Abstract: The present invention relates to a plastic container which has a good biodegradability and a moisture permeability manufactured by using a novel polyester resin composition under a specific injection and extrusion molding conditions in the forms of a bottle, a blister pack, a medicated paper pouch and the like, which thus enables to preserve the contents of the container such as pharmaceutical drugs, food and beverages dry without the addition of desiccants and can be disposed of without causing environmental contamination.

Abstract: A packaging container member, for containing an ink-jet head and/or an ink reservoir, includes a resin material with a composite layer deposited thereon, and an adhesive layer for sealing a containing space in a packaging container. The composite layer is composed of SiO2 and/or Al2O3, and the adhesive layer is composed of a propylene resin substantially free of components of molecular weight of less than 80,000, or of a biodegradable resin.

Abstract: A plastic closure that includes a cap having a base with a peripheral skirt defining a cap interior and threads on the skirt for securing the closure to a container. A liner is secured to the interior of the cap, preferably by compression molding in situ. The liner preferably consists essentially of a blend of matrix polymer material, particulate barrier polymer material and compatibilizer material. The heat and pressure of compression forms the particles of barrier polymer material into platelets that are oriented essentially parallel to the plane of the closure base.

Abstract: The present invention provides a method for producing a packaging laminate having excellent gas barrier properties. The method involves applying a solution or dispersion of starch or starch derivative to a surface of a substrate of paper or paperboard, and applying a layer of plastic to said starch or starch derivative so as to modify the properties of same such that the starch or starch derivative provides a gas barrier property.

Abstract: The present invention provides a container and method for storing a solution containing a labile species comprising storing said solution in a flexible, optically transparent container comprised of an ethylene vinyl alcohol copolymer having an oxygen permeability of less than 0.2 cc/100 in2/24 hrs.

Abstract: A packaging laminate (10) comprising a core layer (11) and a gas barrier layer (14) of moisture- and liquid-sensitive barrier polymer, e.g. a copolymer of ethylene and vinyl alcohol (EVOH). The packaging laminate (10) preferably has outer liquid-tight coatings (12 and 13) of thermoplastic in order to make for sealing of the packaging laminate by thermosealing. In order to impart increased moisture and liquid protection to the moisture- and liquid-sensitive barrier layer (14), the packaging laminate (10) has a layer (16) of mineral filled polyolefin between the barrier layer (14) and the outer, liquid-tight coating (13) on the one side of the core layer (11). A packaging container produced from the packaging laminate (10) makes for the storage of a packed liquid food, such as juice, wine, cooling oil etc., with so-called extended shelf life.

Abstract: Novel articles and packages are disclosed. Disclosed is the non-invasive use of a luminescent compound to detect and measure concentrations of oxygen dissolved in solids, particularly polymeric materials present in multi-layered packaging materials. The measurement is made independent of the oxygen concentration of the surrounding atmosphere. The invention is especially useful as a quality assurance check to verify oxygen scavenger activation during the assembly of modified atmosphere and vacuum packages. A solid article includes a film including an oxygen barrier layer; and a layer including an oxygen scavenger; and a patch including an oxygen barrier; and an oxygen indicator including a luminescent compound; wherein the patch is adhered to the film; and wherein the oxygen indicator is disposed between the oxygen barrier of the patch, and the oxygen barrier of the film. A package, and a bottle, each having the oxygen indicator, are also disclosed.

Abstract: Multi-layered, coinjection stretch-blow molded containers are obtained by stretch-blow molding a preform prepared by coinjection molding a polyester resin and an EVOH resin blend in which one of the EVOH resins is dispersed as particles in an EVOH resin matrix. Containers prepared with this EVOH blend have good impact delamination resistance, good gas-barrier properties, and high transparency is high, even without an adhesive layer. The EVOH blend is composed of two EVOH resins having different ethylene contents and degrees of saponification. The blend exhibits at least two crystal fusion peaks by DSC.

