Abstract: The present invention relates to a preformed liner of tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer adhered to the surface of a pipe, and in particular, an oil well pipe, without the need for either a primer layer or an adhesive. The liner comprises an effective amount of metal powder which provides adhesion between the liner and the surface of the pipe. The present invention also relates to a process for making such pipe, where in a preferred embodiment, the liner is co-extruded to form an inner layer and an outer layer. This co-extrusion embodiment is particularly useful in applications where high purity is necessary. In this case, the inner layer comprises an effective amount of metal powder and the outer layer is pure tetrafluoroethylene/perfluoro (alkyl vinyl ether) copolymer.

Abstract: A peelable lidstock for use with a child resistant pharmaceutical blister is disclosed. The lidstock includes a first layer of white polyester, a second layer of adhesive, a third layer of foil, and a fourth layer of heat seal. The lidstock is strong and provides excellent child resistance and a broad sealing window which facilitates manufacture.

Abstract: Disclosed is a multilayer structure useful for preparing highly abrasion-resistant protective liners, including tubular articles such as multilayer tubes or pipes.

Abstract: A process that is faster than conventional processes for manufacturing a film tube from a polymer and/or metal film material includes moving the film tube in relation to the joining tools during the joining process. Before the joining process of the film tube, the metal film material exists in the form of at least one film web. The edges of this film web are joined to one another in a joining process forming at least one longitudinal joint seam. During the joining process the film tube is moved in relation to the joining tools.

Abstract: The object of the invention is a liquid packaging board (1), wherein the base board (3) is provided with at least one polymeric coating layer on both sides thereof to decrease the flavor scalping from a packaged liquid, such as citrus fruit juice. Inside the baseboard, there is a layer (6) of ethylene methyl acrylate copolymer either in a direct contact with the packaged liquid or coated with a thin layer of polyolefin. The invention also relates to a closed package for liquid food that is formed from the liquid packaging board (1) by folding and seaming, wherein the side that comes in contact with the food product, correspondingly, comprises an EMA layer and, possibly, a thin polyolefin layer on top of the same. The invention further comprises the use of EMA in decreasing the flavor scalping from the packaged liquid by the packaging material.

Abstract: A four-layer film for packaging, including blister packaging, is described. Layer 1 may be a rigid film, such as a polyvinyl chloride (PVC) or polyester. Layer 2 may be a moisture barrier, such as polychlorotrifluoroethylene (PCTFE). Layer 3 may be an oxygen barrier, such as a co-extruded film having a polyethylene (PE) layer, an EVOH layer, and a second PE layer. Layer 4 may be a relatively thin layer of a rigid film, such as a PVC or polyester. In this arrangement, Layer 2 may protect the contents of the package from external or atmospheric moisture. Layer 2 may also protect Layer 3 from atmospheric moisture, thereby helping to preserve the effectiveness of Layer 3 as an oxygen barrier.

Abstract: A fuel tank capable of strongly fusion-bonding a built-in part to an inner surface of an outer wall thereof while protecting the outer wall even when an impact, etc. are applied thereto. In the fuel tank for a motor vehicle, which is formed by blow molding, in which the built-in part is mounted, and which has the outer wall composed of a synthetic resin, a plurality of mounting members adapted to mount the built-in part to the fuel tank are provided on the built-in part so as to be fusion-bonded to the inner surface of the outer wall of the fuel tank. An abutment portion is formed on each of the mounting members for contacting the inner surface of the outer wall of the fuel tank, and an abutment surface and a plurality of abutment pins, each projecting from the abutment surface, are formed in the abutment portion.

Abstract: The present invention describes vacuum skin packages comprising a thermoplastic film and a polyester substrate wherein the thermoplastic film includes at least a first polymer layer having a first surface and an opposing second surface and comprises an ethylene/unsaturated ester copolymer, wherein the first surface has been surface treated in a manner to exhibit a surface tension of between 36-60 dynes/cm. The thermoplastic film is adapted to form a peelable seal between the first surface of the first polymer layer of the thermoplastic film and the polyester substrate by a pressure of less than 1×105 Pa applied therebetween, wherein the peelable seal has a seal strength of between 0.5-6 lb./in. (0.09-1.08 kg/cm).

