Abstract: This invention provides both void-filling pellets and packaging board that are environmentally compatible and biodegradable. They are made from starch and cellulose fiber, potentially from recycled paper Extruded Pulp Fiber shell waste The void-filling pellets have a hard outer shell and a foamed interior. This makes them resilient to crushing, while at the same time reversibly compressible, providing protection for the item inside the packaging. The reinforced packaging board also has a hard outer shell and a foamed interior, and is reinforced by way of a multi-laminate or corrugated structure. Both the pellets and the board are made by an extrusion process that creates the outer layer and fills the interior with foam.

Abstract: Microfabricated particles are dispersed throughout a matrix to create a composite. The microfabricated particles are engineered to a specific structure and composition to enhance the physical attributes of a composite material.

Abstract: The present invention provides bimodal polyethylene resins in which the high molecular weight ethylene copolymer component typically has a relatively narrow molecular weight distribution, with short chain branching content being substantially constant across its molecular weight distribution. The resins of this invention are typically characterized by improved toughness and resistance to slow crack propagation properties making them useful for pressure pipe applications.

Abstract: The present invention relates to an integrated Assisting Cooling (AC) device, system and method for use with PED devices, allowing use of biopolymers having higher melting points in the fabrication of 3D scaffolds. The AC device cools the filament as it is extruding from the nozzle via low flow convective cooling. The AC device allows for cooling in the +/? direction of motion on an XY plane. The AC device elevates with the material delivery chamber. The AC device allows for scaffold fabrication at applied temperatures as high as about 250° C.

Abstract: A structure is disclosed containing a sorbent with amine groups that is capable of a reversible adsorption and desorption cycle for capturing CO2 from a gas mixture wherein said structure is composed of fiber filaments wherein the fiber material is carbon and/or polyacrylonitrile.

Abstract: Methods for dissolving carbon materials such as, for example, graphite, graphite oxide, oxidized graphene nanoribbons and reduced graphene nanoribbons in a solvent containing at least one superacid are described herein. Both isotropic and liquid crystalline solutions can be produced, depending on the concentration of the carbon material The superacid solutions can be formed into articles such as, for example, fibers and films, mixed with other materials such as, for example, polymers, or used for functionalization of the carbon material. The superacid results in exfoliation of the carbon material to produce individual particles of the carbon material. In some embodiments, graphite or graphite oxide is dissolved in a solvent containing at least one superacid to form graphene or graphene oxide, which can be subsequently isolated. In some embodiments, liquid crystalline solutions of oxidized graphene nanoribbons in water are also described.

Abstract: A batch mixture including ceramic-forming ingredients, a pore former, a binder comprising an ammonium salt of an alkylated cellulose binder, and a liquid vehicle, as defined herein. Also disclosed is a method for producing a ceramic precursor article as defined herein having excellent extrusion properties.

Abstract: Disclosed is a process for the preparation of shaped articles such as, for example, sheeting, films, tubes, bottles, preforms and profiles, having high transparency and low haze comprising immiscible blends of one or more thermoplastic polymers selected from polyesters, polycarbonates, and polyarylates, and a copolyamide or a transamidized, homogeneous blend of a least two polyamides. The components of the immiscible blend which have refractive indices which differ by about 0.006 to about ?0.0006. The small difference in the refractive indices enables the incorporation of regrind into the polymer composition to produce transparent shaped articles. These articles may have one or more layers and can exhibit improved excellent barrier properties and good melt processability while retaining excellent mechanical properties. Metal catalysts can be incorporated into the compositions to produce shaped articles having oxygen-scavenging properties.

Abstract: Biocompatible coatings and spin finishes that can be applied to polyhydroxyalkanoate (PHA) polymers, and medical devices made from PHA polymers, have been developed. The coatings impart good lubricity to PHA polymers, particularly to fibers and braids made from these materials, making the coatings ideal for use on medical devices such as PHA braided sutures. The spin finishes can be applied to PHA fibers to facilitate their manufacture, and also for their conversion to other products, including medical textiles. The spin finishes serve to protect multifilament fiber bundles, and keep them intact following extrusion, and also to impart lubricity to the fiber bundles and monofilament fibers so that they are not damaged in subsequent processing steps particularly in textile processing. The coating reduces tissue drag of, for example, braided sutures.

