Abstract: A thermoplastic film composition that includes a polymer blend of multiple inherently incompatible polymer components is described. The composition includes a polymer blend having about 5 wt. % to about 45 wt. % of a plasticized natural polymer, about 5 wt. % to about 40 wt % of a polyolefin, a biodegradable polymer, and a compatibilizer with both a polar and a non-polar moiety on the same polymer molecule. The total plasticized natural and biodegradable polymers constitute a majority or predominant phase (?51 wt. %), while petroleum-based olefinic polymers form the minority phase. The composition can be made into a film containing at least one renewable, natural polymer component. Also described are the articles of manufacture that may use such films.

Abstract: A conductive composition including a matrix resin comprising a thermoplastic resin, a conductive agent comprising a carbon black having an amine value of 1 to 100 mgKOH/g, and a stiffening agent comprising an acid anhydride, a carboxylic acid, or a compound having an epoxy group.

Abstract: The present invention relates to a process for producing transparent polymeric films or plastics mouldings of particularly high chemical resistance, having more particularly a very good resistance towards oil-in-water and water-in-oil emulsions, and of high optical quality.

Abstract: A co-extrusion process for making decorative moldings having a simulated wood appearance and a given profile includes mixing a base material and color particles to form a mixture, the base material having a rigid polymer and the color particles having a different color from the base material and a higher melt temperature than the base material. The mixture is heated and displaced using a feed screw such that the color particles move helically along the trajectory of the feed screw while avoiding backflow and melting to create corresponding helical vein segments within the base material. The mixture is forced through a tubular channel while controlling heat and shear conditions such that the helical vein segments remain substantially intact.

Abstract: This invention provides methods and devices for manufacturing moldable materials including various types of natural and synthetic clays, edible materials such as cookie dough, and modeling compound by forming a moldable billet through various techniques, and reducing the cross section of said moldable billet such that features in the moldable billet appear in a similar arrangement in the resulting extruded product.

Abstract: New fluid separation devices and absorption materials are disclosed. Hollow fibers with an axial capillary slit act as very high efficiency absorption materials, as well as high-surface-area fluid separation devices. The hollow fibers with an axial capillary slit are constructed to preferentially absorb or repel different fluids and arranged to maximize that action over a plurality of fibers to separate different fluids. These separation devices can also function as injection devices and very effective micro-reactors.

Abstract: This disclosure relates to a film comprising a metal receiving layer, the first layer comprising a blend of a first polymer and 5-25 wt. % of a second polymer, the second polymer is a metallocene-catalyzed elastomeric ethylene-propylene copolymer having an ethylene content of less than or equal to 10 wt. %, the first polymer is different from the second polymer.

Abstract: An extrusion die (20) and method for co-extruding a first molten polymeric material and a second molten polymeric material. The die includes a first die portion (20), a second die portion and a shim separating the first die portion and the second die portion. The shim has a first side and a second side, the first side of the shim forming a boundary of the first die portion and defining a first die cavity (38), the second side of the shim forming a boundary of the second die portion and defining a second die cavity (40). A dispensing edge (36) is provided having a plurality of first and second extrusion openings, a plurality of first feed channels connecting the first die cavity to the first extrusion openings along the dispensing edge, and a plurality of second feed channels connecting the second die cavity to the second extrusion openings along the dispensing edge.

Abstract: A method for making a polymeric web exhibiting a soft and silky tactile impression on at least one side thereof. The method comprises the steps of providing a forming structure being moveable upon a forming drum and comprising a plurality of protrusions extending from the forming structure, the protrusions being generally columnar forms having an average aspect ratio of at least about 1. The forming structure is disposed adjacent a vacuum chamber and vacuum is applied at a sufficient level to induce a sufficient partial pressure to conform a precursor web to the forming structure, thereby forming the polymeric web. The precursor web can be cast directly onto the forming structure, or it can be re-heated by re-heat means to elevate its temperature sufficiently to permit vacuum formation.

Abstract: A polycarbonate resin composition for a flame retardant film includes 100 parts by weight of a polycarbonate resin, about 0.01 to about 10 parts by weight of a silicon compound, about 0.01 to about 1.5 parts by weight of an organic sulfonic acid metal salt having an average particle diameter of about 100 to about 400 ?m, and about 0.01 to about 1 part by weight of a polyfluoroethylene resin.

Abstract: A multi-layer sheet structure includes, in an exemplary embodiment, a barrier layer having a first side and a second side, at least one thermoplastic layer on the first side of the barrier layer, and at least one thermoplastic layer on the second side of the barrier layer. A cup shaped container may be molded from the multi-layer sheet structure.

