Abstract: A process for manufacturing a cable which includes a conductor; an inner semiconductive layer surrounding the conductor and having a thickness lower than or equal to 0.4 mm; and an insulating layer surrounding the inner semiconductive layer.

Abstract: A multilayer film is provided, wherein the multilayer film comprises at least one layer of a monolayer film, wherein the monolayer film is produced from a composition comprising a masterbatch composition and at least one polyolefin polymer, wherein the masterbatch composition comprises a polyolefin base resin, polymethyl-methacrylate (PMMA) pearls and a terpolymer of an olefin, an olefinic ester and an olefinic ether, and wherein the PMMA particles have an average particle size of 1-20 ?m. Also provided are methods for producing such multilayer films, and use of such multilayer films as a packaging material.

Abstract: A primary dope is obtained by mixing a solvent and a polymer, and an additive is added to the primary dope, and thus a second dope for a main layer, a first dope for a contact layer and a third dope for an exposure layer are prepared. Only in the second dope is contained at least one of retardation controller, UV absorbing agent and deterioration inhibitor. The first-third dopes are cast from a casting die onto a casting belt to form a casting film of a three layer structure having the base, contact and exposure layers. Since the volatile compound is contained in the main layer, a precipitation of the volatile compounds on a surface of a produced film is prevented.

Abstract: A method of film fabrication is taught that uses a coating and drying apparatus to fabricate resin films suitable for optical applications. In particular, polycarbonate films are prepared by simultaneous application of multiple liquid layers to a moving carrier substrate. After solvent removal, the polycarbonate films are peeled from the sacrificial carrier substrate. Polycarbonate films prepared by the current invention exhibit good dimensional stability and low birefringence.

Abstract: The present invention provides articles comprising a thermoformable composite comprising: a core comprising a renewable polymer having: (a) a Ts value of up to about 90° C.; and (b) a heat distortion index of up to about 90° C.; and a heat-resistant outer layer substantially surrounding the core and comprising a heat-resistant polymer having: (a) a Ts of greater than about 60° C.; and (b) a heat distortion index of greater than about 50° C.; wherein the renewable polymer comprises at least about 60% by weight of the composite, and wherein the heat-resistant polymer has a Ts value and heat distortion index greater than that of the renewable polymer. The present invention also provides methods for coextruding the heat-resistant polymer outer layer and renewable polymer core to provide a thermoformable composite.

Abstract: The apparatus is for forming a resin film from a resin for a middle portion to form a resin film main body of the resin film and a resin for edge portions to form both side edge portions in a crosswise direction of the resin film. The apparatus comprises: a feed block which includes a joining part where the resin for the middle portion in a molten state and the resin for the edge portions in a molten state are joined in such a manner as to enclose both side edges in the crosswise direction of the resin film main body with the resin for the edge portions; and an extruding die through which the joined resins are extruded to form the resin film. Thus, a method and apparatus for forming the resin film can avoid the inclusion of the resin for the middle portion in the trimmed-off selvages while preventing the film separation of the resins for the middle portion and for the edge portions, and therefore, increase the recyclability and the productivity of the resin film.

Abstract: Disclosed herein are an apparatus and method for manufacturing a balloon catheter in which a non-contact type laser perforator and printer are separately provided above a primary extruder such that inflation apertures can be uniformly perforated through a non-vulcanized lumen tube and simultaneously, tube cutting positions can be printed on the lumen tube at positions uniformly spaced apart from the inflation apertures without stopping a primary extrusion process. Also, a bond preventing agent layer is coated on the lumen tube at balloon inflating portions prior to cutting the tube, to facilitate a secondary extrusion of the tube. With this configuration, continuous and accurate perforation of inflation apertures is possible and automatic tube cutting can be achieved based on the printed tube cutting positions. Also, the present invention can compensate for a time delay due to a bond preventing agent application process and achieve high productivity and minimized loss of material.

