Abstract: An outer packaging material for a battery or capacitor includes, a base layer, a barrier layer, an adhesive layer and a sealant layer which are sequentially laminated, has high adhesion between the barrier layer and the adhesive layer and is a good moisture barrier. The adhesive layer includes a maleic anhydride-modified polypropylene, wherein ? and ?, defined below, satisfy all the following conditions: ??0.09; ??10; and ???2.0; wherein a represents a ratio (A1790/A840) of a peak height (A1790) at 1790 cm-1 to a peak height (A840) at 840 cm-1 in infrared absorption spectrum of the maleic anhydride-modified polypropylene and ? represents a thickness of the adhesive layer in ?m.

Abstract: A process for in-line laminating a heavy-gauge transparent polymer sheet with a pre-pre-formed polymer film to produce a laminated polymer sheet. The pre-formed polymer film can impart one or more aesthetic or functional elements to the heavy-gauge polymer sheet. The resulting laminate can have equivalent, or enhanced, properties as compared to conventionally-prepared laminates and can be formed into a variety of articles with multiple end uses.

Abstract: A composite prepreg base which includes a raw prepreg base comprising a fiber sheet comprising discontinuous reinforcing fibers arranged in one direction and having a fiber length of 1-300 mm and a matrix resin infiltrated into the fiber sheet; and an additional resin layer formed on at least one surface of the raw prepreg base. The composite prepreg base is produced by a process including (i) the step of preparing the raw prepreg base and (ii) the step of forming an additional resin layer on at least one surface of the raw prepreg base prepared. Also provided are: a layered base including two or more sheets of the composite prepreg base which have been superposed so that the additional resin layer is present on at least one surface; and a fiber-reinforced plastic formed by heating and pressing the layered base.

Abstract: A protective member (14) and a nozzle assembly (11) incorporating the protective member (14) are provided. The protective member (14) is for use with a nozzle (12) having a strand guide passageway (18) for receiving a strand (16) of material. Protective member (14) comprises a body (60) configured to be received in the strand guide passageway (18) of the nozzle (12). The body (60) of the protective member (14) has a passageway (63) for the strand (16) and is disposed between the strand guide passageway (18) and the moving strand (16). The body (60) of the protective member (14) is composed, at least in part, of a material having a wear resistance sufficient to resist wear caused by the strand (16) being guided thereby. Alternatively, a portion of the body (60) may be coated with a material having a wear resistance sufficient to resist wear caused by the strand (16).

Abstract: A flange design providing improved strength, fracture resistance, and the like using corrugations extending substantially radially from an arbot aperture toward a rim portion. A spool or reel may include a tubular member to receive a stranded material wrapped therearound. A first flange comprising a core portion and an outer portion may secure to one end of the first flange engaging the tubular member. A second flange may secure to the other end of the tubular member. The core portion of a flange may comprise an arbor wall defining the perimeter of an arbor aperture. The arbor wall may be directly contacted and supported by a plurality of corrugations extending radially therefrom. The outer prortion of a flange may contact the core portion and extending radially away therefrom to an outer edge to restrain the stranded material in an axial direction.

Abstract: Provided are biodegradable polylactic acid based film compositions. In one form, the film composition provided includes from 90 to 99 wt. % of one or more polylactic acid resins and from 1 to 10 wt. % of one or more polyterpene resin additives based on the total film structure. The film exhibits a lower water vapor transmission rate. Also provided are methods of making and using such film compositions.

Abstract: A device for detecting a shifted position of a lever includes a sensor package, relative to which a magnetic carriage is displaceable, which sensor package is accommodated in a sensor housing. An air gap between the sensor package and the side of the magnetic carriage facing the sensor package is minimized using inserts which are integrated into the sensor housing.

Abstract: The pressure sensitive adhesive tape of this invention comprises a first layer of polymeric material, particularly a polyvinyl chloride, having a Shore A Hardness of between 92 and 100 and a second layer of adhesive material attached to a surface of the layer of polymeric material.

