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Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7988894 | Method of making biaxially oriented polyolefin film for cold seal applications The present invention relates to methods of manufacturing multi-layered polyolefin films that provide excellent adhesion to cold seal cohesive formulations. A surface of the film is discharge-treated. It has been found that when the discharge-treated surface has at ... | 08/02/2011 |
| 7588706 | Multi-layer films with improved properties A method of improving hot tack and/or seal strength in a multi-layer film by selecting a first PE comprising at least one of mPE, LDPE or LLDPE to form a first layer and selecting a blend comprising a mPE and a PP to form an outer layer; and coextruding the first PE... | 09/15/2009 |
| 7442333 | Method for the production of polyamide nanocomposites, corresponding packaging materials and moulded bodies The invention relates to a method for the production of polyamide nanocomposites made from base polymers comprising aromatic components and organically-modified phyllosilicates in a double-screw extruder with a front-feeder and a side-feeder. Said method is characte... | 10/28/2008 |
| 7413624 | Method for making multilayer articles having special visual effects The present invention relates to a method for making a multilayer article, wherein said multilayer article comprises: (i) a first layer comprising an acrylic resin; (ii) at least one translucent second layer comprising (a) an acrylic resin, optionally further compri... | 08/19/2008 |
| 7405008 | Ionomer laminates and articles formed from ionomer laminates The present invention includes a laminate and formation of a laminate having at least one layer of an ionomer and at least one layer of an acid polymer or blend of acid polymer and a thermoplastic polyolefin that can be thermoformed to form a shaped laminate. The sh... | 07/29/2008 |
| 7390445 | Method of producing composite sheet having polyolefin foam layer A method of producing a composite sheet having a foam layer of a first polyolefin-based resin and a surface layer of a second polyolefin-based resin provided on at least one side of the foam layer and containing a polymeric antistatic agent. The method includes coex... | 06/24/2008 |
| 7387837 | Thermoplastic polyurethane composition and process for producing the same The present invention provides a thermoplastic polyurethane composition which comprises an ethylene-vinyl alcohol copolymer and/or a polyamide, and a thermoplastic polyurethane, in which the retention of melt tension thereof, when kept in a molten state at 220° C. ... | 06/17/2008 |
| 7335424 | Ionomer laminates and articles formed from ionomer laminates A co-extruded laminate of at least one layer of an ionomer and at least one layer of an acid polymer that can be thermoformed with a plastic substrate such as a polyolefin. The laminate can be pigmented to eliminate the need to paint the surface of the plastic subst... | 02/26/2008 |
| 7273653 | Resin film and manufacturing method for the same, and resin laminated metal sheet using said resin film and manufacturing method for the same A resin film of a two-layer-construction comprising: (a) a resin layer R1 including a non-stretched resin film which contains a thermoplastic polyester resin containing 3 to 30 percent by weight in a weight fraction in the entire resin of a granular resin with a gra... | 09/25/2007 |
| 7264884 | Barrier stretch film particularly for the packaging of food products and method for the production thereof A stretch film presenting controlled permeability to gases, manufactured by process of balloon co-extrusion and consisting of outer layers (S2) of stretchable polmeric material and by one or two inner barrier layers (S3) of a EVOH based polymeric matri... | 09/04/2007 |
| 7179521 | Multilayer shrink film for high speed packaging lines A multilayer shrink film and methods of making same comprising high speed polyethylenic outer layers along with one or more cyclic-olefin copolymer (COC) containing inner layers. The multilayer shrink films of the invention are produced using film biaxial orienting ... | 02/20/2007 |
| 7153458 | Method of manufacturing a molded multilayer article Molten polymers are forced into T dies combined to form a multiple T die, the molten polymers are extruded through the T dies in monolayer. The monolayers extruded through the T dies are superposed and laminated outside the multiple T die while the polymers are in a... | 12/26/2006 |
| 7144542 | Label film with improved adhesion 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... | 12/05/2006 |
