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Match Document Document Title
7632439 Poly(ethylene chlorotrifluoroethylene) membranes  
Porous polymeric membranes including HALAR® (poly(ethylene chlorotrifluoroethylene)) and related compounds and the methods of production thereof which avoid the use of toxic solvents. Preferred...
7514141 Polyester film with low mechanical strength  
The invention relates to a biaxially oriented polyester film having a base layer (B) which comprises at least 80% by weight of a polyester comprised of from 55 to 90 mol % of units deriving from at...
7479322 Radiation-curable composite layered sheet or film  
A radiation-curable composite layered sheet or film comprising at least one substrate layer and one outer layer, said outer layer being composed of a radiation-curable composition having a glass...
7128861 Method for producing hollow yarn film  
In a method for producing hollow fiber membranes which comprises melt kneading a mixture comprising polyvinylidene fluoride and an organic liquid or a mixture comprising polyvinylidene fluoride, an...
6998084 Co-extruded pigmented/clear coated polymeric coating for an article such as automotive exterior body panels  
A colored coating for an article is provided including a first layer polymeric coating material with a transparent base which has been pigmented to a desired color and extruded, a second layer of...
6814913 Polyester tray package with lidding film having glycol-modified copolyester sealant layer  
A tray-type package is disclosed which includes a polyester support member, a product contained on the support member, and a lidding film containing the product and sealed to the periphery of the...
6632383 Method for producing improved polymeric films  
A method for producing an improved coextruded polymeric film is disclosed. First, a base layer containing a polymeric matrix and at least one additional layer on at least one side of the base layer...
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...
6409952 Drying and processing cellulosic compounds  
The present invention is a system and process for drying and extruding a cellulosic compound. The compound materials are provided to a mixer in a desired ratio. The compound materials are then...
6207091 Process for producing the drawn molded article of a fluoroplastic  
A process for producing a fluoroplastic drawn molded article is disclosed in which a fluoroplastic molded article is brought into contact with a heating medium set at a temperature exceeding the...
6203750 Method for making a heat-shrinkable film containing a layer of crystalline polyamides  
A process of making a biaxially-oriented multilayer film, comprises extruding a tubular multilayer tape and inflating the tape so that the tape is biaxially oriented by stretching in the transverse...
5945221 Biaxial orientation of fluoropolymer films  
The present invention provides biaxially oriented multilayer fluoropolymer films. They are produced by coextruding or laminating films having at least one layer of a fluoropolymer, at least one...
5788902 Extrusion of degradable plastic material in tubular form  
A method of extruding degradable plastic material in tubular form includes providing an annular extrusion die having an annular extrusion orifice and a longitudinal extending annular passage for...
5705111 Methods for making multiple layer sheet materials  
Methods related to coextrusion of heat-sensitive polymer materials. The sensitive melt stream element (12) is encapsulated in a second polymeric melt stream element (16). Transport means (36) is...
5512225 Method of increasing interlayer adhesion of multi-layer compositions having a fluoroplastic layer  
A method for increasing the adhesion of a first layer comprising fluoroplastic to a second layer containing a peroxide-curable hydrocarbon elastomer is disclosed. The method involves adding a...
5378414 Method of forming packaging compositions  
A process to produce a packaging film through the addition, in a unique continuous in-line application, of interactive/barrier material with a sealant layer disposed thereover during the packaging...
5356583 Method of making a modified burn characteristic saranex film  
A coextruded film with both gas barrier and fire retardant properties as well as good physical properties is made up by melt coextrusion to form a four or five layer film product useful in making...
5236649 Extrudable thermoplastic particulates  
The present invention is a coated particulate in the form of a powder or in the form of a pellet, the particulate comprising a vinylidene chloride interpolymer and being coated with at least one...
5236642 Multiple layer sheet materials, and packages, and methods and apparatus for making  
Method, apparatus, and films, related to coextrusion of heat-sensitive polymer materials. The sensitive melt stream element (12) is encapsulated in a second polymeric melt stream element (16)....
5190711 Methods for processing polymers  
Method and apparatus for fabricating multiple layer sheet materials while minimizing the time during which a sensitive polymeric melt stream is in contact with metal. The method comprises...
5147594 Extruding vinylidene chloride copolymer flexible packaging film  
This invention relates to extruding films made from vinylidene chloride copolymers. Specifically, this invention relates to a method for lowering the oxygen permeability and enhancing the thermal...
5143677 Co-extrusions methods  
Apparatus and method for fabricating films and packages, especially films and packages containing a layer of vinylidene chloride copolymer. The preferred apparatus includes a coextrusion feedblock...
5108844 Blended films, structures therefrom, and methods of making and using them  
Blends having improved adhesion to each other when coextruded into multilayer films, such films, film-packages such as pouches from such films, and methods for making and using the films and...
5106562 Extrusion methods and apparatus  
Methods and apparatus for reducing the impact of a higher temperature polymeric melt stream element on a lower temperature polymeric melt stream element, and vice versa. The methods include:...
5089308 Coextruded film and methods comprising vinylidene chloride methyl acrylate copolymer  
Vinylidene chloride methyl acrylate copolymer coextruded with second and third different polymeric compositions in fabrication of multiple layer films. The third layer is between the first and...
5080961 Coextruded structures  
The present invention is directed to a multilayered coextruded thermoplastic structure useful as a packaging material having a barrier layer of polyvinylidene chloride, a polycarbonate layer and an...