Abstract: A co-extruded film including talc and a method for preparing the film includes a polyester resin containing talc. The films may be single layer films or multi-layered structures such as ABA or AB structured films. Multi-layered films have talc in at least the A layer of the multi-layered film. If talc is present in the B layer, the A layer preferably includes a greater percentage of talc relative to the percentage of talc present in said B layer. The method uses readily available, low cost talc as an additive to achieve a co-extruded polyester film having simultaneously reduced transparency and reduced gloss to provide a translucent polyester film.

Abstract: A continuous process for coating ePTFE with polymer wherein a first coating of fluoropolymer-containing liquid medium is formed on a moving elongate substrate, elongate ePTFE is contacted with the coated substrate to form an inchoate composite structure, and a final coating of fluoropolymer-containing liquid medium is formed on the inchoate composite structure.

Abstract: There is provided a production method of a weather strip for an automobile, comprising a rubber-made installation base member 1 which embeds a plastic-made insert 4, and a holding lip 2 provided inside the groove portion 10, which comprises the following steps. An extrusion-molding process 101 wherein a whole weather strip 100 is integrally extrusion-molded in a state that a portion of a lid member 3 wider than an opening of the groove portion 10 is connected to an end portion of either side wall portion 12. A holding lip manufacturing process 102 wherein the holding lip 2 is processed by inserting a manufacturing tool 8 in the groove portion 10 through the opening. A lid closing process 103 wherein another portion of the lid member 3 is connected to the end portion of the other side wall portion 13 to cover the opening of the groove portion 10 with the lid member 3. A vulcanization process 104 wherein the weather strip 100 is vulcanized.

Abstract: For the production of a double-sided pressure-sensitive adhesive tape, having a closed and open side, possessing a carrier film (e) provided on both sides with a pressure-sensitive adhesive layer (c,c?), the carrier film (e) being a filmlike carrier film not based on rubber, and there bring at least one release film located on the closed side, on the one pressure-sensitive adhesive layer (c), it is envisaged that, from the melt, two identical or different pressure-sensitive adhesives for the pressure-sensitive adhesive layers (c,c?), a film-forming polymer for the carrier film (e), and a film-forming polymer for the release film be formed, that these components be combined to form a composite, and that the pressure-sensitive adhesives be crosslinked by means of physical and/or radiation-chemical treatment.

Abstract: One aspect of the invention provides ion-exchange and gas-diffusion membranes, fabricated by a layer-by-layer approach, for use, e.g., in electrochemical cells; a process for making membrane electrode assemblies fabricated using porous frameworks, LBL composite membranes and LBL carbon-Polymer electrodes; and the application of the membrane and electrode assemblies to a variety of devices, both electrochemical and otherwise.

Abstract: A method and apparatus for making a foam-in-place cushion in which a foam-forming composition is dispensed between two plastic film portions in a predetermined fashion to selectively control the distribution of the foam in the cushion. A foam dispenser can be moved in a transverse direction as foam is dispensed. A dispersion device can be employed to apply pressure on predetermined areas of the film portions towards each other so as to cause the composition to be redistributed in position in a predetermined manner while the composition is in a less than fully expanded state. The plastic film can then be sealed closed to form an expanding foam cushion that can be placed into a shipping carton where the cushion expands to fill void space, or into a mold where the cushion expands and is molded into a desired shape.

Abstract: The present invention relates generally to the packaging materials. More specifically, the invention relates to materials and methods suitable for use as packaging materials whereby the appearance of grease, fat or oil staining on the packaging material is reduced or eliminated.

Abstract: The invention relates to a process for obtaining a multilayer material [10] consisting of semi-rigid sheets with good hold, resistance to temperatures in excess of 124° C. and low gas permeability which can be folded and intended for the manufacture by folding of containers [20] constituting an internal space for the packaging of thermally treated products, such a container [20] a process for obtaining such a multilayer material; [10] and a process for manufacturing the product packaging.

Abstract: The invention relates to a biaxially oriented polyester film having a base layer (B) which comprises at least 80% by weight of a polyester comprised of from 55 to 90 mol % of units deriving from at least two aromatic dicarboxylic acids and of from 5 to 45 mol % of units deriving from at least one aliphatic dicarboxylic acid, where the total of the dicarboxylic-acid-derived molar percentages is 100. The film features ultimate tensile strength of ?100 N/mm2 and modulus of elasticity of ?3000 N/mm2.

