FLUOROPOLYMER FILMS AND METHODS FOR MAKING THE SAME

Embodiments of films and methods for making the films are provided. The film comprises a fluoropolymer layer having a surface and comprising a melt processable fluoropolymer and a functionalized polymer dispersed throughout the fluoropolymer layer. A portion of the functionalized polymer is disposed at the surface of the fluoropolymer layer for bonding to a second layer. 1. A film comprising:a fluoropolymer layer having a surface and comprising a melt processable fluoropolymer and a functionalized polymer dispersed throughout the fluoropolymer layer, wherein a portion of the functionalized polymer is disposed at the surface of the fluoropolymer layer for bonding to a second layer, and wherein the melt processable fluoropolymer is present in an amount of from about 80 to about 99.5 wt. % of the fluoropolymer layer.2. The film according to claim 1 , wherein the functionalized polymer is present in an amount of from about 0.5 to about 20 wt. % of the fluoropolymer layer.3. The film according to claim 1 , wherein the melt processable fluoropolymer is present in an amount of from about 90 to about 99 wt. % of the fluoropolymer layer.4. The film according to claim 1 , wherein the melt processable fluoropolymer is selected from the group consisting of polychlorotrifluoroethylene claim 1 , ethylene-chlorotrifluoroethylene copolymer claim 1 , polyvinylidene fluoride claim 1 , tetrafluoroethylene-perfluoro (alkyl vinyl ether) copolymer claim 1 , tetrafluoroethylene-hexafluoropropylene copolymer claim 1 , tetrafluoroethylene-ethylene copolymer claim 1 , and mixtures thereof.5. The film according to claim 1 , wherein the functionalized polymer is selected from the group consisting of gycidyl methacrylate polymers including copolymers of ethylene-gycidyl methacrylate and terpolymers of ethylene-acrylic ester-gycidyl methacrylate claim 1 , terpolymers of ethylene-acrylic ester-maleic anhydride including terpolymers of ethylene-ethyl acrylate-maleic anhydride claim 1 , alkyl ester ...

FILM LAYERS AND METHODS FOR FORMING THE SAME

A film layer and a method of forming a film layer are provided herein. The film layer includes a first polymer and a second polymer. The first polymer includes the reaction product of chlorotrifluoroethene and vinylidene fluoride utilized in the first polymer in an amount of at least 4 wt. %. The second polymer includes the reaction product of chlorotrifluoroethene and optionally, vinylidene fluoride utilized in the second polymer in an amount of less than 4 wt. %. A multilayer film and a method of forming a multilayer film are also provided herein. In an embodiment, a multilayer film includes a first film layer and a second film layer adjacent and sealed to the first film layer. At least one of the first film layer or the second film layer includes the first polymer and the second polymer. 1. A film layer , comprising: chlorotrifluoroethene, and', 'vinylidene fluoride utilized in said first polymer in an amount of at least 4 wt. % based on a total weight of all reactants utilized to form said first polymer; and, 'a first polymer comprising the reaction product of;'} chlorotrifluoroethene, and', 'optionally, vinylidene fluoride utilized in said second polymer in an amount of less than 4 wt. % based on a total weight of all reactants utilized to form said second polymer., 'a second polymer comprising the reaction product of;'}2. The film layer of claim 1 , wherein said first polymer and said second polymer are homogeneously distributed in said film layer.3. The film layer of claim 1 , wherein said second polymer is further defined as a homopolymer formed from chlorotrifluoroethene.4. The film layer of claim 1 , wherein said second polymer is further defined as a copolymer comprising the reaction product of:chlorotrifluoroethene; andvinylidene fluoride utilized in said second polymer in an amount of less than 4 wt. % based on a total weight of all reactants utilized to form said second polymer.5. A multilayer film claim 1 , comprising: [ chlorotrifluoroethene, and', ' ...

