4165results about "Dyeing process" patented technology

An ink jet textile printing method according to one embodiment of the present disclosure includes a reaction solution attaching step of attaching a reaction solution containing an aggregating agent that aggregates components in an ink, and water to a fabric using an ink jet method, a transparent ink attaching step of attaching a transparent ink composition containing anionic resin particles and water to a fabric using the ink jet method, and a colored ink attaching step of attaching a colored ink composition containing a pigment, resin particles, and water onto a region, to which the transparent ink composition is attached, using the ink jet method, in which the reaction solution attaching step and the transparent ink attaching step include Step 1, and in Step 1, a range of a minimum value of a total attachment amount of the reaction solution and the transparent ink composition per unit area / per unit time is 34 mg / (s·inch2) or more, Step 1: applying the reaction solution and the transparent ink composition to the same region in the fabric in a single scanning of an ink jet head.

The invention discloses a plant leaf imitating hydrogel composite material and a preparation method thereof, and belongs to the field of bionic composite materials. The preparation method comprises the following steps: firstly, preparing printing paste by compounding a coloring agent, printing a fabric to obtain a green fabric capable of simulating spectral characteristics of green peaks and red edges of plant leaves, and simulating fence tissues and skeletons in a leaf structure by using the green fabric; then taking a biological material polyvinyl alcohol (PVA) as a base material, adding a monomer with strong hygroscopicity, a cross-linking agent and an initiator, and blending to prepare a hydrogel prepolymer solution; and finally, pouring the hydrogel prepolymer solution into a mold containing the green fabric for copolymerizing, so that hydrogel is directly formed on the surface of the fabric and in pores, and the plant leaf imitating hydrogel composite material is obtained. The material gets rid of dependence on moisture absorption salt, and has the advantages of stable water absorption and simulation effects, good durability and the like.

The invention belongs to the technical field of textile dyeing methods, and particularly relates to a tension-free anti-fibrillation dyeing method for lyocell blended yarn. The tension-free fibrillating-resistant dyeing method of the lyocell blended yarn comprises the following steps: preparing a bobbin-free loose yarn bundle, namely loosely winding lyocell pure spinning or blended yarn into tension-free yarn bundles of which the weight is 0.5-1.5 kg by adopting an integrated chuck bobbin, and meanwhile, wrapping the tension-free yarn bundles with knitted sock legs; according to the tension-free loose yarn bundle filling, a cross-shaped lifting chain is matched with a yarn bundle grate, staggered filling shaped like a Chinese character'pin 'is achieved, and the loading rate ranges from 90% to 120%. The tension-free one-bath dyeing / cross-linking comprises the following steps: pre-treating the filled tension-free loose yarn bundle, performing dyeing and cross-linking through a one-bath two-step method, and finally performing soaping, hot water washing, color fixation / softening one-bath treatment and radio frequency drying. According to the tension-free antifibrillating dyeing method for the lyocell blended yarn, dyeing is uniform, the color difference is small, and the percent of pass is increased.

The invention discloses a dyeing method of an ornamental blue dye, and relates to the dyeing method of the ornamental blue dye, through combination of plasma treatment and boiling-off, fiber impurity diseases can be effectively removed, the surface activity is enhanced, the adsorption uniformity and permeability of the dye are improved, and tiny pits exist on the fiber surface subjected to plasma treatment, so that the dyeing quality is improved. Compared with the prior art, the method has the advantages that when the dye is dyed, the molecular structure is changed, the roughness is higher, the dip dyeing firmness of the dye is improved, and the fiber damage can be reduced and the dye utilization rate can be improved on the premise of ensuring the dyeing effect by optimizing the components of the ornamental blue dyeing solution and the pretreatment solution. Besides, by means of segmented treatment in the dyeing process, dye can be promoted to fully permeate into the fibers, dyeing defects are reduced, the dyeing firmness is improved, finally, microwave is used for assisting color fixation, bonding of the dye and the fibers is further increased, the color fixation time is shortened, and meanwhile the coloring firmness is obviously improved.

The invention relates to the technical field of chemical synthesis of dyes, in particular to a 5, 5 '-disubstituted amino-3, 3'-dipyridyl derivative as well as a preparation method and application of the 5, 5 '-disubstituted amino-3, 3'-dipyridyl derivative. According to the 5, 5 '-disubstituted amino-3, 3'-dipyridyl derivative and the preparation method thereof, the ornamental blue is used as a parent body for derivatization reaction, different structures are introduced to amino groups, the 5, 5 '-disubstituted amino-3, 3'-dipyridyl derivative is obtained and can be used as a dye, and the dye has relatively high color development intensity, bright color, deep dyeing and comprehensive color fastness. The preparation method of the 5, 5 '-disubstituted amino-3, 3'-dipyridyl derivative is continuous in process step, high in controllability, large in treatment capacity and suitable for large-scale industrial production, the 5, 5 '-disubstituted amino-3, 3'-dipyridyl derivative is applied to fabric dyeing, and the fabric has the advantages of washing resistance, acid resistance, sublimation resistance, wet friction resistance and the like.

