1880 results about "Textile processing" patented technology

The invention relates to medical chitosan fiber in the textile processing field and a preparing method thereof, the method for preparing spinning fluid comprises the following steps: arranging the chitosan powder in glacial acetic acid water solution and slowly dissolving by stirring under the condition of controlling temperature and time, wherein the dissolution temperature is 10-30DEG C, the dissolution time is 10-48h, and the stirring speed is 60-180r/min, wherein the chitosan powder occupies 3%-10%, dissolvent glacial acetic acid occupies 1%-5% and the other is water in the spinning raw materials, the chitosan content is more than 99.9% in chitosan fiber, and the chitosan fiber has higher molecular weight, sufficient amido, steady fiber structure, and good antibacterial property, brute force and hygiene security property.

The invention relates to a textile processing technology concerning operations after the spinning that can reduce hairiness in finished yarn, and pertains to the technical field of textile processing. The invention provides a hairiness reducer for finished yarn that de-twists and heats on the advancing channel of the yarns, which reduces hairiness of finished yarns by de-twisting, heating, softening and twisting again yarns. The hairiness reducer for finished yarn that de-twists and heats can outstandingly reduce hairiness in finished yarns, and make yarn structure more tight, efficiently avoid the forming of hairiness because the fiber in the yarn stretches out from the yarn surface in subsequent operation. In addition, the hairiness reducer for finished yarn that de-twists and heats can be used on spooling, warping even knitting machines, the reducer consumes low energy, is easy to install and use, and is good for spreading and application widely.

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 present invention provides peppermint composite cellulose fibers, which contain 1-12 wt% of a peppermint extract component and 0.5-3 wt% of peppermint odor essential oil slow-release microcapsules, wherein the dry breaking strength of the fibers is 1.0-3.0 cN/dtex, the wet breaking strength of the fibers is 0.8-1.6 cN/dtex, the dry elongation at break is 16-24%, the residual sulfur content is less than or equal to 18 mg/100 g, the antibacterial activity logarithm value is more than 2.0, and the bactericidal activity logarithm value is more than 0. The peppermint composite cellulose fiber preparation method comprises: peppermint extract adding liquid preparation, degenerated viscose glue preparing, peppermint blending viscose glue preparing, spinning and post-treating, and filament drafting and post-treating so as to obtain the peppermint composite cellulose fibers. The peppermint composite cellulose fibers of the present invention have characteristics of good wearability, textile processability, antibacterial function, bacterial inhibition function, lasting and fresh peppermint aroma, lasting odor, good textile processing performance, and significant antibacterial function.

The invention discloses a regenerated animal micropowder protein cellulose fiber and a preparation method thereof. The preparation method comprises the following steps of: adding nanoscale animal micropowder protein into a dispersant solution, stirring the mixture uniformly, filtering to obtain 20 to 35 weight percent of animal micropowder protein liquid; preparing viscose by using cellulose pulp as a raw material, adding denaturant in the dissolution step to obtain modified viscose; adding the animal micropowder protein liquid into the modified viscose in a weight ratio of animal micropowder to the finished fiber of (1-30):100, uniformly stirring to obtain animal micropowder compounding viscose; and defoaming and filtering, spinning molding by introducing a coagulating bath, and then drawing filament and performing aftertreatment to obtain the animal micropowder protein viscose fiber. The fabric made of the regenerated animal micropowder protein cellulose fiber is low in density, and is light; the hygroscopicity, the air permeability and the thermal insulating property of the fabric are further improved; the fiber textile processing and wearability are good; and the production process is pollution-free.

