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Matches 601 - 650 out of 3,238

Document Document Title
WO/2002/026877A2
ABSTRACTCellulose acetate may be dissolved and mixed with a lignin derivative in acetone in order to form a modified cellulose acetate. The modified product of cellulose acetate is then spun to form a modified cellulose acetate fiber. A ...  
WO/2002/024989A1
This invention refers to the fabrication method of conductive polymer polyaniline and polynaniline blend spinning solution, the fabrication method of spinning solution using polyaniline salts in detail. This method is characterized by th...  
WO/2002/022924A1
Process for producing fibres film, casings and other products from modified soluble cellulose wherein the initial cellulose is hydrothermally treated at a temperature in the 100-200 °C range, under a pressure in the range from 0.1 to 1....  
WO/2002/020885A1
The invention relates to a method and to a device for the continuous, single-step production of a homogeneous solution of cellulose in hydrous aminoxides on the basis of cellulose and aqueous aminoxides, preferably N-methylmorpholino-N-o...  
WO/2002/018682A1
The invention relates to a method for producing cellulose fibers and cellulose filament yarns with improved properties on the basis of cellulose according to a dry-wet spinning method using aqueous aminoxides, especially N-methyl-morphol...  
WO/2002/012381A1
The invention relates to a polymer composition comprising a biodegradable polymer and at least one alkaloid or at least one substance containing at least one alkaloid.  
WO/2002/012600A1
The invention relates to a device, a method and an installation for extruding continuous moulded bodies for producing filaments or staple fibres from an extrusion solution, for example a cellulose solution containing water, cellulose and...  
WO/2002/012599A1
The invention relates to a method and a device for extruding continuous moulded bodies. An extrusion solution, especially an extrusion solution containing water, cellulose and a tertiary amine oxide, is extruded through an extrusion open...  
WO/2002/004718A1
The invention relates to a device and to a method for the secure conveyance and handling of a cellulose solution that is suitable for producing solvent-spun cellulose shaped bodies, especially for producing fibers, films and membranes. T...  
WO/2002/000975A1
The invention relates to a method for producing cellulose fibres. According to said method, a solution of cellulose in a tertiary amino oxide is extruded through the spinning holes of a spinneret and the extruded filaments are fed into a...  
WO/2002/000976A1
The invention relates to a modifying agent containing alkyl polyglucosides for the production of cellulose fibres according to the viscose method. The above-mentioned invention further relates to a method for the production of cellulose ...  
WO/2001/096636A1
The invention relates to a method and a device for producing threads, fibres, films or moulded bodies, preferably lyocell threads and fibres, out of cellulose. Dry cellulose is mixed with an aqueous NMMO solvent in a mixing device (4) em...  
WO/2001/096402A1
The method for the manufacture of fibres, films and other products from modified, soluble cellulose consists in that the starting cellulose pulp in a suspension of water, aqueous buffer with pH not lower than 2.5 and/or in an aqueous sol...  
WO/2001/090451A1
The invention relates to a method for producing a continuous moulded body (11) from an extrusion solution preferably containing water, cellulose and a tertiary amine oxide. The extrusion solution is extruded into a continuous moulded bod...  
WO/2001/090450A1
The invention relates to a method for producing a continuous shaped body (11) from an extrusion solution preferably containing water, cellulose and a tertiary amino oxide. The extrusion solution is extruded through an extrusion channel o...  
WO/2001/088236A2
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.) and a narrow molecular...  
WO/2001/088232A1
The invention relates to a fluid guidance piece for a modular fluid guidance system used to conduct the flow of a cristallising, heat-sensitive operating fluid, such as a synthetic polymer, a cellulose derivate or a solution of cellulose...  
WO/2001/086041A1
The invention relates to a method for producing extruded, cellulosic continuous shaped bodies from an extrusion solution containing cellulose, water and tertiary amino-oxide. In order to improve the textile properties of the extruded con...  
WO/2001/086043A1
The invention is lyocell fiber characterized by a pebbled surface as seen at high magnification and having a variable cross section and diameter along and between fibers. The fiber is produced by centrifugal spinning, meltblowing or its ...  
WO/2001/085824A2
This invention relates to aliphatic-aromatic copolyesters, as well as blends of cellulose esters and/or aliphatic polyesters and aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, nonwovens, molded objects, and...  
WO/2001/086042A1
A method for producing a formed product of cellulose which comprises delivering a solution of cellulose in a tertiary amine oxide containing waste paper and/or a kenaf pulp and 1 wt % or more of a chemical pulp, to adjust its form, and t...  
WO/2001/081663A1
The invention relates to a spinning head (8) for spinning a spinning solution, having a tubular, thin walled spinning capillary (7) with an outlet (94). A mixture consisting of, for instance, cellulose, tertiary amine oxide and water is ...  
WO/2001/081664A1
Cellulose containing dope is extruded through orifices and into a stream of gas moving in a direction generally parallel to the direction that the filaments are formed with varying degrees of mechanical attenuation provided to the filame...  
WO/2001/074906A1
The invention relates to a method for producing and processing a cellulose solution which is obtained by dissolving the cellulose in a tertiary piperidonyl amine oxide, preferably piperidonyl NMMO. The cellulose dissolved in this manner ...  
WO/2001/073172A1
Disclosed is a novel rayon fiber which possesses so characteristics similar to those of a viscose rayon fiber as to be suitable for use in clothes in addition to being produced at an economical cost. The rayon fiber is prepared from a ce...  
WO/2001/070819A1
The invention relates to a method for continually producing a suspension of cellulose in an aqueous tertiary amine oxide for the use according to the lyocell method. According to the inventive method, (a) a cellulose suspension is produc...  
