Abstract: Crosslinking systems suitable for use in a polymer melt composition wherein the polymer melt composition comprises a hydroxyl polymer; polymeric structures made from such polymer melt compositions; and processes/methods related thereto are provided.

Abstract: The present invention is directed toward compositions comprising carbon nanotubes (CNTs) that are sidewall-functionalized with amino acid groups, and to amino acid compositions comprising carbon nanotubes. The present invention is also directed to simple and relatively inexpensive methods for the preparation of such compositions. Such compositions are expected to greatly extend the bio-medical applications of CNTs.

Abstract: Microtanks are formed in capped holey fibers. Holey fiber is composed of a shell, a porous layer and a hollow core. Compressed gas can be stored in plurality of microtanks at elevated pressure. A method of storing and releasing hydrogen gas in or out of a plurality of microtanks is also disclosed.

Abstract: Nanofibers and methods for making the nanofibers are described. Porous metal oxide nanofibers and porous metal oxide nanofibers comprising metal nanoparticles made via electrospinning methods are also described.

Abstract: Disclosed is AA? graphite with a new stacking feature of graphene, and a fabrication method thereof. Graphene is stacked in the sequence of AA? where alternate graphene layers exhibiting the AA? stacking are translated by a half hexagon (1.23 ?). AA? graphite has an interplanar spacing of about 3.44 ? larger than that of the conventional AB stacked graphite (3.35 ?) that has been known as the only crystal of pure graphite. This may allow the AA? stacked graphite to have unique physical and chemical characteristics.

Abstract: A polymer alloy has been developed comprising a polysulfone and a vinyl lactam polymer. The resulting alloy has excellent thermal characteristics and even in the presence of substantial quantities in vinyl lactam polymers, has solvent resistance to both organic and aqueous solvent materials. The materials, when dissolved in solvents, can be spun from a variety of solvents into a variety of useful fiber materials. The resulting fine fiber, microfiber and nanofiber materials have excellent thermal and chemical resistance for a variety of fiber applications. The polymer alloys of the invention can be spun into nanofiber mats that can act as a filtration media and can also be combined into conventional substrate materials for fabrication into filter structures.

Abstract: The invention relates to polycrystalline corundum fibers substantially consisting of corundum and an oxide of the elements of the main groups I or II of the periodic table. The crystallites of said corundum fibers have the following grain size distribution: 0 to 0.15 micrometers (34%), 0.15 to 0.29 micrometers (55%) and 0.29 to 0.43 micrometers (11%). Said corundum fibers are produced by mixing nuclei and an oxide former of the elements of the main groups I or II of the periodic table with an aluminium chlorohydrate, by adding a water-soluble polymer, then by spinning fibers from said mixture and by calcining said fibers at temperatures above 1100° C.

Abstract: A nanotube-shaped titania having an aspect ratio of 6 or greater can be produced by anodizing a titanium metal or an alloy containing mainly titanium in an electrolyte solution containing a halogen atom-containing ion, such as a perchloric acid aqueous solution.

Abstract: Opaque flakes, such as pigment or bright flake used in paints and inks, have a selected shape and/or other indicia to provide a covert security feature to an object. In some embodiments the composition includes base pigment, and the opaque covert flakes match the visual characteristics of the base pigment. In another embodiment, opaque covert flakes are mixed in the carrier with base pigment at a concentration sufficient to avoid changing the appearance of the composition. In another embodiment, opaque covert flakes are mixed in a clear or tinted varnish base that can be applied over an existing security feature. Shaped opaque covert flakes are not readily detectable by causal observation, but in some embodiments are easily seen at 50× magnification. In manufacturing the flakes a sheet of embossed frames are provided having symbols or indicia within; upon removing a coating from the sheet the coating material tends to break along frame lines and the resulting flakes are substantially uniform in size.

Abstract: A novel solvent system for dissolving rigid-rod like polymers, such as polybenzoxazole (PBO), is disclosed, wherein said solvent system includes: a methanesulfonic acid (MSA) and a trifluoroacetic acid (TFA). Therefore, the rigid-rod like polybenzoxazole (PBO) can be easily dissolved in said solvent system without extra heat treatment. Besides, the polybenzoxazole (PBO) solution of said solvent system is firstly able to apply into electrospinning at room temperature to produce PBO nano-fiber, which has metallic luster and high thermal stability. Evident supported by the WAXD suggested these fibers have their molecular chains well aligned along the fiber spinning direction and has the advantages of heat resistance, flame retardance, and chemical environmental resistance, thus can be applied to a wide usage.

