Abstract: The present invention relates to pigment granules and to a process for the preparation thereof and their use.

Abstract: Disclosed herein is a nanostructured material comprising carbon nanotubes fused together to form a three-dimensional structure. Methods of making the nanostructured material are also disclosed. Such methods include a batch type process, as well as multi-step recycling methods or continuous single-step methods. A wide range of articles made from the nanostructured material, including fabrics, ballistic mitigation materials, structural supports, mechanical actuators, heat sink, thermal conductor, and membranes for fluid purification is also disclosed.

Abstract: The invention relates to filled polyamide moulding compounds which, in addition to a selected polymer mixture comprising two different polyamides, contain long glass fibres with a non-circular cross-sectional area. Furthermore, the invention relates to the use of such moulding compounds for the production of moulded articles and the moulded articles themselves.

Abstract: The present invention provides processes for producing porous silk fibroin scaffold material. The porous silk fibroin scaffold can be used for tissue engineering. The porosity of the silk fibroin scaffolds described herein can be adjusted as to mimic the gradient of densities found in natural tissue. Accordingly, methods for engineering of 3-dimensional tissue, e.g. bone and cartilage, using the silk fibroin scaffold material are also provided.

Abstract: The invention relates to a method of coating a fiber-cement or concrete molding with a polymeric film, which comprises a) placing and securing the molding in a capsule, the polymeric film being mounted between capsule wall and molding, b) evacuating the air in the chamber between polymeric film and molding, c) heating the polymeric film, d) letting down a second chamber between polymeric film and capsule wall to atmospheric pressure with external air, and e) thereby pressing the polymeric film onto the molding, and maintaining a vacuum during this pressing operation; and also to fiber-cement and concrete moldings coated using this method.

Abstract: A planar magnetic device 1 including a first magnetic layer 3, a second magnetic layer 5, and a planar coil 4 disposed between the first magnetic layer 3 and the second magnetic layer 5, wherein magnetic particles 7 having a shape ratio S/L of 0.7 to 1 when a length of a long axis is L and a length of a short axis orthogonal to the long axis is L are filled in a gap W between coil wirings of the planar coil 4. According to the planar magnetic device 1, it is possible to realize a planar magnetic device such as an inductor reduced in height by using fine particles that enable to effectively obtain a large inductance value.

Abstract: Composite fibrous constructs are made of combinations of inorganic-organic hybrid monofilament or multifilament yarns containing at least 6 weight percent of inorganic micro-/nanoparticles and organic monofilament or multifilament yarn with typical examples of the hybrid yarn matrix made of absorbable or non-absorbable thermoplastic polymers and final constructs being in the form of knitted or woven meshes and braided ligatures intended to perform under specific mechanically, biologically, and/or radiologically related functions.

Abstract: A refined oxidised cellulose (OC) material in various salt states having therapeutic treatments for skin. The micronized OC has a uniform particle size of the order of microns (0.001 to 0.050 mm). The OC is treated by further steps of oxidation, hydrolysis and refinement. The final product is chemically known as polyanhydroglucuronic acid, (PAGA). The salt versions of the OC are generally metal salts, such as sodium, calcium, zinc, copper, and silver.

Abstract: The invention pertains to a method for obtaining para-type wholly aromatic polyamide particles, comprising the steps: a) introducing an aramid polymer solution into a water-based coagulating liquid to obtain a hydrous shaped product; and b) subjecting the never-dried or partly-dried shaped product having a water content of 10 to 99% by weight to freeze-grinding. These aramid polymer particles can be used as a filler material.

Abstract: An insulated conductive particle for an anisotropic conductive film is disclosed. One embodiment of the particle includes a conductive particle and insulating fixative particles discontinuously fixed on the surface of the conductive particle. The insulating particles provides insulation with other adjacent insulated conductive particles, while the insulated conductive particle is electrically connected between electrodes with the insulating fixative particles being deviated from its position. The instant disclosure also provides a method for manufacturing the insulated conductive particle, an anisotropic conductive adhesive film containing the insulated conductive particles, and an electrically connected structure using the film.