FLEXIBLE SUBSTRATES WITH CHEMICAL AND MOISTURE RESISTANCE

Flexible packages, transdermal drug delivery devices, and methods for fabricating packages are provided. An exemplary flexible package includes a chemical and moisture resistant layer formed from poly(chlorotrifluoroethylene-co-vinylidene fluoride) (“P(CTFE-co-VDF)”) copolymer. Further, the exemplary flexible package includes a substance to be delivered. The substance is applied to or enclosed by the chemical and moisture resistant layer. 1. A flexible package comprising:a chemical and moisture resistant layer formed from poly(chlorotrifluoroethylene-co-vinylidene fluoride) (“P(CTFE-co-VDF)”) copolymer; anda substance to be delivered, wherein the substance is applied to or enclosed by the chemical and moisture resistant layer.2. The flexible package of wherein the chemical and moisture resistant layer consists of P(CTFE-co-VDF) copolymer.3. The flexible package of wherein the chemical and moisture resistant layer comprises a co-extrusion of P(CTFE-co-VDF) copolymer and an acrylonitrile copolymer claim 1 , cyclic olefin copolymer (COC) claim 1 , polyethylene terephthalate (PET) claim 1 , foil claim 1 , and/or biaxially oriented polyamide (BOPA).4. The flexible package of wherein the chemical and moisture resistant layer comprises a laminate structure including a layer of P(CTFE-co-VDF) copolymer and a layer of an acrylonitrile copolymer claim 1 , cyclic olefin copolymer (COC) claim 1 , polyethylene terephthalate (PET) claim 1 , foil claim 1 , and/or biaxially oriented polyamide (BOPA).5. The flexible package of wherein the P(CTFE-co-VDF) copolymer comprises about 4 to about 5 wt. % vinylidene fluoride (“VDF”) claim 1 , based on the total weight of the copolymer.6. The flexible package of wherein the P(CTFE-co-VDF) copolymer comprises about 2 to about 3 wt. % vinylidene fluoride (“VDF”) claim 1 , based on the total weight of the copolymer.7. The flexible package of wherein the substance is dispersed in a matrix claim 1 , and wherein the matrix is applied directly to ...

High barrier packaging film with controlled extractables

Coextruded or laminated multilayer films are provided having at least one layer of a fluoropolymer homopolymer or copolymer, a layer of a high-pressure, low-density polyethylene and an intermediate adhesive tie layer. Such barrier films substantially reduce the leaching of contaminants barrier film into a packaged product, or are completely leach resistant.

Three-layer Polyamide Film Structure

Polyamide compositions having nitrile rubber and copolymer of ethylene and alpha-olefin therein

The present invention is directed to a polyamide composition comprising from about 50 to 90% by weight of a polyamide, from about 10 to 40% by weight of a nitrile rubber, and from about 5 to 50% by weight of a reactive rubber which contains groups which are reactive with the end groups of the polyamide. The composition preferably contains about 2 to 20% by weight of a plasticizer for nylon, and can optionally contain from about 0 to 10% by weight of a polyamide chain extender. The present invention also includes gas permeation resistant articles including articles resistant to chlorofluorohydrocarbon permeation. Articles of particular interest include extruded hose and tubing which contain at least one layer made of the above described composition. It has been discovered that the composition of the invention resists chlorofluorohydrocarbon permeation and at the same time can provide the flexibility needed for use in various hose and tubing applications.

Heat stable film composition comprising polyepsiloncaprolactam

The present invention provides a heat stable film composition comprising polyepsiloncaprolactam and poly(epsiloncaprol-actam-hexamethylene adipamide) copolymer which finds particular use in applications wherein the film is subjected to heat for a prolonged period of time, such as in an oven or an autoclave.

Method of making oriented polychlorotrifluoroethylene films

A process for the manufacture of oriented polychlorotrifluoroethylene (PCTFE) films, wherein molten PCTFE resin is extruded into a crystalline film and the films are oriented with a stretch ratio of at least about 1.5: 1. The resulting films have excellent water vapor barrier properties while retaining their other advantageous properties.

Film layers and methods for forming the same

A film layer and a method of forming a film layer are provided herein. The film layer includes a first polymer and a second polymer. The first polymer includes the reaction product of chlorotrifluoroethene and vinylidene fluoride utilized in the first polymer in an amount of at least 4 wt. %. The second polymer includes the reaction product of chlorotrifluoroethene and optionally, vinylidene fluoride utilized in the second polymer in an amount of less than 4 wt. %. A multilayer film and a method of forming a multilayer film are also provided herein. In an embodiment, a multilayer film includes a first film layer and a second film layer adjacent and sealed to the first film layer. At least one of the first film layer or the second film layer includes the first polymer and the second polymer.

High barrier packaging film with controlled extractables

Coextruded or laminated multilayer films are provided having at least one layer of a fluoropolymer homopolymer or copolymer, a layer of a high-pressure, low-density poyethylene and an intermediate adhesive tie layer. Such barrier films substantially reduce the leaching of contaminants into a packaged product, or are completely leach resistant.

