Abstract: A polytrimethylene terephthalate preoriented package, formed of wound layers and weighing 2 kilograms or more, of a poly (trimethylene terephthalate), in which the yarn package satisfies the following conditions (1), (2) and (3):

Abstract: Soft-magnetic hexagonal ferrite composite particles composed of 100 parts by weight of soft-magnetic hexagonal ferrite particles containing a Z-type ferrite, Y-type ferrite or W-type ferrite as a main phase, 0.3 to 10 parts by weight of barium carbonate particles, strontium carbonate particles or their mixture and 0.1 to 5 parts by weight of silicon dioxide particles.

Abstract: Disclosed is a method of copolymerizing polyethylene glycol (PEG) and branching agent into polyethylene terephthalate (PET) to achieve a polyethylene glycol-modified polyester composition that can be spun into filaments. Fabrics made from fibers formed from the copolyester composition possess wicking, dyeability, and tactility properties that are superior to those of fabrics formed from conventional polyethylene terephthalate fibers of the same yarn and fabric construction. Also disclosed are polyethylene glycol modified copolyester compositions, fibers, yarns, and fabrics.

Abstract: A two-layer coating for the outer surface of the display screen of a color cathode ray tube (CRT) includes an inner carbon black-based layer and an outer silica-based layer. The inner layer is antistatic, while the outer layer is antireflective. To compensate for the increased absorption of blue light by the carbon black particles, which results in a color video image having a yellowish tint, a blue additive, such as a pigment or dye, is added to the coating to adjust its light absorbance characteristics and provide uniform light absorbance over the entire visible spectrum of 400-700 nm for improved color video image presentation.

Abstract: A thick and thin polyester multifilament yarn having an excellent natural fiber yarn-like hand, a dry touch and spun yarn-like appearance includes a plurality of individual thick and thin polyester multifilaments varying in thickness along the longitudinal direction thereof and exhibits a spectrum having a first peak (Pmax1) of a coefficient of variation in yarn thickness of 4 to 10 cm, a second peak (Pmax2) of the yarn thickness variation coefficient of 50 to 150 cm and a ratio (Pmax1/Pmax2) of 1.5 to 4.0, measured by the normal mode test method using the Uster evenness tester.

Abstract: A thermally conductive and electrically insulative polymer composition and a method for creating the same is provided. Thermally conductive filler material is coated with a thermally conductive and electrically insulative coating material and mixed with a base polymer matrix. The mixture is molded into the desired shape. The electrically insulative coating material prevents the transfer of electricity through the filler material thus resulting in an electrically insulative composition.

Abstract: A nonwoven web and method of preparing a novel nonwoven web of synthetic fiber are disclosed. An aqueous solution amide crosslinked synthetic precursor polymer is extruded under defined conditions through a plurality of die orifices to form a plurality of threadlines. The threadlines are attenuated with a defined primary gaseous source to form fiber under conditions of controlled macro scale turbulence and under conditions sufficient to permit the viscosity of each threadline, as it leaves a die orifice and for a distance of no more than about 8 cm, to increase incrementally with increasing distance from the die, while substantially maintaining uniformity of viscosity in the radial direction, at a rate sufficient to provide fiber having the desired attenuation and mean fiber diameter without significant fiber breakage. The attenuated threadlines are dried with a defined secondary gaseous source. The resulting fibers are deposited randomly on a moving foraminous surface to form a substantially uniform web.

Abstract: A polytrimethylene terephthalate fiber, a method for producing the same, a cheese-shaped package formed thereof, a false-twist textured yarn using the fiber and a fabric using the false-twist textured yarn are provided. The fiber is composed of 90 mol % or more of trimethylene terephthalate repeating units having a density in a range from 1.320 to 1.340 g/cm3, a birefringence in a range from 0.030 to 0.070, a peak value of thermal stress in a range from 0.01 to 0.12 cN/dtex, a boiling water shrinkage in a range from 3 to 40%, and an elongation at break in a range from 40 to 140%. The inventive polytrimethylene terephthalate fiber has both of proper crystallinity and orientation and is free from the package tightness due to yarn shrinkage and the bulge. The inventive fiber can be produced on an industrial scale.