Abstract: Film-like pharmaceutical dosage forms, comprising, as film formers, amphiphilic copolymers and one or more active substances.

Abstract: The instant invention is a polyethylene film, and method of making the same. The polyethylene film according to instant invention includes at least one heterogeneously branched ethylene/?-olefin copolymer having a density in the range of about 0.910 to about 0.930 g/cm3, a molecular weight distribution in the range of about 2.8 to 3.8, a melt index (I2) in the range of about 0.3 to about 4 g/10 min, and an I10/I2 ratio in the range of 6.5 to about 7.8. The film has a normalized dart impact strength of equal or greater than (6666-7012*density) g/mil, a normalized tear strength of equal or greater than (440*e?(density?0.915)2/2*(0.00949)2) g/mil, and a haze in the range of 3 to 10 percent. The method of making the polyethylene film according to instant invention includes the following steps: (1) providing at least one heterogeneously branched ethylene/?-olefin copolymer having a density in the range of about 0.910 to about 0.930 g/cm3, a molecular weight distribution in the range of about 2.8 to 3.

Abstract: In an electrolyte membrane (10) for a solid polymer fuel cell, sealing ribs (12) of a predetermined height made of an electrolyte resin is formed integrally with the electrolyte membrane (10). Using the electrolyte membrane, a membrane-electrode assembly (20) is formed, which is further processed into a fuel cell (30). Thus, an electrolyte membrane and a membrane-electrode assembly which are capable of improving the sealing characteristic when incorporated into a fuel cell are obtained. Besides, a fuel cell improved in the sealing characteristic is obtained.

Abstract: A laminated film for a reflecting plate is provided that comprises a layer A and a layer B, the layer A comprising a polyester that comprises substantially no antimony element and preferably comprises 1 to 25 wt % of inert particles having an average particle diameter of 0.3 to 3.0 ?m and the layer B being in contact with the layer A and comprising a polyester which preferably comprises 31 to 80 wt % of inert particles having an average particle diameter of 0.3 to 3.0 ?m. This laminated film has a practically satisfactory capability of reflecting visible light, can be produced stably even if inert particles are added in high concentration, hardly has streak-like defects, and can be suitably used as a substrate for a reflecting plate for a liquid crystal display or an internally illuminating electrical billboard.

Abstract: A manufacturing apparatus for manufacturing extruded parts having microstructures comprising: a support structure; a hopper carried by the support structure for receiving feedstock; an extrusion chamber operatively associated with the hopper for receiving the feedstock from the hopper and melting the feedstock above a feedstock melting temperature; a die carried by the support structure having die microstructures disposed on an inner surface of the die, the die microstructures having a plurality of microfeatures each having an upper surface and a lower surface, the melted feedstock being forced through the die to produce an extrudate having extrudate microstructures; and, a cooling assembly wherein the extrudate microstructures of the pre-cooled extrudate have larger physical dimensions than that of the extrudate microstructures of the cooled extrudate.

Abstract: Disclosed is a process for producing a thermoplastic elastomer composition having a matrix phase comprising a polyamide and an ethylene/vinyl alcohol copolymer and a disperse phase comprising a rubber composition, by which gelation by a reaction between a polyamide and an ethylene/vinyl alcohol copolymer can be inhibited and the dispersion of the rubber composition can be good. In the process, the polyamide resin and the rubber composition are melt-blended to the extent necessary for the rubber composition to form a disperse phase, and then the ethylene/vinyl alcohol copolymer is added and further melt-blended together.

Abstract: Polymeric compositions and processes of forming the same are discussed herein. The processes generally include contacting a polylactic acid with a reactive modifier selected from epoxy-functionalized polybutadiene, ionic monomer, and combinations thereof.

Abstract: The invention relates to a wiper blade (10) with a wiper strip (14) made of elastic material and having a wiper strip head (20) and a wiper lip (26) which can be placed on a window (22) to be wiped, wherein the wiper lip (26) is designed as a wedge-shaped extension (24) of the wiper strip head (20) and has a point angle (42) of between 60 degrees and 150 degrees, said point angle leading into a contact surface (44) having a radius (46) of smaller than 100 micrometers, and also to a method for the production of said wiper blade.

Abstract: A geothermal heat exchanger, comprising an inner tube bounding a first passage for a flowing heat exchanger fluid. The inner tube has one or more ribs on an outer side thereof. The inner tube and the one or more ribs are integrally formed by extrusion and entirely made of a thermally-insulating synthetic foamed material. The geothermal heat exchanger further comprises an outer tube made of thermally-conductive material concentrically positioned around the inner tube. The one or more ribs abut a first surface of the outer tube, and the inner tube and the outer tube cooperate to define an annular space which forms a second passage for the flowing heat exchanger fluid.