Abstract: The present invention is directed to thermoplastic elastomer films and bags made from thermoplastic elastomer films and also to methods for making thermoplastic elastomer films and bags. The thermoplastic elastomer films of the present invention are composed of thermoplastic elastomers and non-elastic polyesters. The bags of the present invention are fabricated using blended monolayer thermoplastic films that include a blend of thermoplastic elastomer and a non-elastic polyester, or co-extruded multi-layer films that include at least one layer of thermoplastic elastomer and at least one layer of non-elastic polyester. The blended monolayer thermoplastic films of the present invention are useful in the food handling industry and particularly in the meat packaging industry and for use in cooking bag applications. The co-extruded films of the present invention are also useful in the food handling industry and particularly the meat packaging industry and for use in meat casing applications.

Abstract: A fuel hose having a fluororesin layer formed from a copolymer of vinylidene fluoride and chlorotrifluoroethylene by powder coating or the like on the inner surface of a rubber tube is characterized by at least one of the following: (1) the copolymer contains a metal salt; (2) the rubber tube is of a mixture containing acrylic rubber; and (3) the rubber tube contains an organic ammonium salt or the like. The fuel hose is high in gasoline impermeability and flexibility and has a strong adhesion between the rubber tube and fluororesin layer.

Abstract: Multilayer hollow body made of plastic, especially a fuel tank, having at least two molded multilayer parts welded together to form a multilayer hollow body having a hollow portion formed by a multilayer wall, each of the multilayer parts comprising at least one thermoplastic non-barrier layer and at least one barrier layer which may be comprised of a liquid-crystal polymer (LCP).

Abstract: A multilayer composite comprises a layer configuration A/C/B or A/C/B/C/A, wherein I. each layer A comprises a molding composition that comprises at least 50% by weight of a polymer A containing amino groups; II. layer B comprises a molding composition that consists of at least 50% by weight of a thermoplastic polyester or fluoropolymer B; III. each layer C comprises a molding composition that consists essentially of the following components a)-c): a) from 5 to 95 parts by weight of the polymer A, b) from 95 to 5 parts by weight of the polymer B, and c) from 1 to 90 parts by weight of a compatibilizer comprising an alkyl acrylate polymer.

Abstract: A packaging material having an oxygen-absorbing layer of a thermoplastic resin which is blended with an organic oxidizing component and with a transition metal catalyst, wherein the thermoplastic resin is not substantially oxidized in the presence of the transition metal catalyst. The thermoplastic resin is not deteriorated by oxidation and, hence, oxygen-barrier property is not deteriorated, making it possible to stably suppress the permeation of oxygen over extended periods of time.

Abstract: Coinjection stretch blow molded containers containing thermoplastic polyester resin and an EVOH resin are obtained, which have greatly improved impact delamination resistance. The containers comprise a thermoplastic polyester layer (layer a) and an ethylene-vinyl alcohol copolymer layer (layer b), with the layer a being kept in direct contact with the both surfaces of the layer b, wherein the ethylene-vinyl alcohol copolymer satisfies the following formulae (1) and (2) and its differential scanning calorimetry (DSC) gives a single peak for crystal fusion: 25≦ETb≦48  (1) 92≦SDb≦99  (2) wherein ETb indicates the ethylene content (mol %) of the ethylene-vinyl alcohol copolymer, and SDb indicates the degree of saponification (%) of the ethylene-vinyl alcohol copolymer.

Abstract: The lid structure for a food packaging container comprises a paper-based body layer and, on the side that is to be against the packaging container, plastic layers that function as a barrier and as heat-sealable layers. The lid structure comprises, as the plastic layers attached to the body layer, one or more layers of biodegradable plastic, such as polylactide and/or polyhydroxy alkanoate and on their outer side, the outermost layer, which is formed of biodegradable ester copolymer, to whose ester parts a comonomer has been linked by ester or amide bonds.

Abstract: A multilayer plastic container comprises a layer of a polypropylene and a layer of EVOH directly adjacent the layer of polypropylene wherein at least one of the polypropylene and EVOH layers comprises an adhesive such as maleic anhydride concentrate mixed therein to adhere the layer of polypropylene to the layer of EVOH.