Abstract: The present invention relates to generating a film suitable for medical packaging. The film is generated by blown film co-extrusion to form a multi-layer film which has a heat resistant layer, a barrier layer and a heat seal layer. The barrier layer includes a high barrier resin and a branched co-polymer. The high barrier resin has a density of at least 0.963 g/cm3. The barrier layer includes between 25% and 85% high barrier resin. The heat resistant layer may be comprised of polymers, papers and other materials. The heat seal layer, in some embodiments, comprises any of high density polyethylene and medium density polyethylene, or a combination thereof. In some embodiments, an additional laminate layer may be affixed to the heat resistant layer of the multi-layer film. The final film is between 3.0 and 3.8 mils in thickness, and has a moisture vapor transmission rate of less than 0.08.

Abstract: A cable jacket that comprises first and second jacket layers each formed of a jacket material. At least one shielding tape is embedded between the first and second jacket layers. The shielding tape is formed of a substrate material and the substrate material has at least one conductive segment.

Abstract: Disclosed herein are methods of preparing a composite sheet material having strength and barrier properties suitable for use as a housewrap, the methods comprising extrusion coating a polyolefin film layer onto a surface of an area-bonded, spunbond nonwoven substrate to form a composite sheet material, the composite sheet material having a grab tensile strength of at least 178 Newtons in at least one of the machine direction (MD) or the cross-machine direction (CD), and stretching the composite sheet material to impart to the composite sheet material a hydrostatic head of at least 100 cm, and a moisture vapor transmission rate (MVTR) of at least 35 g/m2/24 hr at 50% relative humidity and 23° C.

Abstract: The present invention relates to a method for producing three-dimensional plaster objects via thin layer deposition. The inventive method comprises steps of depositing a layer of a calcium sulfate hemihydrate slurry onto the surface of a support in a predetermined pattern and activating the slurry with an activating agent so as to accelerate the setting reaction of calcium sulfate hemihydrate and water to form set calcium sulfate dihydrate. The depositing and activating steps can be repeated as necessary until the desired three-dimensional plaster object is formed.

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 pallet is made from thermoformed polymeric sheets with an attached communications device. A further aspect of the present invention includes a radio frequency identification device attached to an apparatus. In still another aspect of the present invention, a communications device is incorporated into one or more sheets of a pallet or other container prior to forming. Methods of making and using a thermoformed pallet and container having a communications device are also provided.

Abstract: One embodiment relates to an article and a method for producing an article including a plurality of substrates, and an adhesive bonded between at least two of the plurality of substrates. The adhesive can include a polycarbonate copolymer that includes reacted resorcinol, siloxane, and bisphenol-A. Another embodiment relates to an article having a first polyimide substrate, a second polyimide substrate, and an adhesive bonded between the first substrate and the second substrate. The article can have a 2 minute integrated heat release rate of less than or equal to 65 kilowatt-minutes per square meter (kW-min/m2) and a peak heat release rate of less than 65 kilowatts per square meter (kW/m2) as measured using the method of FAR F25.4, in accordance with Federal Aviation Regulation FAR 25.853(d).

Abstract: A light source device for a backlight module, including a heat sink; and a light bar including a plurality of light emitting diodes (LEDs) and a substrate on which the LEDs are electrically provided. The substrate is bonded to the heat sink via a bonding portion through which heat generated by LEDs is transferred to the heat sink. Also, a method for manufacturing a light source device, including providing a light bar having a plurality of LEDs thereon; providing a heat sink; and bonding a substrate of the light bar to an upper surface of the heat sink such that they are integrated firmly into one piece. In this way, the heat dissipation effect can be improved by means of preventing the substrate of the light bar from deforming and further separating from the heat sink.

Abstract: A method for producing a vinylidene fluoride resin film having excellent transparency, weather resistance, chemical resistance, break resistance and formability is provided. The film is shaped by sandwiching a vinylidene fluoride resin in a molten state between rollers or metal belts so as to let them cool down, thus realizing polyvinylidene fluoride with a fine average spherocrystal diameter. Thus, the vinylidene fluoride resin film having the above-stated properties can be obtained.

Abstract: A method of manufacturing a cementitious composite including: (1) mixing an extrudable cementitious composition by first forming a fibrous mixture comprising fibers, water and a rheology modifying agent and then adding hydraulic cement; (2) extruding the extrudable cementitious composition into a green extrudate, wherein the green extrudate is characterized by being form-stable and retaining substantially a predefined cross-sectional shape; (3) removing a portion of the water by evaporation to reduce density and increase porosity; and (4) heating the green extrudate at a temperature from greater than 65° C. to less than 99° C. is disclosed. Such a process yields a cementitious composite that is suitable for use as a wood substitute. Particularly, by using higher curing temperatures for preparing the cementitious building products, the building products have a lower bulk density and a higher flexural strength as compared to conventional products.