WO/2001/068958A1
The invention relates to a method for the production of cellulose fibres or filaments from cell material, by the dry-wet extrusion method with aqueous amine oxides, in particular, N-methylmorpholine-N-oxide as solvent, comprising the fol...  
WO/2001/064775A1
The invention relates to a method for producing a cellulose solution in an aqueous amine oxide, preferably N-methylmorpholine-N-oxide, for processing to form cellulosed moulded bodies according to the Lyocell method, whereby said solutio...  
WO/2001/062844A1
The invention relates to a polymer composition, comprising a biologically degradable polymer and a material from marine plants and/or marine animal shells, or at least two components chosen from the group comprising, saccharides and deri...  
WO/2001/058666A1
The invention relates to a buffer store, such as essentially used for guaranteeing constant supply of a polymer melt to a spinning machine. The buffer store is provided with a compensation chamber (5). The volume of said chamber can be c...  
WO/2001/058960A1
The invention concerns a simplified process for producing and processing a cellulose solution obtained by dissolving the cellulose in a tertiary aminoxide-pyrrolidonate, preferably in a NMMO-pyrrolidonate. The cellulose is dissolved in a...  
WO/2001/055486A1
The invention relates to a polyelectrolyte solid system, especially provided in the form of flocks, flock composites, nonwovens or paper, whereby these are comprised of a mixture of fibrous entities containing polyanion-polycation comple...  
WO/2001/036531A1
A polymeric material having useful properties brought about by taking advantage of properties of a silk fibroin material in combination with properties of a natural cellulosic material; and polymeric products made of the material, such a...  
WO/2001/034655A1
A cellulose dope comprising an aqueous caustic soda solution and a cellulose dissolved in the solution, characterized in that the concentration of caustic soda (C¿Na?) is 6.5 to 11 wt.%, the cellulose content (C¿C?) is 4 to 12 wt.%, an...  
WO/2001/034885A2
The invention relates to a method for producing cellulose fibres or filaments from cellulose according to the dry-wet extrusion process, using aqueous amine oxides as the solvent. According to said method a) cellulose with a cuoxam-DP in...  
WO/2001/027161A1
The invention relates to a method for continually producing an extrusion solution for producing cellulosed shaped bodies, such as fibres and films, according to the lyocell method. According to the inventive method, (a) a cellulose suspe...  
WO/2001/025515A1
The invention relates to a method for producing cellulose shaped bodies such as fibers, filaments or films from TCF- or ECF bleached cellulose wherein cellulose is dissolved in an aqueous tertiary amine oxide to produce a formable cellul...  
WO/2001/025512A2
A method for regulating the composition of a solution(s) in the production of cellulosic mouldings comprises (a) mixing cellulose and a water containing amine oxide to form a suspension, (b) forming a cellulose solution from the suspensi...  
WO/2001/025517A1
A method for controlling the composition of the cellulose containing extrusion solution in the production of cellulosic mouldings comprises (a) mixing cellulose with an aqueous amine oxide solution, (b) transforming the mixture into the ...  
WO/2001/021866A1
A process of making a catamenial/tampon product including incorporating a finely divided odor adsorbent material in a solution (14) stored in a tank (12), pumping the solution (14) by means of a pump (16) to an extrusion device (18) disp...  
WO/2001/011121A1
The invention relates to novel colored cellulosic shaped bodies, especially fibers or films, that comprise a colorant which contains heavy metals and which, according to the cited thermostability test, decreases the increasing temperatur...  
WO/2001/007692A1
The invention relates to a device for the production of viscose staple fibers comprising two to eight, preferably four to six, spinning devices (10-40) disposed side by side, each of which has a spinning nozzle (13-43) for spinning visco...  
WO/2001/004075A1
Process for the fabrication of activated cellulose and derivatives thereof such as viscose as raw material for the fabrication of fibers, films and other cellulose products through the treatment of any available cellulose source, essenti...  
WO/2000/068271A1
The invention relates to a method for producing a spinning solution of cellulose in N-methylmorpholin-N-oxide-monohydrate, wherein (a) the cellulose is pre-activated with liquid ammonia at an initial pressure which is greater than the at...  
WO/2000/066820A1
The invention relates to a method for reducing the fibrillation tendency of cellulose fibres spun from solvents. According to the invention, a substance which consists of aliphatic binding links and two or more vinyl sulphone groups, or ...  
WO/2000/063470A1
The invention relates to a method for producing highly adsorbent cellulosic forms according to the dry-wet extrusion method by producing a solution of 5 to 20 mass % cellulose in a hydrous, tertiary amine oxide, extruding the solution, d...  
WO/2000/063317A2
The present invention relates to an inorganic illuminant that is produced by means of a solid phase synthesis and that has an average particle size of not more than 1,000 nm. The invention also relates to a method for producing an inorga...  
WO/2000/053832A1
Highly biodegradable cellulose acetate constructions at least the surface area of which comprises a biodegradable cellulose acetate composition containing, in cellulose acetate, a biodegradation promotor comprising at least one compound ...  
WO/2000/039373A1
A wetness-responsive fiber which is characterized by comprising a monofilament formed from a resin composition comprising a base resin as an optional ingredient, a resin having anionic groups, and a resin having cationic groups. It can b...  
WO/2000/031143A1
Cellulose triacetate having satisfactory filterability, i.e., having a clogging constant (K) as determined by the following method of 70 or lower. (Measurement method) Cellulose triacetate is dissolved in a methylene chloride/methanol [9...  

Matches 601 - 650 out of 3,238