Abstract: A conductor composition being able to easily secure the conductivity at the same level as an Ag bulk at low temperature process, a mounting substrate utilizing the conductor composition and a mounting structure utilizing the conductor composition are provided. In a mounting structure, wherein one or more electrodes (11) of a mounting substrate (10) and one or more surface mounting components (20) are connected through a conductor composition (30), and one or more surface wirings (14) of the mounting substrate (10), one or more inner-layer wirings (13) and one or more via conductors (12) are formed with the conductor composition, the conductor composition contains conductive particles with electrical conductivity, and the conductive particles are composed of low crystallized Ag fillers with the crystal size of 10 ?m or less.

Abstract: The invention provides a process for preparing a moulded product on which or in which a layer of a metal or alloy thereof is applied, in which process use is made of a mould, which process comprises a moulding step and a metallising step, wherein the moulding and metallising step are both carried out in the mould, wherein said metallising step comprises can electroless process. The invention further relates to a device comprising the moulded product obtained by said process.

Abstract: A filament type nano-sized lone fiber and a method of producing the same are disclosed. 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 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 conventional nanofiber non-woven fabric. Consequently, the filament type nano-sized long fiber can be utilized for the extended application.

Abstract: A resin composition includes an aliphatic polyester resin. The resin has carboxyl groups at the end termini of the molecular chain and at least one compound represented by the general formula (I), the compound being added to the resin to cap a part or all of the carboxyl groups at the end termini of the molecular chain of the resin. A process for producing a fiber includes mixing a pellet comprising an aliphatic polyester resin having carboxyl groups at the end termini of the molecular chain with a compound represented by the general formula (I) so that the content of the compound becomes 0.1 to 8% by weight and then melt-spinning the resulting mixture under the conditions of a spinning temperature of 200 to 250 C.°, a melt residence time of 180 to 1800 sec and a spinning rate of 500 to 10000 m/min.

Abstract: Described herein are fabricated microstructures to adhere in shear to a contact surface. A fabricated microstructure comprises a substrate and a plurality of nano-fibers attached to the substrate. The nano-fibers have an elasticity modulus E, an interfacial energy per unit length of contact w, a length L, a radius R, and are oriented at an angle ?o relative to the substrate. The length L of the nano-fibers is greater than 0.627?oR2(E/w)1/2 with ?o in radians. Also described herein is a method of forming a fabricated microstructure to adhere in shear to a contact surface and a method of adhering in shear a fabricated microstructure to a contact surface.

Abstract: Disclosed are a pigment comprising a flake-form substrate, where natural and synthetic clay minerals are excluded as substrate, and an anion-binding layer, in particular comprising a layered double hydroxide, where the anion-binding layer comprises anion-forming organic, inorganic and/or organometallic colorants; and a process for the preparation of said pigment and to the use thereof in cosmetics, paints, coatings, plastics, films, in security printing, in security features in documents and identity cards, for coloring seed, for coloring foods or in medicament coatings, and for the preparation of pigment compositions and dry preparations.

Abstract: The present invention relates to novel methods and compositions for detection and isolation of cancer cells with metastatic potential. The invention further relates to assays for measuring the metastatic potential of such cancer cells and drug screening assays for the identification of agents having anti-metastatic potential. The present invention further provides methods and compositions for inhibiting the metastatic potential of cancer cells by modulating the activity of serine integral membrane proteases [(SIMP) consisting of seprase and dipedidyl peptidase IV (DPPIV)] expressed on the surface of metastasizing cancer cells.

Abstract: A steel cord, formed of a plurality of steel filaments, has a construction of N×(7×2) wherein N=1 to 7 and within the circumference of the cross-sectional area, not more than 60% of the cord area is comprised of the steel filaments. The steel cord has an elongation at break of at least 3%.