Abstract: Filaments that contain a filament-forming material and an additive, nonwoven webs, and methods for making such filaments are provided.

Abstract: Disclosed are water-dispersible fibers derived from sulfopolyesters having a Tg of at least 25° C. The fibers may contain a single sulfopolyester or a blend of a sulfopolyester with a water-dispersible or water-nondispersible polymer. Also disclosed are multicomponent fibers comprising a water dispersible sulfopolyester having a Tg of at least 57° C. and a water non-dispersible polymer. The multicomponent fibers may be used to produce microdenier fibers. Fibrous articles may be produced from the water-dispersible fibers, multicomponent fibers, and microdenier fibers. The fibrous articles include water-dispersible and microdenier nonwoven webs, fabrics, and multilayered articles such as wipes, gauze, tissue, diapers, panty liners, sanitary napkins, bandages, and surgical dressings. Also disclosed is a process for water-dispersible fibers, nonwoven fabrics, and microdenier webs.

Abstract: A fiber reinforced polypropylene composite interior trim cover panel. The interior trim cover panel is molded from a composition comprising at least 30 wt % polypropylene based resin, from 10 to 60 wt % organic fiber, from 0 to 40 wt % inorganic filler, and optionally from 0 to 0.1 wt % lubricant, based on the total weight of the composition, the interior trim cover panel having an outer surface and an underside surface. A process for producing an interior trim cover panel for a vehicle is also provided. The process includes the step of injection molding a composition to form the interior trim cover panel for a vehicle, the interior trim cover panel having at least an outer surface and an underside surface, wherein the composition comprises at least 30 wt % polypropylene, from 10 to 60 wt % organic fiber, from 0 to 40 wt % inorganic filler, and optionally from 0 to 0.1 wt % lubricant, based on the total weight of the composition.

Abstract: The invention relates to a composition comprising, relative to the total weight of the composition: between 25% and 52% by weight of at least one semi-crystalline or amorphous polyamide, having an amine chain-end content of less than 0.040 meq/g, between 24% and 40% by weight of at least one reinforcer, and between 24% and 35% by weight of at least one metal salt, optionally contained in a polymer, chosen from a metal salt of phosphinic acid, a metal salt of diphosphinic acid, and a mixture thereof. The invention also relates to the process for preparing this composition and its use.

Abstract: Disclosed are a molecular miscible blend solution of aromatic polyamide which is composed of a homogeneous mixture of a highly crystalline para-aromatic polyamide polymer and a non-crystalline polymer and is optically anisotropic, a method for preparing the same, an aromatic polyamide blend fiber prepared from the same and a method for dying the fiber at room pressure. Disclosed is a molecular miscible blend solution of aromatic polyamide and a non-crystalline polymer, in which an aromatic polyamide polymer having repeat units represented by the following Formula (I) and polyvinylpyrrolidone at an amount of 5 to 100% of the weight of the aromatic polyamide are dissolved in a polar organic solvent containing an inorganic salt.

Abstract: Processes for producing carbon fibre, the filament thereof and pre-oxidized fibre are provided. In one embodiment, the gel spinning of polyacrylonitrile filament is achieved by using small-molecule gelling agent, and the carbon fibre obtained thereby is increased by 15% to 40% in tensile strength and by 20% to 35% in toughness. In another embodiment, the melt spinning process of polyacrylonitrile is conducted by using imidazole type ion liquid as plasticizer, the process reduces environment pollution, is suitable for industrial production and the fibre produced thereby is improved in its strength. In yet another embodiment, polyacrylonitrile pre-oxidized fibre is produced by melt spinning, so low cost and controllable pre-oxidization of polyacrylonitrile can be achieved. In a further embodiment, high strength carbon fibre is manufactured by using polymer thickening agent.

Abstract: The present disclosure relates to a method of forming fibers. First and second precursors, each possessing a core and at least one functional group known to have click reactivity, are mixed. The mixed precursors are then extruded under heat to cross-link during fiber production.