Abstract: A plastic closure that comprises a cap having a base with a peripheral skirt defining the cap interior and threads on the skirt for securing the closure to a container. A liner is secured to the interior of the cap, preferably by being compression molded in situ on the base. The liner consists essentially of a multiplicity of alternating layers of a matrix polymer material such as EVA and a barrier material such as EVOH to resist transmission of gas, water vapor and/or flavorants through the liner. The matrix polymer material preferably is preblended with a compatibilizer material such as a maleic anhydride grafted polymer that ties the matrix polymer material to the barrier material.

Abstract: A multilayer container for dispensing product that includes a relatively rigid outer body and a relatively flexible inner liner for holding product to be dispensed. The relatively rigid outer body includes, and preferably consists essentially of, an outer layer of virgin polyethylene such as HDPE, and an inner thicker layer that includes polyethylene regrind. The relatively flexible inner liner includes, and preferably consists essentially of, an outer delamination layer adjacent to the inner layer of the body and composed of nylon, nylon blends or EVOH, an inner layer of polyethylene such as LLDPE, and an adhesive securing the inner and outer layers of the liner. The relatively thin outer HDPE layer on the plastic body provides desired appearance, while the thicker inner layer provides structural rigidity using reground plastics.

Abstract: Herein are disclosed modified vinyl alcohol polymers (mPVOH), wherein the mPVOH can comprise structure VII: 1

Abstract: A multilayer injection blow molded container of this invention, containing a layer of a specific ethylene-vinyl alcohol copolymer (A) and a layer of a resin composition (B) comprising a thermoplastic resin (b1) having a specific functional group and polypropylene (b2), is disclosed, having characteristics that it has excellent gas-barrier properties, has good interlayer adhesion, has excellent thermal stability and can be produced with a low cost.

Abstract: A plastic closure includes a closure shell having a base wall, a peripheral skirt with an internal thread for securing the closure to a container finish, and an annular lip extending from the closure skirt adjacent to the base wall and defining an inside lip surface at an acute angle to the closure base wall. A liner is compression molded in situ onto the base wall and peripherally within the lip. The liner has a liner base portion extending along the base wall and a peripheral portion extending along the inside surface of the lip. The liner has an interior surface—i.e.

Abstract: A multi-layer laminate comprising at least one layer of fiber material and at least one layer of plastic laminated thereto, which plastic layer comprises at least 50 weight percent of a cycloolefin copolymer. Also disclosed are packaging materials and packages made from the multi-layer laminate.

Abstract: A gas barrier coating composition which undergoes no decrease in barrier properties to gases such as oxygen and water vapor even under high-humidity conditions, contains no compounds thought to be harmful to the human body, and is harmless to the human body; and a gas barrier coating film with excellent gas barrier properties comprising the composition. The gas barrier coating composition comprises (a) a polyvinyl alcohol resin and (b) at least one member selected from the group consisting of a specific metal alcoholate, a hydrolysate of the metal alcoholate, a condensate of the metal alcoholate, a chelate compound of the metal alcoholate, a hydrolysate of the chelate compound and an acylated metal compound. The coating film obtained from the composition has excellent gas barrier properties.

Abstract: This invention concerns a multilayer film useful as release sheet for sheet molding compounds, comprising a first skin layer, a second skin layer, a barrier layer for monomeric resins wherein the barrier layer is between the first and second skin layers and the first and second skin layers comprise a mixture of polyolefin and adhesive resin. This invention also pertains to the multilayer films method of production, as well as an SMC sheet employing the multilayer film.

Abstract: The present invention relates to membranes including an urethane including a polyester polyol, wherein the membrane has a gas transmission rate of 15.0 or less for nitrogen gas wherein the membrane has an average thickness of approximately 20.0 mils. Under certain embodiments, the membranes include blends of one or more polyester polyol based thermoplastic urethanes and one or more barrier materials. The membranes can be employed in a variety of applications and can be used as either monolayers or multi-layered laminates.

