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JP2008504456A |
A cigarette filter tow is a cellulose acetate tow having a high uncrimping energy (UCE) and a low fly. In one embodiment, the average UCE is greater than 280 and the average fly is less than or equal to 0.030 grams per 30 minutes. In ano...
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JP4034808B2 |
Fiber made of cellulose formate and fiber made of cellulose regenerated from cellulose formate. These fibers exhibit high tenacity and modulus properties, combined with improved values of elongation at break and of energy at break. Their...
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JP4029312B2 |
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JP2007332495A |
To provide a thick and thin multifilament yarn of cellulose fatty acid-mixed ester, which is capable of giving natural moire woven/knitted fabrics with dry touch feeling. In the thick and thin multifilament yarn, the yarn fineness variat...
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JP4028003B2 |
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JP4027978B2 |
Irradiated woodpulp can be converted by a viscose manufacturing process into viscose wherein the ratio of alkali to cellulose is in the range from 0.37 to 0.50. The viscose has good filterability and can be coagulated and regenerated to ...
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JP2007314914A |
To provide a chemical fiber containing rice bran oil and to provide a textile product using the same, which has skin barrier effect. The rayon fiber containing rice bran oil is obtained by mixing an emulsion including the rice bran oil, ...
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JP4018152B2 |
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, melt blowing or its...
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JP4015109B2 |
The use of low specific gravity wood from thinning operations, for example, will produce a lower brownstock viscosity for a given kappa number target. A differential of 200-cP falling ball pulp viscosity has been detected from Kraft cook...
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JP4010568B2 |
A cellulose formate fiber of liquid-crystal origin, having a high elongation at break and having the following characteristics: a) under an optical polarizing microscope, its filaments have a banded structure typical of its liquid-crysta...
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JP4012878B2 |
Production of pulp comprises pulping a wood material with a specific gravity less than 0.41 by an alkaline pulping process; and bleaching the pulp to reduce the viscosity of the pulp and provide a bleached pulp.
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JP2007297730A |
To spin a cellulose ester short fiber while having a soft property suitable for the use as clothes, improving fibrillation resistance and preventing piling while inhibiting the decrease of strength at the time of becoming moist. This spu...
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JP2007531827A |
The present invention relates to superabsorbent cellulose fiber including cellulose and at least one ethylenically unsaturated monomer. The invention also relates to a method of producing the superabsorbent fiber, and absorbent articles ...
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JP4004501B2 |
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 in the liquid-state, concentrated N-methy...
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JP2007283173A |
To provide a manufacturing method for a fine microcapsule with a uniform particle size distribution in which an operability and a fiber physical property are not reduced by kneading it in an organic chemical fiber. In the manufacturing m...
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JP4002158B2 |
To obtain cellulosic fiber dyeable with a a cationic dye which develops dyeing having resistance to wet-heat treatment even in a processing process adopting the wet-heat treatment. The cellulosic fiber dyeable with the cationic dye conta...
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JP4001783B2 |
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JP2007277582A |
To provide a molded product by thermoforming a cellulose ester blend having high compatibility and high miscibility. (a) 2 to 98 wt.% of at least one kind of cellulose ester bearing 1 to 10 C alkanoyl chain having D.S. of 2.3 to 3.0, the...
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JP3994863B2 |
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JP3995228B2 |
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JP2007269966A |
To provide a cellulose ester composition and a fiber which exhibit improved abrasion resistance and thermal stability while maintaining the dyeability of molded articles obtained from the cellulose ester composition. The cellulose ester ...
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JP3986569B2 |
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JP2007245107A |
To provide a hollow fiber porous membrane provided with a mechanical strength and a water-permeable performance at a high level at a good balance. In the hollow filament porous film, there are no skin layer and no void layer and at least...
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JP2007231466A |
To obtain a woven fabric for pressure-sensitive adhesive tape, which has markedly improved hand-tearing property by using a woven fabric produced by using a fiber of extremely low strength and low elongation. The woven fabric for pressur...
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JP3965154B2 |
To provide a method for economically producing lyocell products from a pulp containing hemicellulose usually removed. The method for producing lyocell products comprises making a dope from the pulp and forming lyocell products from the d...
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JP3965153B2 |
To provide pulp useful for producing lyocell products, to provide a method for producing the pulp, to provide lyocell products made from the pulp, to provide a method for producing the lyocell products, and especially, to provide a metho...
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JP3961842B2 |
To provide a regenerated cellulosic yarn having the same excellent dyeability as that of cotton, and to provide a processing method for obtaining the same. This regenerated cellulosic yarn is characterized by having a color difference of...
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JP3957454B2 |
A process for treatment of warp knitted fabrics containing regenerated cellulose fibers comprises crumpling the fabrics and subjecting the resultant fabrics to alkaline treatment in a spread state. An independent claim is also included f...