Abstract: A process for manufacturing a disk shaped component comprising fabricating a disk shaped component using a composite material having at least a first material and a second material, wherein the first material is disposed at and proximate to a center portion of the disk shaped component and the second material is disposed at and proximate to a rim of the disk shaped component, wherein the first material comprises a first coefficient of thermal expansion, a first stress value and a first oxidation resistance, and the second material comprises a second coefficient of thermal expansion, a second stress value and a second oxidation resistance, wherein the first coefficient of thermal expansion is greater than the second coefficient of thermal expansion, the first stress value is greater than the second stress value and the first oxidation resistance is less than the second oxidation resistance.

Abstract: The present invention provides a processing method of the natural cellulose fiber with feature for enhancing the capability of antifungi, antibacteria and deodorization. The procedure is that firstly modify and reduce the properties of the natural chitosan of high polymer material to nanometer scale; secondly dunk the chitosan into the syrup-like mixture of wood pulp and NMMO solvent to yield quasi-dope; thirdly dehydrate the quasi-dope of paste mixture to form the mud-like dope; fourthly spin the dope by dryjet wet spinning method; fifthly regenerate the filament in coagulation bath, water rinse and dry; finally water rinse, dry, apply the lubricant to finish. The water soluble chitosan, which has been treated by property modification and reduced to nanometer scale, can effectively and completely solve in the cellulose of low DP to offer wider extent of selection in the DP and better flexibility of adding percentage in content of modified chitosan.

Abstract: A description is given of a process for the preparation of a pharmaceutical composition of a macrolide antibiotic in essentially noncrystalline form, in which the macrolide antibiotic, a water-swellable polymer and a proton donor are blended in an extruder in the presence of water and forced through a die, the ratio by weight of the sum of macrolide antibiotic, water-swellable polymer and proton donor to water being at least 1:1. The macrolide antibiotic is preferably clarithromycin and the water-swellable polymer is preferably chosen from crosslinked polyvinylpyrrolidone, crosslinked sodium carboxymethylcellulose and crosslinked polyacrylic acid.

Abstract: Disclosed herein are processes for preparing implants that are particularly useful for thermally labile bioactive agents but can also generally be used with any bioactive agent. The disclosed processes avoid the use of heat during processing and therefore avoid heat induced degradation of the bioactive agent. Also disclosed are implants prepared by the disclosed methods.

Abstract: The invention relates to the preparation of poly(trimethylene terephthalate) polymer pellets with reduced oligomers and a process for measuring the reduction of oligomers in PTT polymer which occurs when the polymer is subjected to a heat source. This reduction allows for lower polymer blooming due to reduction of oligomers in the polymer.

Abstract: The present invention relates to a filter material including a sheet-like laminate which includes an ultrafine fiber aggregate layer formed of an aggregate of ultrafine fibers produced by an electrospinning method having an average fiber diameter of not less than 10 nm and not more than 1000 nm, and a base material formed of a nonwoven fabric or a woven fabric constituted from fibers having an average fiber diameter of 1 ?m or more, said filter material satisfying all of a plurality of specific requirements, having a capability of collecting or separating ?m-order microfine particles with a high accuracy and exhibiting a less pressure loss and a long filtering life, as well as a filter cartridge using the filter material.

Abstract: The present invention relates to a composite fiber containing a thermoplastic polymeric matrix comprising a polyetherketoneketone (PEKK) in which multi-walled nanotubes, especially carbon nanotubes, are dispersed. It also relates to a process for manufacturing this composite fiber and to the uses thereof.

Abstract: Disclosed in one aspect is a film comprising at least one core layer comprising a blend of at least 20 wt %, by weight of the core layer, of a first linear LLDPE having a molecular weight distribution (Mw/Mn) within the range of from 1.0 to 4.0; and at least 20 wt %, by weight of the core layer, of a second LLDPE—in a certain embodiment a short-chain branched LLDP—having a molecular weight distribution (Mw/Mn) within the range of from 1.0 to 7.0; characterized in that the density of the second LLDPE is greater than the density of the first LLDPE by at least 0.002 g/cm3; and/or the I2 of the second LLDPE is greater than the I2 of the first LLDPE by at least 0.5 dg/min. In certain embodiments, the first and second LLDPEs are produced by a metallocene-catalyzed reaction. In yet another embodiment, the combined molecular weight distribution (Mw/Mn) of the first and second LLDPEs is greater than 4.0.

