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8623950 High heat and chlorine resistant polyurethaneurea elastic fiber and preparation of thereof  
The present invention relates to a preparation method of polyurethaneurea elastic fiber, particularly a preparation method of high heat-resistant elastic fiber which retains unique physical...
8551390 Electrospinning apparatus, methods of use, and uncompressed fibrous mesh  
Embodiments of the present disclosure provide electrospinning devices, methods of use, uncompressed fibrous mesh, and the like, are disclosed.
8486318 Fiber, fiber aggregate and adhesive having the same  
Provided is a functional fiber and a fiber aggregate for realizing various functions, an adhesive for easily bonding electronic components, and a method for manufacturing the same. Particularly, a...
8361365 Process for electroblowing a multiple layered sheet  
A process for electroblowing a multiple layered sheet using multiple spinning beams to produce different component webs wherein the sheet doesn't stick to the forming screen and has improved web...
8361366 Process for the preparation of UHMW multi-filament poly(alpha-olefin) yarns  
A process for preparing ultra-high molecular weight poly(alpha-olefin) (UHMWPO) multi-filament yarns having improved tensile properties at higher productivity. The process includes drawing a...
8303874 Solution spun fiber process  
The invention relates to a process for forming fibers from a spinning solution utilizing a high speed rotary sprayer. The fibers can be collected into a uniform web for selective barrier end uses....
8147745 Process for producing fiber and method for producing catalyst layer  
To provide a process whereby an ultrafine fiber of a fluorinated ion exchange resin can be produced easily at low cost, and a method whereby a catalyst layer having a high gas diffusion property...
8137809 Ultra high molecular weight polyethylene multifilament yarns, and process for producing thereof  
The invention relates to a gel spun, ultrahigh molecular weight polyethylene (UHMWPE) multifilament yarn characterized in that said yarn comprises individual monofilaments having a coefficient of...
8114325 Process for forming uniformly distributed material  
A fluidized mixture is issued from a nozzle comprising a fan jet at the outlet, causing the mixture to spread as it is issued. The issued material is collected on a moving collection surface...
8104624 Preparation of high performance ultra filtration hollow fiber membrane  
A multipolymeric mixture is provided that includes a hydrophobic polymer, two different grades of a water-soluble polymer, water as non-solvent and a solvent suitable for all polymers involved. The...
8105521 Aromatic polyamide filament and method of manufacturing the same  
Disclosed are wholly aromatic polyamide filament and a method of manufacturing the same, characterized in that, in a process of preparing wholly aromatic polyamide polymer, a multiple tubular feed...
8092732 Processing method of the natural cellulose fiber with feature for enhancing the capability of antifungi, antibacteria and deodorization  
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...
7998575 Low shrinkage, dyeable MPD-I yarn  
The invention relates to a continuous dry spinning process for preparing a fiber from a polymer solution having concentrations of polymer, salt, solvent and water. After the fiber is extruded and...
7998388 Rotary process for forming uniform material  
A thin, uniform membrane comprising polymeric fibrils or a combination of fibrils and particles, wherein the fibrils have randomly convoluted cross-sections, and a process for making the membrane...
7846363 Process for the preparation of UHMW multi-filament poly(alpha-olefin) yarns  
A process for preparing ultra-high molecular weight poly(alpha-olefin) (UHMWPO) multi-filament yarns having improved tensile properties at higher productivity. The process includes drawing a...
7780889 Multistage draw with relaxation step  
The invention relates to a continuous dry spinning process for preparing a fiber from a polymer solution having concentrations of polymer, salt, solvent and water. After the fiber is extruded and...
7771638 Rapid plasticization of quenched yarns  
The invention relates to a continuous dry spinning process for preparing a fiber from a polymer solution having concentrations of polymer, salt, solvent and water. After the fiber is extruded and...
7771637 High-speed meta-aramid fiber production  
The invention relates to a continuous dry spinning process for preparing a fiber from a polymer solution having concentrations of polymer, salt, solvent and water. After the fiber is extruded and...
7771636 Single stage drawing for MPD-I yarn  
The invention relates to a continuous dry spinning process for preparing a fiber from a polymer solution having concentrations of polymer, salt, solvent and water. After the fiber is extruded and...
7736563 Full dull polyamide 6 yarn, and a process of preparing for the same  
The present invention relates to a full dull polyamide 6 yarn and a process for preparing the same. The yarn of this invention contains 1.5 to 2.5% by weight of titanium dioxide relative to the...
7713459 Cellulose fiber for using as industrial materials  
The present invention relates to cellulose fiber containing 500 to 2000 of filaments and having homogeneous physical properties and the multi-filaments according to the present invention is...
7686987 Polycarbonate films prepared by coating methods  
A method of film fabrication is taught that uses a coating and drying apparatus to fabricate resin films suitable for optical applications. In particular, polycarbonate films are prepared by...
7674409 Process for making uniform high strength yarns and fibrous sheets  
Methods for preparation of high strength yarns having superior yarn-to-yarn uniformity of denier, tenacity and tensile modulus and uniform unidirectional fibrous sheets. Ballistic composites...
7582240 Rotary process for forming uniform material  
A thin, uniform membrane comprising polymeric fibrils or a combination of fibrils and particles, wherein the fibrils have randomly convoluted cross-sections, and a process for making the membrane...
7364792 Spun-dyed polyurethaneurea fibres, a process for their production and their use for producing fabrics  
Described are elastic polyurethaneurea fibres comprising a cationically modified carbon black as an additive, so that the colour of the fibre is distinctly changed. Also described are a process for...
