| Treofan Germany GmbH & Co. KG Patent applications |
| Patent application number | Title | Published |
|---|
| 20120058304 | LABEL FILM - The invention relates to a multilayered, opaque, biaxially oriented polyolefin film having a thickness of at least 30 μm 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 μm 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 μm and the outer cover layer has a roughness from 1 to 3 μm, the roughness of the inner cover layer being at least 1.5 units greater than the roughness of the outer cover layer. | 03-08-2012 |
| 20110268934 | LABEL FILM FOR DEEP-DRAWING PROCESSES - 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
| 11-03-2011 |
| 20110244336 | SINGLE-LAYER MICROPOROUS FOIL FOR BATTERIES HAVING SHUT-OFF FUNCTION - Single-layer or multilayer, biaxially oriented, microporous foil having a shut-off function, which comprises propylene homopolymer and propylene block copolymer, polyethylene and β-nucleating agent. | 10-06-2011 |
| 20110244306 | MULTI-LAYER MICROPOROUS FILM FOR BATTERIES HAVING SHUT-OFF FUNCTION - The invention relates to a biaxially oriented, multilayer microporous foil including one layer made from propylene homopolymer, a propylene block copolymer, a polyethylene and β-nucleating agent, and at least one further porous layer. | 10-06-2011 |
| 20110236702 | METHOD FOR PRODUCING POLYPROPYLENE FILMS - 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. | 09-29-2011 |
| 20110214794 | LABEL FILM FOR ALL-ROUND LABELS - The invention relates to a multi-layer, opaque, biaxially-oriented polyolefin film with a thickness of at least 40 μm 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 μm 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 μm (with a cut-off of 0.25 mm). The invention also relates to the use of this film as a wrap-around label. | 09-08-2011 |
| 20110064990 | MICRO-POROUS MULTI-LAYER MEMBRANE FILM BASED ON POLYPROPYLENE FOR BATTERIES WITH A CUT-OFF FUNCTION - 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 β-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. | 03-17-2011 |
| 20110064989 | MEMBRANE FILE FOR BATTERIES, HAVING A SHUT-OFF FUNCTION - 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 β-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. | 03-17-2011 |
| 20110064934 | SINGLE-LAYER POLYPROPYLENE MEMBRANE FILM FOR BATTERIES, HAVING A SHUT-OFF FUNCTION - 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 β-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. | 03-17-2011 |
| 20100326590 | LABEL FILM FOR DEEP-DRAW PROCESSES - 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. | 12-30-2010 |
| 20100151219 | SIMULTANEOUSLY ORIENTED PLA FILM WITH IMPROVED MECHANICAL PROPERTIES - 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. | 06-17-2010 |
| 20100092791 | SIMULTANEOUSLY DRAWN OPAQUE FILM MADE OF PLA - 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. | 04-15-2010 |
| 20100092627 | PACKAGING FOR UV STERILIZATION - 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. | 04-15-2010 |
| 20100047544 | BIAXIALLY ORIENTED ELECTRICAL INSULATING FILM - The invention relates to a biaxially oriented electrical insulating film which contains a mixture from a polypropylene P1 and a polypropylene P2 which is different therefrom. The polypropylene P1 is a linear polypropylene and has an Mw/Mn> | 02-25-2010 |
| 20100003489 | BIAXIALLY ORIENTED ELECTRICAL INSULATING FILM - The invention relates to a biaxially oriented electrical insulating film which is constituted of a base layer and at least one cover layer, the base layer containing a mixture from a polypropylene P1 and a polypropylene P2 which is different therefrom, the polypropylene P1 being a linear polypropylene and having an Mw/Mn>5 and a mesopentadene isotactic index of at least 95% and the polypropylene P2 having a long-chain branching. | 01-07-2010 |
| 20090169851 | PEELABLE SEALABLE PLA FILM - The invention relates to a multilayer biodegradable film produced from a base layer and at least one cover layer, which has a reduced seam strength and which can be used as a cover film for containers. Containers that are sealed with the film according to the invention can be opened more easily than those sealed with conventional film. | 07-02-2009 |
| 20090041965 | Label Film for a Blow Moulding Method - The invention relates to a biaxial oriented film with a microporous layer, comprising a propylene polymer and at least one β-nucleating agent the microporosity of which is generated by conversion of β-crystalline polypropylene on drawing the film and the use thereof for the labelling of containers in blow moulding. The Gurley value for the film is 10,000 to 300,000 Gurley. | 02-12-2009 |
| 20090017290 | Metallised Film Having Good Barrier Properties - The invention relates to a metallized, biaxially oriented, transparent polypropylene multi-layer film which contains at least two layers, wherein the layers comprise a base layer and at least one first metallized cover layer on a surface of the base layer wherein the layer contains at least 80% by weight of a propylene-ethylene copolymer which has an ethylene content of 1.2 to <2.8% by weight and a propylene content of 97.2-98.8% by weight and a melting point in the region of 140 to 160° C. and a fusion enthalpy of 80 to 110 J/g and the first cover layer has a thickness of at least 2.5 μm and the film is metallized on the surface of the first cover layer. | 01-15-2009 |
| 20090011183 | Biaxially Oriented Polypropylene Film for Labels - The invention relates to a multi-layered biaxially oriented polypropylene film consisting of a base layer, a covering layer (I) which is applied to a first side of the film and contains at least between 80 and 100 wt. % of a propylene-ethylene copolymer, and another layer (II) which is applied to the opposing second side and contains between 40 and 100 wt. % of a propylene-ethylene copolymer. The propylene-ethylene copolymer of the two layers contains a maximum of 2.5 wt. % of ethylene and has a melting point between 145 and 160° C. The curl of the film can be controlled very well. | 01-08-2009 |
| 20080286561 | Pla Film Comprising Good Antistatic Properties - 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. | 11-20-2008 |
| 20080277297 | Cigarette Package Provided With Internal Envelops Made From Polymer Film - The invention relates to a single-layered or multilayered, biaxially-oriented film which contains 70 to 100% by weight of polymer consisting of at least one type of aliphatic polyhydroxycarboxylic acid, and which is used in the form of an inner liner of a cigarette package. | 11-13-2008 |
