Abstract: A flexible rubber article such as a neck or cuff seal (1) for a drysuit is made of natural rubber in a conventional way, by dipping a former into a sensitized rubber latex. The application describes applying a thin thermoplastics layer e.g. about 25 &mgr;m thick on the surface of the natural rubber so that it can conveniently be welded to another thermoplastics component such as a hot-melt tape. The thermoplastics layer (4,5) may cover the whole or only a marginal part of the rubber article. It may be formed by dipping into a thermoplastics latex. The thermoplastics layer may cover the whole or only a margin of the rubber article. Polyurethane is one suitable material. By providing a non-tacky weldable region the invention is more convenient to use than previous proposals using adhesives.

Abstract: The present invention relates to breathable film compositions and processes for producing such compositions. The breathable films comprise a polyolefin continuous phase and a polystyrene dispersed phase. Said films are useful in many applications including diapers and other personal hygiene devices.

Abstract: High-density, miniaturized arrays including high surface areas. Arrays described include substrate with a coating of linking agents, as well as arrays with reactants affixed to the substrates. Methods of manufacturing high-density arrays of reactants. The methods include the use of oriented, heat shrink films and elastomeric materials. Methods of functionalizing a substrate with linking agents for subsequent affixation of reactants are also disclosed herein.

Abstract: A thermoplastic multi-layer film with an even number of layers containing first and second outermost layers each containing ethylene-vinyl acetate copolymer having between 14 and 22 wt. % vinyl acetate, first and second inner layers each containing vinylidene chloride copolymer, and first and second contiguous layers separating first and second inner layers from each other, each layer containing ethylene-vinyl acetate copolymer.

Abstract: An olefinic thermoplastic elastomer capable of producing a sheet applicable for preparing a covering skin sheet for interior furnishings in automobile superior in the formability, heat resistance, mechnical properties, tensile characteristics, strain restorability and repulsive elasticity together with superior grain retention performance upon a male vacuum forming of the sheet, the said olefinic thermoplastic elastomer comprising an olefinic resin and an olefinic copolymer rubber and having a characteristic feature that it satisfies, when a grained sheet made of the said elatomer is subjected to a male vacuum forming at least at a point of sheet temperature within the range of 130-150° C., the condition that the grain retention rate expressed by the proportion of the grain depth of the sheet retained after the male vacuum forming relative to the grain depth before the male vacuum forming represented by percent meets the relation defined by the following equation (1) % retention of grain≧100−2.

Abstract: A films composite useful for various printing methods, and particularly UV ray flexographic printing, includes a top layer formed on a substrate film made from a synthetic polymer, particularly polypropylene, containing a binder resin and having an arithmetical mean roughness Ra of 0.2 to 3.5 determined in accordance with JIS B 0601 and, optionally, an anchor layer formed between the substrate film and the top layer and containing an adhesive resin and an adhesive undercoat layer formed between the substrate film and the anchor layer and containing an adhesive resin.

Abstract: A heat shrinkable film suitable for use in cook-in applications is provided which exhibits a transverse direction free shrink at 50° C. of less than about 2% and a transverse direction free shrink at 57° C. of at least about 3%. The food contact layer includes a polymer having a surface energy of at least about 0.034 J/m2 and a second layer includes at least one member selected from the group consisting of polyester, polyvinylidene chloride, polyamide and polyalkylene carbonate. Preferably, the desired shrink properties are attained by annealing the film under controlled conditions.

Abstract: The present invention provides a resin composition comprising 100 parts by weight of a methyl methacrylate resin or styrene resin, about 0.1 to about 20 parts by weight of a light diffusing agent, about 0.0005 to about 0.1 parts by weight of an ultraviolet absorber selected from the group consisting of 2-(1-arylalkylidene) malonates and oxalanilides, and about 0.0001 to about 0.01 parts by weight of a phosphor. This resin composition is used as a material of a light diffusing member showing excellent light diffusible transmittance, having excellent durability and manifesting suppressed yellowing of transmitted light. Further, a laminated plate obtained using this resin composition is suitably used as a lighting cover, light diffusing plate for liquid crystal displays, illumination sign board or the like for which light transmittance and light diffusing property are required and durability is desired.