Abstract: Embodiments of the invention relate to a cover, a method of covering, and a cover system to be used with shipments of products transported by air with ULDs. The cover system provides thermal protection to temperature-sensitive products in or on the ULD. The cover system maintains the proper relative humidity level and gas concentrations (oxygen, carbon dioxide and ethylene) for horticultural product loads. The cover system can also have antimicrobial properties. In addition, the cover system decreases the amount of water vapor released in the cargo holds which is known to affect the reliability of the aircraft smoke detection system and to cause false fire alarms.

Abstract: The present invention proposes a smokable planar or hose-type food casing or food casing film for food packagings, such as, e.g., sausage casings, shrink bags or the like on polymer basis, which is for the first time manufactured in the jet-blasting process from a homogeneous molten plastic material consisting of a plastic mixture consisting of at least of PA (polyamide) with PVAL (polyvinyl alcohol) and PEBAX (polyether block amide). The food casing or food casing film has a water vapor permeability that is at least 1 kg/m2 within 24 h. Its oxygen permeability at a film thickness of 30 ?m is less than 2.1 cm3/m2 within 24 h. Moreover the present invention for the first time proposes a method for manufacturing it.

Abstract: An extruded blow molded bottle comprises a neck portion and a body portion. The body portion comprises a first inner layer and a second layer. The first inner layer comprises a first material selected from a group consisting of polyester, phenoxy type thermoplastics, phenoxy-polyolefin thermoplastic blends, and combinations thereof. The second layer comprises a second material selected from a group consisting of virgin PET, recycled PET, PETG, foam, polypropylene, polyester, polyolefins, phenoxy type thermoplastic, phenoxy-polyolefin thermoplastic blends, regrind scrap materials, and combinations thereof. The second material is different from the first material.

Abstract: Fuel cartridges for fuel cells are disclosed. One fuel cartridge has an outer casing, an inner liner containing fuel, and a valve component adapted to transport fuel from the fuel supply to a fuel cell. The outer casing and the inner liner are made by blow molding and as the fuel is transported from the fuel supply, the inner liner pulls away from the outer casing. Another fuel cartridge includes an outer casing, an inner liner containing fuel, and a valve component adapted to transport fuel from the fuel supply to a fuel cell. The inner liner is integral to the outer casing at a region proximate to the location of the valve component. The inner liner and/or the outer casing can be fluorinated, coated with a barrier material or wrapped with a barrier film to reduce vapor permeation.

Abstract: A transparent article includes a continuous polyester matrix having at least one incompatible filler dispersed therein. The incompatible filler provides domains in the polyester matrix, each domain having a particular dimension, thus providing a range of dimensions for the domains in the article. To create haze, the dimensions are within the range of from about 380 nm to about 720 nm. Once the range of dimensions is determined, a light absorbent composition can be found which absorbs light at a range of wavelengths that at least substantially covers the range of dimensions of the domains. In doing so, it has been found that the haze of the article can be substantially masked. Method for producing the article and for masking the haze are also provided.

Abstract: The preform of the biaxially drawn, blow-molded bottle comprises polyethylene terephthalate layers 2 and at least a gas barrier layer 3 laminated with the polyethylene terephthalate layers. The gas barrier layer 3 extends downward from a level halfway to the height of the neck 4 including the neck ring 5, or at least from above the neck ring 5, down virtually to the lower end of body 6. The gas barrier layer 3 inside the wall of the neck 4 has an average thickness corresponding to a third (?) or less of the maximum thickness of the gas barrier layer 3 inside the wall of the body 6, allowing most of the gas barrier material to be located in the wall of the body 6. Thus, the gas barrier material is effectively utilized, and in the case of the heat-resistant bottle, the neck has the predetermined dimensions without fail after the whitening treatment.

Abstract: An inflatable device, in particular a device including a body having an outer surface and an inner surface, the inner surface accessible through an orifice in the body, the body including a prolamine protein that exhibits air or gas impermeability for a suitable period of time, and yet is biodegradable upon exposure to the environment. The device can be utilized as a balloon for personal uses such as toys, gifts or balloon releases at events, or as a medical device.