Abstract: A wheel rim protector comprising a base comprising an external face and an internal face, the external face comprising a curved profile and a side-wall extending from a first side of the base is disclosed. Also disclosed is a wheel rim protector comprising a base comprising one or more kink and/or curve along a base length, an external face and an internal face and a side-wall extending from a first side of the base. Methods of making the wheel rim protectors are also disclosed.

Abstract: An alternating pattern gel cushioning device and methods for making the same. The gel pattern may be two- or three-dimensional. The devices may be zoned or stacked. The device may be made by a variety of methods including roller molding, open-face molding, injection molding, casting, extrusion, compression molding and other methods.

Abstract: A molded article such as a floor tile is made from recycled carpet waste which includes a polyvinyl chloride component in the backing material and fiber component having a melting point above the melting point of polyvinyl chloride. A mixture of the recycled carpet material is shredded and additional polyvinyl chloride is fed to an extruder where the polyvinyl chloride is melted without melting the carpet fibers. The resulting mixture is discharged and molded, such as by injection molding, to form a molded product. The molded product includes a continuous matrix of polyvinyl chloride having recycled carpet fibers uniformly dispersed therein. The molded article contains about 45% to about 85% of polyvinyl chloride, about 5% to about 20% of recycled carpet fibers, up to about 5% of a plasticizer and up to about 5% of an ethylene copolymer by weight based on the total weight of the product.

Abstract: The present invention relates to processes for preparing an antimicrobial plastic body, said processes comprising molding a precursor and being characterized in that prior to molding at least one component of the precursor is treated with a metal colloid.

Abstract: A method for producing a filament yarn from a para-aromatic polyamide, having an optically anisotropic aramid spinning solution filtered within a spinneret arrangement by using a filter having passage openings and extruded within the spinneret arrangement through a plurality of spinning orifices. The extruded anisotropic aramid spinning solution is guided via an air gap, stretched in the process, and collected in an aqueous coagulation bath. The optically anisotropic aramid spinning solution in the spinneret arrangement is fed to the spinning orifices via a flow resistor. The flow resistor is arranged closer to the spinning orifices than the filter, and the flow resistor and the filter are arranged at a distance to one another. The method may also include a para-aromatic polyamide filament yarn.

Abstract: The invention relates to thermoplastic polyamide moulding compositions containing: (A) at least 20% by wt. polyamide and/or at least one copolymer containing at least 20% by wt. polyamide structural units; (B) 0.01% by wt. to 2% by wt., relative to the polyamide portion and/or the portion of polyamide structural units, of the composition of a copper-containing stabiliser; and (C) 0.01% by wt. to 3% by wt., relative to the polyamide portion and/or the portion of polyamide structural units of the composition, of at least one organic compound containing metal complexing groups, so that the copper ions are present in complexed form through binding to the metal-complexing groups. These moulding compositions may be used as coating material for coolant lines.

Abstract: The present disclosure relates to a method of forming fibers. First and second precursors, each possessing a core and at least one functional group known to have click reactivity, are mixed in a hopper. The mixed precursors are then extruded through an extrusion die to crosslink and produce a filament. Polymerization of the first and second precursors is catalyzed by transition metal ions.

Abstract: A pre-expanded polypropylene resin particle can be produced in the following manner: a polypropylene resin particle produced by an under water cut method, water, a dispersing agent, and a foaming agent are charged in a pressure-resistant container, the resulting mixture is heated to a temperature equal to or higher than the softening temperature of the polypropylene resin particle to allow the polypropylene resin particle to be impregnated with the foaming agent under pressure, and the resulting product is released into the atmosphere having a pressure lower than the pressure of the inside of the pressure-resistant container. As the polypropylene resin composition, a composition is used which comprises 100 parts by weight of a polypropylene resin and 1 to 20 parts by weight of a polyethylene resin having a melt viscosity of 10 to 2000 mPa·s at 140° C.

Abstract: A process for manufacturing organic fibers containing an inorganic component comprising the steps of: (1) preparing an inorganic spinnable sol solution; (2) mixing the inorganic spinnable sol solution, a solvent capable of dissolving the inorganic spinnable sol solution, and an organic polymer capable of being dissolved in the solvent to prepare a spinning solution; and (3) spinning the spinning solution to form the organic fibers containing an inorganic component composed of an inorganic gel and the organic polymer, is disclosed. The inorganic spinnable sol solution preferably has a weight average molecular weight of 10,000 or more, and the inorganic spinnable sol solution is preferably prepared from a material containing a metal alkoxide having an organic substituent.