Abstract: A multi-layer sheet material includes at least one textile substrate layer, at least one foamed layer made of polyvinyl chloride containing plasticizer, at least one cover layer made of polyvinyl chloride containing plasticizer, and at least one coating layer facing outward on the cover layer. The invention further relates to a method for producing the multi-layer sheet material and to an interior trim part made of a sheet material for a vehicle. For a reduced tendency to yellow under high-temperature aging and for greater color fastness, the polyvinyl chloride fraction in the cover layer is based at least 50 wt% on a polyvinyl chloride that was produced according to the method of suspension polymerization (S-PVC), and the composition for the cover layer comprises a calcium hydroxide stabilizer and/or a Ca/Zn stabilizer that contains 1 to 3 wt% calcium and 1 to 2 wt% zinc.

Abstract: Multi-layer structures including an oriented multi-layer polymeric film wherein the multi-layer film includes a heat sealable skin layer that includes a matte resin composition and 0.5 to <50.0 wt % of an elastomer selected from propylene based elastomers, ethylene-based elastomers and mixtures thereof, wherein the elastomer or mixture thereof has a Vicat softening temperature of >50° C.; wherein the heat sealable skin layer has a Haze >45.0 % and a 45° Gloss <20.0 and a core layer comprising a polypropylene homopolymer or mini-random copolymer in surface contact with the heat sealable skin layer are disclosed. Optionally, the multi-layer structures can also include a substrate in surface contact with the oriented multi-layer polymeric film. Methods of making such multi-layer structures and articles made therefrom are also disclosed.

Abstract: The present invention provides a laminate film for coating metal sheet for screen board comprising: a layer of which elastic modulus at 180° C.˜200° C. is 1.0×107 Pa or less and elastic modulus at 120° C.˜160° C. is 1.0×108 Pa or more, and a layer consisting of a fluorine resin thereon. The laminate film for coating metal sheet for screen board has excellent writing-and-drawing property, erasability, and anti-glare property; the laminate film can be economically manufactured by reducing the usage of fluorine resin; the laminate film also can be efficiently manufactured by reducing the steps for laminating with adhesive; and it can prevent the reversion of embossing of the film surface.

Abstract: An elastomeric laminate that does not require mechanical activation comprises an elastomeric polymer film layer bonded to one or more other substrate layers. The elastomeric film composition, physical properties of the substrate, and bonding conditions are selected and controlled to form an elastomeric laminate that is stretchable and recoverable without the use of excess material or post-lamination mechanical activation. The resulting elastomeric laminate may be manufactured on relatively simple high-speed equipment at lower cost and with improved physical properties.

Abstract: A method for producing a foil composite material, in particular for use as a layer in a card body, preferably in a card body of a portable data carrier, whereby using a coextrusion process, at least a first plastic melt of plastic including a thermoplastic elastomer and at least a second plastic melt of plastic without a thermoplastic elastomer, are joined in such a fashion that a foil composite material is formed. This foil composite material contains one or several outer first layers of plastic without a thermoplastic elastomer, one or several middle second layers of plastic including a thermoplastic elastomer and one or several outer third layers of plastic without a thermoplastic elastomer.

Abstract: An extruded web is disclosed. The extruded web can be either a nonwoven material of a films. The web comprises a plasto-elastic material where the plasto-elastic material is a combination of a first polyolefin and a second polyolefin (either a polymeric blends or a polymeric mixture). The claimed combination of polyolefins results in a material that has substantially plastic properties when a sample taken from said web is subjected to an initial strain cycle (such that the web is provided with a set of at least 30% by an initial strain cycle) and substantially elastic properties when a sample taken from the web is subjected to at least a second strain cycle.

Abstract: Methods of improving polyethylene stretch film that include providing interpolymer resin particles, forming a polyethylene blend composition by blending from about 0.1 to about 10 percent by weight based on the weight of the blend composition of interpolymer resin particles into one or more polyethylene resins; and forming a film from the polyethylene blend composition. The interpolymer resin particles contain a styrenic polymer intercalated within a first polyolefin, where the first polyolefin is present at from about 20% to about 80% by weight based on the weight of the particles, and the styrenic polymer is present at from about 20% to about 80% by weight based on the weight of the particles.