Abstract: Methods for processing a vessel, for example to provide a gas barrier or lubricity, are disclosed. First and second PECVD or other vessel processing stations or devices and a vessel holder comprising a vessel port are provided. An opening of the vessel can be seated on the vessel port. The interior surface of the seated vessel can be processed via the vessel port by the first and second processing stations or devices. Vessel barrier, lubricity and hydrophobic coatings and coated vessels, for example syringes and medical sample collection tubes are disclosed. A vessel processing system and vessel inspection apparatus and methods are also disclosed, for example using material outgassed from a surface to inspect the properties of a surface coating.

Abstract: Disclosed is a laminar shaped article comprising a heterogeneous blend of (a) a composition comprising a vinyl halide or vinylidene halide polymer and optionally an ethylene copolymer containing carboxyl and/or carbon monoxide moieties, and (b) a polyolefin functionalized with a comonomer selected from the group consisting of maleic anhydride, maleic acid diesters, maleic acid monoesters, itaconic anhydride, itaconic acid diesters, itaconic acid monoesters, fumaric acid diesters, fumaric acid monoesters, or combinations thereof as a compatibilizer; and (c) a polyamide wherein the polyamide is present in the vinyl halide or vinylidene halide polymer as a multitude of overlapping layers.

Abstract: There is provided a multilayer article suitable for use as a fuel hose in an automotive fuel system and the like, which has an inner rubber layer, an outer rubber layer and an inter-mediate resin layer formed of polyamine-based resin between the inner and outer rubber layers.

Abstract: The invention relates to a laminate comprising two plastic films and in between a metal or metaloxide layer and a crystalline triazine layer, the laminate having a lamination strength of about 2 N/inch or more as measured in a 90 degree tensile testing at 30 mm/min. The invention further relates to a composite layer, comprising a metal or metal oxide, and a triazine layer comprising a triazine compound suitable for said laminate. The invention further relates to a process for the preparation of a composite layer, comprising the step of applying a triazine layer on a substrate with a metal or metal oxide layer by vapor deposition of the triazine compound, wherein the process comprises (a) applying to the metal or metal oxide layer a compound other than a triazine compound, (b) vapor depositing the triazine compound on the metal or metal oxide layer while the compound is at least in part in a liquid state.

Abstract: A method of improving the shelf life of a beverage may involve selecting a container for containing a beverage, the container having a first gas barrier property; selecting a blended label having a second gas barrier property; applying the blended label to the container such that the container has a resultant gas barrier property that is greater than the first gas barrier property; and placing the beverage in the container. A beverage container may have a PET wall having a first gas barrier property and a blended label adjacent the PET wall, the blended label having a second gas barrier property, wherein the container has a resultant gas barrier property that is greater than the first gas barrier property. Two different beverage products may be bottled in the same type of container using blended labels that have different gas barrier properties tailored for each beverage product.

Abstract: Various barrier films are described that include barrier layers that contain ethylene vinyl alcohol copolymers and elastomers. Polyolefin elastomers can be used such as ethylene octene copolymers. The barrier films can also include secondary barrier layers that contain one or more norbornene copolymers.

Abstract: A method for producing a thermoplastic resin composition, comprising the steps of: (I) melt-kneading (A) acid anhydride-modified or epoxy-modified rubber with (B) ethylene-vinylalcohol copolymer resin to prepare a first resin composition in which (A) acid anhydride-modified or epoxy-modified rubber is dispersed in (B) ethylene-vinylalcohol copolymer resin, (II) crosslinking (C) crosslinkable elastomer while melt-kneading the crosslinkable elastomer with (D) polyamide resin to prepare a second resin composition in which crosslinked elastomer particles are dispersed in (D) polyamide resin, and (III) melt-mixing together the first resin composition with the second resin composition. The thermoplastic resin composition has excellent gas barrier properties, low-temperature durability, and fatigue resistance.