Abstract: This invention relates to chemical polymer compositions, methods of synthesis, and fabrication methods for devices regarding polymers capable of displaying shape memory behavior (SMPs) and which can first be polymerized to a linear or branched polymeric structure, having thermoplastic properties, subsequently processed into a device through processes typical of polymer melts, solutions, and dispersions and then crossed linked to a shape memory thermoset polymer retaining the processed shape.

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: A process for making a synthetic melt spun polyamide filament in a solid phase polycondensation apparatus is disclosed. The flow rate of the purge (make-up) gas to the apparatus is increased, and the overall pressure in the apparatus is decreased, as compared to solid phase polycondensation apparatus of the prior art. As a result, the removal of the thermal degradation impurity from the polymer flake contributes to improving the yarn quality and at the same time, extends the spinneret wipe life.

Abstract: A die (20) comprising two die cavities (38,40), with each supplying one polymeric material, a septum (26) separating the two die cavities (38,40), and a die opening (44) through which an extrudate is extruded. The septum (26) has a dispensing edge (36) and a plurality of extrusion channels. First extrusion channels connect one die cavity (38) and second extrusion channels connect the other die cavity (40) to the dispensing edge (36). The first and second extrusion channels are disposed in alternating positions along the dispensing edge such that one first channel is disposed between any two adjacent second channels. A method of extruding with such a die (20) and an extruded article made therefrom. The extruded article comprises a plurality of longitudinal first zones composed of a first polymeric material alternating with a plurality of longitudinal second zones composed of a second polymeric material such that one first zone is disposed between any two adjacent second zones.

Abstract: A polycarbonate thin molded article containing a resin composition, the resin composition containing: 100 parts by weight of a resin (A), the resin (A) being an aromatic polycarbonate or a resin mainly containing an aromatic polycarbonate; 0.1 to 200 parts by weight of an inorganic compound (B); 0.001 to 10 parts by weight of at least one compound (C) selected from an organic acidic compound and an organic acidic compound derivative; and 0.001 to 1 part by weight of at least one metal salt (D) selected from an organic acid alkali metal salt and an organic acid alkaline earth metal salt, a part corresponding to at least 50% of the surface area of the polycarbonate thin molded article having a thickness of less than 0.7 mm, and a shrinkage ratio S1(%) in a molding flow direction of the polycarbonate thin molded article upon its being left under an atmosphere of 170° C. for 30 minutes satisfying the following formula (1): ?60<S1<?1??formula (1).

Abstract: The present invention relates to a cable comprising a conductor surrounded by one or more layers, wherein at least one layer comprises a polymer composition comprising a copolymer of ethylene with one or more comonomers, to a process for producing the cable and to a polymer composition suitable as a cable layer material.

Abstract: A process for crystallizing a polyester polymer by introducing a molten polyester polymer, such as a polyethylene terephthalate polymer, into a liquid medium at a liquid medium temperature greater than the Tg of the polyester polymer, such as at a temperature ranging from 100° C. to 190° C., and allowing the molten polyester polymer to reside in the liquid medium for a time sufficient to crystallize the polymer under a pressure equal to or greater than the vapor pressure of the liquid medium. A process flow, underwater cutting process, crystallization in a pipe, and a separator are also described.

Abstract: A biocidal polymer including at least one repeating unit of formula (A): wherein: R1 in each occurrence independently represents a divalent aromatic group containing 6 to 30 carbon atoms, a C2-C16 alkylene group or an alkylene biscyclohexyl; Y in each occurrence independently represents an oxygen atom or a sulfur atom; and Z1, Z2, Z3 and Z4 in each occurrence independently represent a hydrogen atom or a halogen atom; wherein at least one of Z1, Z2, Z3 and Z4 in the at least one repeating unit of formula (A) is a halogen atom.

Abstract: Provided is the following novel pressure-sensitive adhesive tape that expresses a sufficiently strong adhesion for an adherend. The adhesion of the novel pressure-sensitive adhesive tape in its production process is controlled so as to be moderately weak. Accordingly, a peeling failure and the occurrence of a wrinkle are sufficiently suppressed, and hence stable product supply is performed.

