30results about How to "Improve wet modulus" patented technology

The invention provides a preparation method for a viscose containing wormwood extract. The preparation method comprises the following steps: preparing an antibacterial agent solution, adding a dispersing agent, adding sodium carboxymethylcellulose, blending with a spinning solution, spinning, and post-treating. The prepared viscose has the advantages that the dyeing effect is good, the antibacterial ability is high, the inhibition ratio to staphylococcus aureus is 99.1-99.3%, the inhibition ratio to escherichia coli is 98.9-99.3%, and the inhibition ratio to candida albicans is 93.6-95.7%. The prepared viscose has high strength and wet modulus; the dry strength is 6.21-6.34cN/dtex, the wet strength is 4.71-4.94cN/dtex, the elongation at break is 23.4-25.5%, and the wet modulus is 0.63-0.65cN/dtex.

The invention discloses a multifunctional compound cellulose fiber and a preparation method thereof. By adoption of an advanced microcapsule preparation technique and modification of a cellulose fiber solution preparation process, a cellulose fiber is modified through polyvinyl alcohol, herba centellae, proteins and vitamins to obtain the multifunctional compound cellulose fiber by means of a cellulose fiber wet spinning process. The multifunctional compound cellulose fiber prepared according to the method is capable of meeting people's demands on moisture absorption, bacteria resistance, skin caring and the like of fibers, and a product is excellent in physical and mechanical performance and stable functionally and has a promising development prospect.

A method for spinning blended yarns with Outlast air-conditioning fibers/Newdal fibers is characterized by configuring the ingredients Outlast air-conditioning fibers/Newdal fibers according to the weight ratio of 95-85:5-15; opening the Outlast air-conditioning fibers and the Newdal fibers respectively and spraying antistatic agents; processing the Outlast air-conditioning fibers in a plucker, a blender, a card wire opener, a double-hopper feeder, a lap machine, a carding machine and a pre-drawing machine, and processing the Newdal fibers in the plucker, the blender and opener, a multi-bin blender, a sawblade beater type opener, the double-hopper feeder, the lap machine, the carding machine, the pre-drawing machine, a silver lap machine and a comber; and finally feeding the processed Outlast air-conditioning fibers and Newdal fibers into a drawing machine, a roving frame, a spinning frame and a bobbin winder. The method retains the temperature regulation characteristic of the Outlast air-conditioning fibers and higher strength and wet modulus, excellent breaking elongation and unique high crimp property of the Newdal fibers and ensures the products to have better spinning processibility.

A solvent spun bamboo fiber with a high wet modulus and a producing method thereof are disclosed. The producing method includes: activating by adding a bamboo pulp into de-ionized water, adjusting the pH value, adding cellulase and adjusting the pH value by adding alkali; squeezing by vacuum dehydration; pre-dissolving by adding an aqueous solution containing 50-88% by mass of N-methylmorpholine-N-oxide; then dissolving by putting the above pre-dissolved mixture into a dissolver, heating, vacuumizing, dehydrating, dissolving, homogenizing and defoaming; spinning by spraying through a spinneret and forming a bamboo fiber by dry-wet spinning; water washing; bleaching; oiling; and drying. The present method is simple to operate, free of industrial pollution, low energy consuming, and highly safe. The bamboo fiber produced by the present method not only keeps the natural physical and chemical properties of bamboo fiber, but also has a high wet modulus without harmful chemical residues.

The invention relates to the field of textiles, in particular to a solvent method based high-wet-modulus bamboo, wood and cotton mixed fiber and a preparation method thereof. The preparation method includes steps: activating, adding bamboo, wood and cotton mixed pulp into deionized water, adjusting a pH value, adding cellulase for activating, and adding alkali for adjusting the pH value; pressing;pre-dissolving, and adding water solution containing N-methylmorpholine-N-oxide in mass percent of 50-88%; dissolving, heating, vacuumizing, dewatering, dissolving, homogenizing and de-aerating; filtering; spinning, and adopting a dry-wet method for spinning forming; washing; bleaching; oiling; drying. The preparation method is simple in operation, free of industrial pollution, low in energy consumption, high in safety and suitable for large-scale industrial continuous production of solvent method based bamboo, wood and cotton mixed fibers. The bamboo, wood and cotton mixed fiber prepared according to the method keeps natural physical and chemical performances of bamboo, wood and cotton fibers and is free of chemical residues and high in wet modulus.

The invention discloses solvent-process high wet modulus chitin fibers and a preparation method thereof, and belongs to the field of textiles. The preparation method comprises the steps: (A) activating, to be specific, activating pulp dregs by cellulase to obtain paste; (B) squeezing, to be specific, squeezing and dehydrating the paste to obtain water-containing cellulose; (C) pre-dissolving, to be specific, mixing aqueous cellulose, N-methylmorpholine-N-oxide solution and a chitin solution to obtain a pre-dissolved pulp; (D) dissolving, to be specific, dissolving the pre-dissolved pulp in a dissolving machine to obtain a pulp; and (E) spinning, to be specific, performing spinning on the pulp to obtain the solvent-process high wet modulus chitin fibers. The preparation method has the advantages of good operation simplicity, zero industrial pollution to production, low energy consumption, high safety and suitability for large-scale industrial continuous production. The prepared solvent-process high wet modulus chitin fibers have high wet modulus, contain protein components, and are good in breathability and air permeability, comfortable to wear, soft to touch and favorable for continuous dyeing, are convenient to print and dye and are good for producing high-end fabrics.

The invention discloses a Rio bamboo hollow yarn. The Rio bamboo hollow yarn is composed of a roving piled yarn and a spinning piled yarn, wherein the roving piled yarn is formed by blending Rio bamboo fibers, wools and rabbit hairs; the spinning piled yarn is formed by spinning the wools; and the spinning piled yarn surrounds the surface of the roving piled yarn and is twisted together according to a Z-direction spiral shape. The Rio bamboo hollow yarn provided by the invention has the advantages of environmental protection, antibacterial, fluffy hand feeling and strong stereoscopic impression.

The invention discloses a solvent method high-wet-modulus protein fiber and a preparation method thereof, and belongs to the field of textile. The method includes the steps: (A) activation, to be specific, performing cellulase activation on pulp to obtain slush pulp; (B) squeezing, to be specific, squeezing and dewatering the slush pulp to obtain aqueous cellulose; (C) pre-dissolving, to be specific, mixing the aqueous cellulose, N-methylmorpholine-N-oxide water solution and protein mixed solution to obtain pre-dissolving slurry; (D) dissolving, to be specific, dissolving the pre-dissolving slurry in a dissolving machine to obtain slurry; (E) spinning, to be specific, spinning the slurry to obtain the solvent method high-wet-modulus protein fiber. The method is simple in operation, free from industrial pollution in production, low in energy consumption, high in safety performance and applicable to large-scale industrial continuous production. The prepared solvent method high-wet-modulus protein fiber has high wet modulus, contains protein components and is good in moisture absorption and sweat releasing properties, comfortable to wear, soft in hand feeling, beneficial to continuousdyeing, convenient to print and dye and beneficial to production of high-end fabrics.