Abstract: A highly crosslinked polysiloxane dye comprising at least 10 Si atoms, including at least one moiety of the formula (I) whose open Si-bonds each are linked to an oxygen atom and open O-bond is linked to a silicon atom in the rest of the polysiloxane, and wherein T is a direct bond or an organic spacer group such as C1-C18alkylene, C2-C12alkenylene, C5-C10cycloalkylene, C5-C10arylene, —C5-C10arylene-(C1-C10alkylene)- each of which may be end-capped towards the linkage to Dye by CO, COO, NR1, CONR1, NR1CONR1, CS, CSS, CSNR1, NR1CSNR1, O, S, SO, SO2, C5-C10cycloalkylene, C5-C10arylene; or T is C3-C18alkylene interrupted, and optionally end-capped towards the linkage to Dye, by CO, COO, NR1, CONR1, NR1CONR1, CS, CSS, CSNR1, NR1CSNR1, O, S, SO, —SO2—, C5-C10cycloalkylene, C5-C10arylene; or is CO; (CH2CH2—O)1-5; COO; N(R1); CON(R1); O; S; SO; SO2; R1 is hydrogen; unsubstituted or substituted, straight-chain or branched, monocyclic or polycyclic, interrupted or uninterrupted C1-C14alkyl; C2-C14alkenyl; C6-C10aryl; C

Abstract: A method of making an electret article, from a polymeric article that has a zeta potential of greater than or less than ?7.5 millivolts. The article is charged by contacting it with an aqueous liquid that has a pH and conductivity as follows: (i) if the article has a zeta potential of ?7.5 mV or less, then the contacting liquid has pH greater than 7 and a conductivity of 5 to 9,000 microSiemens per centimeter; and (ii) if the article has a zeta potential of greater than ?7.5 mV, then the contacting liquid has a pH of 7 or less and a conductivity of 5 to 5,500 microSiemens per centimeter. An electret article made in this manner can provide improved electret performance, particularly in electret filtration articles.

Abstract: A high strength, high modulus structural fabric product and the method of manufacturing the product are disclosed. The incorporation of a specific fiber/fabric treatment coupled with a resin impregnation and coating process produces a composite material. This composite material comprises high strength and modulus fibers embedded in and linked to a matrix. The resulting fabric product is useable in the formation of seamed structures, which carry and distribute high-level loads under extreme environmental conditions.

Abstract: The invention provides a strain gauge which includes a fabric base and at least one conductive yarn. In addition, the fabric base is weaved with a plurality of non-conductive yarns, and the fabric base thereon defines a sensing direction. Moreover, each of the conductive yarn is gimped by a textile process with one of the non-conductive yarns and is woven through the fabric base along the sensing direction. Furthermore, the at least one conductive yarn is capable of being applied by an electric power; when an external force acts on the fabric base, the geometrical property of the at least one conductive yarn alters so that a change of an electric property associated with the applied electric power is sensed to indicate an elongation of said strain gauge applied by the external force along the sensing direction.

Abstract: A mop yarn formed with a core of microdenier synthetic filament fibers wrapped with a sheath. The sheath generally includes carded staple fibers spun around the core.

Abstract: Unique PTFE structures comprising islands of PTFE attached to an underlying expanded polytetrafluoroethylene (ePTFE) structure and to methods of making such structures is disclosed. The ePTFE material may or may not have been exposed to amorphous locking temperatures. These unique structures exhibit islands of PTFE attached to and raised above the expanded PTFE structures.

Abstract: Fibers having improved resistance to moisture at elevated temperatures comprise at least two elastic polymers, one polymer heat-settable and the other polymer heat-resistant, the heat-resistant polymer comprising at least a portion of the exterior surface of the fiber. The fibers typically have a bicomponent and/or a biconstituent core/sheath morphology. Typically, the core comprises an elastic thermoplastic urethane, and the sheath comprises a homogeneously branched polyolefin, preferably a homogeneously branched substantially linear ethylene polymer.

Abstract: The invention relates to a composite yarn including a filament yarn of an inorganic or organic material and a matrix of polymer material, the filament yarn being coated, extruded, or incorporated in the polymer material matrix. The matrix includes at least one foamed polymer. A composite yarn is characterized in that it has a core of an above-mentioned composite yarn and is coated, extruded or incorporated in a second polymer material matrix surrounding the core. Various methods may be used for producing the inventive yarns by coating and extrusion.

Abstract: A photocurable composition comprising cationically curable compound, an acrylate-containing compound; a hydroxyl-containing compound; a cationic photoinitiator; and a free radical photoinitiator; wherein said composition has less than 0.54 equivalents of cationically curable groups, less than 0.10 equivalents of acrylate groups and less than 0.10 equivalents of hydroxyl 0groups per 100 grams of said composition.

