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.

Abstract: A multilayer material for containing liquid products, specifically for liquid products comprising a hypochlorite bleach is provided. This multi-layer material comprises an inner layer, a layer of adhesive and an outer layer. Said multi-layer material further comprises a bleach resistant adhesive which prevents the degradation of the multi-layer material when exposed to the aggressive action of the hypochlorite bleach or components of said bleach.

Abstract: A rigid, water-soluble container is made of an injection molded poly(vinyl alcohol) and/or a cellulose ether, which container encases a fabric care, surface care or dishwashing composition; and a capsule container comprising at least two components made of one or more material(s) that can be molded and which are water soluble or water dispersible or in which a substantial part of the surface of these components is water soluble or water dispersible so as to leave perforations throughout the wall when the capsular container is placed in contact with an aqueous environment. The container has one to six compartments, preferably one, two or three, the content of the various compartments being accessible to the aqueous environment when the capsular container is exposed to such an aqueous environment.

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: This invention relates to novel airbag coating compositions and systems comprising pre-expanded or non-expandable microspheres that provide effective insulation for the target airbag fabric during exothermic inflation. The inventive airbag fabrics are either pre-calendered prior to application of this composition or are coated through a gap (floating) knife method with such heat-expandable microsphere-containing compositions. The coated airbag fabrics and cushions may then be heated to evaporate the solvent within the coating composition. The resultant fabric thus exhibits the presence of the microsphere constituents of the coating compositions both within the interstices between the individual yarns of the fabric and over the raised yarns of the fabric.

Abstract: A fuel transporting tube including an inner layer which contacts a fuel being transported and which is formed of a polybutylene naphthalate resin, an outer layer which is provided radially outwardly of the inner layer and which is formed of a polyamide resin or a polyolefin resin, and an intermediate layer which is provided between the inner layer and the outer layer and which is formed of a resin to adhere the inner and outer layers to each other.

Abstract: A film laminate is disclosed and comprises a biaxially oriented polyester film and another film laminated onto the polyester film, where the polyester film comprises a base layer at least 80% by weight of which is composed of a thermoplastic polyester, at least one cover layer and a metallic or ceramic layer located on the cover layer, where the cover layer is composed of a polymer or of a copolymer or of a mixture of polymers which comprises at least 40% by weight of ethylene 2,6-naphthalate units, up to 40% by weight of ethylene terephthalate units and, if desired, up to 60% by weight of units of other aliphatic, cycloaliphatic or aromatic diols and/or carboxylic acids, with the proviso that the Tg2 value of the polyester film is greater than the Tg2 value of the base layer but smaller than the Tg2 value of the cover layer.

Abstract: A resin composition comprising a saponified ethylene-vinyl acetate copolymer (A), a polyamide resin having a melting point not exceeding 160° C. (B), and a small proportion of a boron compound (C) and a laminate comprising a multi-lamellar shaped article comprised of the above resin composition layer (X) and a thermoplastic resin layer (Y).

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 invention concerns a coating composition capable of being cold vulcanised (EVF), characterised in that it comprises, in a mixture: (1) at least one polyorganosiloxane having, per molecule, at least two C2-C6 alkenyl groups bound to silicon; (2) at least one polyorganosiloxane having, per molecule, at least two hydrogen atoms bound to silicon; (3) a catalytically effective amount of at least one catalyst, consisting of at least one metal belonging to the platinum group; (4) an adherence promoter; (5) optionally a reinforcing system which can be at least a polyorganosiloxane resin and/or a reinforcing filler; (6) optionally at least one cross-linkage inhibitor; (7) and mineral or organic hollow microspheres.

Abstract: The invention relates to packaging for hygroscopic resin materials, and more particularly the invention relates to methods for packaging a hygroscopic resin composition wherein said method comprises packaging the composition into a mono-layer container comprising polypropylene resin and wherein the container has a wall thickness of between 0.25 mm and 0.6 mm. In a preferred embodiment, the composition comprises at least one resin of the group consisting of polyurethanes, polycarbonates, polyesters, and polyamides.