Abstract: A drug solution container package, which can restrain degradation of a drug solution, proliferation of microbes, etc. accompanying the transmission of oxygen in a high degree while maintaining characteristics required of plastic drug solution containers such as heat resistance, impact resistance, pliability, transparency, and resistance against elution of plastic forming material, and to provide a method for manufacturing the drug solution container package. A drug solution is first contained and sealed in a plastic drug solution container having an oxygen gas transmission rate (25° C., 60% RH) of not less than 200 cm3/m2·24 h·atm within twelve hours after being subject to steam or hot water sterilization, and having an oxygen gas transmission rate (25° C.

Abstract: The disclosure relates to a laminated, thermoformable barrier film useful as a peelable surface liner, such as in containers and other shaped articles. The laminated film includes at least two layers, including a distal layer and a medial layer. The medial layer includes an odor-resistant polymer barrier layer that inhibits passage of gases and odors therethrough. The distal layer includes a polymer layer that inhibits permeation of a liquid through to distal layer from a contact face thereof to the barrier layer. Optionally, the distal layer can include a scratch resistant layer. The laminated film can also include a proximal layer that includes a layer of a pliable polymer. The laminated film can be included as a surface liner, or stack of surface liners, on a thermoformed article or on a sheet that can be thermoformed. The laminated sheets have multiple uses, including as liners for food service containers.

Abstract: An object is to provide a structure in which when a waterproof filter having an adhesive layer 1 attached thereto is attached to a housing of an electronic device, the adhesive layer 1 hardly rides onto a stepped portion 13. An acoustic part includes a housing 11 having at least one sound hole 12, an adhesive layer 1 formed into a frame shape, and a waterproof filter attached so as to cove the sound hole 12 with the adhesive layer 1 interposed therebetween, wherein the housing 1 is provided with a step position 13 for allowing the waterproof filter to engage therewith or a stepped portion 13 as a marker showing an attachment position of the waterproof filter, and an outer peripheral portion of the frame-shaped adhesive layer 1 is positioned at an inner side than an outer peripheral portion of the waterproof filter.

Abstract: Provided is a multi-layer container excellent in delamination resistance and gas barrier property, which can be manufactured without employing any molding method involving a special apparatus, which increases a production cost, and a complicated step. Specifically, the multi-layer container includes a laminate structure of three or more layers having at least a gas barrier layer between an innermost layer and an outermost layer, in which the gas barrier layer in a site formed of the laminate structure has a portion having a thickness 0.01 to 0.9 times as large as the maximum thickness of the gas barrier layer. Further, provided are a mold suitable for manufacturing the multi-layer container, and a manufacturing method for a multi-layer container using the mold.

Abstract: A non-foil packaging laminate for liquid food packaging comprises a core layer of paper or paperboard, outermost liquid tight, heat sealable layers of polyolefin and, applied onto the inner side of the layer of paper or paperboard, an oxygen gas barrier layer formed by liquid film coating of a liquid gas barrier composition and subsequent drying, the liquid composition containing a polymer binder dispersed or dissolved in a liquid medium. The laminate further comprises a layer of a polyolefin-based matrix polymer with inorganic filler particles distributed therein and inorganic particles dispersed also in the gas barrier layer from the liquid gas barrier composition. Also disclosed is a method for manufacturing the packaging laminate and a packaging container made from the packaging laminate.

Abstract: The present invention relates to a polyamide resin composition comprising polyamide (X) comprising a diamine unit containing 70 mol % or more of a metaxylylenediamine unit and a dicarboxylic acid unit and an alkali compound (A), wherein the following equations (1) to (4) are satisfied: 10?([COOH]—[NH2])?80??(1) 0.32?P<6.46??(2) 0.50?M<17.00??(3) 2?M/P?3??(4) wherein [COOH] represents a concentration (?eq/g) of a terminal carboxyl group in the polyamide (X); [NH2] represents a concentration (?eq/g) of a terminal amino group in the polyamide (X); P represents a mole concentration (?mol/g) of a phosphorus atom contained per g of the polyamide resin composition; and M represents a sum (?mol/g) of values obtained by multiplying a mole concentration of an alkali metal atom and a mole concentration of an alkaline earth metal atom each contained per g of the polyamide resin composition by valencies thereof respectively.