Abstract: A functional film of the invention includes a microparticulate-containing layer containing functional microparticulates. The microparticulate-containing layer inhibits the occurrence of cracks even when drawn 10%. When the functional film includes a microparticulate-containing layer containing conductive microparticulates, the microparticulate-containing layer exhibits a surface resistivity after drawn 10% which is at most 10 times greater than the surface resistivity prior to drawing. The invention thus implements a functional film which is unsusceptible to reduction or loss of its function due to deformation.

Abstract: The ability to transport body liquids in consumer products such as diapers, incontinents and feminine napkins is a key factor in their performance. This invention is designed to provide specific high fluxes (volume of liquid/(time*mass of polymer) of aqueous liquids in designated directions using bundles of new specially designed fibers. The key factors for the bundles are a high specific adhesion for the liquid of interest, a high specific volume of the bundle itself, and alignment of the fibers within the bundle. The invention includes novel liquid acquisition/distribution systems and absorbent products that include a liquid acquisition/distribution system which may incorporate the novel bundles of fibers.

Abstract: An insulation or filling material composed of fiber balls which are made up of a random entanglement of micro denier polyester fibers.

Abstract: The ability to transport body liquids in consumer products such as diapers, incontinents and feminine napkins is a key factor in their performance. This invention is designed to provide specific high fluxes (volume of liquid/(time*mass of polymer) of aqueous liquids in designated directions using bundles of new specially designed fibers. The key factors for the bundles are a high specific adhesion for the liquid of interest, a high specific volume of the bundle itself, and alignment of the fibers within the bundle. The invention includes novel liquid acquisition/distribution systems and absorbent products that include a liquid acquisition/distribution system which may incorporate the novel bundles of fibers.

Abstract: A composite separator plate for a fuel cell having a low-carbon loading and a high-polymer loading is disclosed. The separator plate composition includes a percentage of conductive fibrous filler having a relatively high aspect-ratio oriented through the thickness of the plate to achieve desired electrical and thermal conductivity requirements. A method of manufacturing the fuel separator plate having such fibers disposed in a through-plane orientation is also disclosed. The method includes forming a separator plate having a land height for orienting the fibers in a desired through-plane direction, then removing a portion of the land height to obtained the desired geometric configuration for the separator plate.

Abstract: The present invention provides compositions, useful for making lyocell fibers, having a high hemicellulose content, a low copper number and including cellulose that has a low average degree of polymerization (D.P.), wherein greater than 4% of pulp fibers have a length-weighted fiber length of less than 2.0 mm. Further, the present invention provides processes for making compositions, useful for making lyocell fibers, having a high hemicellulose content, a low copper number and including cellulose that has a low average degree of polymerization and short fibers. The present invention also provides lyocell fibers and molded bodies made from the compositions. An advantage of the compositions are their quick dissolving nature.

Abstract: Hydrogels of polymerized and crosslinked macromers comprising hydrophilic oligomers having biodegradable monomeric or oligomeric extensions, which biodegradable extensions are terminated on free ends with end cap monomers or oligomers capable of polymerization and cross linking are described. The hydrophilic core itself may be degradable, thus combining the core and extension functions. Macromers are polymerized using free radical initiators under the influence of long wavelength ultraviolet light, visible light excitation or thermal energy. Biodegradation occurs at the linkages within the extension oligomers and results in fragments which are non-toxic and easily removed from the body. Preferred applications for the hydrogels include prevention of adhesion formation after surgical procedures, controlled release of drugs and other bioactive species, temporary protection or separation of tissue surfaces, adhering of sealing tissues together, and preventing the attachment of cells to tissue surfaces.

Abstract: A convertible roofing material which includes an outer fabric layer formed at least partially of polymeric coated, core yarns such as a polyester core coated with polyvinyl chloride.

Abstract: This application relates to a fibre structure which has, on the fibre surface, a complex oxide comprising titanium and silicon, plus a binder. In particular, it relates to a fibre structure which preferably has, on the fibre structure, a complex oxide comprising titanium and silicon, and at least one type of binder selected from alkyl silicate resins, other silicone resins and fluororesins, and it provides a fibre structure having durable deodorant properties, antibacterial properties, antifungal properties or antisoiling properties.