Abstract: The invention relates to a process for the bonding of a fibre-reinforced material to an injection-moulding material. The invention further relates to an article produced according to the process. It is an object of the invention to improve the bond between a fibre-reinforced starting material and a material applied by injection. To achieve the object, a fibre-reinforced plastics material is heated locally, and further plastics material is applied by injection. This produces a particularly good coherent bond between the further plastics material and the fibre-reinforced plastics material. Ease of handling is also provided. The invention relates to a component produced according to the process and also to an apparatus for carrying out the process.

Abstract: In order to produce a cellulose ester film constructed of a front layer, an intermediate layer and a rear layer, a dope solution is doped on a supporter. In at least one of the front layer and the rear layer, a mass ratio of a cotton linter to a wood pulp (cotton linter/wood pulp) is between 5/95 and 0/100, and a solvent of the dope contains more than 15 wt.% alcohols and hydrocarbons whose carbon number each is 1-10. Further, a ratio of a solid content density of a solution for forming the front layer and the rear layer to a solid density of a solution for forming the intermediate layer is less than 0.9 wt.%, and a total thickness of the solutions for front and rear layers is more than 5% of the dope ribbon.

Abstract: A method of forming an extrusion comprises passing a first, plastics material (12) through a first channel (104) in a die, passing a second, plastics material (14) through a second channel (112) in the die, and passing a third, plastics material (16) through a third channel (314) in the die. At least one of the materials is passed through a metering gap into contact with the other materials to cause the at least one material to bond with the other materials as the materials pass through the die.

Abstract: A laminated anti-fatigue area rug comprises a bottom laminate of anti-fatigue material being rubber or vinyl having anti-slip properties for stability, a top laminate of cork with an upper wearing surface having a polyurethane coating and a middle bonding laminate of fiberglass cloth and adhesive material to bond the layers together. There resulting rug is sufficiently flexible that it may be rolled for storage without cracking the cork or delaminating.

Abstract: The present invention includes a laminate and formation of a laminate having at least one layer of an ionomer and at least one layer of an acid polymer or blend of acid polymer and a thermoplastic polyolefin that can be thermoformed to form a shaped laminate. The shaped laminate can then be contacted with a plastic substrate such as a thermoplastic polyolefin to form a composite article by such means as, for example, injection molding. The laminate can be pigmented to eliminate the need to paint the surface of the plastic substrate. Impact and scratch resistant articles can be formed from the laminated substrate such as automotive parts, appliance body parts and sporting equipment.

Abstract: This disclosure relates to multi-layer films having improved peel strength properties and comprising a core layer and a first tie layer made from at least 5 wt % of a grafted propylene-based polymer. Optionally, the multi-layer film may have one or more skin layers, and/or a second tie layer.

Abstract: The present invention provides a thermoplastic polyurethane composition which comprises an ethylene-vinyl alcohol copolymer and/or a polyamide, and a thermoplastic polyurethane, in which the retention of melt tension thereof, when kept in a molten state at 220° C. for 1 hour, determined by the following equation (1), is not less than 10%. Retention of melt tension (%)=[Melt tension after being kept in a molten state/Melt tension before being kept in a molten state]×100??(1) The thermoplastic polyurethane composition of the present invention is excellent in production stability of a molded article, and can provide a molded article excellent in appearance because the progress of gelation thereof is suppressed even in a molten state.

Abstract: The present invention relates to a transparent, hot-embossable, biaxially oriented polyester film having a base layer (B), an amorphous outer layer (A) with a coating on this outer layer (A), and a crystalline outer layer (c). The invention further relates to the use of such film and to a process for its production.

Abstract: A feedblock for a film extruder used to produce a uniform, multiple layer web. The feedblock has a generally annular configuration, for receipt of a core material and a skin material. The feedblock has a varying radial dimension for passage of the skin material therethrough. After feeding the core material and the skin material through the feedblock and then a die, a flat web having at least three layers, uniform across the web width, is obtained.