Abstract: Barrier film with a high colorless transparency comprising a flexible plastic substrate. A barrier layer is formed on the surface and has a thickness ranging from approximately 50 to less than 200 Angstroms and is formed of a material selected from the group of aluminum oxide, tin oxide and yttrium oxide. An additional barrier layer formed of silicon dioxide may also be formed on the barrier layer.

Abstract: The invention relates to compostable polymer coated paper or paperboard (1), a method for making the same and products obtained therefrom. According to the invention, a compostable biodegradable coating (3) of paper or paperboard (1) includes an outer layer (6) containing polylactide the weight of which is at the most about 20 g/m2, and of an adhesive layer (7) that binds the outer layer to the paper or paperboard (1) and is of biodegradable polymer material that is coextruded with the polylactide. Suitable materials for the adhesive layer (7) are biodegradable polyesters. The production is by coextrusion of the polylactide layer (6) and the adhesive layer (7) on either one side of the paper or paperboard or on both sides thereof. Products obtained include in particular packages for food stuffs and disposable dishes such as containers for frozen foods, disposable drinking cups, heat-sealed carton packages and packaging wraps.

Abstract: Multilayer blow molded containers, which comprise a layer of an ethylene-vinyl alcohol copolymer (A) having an ethylene content of 5 to 60% by mol and a degree of saponification of 85% or more and a layer of a resin composition (B), characterized in that the resin composition (B) comprises 1 to 40% by weight of a thermoplastic resin (b1) having at least one functional group selected from the group consisting of boron-containing groups that are convertible to a boronic acid group in the presence of water and a boronic acid group (hereinafter, referred to as a boron-containing functional group), and 60 to 99% by weight of polypropylene (b2), exhibit excellent gas-barrier properties, have good interlayer adhesion, have excellent thermal stability, and are low in production cost.

Abstract: The present invention relates to a thermoformable composite film, a process for producing a thermoformable composite film, the use of a solvent-free adhesive for applying a thermoplastic film to a film comprising cycloolefin copolymer in order to produce a thermoformable composite film, an extrusion coated film and a process for producing an extrusion coated film and use of the film as a packaging material.

Abstract: An improved multi-layer preform is provided which includes: (a) a plastic inner liner, having a cylindrical-walled lower portion and a cylindrical-walled upper portion integral with and extending upwardly from said lower portion, and (b) a molded outer layer. The liner further includes (a) a mount means, such as a generally continuous annular groove, or (b) a vent means, such as a plurality of recesses or grooves positioned circumferentially about the upper portion of the liner, or (c) both a mount means and vent means used in functional combination.

Abstract: Films, containers made of high density polyethylene, and articles made therefrom exhibit, for a given density, improved resistance to water vapor transmission. The high density polyethylenes are produced in a metallocene-catalyzed production process. Alternatively, for equivalent water vapor transmission rates (WVTR) an article formed in accordance with the invention will exhibit improved physical properties, such as dart drop impact, more balanced tear properties and improved machine direction (MD) tear properties. Additionally, these high density polyethylenes show a low level of extractables and an excellent organoleptic profile.

Abstract: An automotive plastic fuel tank with a wall having a structural layer of HDPE and a hydrocarbon fuel barrier layer of an EVOH based material with a binder layer between them. The barrier layer prevents the passage of hydrocarbons through the wall to the atmosphere. The barrier layer is on an exterior face of the wall and preferably on the interior of the tank in direct contact with fuel therein. Preferably, the barrier includes a layer of polyamide (A) or a mixture of polyamide (A) and polyolefin (B).

Abstract: Described is a molded plastic article which includes a barrier film. The molded plastic article is prepared by a process which involves: (a) providing a barrier film comprising at least one polymeric layer, the barrier film having a first surface and a second surface; (b) placing the barrier film in a mold such that the first surface of the barrier film is in contact with at least a portion of the interior surfaces of the mold; (c) injecting a polymer (e.g., a molten thermoplastic polymer) into the mold, the injected polymer contacting the second surface of the barrier film; and (d) removing the molded plastic article from the mold. Also described are molded articles according to the present invention, which include, for example, plastic containers, plastic fuel tanks, plastic storage units, plastic fascias and plastic motor vehicle interior cladding materials.

