Patent application number | Description | Published |
20080233375 | Films for use in high strength bags - Thermoplastic films particularly suited for use in bags including at least a core layer comprising an ethylene copolymer, wherein the films are subjected to post-quench biaxial orientation are provided. Optionally, the films may have a first skin layer and/or a second skin layer located on each side of the core layer. Embodiments may have the desirable combination of improved puncture toughness and ultimate tensile strength, low manufacturing cost and desirable optical and tactile properties. | 09-25-2008 |
20080286547 | Polypropylene films with enhanced moisture barrier properties, process for making and composition thereof - Multi-layer films particularly suited for packaging applications, including a core layer, the core layer having at least one nucleating agent and at least one water vapor transmission inhibitor are provided. Optionally, the multi-layer film may have at least one skin layer and at least one tie layer located intermediate the core layer and the at least one skin layer. Embodiments may have the advantage of superior barrier properties and very low water vapor transmission rates. | 11-20-2008 |
20090098395 | Barrier coating for thermoplastic films - The present invention generally relates to a barrier coating composition for application to a thermoplastic film comprising (a) a nano-clay additive in an amount from about 1 wt % to 50 wt % of said barrier coating, wherein said nano-clay additive comprises untreated nano-clay platelets; and (b) a base coating in an amount from about 50 wt % to 99 wt % of said barrier coating, wherein said base coating comprises a polymer selected from the group consisting of polyvinylidene chloride (PVdC), poly(vinyl)alcohol (PVOH), ethylene vinyl alcohol (EVOH), acrylate copolymers and mixtures thereof. | 04-16-2009 |
20090194450 | Coating Compositions, Coated Substrates and Hermetic Seals Made Therefrom Having Improved Low Temperature Sealing and Hot Tack Properties - Novel coated substrates are disclosed wherein a substrate is coated with a coating composition that forms good hermetic seals at very low temperatures and exhibits good blocking and slip characteristics. Such coating composition is comprised of an aqueous dispersion of a substantially non-polar copolymer of ethylene and an alpha-olefin having less than 20 carbon atoms, and an additive selected from the group consisting of an anti-blocking and slip agent, a coalescent and wetting agent, and mixtures thereof. | 08-06-2009 |
20090197022 | Coated Biaxially Oriented Film Via In-Line Coating Process - Methods for producing a coated biaxially oriented film and films made therefrom. An illustrative method can include orienting a base film in a first direction to provide an uniaxially oriented film; coating at least a portion of the uniaxially oriented film with a polyolefin dispersion to produce a coated uniaxially oriented film; and orienting the coated uniaxially oriented film in a second direction at a temperature sufficient to stretch and anneal the coated film to provide a coated biaxially oriented film having greater than 80% gloss. | 08-06-2009 |
20090202848 | Thermoplastic Film Structures with a Low Melting Point Outer Layer - A film structure including at least a base layer containing a thermoplastic polymer and at least an outer layer containing a low melting point polymer. Methods of manufacturing the film structure, including the steps of coextruding melts corresponding to the individual layers of the film structure through a die and thereafter: simultaneously biaxially stretching the coextruded film sheet; or sequentially biaxially stretching the coextruded film sheet, wherein the machine-direction orientation (MDO) is performed with a radiant-heated MDO stretcher. An extrusion-coated film structure exhibiting strong bond adhesion, and a method of manufacturing the same are also provided. | 08-13-2009 |
20090286024 | Biaxially Oriented LLDPE Blends - Disclosed in one aspect is a film comprising at least one core layer comprising a blend of at least 20 wt %, by weight of the core layer, of a first linear LLDPE having a molecular weight distribution (Mw/Mn) within the range of from 1.0 to 4.0; and at least 20 wt %, by weight of the core layer, of a second LLDPE—in a certain embodiment a short-chain branched LLDP—having a molecular weight distribution (Mw/Mn) within the range of from 1.0 to 7.0; characterized in that the density of the second LLDPE is greater than the density of the first LLDPE by at least 0.002 g/cm | 11-19-2009 |