Abstract: A co-extruded laminate of at least one layer of an ionomer and at least one layer of an acid polymer that can be thermoformed with a plastic substrate such as a polyolefin. The laminate can be pigmented to eliminate the need to paint the surface of the plastic substrate. Articles can be formed from the laminated substrate such as automotive parts and sporting equipment.

Abstract: A method for making a polymeric part having an anti-graffiti property is disclosed. The method includes formulating a first mixture of a polymer and a hydrocarbon mixture, forming a substantially planar sheet of the first mixture, formulating a second mixture of a mineral oil and a wax, coating a surface of a forming mold with the second mixture of a mineral oil and a wax, and thermoforming the substantially planar sheet to form the polymeric part using the forming mold coated with the second mixture of mineral oil and wax.

Abstract: A biodegradable laminate sheet having as its object to provide a formed body superior in heat resistance, shock resistance, transparency and formability, and having non-stretched polylactic acid-family resin layer of which the crystallinity is 20% or less, and a layer comprising a biodegradable resin other than a polylactic acid-family resin.

Abstract: A resin film of a two-layer-construction comprising: (a) a resin layer R1 including a non-stretched resin film which contains a thermoplastic polyester resin containing 3 to 30 percent by weight in a weight fraction in the entire resin of a granular resin with a grain diameter of 0.1 to 5 ?m, the granular resin being a modified polyolefin resin containing 2 to 20 percent by weight of a functional group derived from carboxylic acid in terms of carboxylic acid, and (b) a polyester resin layer R0 containing at least one of polyethylene terephthalate and isophthalic acid copolymerized polyethylene terephthalate, as a basic skeleton, wherein the resin layer R1 and the resin layer R2 are laminated to each other.

Abstract: A process for preparing a multi-layer roofing or structural membrane is provided including a top sheet including co-extruding a cap and inner layer and bonding the top sheet to a bottom sheet. The use of the co-extrusion process allows for multi-layer sheets that reduce the need for expensive fillers in all but a cap layer of the membrane. A scrim reinforcement layer is optionally embedded in the membrane. When installed on a roof substrate, the membrane can be sealed by heat welding the seams of the membrane sheets or by other means.

Abstract: A new class of composite polymer films where the refractive index can be varied by simple compressive or extensive forces. The films are comprised of alternating layers of an elastomer and a glassy polymer or two different elastomers. When the layer spacing is much less than the wavelength of the probe light, these materials behave as effective medium composites. The layer thickness of the elastomer component and thus the effective index of the composite can be varied by compression, tension or shear.

Abstract: The present invention is a multilayer polyester film comprising a layer A and a layer B which are laminated alternately, the layer A constituting the outermost layer on both sides of the film, wherein (1) the layer A comprises a polyester A, and the layer B comprises a polyester B, (2) the melting point of the polyester A is higher than the melting point of the polyester B by at least 15° C., (3) the layer A is a layer having an oriented structure, and the layer B is a layer having a substantially unoriented structure, (4) the ratio (a/b) of the total thickness (a) of the layer A to the total thickness (b) of the layer B is 0.01 to 3, and (5) the in-plane tensile strength of the multilayer polyester film is 50 MPa or lower at a maximum, and the difference between its maximum value and minimum value is 20 MPa or smaller; and a method for producing the multilayer polyester film.

Abstract: This invention relates to the preparation of a multi-layered rubber composite, said composite and a tire having a component prepared thereby. The multi-layered rubber composite is composed of at least two individual rubber compositions configured as at least three parallel aligned alternating rubber layers, wherein each rubber layer extends through the rubber composite thickness from one side to the other opposing side. The multi-layered rubber composite is prepared by co-extruding at least two individual rubber compositions, via an individual extruder for each rubber composition, to an internal cavity of a former. Said former is comprised of an internal cavity which contains a sequence of flow deflectors and channels for guiding the at least two individual rubber compositions to form said multi-layered rubber composite in a single manufacturing step.