Abstract: A ferromagnetic metal powder having an average long axis length of from 30 to 65 nm, a crystallite size of from 80 to 130 angstroms, a saturation magnetization (&sgr;s) of from 75 to 130 A·m2/kg, and an average oxide layer thickness of from 1.5 to 2.5 nm; a method of producing a ferromagnetic metal powder comprising: reducing the oxide of a ferromagnetic metal element to obtain the ferromagnetic metal powder, subjecting the ferromagnetic metal powder to gradual oxidation treatment to make as 120 to 150 A·m2/kg, adhering at least one element selected from Al, Y, lanthanoid, Zr and W to the ferromagnetic metal powder in water, performing heat treatment, and again performing gradual oxidation treatment; and a magnetic recording medium comprising a support having provided thereon a magnetic layer mainly comprising a ferromagnetic metal powder and a binder, wherein the magnetic layer containing the ferromagnetic metal powder has a thickness of from 0.04 to 0.

Abstract: Polytrimethylene ether ester amide and use thereof.

Abstract: Copolyamides, consisting of polycondensation products of the following components: caprolactam 10 to 45 mol-%, laurolactam 30 to 55 mol-%, at least 2 dicarboxylic acids 20 to 50 mol-% of the following compounds, aliphatic &agr;,&ohgr;-dicarboxylic acids with 6 up to 14 C atoms inclusively, terephthalic acid, isophthalic acid and 2,6-naphthalene dicarboxylic acid, wherein the content of aromatic dicarboxylic acids is lower than 10 mol-%, with reference to the allover amount of the above-mentioned components, which add up to 100 mol-%, a diamine mixture in an amount that is equimolar to that of the dicarboxylic acids, chosen from the group of the following substances, hexamethylene diamine, piperazine and/or 2-methyl-1,5-diaminopentane, wherein the molar content of hexa-methylene diamine is between 75 and 95 mol-% with reference to the diamine mixture. The copolyamides according to the invention are used for the production of mono- and multifilaments, fibers, films and nets.

Abstract: The invention is directed to an aggregate floor coating and method/system for applying the same. In one embodiment, a base layer of epoxy or equivalent material may be applied to a prepared floor surface. Prior to curing of the base layer, a quantity of aggregate flooring material, e.g., quartz particles, may be broadcast over the exposed surface of the base layer. Upon curing of the base layer, an ultraviolet (UV)-curable topcoat layer may be applied. Exposure of the UV-curable topcoat layer to one or more specific wavelengths of UV energy results in fast curing of the topcoat layer, permitting quick resumption of floor traffic. Coatings of the present invention provide numerous advantages, such as allowing application of aggregate floor coatings in well-lit, e.g., sun-exposed areas.

Abstract: The present invention relates to a roofing underlayment system comprising two layers of a coated structural article which comprises a substrate having an ionic charge coated with a coating having essentially the same ionic charge or one layer of such coated structural article in combination with one layer of felt material. The coating of the coated structural article consists essentially of a filler material and a binder material wherein the binder material bonds the filler material together and to the substrate and wherein the coating does not bleed through the substrate. The roofing underlayment system of the present invention can impart a Class B or better (Class A) fire rating to a roof assembly.

Abstract: Product attrition by dusting of granular and shaped activated carbons is disclosed to be reduced significantly, or essentially eliminated, by the application of a thin, continuous polymer coating on the granular or shaped activated carbon, without a reduction in adsorption velocity or capacity of the activated carbon when used in fluid stream filters for removing contaminants. The avoidance of carbon dust leads to improved fluid stream filter performance in contaminant removal.

Abstract: A process for combining dyed or melt pigmented textile denier accent yarns in small yarn sizes, into a small building block carpet denier bundle to achieve a face yarn bundle having a wide range of special color effects and appearance, not attainable by manufacture of multi-colored carpets from carpet denier fibers alone. The carpet denier singles yarns are drawn, textured and air-jet entangled. At least one textile denier singles yarns, which is preferably a yarn having some degree of orientation, is then entangled with the carpet denier singles yarn, and the bundle is then wound up. The final yarn bundle may contain one or more fiber types, as well as at least one anti-static filament. The two types of singles yarn, i.e., the carpet denier and textile denier types, optionally have the same or different fiber cross-sections.

