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8182725 Methods for making polylactic acid stereocomplex fibers  
PLA stereocomplex fibers are made by separately melting a high-D PLA starting resin and a high-L starting resin, mixing the melts and spinning the molten mixture. Subsequent heat treatment...
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...
8052905 Process for the preparation of polymer yarns from ultra high molecular weight homopolymers or copolymers, polymer yarns, molded polymer parts, and the use of polymer yarns  
A process for the preparation of polymer yarns from ultra high molecular weight homopolymers or copolymers, wherein the process includes the following steps: (a) preparing a suspension of a...
8021584 Process for preparing polymeric fibers based on blends of at least two polymers  
Blending of thermoplastic polyester with fiber-forming polyamide in the production of melt-colored melt-spun fibers results in improved color strength and aesthetics, and dimensional stability.
8003027 Process for the preparation of polymer yarns from ultra high molecular weight homopolymers or copolymers, polymer yarns, molded polymer parts, and the use of polymer yarns  
A process for the preparation of polymer yarns from ultra high molecular weight homopolymers or copolymers which includes the steps of preparing a suspension of a homopolymer or copolymer and a...
7938993 Process for making cellulose fibre, filaments or films  
An improved process for the preparation of a cellulose solution for spinning of fibers, filaments or films therefrom comprising the steps of: a) activating cellulose in a mixture containing said...
7931843 Process for producing polyphenylene sulfide filament yarns  
The present invention relates to a process for producing a polyphenylene sulfide multifilament yarn, a polyphenylene sulfide multifilament yarn and the use of a polyphenylene sulfide multifilament...
7901614 Methods and apparatus for meltblowing of polymeric material utilizing fluid flow from an auxiliary manifold  
Methods and apparatus for meltblowing utilize an auxiliary manifold to dispense a fluid between an orifice of a die that is expelling polymeric fibers and an exit of a duct that is dispensing a...
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...
7842208 Spinning method  
A method for spinning a multifilament yarn from a thermoplastic material, where the filament bundle is cooled below the spinneret in a first cooling zone, first of all by means of at least one...
7807094 Process of preparing continuous filament composed of nanofibers  
A method for producing a continuous filament made up of nanofibers is disclosed. A ribbon-shaped nanofiber web is prepared by electrospinning a polymer spinning solution onto a collector 7 applied...
7793357 Method of producing ultra thin chitosan fibers and non-woven fabrics  
This invention provides a method of producing chitosan non-woven fabrics and an apparatus thereof. At first, a chitosan acidic solution is extruded to form a chitosan fibrous stream. Then, a...
7776246 Process for the production of polyarenazole yarn  
The present invention concerns a process for making a polyareneazole multifilament yarn comprising: a) extruding a solution comprising polyareneazole polymer and polyphosphoric acid through a...
7731876 Spinning method  
A method is provided for spinning a multifilament thread from a thermoplastic material, including the steps of extruding the melted material through a spinneret with a plurality of spinneret holes...
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...
7662325 Polyhydroxyalkanoic acid fibers with high strength, fibers with high strength and high modulus of elasticity, and processes for producing the same  
The present invention is a process for producing a fiber, comprising: melt-extruding polyhydroxyalkanoic acid; solidifying the polyhydroxyalkanoic acid by quenching it to its glass transition...
7622063 Pleated aligned web filter  
A filter element in the form of a nonwoven self-supporting filtration web having rows of folded or corrugated spaced-apart pleats, the web containing continuous thermoplastic fibers a majority of...
7435370 Process of making a fiber  
A fiber and a process for obtaining same from a high-modulus polyethylene, extrudable in state-of-the-art equipment and in the absence of previous solubilization in any kind of organic solvent is...
7214335 Solution containing cellulose dissolved in N-methylmorpholine-N-oxide and high tenacity lyocell multifilament using the same  
This invention relates to a method of preparing cellulose solution which is homogeneous at relatively low temperature, in which a small amount of cellulose powder or polyvinylalcohol is dissolved...
7189346 Polybenzazole fibers and processes for their preparation  
The present invention relates to polybenzazaole (PBZ) fibers and processes for the preparation of such fibers. The invention further relates to yarns, fabrics, and articles incorporating fibers of...
7108818 Dimensionally stable polyester yarn for high tenacity treated cords  
A spun polyester fiber, a drawn polyester yarn, and methods for making them. Polyethylene terephthalate yarn is prepared by extruding a molten melt-spinnable polyethylene terephthalate having an...
7070723 Method for spin-drawing of melt-spun yarns  
A method is provided for simultaneous spin-drawing of continuous yarns consisting of one or more filaments, comprising the steps in which a melt of a thermoplastic material is fed to a spinning...
6890466 Elastically stretchable nonwoven fabric and process for making the same  
An elastically stretchable nonwoven fabric including thermoplastic elastomer filaments; the filaments being heat-sealed and/or mechanically intertwined together to form the nonwoven fabric that has...
6824717 Method for melt spinning filament yarns  
A method of melt spinning a group of multifilament yarns (1) from a polymer melt, wherein each group of yarns (10) is formed from a plurality of filaments (4) that are extruded through a nozzle...
6764623 Process of making polyester filamentary yarn for tire cords  
Polyester multi-filamentary yarn, useful as tire reinforcement, is produced by melting polyester resin at 290° C. or below including at least 90 mol % of polyethylene terephthalate with intrinsic ...
