilayered, opaque, biaxially oriented polyolefin film of a vacuole-containing base layer and at least one inner cover layer comprising at least 30-95% by weight of a copolymer and/or terpolymer I having a seal initiation temperature I of 70-105° C. and 5 to 70% by weight of an incompatible polyethylene, each of the specifications in percent by weight being based on the weight of the inner cover layer and the inner cover layer having a seal initiation temperature II of 80 to 110° C.

Abstract: The invention relates to a method for raising the surface tension of biaxially-stretched films made of thermoplastic polymers. According to the method, a film is first treated on a surface by means of an atmospheric pressure plasma before being stretched transversally or simultaneously across the width thereof, and the film is additional a subjected to a second treatment by means of a corona or flame after being stretched transversally or simultaneously, the second treatment being done on the same surface which has already been plasma-treated.

Abstract: The invention relates to the use of a bixailly oriented film having a porous layer, which contains propylene polymer and at least one ?-nucleating agent and whose microporosity is generated by converting ?-crystalline polypropylene during stretching of the film, for labeling containers during a drawing process.

Abstract: A process for crystallizing amorphous polymers whose Tg lies below the crystallite melting point. According to this process, amorphous or partially crystalline polymer grains are exposed in water for a period of at least 30 seconds to a temperature in the polymer crystallization range.

Abstract: The invention relates to the use of a bixailly oriented film having a porous layer, which contains propylene polymer and at least one ?-nucleating agent and whose microporosity is generated by converting ?-crystalline polypropylene during stretching of the film, for labeling containers during a drawing process.

Abstract: The present invention relates to a biaxially oriented polyhydroxycarboxylic acid film composed of at least one layer containing a polymer based on hydroxycarboxylic acid. The film is notable for good mechanical properties such as high breaking strength and modulus of elasticity. The invention further relates to a process for producing the PHC film and the use thereof.

Abstract: The present invention relates to simultaneously drawn opaque biaxially oriented film made of at least one cycloolefin copolymer (COC) containing layer. The COC is preferably at a concentration of 0.5 to 30% by weight, based on the layer. The invention further relates to an opaque, biaxially oriented polyhydroxycarboxylic acid film containing at least one layer containing a polymer based on hydroxycarboxylic acids and a cycloolefin copolymer (COC). The invention further relates to a process for producing the PHC film and the use thereof.

Abstract: The present invention relates to a method for the disinfection, partial disinfection or sterilization of a product by means of UV radiation. A product is enclosed with a UV permeable packaging material made of polyhydroxycarboxylic acid and subsequently disinfecting, partially disinfecting or sterilizing in the packaged state by means of irradiation with UV radiation.

Abstract: The invention relates to a multi-layer biaxially oriented polypropylene film consisting of a base layer at least one first cover layer. The base layer contains a hydrocarbon resin, and the cover layer contains a polydialkylsiloxane with a viscosity of at least 200.000 mm2/sec. The first cover layer is provided with a cold-seal adhesive coating on its outer surface.