Abstract: The present invention relates to a polyamide resin composition comprising polyamide (X) comprising a diamine unit containing 70 mol % or more of a metaxylylenediamine unit and a dicarboxylic acid unit and an alkali compound (A), wherein the following equations (1) to (3) are satisfied: 0.03?P<0.32??(1) 2.2?M<26.1??(2) 5<M/P?200??(3) wherein P represents a mole concentration (?mol/g) of a phosphorus atom contained per g of the polyamide resin composition; and M represents a sum (?mol/g) of values obtained by multiplying a mole concentration of an alkali metal atom and a mole concentration of an alkaline earth metal atom each contained per g of the polyamide resin composition by valencies thereof respectively.

Abstract: A coextruded multilayer film includes a core layer including an ethylene vinyl alcohol copolymer; two intermediate layers each including a blend of an amorphous polyamide having a glass transition temperature of at least 80° C., and a semicrystalline polyamide; two outer layers each including an olefinic polymer; and two tie layers each adhering an intermediate layer to a respective outer layer; wherein the film exhibits an elongation at yield (ASTM D 882) of less than 15% in each of the longitudinal and transverse directions, and a free shrink (ASTM D 2732) at 200° F. of less than 8% in each of the longitudinal and transverse directions. An aseptic package includes a sterilized food product, and a sterilized pouch in which the sterilized food product is disposed, the sterilized pouch including the coextruded multilayer film of the invention. A method of making an aseptic package is also disclosed.

Abstract: A method for manufacturing a plastic container which is substantially impervious to oxygen by creating an oxygen barrier film by providing a base, and creating a dried oxygen barrier on the base, printing ink on the dried oxygen barrier, and disposing an ultraviolet cured outer layer on the ink. Dimensioning the oxygen barrier film to substantially circumscribe at least one of a side wall and a floor of the plastic container. Providing a mold, the mold having a floor and a side wall and a cavity, and placing the oxygen barrier film in the cavity. Injection molding a plastic container within the cavity, the oxygen barrier film, being in facing relationship with the plastic container.

Abstract: A multilayer thermoplastic container for storing and transporting liquid contents, especially combustible or explosive contents, is made of at least three superimposed layers and includes at least one layer for discharging an electric charge. The innermost layer of the container in contact with the liquid content is made of virgin material and a second integrated inner layer which is covered by the innermost virgin material layer is electrically conductive as a result of incorporated additives, e.g. conductive carbon black and is covered on the outside by another electrically non-conductive layer. Electric charge carriers that accumulate on the surface of the thin inner layer due to the friction with the content are “suctioned through” large areas of the inner, electrically non-conductive layer by the second, electrically conductive layer and discharged.

Abstract: A method of reducing fuel vapor permeation through a multi-layer tank includes providing a multi-layer overlay onto at least a portion of a structural layer of the multi-layer tank. The multi-layer overlay preferably comprises at least one structural layer composed of a polymeric material that is compatible with one or more of the polymeric structural layer(s) of the multi-layer tank. The multi-layer overlay further comprises at least one barrier layer composed of a vapor barrier material resistant to hydrocarbon permeation therethrough. The multi-layer overlay may be secured to the multi-layer tank by, for example, applying a suitable amount of heat and pressure thereto or by molding the multi-layer overlay to the tank body during a tank forming process.

Abstract: The present invention relates to a deep-drawable multi-layer film having low water vapor and oxygen permeability, the inventive film being suitable for blister packaging and preferably including a layer composite specifically a PVC/PVDC/PCTFE/PVC composite.

Abstract: A coextruded multilayer film includes a core layer including a polyamide; two intermediate layers each including an ethylene vinyl alcohol copolymer; a first and second outer layer each including an olefinic copolymer or an amorphous cyclic olefin copolymer; and two tie layers each adhering an intermediate layer to a respective outer layer; the ethylene vinyl alcohol copolymer of the first intermediate layer having a mole % ethylene at least 5 greater than the mole % ethylene of the ethylene vinyl alcohol copolymer of the second intermediate layer An aseptic package includes a sterilized food product, and a sterilized pouch in which the sterilized food product is disposed, the sterilized pouch including the film of the invention. A method of making an aseptic package is also disclosed.