The invention discloses a preparation method of a yarn with a long and short fiber compound structure, belonging to the technical field of textile processing. The preparation method comprises the following steps of: feeding short fiber rove fiber strands unwound from a rove tube into a drafting zone through a yarn-guiding horn for drafting on a drafting mechanism of a ring spinning frame; feeding at least three filaments into a front jaw from the rear end of a front roller at an interval of 0.1-3mm; jointing the filaments and the rove fiber strands at the jaw part; outputting and feeding drafted rove fiber strands and the filaments from the front jaw into a twisting triangular zone; twisting the rove fiber strands and the filaments into the yarn and winding the yarn on a spun yarn bobbin; and forming compound yarns with different structures according to the space among the filaments and the different relative positions of the rove fiber strands. The invention can prepare yarns with a unique internal space structure and an external surface structure on the ring spinning frame, enhances the strength, the wear resistance and the bend resistance of the yarns, has favorable conformality of textures and can achieve the effect of wearing after washing. The invention realizes the preparation of the yarns with special structures and special functions on the traditional spinning equipment.

The invention relates to a method of improving a yarn surface structure in a positive holding rotation mode and belongs to the technical field of textile processing. According to the method, a front central positioning yarn guide hook, a holding rotation type yarn hairiness reducing device and a rear central positioning yarn guide hook are arranged on the operation path of each yarn in sequence, wherein each yarn enters the holding rotation type yarn hairiness reducing device through the front central positioning yarn guide hook; the trunk of the yarn enters the center of a yarn channel and keeps a tensioning straightening state, the surface hairiness of the yarn is subjected to a negative pressure air draft effect, the hairiness is absorbed on the outer surface of a conical housing and synchronously rotates along with the conical housing, and meanwhile, at the inlet of the yarn channel, the hairiness continues tightly winding the operating yarn trunk, and the smooth densifying treatment is realized on the yarn surface structure. The method is wide in applicable range and can be used for processing various yarns; the holding rotation type yarn hairiness reducing device is reasonable in structure and convenient to operate.

The invention discloses a fire-retardant cellulose reinforced plastic composite material and a preparation method thereof. The composite material is characterized by comprising 100 parts of thermoplastic high polymer and 20 to 50 parts of cellulosic material in part by weight, wherein at least one of the thermoplastic high polymer or the cellulosic material is a material after fire-retardant modification; the thermoplastic high polymer is polyethylene, polypropylene, polyvinyl chloride or polystyrene; and the cellulosic material is one of or a mixture of more than two of the following materials in a mass ratio: wood flour, bamboo powder, wheat straw powder, corn straw powder, bran or rice chaff of which the grain size is 50 to 400 meshes, and cellulose fibers having no textile processing value. The preparation method comprises the following steps of: firstly, performing corresponding fire-retardant modification on the thermoplastic high polymer or/and the cellulosic material; secondly, uniformly mixing the thermoplastic high polymer and the cellulosic material by using a screw extruder; thirdly, extruding the mixture out after fusion; and finally, performing compression molding forming.

The invention relates to a protein and alginate composite fiber which is a regenerated protein composite fiber containing 5-90% of natural protein and 10-95% of natural alginate. The protein and alginate composite fiber is manufactured by the technological processes of raw liquid preparation, wet spinning, crosslink finishing and the like. The protein and alginate composite fiber has good hydroscopic property, antistatic property, dyeing property and flame resistance, can be completely degraded biologically, is a real green ecological textile material, has soft and smooth hand feel, is suitable for spinning and processing underclothes, articles for bedrooms, articles for health care and the like, and is suitable for manufacturing hairline for wigs because of good flame resistance.

The invention relates to a preparation method of a textile nano-function finishing agent which is used for producing antibacterial, anti-odor, health care and skin care functional textiles and mainly contains inorganic nano-material. The preparation method comprises the following steps: dispersing the inorganic nano-material in water solution of a surfactant under stirring condition, continuously stirring to form fluid type colloid, further adding auxiliary components, and continuously uniformly stirring to prepare the nano-function finishing agent, wherein the inorganic nano-material is nano-zinc oxide, nano-titanium dioxide or mixture of nano-zinc oxide and nano-titanium dioxide, the content of the inorganic nano-material is 0.02%-35% by weight of the finishing agent, the balance is the auxiliary components, and the total amount of a prepared product is 100% by weight. The prepared nano-function finishing agent can be used for processing textile raw material through the process steps of immersing, rolling, parching and baking or direct spray-coating, thereby enabling the textile raw material to have antibacterial, anti-odor, health care and skin care functions and being further used for preparing the textiles. The method is simple in production process, reasonable in raw materials and formula and good in product performances, thereby being an ideal textile processing technology for disease prevention and health care.