Abstract: The present invention provides coextruded or laminated multilayer films having at least one layer of a halopolymer such as poly(chlorotrifluoro ethylene) (PCTFE), at least one layer of a naphthalene containing polymer such as poly(ethylene naphthalate) (PEN), and an intermediate adhesive layer. The invention further provides methods of producing oriented, multilayer films which comprise either coextruding or laminating at least one layer of a halopolymer to a surface of at least one layer of a naphthalene containing polymer by an intermediate adhesive layer. The multilayer film may be uniaxially or biaxially stretched, and an optional thermoplastic polymer layer may be attached to another surface of either the halopolymer layer, the naphthalene containing polymer layer, or both, by another intermediate adhesive layer.

Abstract: Thermoplastic multilayer composite, particularly in the form of a multilayer hose, a multilayer pipe or a multilayer container, containing at least one intermediate layer made of a molding compound on the basis of ethylene/vinyl alcohol copolymers between layers made of molding compounds on the basis of polyamide, the intermediate layer being bonded via at least one adhesion-promoting layer made of a molding compound on the basis of polyamide selected from the group of copolyamide 6/12, block copolyamide 6/12, polyamide 612, polyamide 610, a mixture of polyamide 6 and polyamide 12 with compatibilizer, a mixture of polyamide 6 and polyamide 11 with compatibilizer, with at least one neighboring layer made of a molding compound on the basis of polyamide 12, polyamide 11, polyamide 1010, polyamide 1012, or polyamide 1212.

Abstract: Films comprising a first layer, composition of said first layer comprising a blend of an ethylene vinyl acetate copolymer; linear low density polyethylene; a second ethylene vinyl acetate copolymer; and slip; a second layer, composition of said second layer comprising ethylene vinyl acetate copolymer and wherein each first and second layer having two surfaces; a third layer, composition of said third layer comprising vinylidene chloride methyl acrylate and wherein said third layer is disposed between said first and second layer; a fourth layer, composition of said fourth layer being the same as said first layer wherein said fourth layer is adhered to said first layer on the surface opposite said third layer; and a fifth layer, composition of said fifth layer comprising a blend of linear low density polyethylene and low density polyethylene wherein said fifth layer is adhered to said second layer on the surface opposite said third layer are provided for.

Abstract: A sealed composite container is provided having a tubular body member and a liner ply adhered to the inner surface of the tubular body member. An end of the body member and liner ply is rolled outwardly to form a rim and a lid is heat sealed to the rim. A tacky composition is in contact with the rim and the lid and is positioned therebetween. The tacky composition has sufficient tackiness to temporarily hold the lid in place overlying the rim. At least one of the lid and liner ply comprises a seal layer comprising a heat sealable composition. The tacky composition and the heat sealable composition form a heat seal between the lid and the liner ply, the tacky composition being chemically compatible with the heat sealable composition such that a fusion seal is formed therebetween.

Abstract: A peelable, heat-sealable foil for closing containers, for example cups, of synthetic plastics material, in particular polystyrene, consists of one single, biaxially oriented layer of impact-resistant polystyrene, in admixture with a styrene-butadiene-double-blockcopolymer.

Abstract: A precision product container of the present invention comprises a resin composition as a base material, which comprises a polycarbonate resin and an epoxy compound. Such precision product container can remarkably prevent products contained therein from being contaminated by chlorine and is suitable as a container for a precision product which is free from operational errors of the precision product contained therein when this product is subsequently assembled or processed.