The invention relates to the technical field of data processing, in particular to a liquid disperse dye for polyester fabrics and a use method thereof, and the dye comprises an azo or anthraquinone disperse dye main agent subjected to superfine grinding, a nonionic and anionic compound dispersant system, a fiber plasticizer and a stabilizer. According to the preparation method, molecular dynamics simulation and mesoscale dissipative particle dynamics simulation are combined, the synergistic effect of a dispersant adsorption configuration and double electric layer potential is quantified, and a nonlinear association rule of dynamic particle size control and dispersion stability is established; a multi-physics field coupling model is adopted to integrate fiber humidity, temperature gradient and pressure distribution parameters, and cross-scale collaborative optimization of microscopic interface action and macroscopic process parameters is achieved. According to the method, repetitive experiment iteration is replaced by digital design, the formula development period is remarkably shortened, the dyeing uniformity and the batch-to-batch reproducibility are improved, and the method is suitable for continuous dyeing production of high-density and superfine polyester fabrics.

To provide: an ink having good storage stability and high light resistance; an ink having high optical density and excellent color development stability during heat pressing; and a thermal transfer recording sheet in which fading due to mixing of two different yellow colorants used in a yellow colorant layer of the thermal transfer recording sheet is suppressed.SOLUTION: An ink comprises a medium and carrier particles dyed with a compound represented by general formula (1) and a compound represented by general formula (2). An ink comprises an aqueous medium, a dispersant, a compound represented by general formula (1), and a compound represented by general formula (2). A thermal transfer recording sheet has a yellow colorant layer containing a compound represented by general formula (1) and a compound represented by general formula (2).SELECTED DRAWING: None

The invention belongs to the technical field of textile dyeing, and particularly relates to a yarn zero-chromatic-aberration star cage dyeing device and a dyeing process adopting the same. Comprising a dyeing machine main cylinder, a star cage dyeing device is detachably arranged in the dyeing machine main cylinder, the star cage dyeing device comprises a star cage cover, a star cage yarn bundle frame base is arranged at the bottom of the star cage cover, a star pipe is vertically arranged in the star cage cover, the star pipe penetrates through the star cage yarn bundle frame base to be correspondingly connected with the upper end of a circulation pipeline below the dyeing machine main cylinder, and a yarn bundle grate is arranged in the star cage cover. The yarn beam grate penetrates through the star tube and is arranged on the star cage yarn beam frame seat, a center rod is arranged at the top of the star tube, and the center rod is connected with a compression sealing device; the circulating pipeline is connected with the heater, the circulating pump and the motor; and the dyeing machine main cylinder is connected with the circulating pump through a liquid outlet pipe. According to the method, the thinking inertia of cheese dyeing in the industry is broken through, bobbin-free yarn bundle dyeing is adopted, the effect of no color difference of the yarn is achieved under the condition that sufficient color brightness and depth are guaranteed, production operation is easy, the dyeing efficiency is high, and the first-pass yield of dyeing is high.

The invention shows a lyocell fiber containing a matting agent whereby the matting agent comprises between 2 wt.-% and 5 wt.-% BaSO4 and less than 1 wt.-% TiO2, with respect to fiber weight, whereby the matting agent is incorporated in the fiber matrix in the form of particulates. The invention further concerns the use of said fiber for the production of a textile fabric and a textile fabric containing said fibers.

The invention relates to nylon resin with excellent dyeing performance and a preparation process thereof, through adjustment of copolymerization composition and polymerization process parameters, a long-chain nylon fiber prepared from the nylon resin is dyed at a relatively low temperature and then is subjected to cold crystallization color fixation at a relatively high temperature, so that the long-chain nylon fiber with excellent dyeing performance is obtained.

To provide a fiber structure suitable for a wear for healthcare and nursing care workers in which inferior light resistance and heat resistance which are intrinsic to cationic dyeable polyester fiber dyed with a cationic dye are simultaneously overcome, and a method for manufacturing the fiber structure.SOLUTION: A fiber structure containing cationic dyeable polyester fiber dyed with a cationic dye contains a benzotriazole-based compound by 0.50 mass% to 3.50 mass% based on the mass of the fiber structure, and contains a zinc pyrithione-based compound by 0.05 mass% to 0.20 mass% based on the mass of the fiber structure.SELECTED DRAWING: None