6723265 Method for producing polyester-based combined filament yarn  
A polymer of a kind different from a polyester in an amount within the range of 0.3 to 5.0% by weight based on the polyester is added to the polyester, and the resulting composition is...
6692671 Process for producing a polyester fiber  
A process for producing a polyester fiber by melt spinning a polyester having at least 90% or more by weight of poly(trimethylene terphthalate), the process including rapidly cooling to solidify...
6623681 Polyester fiber and process for preparing the same  
Intermediate polyester fibre and method for the production thereof, characterized in that highly oriented undrawn polyester yarn with a degree of crystallinity in a specified range is passed under...
6613257 Process for making load limiting yarn  
A process for making load limiting yarn comprising making block copolymer and then spinning the block copolymer into yarn. The process employs a twin screw extruder and comprises (A) forwarding...
6569987 Process for producing meta-aromatic polyamide fiber  
To produce meta aramid filaments having a good quality from a polymer solution of a meta aramid produced by a solution polymerization method, with high efficiency, (1) a meta aramid is prepared by...
6569366 Process for producing meta-type wholly aromatic polyamide filaments  
A meta-type wholly aromatic polyamide containing, as principal repeating units, meta-phenylenediamineisophthalamide units is dissolved in an amide compound solvent; the resultant polymer solution...
6551545 Method and apparatus for melt spinning a multifilament yarn  
A method and an apparatus for melt spinning a multifilament yarn from a thermoplastic material, wherein a spinneret extrudes the thermoplastic material to strandlike filaments, which are initially...
6444151 Apparatus and process for spinning polymeric filaments  
A melt spinning apparatus for spinning continuous polymeric filaments including a first stage gas inlet chamber adapted to be located below a spinneret and optionally a second stage gas inlet...
6403006 Process of making dimensionally stable polyester yarn for high tenacity treated cords  
Polyethylene terephthalate yarn is prepared by spinning under high stress conditions in the transition region between oriented-amorphous and oriented-crystalline undrawn yarns by selection of...
6368533 Process for forming films, fibers and base webs from thermoset polymers  
A process for forming fibers, films and fibrous webs from thermoset polymers is disclosed. The process includes first forming an energy activatable prepolymer composition. The prepolymer...
6332993 Process of making heat-retaining fibers  
A method for making heat-retaining fiber and fabrics. According to the present invention, the white conductive particles and the white particles with good radiating efficiency of far-infrared...
6290888 Highly oriented polymer fiber and method for making the same  
The present invention provides a highly oriented aramid fiber with high tensile strength, high tensile modulus and low breakage elongation by spinning liquid crystal polymers such as aramids and...
6277320 Melt spinning method and its apparatus  
A melt spinning apparatus that prevents filaments passing through an unstable area from contacting one another. In a melt spinning method for thinning and solidifying each molten filament F ejected...
6159597 Centrifugal spinning process for spinnable solutions  
The invention pertains to a process for spinning fibers or filaments from a spinnable solution using a centrifuge of which the wall has one or more spinning orifices, in which process the spinnable...
6149847 Method of and apparatus for the production of polyester yarn  
Polyester yarn is made by melt spinning the polyester filaments which are then cooled at least to solidification and heated by counterflow with prestretching to a crystallinity in excess of 24%....
6103162 Process for producing cellulose fibres  
The invention relates to a process for producing flexible cellulose fibres by spinning solutions of the cellulose through spinnerets over an air layer in an amine oxide-containing aqueous and/or...
6093355 Manufacture of extruded articles  
Use in the manufacture of extruded lyocell articles of cellulose having a value of Pipe Flow Index (as defined) to Jet Flow Index (as defined) in the range from 0.85 to 6 can offer a number of...
6042769 Lyocell fibre and a process for its manufacture  
The fibrillation tendency of solvent-spun fiber can be increased by subjecting the fiber to a treatment which reduces its degree of polymerisation by about 200 units or more. Suitable methods of...
6042767 Method of producing a cellulosic yarn  
In a process for manufacturing a cellulosic yarn by spinning of a solution of cellulose in a tertiary amine oxide, the solution possibly containing water and/or a stabilizer, to form fibers or...
6036895 Process and device for the formation of monofilaments produced by melt-spinning  
A continuous process and apparatus for the production of melt-spun monofilaments having a diameter of 60 μm to 2500 μm from fiber-forming polymers, wherein the polymer melt is spun into air from a...
5985192 Process for the manufacture of spiralled bristles  
The invention relates to a method for the manufacture of screwlike bristles by extruding monofilaments. In order to provide a method with which screwlike bristles can be inexpensively manufactured...
5968432 Process of making a fiber  
A process of making a fiber includes the sequential steps of extruding as a stream solution of a polymer having a polymer concentration of 4-24 weight % into a non-coagulating fluid, stretching the...
5965084 Process for producing non-woven fabrics of ultrafine polyolefin fibers  
A process for producing a non-woven fabric of ultrafine polyolefin fibers by subjecting a web of splittable conjugate polyolefin fibers to a water needle processing, and non-woven fabric thus...
5965073 Process and device for producing polyester yarns  
Polyester yarn is produced from melt spun filament by prestretching the filaments individually in counterflow with a gaseous medium and then afterstretching the polyester filaments with an...
5938986 Method and apparatus for manufacturing a graded refractive index plastic optical-fiber  
A plastic optical-fiber is provided having a desired length and a desired graded refractive index. To this end, a base polymer is mixed with a non-polymerizable compound having a higher refractive...
Matches 1 - 50 out of 303 1 2 3 4 5 6 7 >