Abstract: There is provided doll hair having an unprecedented curly hairstyle using a multifilament having a spiral structure with many random overlaps through a twisting step, a thermal fixing step, an untwisting step, and a thermal provisional fixing step. Specifically, the doll hair of the present invention is achieved by a multifilament processed through a twisting step, a thermal fixing step, an untwisting step, and a thermal provisional fixing step, wherein the number of twist in the twisting step is 100 to 600 times/m, the thermal fixing step is performed by treatment at 60 to 100° C. for 1 to 60 minutes, the number of twist in the untwisting step is 1.1 times or more of the number of twist in the twisting step, the thermal provisional fixing step is performed by treatment at 50° C. to 70° C. for 5 to 30 minutes in a cone or hank, and the multifilament preferably has an apparent specific gravity of 0.02 to 0.1 g/cm3 and a stretching ratio of 1.0 to 15.0%.

Abstract: A fabricated microstructure includes a substrate, a primary fiber, and a plurality of base fibers. The primary fiber has a width less than about 5 microns. Each base fiber of the plurality of base fibers has a first end attached to the primary fiber and a second end attached to the substrate. Each base fiber has a width less than the width of the primary fiber.

Abstract: The present invention provides a nano particle phosphor with superior luminous characteristic formed using nitride semiconductor material, a method of manufacturing the phosphor with high production yield, and a light emitting device using the phosphor. The phosphor is formed of a columnar crystal having a diameter of at most 3 nm, a light emitting region and a light absorbing region are defined in the columnar crystal, and the light emitting region and the light absorbing region are adjacent to each other along a longitudinal direction of the columnar crystal.

Abstract: According to the present invention, a polyvinyl butyral resin pellet is provided that gives off little odor when produced and handled, as well as has a high apparent density and favorable handleability. The present invention includes a method for producing a polyvinyl butyral resin pellet including the steps of: melting polyvinyl butyral resin powder with a water content of 0.01 to 6 wt % by means of a melt extruder that has at least one vent portion for devolatilization equipped with vacuum means, and cutting the melt of the polyvinyl butyral resin after extrusion of it from the melt extruder. The present invention further includes a polyvinyl butyral resin pellet having a total content of butyl aldehyde and 2-ethyl-2-hexenal of 100 ppm or less.

Abstract: The invention relates to coated optical fibers comprising soft primary coatings and to such primary coatings for protecting glass optical fibers having a sufficient high resistance against cavitation. In particular, the primary coatings have a cavitation strength at which a tenth cavitation appears (?10cav) of at least about 1.0 MPa as measured at a deformation rate of 0.20% min?1 and of at least about 1.4 times their storage modulus at 23° C. The coating preferably shows strain hardening in a relative Mooney plot, preferably has a strain energy release rate Go of about 20 J/m2 or more, and preferably has a low volumetric thermal expansion coefficient. The invention furthermore provides a method and apparatus for measuring the cavitation strength of a primary coating.

Abstract: Disclosed herein is a dry, re-applicable, fibrillar adhesive apparatus.

Abstract: Disclosed are primary materials, precursor materials and final materials as well as methods to prepare these materials. The final materials are mixed lithium transition metal oxides, useful as performance optimized cathode materials for rechargeable lithium batteries. The transition metal is a solid solution mixture of manganese, nickel and cobalt, M=(Mn1-uNiu)1-u-yCoy, with 0.2.

Abstract: An on/off reversible adhesive mechanism, and method for fabricating same. The adhesive mechanism is a hierarchical system comprised of a micro-scale compliant surface having one or more nano-structures thereon, wherein the compliant surface is moved by applying a magnetic field either to engage the nano-structures with an adhering surface or to remove the nano-structures from the adhering surface.

Abstract: The present invention relates to novel methods and compositions for detection and isolation of cancer cells with metastatic potential. The invention further relates to assays for measuring the metastatic potential of such cancer cells and drug screening assays for the identification of agents having anti-metastatic potential. The present invention further provides methods and compositions for inhibiting the metastatic potential of cancer cells by modulating the activity of serine integral membrane proteases [(SIMP) consisting of seprase and dipetidyl peptidase IV (DPPIV)] expressed on the surface of metastasizing cancer cells.