Abstract: Disclosed herein is a method for producing a nanocomposite, comprising exfoliating a nanofiller in a first polymer to form a precursor, combining the precursor with a second polymer to exfoliate the nanofiller in the second polymer; and wherein the second polymer is miscible with the first polymer and less than about 10 wt % of the nanofiller exfoliates when mixed directly with the second polymer, and greater than or equal to about 10 wt % of the nanofiller exfoliates in the nanocomposite when the precursor and second polymer are combined. Further disclosed herein is a nanocomposite comprising a first polymer having a nanofiller exfoliated in the first polymer, a second polymer, and wherein the second polymer is miscible with the first polymer and less than about 10 wt % of the nanofiller exfoliates when mixed directly with the second polymer, and greater than or equal to about 10 wt % the nanofiller exfoliates in the nanocomposite when the precursor and second polymer are combined.

Abstract: A multiple layer polymeric film having five layers and wherein an antiblock additive and an slip additive may optionally and independently be present in layers 1, 2, 4 and 5 and wherein said antiblock additive may be a blend of two or more antiblock additives and wherein both of said slip additive and said antiblock additives are present at about 0.1%-10%, based on the total weight of the layer.

Abstract: A multilayer plastic pipe comprising at least three layers, which in turn comprise at least two different polymers, which are a polymer A (barrier layer polymer), which is a particularly good barrier against permeation of the medium to be carried through the pipes embedded in a polymer B (sheathing polymer) in the form of at least one layer which is interrupted at least once by a fillet of polymer B.

Abstract: A structure comprising at least one layer of a polymer (A) comprising: the units (A1) and the units (A2) wherein the A2/(A1+A2) molar ratio is between 0 and 30% is a barrier against oxygen permeation under high relative humidity, making the structure useful for packaging and hollow bodies, such as pipes, bottles and containers.

Abstract: A fluid impermeable foil for use in connection with the wrapping of foodstuffs, cosmetics and other products has a plastic substrate one side of which is coated with a film of metallic material, such as aluminum. The exposed surface of the metallic film is provided with a thin protective layer which contains a wax, a resin, a lubricant and/or another organic material and shields the metallic film from scuffing, corrosion and direct exposure to air and/or moisture. The metallic material of the film is vaporized onto the one side of the substrate, and the organic material of the protective layer is vaporized onto the exposed surface of the film in one or more stages as soon as the vaporization of metallic material upon the substrate is completed.

Abstract: A preform for forming a hollow blow molded plastic container is provided with a closed base, a multilayer body-forming portion extending from the base, and an open neck portion that extends from the body portion. The body portion includes a co-extruded inner liner that includes (a) an innermost polymer layer, (b) at least one oxygen-scavenging layer, and (c) at least one high-oxygen barrier layer for retarding the migration of gases and moisture therethrough. An outermost layer is molded over the inner liner to form a preform. The liner and preform are formed so that the wall thickness of the individual layers can easily be varied along their lengths, however, at any given point along the length of the co-extruded liner (a) the wall thickness of the innermost polymer layer is less than 0.50 of the wall thickness of the inner liner and (b) the wall thickness of the inner liner is less than 0.25 of the total wall thickness of the preform body portion.

Abstract: Coextruded layers of polyamide and fluoropolymer adhere to one another without an intervening tie layer by adhesive activation of polyamide of the polyamide layer, e.g. by incorporating into the polyamide layer a dispersed phase of maleic anhydride-grafted ethylene/propylene/diene copolymer. The fluoropolymer is a copolymer of ethylene with perhalogenated comonomer or a copolymer of tetrafluoroethylene with perfluorinated comonomer.

Abstract: Products in the form of cushioning devices made from flexible membranes employing at least one layer including thermoplastic urethane and at least one layer of a copolymer of ethylene and vinyl alcohol are inflatable to a relatively high pressure. The cushioning devices maintain the internal inflatant pressure for extended periods of time by employing a phenomenon referred to in the industry as diffusion pumping. Ideally, the cushioning devices of the present invention can be permanently inflated with gases such as nitrogen or air.