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JP2007522359A |
The present invention is a method for producing a nonwoven fabric in which a cellulose carbamate solution is spun into a plurality of filament yarns by extruding the cellulose carbamate solution into a regeneration tank through a nozzle ...
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JP2007522361A |
The invention relates to high-strength fibres and other moulded articles comprising cellulose carbamate or cellulose which is obtained by regeneration of cellulose carbamate, and also production thereof by extrusion of a solution of cell...
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JP2007522360A |
The invention relates to a method for the production of non-woven fabrics, in which a lyotropic solution of cellulose carbamate in N-methylmorpholine-N-oxide (NMMNO) is spun into a plurality of filament yarns by means of extrusion throug...
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JP3953545B2 |
To dissolve a cellulose with high degree of polymerization, which was hitherto difficult to dissolve, in high concentration and stably by using a solvent composition comprising a LiOH/NaOH/ZnO/water system with a specified constitution. ...
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JP3948848B2 |
To provide a conductive cellulosic fiber little in the irregularity of a conductive performance (specific resistance value), having a homogeneous conductive performance, scarcely causing the deterioration and irregularity of the conducti...
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JP2007518893A5 |
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JP3944021B2 |
To provide a device for guiding filamentous form capable of stably producing tow bands or tows of high uniformity and quality while reducing yarn breakage frequency. The device for guiding a filamentous form works as follows. A dope cont...
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JP3943192B2 |
To provide a method for producing a cellulosic knitted or woven fabric having chinchilla feeling by a specific solvent method. A cellulose raw material is dissolved in an amine oxide-based solvent, e.g. N-methylmorpholine-N-oxide. When d...
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JP2007169504A |
To obtain a cellulose fatty acid ester composition that keeps excellent mechanical properties and color development even after high-temperature dyeing and is suitable for combined filament especially with polyester filament, combined kni...
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JP2007169855A |
To provide a thermoplastic cellulose fiber excellent in melt spinning property, suppressed in lowering of molecular weight and excellent also in particle dispersibility, coloring property and drape property.The thermoplastic cellulose fi...
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JP2007169853A |
To provide a cellulose ester-based twisted yarn having a reduced amount of fluff caused by twisting, and also having untwisting force enabling a fabric to be creped and to have cool feeling; to provide a method for producing the twisted ...
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JP3941836B2 |
Fiber made of cellulose formate and fiber made of cellulose regenerated from cellulose formate. These fibers exhibit high tenacity and modulus properties, combined with improved values of elongation at break and of energy at break. Their...
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JP3939496B2 |
A method of reducing the clogging of nozzles and slits and diminishing the formation of deposits in a spin bath system in a process of making viscose filamentary and film materials by using, as a spin bath additive, an amphoteric surfact...
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JP3939823B2 |
To effectively remove an harmful component in a cigarette smoke with a filter composed of a cellulose ester fiber. This filter material suitable for the filter for cigarette smoke is obtained by using the cellulose ester fine fiber havin...
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JP3937216B2 |
To provide a technology for manufacturing a cellulose molded body with a stable quality and being industrially usable even when cellulose resources except chemical celluloses are reused. A method for manufacturing the cellulose molded bo...
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JP2007516360A |
Rotary spinning processes, more particularly processes for making hydroxyl polymer-containing fibers using a rotary spinning die, hydroxyl polymer-containing fibers made by the processes and webs made with the hydroxyl polymer-containing...
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JP2007154386A |
To provide a cloth from non-wood rayon, using non-wood pulp, having antibacterial property and further having tenseness and stiffness which the conventional rayon does not possess.The non-wood rayon fiber is obtained by dissolving non-wo...
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JP3933201B2 |
The present invention relates to a process for the preparation of a mixture of cellulosic fibers and microfibers. Said process comprises:the preparation of a cellulosic solution (C);the extrusion of said solution (C) through the hole or ...
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JP2007146330A |
To provide a cellulosic fiber structural product improved in dimensional stability and having antimicrobial tendency with laundering persistence.The fiber structural product comprises synthetic fibers and cellulosic fibers based on a cel...
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JP2007146304A |
To provide a spun yarn obtained by mixing polyester staple fibers improving fibril resistance and a dangling feeling while having softness suitable for clothes uses with cellulose ester staple fibers and spinning the mixed yarns and to p...
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JP2007146331A |
To provide a cellulosic fiber structure improved in dimensional stability, hardly causing deposition of suspended pollens thereon with such pollens' tending to come off, thus excellent in pollen deposition-proofness.The cellulosic fiber ...
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JP3928523B2 |
To provide a composite fiber capable of producing a cellulose ester-based very fine filament excellent in soft feeling. This sea-island composite fiber constituted by a thermoplastic polymer dissolvable with an alkaline hot water as a se...
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