Abstract: Pigment flakes having cores preferably composed of resins, polymers, thermoplastics, and/or thermosets with colorant (pigment and/or dyes) deposited thereon, coating applications thereof, and a method for making pigment flakes which includes providing a core material, compounding the core material, processing the core material into uniform forms such as films, wires, thread with rectangular cross sections and bead strings, providing colorant material, vaporizing the colorant material, exposing a surface of core material to the vaporized colorant material to form a layer of colorant on thereon, and fracturing the resultant colorant layered core material into flakes.

Abstract: A calcium salt protective coating formed in situ by combining fatty acids with lime, also the associated method of forming the protective coating in situ. The fatty acids are preferably vegetable fatty acids such as from soapstock byproduct skimmings produced during the manufacture of vegetable oil. Experimental testing has shown that the protective coating is substantially impervious to moisture. The protective coating is a suitable covering for hay bales, silage, coal piles, and road salt piles. Further experimental testing has shown that the present invention is also suited to environmental soil bioremediation (“landfarming”) using microbes, in which the fatty acid ingredient, in addition to being used in formation of a protective coating that inhibits introduction of oxygen into the soil being treated, is also used as a carbon source for the microbial activity.

Abstract: A method for manufacturing a yarn containing superabsorbent fibers of polyacrylate, wherein said superabsorbent fibers are blended with supporting fibers of a material stronger than that of the superabsorbent fibers so as to form a sliver from a blend of said fibers. The sliver is spun into a yarn by using an open end spinning method, wherein the fibers of the sliver are individualized. Subsequently the fibers are fed in an air flow to a rotating spinning space, from where the yarn is spun.

Abstract: A long-fiber-reinforced thermoplastic resin sheet comprises short strands, each of which has a width of from 0.2 to 5 mm and a length of from 10 to 150 mm and is made of a unidirectionally long-fiber-reinforced thermoplastic resin. The short strands are oriented at random and are fixed together at intersections thereof. The long-fiber-reinforced thermoplastic resin sheet has a basis weight of from 30 to 500 g/m2 and is provided with openings therein. The long-fiber-reinforced thermoplastic resin sheet can be produced by evenly spreading and piling up short strands of substantially circular or elliptical sections, and subjecting the short strands to pressureless hot-melt adhesion or to hot-melt compression bonding under pressure such that the sheet has a basis weight of from 30 to 500 g/m2 and is provided with openings therein. The short strands of the substantially circular or elliptical sections have an average diameter of from 0.1 to 1.

Abstract: A method is disclosed for producing polyester fibers having uniform primary and secondary crimps. The method includes the steps of advancing fibers into a stuffer box having an upper doctor blade and a lower doctor blade, positioning the upper doctor blade and the lower doctor blade such that the doctor blade gap is broad enough to permit the formation of secondary crimps and yet is narrow enough to maintain primary and secondary crimp uniformity, and then applying a longitudinal force against the advancing fibers to impart uniform primary and secondary crimps. The polyester fibers crimped according to the disclosed method have substantially uniform primary and secondary crimps, and are further characterized by tensile factor that is about the same as the tensile factor possessed by an otherwise identical uncrimped polyester fiber.

Abstract: The carbon fiber precursor fiber bundle of the present invention is an acrylonitrile-based fiber bundle wherein the ratio of the length and width of the fiber cross section of a monofilament (length/width) is 1.05 to 1.6, and the amount of Si measured by ICP (Inductively Coupled Plasma) atomic emission spectrometry is in the range of 500 to 4,000 ppm. This type of carbon fiber precursor fiber bundle has a high compactness, and the carbonizing processing ability is good. Furthermore, for the carbon fiber bundle which is to obtained hereafter, the resin impregnating ability and tow spreading ability are good, the strength increases, and it has bulkiness. Furthermore, the carbon fiber precursor fiber bundle of the present invention is an acrylonitrile-based fiber bundle wherein the liquid content ratio HW is 40 wt. % or more and less than 60 wt. %.

Abstract: The invention provides for inexpensive, versatile methods for rendering packaging materials anti-microbial, by printing packaging materials with a substantially inert polymeric dispersion containing zeolites which release anti-microbial metal ions, such as silver ions, on exposure to moisture.