Abstract: A method of providing photoprocessing services utilizes a packaging system in which photoprocessing solutions are distributed from a source of manufacture to a photofinishing site. The packaging system includes a rigid or semi-rigid outer container and at least one internal container. The internal container includes the processing solution, and can be made of a rigid or flexible material. The internal container may be separable from the outer container or may be in the form of an internal compartment that is integral with the outer container. As an option, the outer container can house a further container that is designed to collect waste or spent solution from the photoprocessing site. With the system of the present invention, a designated supplier entity can follow the packaging system through an entire usage cycle of the system.

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 flexible film for packaging articles such as food is provided. The film comprises a layer of polyvinylidene (“PVdC”) homopolymer, polyvinylidene and methyl acrylate (“PVdC-MA”) copolymer or other polyvinylidene chloride copolymer. A dienophile such as, for example, ethyl trans-cinnamate, methyl trans-cinnamate, dibutyl maleate, dimethyl maleate or maleic anhydride is blended with the PVdC polymer or PVdC-MA copolymer to reduce yellowing of the film caused by degradation of the PVdC or PVdC-MA through heat or electron beam irradiation. Preferably a range of about 0.05% and about 5% by weight of the dienophile is added to the PVdC or PVdC-MA.

Abstract: A multi-layer film includes a structural layer of water-soluble film, and a barrier layer. The barrier layer is affixed to spaced apart discrete areas of the structural layer. The barrier layer has insufficient structural integrity and strength to contain a bag's contents once the structural layer has been dissolved. A bag is formed by overlapping areas of the multi-layer film which do not include the barrier layer, and sealing the overlapping areas to one another.

Abstract: A resilient multi-layer container is configured to receive a quantity of hyperpolarized noble fluid such as gas and includes a wall with at least two layers, a first layer with a surface which minimizes contact-induced spin-relaxation and a first or second layer which is substantially impermeable to oxygen. The container is especially suitable for collecting and transporting 3He. The resilient container can be formed of material layers which are concurrently responsive to pressure such as polymers, deuterated polymers, or metallic films. The container can include a capillary stem and/or a port or valve isolation means to inhibit the flow of gas from the main volume of the container during transport. The resilient container can be configured to directly deliver the hyperpolarized noble gas to a target interface by deflating or collapsing the inflated resilient container.

Abstract: The present invention provides a multilayered structure where an A layer made of an ethylene-vinyl alcohol copolymer resin (A) and a C layer made of a polypropylene resin (C) are laminated via a B layer made of an adhesive resin (B). The ethylene content of the ethylene-vinyl alcohol copolymer resin (A) is 20 to 60 mol %, and the saponification degree of the resin (A) is at least 90%. The melt flow rate (MFR) of the polypropylene resin (C) at 230° C. under a load of 2160 g is in the range from 0.1 to 100 g/10 min, and the stereoregularity index [M5] of the polypropylene resin (C) is at least 0.950. Such a multilayered structure has excellent gas barrier properties and moldability.

Abstract: An oxygen-absorbing multi-layer laminate suitable for preserving food, etc. due to its excellent ability of retaining flavor and taste of food, a method of efficiently producing the oxygen-absorbing multi-layer laminate and a packaging container made of the oxygen-absorbing multi-layer laminate. The oxygen-absorbing agent is interspersed between a first thermoplastic resin layer and a second thermoplastic resin layer, or sandwiched between the integrally bonded first and second thermoplastic resin layers. In the oxygen-absorbing multi-layer laminate having at least three thermoplastic resin layers, the oxygen-absorbing agent is interspersed or interposed between the adjacent layers of at least one adjacent pair. With such a construction, the oxygen-absorbing ability is improved to prolong the storage life of retaining flavor and taste of food.

Abstract: An aromatic polyester composition which comprises 5 to 95 wt % of an ethylene naphthalenedicarboxylate copolymer and 95 to 5 wt % of an ethylene terephthalate (co)polymer and has a compatibility between these polymers of 0.15 to 0.5, and whose melting point lowers depending on the content of ethylene naphthalenedicarboxylate. This composition has excellent compatibility, transparency, barrier properties and heat resistance and is an excellent raw material for forming various molded products, particularly bottles. A bottle and its production process are also disclosed.