Abstract: A packaging laminate useful as a lidstock comprises first and second films, and an image between the first and second films. The first film comprises a sealant layer forming the inside surface of the first film. The first film has a free shrink at 220° F. in at least one direction of at least about 7%. The second film comprises an outside layer forming the outside surface of the second film. The outside layer comprises at least about 40% by weight of the outside layer of one or more relatively high-melt polymers each having a melting point at least about 25° F. higher than the lowest melting point polymer of the sealant layer. The second film has a free shrink at 185° F. of no more than about 10% in each of the machine and transverse directions. The outside surface of the first film is directly laminated to the inside surface of the second film. The first film has an oxygen transmission rate greater than the oxygen transmission rate of the second film.

Abstract: This invention relates to a multiple layer thermoplastic structure, use of the said structure for manufacturing a tank, and a tank comprising the said structure.

Abstract: The present invention relates to laminated membranes formed by multi-layer processing techniques including alternating layers of thermoplastic urethane and a copolymer of ethylene and vinyl alcohol. The membranes are characterized in that hydrogen bonds are formed between the layers of thermoplastic urethane and the copolymer of ethylene and vinyl alcohol. The membranes are characterized in that hydrogen bonds are formed between the layers of thermoplastic urethane and the copolymer of ethylene and vinyl alcohol.

Abstract: A fiber reinforced plastic article is disclosed which include a liner, at least one single material fiber layer wound on the liner, and at least one composite fiber layer wound on the single material fiber layer. The at least one single material fiber layer and the at least one hybrid fiber layer are impregnated with resin.

Abstract: A heat sealable packaging film producing a peelable seal is formed from a blend of 99 to 75 weight percent of a copolyester and 1 to 25 weight percent of an epoxy-containing impact modifying polymer. The copolyester has a diacid component of at least 50 mole percent terephthalic acid, naphthalenedicarboxylic acid, 1,4-cyclohexanedicarboxylic acid, or mixtures thereof and diol component of about 90 to 35 mole percent ethylene glycol and 10 to 65 mole percent of at least one of diethylene glycol or 1,4-cyclohexanedimethanol.

Abstract: A fuel permeation barrier fuel tank for a vehicle includes a tank shell having a wall formed from a plurality of layers. The layers include at least an inner layer, an outer layer, a fuel permeation barrier layer disposed between the inner layer and the outer layer, and a thermoformable layer disposed adjacent the outer layer to improve permeation resistance and protection against radiant environmental heating of the fuel tank.

Abstract: Herein is disclosed an oxygen scavenging composition, comprising (i) an oxygen scavenging polymer comprising units having structure I: wherein R1 and R2 are independently selected from the group consisting of —O—, —NCO—, and —NR—, wherein R is selected from the group consisting of —H and —C1-C6 alkyls; (ii) a transition metal oxidation catalyst; and (iii) an energy-absorbing compound selected from the group consisting of microwave reactive materials and photoinitiators having a wavelength of maximum absorption of electromagnetic radiation from about 200 nm to about 750 nm. The oxygen scavenging composition can be used to form an oxygen scavenging packaging article.

Abstract: The present invention relates to membranes including a barrier layer which includes a blend of one or more aliphatic thermoplastic urethanes and one or more polar and partially crystalline materials. Under multi-layered embodiments, the barrier layer is laminated to at least one other layer formed from thermoplastic urethane, wherein the membranes are characterized in that hydrogen bonds are formed between the first layer of thermoplastic urethane and the second layer from the blend of aliphatic thermoplastic urethane and a copolymer of ethylene and vinyl alcohol.