Abstract: An elastane multifilament yarn havig two to six individual filaments which, when being unwound from a bobbin, is splittable into individual filaments, is produced by a process wherein multihole spinning jets are deployed in the spinning head of a conventional dry spinning apparatus, laminarizing the spinning gas flow to prevent entanglement of the individual filaments and passing the resulting yarn through a thread guide with one opening per individual filament.

Abstract: A fabric composite product is disclosed. The fabric composite is formed from at least two (2) layers that are connected by loop pile stitches. For instance, in one embodiment, the fabric composite includes a fill layer positioned in between two (2) outer fabric layers. The fill layer contains high loft fibers. For example, in one embodiment, the fill layer is made from siliconzied fibers. The loop pile stitches connect the layers together without substantially compressing the fill layer. In this manner, the fabric composite has good cushioning properties and has a gel-like feel.

Abstract: A firefighter garment including melamine high-heat and flame resistant fibers that have been stock dyed to obtain a desired shade or color. The stock dyed fiber is preferably blended with another fiber and the blend spun, by ring or core spinning, into a yarn for use in a protective fabric. Fabric produced by employing a blend of stock dyed melamine fibers and other high temperature fibers offers numerous cost and performance advantages. The elimination of the damage associated with the piece dyeing process allows the fabric to increase its strength and tear characteristics without affecting its thermal performance.

Abstract: A method for avoidance of attrited carbon dust is disclosed to lead to improved canister performance in emission control. Product attrition by dusting of granular and shaped activated carbons is disclosed to be reduced significantly, or essentially eliminated, by the application of a thin, continuous polymer coating on the granular or shaped activated carbon, without a reduction in adsorption velocity or capacity of the activated carbon when used in automotive emission control canisters.

Abstract: The present invention relates to a soil substitute useful in supporting plant growth. More particularly, the present invention relates to biodegradable and non-biodegradable polymer fibers for use in plant cultivation.

Abstract: A process is disclosed for a continuous, high temperature polymerization process for preparing a gel free polymeric product. The process comprises continuously charging into a reactor at least one monomer such that the reactor is filled to 100 percent of its usable volume. The reactor is maintained at an effective temperature for an effective period of time to cause polymerization of the monomers into a polymeric product, such that the polymeric product is formed substantially free of gel particles.

Abstract: A flat low friction cord and a method of production of a cord comprising a flexible and substantially flat core enshrouded by a knitted cover, the cover being knitted around the core from yarns, wherein the knitted yarns at the cord surface define a low friction and abrasion resistant sliding surface. The yarns may be oriented substantially along the cord. The yarns may be twisted in one direction. The knitted cover may sufficiently cover the flat core such that the core cannot be seen through the cover. The denier of the yarns is preferably 1500 denier and the yarn fibers are preferably a polyester, nylon, polypropylene or the like, with polyester and nylon the preferable yarn fibers. The core may be a foamed PVC, polyester, polyethylene, polypropylene or the like but is preferably extruded foamed PVC. The core may be heat set to firmly enshroud the cover around the core.

Abstract: A continuous fiber granulate material includes granulate particles having reinforcing staple fibers helically arranged in a thermoplastic matrix. The reinforcing staple fibers are located in a sheathed zone of the granulate particles along with a melted matrix material, with the granulate further including a core zone having unmelted thermoplastic staple fibers. The continuous fiber granulates have good free-flowing properties and a uniform distribution of reinforcing fibers.

Abstract: The invention provides a poly(imide-benzoxazole) (PIBO) copolymer prepared from a trimellitic anhydride halide monomer and a bis(o-diaminophenol) monomer. The PIBO copolymer is characterized by the following recurring unit: wherein X is —O—, —S—, —C(CF3)2—, —C(CH3)2—, —CO—, —CH2—, —SO2—, —SO—, or deleted; and n is an integer. The PIBO copolymers of this invention are particularly useful as dielectric layers in semiconductor devices because they possess hydroxyl groups which create better adhesion to semiconductor substrates.

Abstract: An aromatic polyimide film of polyimide composed of a 3,3′,4,4′-biphenyltetracarboxylic acid component and a p-phenylenediamine component, which has a thickness of 35 to 55 &mgr;m and is employed for manufacturing a polyimide film/metal film laminate, preferably has a linear thermal expansion coefficient of 17×10−6 to 24×10−6 cm/cm/° C. (TD) in the temperature range of 50-200° C., and a modulus of tensile elasticity of 700 kgf/mm2 or more (TD), and has a surface having been subjected to discharge treatment.