Abstract: An ordered ceramic microstructure and a method of making the same. In one embodiment, the ceramic microstructure includes a base structure and one or more ceramic layers. The base structure includes a plurality of first truss elements defined by a plurality of first self-propagating polymer waveguides and extending along a first direction, a plurality of second truss elements defined by a plurality of second self-propagating polymer waveguides and extending along a second direction, and a plurality of third truss elements defined by a plurality of third self-propagating polymer waveguides and extending along a third direction. Here, the first, second, and third truss elements interpenetrate each other at a plurality of nodes to form a continuous material, and the base structure is self-supporting. In addition, the ceramic layers coat a surface of at least one truss element of the first truss elements, the second truss elements, or the third truss elements.

Abstract: Provided are ink jet ink excellent in dispersion stability and ejection stability and capable of forming images with fastness, abrasion resistance, color developability, and high density with little feathering; a microencapsulated pigment (MCP) providing the ink and a process of making the same; and an aqueous dispersion of the MCP. The MCP comprises pigment particles having a hydrophilic group on their surface (hydrophilized pigment particles) and coated with a polymer by emulsion polymerization. The process comprises emulsion polymerization in the presence of the hydrophilized pigment particles. The ink essentially contains the MCP and water.

Abstract: There are provided a pharmaceutical raw material capable of exhibiting a uniform functionality and producing magnetic particle-containing drugs for diagnosis and medical treatments with a high reproducibility. The pharmaceutical raw material comprises a monodisperse colloid sterile aqueous solution of magnetic iron oxide fine particles having an average particle diameter of 5 to 30 nm, a saturation magnetization of 50 to 90 Am2/kg and a coercive force of 0.1 to 1.6 kA/m. The pharmaceutical raw material can be produced by forming magnetic iron oxide fine particles in the form of a colloid aqueous solution, purifying the resultant colloid aqueous solution of superparamagnetic iron oxide particles by water-washing and removing water-soluble salts by-produced upon the reaction from the reaction solution by an ordinary method, and replacing a dispersing medium of the purified colloid aqueous solution with ultrapure water.

Abstract: Certain applicator liquids and application techniques are described, which can be used to form nanotube films or fabrics of controlled properties. An applicator liquid for preparation of a nanotube film or fabric includes a controlled concentration of nanotubes dispersed in ethyl lactate. The controlled concentration is sufficient to form a nanotube fabric or film of preselected density and uniformity.

Abstract: The assemblies of the invention can comprise a fine fiber layer having dispersed within the fine fiber layer an active particulate material. Fluid that flows through the assemblies of the invention can have any material dispersed or dissolved in the fluid react with, be absorbed by, or adsorbed onto, the active particulate within the nanofiber layer. The structures of the invention can act simply as reactive, absorptive, or adsorptive layers with no filtration properties, or the structures of the invention can be assembled into filters that can filter particulate from a mobile fluid while simultaneously reacting, absorbing, or adsorbing materials from the mobile fluid.

Abstract: A hard coating composition that can be coated on a transparent plastic substrate is disclosed. The hard coating composition includes (a) a silver nanoparticle sol, (b) a conductive filler, (c) a photocurable resin, (d) a photopolymerization initiator, and (e) an organic solvent. The composition has a viscosity of about 5 to 100 cps. The silver nanoparticle sol includes a plurality of silver nanoparticles. The plurality of silver nanoparticles has a diameter between about 1 nm and about 10 nm.

Abstract: The invention relates to a process for the production of a component, comprising an insert part (1) sheathed by a plastics layer, by, in a first step, sheathing of at least one part of the insert part (1) with a plastics molding composition (2) with low viscosity and, in a second step, using a hard plastics component (3) for overmolding of the insert part with the sheathing, or by sheathing of the insert part (1) with a hard plastics component (3), regions of the insert part (1) here not being sheathed, and overmolding of the non-sheathed regions with a plastics molding composition (2) with low viscosity. The invention further relates to a component comprising an insert part and comprising plastics sheathing which is composed of at least two plastics components, where the first plastics component, which at least to some extent directly sheathes the insert part (1), is a plastics molding composition (2) with low viscosity, and the second plastics component is a hard plastics component (3).