20110135916 | Multilayer Films Having Improved Sealing Properties, Their Methods of Manufacture, and Articles Made Therefrom - Multilayer films are provided which include at least a core layer and a sealant skin layer, and optionally a first tie layer intermediate the core layer and the sealant skin layer. The sealant skin layer includes a first polymer component having a heat of fusion of less than 75 J/g and a second polymer component. The multilayer film preferably has a seal strength greater than about 200 g/2.54 cm for a seal formed on a crimp sealer at a temperature of at least 93.3° C. The core layer may include a nucleating agent and a hydrocarbon resin. The multilayer film may be biaxially oriented and may be useful in packaging applications. | 06-09-2011 |
20110254909 | Coated Films for Inkjet Printing - Provided are coated films suitable for inkjet printing applications using UV-curable inkjet ink. The films are coated with cationically stabilizable emulsion polymers. The emulsion polymers contain cationically stabilizable amino-functional polymers. Also provided is a method of printing with a UV-inkjet printer comprising jetting UV-curable inkjet ink onto the coated film substrate to form an ink printed image. | 10-20-2011 |
20110268979 | Multilayer Shrink Films, Labels Made Therefrom and Use Thereof - A multilayer heat shrink film including a core layer including one or more alpha-olefin polymer and at least one skin layer including one or more cyclic olefin copolymers (COC), process for its preparation and uses thereof. | 11-03-2011 |
20110274938 | Barrier Film Structures - A polymeric film structure exhibiting improved barrier properties and which is formed in the absence of a primer. The film structure is produced by coating a surface of a polymeric substrate with a solution of a polyvinyl alcohol-vinyl amine copolymer, an aldehyde-containing crosslinking agent and a crosslinking promoting acid catalyst and metallized with a metal layer. The polymer substrate is made out of polyolefin materials such as polypropylene. | 11-10-2011 |
20120114889 | Coating Compositions, Coated Substrates and Hermetic Seals Made Therefrom Having Improved Low Temperature Sealing and Hot Tack Properties - Novel coated substrates are disclosed wherein a substrate is coated with a coating composition that forms good hermetic seals at very low temperatures and exhibits good blocking and slip characteristics. Such coating composition is comprised of an aqueous dispersion of a substantially non-polar copolymer of ethylene and an alpha-olefin having less than 20 carbon atoms, and an additive selected from the group consisting of an anti-blocking and slip agent, a coalescent and wetting agent, and mixtures thereof. | 05-10-2012 |
20120157598 | Polymeric Films and Method of Making Same - Provided are polymeric films that include a polyolefin and at least one cavitating agent including a poly(alkylene terephthalate) of formula (I); | 06-21-2012 |
20120263960 | Film Composition and Method of Making the Same - This disclosure relates to a film comprising a metal receiving layer, the first layer comprising a blend of a first polymer and 5-25 wt. % of a second polymer, the second polymer is a metallocene-catalyzed elastomeric ethylene-propylene copolymer having an ethylene content of less than or equal to 10 wt. %, the first polymer is different from the second polymer. | 10-18-2012 |
20120282476 | Metallized Films Having Improved Adhesion, Articles Made Therefrom, and Method Making Same - Embodiments of the invention relate to a metallized, oriented multi-layer polymeric film having a) at least one layer A that includes a first polyolefin composition and b) a metallized layer B having a first side in surface contact with layer A, the metallized layer B includes (i) 50.0 to 99.9 wt % of a second polyolefin composition, and (ii) 0.1 to 50.0 wt % of at least one conductive polymer composition having a volume resistivity of 1.0×10 | 11-08-2012 |
20120308789 | Multilayer Films Having Improved Imageability,Their Methods of Manufacture, and Articles Made Therefrom - Imageable multilayer films are provided which include at least a core layer comprising a pigment or other colorant, a clear sealant layer, and an image-side tie layer intermediate the core layer and the sealant layer, where the tie layer comprises a cavitating agent. The sealant layer may include a first polymer component having a heat of fusion of less than 75 J/g and a second polymer component. The multilayer film may have a seal strength greater than about 200 g/2.54 cm for a seal formed on a crimp sealer at a temperature of at least 93.3° C. The multilayer film may be biaxially oriented, an image may be effected on the film without the use of inks, and the film may be useful in packaging applications. | 12-06-2012 |
20130011669 | Multi-Layer Films Having Improved Sealing Properties - Heat-sealable, oriented, multilayer films including i) a polyolefin core layer; and ii) a heat-sealable layer a blend of 10.0 wt % to 50.0 wt % of a propylene-based elastomer and 50.0 wt % to 90.0 wt % of a propylene-based polymer, wherein the heat-sealable layer includes less than 1.0 wt % ethylene homopolymer or ethylene-based copolymer and wherein the heat-sealable layer has a Haze of ≦5.0 and a seal strength of ≧2.00×10 | 01-10-2013 |