Abstract: Disclosed herein are degradable sachets useful for enclosing a consumer product, such as, for example, shampoo, conditioner, soap, toothpaste, bar soap, and detergent. The sachets of the invention have a moisture vapor transmission rate (MVTR) of less than about ten grams per square meter per day (g/m2/day) at 37° C. and 90% relative humidity (RH), and can disintegrate into pieces sufficiently small to pass through a one millimeter sieve, within two years after first and continuous exposure to water and microorganisms.

Abstract: The present invention relates to a high barrier multilayer film for functional medical solution product comprising in order, an outer layer comprising polyethyleneterephthalate deposited inorganic oxide thereon; a first adhesive layer comprising ester type polyurethane; a first intermediate layer comprising ethylene vinyl alcohol copolymer; a second adhesive layer comprising ester type polyurethane; a second intermediate layer comprising polyamide; a third adhesive layer comprising ester type polyurethane; and an inner layer comprising propylene-based polymer. The multilayer film has the merits of improved transparency, heat resistance, sealing property, durability, competitive price, oxygen barrier property and less pinhole, so that may be applied to a outer bag of pouch type container of medical solution.

Abstract: The present invention relates to a coextruded, if appropriate biaxially stretched seamless multilayer tubular casing, and also to use thereof for encasing pasty or liquid goods, such as, for example, producing sausage in molds.

Abstract: A container made of synthetic resin which does not cause whitening or clouding in an unstretched portion even after long-period storage and which has excellent barrier properties. A PET bottle comprising a substrate layer made of PET and a barrier layer having a gas permeability lower than that of the substrate layer, wherein the barrier layer is made of a barrier material prepared by incorporating a polyamide containing m-xylene groups with an amorphous polyamide comprising both m-xylene isophthalamide structures and hexamethylene isophthalamide structures. A copolyamide composed of both a copolymer of m-xylenediamine and isophthalic acid and a copolymer of hexamethylenediamine and isophthalic acid is used as the amorphous polyamide. The content of the amorphous polyamide in the barrier layer is adjusted to 15 to 25 wt %.

Abstract: The presently disclosed subject matter is directed to a multilayer coextruded sterilizable film that can be used for aseptic packaging applications. The film comprises an outer layer comprising a blend of a cyclic olefin copolymer with a glass transition temperature of at least 80° C. and an olefinic copolymer with a melting point of at least 125° C. The film has a storage modulus of at least 109 dynes/cm2 at temperatures of up to 140° C. An aseptic package and a method of making an aseptic package are also disclosed.

Abstract: A non-oriented thermoformable packaging sheet having a rigid component layer comprising a blend of an aromatic polyester and a styrenic polymer, where the total amount of styrenic polymer present in the sheet relative to the total weight of the sheet is at least between 3.0% and 4.0% by weight. The packaging sheet has a thickness of at least 5 mil and a normalized impact strength of 0.16 ft*lbf/mil or less total energy as measured in accordance with ASTM D3763-08 test method.

Abstract: A plastic fuel tank is disclosed including polyethylene layers laminated respectively onto an upper surface and a lower surface of an ethylene/vinyl alcohol layer for preventing fuel seepage. The outermost polyethylene layer laminated onto the upper surface is a high-density polyethylene layer colored black so as to minimize transmission of ultraviolet light.

Abstract: A packaged product. The package has a plastic container and a light-sensitive liquid composition contained in the plastic container. The container has a plastic container for protecting a light-sensitive liquid composition from light. The container has: i) a top; ii) a bottom opposing to the top; iii) a first layer extending from the top to the bottom, wherein the first layer is non-opaque; and iv) a second layer superposed with a part of the first layer, wherein the second layer has a blocking agent. The container has a non-superposed area covering the bottom. In the non-superposed area the first layer is not superposed with the second layer. The non-superposed area has a height h from about 2 mm to about 50 mm.

Abstract: An object of the present invention is to provide a packaging material for heat sterilization treatment, in which a decrease in the oxygen absorption capacity until the time of a heat sterilization treatment is prevented, a sufficient oxygen absorption capacity is exhibited at the time of a heat sterilization treatment, and odor that is generated along with oxygen absorption is suppressed. To attain the object, the present invention provides a resin composition for a package to be subjected to heat sterilization, comprising an oxygen absorptive resin composition dispersed in an oxygen barriering matrix resin, wherein the oxygen absorptive resin composition comprises a conjugated diene polymer cyclized product, the oxygen absorptive resin composition has a glass transition temperature of 31° C. to 55° C., and the oxygen barriering matrix resin is at least one resin selected from an ethylene-vinyl alcohol copolymer resin and a polyamide resin.