5066434 Method of forming a multilayer heat sealable film  
A method for producing a heat sealable structure includes coextruding a substrate layer including a white opaque, cavitated polyolefin film with a second layer which includes a heat sealable...
5045259 Extrusion of vinylidene chloride copolymers under inert atmosphere  
The present invention is a process for forming an extruded article containing a copolymer of vinylidene chloride and at least one other ethylenically-unsaturated comonomer, said process comprising...
5035851 Method of making very high barrier film  
A method of producing an oxygen barrier film, and the resulting film, includes the coextrusion of a multi-layer extrudate having an outside ethylene vinyl alcohol copolymer layer which has been...
5019439 Thermoplastic resin film matrix with continuous tapes  
A composite, thermoplastic resin film comprises a matrix in the form of a film and formed of a first thermoplastic resin, and a plurality of substantially continuous tapes dispersed within the...
4988465 Manufacture of multilayer film containing very low density polyethylene  
A coextruded, heat shrinkable, thermoplastic multilayer film for packaging fresh red meat cuts and processed meats. The film is produced by coextruding a multilayer structure which includes a first...
4894107 Process for making multiple layer polymeric films  
Novel films, and processes for making them, are provided. The films are characterized by the inclusion of a layer of vinylidene chloride copolymer between at least two other layers which contain...
4876052 Method of extruding and compression molding a multilayered article  
A multilayer compression-molded article produced by compression-molding a composite plastic material. The composite plastic material comprises a first synthetic resin and a second synthetic resin...
4865780 Process for producing irradiated multilayer film for primal meat packaging  
A heat-shrinkable, multilayer film suitable for use in fabricating bags for packaging primal and sub-primal meat cuts and processed meats. The multilayer film has a first outer layer of a first...
4853265 Eva based multi-layer, heat-shrinkable, packaging film and bags made therefrom  
Disclosed is a heat-shrinkable, oriented, multi-layer packaging film. The film has at least two layers comprising EVA. One of the EVA layers is of EVA having a melt index different from the melt...
4842791 Extrusion apparatus and process for production of multilayer film containing an inner barrier layer  
A process and apparatus are disclosed for reducing the carbonization of a thermally degradable barrier material during the extrusion of a multilayer laminate. A core extrudate of barrier material...
4824618 Coextrusion blowmolding process  
A process for coextrusion blowmolding of multilayer polymer articles, wherein a multilayer parison is extruded through a die, introduced into a mold, and blowmolded, the flow of multilayer plastic...
4804510 Filtering system for use in coextrusion apparatus and method of use  
A filtering system for use in coextrusion apparatus, and particularly for removing carbon particles from a core extrudate of thermally degradable barrier material which has been preencapsulated...
4798751 Heat shrinkable multilayer film for primal meat packaging  
A heat-shrinkable, multilayer film suitable for use in fabricating bags for packaging primal and sub-primal meat cuts and processed meats. The multilayer film contains a barrier layer comprising a...
4789513 Coextrusion apparatus and process  
The present invention provides a novel coextrusion apparatus including, in a preferred embodiment, a die within a feedblock. The apparatus includes edge seam-forming channels, which provide a core...
4780265 Films blown by the inflated bubble method of alloys of vinylidene chloride interpolymers and olefin polymers  
Blends of a vinylidene chloride polymer, an olefin polymer, and a compatibilizer polymer are successfully fabricated into films using the well-known inflated bubble technique, by using blow-up...
4708618 Extruder die for extrusion of a thermoplastic laminate  
An extruder die for extrusion of a multilayer thermoplastic laminate, particularly in the form of a foil or plate, comprises a multicomponent block symmetric with respect to a central plane...
4699846 Heat-resistant and oil-resistant laminate film and process for preparing the same  
Disclosed herein are a heat-resistant and oil-resistant laminate film comprising gas-barrier resin layer(s), thermoplastic resin layer(s) different from a gas-barrier resin and adhesive layer(s)...
4684573 High oxygen barrier composite film  
High oxygen barrier characteristics over a wide range of humidity conditions are obtained by providing a combination of ethylene vinyl alcohol copolymer and vinylidene chloride copolymer in...
4643927 Tubular, multi-layer film and method of making  
A tubular film and method for making the film by extrusion provide a multi-layer film having a central layer of barrier material which overlaps itself by a substantial distance along a weld line....
4627138 Method of making piezoelectric/pyroelectric elements  
Multilayer coextruded piezoelectric/pyroelectric elements and method for manufacturing these elements are disclosed. The layer configuration of the element permits easy application of conductive...
4611987 Apparatus for forming multilayer thermoplastic resin extrusions  
An injector device for use in forming multilayer extrusions of plastic resins and a method for forming such extrusions. The apparatus includes an injector member that divides the extrudate from the...
4600550 Coextrusion process for overcoming the curtaining effect  
A process for minimizing or eliminating the curtaining effect in the melt-lamination of thermoplastic materials is provided. The process includes subjecting a molten thermoplastic stream to an...
4600616 Heat-shrinkable laminate film  
Disclosed herein is a heat-shrinkable laminate film comprising outer layers of a polyolefin, a gas-barrier layer of a copolymer of vinylidene chloride, at least one intermediate layer of an ionomer...
4541983 Preparing heat resistant heat shrinkable films  
A three layer heat shrinkable film is disclosed, along with preferred process for making it. The film comprises a first heat sealable layer of an ionomer, a second layer of a vinylidene chloride...
Matches 1 - 50 out of 72 1 2 >