| 7132073 | Process for producing multilayered product The present invention is to provide a method of producing multilayer laminates comprising a polyamide and a fluorine-containing ethylenic polymer laminated together and being excellent in interlayer adhesion strength by multilayer coextrusion in an easy and simple m... | 11/07/2006 |
| 7125508 | Method of manufacturing a molded multilayer article Molten polymers are forced into T dies combined to form a multiple T die, the molten polymers are extruded through the T dies in monolayer. The monolayers extruded through the T dies are superposed and laminated outside the multiple T die while the polymers are in a... | 10/24/2006 |
| 7118790 | Process for producing coated polymeric articles and the articles produced thereby 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. ... | 10/10/2006 |
| 7063889 | Resin film and manufacturing method for the same, and resin laminated metal sheet using said resin film and manufacturing method for the same [Problem] The object is to provide a resin film for metal sheet laminate which endures severe forming owing to excellent formability and impact resistance, and also to excellent adhesion after forming and heating, further gives stable performance independent of form... | 06/20/2006 |
| 7041243 | 5-layer co-extruded biaxial-oriented polypropylene synthetic paper and its production process The invention discloses a 5-layer co-extruded biaxial-oriented polypropylene synthetic paper which is a 5-layer laminated structure with thickness between 30–300 μm comprising the uppermost layer (A) of paper sheet or resin, the second layer (B) of paper sheet or... | 05/09/2006 |
| 6982106 | Structures with multiple polymeric layers Multilayer polymer structures comprising a layer (A) based on at least one halohydrocarbon polymer linked to a layer (C) based on at least one olefin polymer via a layer (B) containing from 100% to 10% by weight of at least one grafted olefin polymer and from 0 to 9... | 01/03/2006 |
| 6964798 | Multi-layered polymer based thin film structure for medical grade products A multiple layer structure comprising a first and a second skin layer, each skin layer composed of a polypropylene containing polymer, and a radio frequency (“RF”) susceptible layer adhered to and between the first and second skin layers. The RF layer has a firs... | 11/15/2005 |
| 6958193 | Laminated polyolefin films and methods of production thereof by coextrusion A laminated polyolefin film with two or more layers is produced by coextrusion. An outer-layer forming material is prepared by with olefin resin containing specified kinds of non-ionic surfactant and salt of organic sulfonic acid in a specified amount and at a speci... | 10/25/2005 |
| 6951683 | Synthetic paper skins, paper and labels containing the same and methods of making the same This invention relates to polymer film useful as a skin layer for synthetic paper or label comprising (A) a filler (B) a carrier polymer and (C) a minor amount of an ink adhesion improving polymer. The film is printable by thermal transfer printing. The invention re... | 10/04/2005 |
| 6949296 | Polyimide substrates having enhanced flatness, isotropy and thermal dimensional stability, and methods and compositions relating thereto The substrates of the present invention comprise a polyimide base polymer derived at least in part from non-rigid rod monomers together with optionally rigid rod monomers where the substrates are cured under low tension. The resulting polyimide materials have been f... | 09/27/2005 |
| 6824864 | Multi-layer, white cavitated bioriented polyethylene film with a high water vapor transmission rate The present invention relates to bioriented polyethylene films having high water vapor transmission rates (WVTR) and methods for preparing the same. The film comprises a base layer and skin layers. The base layer comprises highly cavitated polyethylene, such as medi... | 11/30/2004 |
| 6793859 | Solvent inkjet ink receptive films In one aspect, the invention provides an image receptor medium which comprises an extruded image receptive layer that is receptive to solvent-based inkjet ink. Image receptive layers of the invention comprise a blend of an ink absorptive resin and a carrier resin. T... | 09/21/2004 |
| 6790405 | Polyolefin film with embossed surface An embossed, cast polyolefin film or an embossed, oriented polyolefin film includes: (a) a core layer including a propylene polymer; (b) an embossed outer layer on one side of the core layer, the embossed outer layer including an olefin polymer capable of being embo... | 09/14/2004 |
| 6780373 | Method of making an easy open tear film A film includes a core layer including a polyamide; two intermediate layers, disposed on opposite surfaces of the core layer, including an adhesive; and two outer layers, each disposed on a surface of the respective intermediate layer, comprising an ethylene/alpha o... | 08/24/2004 |