Abstract: Disclosed are a display backlight module and its manufacturing method. A multilayer reflector is particularly introduced into the display backlight module for a LCD display. The multilayer reflector is composed of a plurality of inter-stacked polymer films with various indexes of refraction. With introduction of interference principle, the multilayer reflector is designed to reflect or transmit the light with a specific wavelength range for acquiring a more uniform backlight. According to one of the embodiments, the display backlight module includes a backlight module, such as a direct-type or an edge-type light source. The module further includes the multilayer reflector and an optical-film module. This optical-film module optionally includes a brightness-enhancement film and a diffuser.

Abstract: An object of the present invention is to provide a method for forming a resin molded article, a resin molded article forming apparatus, and an apparatus for adjusting a thickness of a thermoplastic resin sheet which are capable of preventing a draw-down or a neck-in phenomenon of a molten sheet-shaped thermoplastic resin extruded downwardly in a suspended manner without putting a restriction on the type of resin to be adopted.

Abstract: A process of extruding a blend of an irradiated first propylene polymer and a non-irradiated second propylene polymer, where the first propylene polymer comprises a non-phenolic stabilizer. The irradiation of the first propylene polymer extrudate is conducted in a reduced oxygen environment, and the irradiated first propylene polymer and the non-irradiated second propylene polymer are blended at a temperature below their respective melting points. The blend has a viscosity retention of 20 to 35%.

Abstract: The present invention relates to a process comprising extruding a blend of an first propylene polymer comprising a non-phenolic stabilizer and a non-irradiated second propylene polymer, wherein the irradiation of the first propylene polymer was conducted in a reduced oxygen environment, and the irradiated first propylene polymer and the non-irradiated second propylene polymer were blended at a temperature below the melting point of the first and second propylene polymers.

Abstract: A method and apparatus for making a preassembly of built in sealant useful in tire manufacturing. The method of making the preassembled sealant includes extruding a center strip and at least two axially outer strips of a sealant onto a first conveyor belt; wherein the center strip and the axially outer strips are in a side by side adjacent relationship. Conveying the center strip onto a second conveyor while the axially outer strips are conveyed on the first conveyor belt towards the end of the belt, wherein the center strip has two outer edges, wherein a divider strip is applied to each other edge in a continuous manner, wherein the center strip is then conveyed onto the axially outer strips and then stitched together forming a preassembled component.

Abstract: A method for making a pocket filter assembly is provided. Two side and two end header elements each having a pair of longitudinally extending side walls and a longitudinally extending bottom wall forming a longitudinally extending channel are joined at ends forming a rectangular header with two opposing sides and two opposing ends. The bottom wall and side walls of each of the opposing sides and the bottom walls and said side walls of each of said opposing ends become adjacent forming a rectangular header with a continuous bottom wall and continuous inner and outer side wall having a continuous channel therein. An upstream perimeter portion of a pocket filter element is inserted in the continuous channel and a liquid polymeric material is placed therein. The polymeric material is solidified forming a header frame having the upstream perimeter portion of the filter element unitary therewith.

Abstract: A sheet material that includes an elastic component or material (e.g., film, nonwoven web laminated to the elastic component, etc.) is provided. The elastic component is formed from a styrenic block copolymer composition containing from about 10 wt. % to about 90 wt. % of styrene-butadiene-styrene block copolymer; and from about 10 wt % to about 90 wt. % of styrene-isoprene/butadiene-styrene block copolymer. The styrenic block copolymer composition has good viscosity stability during extrusion and thus may be readily formed into an elastic sheet material. The elastic sheet material may be subsequently crosslinked to achieve the desired elastic and mechanical properties.

Abstract: A roofing panel, a roof, an array of roofing panels, and a method of manufacturing a roofing panel by transporting a capstock layer of the roofing panel through a moving belt mold, and forming a polymeric material in situ against the outer layer while in a mold cavity of the moving belt mold. The capstock layer is vacuum formed to shape and form a plurality of roofing shingles and to impress the shingles with surface topography features simulating natural materials.

Abstract: The present invention describes a process for the surface finishing of materials via application of specific polymethacrylate layers. The polymethacrylate layers are composed of blends of at least two (co)polymers of polymethacrylates, and specific “reactive monomers” are present here in a polymerized mixture which forms the polymethacrylate layer. At the application temperature established, these form a chemical and, where appropriate, also a physical bond to the substrate, and therefore have adhesion-promoting action.

