Abstract: A modified regenerated cellulose fiber which enables dyeing in different colors by combining the modified regenerated cellulose fiber and other fibers by means of mixed spinning or union knitting/weaving. The modified regenerated cellulose fiber can be obtained by adding 0.5–3.0% by weight of a grounder of naphthol dye to the regenerated cellulose fiber in a matrix of the regenerated cellulose fiber, the grounder being selected from the group having a medium to high level of affinity to the regenerated cellulose fiber. A variety of dyed fiber products can be obtained by treating yarn or knitted/woven fabric made of the above modified regenerated cellulose fiber with a developer of naphthol dye.

Abstract: The present invention simplifies the complicated dyeing process using a naphthol dye, and provides a modified regenerated cellulose fiber which enables dyeing in different colors by combining the modified regenerated cellulose fiber and other fibers by means of mixed spinning or union knitting/weaving. A modified regenerated cellulose fiber can be obtained by containing 0.5-3.0% by weight of a grounder of naphthol dye to the regenerated cellulose fiber in a matrix consisting of the regenerated cellulose fiber, wherein the grounder is selected from the group having a medium to high level of affinity to the regenerated cellulose fiber. A variety of dyed fiber products can be obtained by treating yarn or knitted/woven fabric made of the above modified regenerated cellulose fiber with a developer of naphthol dye.

Abstract: The present invention simplifies the complicated dyeing process using a naphthol dye, and provides a modified regenerated cellulose fiber which enables dyeing in different colors by combining the modified regenerated cellulose fiber and other fibers by means of mixed spinning or union knitting/weaving. A modified regenerated cellulose fiber can be obtained by containing 0.5-3.0% by weight of a grounder of naphthol dye to the regenerated cellulose fiber in a matrix consisting of the regenerated cellulose fiber, wherein the grounder is selected from the group having a medium to high level of affinity to the regenerated cellulose fiber. A variety of dyed fiber products can be obtained by treating yarn or knitted/woven fabric made of the above modified regenerated cellulose fiber with a developer of naphthol dye.

Abstract: The present invention aims at providing a functionalized fiber material having a skin care effect enabling to sustainedly discharge a skin care component by an action of a fat and oil component such as sebum present on a skin surface of the human body, without losing a feeling or moisture absorbing and releasing properties which are possessed by a fiber. The functionalized fiber material is obtained by treating a fiber material comprising natural fiber, regenerated fiber, synthetic fiber and mixed fibers thereof with a treatment liquid in which &agr;-tocopherol acetate is emulsified in water with a surfactant, and &agr;-tocopherol acetate is stuck in an amount of 0.3 to 45.0 mg. A concentration of &agr;-tocopherol acetate in the emulsified liquid for the fiber treatment is preferably 0.5 to 100.0 g/l.

Abstract: The present invention simplifies the complicated dyeing process using a naphthol dye, and provides a modified regenerated cellulose fiber which enables dyeing in different colors by combining the modified regenerated cellulose fiber and other fibers by means of mixed spinning or union knitting/weaving.

Abstract: A method for manufacturing improved regenerated cellulose fiber, by adding a crosslinking agent having two or more reactive functional groups in a molecule to a cellulose viscose solution and mixing, then extruding the viscose solution into a coagulation and regeneration bath, followed by applying a heat treatment, or followed by contacting obtained regenerated cellulose fiber with an aqueous solution of a crosslinking agent having two or more reactive functional groups in a molecule then applying a heat treatment.

Abstract: The present invention aims at providing a functionalized fiber material having a skin care effect enabling to sustainedly discharge a skin care component by an action of a fat and oil component such as sebum present on a skin surface of the human body, without losing a feeling or moisture absorbing and releasing properties which are possessed by a fiber.

Abstract: A method for manufacturing improved regenerated cellulose fiber, by adding a crosslinking agent having two or more reactive functional groups in a molecule to a cellulose viscose solution and mixing, then extruding the viscose solution into a coagulation and regeneration bath, followed by applying a heat treatment, or followed by contacting obtained regenerated cellulose fiber with an aqueous solution of a crosslinking agent having two or more reactive functional groups in a molecule then applying a heat treatment.

Abstract: A method for dying-finishing of textile fabrics which contain modified cellulose regenerated fiber capable of dyeing with cationic dyes which contains an insoluble polymer which is obtained by cross-linking a dihydroxydiphenylsulfone-sulfonate condensate with epoxy compounds having at least two epoxy groups in the molecule, and at least one kind of fiber selected from ordinary cellulose regenerated fiber, cotton and wool, the method comprising steps ofdying of the textile fabrics containing modified cellulose regenerated fiber with a dyeing solution containing cationic dyes alone or containing the cationic dyes and dyes other than cationic dyes by one-bath dying method, concentration of the cationic dyes being decided for the modified cellulose regenerated fiber weight and concentration of the dyes other than cationic dyes being decided for the whole weight of the textile fabric,treating the dyed textile fabric sequentially with an aqueous solution of tannic acid for applying tannic acid 1.

Abstract: An enzyme immobilizing carrier is produced by dissolving low-molecular weight chitosan in an aqueous acid solution and dropping the solution into a basic solution to produce regenerated porous chitosan in particles, reacting the regenerated porous chitosan in particles with the glycidyl ether of an aliphatic polyalcohol, and reacting further the resulting chitosan with the acid halide or acid anhydride of a higher fatty acid in a polar organic solvent. An enzyme and a polyfunctional cross-linking agent are reacted with the carrier to covalently immobilize the enzyme on the carrier. In a preferred embodiment, the enzyme is lipase and the carrier is produced by introducing the glycidyl ether of an aliphatic polyalcohol at 0.01 to 0.4 mole to 1 mole of the pyranose ring residue of the chitosan and by introducing a higher fatty acid having a total carbon number of 6 to 20 at 0.05 to 1 mole to 1 mole of the pyranose ring residue of the chitosan.

Abstract: The present invention is to provide a modified cellulose regenerated fiber having a practically endurable tenacity, and being excellent in dye-affinity, and having anti-funguses and deodorizing properties. The present invention comprises preliminarily molding chitosan or acetylated chitosan into a fine particle, mixing the fine particle body with cellulose viscose prior to spinning, and spinning the mixture, at the inclusion regenerated fiber.

Abstract: A process for producing granular porous chitosan of extremely uniform particle size and having uniform fine pores on the spherical surface and cut cross sectional face. The process comprises dissolving a low molecular weight chitosan into an aqueous acidic solution, pouring the solution into a basic solution and thereby coagulating the product to precipitate porous chitosan.

Abstract: The present invention is to provide a modified cellulose regenerated fiber having a practically endurable tenacity, and being excellent in dye-affinity, and having anti-funguses and deodorizing properties. The present invention comprises preliminarily molding chitosan or acetylated chitosan into a fine particle, mixing the fine particle body with cellulose viscose prior to spinning, and spinning the mixture, at the inclusion regenerated fiber.