44results about How to "Good textile processability" patented technology

A bamboo-carbon viscose fiber and its production are disclosed. It consists of bamboo pulp dregs and nano-bamboo carbon 4-30wt%, the grain size is 75-150nm, final-product fiber strength is 1.7-3.0cN/dtex, extensibility is 9-18%. It adopts viscose coagulation bath composite modifying technology, it has excellent antibacterial, far-infrared health care and deodorization functions. It has better fiber strength and spinning handling property. It's cool, refined and no environmental pollution and can be used for summer clothing production and non-woven industries.

The invention discloses phase transition temperature-adjusting cellulosic fiber prepared by a solvent method. The fiber comprises a porous material, a macromolecular phase-changing material and a substance with a far infrared absorption function, wherein mass ratio of the porous adsorption material to the substance with the far infrared absorption function to the macromolecular phase-changing material is 1-30:1-50:10-100. Melting enthalpy value of the fiber is greater than or equal to 5.5 J/g, and crystalline enthalpy value is greater than or equal to 5.3 J/g. a preparation method of the fiber comprises the following steps: preparing a composite macromolecular phase-changing porous material; preparing a spinning solution; and spinning. According to preparation of the composite macromolecular phase-changing porous material, the porous adsorption material and the substance with the far infrared absorption function are added into the molten macromolecular phase-changing material to carry out adsorption and mixing. The phase transition temperature-adjusting cellulosic fiber prepared by the method has characteristics of pollution-free production process and green and environmental-protection product. As the porous adsorption material is used to adsorb the macromolecular phase-changing material, loss during formation process is minimized, and the phase transition temperature-adjusting function of the fiber is guaranteed.

The invention belongs to the technical field of functional cellulosic fibers, and relates to a mint-extract, menthol and cool-feeling-substance combined modification additive. A preparing method of the mint-extract, menthol and cool-feeling-substance combined modification additive includes the steps that acrylonitrile monomers and menthol are added into an emulgator solution, and emulsification pretreatment dispersing is carried out to obtain a mixed emulsion solution of the menthol and acrylonitrile; the mixed emulsion solution is heated and stirred while initiators are dropwise added, microcapsules are prepared, and the microcapsules are dispersed into distilled water after washing and drying; cool feeling substances are added into a mint-extract solution, stirring and adsorption are carried out, cool-feeling-substance dispersion liquid with mint extract is obtained, the dispersing liquid is dried and ground, and cool-feeling substance powder with the mint extract is prepared; the menthol microcapsule slurry and the cool-feeling substance powder with the mint extract are mixed to be even, and the combined modification additive is prepared through the adsorption effect of the cool feeling substances and the protection effect of the microcapsules. Functional cellulosic fibers prepared with the combined modification additive have the lasting cool feeling effect and the anti-bacterial function.

The invention belongs to the technical field of functional fiber, relates to preparation and application of a tea extract oil composite modified additive, and aims to preparation of functional adhesive fiber. The preparation comprises the following steps: preparing a solid adsorbent containing a tea extract; preparing tea oil micro-capsule slurry; uniformly mixing the solid adsorbent and the tea oil micro-capsule slurry, and stirring so as to obtain a composite modified additive; preparing adhesive fiber with a tea fragrance antibacterial deodorization function, wherein preparation of the adhesive fiber comprises the following steps: preparing a commixed spinning liquid, and spinning; the prepared adhesive fiber with the tea fragrance antibacterial deodorization function comprises 1.0-11.0wt% of an adsorbent of a porous structure, 2.0-5.0wt% of a tea extract and 1.0-11.0wt% of a tea oil micro-capsule. The tea extract oil composite modified additive is stable in property, can be uniformly fused with an adhesive stock solution, and has long-lasting tea fragrance and an antibacterial deodorization function, and effective components in fiber are slightly lost in the spinning process and later treatment process.

The invention relates to a germanium viscose fiber, which is prepared from hemp pulp and nano germanium ores serving as raw materials, wherein the content of the nano germanium ores is 1 to 30 percent of the weight of the finished germanium viscose fiber product; the germanium viscose fiber is prepared by preparation of the germanium ore pulp, preparation of soluble viscose, preparation of germanium pulp, preparation of viscose spinning stock solution, spinning, post treatment and drying process; the hemp pulp and the nano germanium ores are used as the raw materials, the hemp pulp and the nano germanium ores serving as the raw materials are renewable resources, and the discarded fabrics of viscose fiber can be biologically degraded, so accumulative influence on the environment is not caused, and the environment is protected; the nano germanium has small grain diameter and is dispersed uniformly in the fiber; the prepared fiber product has high strength and good textile processing performance by adopting viscose and coagulating bath composite denaturation technology; and zinc sulfate with high pollution to the human environment is not used any more, so the harm to the environment is reduced in the fiber production process.