Abstract: The present invention features additions of nano-structures to interconnect conductor fine particles (spheres) to: (1) reduce thermal interface resistance by using thermal interposers that have high thermal conductivity nano-structures at their surfaces; (2) improve the anisotropic conductive adhesive interconnection conductivity with microcircuit contact pads; and (3) allow lower compression forces to be applied during the microcircuit fabrication processes which then results in reduced deflection or circuit damage. When pressure is applied during fabrication to spread and compress anisotropic conductive adhesive and the matrix of interconnect particles and circuit conductors, the nano-structures mesh and compress into a more uniform connection than current technology provides, thereby eliminating voids, moisture and other contaminants, increasing the contact surfaces for better electrical and thermal conduction.

Abstract: A titanium-containing oxide glass having a bulky form and substantially having a chemical composition represented by the formula: (M1)1-x(M2)x(Ti1-y1(M3)y1)y2Oz [wherein M1 represents an element selected from Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Na and Ca; M2 represents at least one element selected from Mg, Ba, Ca, Sr, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Na, Sc, Y, Hf, Bi and Ag; M3 represents at least one element selected from V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Zr, Nb, Mo, Ru, Rh, Pd, Al, Si, P, Ga, Ge, In, Sn, Sb and Te; and x, y1, y2 and z satisfy the following requirements: 0?x?0.5, 0?y1<0.31, 1.4<y2<3.3, and 3.9<z<8.0, provided that x+y1?0 when M1 represents Ba, and y1?0 when both M1 and M2 represent Ba].

Abstract: Highly porous acicular mullite bodies are prepared. A green body containing mullite precursors and a porogen is formed using a wet method. The green body is heated to sequentially remove any binder, the porogen and calcine it. The calcined body is mullitized. The process formed a calcined body that has excellent strength and can be handled easily. The mullitized body has very high porosity, small pores and has excellent fracture strength.

Abstract: The invention includes fabrics that have been dyed or finished with a dye that contains a conductive mixture of conductive organic materials, inorganic materials, metals, metal oxides, carbon and carbon nanotubes or combinations or mixtures thereof. The dye is used to finish a fabric such that it is conductive. These fabrics are useful in shielding law enforcement personnel from energy weapons discharge and in providing an electrostatic medium for personnel that work with static sensitive products. The fabrics, when appropriately grounded, dissipate the emitted charge and transmit it to ground. Additionally, the apparel has high wear resistance and is both thermally and electrically conductive yet is comfortable to wear.

Abstract: Aramid fibrils having in the wet phase a Canadian Standard Freeness (CSF) value less than 100 ml, after drying a specific surface area (SSA) less than 7 m2/g, and a weight weighted length for particles having a length >250 ?m (WL 0.25) less than 1.2 mm, are described. A method of preparing the fibrils includes the steps (a) polymerizing an aromatic diamine and an aromatic dicarboxylic acid halide to an aramid polymer, in a mixture of N-methylpyrrolidone or dimethylacetamide and calcium chloride or lithium chloride to obtain a dope wherein the polymer is dissolved in the mixture and the polymer concentration is 2 to 6 wt. %, (b) converting the dope to fibrils by using a jet spin nozzle under a gas stream, and (c) coagulating the fibrils using a coagulation jet.

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: The invention relates to a process for making high-performance polyethylene multi-filament yarn comprising the steps of a) making a solution of ultra-high molar mass polyethylene in a solvent; b) spinning of the solution through a spinplate containing at least 5 spinholes into an air-gap to form fluid filaments, while applying a draw ratio DRfluid; c) cooling the fluid filaments to form solvent-containing gel filaments; d) removing at least partly the solvent from the filaments; and e) drawing the filaments in at least one step before, during and/or after said solvent removing, while applying a draw ratio DRsolid of at least 4, wherein in step b) each spinhole comprises a contraction zone of specific dimension and a downstream zone of diameter Dn and length Dn with Ln/Dn of from 0 to at most 25, to result in a draw ratio DRfluid=DRsp*DRag of at least 150, wherein DRsp is the draw ratio in the spinholes and DRag is the draw ratio in the air-gap, with DRsp being greater than 1 and DRag at least 1.