Heat stable film composition comprising polyepsiloncaprolactam

The present invention provides a heat stable film composition comprising polyepsiloncaprolactam and poly(epsiloncaprol-actam-hexamethylene adipamide) copolymer which finds particular use in applications wherein the film is subjected to heat for a prolonged period of time, such as in an oven or an autoclave.

Films produced by bubble formation of compositions of polyamide and functionalized polyolefin

The present invention provides a film produced by forming a bubble from a composition comprising: (a) up to about 99.9 weight percent based on the total weight of the composition of a polyamide, and (b) at least about 0.1 weight percent based on the total weight of the composition of a polyolefin having functional groups which are reactive with the functional groups of the polyamide wherein the functional groups of the polyolefin are present in an amount sufficient to maintain the strength of the bubble. The film is particularly useful as a carrier film in the production of sandwich composites of sheet molding compound and thick molding compound.

Film layers and film formation methods

Una película multicapa, que comprende: una primera capa de película y una segunda capa de película sellada a dicha primera capa de película, comprendiendo al menos una de dicha primera capa de película o dicha segunda capa de película; un primer polímero que comprende el producto de reacción de, clorotrifluoroeteno y fluoruro de vinilideno utilizado en dicho primer polímero en una cantidad de al menos 4% en peso basado en el peso total de todos los reactivos utilizados para formar dicho primer polímero, y un segundo polímero que comprende el producto de reacción de, clorotrifluoroeteno y opcionalmente, el fluoruro de vinilideno utilizado en dicho segundo polímero en una cantidad inferior al 4% en peso basado en el peso total de todos los reactivos utilizados para formar dicho segundo polímero.

Multilayer polyamide film structures

Coextruded films having a one inner core layer of polyamide homopolymer or copolymer, and an outer layer on each side of the polyamide core of a blend of a polyolefin homopolymer or copolymer and an adhesive composition which comprises a polyolefin having at least one functional moiety of an unsaturated carboxylic acid and/or anhydride thereof. The coextruded films are typically prepared by a blown film technique. Such structures are suitable for use as release and barrier films for sheet molding and other reinforced plastic applications.

Method of making oriented polychlorotrifluoethylene films

A process for the manufacture of oriented polychlorotrifluoroethylene (PCTFE) films, wherein molten PCTFE resin is extruded into a crystalline film and the films are oriented with a stretch ratio of at least about 1.5:1. The resulting films have excellent water vapor barrier properties while retaining their other advantageous properties.

Multilayer polyamide film structures

Coextruded films having an one inner core layer of a polyamide homopolymer or copolymer, and an outer layer on each side of the polyamide core of a blend of a polyolefin homopolymer or copolymer and an adhesive composition which comprises a polyolefin having at least one functional moiety of an unsaturated carboxylic acid and/or anhydride thereof. The coextruded films are typically prepared by a blown film technique. Such structures are suitable for use as release and barrier films for sheet molding and other reinforced plastic applications.

buffer for a container, packaging, and process for producing a packaged product

TAMPãO PARA UM RECIPIENTE, EMBALAGEM, E PROCESSO PARA PRODUçãO DE UM PRODUTO EMBALADO Trata-se de filmes de tamponamento contendo fluoropolímero para embalagens de alimentos, produtos não alimentícios e produtos para uso em medicina, incluindo uma embalagem vedada de duas peças possuindo partes de recipiente e de tampâo que são prontamente separáveis uma da outra. Podem ser formados filmes finos transparentes possuindo excelentes propriedades de barreira adequados para aplicações de embalagem, particularmente pa.r a embalagens de tipo de bolhas de abertura por pressão "'blister". CAP FOR A CONTAINER, PACKAGING, AND PROCESS FOR THE PRODUCTION OF A PACKAGED PRODUCT These are buffer films containing fluoropolymer for food packaging, non-food products and products for use in medicine, including a two-piece sealed package containing container parts. and buffer that are readily separable from each other. Thin transparent films can be formed having excellent barrier properties suitable for packaging applications, particularly for blister-type blister packs.

THREE-LAYED POLYAMIDE FILM STRUCTURE.