A polyimide fiber with kidney-shaped section and a preparation method thereof belong to the technical field of polyimide fibers. The preparation method includes: utilizing polyamide acid (PAA) solution synthesized by aromatic dianhydride and aromatic diamine to perform the wet spinning process by the aid of circular spinneret holes, adjusting spinning conditions including spinneret speed, composition, proportion and temperature of coagulating bath, the length of hydrazine and the like to obtain a PAA as-formed fiber with kidney-shaped section, then washing and drying the PAA as-formed fiber, cyclizing and drafting the same at high temperature stage by stage, and winding and the like, finally obtaining the polyimide (PI) fiber with the kidney-shaped section. The preparation method of the polyimide fiber with the kidney-shaped section has the advantages of simplicity in spinneret hole design and processing, easiness in control of spinning process, high preparation efficiency, low cost for raw materials, low energy consumption and the like and can be used for large-scale industrialized production.

The invention relates to a resin compatible type glass fiber yarn impregnation agent. The solid content of the impregnation agent accounts for 5-10% by mass of the total amount of the impregnation agent, the balance being deionized water. The solid content of the impregnation agent comprises the following components, based on the weight of the impregnation agent solid content as 100%: 50-80% of the epoxy resin emulsion, 10-25% of a non-ionic lubricant, 0-5% of a cationic lubricant, 8-20% of a silane coupling agent, and 1-6% of a pH adjusting agent. Compared with a traditional enhanced yarn impregnation agent, the impregnation agent formula has the advantage of simple composition. Mono-component epoxy resin is adopted as a film-forming agent, and two high-efficiency lubricants are combined. The impregnation agent has good compatibility with resin. With the formula, yarn strength is high. The formula also has excellent textile processing performance.

The invention provides multifunctional vegetable regenerated cellulose fibers and a preparation method thereof, belongs to the technical field of functional regenerated cellulose fibers, and can solvethe problems that an existing functional regenerated cellulose fiber is single in function or multifunctional, is poor in functionality, complex in preparation process, difficult in industrial production and the like. The multifunctional vegetable regenerated cellulose fibers comprise the following components in percentages by weight: 3.0-8.0wt% of a sweet basil extract and 1.72-5.22wt% of complex plant essential oil, wherein the complex plant essential oil comprises 0.69-2.09wt% of mint oil, 0.69-2.09wt% of folium artemisiae argyi essential oil and 0.34-1.04wt% of lavender essential oil. Thepreparation method disclosed by the invention can be applied to preparation of multifunctional vegetable regenerated cellulose fibers integrating functions of antibiosis, mosquito repelling, skin protection and the like, and is further applied to textiles prepared from the multifunctional vegetable regenerated cellulose fibers.

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.

The invention relates to improved viscose fiber containing pearl particles and a manufacturing method thereof. The fiber is reinforced, high-wet-modulus or rich and strong viscose fiber, the total amount of the fiber comprises 0.1 to 15.0 weight percents of the pearl particles, 0.2 to 6.0 weight percent of denaturant, and 79.0 to 99.7 weight percents of cellulose, the dry rupture strength of the fiber is more than or equal to 2.2 cN/dtex, and the wet rupture strength of the fiber is more than or equal to 1.2 cN/dtex. The mixture of one or more components selected from the copolymer of fatty amines, polyamines compounds, alcohol amine, polyoxyethylene and the aliphatic amine thereof, fatty acid, fatty alcohol, amide condensation compounds, ethylene oxide and propylene oxide, quaternary ammonium, pyrrolidine dithiocarbamate, dithioglycol, imidazole and derivatives thereof, is adopted as the denaturant. The manufacturing method for the fiber comprises the steps of: (1) the preparation of a viscose stock solution; (2) the preparation of slurry of the pearl particles; (3) the injection mixing of the slurry of the pearl particles and the viscose stock solution through a pre-spinning injection system; (4) spinning; and (5) post-treatment.