Abstract: A multilayer film suitable for cook-in end use includes an outer layer that includes a homo- or co-polymer of propylene and, directly adhered to the outer layer, a layer that includes at least one of: (a) an ethylene/alkyl acrylate copolymer having a high melting point, (b) propylene/&agr;-olefin copolymer having a lower propylene mer content than the outer layer and having a high Vicat softening point, and (c) an ethylene/vinyl acetate copolymer with at least 15% vinyl acetate mer content. The film exhibits good seal strength and good adhesion between the two layers, even in areas where the film is sealed, even after the film is oriented, even when the film is subjected to the elevated temperatures involved in cook-in procedures, and even where the film is subjected to, e.g., grease from fatty foods. The film also can include one or more other layers including, for example, bulk layers, O2-barrier layers, and/or abuse layers.

Abstract: Disclosed is a resin sheet having a resin layer comprising a copolymer of ethylene and/or &agr;-olefin and a vinyl compound (I) defined below or a vinyl compound (II) defined below:

Abstract: High-density, miniaturized arrays including high surface areas. Arrays described include substrate with a coating of linking agents, as well as arrays with reactants affixed to the substrates. Methods of manufacturing high-density arrays of reactants. The methods include the use of oriented, heat shrink films and elastomeric materials. Methods of functionalizing a substrate with linking agents for subsequent affixation of reactants are also disclosed herein.

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 composite film is provided by providing a polypropylene or other base resin layer, laminating a first covering layer of a resin composition (1) comprising the following components (A), (B), (C) and (D) to one side of the base resin layer and a second covering layer of a resin composition (2) comprising the components (A) and (D) to the other side of the base resin layer, which composite film is optionally stretched. The resin composition (2) may contain component (C).

Abstract: A novel composition of a materials that can be extruded into sheets to form panels to create a roofing system wherein the panels are formed to interlock with like panels in order to provide a substantially weatherproof covering on a roof. The sheet member has a top layer made of ASA (Acrylonitrile/Styrene/Acrylate polymer) and a bottom layer made of PVC (Polyvinylchloride). The two layers are extruded and bonded or preferably coextruded. Then the bonded materials are thermoformed to resemble more popular types of roof coverings such as shake or shingles or tiles.

Abstract: A cationically stabilized emulsion polymer is disclosed which comprises a combination of at least one polymerizable monomer which is uncharged or positively charged in an aqueous solution having a pH between 1 and 8, polymerized in the presence of at least one water-soluble polymer having a number-average molecular weight greater than 5000 which comprises a moiety selected from the group consisting of primary amines, secondary amines, tertiary amines and quaternary ammonium salts. Coating compositions containing the cationically stabilized emulsion polymer and plastic films thus coated are also disclosed.

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: Copolymeric binders for use in paperboard-coating compositions are provided, which exhibit lower gel content than the latices employed in conventional paperboard-coating compositions. Paperboard-coating compositions incorporating the copolymeric binders of the present invention exhibit improved glueability. More specifically, paperboard coated with the composition of the present invention requires less time to develop backside fiber tear in comparison to conventional paperboard, at no sacrifice to the remaining paperboard properties.

Abstract: A laminate film comprising a polyolefin polymer layer having a surface treated by a flame or corona discharge treatment method and biaxially oriented at about 5.5-10.0 stretch ratio in the machine direction and about 7.0-12.0 stretch ratio in the transverse direction which imparts superior machine direction tensile properties such as Young's modulus of about 350,000 to about 400,000 psi or greater, elongation of 120% or less, and tensile strength of about 27,000 to about 30,000 psi or greater; and a metal layer having an optical density of at least about 1.8 deposited on said treated surface of said polyolefin-based resin layer.

Abstract: A stretch film heat-sealable to polystyrene-based material comprising a first outer heat-sealing layer, a second outer layer and at least an intermediate layer, comprising in the first outer heat-sealing layer a TPE-S such as a styrene-butadiene-styrene block terpolymer (SBS) or a hydrogenated derivative thereof. Also described are packages made with the new stretch film.

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 composite containing an ABS component is disclosed.