Abstract: A utility pole includes a thermoplastic composite material including: (a) at least one olefin polymer; and (b) at least one reinforcing fiber material embedded in the at least one olefin polymer, the thermoplastic composite material having a specific tensile strength higher than or equal to 15 MPa/(gr/cm3), preferably 20 MPa/(gr/cm3) to 200 MPa/(gr/cm3), and more preferably 30 MPa/(gr/cm3) to 150 MPa/(gr/cm3) and a specific tensile modulus higher than or equal to 2000 MPa/(gr/cm3), preferably 2500 MPa/(gr/cm3) to 20000 MPa/(gr/cm3), and more preferably 3000 MPa/(gr/cm3) to 15000 MPa/(gr/cm3).

Abstract: The present invention relates to a high tenacity polyurethane monofilament and a process for manufacturing the same, comprising of orienting and dynamic annealing of a polyurethane-containing monofilament. In addition to high tenacity, the present invention imparts reduced shrinkage and elongation to monofilament fibers, facilitating the use of thermoplastic elastomers in industrial fabrics, particularly in paper machine clothing (PMC). The brief abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

Abstract: Provided is a polymer filament having an average diameter of about 20 to 5000 nm, the filament comprising a polyarenazole polymer having an inherent viscosity of greater than about 20 g/dl. Also provided are yarns comprising such filaments. Additional aspects concern fabrics and garments comprising such filaments and/or yarns.

Abstract: To provide a method for producing a silver nanowire, including heating a silver complex in an aqueous solvent at a temperature equal to or below the boiling point of the aqueous solvent in the presence of at least one of a hydroxyketone compound and a hydroxylamine compound, and a silver nanowire obtained by the method.

Abstract: It is an object of the invention to provide a starting material for glass fiber-containing thermoplastic resin molded articles that not only exhibits superior tensile strength but also excellent impact strength and improved surface smoothness. Suitable flat glass fiber-containing pellets 100 are obtained by orienting a plurality of flat glass fiber filaments 20 with flat cross-sections in a single direction in pellets 10 composed of a thermoplastic resin, so that both edges of the filaments reach the pellet surfaces.

Abstract: Structures and methods for the fabrication of ceramic nanostructures. Structures include metal particles, preferably comprising copper, disposed on a ceramic substrate. The structures are heated, preferably in the presence of microwaves, to a temperature that softens the metal particles and preferably forms a pool of molten ceramic under the softened metal particle. A nano-generator is created wherein ceramic material diffuses through the molten particle and forms ceramic nanostructures on a polar site of the metal particle. The nanostructures may comprise silica, alumina, titania, or compounds or mixtures thereof.

Abstract: A process for producing metallic fine particles is provided by, the reduction of the metallic ions performed in two steps using two types of reducing agents which significantly differ in reducing ability thereof, in which a reducing agent in which the reduction ability is strong is used in the first reduction step, and a reducing agent in which the reduction ability is weak is used in the second reduction step, and the nano-sized metallic fine particles are produced. An aqueous metallic salt solution containing a surfactant is used and a two-step reduction is performed in the same vessel, in which as the reducing agent of the first reduction process, at least one selected from the group consisting of boron hydride, dimethylamine borane, hydrazine, and ascorbic acid is used, and as the reducing agent of the second reduction process, specific alkylamine or alkanolamine is used.

Abstract: Apparatuses and methods for the production of superfine fibers.

Abstract: A rope comprising a plurality of high tenacity polyolefin yarns aligned in a substantially uniaxial direction along the length of the rope. The rope yarns are substantially untwisted and are substantially parallel to each other. The yarns are formed from a plurality of fibers aligned in a substantially uniaxial direction along the length of the yarns, with the fibers being substantially untwisted and being substantially parallel to each other. The fibers comprise high tenacity polyolefin fibers. Adjacent yarns are connected together by contact of their respective resin surface coatings.

Abstract: The invention provides a fiber which is excellent in electrolyte absorption and retentivity and oxidation resistance and is suitable for use as a separator for alkaline secondary batteries. The invention is an ethylene/vinyl alcohol-derived copolymer fiber comprising an ethylene/vinyl alcohol-derived copolymer (A) having the following structural unit (1): (wherein R1 represents a hydrogen atom or an organic group; X represents a bonding chain other than ether bond; n represents 0 or 1; and R2 to R4 each represent a hydrogen atom or an organic group).