A preparing method of a polyethylene fine-denier moisture-conducting fiber is disclosed. The polyethylene fine-denier moisture-conductive fiber the fineness of which ranges from 22 dtex to 1776 dtex is obtained by swelling ultra-high-molecular-weight polyethylene used for fiber and having a molecular weight of 4-8 million in decalin to obtain a suspension, dissolving and shearing through a twin-screw extruder to allow polyethylene macromolecular chains to be fully untwisted to form a uniform spinning solution, spinning through a spinneret plat, removing the decalin in a silk bundle in a hot-wind circulation system, pre-stretching, performing one or more thermal stretch steps and performing one or more loosing steps. The hot-wind circulation system is a sealed heating chamber having nitrogen circulated therein. The polyethylene fine-denier moisture-conductive fiber is lighter, thinner and softer than conventional polyethylene fibers, maintains high-strength and high-modulus characters. The cross section of the fiber has an oval shape, an egg shape, a dog bone shape, a bean shape or other special shapes. The fiber is provided with micro grooves and slots at the axial direction. Moisture-conducting performance of the fiber is obviously improved than that of wet-process fibers. The fiber is obviously improved in wearability, and fabric of the fiber has moisture conducting and rapidly drying and refreshing properties.

The invention discloses a preparation method of moisture-absorbing heating fibers containing plant extracts and having an antibacterial function, which comprises the following steps: step 1, preparation of a spinning solution: mixing cellulose pulp with alpha cellulose according to a weight ratio of 1: 2, then adding 10-18% of a composite modified additive, stirring at a high speed by using a stirrer to realize blending to prepare a blended spinning solution, and standing, defoaming, and ripening for later use; and 2) spinning and forming: in which the spinning solution obtained in the first step is treated through a metering pump and a filter, the spinning speed is preset, the spinning solution is sprayed out through a spinning nozzle, enters a coagulating bath and reacts with reagents in the coagulating bath to be cured, and formed fiber bundles need to be stretched through a drafting roller firstly and then subjected to post-processing treatment. The product is fine, soft, moisture-preserving, breathable, non-irritating to skin affinity, excellent in moisture absorption and heating performance and antibacterial property, green, environment-friendly, biodegradable, free of heavy metals and harmful chemicals, safe and non-dissolving out; and the fiber has high moisture regain and high hygroscopicity.

The invention discloses a preparation method of a functional viscose fiber containing a green alga protein algae extract, and belongs to the technical field of preparation of functional regenerated cellulose. The preparation method of the functional viscose fiber comprises the following steps by taking cellulose pulp, modified rare earth, an aqueous solution of an algae extract and the like as main raw materials, firstly, carrying out in-situ loading on the algae extract by adopting the modified rare earth, then drying and grinding the rare earth adsorbed with the extract to prepare a modifiedfunctional agent, and blending the modified functional agent with a viscose stock solution, so that viscose fibers containing algae glycoprotein, trehalose and the like and having an antibacterial function are prepared through a wet spinning process.

The invention belongs to the technical field of textile materials, and particularly relates to a Taxus chinensis environment-friendly antibacterial anti-mite wadding and a preparation method thereof.The Taxus chinensis wadding provided by the invention comprises, by mass, 15-60% of Taxus chinensis viscose fibers and 40-85% of a fiber mixture, wherein the fiber mixture includes two or more of cotton fibers, composite antibacterial agent finished viscose fibers, natural mineral fibers, modal fibers, heat-melting silk polyester fibers or wool fibers. The steps of material mixing, air suction, carding, laying, hot melting, post-ironing, cooling, cutting and the like are performed to obtain the prepared Taxus chinensis wadding having multiple layers, good fluffy property, strong heat retentionproperty and good resilience, having the functions of bacteria inhibiting, mite preventing, moisture absorbing, sweat discharging, natural health care and static electricity preventing, having the characteristics of smoothness, fineness, coolness and the like, having a functional health care effect, and being beneficial to promoting sleep.

The invention provides a superfine denier yew yarn. The yarn is a blend of yew fiber and superfine denier polyester staple fiber. In part by weight, the weight ratio of the yew fiber in the yarn is 5-20%, and the weight ratio of the superfine denier polyester staple fiber in the yarn is 80-90%. The superfine denier yew yarn is obtained by blending the yew fiber and the superfine denier polyester staple fiber, and the textile machinability is good. Meanwhile, the textile made of the superfine denier yew yarn has the characteristics of smoothness, delicacy, strength, elasticity, luster and moisture absorption ability, can meet the crisp requirement of outerwear fabric, and can be used to make the outerwear fabric. Thus, the application of the yew yarn on the outerwear fabric is widened.