7364678 Process for making and process for converting polyolefin fibres  
The invention relates to a process for making a multi-filament polyethylene yarn via a gel-spinning process, Wherein a spin finish is applied at least once in an amount of 0.1-10 mass % based on...
7288220 Solution spinning of UHMW Poly (alpha-olefin) with recovery and recycling of volatile spinning solvent  
A process for spinning high molecular weight poly (alph-olefin) filament, particularly ultrahigh molecular weight polyethylene filament, from solution in a volatile spinning solvent with recovery...
7179413 Flash-spinning process and solution  
A process for the preparation of plexifilamentary film-fibril strands of synthetic fiber-forming polymer comprises the steps of generating a spin fluid and flash-spinning the spin fluid to form...
7160623 Melt-processible poly(tetrafluoroethylene)  
Melt-processible, thermoplastic poly(tetrafluoroethylene) (PTFE) compositions are disclosed and methods for making and processing same. Additionally, products comprising these compositions are...
6994538 Apparatus and method for molding optical lenses  
An apparatus and a method for molding optical lenses are disclosed. The apparatus comprises a first molding shell with a first diameter, a sealing element surrounding the first molding shell, and...
6830715 Method and device for producing elastane threads from recycling material  
Method and device for producing elastane threads from spinning solutions using recycled elastane material.
6811716 Polyolefin fibers and method for the production thereof  
A method for producing hydrophobic polyolefin-containing fibers or filaments, in particular cardable staple fibers, using spin finishes applied after spinning and stretching, that comprise at least...
6793840 Azeotrope mixtures with perfluorobutylethylene  
An azeotropic mixture of perfluorobutylethylene and at least one of the group consisting of bromochloromethane, cyclopentane, cis-1,2 dichloroethylene, trans-1,2 dichloroethylene and...
6787230 Ultrafine inorganic fiber, and a process of preparing for the same  
The present invention relates to ultra-fine inorganic fibers and a method of producing the same. The method of producing ultra-fine inorganic fibers comprises the steps of: mixing sol or gel...
6780361 Process of making polymer articles  
A method including forming a pseudo-gel of a semi-crystalline polymer material and a solvent. The pseudo-gel is shaped into a first form and stretched. A portion of the solvent is removed to create...
6723267 Process of making highly oriented polyolefin fiber  
The invention relates to a highly oriented polyolefin fiber containing polyolefin with an intrinsic viscosity of at least 5 dl/g, which fiber has a tensile strength of at least 26 cN/dtex and a...
6638470 Flash-spinning process and solution  
A process for flash-spinning a web of plexifilamentary film-fibril strands of synthetic fiber-forming polymer and laying down the web to form a nonwoven batt material therefrom is provided. The...
6533975 Process of making polyurethane fiber or film  
This invention provides processes for preparing fiber or film comprising a polyurethane and layers delaminated from a lamellar clay, said layers being dispersed in said polyurethane. Fiber and film...
6468652 Elastic polyurethane-urea fiber and method for producing the same  
An improved polyurethane-urea elastic fiber is obtained by incorporating a specific urea compound prepared by reacting the following compounds together: (a) a nitrogen-containing compound having...
6458304 Flash spinning process and solutions of polyester  
A process for producing plexifilamentary or foam products by flash spinning in selected spin agents a polymer from the group consisting of poly (1,3-propylene terephthalate), poly (1,4-butylene...
6436323 Production of fibre  
Staple fiber is produced by extruding a solution of a polymer through a spinneret to form continuous filaments, gathering the continuous filaments to form a tow and continuously cutting the...
6403712 Process for the manufacture of spandex and the spandex made thereby  
Dry-spun polyurethane-based spandex ® containing 1-10 weight percent poly(vinylpyrrolidone) and a process of their preparation, are provided.
6376071 Polyurethane fiber containing poly(vinylidene fluoride)  
The present invention relates to polyurethane based fiber containing 0.1-25 percent poly(vinylidene fluoride) and a method of making the same.
6316582 Use of an alkoxylated polyamine surfactant as a viscose spin bath additive  
The present invention relates to a method of reducing the clogging of nozzles and slits and diminishing the formation of deposits in the spin bath system in the process of making viscose...
6248273 Spinning cell and method for dry spinning spandex  
A spinning cell for dry spinning spandex by extruding filaments from a nonuniform array of spinneret capillary groups in a rectangular bar and contacting them with a cross-flow of hot, inert gas is...
6218460 Fibers flash-spun from fully halogenated polymers  
A flash-spun material comprised of at least 90% by weight of polymers selected from the groups A, B, and C; wherein group A comprises polymers with a melting point above 280° C. that are comprised ...
6171537 Preparation of poly (urethaneurea) fibers  
A process for the preparation of poly(urethaneurea) fibers by reacting a blocked aliphatic diamine with a capped glycol prepolymer, followed by extrusion spinning, is provided.
6153134 Flash spinning process  
A spinning process using azeotropic compounds as spin agents having essentially zero ozone depletion potential and that are either non-flammable or of very low flammability.
6153136 Process for manufacturing cellulosic microfibers  
Microfibers have been manufactured from dissolved cellulose, from which threads, yarns, and fabrics can be made. These cellulosic microfibers may be used to produce fabrics with the very soft feel...
6136911 Fibers flash-spun from partially fluorinated polymers  
A flash-spun material comprised of at least 20% partially fluorinated hydrocarbon polymers in which between 10% and 70% of the total number of hydrogen atoms in each hydrocarbon polymer are...
Matches 1 - 50 out of 386 1 2 3 4 5 6 7 8 >