Abstract: This invention relates to a method of manufacture of a barrier, especially for electronic display devices, comprising the step of co-extruding a melt of at least one inorganic material with a melt of at least one organic material, wherein the at least one inorganic material and the at least one organic material are co-extruded as a continuous sheet.

Abstract: A method of manufacturing to increase the thermal and electrical conductivity of polymers includes layering a filled polymer with an unfilled polymer to produce a multi-layered system of alternating filled and unfilled polymer layers. The filler material comprises thermally and/or electrically conductive material. A preferred polymer is a shape memory polymer. A method of manufacturing magnetic multi-layered polymer systems is described. Articles formed from such multi-layered systems are also disclosed.

Abstract: A membrane electrode assembly having excellent electric power generating capability is produced from a base coated with first polymer electrolytic solution to form an undried first polymer electrolytic membrane. Undried first polymer electrolytic membrane is coated with first electrode dispersion of second polymer electrolytic solution and catalyst carried on a catalyst carrier and dissolved therein. First electrode dispersion is dried to form a first electrode positive-electrode membrane electrode assembly. Another base, coated with third polymer electrolytic solution, forms undried second polymer electrolytic membrane. Undried second polymer electrolytic membrane is coated with a second electrode dispersion of fourth polymer electrolytic solution and a catalyst carried on a catalyst carrier and dissolved therein. Second electrode dispersion is dried forming a second electrode negative-electrode membrane electrode assembly.

Abstract: A method of film fabrication is taught that uses a coating and drying apparatus to fabricate resin films suitable for optical applications. In particular, cellulose acetate films are prepared by simultaneous application of multiple liquid layers to a moving carrier substrate. After solvent removal, the cellulose acetate films are peeled from the sacrificial carrier substrate. Cellulose acetate films prepared by the current invention exhibit good dimensional stability and low birefringence.

Abstract: Bristles for applying media are produced in that a filament, which can be cut into bristles, is extruded with a core which also determines the mechanical properties of the bristle. Cavities are formed at a separation from the center of the core and open towards the circumference of the filament which can be filled with medium from the outside, wherein the circumferential openings of the cavities are formed such that the medium is discharged only when the bristle is appropriately used. The cavities may also have a larger opening width and be covered by a layer or jacket. A bristle and brushes having such bristles produced in accordance with this method are also described.

Abstract: Disclosed is an intercrosslinked multilayer polymeric article having at least one thermoplastic polymer layer intercrosslinked by UV radiation at the interface with a core layer of a crosslinkable polymer. The selection of the thermoplastic polymer and the crosslinkable polymer is such that a coextruded composite product of these materials has poor interlayer adhesion prior to radiation treatment. However, the interfacial intercrosslinking provides superior bonding between the layers. The same UV radiation for intercrosslinking typically can also cure the crosslinkable polymer to give the multilayer article excellent structural integrity. Also disclosed is a method for preparing an intercrosslinked multilayer polymeric article.

Abstract: A colored coating for an article is provided including a first layer polymeric coating material with a transparent base which has been pigmented to a desired color and extruded, a second layer of transparent polymeric coating material which has been co-extruded with the first layer and a third layer of polymeric coating material co-extruded with the first layer opposite the second layer, the third layer being more opaque than the first layer. The invention, while having widespread application, is particularly suitable for use as a coating for an exterior surface of an automotive vehicle body panel.

Abstract: Multilayer thermoformable structures for packaging film applications. The multilayer structures having at least a first layer of polyester, a second layer of a first adhesive and a third layer of a nylon blend formed into a flexible non-oriented film by coextrusion.

Abstract: A polymeric film comprising a first layer which comprises (a) a mixture comprising 50-99.9% by weight polyethylene terephthalate (PET) and 0.1-50% by weight of polyethylene naphthalate (PEN) or (b) a copolymer comprising 50-99.9% by weight ethylene terephthalate units and 0.1-50% by weight ethylene naphthalate units, based on the total weight of the first layer, further comprising a second layer comprising PEN and a third layer comprising PEN, and further comprising a first intermediate layer and a second intermediate layer, wherein each of said intermediate layers comprises (a) a mixture comprising 50-99.9% by weight polyethylene terephthalate (PET) and 0.1-50% by weight polyethylene naphthalate (PEN) or (b) a copolymer comprising 50-99.9% by weight ethylene terephthalate units and 0.