Abstract: A polyamide molding composition which can be used for production of a printable or printed item contains a) at most 90 parts by weight of a polyamide obtained from a lactam or from an amino carboxylic acid having at least 10 carbon atoms; and b) from 10 to 100 parts by weight of PA1010, wherein a total of components a) and b) is 100 parts by weight.

Abstract: A breathable film includes at least one polymer (a) taken from the group comprising an ethylene/alkyl (meth)acrylate copolymer (a1), an optionally neutralized ethylene/ (meth)acrylic acid copolymer (a2), an ethylene/vinyl monomer copolymer (a3), the (a1)/(a2) blend, the (a1)/(a3) blend, the (a2)/(a3) blend and the (a1)/(a2)/(a3) blend, and/or includes at least one functionalized polyethylene (b); and at least one copolymer (c) having copolyamide blocks or polyester blocks and polyether blocks.

Abstract: The present invention relates to a polyester film produced by melt-extruding a polyester composed of a dicarboxylic acid unit and a diol unit, wherein 1 to 80 mol % of the diol unit is a unit containing a cyclic acetal skeleton, and the polyester film has an in-plane retardation of 20 nm or less at a wavelength of 550 nm. The polyester film is an optically isotropic polyester film which is easily produced by an extrusion-molding method and has an economical advantage. The polyester film is useful for production of optical members or optical products such as phase difference films, protective films for polarizing plates, light diffusion films, lens sheets, anti-reflection films and optical information recording media.

Abstract: A process is provided for producing a compatibilized polymeric blend. A first thermoplastic polymer and a reactive moiety are provided to a progressive melt kneading apparatus. The reactive moiety comprises a first reactive group capable of reacting with the first thermoplastic polymer but not a second polymer and a second reactive group capable of reacting with the second polymer but not the first polymer. The first thermoplastic polymer and the reactive moiety are then melt kneaded so that the first reactive group reacts with the first thermoplastic polymer and the second reactive group is grafted to the first thermoplastic polymer, forming a molten self-compatibilizer. A molten second polymer is then provided. The molten self-compatibilizer is melt kneaded with the molten second polymer so that the second reactive group reacts with the second polymer to form a compatibilized polymeric blend. Also provided are articles formed from the compatibilized polymer blend.

Abstract: De-airing of PVB/glass laminates can be improved, while haze in the pre-press is minimized and sleep time reduced as a result using a PVB sheet having a roughened surface with directionality. A roughened surface with a washboard pattern that is useful in this regard can be obtained by varying certain conditions of a melt-fracture extrusion process.

Abstract: A curable resin composition and powder coating compositions made therefrom including (a) an epoxy resin; (b) an amphiphilic block copolymer containing at least one epoxy resin miscible block segment and at least one epoxy resin immiscible block segment; wherein the immiscible block segment comprises at least one polyether structure provided that the polyether structure of said immiscible block segment contains at least one or more alkylene oxide monomer units having at least four carbon atoms; such that when the epoxy resin composition is cured, the toughness of the resulting cured epoxy resin composition is increased; and (c) at least one curing agent required for the manufacturing, application and proper performance of the powder coating. The amphiphilic block copolymer is preferably an all polyether block copolymer such as a PEO-PBO diblock copolymer or a PEO-PBO-PEO triblock copolymer.

Abstract: The present invention relates generally to a novel process for making a solid solventless MQ resin comprising the steps of (1)(A) feeding at least one MQ resin dispersed in a volatile solvent into an extrusion device, (2) removing the volatile solvent to form a solid solventless MQ resin; and (3) recovering the solid solventless MQ resin, provided steps (1) to (3) are completed without the addition of a linear silicone fluid.

Abstract: Domain segregation of polymer blends or block copolymers in the presence of thermal conducting high aspect ratio nanocrystals leads to preferential placement of conductive filler either inside one domain, which promote the self-assembly of a thermal and/or electrical conducting pathway composed of high aspect ratio filler. The self-assembly of such thermal and/or electrical conducting pathway effectively enhances the thermal and/or electrical conductivity of the composite with significantly less amount of filler.