| 6773775 | Medical multilayer sealant films and methods for producing the same A multilayer sealant film for use in the medical field at least comprises as its innermost layer a first layer comprising at least one resin selected from the group consisting of linear low-density polyethylene, low-density polyethylene, polypropylene and polybutene... | 08/10/2004 |
| 6767618 | Multi-layered stretched resin film A multi-layered stretched resin film comprises a base layer (A) comprising more than 90 wt % of a polyolefinic resin and less than 10 wt % of an inorganic fine powder and/or an organic filler; and an amorphous resin-containing layer (B), comprising 0 to 85 wt % of a... | 07/27/2004 |
| 6740412 | Polymeric adhesive and structures with multiple polymeric layers, their process of preparation and their use Polymeric adhesive comprising a homogeneous mixture of at least three constituents: (a) at least one thermoplastic halogenated hydrocarbon polymer, (b) at least one copolymer of monoethylenic monomers which carry an alkyl carboxylate functional group and (c) at leas... | 05/25/2004 |
| 6713165 | Multilayer thermoplastic structure Multilayer structure based on thermoplastic polymers which is substantially devoid of vinyl chloride polymers and of plasticizers of low molecular mass and which comprises at least 3 layers: a first layer (A) comprising at least 60% by weight of at least one ... | 03/30/2004 |
| 6706413 | Non-porous, breathable membrane containing polyamide-4,6 The present invention is a non-porous, breathable membrane of at least polyamide-4,6, with an elongation at rupture of about 250 to about 500% in the longitudinal direction and about 200 to about 500% in the transverse direction. The membrane has a higher heat resis... | 03/16/2004 |
| 6676871 | Gas-permeable but liquid-impermeable polyolefin microporous films The invention concerns a method for producing a microporous film with strong isotropic tendency permeable to gases and impermeable to aqueous liquids, consisting of at least one layer, comprising the following successive steps: preparing a mixture consist... | 01/13/2004 |
| 6638636 | Breathable multilayer films with breakable skin layers A breathable multilayer film having a breathable core layer and at least one skin layer is disclosed. The core layer prepared by from a mixture containing a thermoplastic polymer and a particulate filler and the skin layer or layers are prepared from a mi... | 10/28/2003 |
| 6620278 | Drip tape manufacturing process A method of forming tubular irrigation drip tape includes the steps of a) extruding a web of material having a pair of longitudinally extending, substantially parallel marginal edges; b) heating a center area of the web between and substantially parallel to... | 09/16/2003 |
| 6602455 | Highly bi-axially oriented, heat-shrinkable, thermoplastic, multi-layer film and process for the manufacture thereof A bi-axially oriented, heat-shrinkable multi-layer film comprising a core layer (A) comprising an ethylene-vinyl alcohol copolymer (EVOH), a first outer layer (B) comprising an ethylene homo- or co-polymer and a second outer layer (C), which may be equal ... | 08/05/2003 |
| 6599453 | Biaxially oriented polypropylene for printing of water-based inks and heat-sealing/non-heat-sealing electroplating treatment and process thereof A process for fabricating biaxially oriented polypropylene to modify the properties of polypropylene through treatment of flame is disclosed. The surface tension and the planarity of the polypropylene films is improved after adjusting the composition of t... | 07/29/2003 |
| 6585920 | Method of making embossed oriented polymer films Embossed oriented thermoplastic films and a method of making same are described. The embossed oriented thermoplastic films have substantially the same mechanical properties as unembossed oriented thermoplastic films. The method includes providing an orien... | 07/01/2003 |
| 6572295 | Method for making a writing or coloring pencil by triple extrusion and writing or coloring pencil comprising an intermediate protective layer The method of continuously manufacturing pencils or crayons consists in coextruding a filled first thermoplastic material referred to as "lead" material, and around it both an intermediate "protective" layer of a thermoplastic material having no expanding... | 06/03/2003 |
| 6562443 | Cook-in package with tight appearance A heat shrinkable film suitable for use in cook-in applications is provided which exhibits a transverse direction free shrink at 50° C. of less than about 2% and a transverse direction free shrink at 57° C. of at least about 3%. The food contact layer i... | 05/13/2003 |