Abstract: Composite wire comprising polycrystalline &agr;-Al2O3 fibers within a matrix of aluminum, or an alloy of aluminum and up to about 2% copper. The resulting materials are characterized by their high strength and low weight are particularly well suited for applications in various industries including high voltage power transmission.

Abstract: A method for forming a planarized dielectric layer upon a semiconductor wafer is disclosed. In an exemplary embodiment of the invention, the method includes applying an adhesion promoter to the wafer, thereby forming an adhesion promoter layer. A dielectric material is applied in a spin-on fashion upon the adhesion promoter layer at a relative humidity of less than 40% and for a thickness setting duration of less than 30 seconds. Then, the dielectric material is dried by baking without additional spinning of the semiconductor wafer.

Abstract: Graphitized carbon powder are produced by carbonizing and expanding a pitch by heating to form carbonaceous foam and by graphitizing before pulverizing or graphitizing after pulverizing the carbonaceous foam. The resultant graphitized carbon powders have an interplanar spacing (d002) of graphite planes of less than 0.3370 nm. The powders preferably have an average particle size of from 2 to 200 &mgr;m. A thermally conductive composition includes the graphitized carbon powders in a matrix. The content of the powders is preferably 1 to 800 parts by weight relative to 100 parts by weight of the matrix. Thus, the graphitized carbon powders that have excellent thermal conductivity and a thermally conductive composition including such powders are provided.

Abstract: Disclosed is a poly(trimethylene terephthalate) BCF carpet modified cross-section yarn having an modification ratio and a arm angle within a specific range and a Y-shaped cross-section, and a method for preparing it. The BCF modified cross-section yarn has excellent bulk property and spinning efficiency, and a carpet made from the BCF modified cross-section yarn has good appearance, sense of touch, and tufting efficiency.

Abstract: A method for producing a magnetic particle forming a magnetic material for absorbing electromagnetic waves comprises the steps of mixing an organometallic complex or a metal salt with a chain polymer and dissolving the mixture in a solvent (step S1); raising the temperature of the mixture to reaction temperature (step S2), carrying out a reaction at the reaction temperature (step S3); and forming the magnetic particle having a structure that the periphery of each fine particle formed from the organometallic complex or the metal salt is surrounded by the chain polymer and recovering the formed magnetic particle after the reaction (step S4). The magnetic particle has a nanogranular structure to become a magnetic material for absorbing ectromagnetic waves. Such a magnetic particle is produced by a wet reaction. Thus, a larger amount of magnetic particle can be produced by one reaction.

Abstract: A process for treating particles comprising the steps of: (i) contacting the particles with a compound of Formula (I) wherein at least one of R1, R2 and R3 is hydroxyl or a hydrolysable group; and (ii) contacting the particles with a compound of Formula (II) wherein X is an anion and R4 is either: a divalent group —(CyH2y)—, branched jor unbranched, wherein y is a whole number from 1 to 40, or a C6-C40 aromatic group, and t is either 0 or 1.

Abstract: The present invention provides lyocell fibers made from pulp, in particular a pulp having a high hemicellulose content of at least 5%, includes cellulose that has a low average degree of polymerization of from about 200 to about 1100, a kappa number of less than 2.0, and wherein greater than 4% of pulp fibers have a length-weighted fiber length of less than 2.0 mm.

Abstract: The present invention provides molded bodies made from a treated kraft pulp, the pulp having a high hemicellulose content or at least 7% a low copper number of less than 2, and including cellulose that has a low average degree of polymerization (D.P.) that has a range of 200 to 1100.

Abstract: Disclosed is a polyethylene glycol modified copolyester fiber that has exceptional moisture management characteristics and that can be formed into exceptionally comfortable fabrics. The copolyester fiber includes polyethylene terephthalate in an amount sufficient for the copolyester fiber to possess dimensional stability properties substantially similar to those of conventional, unmodified polyethylene terephthalate fibers, polyethylene glycol in an amount sufficient for the copolyester fiber to possess wicking properties that are superior to those of conventional, unmodified polyethylene terephthalate fibers, and chain branching agent in an amount less than about 0.0014 mole-equivalent branches per mole of standardized polymer.