The invention discloses flame-retardant viscose fiber and a preparation method thereof. The flame-retardant viscose fiber mainly comprises the following components in percentage by weight: 20 to 55 percent of polysilicic acid (based on SiO2), 0.5 to 10 percent of pyrophosphoric acid ester and 40 to 70 percent of cellulose. The preparation method comprises the following steps of: (1) adding a solution of sodium metasilicate and a solution of pyrophosphoric acid ester into a yellowed cellulose viscose solution respectively, and uniformly mixing the sodium metasilicate, the pyrophosphoric acid ester and cellulose viscose to obtain a flame-retardant spinning viscose solution; (2) performing spinning molding on the flame-retardant spinning viscose solution in coagulating bath containing sulfuric acid, zinc sulfate and sodium sulfate to obtain as-spun fiber; and (3) after-treating the as-spun fiber, namely washing, desulfurizing, applying oil and drying to obtain the flame-retardant viscose fiber. The synergistic effect of silicon and phosphorus flame retardants greatly improves the flame-retardant effect and high temperature resistance of flame-retardant fiber and the textile processing performance of fabrics.

The invention discloses a folium isatidis cellulose fiber having antiviral, antibacterial and skin-care functions and a preparation method thereof. The folium isatidis cellulose fiber contains, by weight, 2.0-8.0 parts of folium isatidis extract, 2.0-8.0 parts of sodium caseinate, 2-30 parts of porous starch and 2-50 parts of protein. The preparation method includes the following steps that 1, preparation of folium isatidis extract-sodium caseinate compound microcapsules, 2 preparation of a blended spinning stock solution and 3 spinning and post-processing. Compared with conventional viscose fibers, the influenza A virus inactivation rate of the fiber is 82.0% or above, the herpes virus inactivation rate is 84.0% or above, a bacteriostatic activity value is greater than or equal to 2.0, a bactericidal activity value is greater than or equal to 0.2, a variety of amino acids and trace elements are contained in the fiber, the fiber has good skin-care and health-care functions, the physical index of the product can meet the requirements of GB/T14463-2008 viscose staple fiber first-grade products, and the fiber has good wearability and textile processing performance.

The invention discloses a preparation method of a liquid crystal microcapsule for textile printing, and belongs to the technical field of fine chemical engineering and material science. The liquid crystal microcapsule suitable for textile printing is prepared through the emulsion polymerization. The shell structure of the obtained liquid crystal microcapsule can protect liquid crystal, improve water resistance and solvent resistance of the liquid crystal and can take participation in film forming, the color of the liquid crystal microcapsule is bright and varied, the original color property can still be kept after textile processing and treatment, and the liquid crystal microcapsule can better meet requirements of textiles and can meet the requirements of people for clothes personalization and diversity.

A system, method, and computer-readable medium encoded with software for allowing a user to configure controls of dye transfer in a dying machine or washing machine, including a user display having a user-operable selection device, a first dialog with primary color level indicators for setting a threshold to trigger a dye transfer control action, and threshold adjustment controls, and a second dialog having one or more control action enablers for enabling one or more control actions to be taken upon detection of a color reaching the threshold.

The invention discloses novel electromagnetic shielding textile fabric and its preparation method and belongs to the field of textile processing. By a magnetron sputtering technology, nano-silver, nano-copper and nanometer titania particles are respectively sputtered onto a fabric base material to form an uniform nanocomposite film so as to obtain the electromagnetic shielding fabric. The electromagnetic shielding fabric for children's garments has advantages of simple preparation technology, low cost, high binding strength of the film and the base material, uniformly and compactly distributed film, strong adhesive force and no environmental pollution, and has excellent electrical conductivity and electromagnetic shielding performance. Resistance can be less than 10 omega/cm, SE value reaches about 28dB, and more than 99% of electromagnetic wave is shielded. By means of rapid heat-conducting property of metal, the fiber fabric can have effects of regulating body temperature and making the winter warm and the summer cool. In addition, the fabric feels very soft and has excellent resistance to water washing.