Abstract: A heat-sealable, peelable, coextruded composite polymeric film comprising a substrate layer of polymeric material having on a surface thereof a heat-sealable layer, wherein said heat-sealable layer comprises a copolyester of least one aromatic dicarboxylic acid, at least one aliphatic dicarboxylic acid and one or more glycol(s); the thickness of said heat-sealable layer is in the range of from about 0.3 to about 3 ?m; and the heat-sealable layer comprises one or more wax(es) is described.

Abstract: A part having foam tape integrated into a base component. The base component of the part is a body side molding which is attached to a vehicle using an adhesive. More specifically, the part includes a foam layer integrally formed with the body side molding such that a first side of the foam layer is formed with the body side molding, and an adhesive layer attached to a second side of the foam layer. A release film material is selectively attached to the adhesive layer such that the adhesive layer is disposed between the release film material and the foam layer. The release film material is able to be removed from the adhesive layer, and the body side molding is attached to a vehicle using the adhesive layer. The body side molding is used to protect the vehicle, as well as provide an improvement in the appearance of the vehicle.

Abstract: Multi-layered vaginal rings 2 comprising silicone elastomers and pharmaceutically active ingredients are disclosed. The rings comprise a number of layers, at least one of which contains a pharmaceutically active ingredient, and each of which is a silicone elastomer. The multiple layers preferably are produced from these layers of different compositions, including an inner layer 4, a middle layer 5, and an outer layer 6. After extrusion and simultaneous curing, however, the ring 2 includes a contiguous body which comprises a continuous silicone body providing unimpeded diffusion of the pharmaceutically active ingredient from the inner layer (s) 4 to the outer layer (s) 6. Methods of producing these vaginal rings and of using them are also disclosed.

Abstract: Disclosed herein are exemplary embodiments of linings, liners, and methods of providing a liner or lining for a tank. An exemplary embodiment includes a method of providing a liner or lining for a tank. In this exemplar embodiment, the method includes extrusion welding a pair of sheets together by infusing a molten thermoplastic material along an interface and within a gap between the pair of sheets. The method also includes extrusion welding the pair of sheets to a bottom sheet by infusing the molten thermoplastic material along and between the pair of sheets and the bottom sheet.

Abstract: Acrylic resin is used as a protection film of a polyvinyl alcohol polarizer film to compose a polarizer plate, wherein the glass transition temperature of the acrylic resin is higher than 50° C. A preparation method of the polarizer plate is also disclosed.

Abstract: A method for manufacturing a tire includes making at least one semi-finished elementary product of elastomeric material and depositing it in adjacent turns on a toroidal support. Making the at least one elementary product includes extruding the elastomeric material through an extruder head including a bushing defining a tapered extrusion channel. An extruder includes a chamber, at least one helical screw disposed in the chamber, and the extruder head. The head includes an outer tubular body attached by one end to the chamber, a bushing disposed inside the body to define the tapered extrusion channel, and a die disposed inside the body. A ratio of an area of the inlet section to an area of the outlet section is greater than 5:1 and less than 100:1 and a ratio of a diameter of the inlet section to a length of the bushing is greater than 0.1 and less than 1:1.

Abstract: In a process for fabricating large structures, a composite material panel is continuously pultruded in a pultrusion die assembly and cut transversely to the process direction to provide panel sections. The panel sections can be sufficiently long to extend from one end to an opposite end of the structure. The panel sections are assembled with a joint along adjacent edges using steel-to-composite and composite-to-composite joining technology. The joints can be integrated into the panel longitudinal edges, or separate joint assemblies can be fabricated. In this manner, fewer joints are required. A variety of in-plane and out-of-plane joint assemblies are provided.

Abstract: The invention relates to a pressure-sensitive tape, particularly for producing or sticking together optical liquid crystal data displays (LCDs), comprising a top side and an underside. The pressure-sensitive adhesive tape also comprises a carrier film with a top side and an underside, and the pressure-sensitive adhesive tape is provided with a pressure-sensitive adhesive layer both on the top side as well as on the underside. The pressure-sensitive adhesive tape is characterized in that the carrier film has a content of antiblocking agents of less than 4000 ppm, and at least one light-absorbing chromophoric layer is provided between the carrier film and the pressure-sensitive adhesive layers.