20130089685 | Squeezable and Conformable Oriented Polypropylene Label - Provided is a squeezable oriented polypropylene adhesive film that can be formed into a label comprising at least one core layer sandwiched between at least two skin layers, the layers comprising: a core layer comprising a polypropylene and within the range of from 20 wt % to 50 wt %, by weight of the materials in the core layer, of a propylene-α-olefin elastomer having within the range of from 5 wt % to 25 wt % α-olefin derived units, by weight of the elastomer; a printable skin layer comprising within the range of from 60 wt % to 100 wt %, by weight of the materials in the printable skin layer, or an α-olefin copolymer comprising at least 30 wt % ethylene; and an adhesive-accepting skin layer comprising within the range of from 60 wt % to 100 wt %, by weight of the materials in the adhesive-accepting skin layer, of a polypropylene. | 04-11-2013 |
20130095338 | Soft Multi-Layer Shrink Films - Disclosed is a multi-layer heat shrink film and a method of making the film comprising a core layer comprising at least one α-olefin copolymer selected from propylene-based elastomers, ethylene plastomers, metallocene catalyzed linear low density polyethylenes, and blends thereof, and an equal or lesser amount of a polypropylene having a melting point higher than α-olefin copolymer; at least one skin layer comprising a cyclic olefin copolymer (COC); and at least one tie layer between at least one skin layer and the core layer, the tie layer comprising a material or blend of soft materials having a Hardness (ISO 7619, Type A) of from 45 to 100; and a Tensile Strength (ISO 37) of from 10 MPa to 30 MPa. | 04-18-2013 |
20130115398 | Uniaxially Shrinkable, Biaxially Oriented Polypropylene Films - Provided is a polypropylene film, and a method of making the film, the film comprising at least one core layer sandwiched between at least two skin layers, the layers comprising a core layer comprising polypropylene and within the range of from 20 wt % to 50 wt %, by weight of the materials in the core layer, of a propylene-α-olefin elastomer having within the range of from 5 wt % to 25 wt % α-olefin derived units, by weight of the copolymer; and skin layers comprising one or more polymers having a melting point within the range of from 125° C. to 160° C., a Shore D Hardness within the range of from 55 to 70, and a Flexural Modulus of at least 600 MPa; wherein the film has a Haze value of less than 10%, the film being biaxially oriented but shrinkable substantially only in the MD. | 05-09-2013 |
20130130047 | Laminate Film and Method of Making the Same - This disclosure relates to a laminate film that includes an oriented, polymeric film and a polyolefinic substrate. The oriented, polymeric film includes about 60.0 to about 95.0 wt % of a first polymer and about 5.0 to about 40.0 wt % of a propylene-based elastomer. The polyolefinic substrate is laminated to the first surface of the first surface layer. | 05-23-2013 |
20130164550 | Film Composition and Method of Making the Same - Films including at least one layer of a blend of a cyclic olefin copolymer and a hydrocarbon wax are described. Particularly, films including 75.0 wt % to 99.9 wt % of a copolymer of a cyclic olefin monomer and an acyclic olefin and 0.1 wt % to 25.0 wt % of a hydrocarbon wax are described. Methods of making such films are also disclosed. | 06-27-2013 |
20130171386 | Multi-Layer Films and Articles Made Therefrom - Multi-layer films particularly suited for packaging applications, including a core layer, a tie layer made from at least 10 wt % of a first polymer and where the first polymer preferably is not present in the core layer are provided. Optionally, the multi-layer film may have a skin layer, a second tie layer and/or a second skin layer. Embodiments may have the advantage of improved seal strength, hermeticity, hot tack and reduced-temperature sealability. | 07-04-2013 |
20130196166 | Film Composition and Method of Making the Same - This disclosure relates to a film that includes a first layer, the first layer includes a) 65.0 to 94.5 wt % of a first polymer; b) 0.5 to 10.0 wt % of a hydrocarbon resin; and c) 5.0 to 25.0 wt % of an elastomeric propylene-ethylene copolymer having an isotactic propylene triad tacticity of from 65 to 95%, a melting point by DSC equal to or less than 110° C., a heat of fusion of from 5.0 to 50.0 J/g, the elastomeric propylene-ethylene copolymer having: (1) propylene-derived units in an amount of at least 75 wt %; (2) ethylene-derived units in an amount of at least 6 wt %; and (3) optionally, 10 wt % or less of diene-derived units. | 08-01-2013 |
20140159277 | Multilayer Shrink Films, Labels Made Therefrom and Use Thereof - A multilayer heat shrink film including a core layer including one or more alpha-olefin polymer and at least one skin layer including one or more cyclic olefin copolymers (COC), process for its preparation and uses thereof. | 06-12-2014 |