Abstract: A laminated packaging material for liquid-tight, dimensionally stable packages has superior gas-barrier properties, particularly oxygen barrier properties. The laminated packaging material includes a core layer and a barrier layer juxtaposed to the core layer. The barrier layer is formed from a polyvinyl alcohol, a polysaccharide and a cross-linking agent, the polysaccharide being chitosan and the cross-linking agent being a dialdehyde compound. A method for making the laminated packaging material is also disclosed.

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 fuel container formed by bonding upper and lower sections, for which both the upper and lower sections are made by thermo-forming a multi-layer sheet that comprises an interlayer of a barrier resin (A) and inner and outer layers of a polyolefin (B), and of which the surface of the innermost layer is coated with a layer of a barrier material (C).

Abstract: The novel polyester (first polyester [A]) of the invention comprises dicarboxylic acid constituent units derived from at least one dicarboxylic acid selected from terephthalic acid, isophthalic acid and naphthalenedicarboxylic acid and diol constituent units derived from diols comprising ethylene glycol and a polyalkylene glycol having a C2-C10 alkylene chain, wherein the proportion of constituent units derived from the polyalkylene glycol is 0.001 to 10% by weight based on the diol constituent units. The polyester [A] has an excellent crystallization rate, is suitably used, singly or as compositions together with another polyester [B] and/or other polymers, for production of molded products such as films, sheets, laminates, preforms and bottles, which have excellent thermal, gas barrier and transparency properties.

Abstract: A powder of a barrier material (B) is, after having been melted, applied to a substrate of a polyolefin (A) according to flame spray coating process to give a shaped article, in which the barrier material (B) firmly adheres to the polyolefin (A) even when the surface of the substrate is not subjected to primer treatment. The shaped article is favorable to components to fuel containers, fuel tanks for automobiles, fuel pipes, etc.

Abstract: A container incorporating post-consumer recycled (“PCR”) plastic and a method of making that type of container. The container utilizes a layer of polypropylene or EVOH or a film of fluorinated polyethylene toward the interior from the recycled plastic to prevent contaminants from the latter entering the container's contents. When utilizing EVOH, the container usually has an additional layer of polyethylene or polypropylene covering the EVOH to prevent its deterioration by moisture. Making the container involves first composing a resin including the recycled plastic. Forming the various layers listed above produces a container that includes recycled plastic and a barrier to limit the migration of contaminants from the recycled material to the container's contents. This permits the use of the resulting containers for food. For a fluorinated polyethylene film, fluorination can occur either during or after the container's formation.

Abstract: A polymeric film structure having one or more polymeric layers wherein an oxygen scavenging composition is affixed to the inside surface layer of the structure. The structure having usefulness in the packaging of foods and non-food articles wherein an oxygen free or a relative oxygen free environment is desirable for the contained article. The oxygen scavenging composition comprising a primer layer; a pigmented layer, an oxygen scavenger layer and an overcoat layer wherein each layer is applied one or more times to the polymeric film structure by a printing method preferably a flexographic printing process.

Abstract: A coated substrate and methods of making and using coated substrates, wherein the coated substrate comprises a coating consisting essentially of a layered mineral, a thermoplastic polymeric substrate having pendant groups receptive to said layered mineral, and wherein said pendant groups are coordinated metal groups, or are groups which can be bonded to coordinating cations or anions, or pendant groups directly receptive said layered mineral. The coated substrate is less permeable to gases, such as oxygen and carbon dioxide.

Abstract: A blow molded multi-layer container is provided having an upper wall portion, including an opening; an intermediate sidewall portion positioned beneath the upper wall portion; and a base portion positioned beneath the intermediate sidewall portion, the base portion being adapted to dependently or independently support the container. The container includes (i) a molded inner layer formed from a plastic material, the inner layer having a vertical length and a carbon-treated inner surface; and (ii) a molded outer layer formed from recycled plastic that is substantially coextensive with the inner layer. The recycled outer layer comprises at least 40% by weight of the overall weight of the container, but can comprise more than 90% by weight, depending upon the needs of the application. In a preferred embodiment, the thickness of the inner and/or outer layers is controllably adjusted along their respective vertical lengths.