Abstract: A nozzle for dispensing molten thermoplastic material includes non-circular outlets spaced apart from one another in a predetermined pattern. The nozzle may be used to dispense patterns of adhesive that form closed geometric shapes, such as for use in making hermetic seals.

Abstract: A shielding material includes a non-conductive sheet, an elongated adhesive strip and a conductive sheet. The elongated adhesive strip is disposed on a first side of the non-conductive sheet. The adhesive strip is spaced apart from a first edge of the non-conductive sheet and includes a removable cover film that protects the elongated adhesive strip until it has been removed. The conductive sheet is adhered to a second side of the non-conductive sheet. A first end of the conductive sheet is spaced apart from the first edge of the non-conductive sheet so that a first portion of the conductive sheet extends beyond the first edge of the non-conductive sheet. The conductive sheet is also disposed relative to the non-conductive sheet so that the second end is parallel to a second edge and so that a second portion of the non-conductive sheet extends beyond the second end.

Abstract: Embodiments of the invention concern a method for producing a packaging container (50), in which a synthetic raw material is melted and extruded to obtain a plastic film (30, 40), which is subsequently processed in a forming process on to the packaging container. At least a portion of the plastic raw material has a propellant added prior to or during the extrusion process in such a way that it leads to the expansion of the extrudate that contains the propellant upon exit from the extrusion die, occasionally accompanying the release of a propellant gas. Embodiments of the invention also concern a packaging container (50) that is produced according to this method which has a container base (56) and a lateral boundary of the container that indicates the container wall (52) which constitutes the shell of the container (54), whereby the container wall is at least partially created by a foamed plastic material.

Abstract: Systems relating to providing flexible magnetizable sheets having writable and printable surfaces in a single continuous-flow production process.

Abstract: A packaging laminate comprising a core layer of paper or carton with through-going holes, openings or slits, a first layer of heat sealable thermoplastic material applied on the outermost side of the packaging laminate, a second layer of heat sealable thermoplastic material applied on the other, innermost side of the packaging laminate, one or more barrier layers applied between the core layer and the innermost thermoplastic layer, the thermoplastic material and barrier layers all being laminated to each other within the regions of said holes to form a membrane of barrier and thermoplastic material layers. A method for manufacturing of the packaging laminate and a packaging container that is made from the packaging laminate.

Abstract: A laminated sheet is produced by forming an adhesion layer permeable to a liquid component and contactable with a skin on at least one side of a liquid-retention layer comprising a nonwoven structural member and having an ability to absorb the liquid component. The adhesion layer comprises a nonwoven structural member comprising a fiber having a number-average fiber diameter of not more than 10 ?m, and the thickness ratio of the adhesion layer relative to the liquid-retention layer is 1/4 to 1/100 as a ratio of the adhesion layer/the liquid-retention layer. The fiber of the nonwoven structural member of the adhesion layer may have a standard deviation of fiber diameter of not more than 5. The nonwoven structural member of the liquid-retention layer may comprise a fiber having a fiber diameter larger than that of the fiber of the adhesion layer.

Abstract: The invention relates to a multilayer product comprising a first layer (A), a second layer (B), a third layer (C), and a fourth layer (D). The first layer (A) is a scratch-resistant protective layer having a minimum extinction of 0.3 at 340 nm, the second layer (B) is an alkyl acrylate layer having a minimum extinction of 2 at 340 nm, and the third layer (C) and the fourth layer (D) contain a UV-stabilized polycarbonate. The invention also relates to a method for manufacturing the multilayer product.

Abstract: Composite metal and polymer part, use in particular in the automotive field The invention relates essentially to a composite part comprising at least one sheet of steel coated with at least one polymeric film formed beforehand by extrusion of a polymeric blend comprising at least the following components: a polymer formed of a dispersion of elastomer nodules in a polypropylene matrix, the proportion of elastomer in the matrix being less than 20% by weight of the combination formed by the matrix and the elastomer, a first antioxidant from the family of the phenolic antioxidants for a content by weight of greater than or equal to 0.2%, a second antioxidant from the family of the hydroperoxide-decomposing antioxidants for a content by weight of greater than or equal to 0.1%, reinforcing fillers for a content by weight of less than 10%.