Abstract: Oxygen barrier films having a greatly improved dynamic coefficient of friction, and specifically, oxygen barrier films having an exceptionally low dynamic coefficient of friction, reduced moisture sensitivity and good oxygen barrier properties over a wide range of relative humidities. The low coefficient of friction is obtained by using film layers which are blends of a polyamide component and a high density polyethylene which surround an oxygen barrier layer, such as an ethylene vinyl alcohol layer.

Abstract: Disclosed is a thermal dye-transfer dye-image receiving element comprising a thermal dye-transfer receiver element comprising a dye-receiving layer 1; beneath layer 1, a microvoided layer 2 containing a continuous phase polyester matrix having dispersed therein a mixture of crosslinked organic microbeads and non-crosslinked polymer particles that are immiscible with the polyester matrix; beneath layer 2, a substrate layer 3 comprised of a voided or non-voided polyester material; and beneath layer 3, a composite support 4. The invention provides a receiver exhibiting an improved combination of dye-transfer efficiency and robustness.

Abstract: The invention relates to a method for producing shaped bodies, especially threads or foils, from at least one polymer of the groups consisting of polysaccharide, polysaccharide derivative or polyvinyl alcohol by forming a solution of the polymer that contains an additive in a solvent containing amine-N-oxide, extruding the solution and precipitating the extrudate by contacting with a coagulant. The invention is characterized in that at least two polymeric solutions are formed. At least one of the two polymeric solutions contains one or more finely distributed additives and the at least two polymeric solutions are simultaneously extruded forming a combined extrudate.

Abstract: An electrochemical fuel cell comprises an anode electrocatalyst layer, a cathode electrocatalyst layer, a polymer electrolyte membrane interposed between the anode and cathode electrocatalyst layers, an anode flow field plate, a cathode flow field plate, an anode fluid distribution layer interposed between the anode flow field plate and the anode electrocatalyst layer, and a cathode fluid distribution layer interposed between the cathode flow field plate and the cathode electrocatalyst layer, wherein at least one of the anode and cathode fluid distribution layers decreases in permeability from an inlet to an outlet of the electrochemical fuel cell. Methods for making a substantially fluid impermeable sheet material having a non-uniform pattern of perforations are also provided.

Abstract: Transparent, biaxially oriented polyester films having a base layer composed of at least 5% by weight of a thermoplastic polyester and from 10 to 95% by weight of a cycloolefin copolymer having a glass transition temperature of less than 120° C., possess very good water vapor barrier properties and low haze at the same time. These films are especially suitable for packaging foods and other consumables.

Abstract: A heat-absorbing system comprising at least a first layer (A) containing a ultraviolet absorber, a second layer (B) containing an organic infrared absorber and ultraviolet absorber and a third, interference layer (C) reflecting in the infrared range is disclosed. The system is suitable for shielding plastic glazing elements from heat radiation.

Abstract: A process of co-extrusion of a thin electrode sheet with a thin electrolyte polymer sheet directly onto a current collector sheet for a lithium polymer battery.

Abstract: A multi-layered stretched resin film comprises a base layer (A) comprising more than 90 wt % of a polyolefinic resin and less than 10 wt % of an inorganic fine powder and/or an organic filler; and an amorphous resin-containing layer (B), comprising 0 to 85 wt % of a second polyolefinic resin, which may be the same or different than the first polyolefinic resin, and 15 to 100 wt % of an amorphous resin. The amorphous resin-containing layer (B) is disposed on at least one side of the base layer (A), and has a porosity of 5% or less. Such multi-layered stretched resin films are resistant to waving or curling caused by exposure to the vehicle component of offset printing inks during offset printing, and therefore have excellent printing properties.