Abstract: A structural filler is installed in a gap between at least first and second composite members by extruding a flowable filler material, placing the extruded filler on one of the composite structural members, and assembling the composite members.

Abstract: A method for forming an antimicrobial composition that includes mixing an antimicrobially active botanical oil (e.g., thymol, carvacrol, etc.) and protein within a melt blending device (e.g., extruder) is provided. Despite the problems normally associated with melt processing proteins, the present inventors have discovered that the processing conditions and components may be selectively controlled to allow for the formation of a stable, melt-processed composition that is able to exhibit good mechanical properties. For example, the extrusion temperature(s) and shear rate employed during melt blending are relatively low to help limit polypeptide dissociation, thereby minimizing the impact of aggregation and embrittlement.

Abstract: A biaxially oriented laminate film including a core layer including a blend of crystalline polylactic acid polymer and a minority amount of polyolefin with a compatibilizing resin which is biaxially oriented such that a matte or opaque appearance is obtained. The laminate film may further have additional layers such as a heat sealable layer disposed on one side of the core layer including an amorphous polylactic acid resin and/or a polylactic acid resin-containing layer disposed on the side of the core layer opposite the heat sealable layer, a metal layer, or combinations thereof.

Abstract: A glass run includes a glass run upper side part which is provided with a core member inside, and formed with a longitudinal recess at a longitudinal end portion, wherein the core member extends longitudinally of the glass run upper side part. A glass run corner part joins a glass run lateral side part to the longitudinal end portion of the glass run upper side part, and includes an extension filling the longitudinal recess of the glass run upper side part. A stopper part is fixed to at least one of the glass run upper side part and the glass run corner part, and configured to engage with an automotive door sash. The stopper part overlaps with the core member and the extension of the glass run corner part longitudinally of the glass run upper side part.

Abstract: A hose includes a reinforcement structure and a layer exterior to the reinforcement structure. The layer includes a plurality of extensions projecting outwardly. Wear of the plurality of extensions provides a visual indication of the degree of wear of the hose.

Abstract: Disclosed herein are a method of manufacturing a wood plastic composite panel, including a panel manufacturing process of extruding and cooling a resin complex, such that wood fiber is uniformly dispersed into a synthetic resin matrix, to manufacture the resin complex into the form of a panel, an embossing process of forming a wood pattern corresponding to the cut-open surface of a natural lumber on the surface of the panel to a predetermined depth, and a brushing process of removing some of a synthetic resin layer from the surface of the panel to form linear micro concavo-convex parts to a predetermined depth, and an apparatus for manufacturing a wood plastic composite panel that is capable of efficiently performing the same.

Abstract: The invention relates to a method for making light-weight dimensionally stable wood-thermoplastic composite material composed of wood chips and a thermoplastic polycaprolactone. The manufacturing process of composite material comprising the steps of compounding virgin materials with single-screw extruder and production of uniform homogeneous plate-like composite with calendering apparatus. The calendering process comprises of several cycles, folding, cooling and reheating steps. During the gentle manufacturing process fragile wood chips maintain their 3-D structural properties in polymer matrix resulting light, mechanically strong wood-plastic composite.

Abstract: An aliphatic polyester film is obtained by melt-extruding an aliphatic polyester as a film, controlling the entrained air stream between a casting drum and the film while inhibiting the variations of the film edge portion landing points on the casting drum, and subsequently bringing the film into contact with the casting drum over the entire width of the film.

Abstract: Multilayer articles comprising a coating layer comprising resorcinol arylate chain members bound to a support substrate via an optional intermediate tie layer. Adhesion between the layers of the multilayer article is enhanced by modifying at least a part of a surface of at least one of the layers in the multilayer article by a technique selected from at least one of: surface adhesive treatment, surface corona treatment, flame treatment, plasma surface treatment, vacuum deposition treatment, ionization radiation, chemical surface treatment, surface abrasion treatment, and surface texturing treating.

Abstract: A method of forming synthetic structural articles is provided. Crosslinking initiator is added to a polyolefin blend, which is co-extruded with a structural substrate. The polyolefin blend is partially crosslinked during the co-extrusion, leaving residual initiator to complete the thermoset process in a low temperature environment after the coating is applied. The polyolefin/initiator blend may be prepared as a powder or pre-extruded into pellets, during which some initial crosslinking may occur.