Abstract: The invention relates to pipes for conveying drinking water, including a main layer made of polyolefin covered on the outside with a layer of a thermoplastic polymer which is impervious to hydrocarbons, such as, for example, polyamides, polyvinylidene fluoride, ethyl/vinyl alcohol copolymers or polyesters. These pipes are particularly useful for pipes buried in soils that may be contaminated with hydrocarbons.

Abstract: The present invention has a main object to provide a transparent conductive heat sealing material of which antistatic property does not deteriorates even at a low humidity, and has a transparency to an extent of permitting visual recognition of the contents and a carrier tape lid using the same. To achieve this object, the transparent conductive heat sealing material of the invention is characterized by a heat-sealable synthetic resin, and conductive fine particle having a 50% particle size of up to 1.0 &mgr;m.

Abstract: A squeezable, multi-layer, structurally self-supporting container capable of dispensing a controlled amount of a liquid product. The container comprises an external layer of a polyolefin material, an internal layer formed of a polyolefin material, and an intermediate layer positioned between the external layer and the internal layer. The intermediate layer is formed of a barrier material blended with an adhesive resin and a carrier.

Abstract: A multilayer film including an outer layer that includes a homo- or interpolymer of propylene and, directly adhered to the outer layer, a layer that includes a homogeneous ethylene/&agr;-olefin interpolymer having a density of no more than about 0.91 g/cm3 exhibits good seal strength and good adhesion between the two layers, even in areas where the film is sealed, even after the film is oriented, even when the film is subjected to the elevated temperatures involved in cook-in procedures, and even where the film is subjected to, e.g., grease from fatty foods. The film also can include one or more, for example, bulk layers, O2-barrier layers, and/or abuse layers.

Abstract: A thermoplastic film comprising a core layer comprising a polyolefin wherein the core layer comprises the interior of the film; and a first skin layer comprising a silicone grafted polymer, wherein the first skin layer is exterior to the core layer.

Abstract: Multilayer films are contemplated. Specifically, films containing 3, 4, 5, 6 or more layers. Anti-block will be included in a tie layer, contiguous to a skin layer and a core layer. The film may contain one or two skin layers. If there are two tie layers, the anti-block may be found in one or both. Metallized films made from the multilayer films are also contemplated. Use of the multilayer films in packaging, imaging, or labeling, is further contemplated.

Abstract: A multilayer matte film is described. The film has a core layer and one or more matte layers on its surfaces. Additionally, each one or more matte layers may have a skin layer or layers contiguous to the matte layer. Use in packaging, labeling or imaging is contemplated.

Abstract: A multi-ply panel for a suitcase includes a face ply having at least two pieces of thermoplastic material in different colors and being hot pressed to bond the pieces to each other and form a seam. A hot press medium is arranged in the seam of each of the two pieces of thermoplastic material to connect the pieces more securely. An inner ply has a first side secured on one side of the face ply and a second side. A bottom ply has one side secured on the second side of the inner ply. The means of connecting the pieces of the face ply in the present invention is different from means used in the prior art so that the seam can be straight, curved or wavy to make the face ply looking more vivid and vigorous.

Abstract: The present invention provides the method of manufacturing the artificially figured veneer or artificially figured board at high productivity with the expression of the grain and figure of natural wood in very similar form observed in natural woods, in addition to normal grain of natural wood.

Abstract: A composition includes greater than 50% by weight such as between 51% and 99% by weight, of a first PVdC copolymer having a weight average molecular weight of between 80,000 and 125,000, and less than 50% by weight, such as between 1% and 49%, by weight of a second PVdC copolymer having a weight average molecular weight of between 126,000 and 180,000, the weight percent of each of the first and second polymers based on the combined weight of the first and second polymers. A film includes at least one layer having the above composition. A film can have at least one layer including a blend of a first vinylidene chloride polymer and a second vinylidene chloride polymer, the film having a free shrink ratio of between 0.6 and 2.2 at a shrink temperature of 180° F., or a free shrink ratio of between 0.8 and 1.4 at a shrink temperature of 200° F. Methods of making the film of the invention are also disclosed.