Abstract: A conductive thermoplastic composition capable of forming conductive fibers including monofilaments, methods of making these compositions, and fibers including these compositions. The conductive thermoplastic compositions may be formed using any method capable of forming the compositions into fibers. The fibers are substantially smooth and/or are capable of being woven into fabrics or other articles to provide conductive properties to the fabric or article. These fibers provide effective static charge dissipation that may be imparted into applications such conveying belts or protective clothing for clean room operation.

Abstract: Exemplary embodiments provide composite materials, methods for making and processing these materials, and systems for using the composite materials. The disclosed composite material (or composite member) can include fiber-like and/or particulate materials incorporated within a binder polymer. For example, the composite member can include fibril-shaped, semi-conductive elements that are contained in a suitable binder polymer to achieve a particular resistance value, wherein the fibrils can be integrated and interlinked in a manner as to create an array of resistive elements that precisely define and control current flows through the related device. The composite member can therefore have resistive characteristics and, none or neglectablely low amount of capacitive or inductive characteristics. The composite member can be used in electric test market, e.g., as high performance, dynamic probes/sensors for very frequency and/or complex mixed-frequency signals.

Abstract: Endless shaped article, comprising at least partly fused ultra-high molecular weight polyolefin filaments and or staple fibres. Also claimed is a process for producing the endless shaped article by winding a fibre (1) of the ultra-high molecular weight polyolefin around a pair of wheels (2, 3) to form a loop, heating the fibres to a temperature below the melting point at which the fibres at least partly fuse and stretching the loop by increasing the distance between the wheels, while rotating the wheels.

Abstract: An apparatus and method in which the apparatus includes a first electrospinning device configured to electrospin first fibers of a first substance, a second electrospinning device configured to electrospin second fibers of a second substance such that first and second fibers combine in a mat formation region, and a biasing device configured to bias the first electrospinning device with a first electric polarity and to bias the second electrospinning device with a second electric polarity of opposite polarity to the first electric polarity to promote attraction and coalescence between the first and second fibers. The method electrospins under the first electric polarity first fibers from the first substance, electrospins under the second electric polarity fibers from the second substance, and coalesces the first and second fibers to form the fiber mat.

Abstract: Methods for modulated degenerative transfer living polymerization and isotactic-atactic stereoblock and stereogradient poly(olefins) thereby Abstract A method of producing a multiblock, stereoblock polyolefin having substantially uniform microstructure is disclosed. The method includes contacting a Ziegler-Natta pre-catalyst with a co-catalyst and an olefin to polymerize the olefin and form a first stereoblock, adding a methyl donator that changes the stereoregularity of the polymerization, and polymerizing the olefin to form a second stereoblock. The methods of the present invention allow for the production of poly(olefin)s having predictable degrees of incorporation of stereoerrors of a known type. The methods allows for the production of a variety of poly(olefin) microstructures, ranging from stereoblock to stereogradient poly(olefin)s and poly(olefin)s having fully isotactic to fully atactic microstructures.

Abstract: A sealing material for a honeycomb structure includes inorganic fibers, oxide sol, and inorganic particles. The inorganic fibers include at least one of an alkali metal compound, an alkaline earth metal compound and a boron compound. The sealing material has a pH of at least about 4 and at most about 6.

Abstract: The present invention is directed to a coated superabsorbent polymer comprising a coated superabsorbent polymer having a delayed free water absorption property of absorbing about 13 grams or less of water per gram of superabsorbent polymer in about 15 seconds. The present invention is directed to a coated superabsorbent polymer having delayed water absorption comprising a) a composition comprising from about 55 to about 99.9 wt. % of polymerizable unsaturated acid group containing monomers; and from about 0.001 to about 5.0 wt. % of internal crosslinking agent; wherein the composition has a degree of neutralization of more than about 20%; and b) a salt coated on the composition.

Abstract: Cellulosic fibers having enhanced reversible thermal properties and applications of such cellulosic fibers are described. In one embodiment, a cellulosic fiber includes a fiber body including a cellulosic material and a set of microcapsules dispersed in the cellulosic material. The set of microcapsules contain a phase change material having a latent heat of at least 40 J/g and a transition temperature in the range of 0° C. to 100° C., and the phase change material provides thermal regulation based on at least one of absorption and release of the latent heat at the transition temperature. The cellulosic fiber can be formed via a solution spinning process, and can be used in various products where thermal regulating properties are desired.