Abstract: Disclosed are polymer compositions having high transparency and low haze comprising immiscible blends of one or more thermoplastic polymers selected from polyesters, polycarbonates, and polyarylates, and a copolyamide or a transamidized, homogeneous blend of a least two polyamides. The components of the immiscible blend which have refractive indices which differ by about 0.006 to about ?0.0006. The small difference in the refractive indices enable the incorporation of regrind into the polymer composition to produce transparent shaped articles. The blends of the present invention are useful in producing shaped articles such as, for example, sheeting, films, tubes, bottles, preforms and profiles. These articles may have one or more layers and can exhibit improved excellent barrier properties and good melt processability while retaining excellent mechanical properties. Metal catalysts can be incorporated into the compositions to produce oxygen-scavenging compositions.

Abstract: Provided is an EVOH resin composition suitable for use as a multilayer structure serving as a material for molded articles, in particular, liquid container such as bags for bag-in-boxes. The EVOH resin composition has such flexibility that even when used in applications where the resin composition is repeatedly folded or deformed over a long period, the resin composition does not develop pinholes or the like, and further has excellent gas barrier properties and melt molding stability.

Abstract: The invention includes a copolymer of vinylidene chloride with at least one monounsaturated comonomer and at least one branching monomer in an amount sufficient to increase molecular weight over that of a polymer prepared using the same process and same monomers in the same relative amounts except without the branching monomer, but preferably the branching monomer is present in a quantity not sufficient to result in measurable crosslinking as determined by solubility in tetrahydrofuran at up to 83° C. The invention includes a process for making the polymer and processes for forming the copolymer or compositions thereof as well as articles comprising the copolymer and compositions thereof. The copolymer exhibits improved bubble stability and is particularly useful for processes in which the copolymer is at least partially oriented in formation such as blow molding, formation of monofilament fiber and film blowing.

Abstract: The invention provides a packaging material which comprises a polymeric base component and a barrier component which coats and lines a surface of the base component, the barrier component inhibiting migration of gases, vapors and liquids through the base component. The barrier component comprises a polymeric layer comprising at least two different polymeric species which are polar and which are water soluble. The different species have different chemical compositions and are complementary in that they are bound together physically by interpolymer complexation to form an interpenetrating physical network. The invention also provides a process for producing the packaging material which comprises coating at least one surface of the base component with the barrier component and causing the complementary species to interact together physically by interpolymer complexation to form an interpenetrating physical network.

Abstract: A multilayer oriented film comprising at least one layer (a) comprising one or more polyesters and/or copolyesters characterized by a % of crystallinity higher than 15, an adjacent layer (b) comprising one or more polyolefin-based adhesive resins, and a layer (c) comprising one or more co-polyesters characterized by a % of crystallinity lower than 15, is positioned between said two layers (a) and (b) in such a way that one of the two principal surfaces of layer (c) is directly adhered to layer (a) and the other is directly adhered to layer (b). The presence of a co-polyester layer (c) of relatively low % crystallinity positioned between (co)polyester layer (a) and adhesive layer (b) remarkably increases the bond between the two layers (a) and (b) and prevents delamination problems in the oriented structure.

Abstract: A packaging bag and a drying agent with a moisture absorption indicator function are provided without using a heavy metal harmful to the human body. The packaging bag includes a first packaging material (10) and a second packaging material (20). The first packaging material (10) is provided on an outermost side thereof with a transparent barrier film (12) having a barrier property against water vapor. The second packaging material (20) has a light-reflective or light-absorbing film (24) and a pattern printed layer (23) overlaid on a bag interior side thereof, the pattern printed layer (23) having a printed moisture-absorbing indicator pattern (30). A desiccant-containing resin film (11, 21) which becomes transparent due to moisture absorption is overlaid on a bag interior side of at least one of the first packaging material (10) and the second packaging material (20).