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 thermoplastic multi-layer film for forming hermetic seals on packages comprising layer A comprising polyethylene, layer B comprising polypropylene, layer C comprising a copolymer, and an adhesion promoting coating applied to layer C.

Abstract: The present invention provides processes by which a polymeric hydrogel can be securely adhered to a substrate to form a hydrogel laminate with greatly improved delamination resistance. The laminate is formed by casting onto a polymeric adhesive-coated substrate an aqueous solution of hydrophilic polymer, then exposing this composite to ionizing radiation which cross-links the hydrophilic polymer to form a hydrogel and also induces copolymerization of the hydrophilic polymer and the adhesive polymer.

Abstract: A multilayer film facestock for labels is described which comprises a base layer having an upper surface and a lower surface, and at least a first skin layer bonded to the upper surface of the base layer by a tie layer wherein the base layer comprises a propylene homopolymer or copolymer, or a blend of a propylene homopolymer and at least one propylene copolymer, and the first skin layer consists essentially of at least one polyethylene having a density of about 0.940 g/cm3 or less, wherein the multilayer facestock is not oriented. Adhesive containing multilayer labelstocks for use in adhesive labels also are described which comprise the multilayer film facestock described above and an adhesive layer adhesively joined to the lower surface of the base layer. Labels prepared from the facestock and the labelstock also are described.

Abstract: The present invention is a high barrier multilayer film particularly suitable for packaging. The high barrier multilayer film is a film including (a) a core substrate layer having an isotactic polypropylene produced from Ziegler-Natta catalysts, and (b) an adjacent layer on at least one surface of the core substrate layer, wherein the adjacent layer (b) comprises an isotactic polypropylene produced from metallocene catalysts; or the high barrier multilayer film includes (a′) a core substrate layer having an isotactic polypropylene produced from metallocene catalysts, and (b′) an adjacent layer on at east one surface of the core substrate layer, wherein the adjacent layer (b′) comprises an isotactic polypropylene produced from Ziegler-Natta catalysts.

Abstract: The present invention pertains to elastic films having at least one layer comprising a substantially random interpolymer or a blend thereof. The interpolymer comprises polymer units derived from at least C2-20 &agr;-olefin and (i) at least one vinyl aromatic monomer, or (ii) at least one aliphatic or cycloaliphatic vinyl or vinylidene monomer, or (iii) a combination of at least one aromatic vinyl monomer and at least one aliphatic or cycloaliphatic vinyl or vinylidene monomer. The interpolymer may also comprise one or more ethylenically unsaturated polymerizable monomers other than those previously mentioned. The elastic films have a recovery in the cross direction of greater than or equal to about 80% and has a recovery in the machine direction of greater than or equal to about 60%.

Abstract: A metallized composite comprising a first thermoplastic layer, a discontinuous intermediate layer comprising discrete islands of metal in an adhesive, and a second thermoplastic layer. The metallized composites of the invention can be employed as reflective surfaces, such as are used as mirrors or substitutes for chrome trim on automobiles. A particularly preferred metal as a component of the discontinuous layer of the composite is indium.

Abstract: A multi-layer gas- and odour-barrier film comprising a gas- and odor-barrier layer a) and at least one outer layer b) comprising a blend of an ethylene-vinyl acetate copolymer, an ethylene-alkyl-acrylate or alkyl-methacrylate copolymer and from about 1 to about 15% by weight on the overall weight of the blend of a silicone elastomer.

Abstract: A laminated film includes an outer-layer-film, a water-soluble film, and an intermediate layer interposed between the outer-layer-film and the water-soluble film. The intermediate layer contains high-pressure polyethylene oxidized to a prescribed degree on a surface thereof contiguous to the water-soluble film. The outer-layer-film and the intermediate layer adhere fast to each other. The intermediate layer and the water-soluble film directly contact each other and adhere so weakly to each other as to be peelable.