Abstract: The invention relates to a high-strength and brilliant quality barrier film for packing purposes, in particular for food packaging embodied in the form of a multilayer film based on of at least one carrier layer consisting of a biaxially oriented polypropylene film (PP-film) and of a functional layer based on amorphous and partially-crystalline polyamide (PA) which is produced by simultaneously stretching a primary multilayer coextruded film, wherein said polyamide functional layer consists of an external film layer and a central internal layer placed between two carrier layers. Methods for the production of the inventive film and the uses thereof are also disclosed.

Abstract: Provided is a novel pressure-sensitive adhesive tape having a moderately weak adhesion during a time period from a production process (during its production) to the time of the accomplishment of the product as a result of the completion of the production (immediately after the production). Accordingly, the peeling failure, or the like, resulting from strong adherence of a pressure-sensitive adhesive layer to a roll or the like at the time of the production can be sufficiently suppressed. As a result, stable product supply can be performed. In addition, even after the lapse of about a half day from immediately after the production, the pressure-sensitive adhesive tape can be easily rewound. On the other hand, the pressure-sensitive adhesive tape can express a sufficiently strong adhesion for an adherend after the lapse of a predetermined time from the production (e.g., at the time of its use).

Abstract: A woven panel is formed from at least one first polymer yarn and at least one second polymer yarn wherein the second polymer yarn has a core. The core yarns provide mechanical strength for the woven material in supporting the coreless yarns when used in load bearing articles such as the seat or back portions of an article of furniture.

Abstract: In one embodiment, a multiwall sheet comprises a first sheet comprising an inner surface and an outer surface, a second sheet comprising a first surface and a second surface; and a rib disposed between the inner surface and the first surface. The outer layer can have surface features and has a surface area of greater than or equal to 140% of a planar, flat, non-profiled surface area for a same unit area.

Abstract: A pressure-sensitive adhesive consisting of a homogeneous mixture of at least one natural rubber component and at least one polyacrylate component displays significantly improved properties in cohesion and aging and weathering resistance compared to the individual components. Particularly good properties are achieved when the adhesive contains x% by weight of at least one natural rubber component, y% by weight of at least one polyacrylate component, v% by weight of at least one adhesive resin component and w% by weight of additives, where 10?×x?80, 10?y<95, 0?v?50, 0?w?10 and x+y+v+w=100. A single- or double-sided adhesive tape consisting of at least one support and at least one layer of such a pressure-sensitive adhesive therefore likewise has good cohesion and aging resistance properties.

Abstract: A melt-blend resin composition prepared by melt-blending includes from 60 parts to 99 parts per hundred weight resin in the blend of an amorphous cycloolefin polymer composition exhibiting a glass transition temperature in the range of from 30° C. to 200° C.; and from 40 parts to 1 part per hundred weight resin in the blend of a partially crystalline, cycloolefin elastomer of norbornene and ethylene preferably having a glass transition temperature in the range of from ?10° C. to 15° C. and a crystalline melting temperature in the range of from 60° C. to 125° C. and a % crystallinity by weight in the range of from 5% to 40%. The partially crystalline, cycloolefin elastomer optionally has a second glass transition temperature at less than ?90° C.

Abstract: A conductive composition including a matrix resin comprising a thermoplastic resin, a conductive agent comprising a carbon black having an amine value of 1 to 100 mgKOH/g, and a stiffening agent comprising an acid anhydride, a carboxylic acid, or a compound having an epoxy group.

Abstract: The present invention relates to a copolymer polyester resin and a molded product using the same and more specifically to a copolymer polyester resin that contains 10˜80 mol % of 1,4-cyclohexane dimethanol, 0.1˜50 mol % of a diol compound expressed as HO—R6CR7—R4R1R5—COHR2R3 (where R1 is an alkyl group with a carbon number of 0˜10, and R2˜R7 are hydrogen or an alkyl group with a carbon number of 1˜10), and ethylene glycol as the remainder so that the sum of the entire diol composition is 100 mol % based on aromatic dicarboxylic acid. The copolymer polyester resin of the present invention enables reduction of cycle time and improvement of product processability and prevention of PET bottle deformation during mold processing with a heat-shrinking label by complementing low temperature shrinkage, maintaining a high shrinkage rate, and reducing shrinkage stress.

Abstract: A multipolar cable and method to manufacture it, which presents a plurality of conductors that are separated from one another and physically interconnected by means of a sheathing that is composed of a plurality of plastic insulating materials, whereby there are as many sheathing materials as conductors to be sheathed and whereby each sheathing material sheathes at least the exterior of each conductor.