Abstract: A method of producing a fuel hose having superior adhesive reliability with superior initial adhesive strength between a tubular fluororesin inner layer and a thermoplastic resin outer layer and with restrained deterioration in adhesive strength after heat aging and immersion into fuel under severe conditions such as an inside of an engine compartment. The method includes plasma treatment on a peripheral surface of the tubular fluororesin inner layer, at least one treatment of water treatment and silane coupling agent treatment on the plasma treated surface and formation of the thermoplastic resin outer layer on the treated peripheral surface.

Abstract: This invention relates to multilayer thermoformable structures comprising a layer (A), a layer (C), and a layer (B) disposed between layers (A) and (C). The multilayer structures and polymer compositions of the invention are useful in preparing thermoformed articles and are particularly useful in preparing medical components such as IV bags. The multilayer structures and the polymer composition have good thermoformability and chemical resistance. A multilayer thermoformable structure according to the invention comprises: a layer (A) of a polymer composition comprising a homopolymer or copolymer of polypropylene; a layer (B) of a polymer composition comprising a homopolymer of polypropylene; and a layer (C) of a polymer composition comprising: (i) from about 45% to about 80% by weight of a homopolymer or copolymer of polypropylene or mixtures thereof; and (ii) from about 15% to about 40% by weight of an ethylene copolymer made using a metallocene catalyst.

Abstract: The oxygen resin composition of the present invention includes: a thermoplastic resin (a) having carbon-carbon double bonds; a gas barrier resin (b) having an oxygen transmission rate of 500 ml·20 &mgr;m/m2·day·atm or less (20° C. 65% RH); and a transmission matel salt (c). This resin composition and molded articles formed using the resin composition effectively absorb and scavenge oxygen when used to package products susceptible to degradation by oxygen, such as foods and drinks.

Abstract: The present invention relates to membranes including a barrier layer which includes a blend of one or more aliphatic thermoplastic urethanes and one or more polar and partially crystalline materials. Under multi-layered embodiments, the barrier layer is laminated to at least one other layer formed from thermoplastic urethane, wherein the membranes are characterized in that hydrogen bonds are formed between the first layer of thermoplastic urethane and the second layer from the blend of aliphatic thermoplastic urethane and a copolymer of ethylene and vinyl alcohol.

Abstract: A fuel permeation barrier fuel tank for a vehicle includes a tank shell having a wall formed from a plurality of layers. The layers include at least an inner layer, an outer layer and a fuel permeation barrier layer disposed between the inner layer and the outer layer, and a thermoformable layer disposed between the fuel permeation barrier layer and the outer layer to improve permeation resistance of the fuel tank.

Abstract: A blow molded container having barrier properties and including an upper wall portion having an opening, an intermediate sidewall portion positioned beneath the upper wall portion, and a base portion positioned beneath the intermediate sidewall portion to support the container. The container includes a molded outer layer having an inner surface and an outer surface formed from at least 40% of recycled plastic, and a carbon coating formed on the inner surface of the outer layer and adhered thereto and substantially coextensive with the outer layer, wherein said carbon coating has a thickness of less than about 10 microns.

Abstract: A plastic container has a diamond like carbon film 20b formed on the inner surface of the container 20 made of plastic material 20a. The thickness of the diamond like carbon film 20b is within a range from 0.05 to 5 &mgr;m. The container 20 coated with the diamond like carbon film can be used for a returnable bottle for beverage.

Abstract: A fuel permeation resistant fuel tank for a vehicle includes a tank shell having a wall formed from a plurality of layers. The layers include at least an inner layer, an outer layer and a fuel permeation barrier layer disposed between the inner layer and the outer layer and being made of a liquid crystalline polymer (LCP) material.

Abstract: Packaging containers produced from a composite shaped by cold-forming, the term “packaging containers” including base or lid parts or base or lid parts shaped by cold-forming. The base or lid parts can be shaped by cold-forming, and a lid foil or base foil, respectively, can form the corresponding closure for the packaging container. In addition, both the base and the lid part can be shaped by cold-forming, the depressions formed in the base and lid parts advantageously lying opposite one another. Examples of these packaging containers are strip packing or blister packaging for pharmaceutical products.