PELICULAS COEXTRUDIDAS CON UNA CAPA NUCLEO EN HOMOPOLIMERO O COPOLIMERO DE POLIMIDA Y UNA CAPA EXTERNA EN CADA LADO DEL NUCLEO DE POLIAMIDA DE UNA MEZCLA DE HOMOPOLIMERO O COPOLIMERO DE POLIOLEFINA Y UNA COMPOSICION ADHESIVA QUE CONSTA DE POLIOLEFINA CON AL MENOS UNA MITAD FUNCIONAL DE UN ACIDO CARBOXILICO INSATURADO Y/O ANHIDRIDO DEL MISMO. LAS PELICULAS COEXTRUDIDAS ESTAN PREPARADAS MEDIANTE UNA TECNICA POR SOPLADO. ESTAS ESTRUCTURAS SON ADECUADAS PARA SU UTILIZACION COMO PELICULAS LIBERABLES O PELICULAS BARRERA PARA EL MOLDEO DE LAMINAS Y OTRAS APLICACIONES DE PLASTICOS REFORZADOS.

Heat stable film composition comprising polyepsiloncaprolactam

The present invention provides a heat stable film composition comprising polyepsiloncaprolactam and poly(epsiloncaprolactam-hexamethylene adipamide) copolymer which finds particular use in applications wherein the film is subjected to heat for a prolonged period of time, such as in an oven or an autoclave.

Mirror array light valve

A mirror array light valve is described comprising a transparent substrate, a plurality of post members arranged in a regular array on said substrate, and a plurality of deflectable square, rectangular, hexagonal or the like light-reflecting elements arranged in a regular array on said post members such that a post member is positioned under a corresponding corner of each element; methods for making the mirror array light valve are also described.

Fluoropolymer films and methods for making the same

Embodiments of films and methods for making the films are provided. The film comprises a fluoropolymer layer having a surface and comprising a melt processable fluoropolymer and a functionalized polymer dispersed throughout the fluoropolymer layer. A portion of the functionalized polymer is disposed at the surface of the fluoropolymer layer for bonding to a second layer.

Films produced by bubble formation of compositions of polyamide and functionalized polyolefin

The present invention provides a film produced by forming a bubble from a composition comprising: (a) up to about 99.9 weight percent based on the total weight of the composition of a polyamide; and (b) at least about 0.1 weight percent based on the total weight of the composition of a polyolefin having functional groups which are reactive with the functional groups of the polyamide wherein the functional groups of the polyolefin are present in an amount sufficient to maintain the strength of the bubble. The film is particularly useful as a carrier film in the production of sandwich composites of sheet molding compound and thick molding compound.

Nitrilkautschuk und ethylen-alpha-olefin- copolymer enthaltende polyamidzusammensetzungen.

Filme multicamada

Uma camada de filme e um método para a formação de uma camada de filme são aqui fornecidos. A camada de filme inclui um primeiro polímero e um segundo polímero. O primeiro polímero inclui o produto de reação de cloro trifluoroeteno e fluoreto de vinilideno utilizado no primeiro polímero em uma quantidade de ao menos 4% em peso. O segundo polímero inclui o produto de reação de cloro trifluoroeteno e, opcionalmente, fluoreto de vinilideno utilizado no segundo polímero em uma quantidade menor que 4% em peso. Um filme multicamada e um método de formação de um filme multicamada são, também. aqui fornecidos. Em uma modalidade, um filme multicamada inclui uma primeira camada de filme e uma segunda camada de filme adjacente à primeira camada de filme e vedada na mesma. Ao menos uma dentre a primeira camada de filme ou a segunda camada de filme inclui o primeiro polímero e o segundo polímero.

Flexible substrates with chemical and moisture resistance

Flexible packages, transdermal drug delivery devices, and methods for fabricating packages are provided. An exemplary flexible package includes a chemical and moisture resistant layer formed from poly (chlorotrifluoroethylene-co-vinylidene fluoride) ("P(CTFE-co-VDF)") copolymer. Further, the exemplary flexible package includes a substance to be delivered. The substance is applied to or enclosed by the chemical and moisture resistant layer.

Use of nylon films in home dry cleaning bags

An improved process for cleaning fabrics in a conventional automatic clothes dryer wherein a plastic bag is formed from a blend of at least one nylon homopolymer and at least one nylon copolymer. Preferably the nylon homopolymer is nylon 6 and the nylon copolymer is nylon 6/66 copolymer. The process includes placing soiled fabrics in the plastic bag, placing the plastic bag into the drum of the dryer, and rotating the dryer with the introduction of hot air. This invention also relates to bags formed from such blends which are used in home dry cleaning processes.

Mit mindestens einem Tantal-Film beschichteter Träger aus isolierendem Material und Verwendung desselben

Tantal-Film auf fester Unterlage

Beta tantalum resistors

Beta tantalum resistors

Beta tantalum resistors