Abstract: A device for making a profiled insulation having an extrusion die with an extrusion tip and a polymer chamber surrounding the extrusion tip. The polymer chamber has at least one air chamber therein. The air chamber is held in place and coupled to the outside of the extrusion die by a vertical fin extending outwards from the extrusion tip. When molten polymer flows through the polymer chamber around the air chamber, an opening is introduced into the polymer such that the profiled insulation is formed as the polymer exits the extrusion die, having a longitudinal cavity therein corresponding to the location of the opening formed by the at least one air chamber.

Abstract: A polyethylene may be prepared using a mixture of a silica supported catalyst and a magnesium chloride supported catalyst. By changing the ratio of the two catalysts, the polyethylene produced may have a varying bulk density and shear response. The method allows for the tuning or targeting of properties to fit a specific application, such as a blow molding or vapor barrier film.

Abstract: A strand guide assembly, a guiding system, and a method of controlling a flow of molten thermoplastic to form first and second strands moving from an extruder to a finishing apparatus is disclosed. The method comprises the steps of extruding molten thermoplastic to form the strands, routing the strands from the extruder to the finishing apparatus, and cooling the strands. The method comprises the steps of guiding the first strand across one shaped step when guide segments are in a single-step configuration or guiding the first strand across an abutting pair of shaped steps when guide segments are in a dual-step configuration to separate the first and second strands and guiding the second strand across another one of the shaped steps when in the single-step configuration or guiding the second strand across another abutting pair of shaped steps when in the dual-step configuration to separate the first and second strands.

Abstract: The present invention relates to a process for preparing a thermoplastic vulcanizate (TPV) comprising: contacting a thermoplastic polymer, a cross-linkable elastomer, at least one curative, and at least one cure activator in a solvent to form Composition A. The solvent is then removed, and thereafter the cross-linkable elastomer is at least partially cured. The average particle size of the cross-linkable elastomer is 10 microns or less after the solvent is removed.

Abstract: Embodiments related to the fabrication of a light guide are provided. One disclosed embodiment comprises extruding a thermoplastic polymer through a die to form an extrusion, machining the extrusion to one or more fixed dimensions, and maintaining a face of the extrusion in contact with a heated mold surface to soften or melt the face of the extrusion while applying pressure to the extrusion.

Abstract: A method and apparatus for applying a blended rubber composition directly onto a tire building drum or core is described. The method includes the steps of extruding a first rubber compound through a main extruder and a main gear pump. A second rubber compound is extruded through a second extruder and into a second gear pump. The output from the second gear pump is fed into the main extruder. The ratio of the first compound to the second compound is varied by adjusting the speed of the main gear pump and the speed of the second gear pump. A continuous strip of rubber formed of said first compound and said second compound is laid directly onto a tire building machine to form a first layer of rubber having a first blend ratio. The speed of the main gear pump and the second gear pump is adjusted to obtain a second blend ratio of said first compound to said second compound, and then a strip of rubber formed of said second blend ratio is applied to the tire building drum or core.

Abstract: A method of forming a thermoplastic vulcanizate by first providing a melt-blender having a die through which melt-blended thermoplastic vulcanizate passes to form a shaped article; wherein the die comprises a flow design having at least one flow branch having a taper angle and a flow reservoir at the end of each flow branch; and wherein the taper angle of the flow design ranges from 5 to 20 degrees; followed by melt-blending a thermoplastic and an elastomer with an organic peroxide curative in the melt-blender to form a thermoplastic vulcanizate; and finally, passing the melt-blended thermoplastic vulcanizate through the flow design to form the shaped article.

Abstract: The present invention relates to a polyester composition comprising a diacid component and a diol component, wherein the diacid component comprises: i) isophthalic acid present at a concentration in the range of from about 23 mole % to about 30 mole % of the total diacid, and ii) terephthalic acid; and wherein the diol component comprises: i) diethylene glycol present at a concentration in the range of from about 1.1 mole % to about 3.5 mole % of the total diol, and ii) ethylene glycol. Other embodiments of the present invention include a film produced from the polyester composition and processes for producing the film.

Abstract: Articles comprising neat, aligned carbon nanotubes and methods for production thereof are disclosed. The articles and methods comprise extrusion of a super acid solution of carbon nanotubes followed by removal of the super acid solvent. The articles may be processed by wet-jet wet spinning, dry-jet wet spinning, and coagulant co-flow extrusion techniques.

Abstract: The present disclosure relates to a fiber, a method of forming a fiber, a system for forming a fiber, and a method of engineering tissue from a fiber. The fiber includes an engineered geometric feature forming a non-Euclidian geometry.

Abstract: A three-dimensional model built with an extrusion-based digital manufacturing system, and having a perimeter based on a contour tool path that defines an interior region of a layer of the three-dimensional model, where at least one of a start point and a stop point of the contour tool path is located within the interior region of the layer.