Abstract: The flexible, weatherable decorative sheet material provided by the present invention comprises a thermoformable decorative paint film having an inner surface and a weatherable, low gloss outer surface suitable for forming an exterior finish for a part, such as an automobile body part. The sheet material further includes an extensible mask layer releasably adhered to the outer surface of the paint film to form a protective film overlying the paint film. The mask layer comprises a film-forming polymer component and a particulate filler, such as silica, dispersed in the polymer component. A method of constructing the decorative sheet material, a method of controlling the gloss appearance of a paint film, and a composite shaped part including the decorative sheet material are also provided.

Abstract: A composition useful as a primer layer for a vinyl backed adhesive tape comprising at least one epoxidized conjugated diene polymer having a minimum concentration of epoxidized units of at least about 3% provides increased anchorage of an adhesive to the plasticized vinyl backing.

Abstract: The present invention provides halopolymer-containing multicomponent structures comprising at least one halopolymer layer and at least one adhesive layer. The adhesive layer comprises a base polymer having at least one functional moiety selected from the group consisting of unsaturated acids and anhydrides thereof, amines and epoxy compounds, wherein said adhesive layer has an ASTM D-2240 shore hardness number of less than about 25 in the D scale and less than about 75 in the A scale. Multicomponent structures such as films, tubing, sheet and injection molded and blow molded articles prepared with these adhesives exhibit superior adhesion as well as the excellent barrier properties typically associated with halopolymer-containing multicomponent structures. A method of improving the adhesion of halopolymers is disclosed as well.

Abstract: This composite uses the bonding of PVC to a variety of materials, from cloth to concrete, by the simple laying of the PVC surface to the other surface without the use of conventional wet, tacky, intermediate layer or layers of conventional adhesives. A simple preapplication of a chemical intermediate to the second surface in latex form and dried to a nontacky state is done. This is followed in any length of time thereafter with the simple contact of both surfaces, one to the other. A mild to aggressive tack bond, or a hard permanent joining of both surfaces is achieved. This bond is formed by the polar attraction of certain acrylics to the plasticizers in the PVC.

Abstract: This invention provides high barrier and chemical resistant multi-layer laminates. More specifically, this invention provides multi-layer laminates comprising at least one A-B double layer structure, characterized in that film layer A comprises at least one monovinylarene/conjugated diene block copolymer and film layer B comprises at least one polyvinylidene chloride.

Abstract: A multilayer plastic composition having (I) an outer layer of a thermoplastic molding composition and (II) an inner layer of an electrically conductive thermoplastic molding composition containing graphite fibrils, which are useful for the transport of (petro) chemical materials and also in the motor vehicle sector for conveying brake, cooling and hydraulic fluid and also fuel.

Abstract: Herein is disclosed multilayer packaging articles comprising an oxygen barrier layer comprising ethylene/vinyl alcohol copolymer (EVOH) (an “EVOH oxygen barrier layer”); an oxygen scavenging layer adjacent thereto, wherein the oxygen scavenging layer comprises a polymer comprising an ethylenic backbone and a cycloalkenyl group having structure I: 1

Abstract: Coated multilayer polyethylene films having improved sealability and barrier properties are provided. The films include a substrate which has been oriented in the machine direction to a degree of from about 5:1 to about 8:1 and in the direction transverse to the machine direction to a degree of from about 6:1 to about 15:1, and a coating selected from the group including polyvinylidene chloride, low temperature seal coating, polyvinyl alcohol polymer and acrylic coating. The substrate has a high density polyethylene base layer and at least a first skin layer adhered to a first side of the base layer.

Abstract: A polymeric resin is disclosed in the form of beads or particles having a coating thereon which renders the resin blood compatible. The resin comprises divinylbenzene monomer which has a porosity, pore size, and surface area suitable for absorbtion of unhealthy components of blood, such as &bgr;-2-microglobulin.

Abstract: This composite uses the bonding of PVC to a variety of materials, from cloth to concrete, by the simple laying of the PVC surface to the other surface without the use of conventional wet, tacky, intermediate layer or layers of conventional adhesives. A simple preapplication of a chemical intermediate to the second surface in latex form and dried to a nontacky state is done. This is followed in any length of time thereafter with the simple contact of both surfaces, one to the other. A mild to aggressive tack bond, or a hard permanent joining of both surfaces is achieved. This bond is formed by the polar attraction of certain acrylics to the plasticizers in the PVC.