Abstract: A ceramic fiber having an average fiber diameter of from 50 to 1000 nm, a fiber length of 100 ?m or more, and a BET specific surface area of from 0.1 to 10 m2/g.

Abstract: A method of applying a length of discontinuous fiber material to a surface comprises placing the material between a roller and the surface, urging the roller toward the surface such that the roller causes at least a portion of the length of discontinuous fiber material to engage the surface, and applying the length of discontinuous fiber material to the surface by moving one of said roller and said surface relative to the other such that the roller rolls along an application path of said surface. The application path may include one or more curves, wherein a first portion of the material lengthens relative to a second portion of the material, thereby allowing the material to lay evenly against the surface through the one or more curves without separating from the surface.

Abstract: A spiral-link fabric for use in a papermaking machine or the like. The spiral-link fabric may include a plurality of spiral coils arranged in a predetermined manner such that adjacent ones of side-by-side spiral coils are interdigitated with each other so as to form a channel and interconnected by a pintle extending through the channel. At least some of the plurality of spiral coils have a coil width of approximately 12 mm or larger. The ratio of coil thickness to coil width may be approximately 0.5 or less.

Abstract: The present invention provides graft biocidal N-halamine polymers. The biocidal polymers are prepared by contacting precursor graft polymers with a halogen source. The precursor graft polymers are prepared by grafting a polymer, such as a polyolefin, with a vinyl monomer under suitable conditions, for example, a reactive extrusion condition. In one embodiment, the graft polymerization is carried out in the presence of a vinyl monomer and a radical initiator. The biocidal polymers have potent antimicrobial activities against a broad spectrum of microorganisms and virus, such as E. coli and flu viruses.

Abstract: In accordance with the present invention, there are provided a triphenylmethane derivative represented by the following general formula (1), an organic gelling agent containing the triphenylmethane derivative, an organic gel and an organic fiber. The triphenylmethane derivatives of the present invention can exhibit a capability of gelling various organic solvents even when used in a small amount notwithstanding these derivatives are low-molecular compounds. The resultant organic gel is useful as materials usable under a high-temperature condition such as chemomechanical system materials, impact and vibration absorbing materials, drug base materials, controlled drug-release materials, and silicone oil gels for solidification of electrolytic solutions and for cosmetics. In addition, an organic nanofiber can be produced from the triphenylmethane derivative by a simple process.

Abstract: Methods for assembly of monolayers of nanoparticles using the Langmuir-Blodgett technique, as well as monolayers, assemblies, and devices are described. The surface properties of these monolayers are highly reproducible and well-defined as compared to other systems. These monolayers can readily be used for molecular detection in either an air-borne or a solution environment, and sensors using the monolayer could have significant implications in chemical and biological warfare detection, national and global security, as well as in medical detection applications.

Abstract: The present invention relates to shaped bodies containing a metal-organic framework material (MOF) as well as a process for the preparation thereof and their use especially as catalyst or storage medium.

Abstract: The invention relates to a method for producing metal oxide fibers with diameters on the micro- and nanometric scale by using electrospinning. At least one polymer is dissolved in a solvent, a metal salt is dissolved in this polymer solution, and this mixture is subsequently electrospun into fibers. Breaking down the polymer renders metal oxide fibers accessible that can be optionally reduced into the corresponding metal fibers.

Abstract: Nano-particle of MoO3. The nano-particle of the present invention has a surface area in the range of 33 to about 68 m2/g as determined by BET. The nano-particle may also have a rod-like non-hollow configuration.

Abstract: A polycarbonate copolymer which comprises 30 to 70 mol % of a structural unit comprising a bisphenyl fluorene structure and 70 to 30 mol % of a structural unit comprising tricyclo [5.2.1.02.6] decanedimethanol and causes little occurrence of a birefringence even when extrusion, injection molding or stretch processing is conducted and a process for producing the same.

Abstract: The present invention relates to compositions, methods, and uses for isolated biomolecule-containing fibers. The invention also relates to isolated, elongated biopolymers such as nucleic acids, polypeptides, lipids, and carbohydrates within fibers. The invention relates to methods of detecting and analyzing biomolecules in fibers using light, electrons, and neutrons. The invention further relates to methods of determining the sequence, structure, and properties of isolated, elongated biopolymers fixed within fibers.

Abstract: The present invention relates to a method for the production of tips, the order of magnitude of which lies in the micro- and/or nanometer range, comprising contacting a precursor material with a matrix and then energetically activating over a large area, wherein the precursor material contains an element other than carbon from the second to fifth main groups, the sixth main group with an atomic number Z?16 or a sub-group of the periodic table of the elements and organic groups which are chemically bonded to the respective element directly and/or via an element of the sixth main group.