Abstract: Polyester resin foamed sheet, mono e biaxially stretched usable for the production of containers for beverages and foods, having a density lower than 700 kg/m3 and a crystallization rate such that, when the sheet is heated at 120° C. for 5 minutes, the crystallinity does not exceeds 15%. The aromatic polyester resin used for preparing the foamed sheet can be mixed with an aliphatic polyester resin to impart biodegradability and/or compostability to the sheet or with 1-10% by weight of a polyamide.

Abstract: A resin composition comprising (A) a polyolefin resin, (B) a vinyl alcohol copolymer and (C′) a block copolymer composed of a polymer block of an aromatic vinyl compound and an isobutylenic polymer block, the weight ratio of (A) to (B) ranging from 100/10 to 100/1000 and the weight ratio of (C′) to [(A)+(B)] ranging from 5/100 to 1000/100 is a flexible resin material having high gas barrier properties, good heat resistance and good moldability or formability so that it is useful as a material for various molded or formed articles.

Abstract: The present invention provides a non-PVC, non-DEHP material that can be used for medical grade tubing. Additionally, the present invention provides medical grade tubing made from such a material.

Abstract: Compositions having improved gas/vapor barrier qualities are described. The compositions are composed of a substantially non-polar resin and a lamellar filler, the lamellar filler delaminating under high shear, to increase its aspect ratio. Also described are compositions composed of a non-polar thermoplastic resin filled with platelets of talc having an aspect ratio of at least 5; the platelets have an average aspect ratio of between 16-30 and a CIE whiteness index of at least 40.

Abstract: A container, desirably blow molded or extrusion molded, said 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 first layer having an inner surface and an outer surface formed from high density polyethylene, and a carbon coating formed on the inner surface of the first layer and adhered thereto and substantially coextensive with the first layer, wherein said carbon coating has a thickness of less than about 10 microns.

Abstract: The present invention provides a multiple layer thermoplastic structure of a (1) skin layer selected from the group consisting of polypropylene, ethylene homopolymers having a density of from about 0.930 g/cc to about 0.960 g/cc, and ethylene homopolymers having a density of from about 0.930 g/cc to about 0.960 g/cc blended with an ethylene and a-olefin copolymers having a density less than about 0.930 g/cc, the skin layer having a thickness of greater than about 3.0 mils; (2) a radio frequency susceptible layer adhered to the skin layer, the radio frequency susceptible layer having a dielectric loss greater than 0.05 at 1-60 MHz and at temperatures of ambient to 250° C.

Abstract: A coated membrane for use in controlling the oxygen and carbon dioxide ratio inside of a package that holds respiring produce such as fruits, vegetables or flowers. The coated membrane comprises a porous substrate, such as a polypropylene film, and has an oxygen permeance in the range of 5,000 to 30,000,000 cc/100 in2-atmosphere-day. The substrate is coated with a material that is substantially impermeable to oxygen, such as an acrylic emulsion, so that the amount of substrate surface area covered with the coating causes a decrease in the oxygen permeance of the substrate. The coating is applied to the substrate using a flexographic or rotogravure or rotary silkscreen process. An aperture of approximately 0.15 mm is placed in the coated membrane to allow the internal pressure to approximate the external pressure without a significant loss of relative humidity.

Abstract: An article of manufacture includes an oxygen scavenger and a zeolite. The article can be in the form of e.g. a film or sealing compound. A package can be made from the article for containing an oxygen-sensitive article such as food. The zeolite reduces migration of odor causing by-products of the oxygen scavenging process. A method of making an article of manufacture having reduced migration of by-products of an oxygen scavenging reaction includes providing an article including an oxygen scavenger and a zeolite; and exposing the article to actinic radiation.