The invention relates to textile processing equipment, in particular to textile fabric dyeing equipment. The to-be-solved technical problem is to provide the textile fabric dyeing equipment capable ofstirring dye, so that no sediment occurs in the dye, the fabric is dyed uniformly, the upper and lower layers of the fabric both can be dyed with the dye at same depth in a dyeing process. In order to solve the above technical problem, the invention provides the textile fabric dyeing equipment, the textile fabric dyeing equipment comprises a bottom plate, brackets, a dye box, a discharging tube,a valve, a first supporting plate, a first mounting plate, a first connecting rod, and a first sleeve wheel, a guiding rail, a guiding sleeve, a second connecting rod and the like, wherein the left and right sides of the bottom plate both are connected to the brackets, and the dye box is connected between the upper ends of the brackets. According to the textile fabric dyeing equipment, the effectsthat the dye is stirred, so that no sediment occurs in the dye, the fabric is dyed uniformly, and the upper and lower layers of the fabric both can be dyed with the dye at same depth in the dyeing process are achieved.

The invention discloses technology for processing embedded high count high-quality ramie cotton blending yarns, and relates to the technical field of textile processing. The technology comprises filament double-strand doubling technology, jute fiber roving processing technology, and spinning technology, wherein the spinning technology comprises the steps of: forming four yarn components by two filaments and two jute fiber rough yarns; using an embedded spinning technology principle and a double-strand filament cake (barrel) phase difference unwinding method; and using a double-strand filament positioning wire-leading feeding device on a traditional spinning machine to spin the high count high-quality ramie cotton blending yarns. The multi-component different-structure high count high-quality ramie cotton blending yarns can be spun on the traditional spinning machine, and the defects that the jute fiber has poor cohesive force, poor fiber length uniformity, short fiber, high yarn hairness, and difficulty in spinning high count yarns are overcome. Therefore, the composite yarns have the advantages of compact structure, excellent yarn hairness, brute force and yarn levelness, meet the requirement on high-grade shell fabrics, and expand the development space of linen textiles. The technology is applied to the field of processing all blending yarns in the spinning industry.

The invention relates to a filament ring spinning composite spinning method of nano-microscale reinforced fiber, and belongs to the technical field of textile processing. The method applies the placement of an electrostatic spinning device between a front roller and a guide roller of a ring spinner, wherein an electrostatic ejection area is formed between the electrostatic spinning nozzle of the electrostatic spinning device and a receiving surface of a receiving plate, thus making the electrostatic spinning nozzle continuously eject the nano-fiber through the guide roller to the filaments F1 and F2 located at a roller nip to form a nano-fiber web. The nano-fiber web at the nano-fiber web makes contact simultaneously with the filaments and short staple stripes inner fibers, thus increasing the attachment between fibers in the filament ring spinning composite yarns, and solving the problems that in the normal composite spinning, the filament and the short staples are prone to sliding and have low attachment. Essentially speaking the method organically combines the nano-spinning and the normal filament ring spinning composite spinning, overcomes the problem of low strength of the pure nano-fiber resultant yarn, and guarantees the fast and smooth production of the nano-microscale fiber blended yarns.

The invention provides hydrophobic modified polyester, with a structural formula, wherein R1 and R2 are respectively C2-C8 alkyl, aryl or cycloalkyl, Rf is C1-C20 fluoroalkyl, n ranges from 6 to 141, m is 42-104. The preparation method of the polyester is as follows: mixing of dibasic acid, dibasic alcohol and a catalyst or mixing of dibasic ester, dibasic alcohol and a catalyst or mixing of oligomer of dibasic acid and dibasic alcohol, dibasic alcohol and a catalyst, and polyreaction under the temperature of 140-300 DEG C and the vacuum degree of 5-150Pa until the expected degree of polymerization is realized, thereby obtaining the hydrophobic modified polyester. The modified polyester has low surface energy and excellent hydrophobic properties, and is suitable for both spinning and textile processing.