Abstract: A hybrid nanocomposite architecture is presented. The architecture includes a first composite ply oriented at a first orientation. The architecture also includes a carbon nanotube (CNT) film layer including a plurality of CNT pellets disposed therein, each of the CNT bundles including a plurality of CNTs extending from the bottom surface of the CNT film layer to a top surface of the CNT film layer, the CNT film layer disposed in an abutting relationship with the first composite ply. The architecture further includes a second composite ply which may be oriented at a second orientation, the second composite ply disposed in an abutting relationship with the CNT film layer, and wherein the CNTs of the CNT film layer act as a penetrating bridge across an interface between the first composite ply and the second composite ply.

Abstract: Thermal insulation comprises sol-gel formed fibres comprising 10 to 99 mol % of a refractory base composition, and 1 to 90 mol % of a component selected from alkaline earth metal oxides, alkali metal oxides, and mixtures thereof.

Abstract: The present disclosure is directed generally to synthetic organic fiber pellets, methods for making such pellets, and methods of using such pellets for making fiber reinforced polypropylene composite resins. The synthetic organic fiber pellets include at least 80 wt % of a synthetic organic fiber chosen from polyalkylene terephthalates, polyalkylene naphthalates, polyamides, polyolefins, polyacrylonitrile, and combinations thereof, and from 2 to 20 wt % of one or more waxes. The synthetic organic fiber pellets are produced using a pelleting press process.

Abstract: An object of this invention is to provide a manufacturing method of metal nanowire in which a length and a diameter can be uniformly controlled, metal nanowire having excellent form uniformity, and a transparent electric conductor exhibiting excellent conductivity and transparency by employing metal nanowire having excellent conductivity and transparency.

Abstract: It is the object of the invention to provide a fiber excellent in cool contact feeling which is excellent in hand and skin touch and capable of preventing unpleasant feeling in the wet state and a woven fabric, clothing, and underwear excellent in cool contact feeling and obtainable by using the fiber excellent in cool contact feeling. The invention is a fiber excellent in cool contact feeling, which contains a thermoplastic elastomer and an inorganic filler.

Abstract: There is provided in the present invention a material for transfer of a substance in a liquid, which can trap/remove an objective substance contained in drainage water, waste water or a liquid at a limited area, and also can readily retrieve the polymer after trapping the objective substance from the liquid. The present invention relates to the material for transfer of a substance in a liquid containing a polymer blend comprising an amine-based polymer and a hydrophilic polymer.

Abstract: Elongate phosphorus nanostructures, and methods of making them comprising the steps of forcing a phosphorus vapour and contacting said vapour with a metal catalyst under an inert atmosphere or under vacuum, at a suitable temperature are disclosed.

Abstract: Multi-filament polyamide yarns characterized by high tenacity and low shrinkage are disclosed. Such yarns or fabrics made therefrom can be used in industrial applications in which such a combination of properties is desirable. Such yarns are particularly useful in the manufacture of automobile airbag fabrics. Also disclosed is a process for making such yarns. The yarn manufacturing process involves spin-drawing molten nylon, relaxing and controlling the yarn tension, and then winding the yarn. Yarns made according to this process exhibit linear density in the range of 110-940 decitex, tenacity equal to or greater than 80 cN/tex, and shrinkage, measured at 177° C., of less than 5%.

Abstract: A filament or fiber (2) comprising a volume modulation coloration producing substance (6); containment means (8) for containing the substance in the form of an elongated core which containment means is at least partially light transmitting; and stimulation means (4) for stimulating the substance to produce a change in the volume of the substance, thereby changing the color of the filament or fiber.

Abstract: A filament type nano-sized long fiber and a method of producing the same. In the method, a spinning solution or a spinning melt is electro-spun in drops using a spinneret to which a critical voltage is applied, and the spun drops are continuously collected on a multi-collector. The spinning solution is produced by dissolving a blend or copolymer consisting of two or more kinds of polymers in a solvent. The spinning melt is produced by melting the polymers. The multi-collector is selected from the group consisting of a plate type collector, a roll type collector, and a combination thereof. The filament type nano-sized long fiber is processed into a yarn through one step during the electrospinning process, and thus, mechanical properties are better than those of a conventional nanofiber non-woven fabric. Consequently, the filament type nano-sized long fiber can be utilized for the extended application.