The invention provides a substituted amino bipyridine derivative as well as a preparation method and application thereof, the structure of the substituted amino bipyridine derivative is as shown in formula I. In the formula, R1, R2, R3 and R4 are independently selected from any one of H, C1-C6 alkyl, C2-C6 alkenyl, C2-C20 alkynyl, C3-C6 cycloalkyl, C5-C20 aryl or C5-C20 heterocyclic radical; when R1, R2, R3 and R4 are not methyl, no more than one of R1, R2, R3 and R4 is H; and when any one of R1, R2, R3 and R4 is methyl, the rest groups are independently selected from H or methyl. When the substituted amino dipyridyl derivative provided by the invention is used as a blue dye, the dyed blue dye is bright in color, deep in dyeing and comprehensive in dyeing fastness; the preparation process is simple, convenient to purify, safe, simple, convenient and energy-saving, the product quality is stable, the reproducibility is good, the yield is high, and the method is suitable for industrial production.

The invention belongs to the technical field of textile auxiliaries, and particularly discloses a multifunctional polyester type high-temperature leveling agent and a preparation method thereof.The leveling agent is prepared from, by mass, 1.5-2.5 parts of ester exchange catalyst, 5-25 parts of polyhydric alcohol, 0.5-1.5 parts of esterification catalyst, 3-40 parts of fatty acid, 15-30 parts of solvent, 20-40 parts of hydrophilic polyether chain segment and 20-40 parts of benzene-containing polyester chain segment. According to the multifunctional polyester type high-temperature leveling agent and the preparation method thereof, the prepared leveling agent has the effects of dispersing and solubilizing a dye, preventing a fabric from being scratched in the washing process, performing hydrophilic soft modification on the surface and the like, and due to the excellent dispersion and solubilization stability of the leveling agent in the full-temperature section, the heating rate can be effectively increased; the production speed is increased, wrinkles and scratches caused in the rapid temperature rising process of the fabric can be effectively prevented, and meanwhile the fabric is endowed with good hydrophilic and soft performance.

To provide a pretreatment liquid with which it is possible to obtain a printed matter excellent in ink bleeding prevention and color development even by wet-on-wet system.SOLUTION: A pretreatment liquid includes: a high-boiling point solvent whose boiling point is 101°C or above; a low-boiling point solvent whose boiling point is 50-95°C; a coagulant, and water. A content of the low-boiling point solvent whose boiling point is 50-95°C is 10-20 mass% with respect to a total amount of the pretreatment liquid.SELECTED DRAWING: None

The invention discloses a wool fiber dyeing method based on an electrostatic spraying technology, and belongs to the field of spinning. The method comprises the following steps: firstly, preparing electrostatic dye liquor containing acid dye; then, the wool fabric is subjected to wetting pretreatment with water; fixing the pretreated wool fabric on a collecting device, and uniformly spraying the dye liquor onto the wool fabric through an electrostatic spraying technology; and finally, carrying out color fixation treatment through open-width steaming to obtain the wool fiber material dyed by the acid dye. The dyeing method greatly reduces the use of water resources and dyeing assistants, greatly reduces the generation of printing and dyeing wastewater, is a green and environment-friendly wool fiber dyeing technology, and has huge application potential in the textile printing and dyeing industry.

The invention belongs to the technical field of textile, and relates to an efficient antibacterial fabric for preparing underwear and a dyeing and finishing method and application thereof.The provided antibacterial fabric is weft-knitted bird eye double-faced knitted fabric and is composed of polyester, cotton and modal fibers, the surface density is 180 g / m, surface yarn of the antibacterial fabric is hollow polyester fibers with special-shaped sections, and the surface yarn of the antibacterial fabric is hollow polyester fibers with special-shaped sections. The lining yarn is formed by weaving dacron and blended yarn according to the proportion of 2: 1. According to the method, dyeing and finishing of the antibacterial fabric, fabric weaving and ergonomic sewing are combined, the fabric which has efficient antibacterial performance, good moisture permeability and ultraviolet-proof performance and high color fastness is obtained, and the prepared antibacterial clothes are high in quick-drying performance, comfortable to wear and high in environmental adaptability.

The invention relates to the field of school uniform fabric production, in particular to a preparation method of an environment-friendly quick-drying school uniform fabric, which comprises the following preparation steps: S1: material selection, S2: fiber functionalization treatment, S21: plasma surface modification, S22: enzymatic polishing, S3: blended yarn preparation and fabric weaving, S4: fabric dyeing, S5: multifunctional composite finishing, S51: spraying of a waterborne polyurethane coating, S52: ozone washing water softening, s6, carrying out post-treatment; the regenerated polyester, the organic cotton and other raw materials are adopted, the regenerated polyester is made of recycled PET plastic bottles and is environmentally friendly and economical, polar groups on the surface of the regenerated polyester are activated through plasma surface modification, the hygroscopicity is greatly improved, the quick-drying performance is enhanced, and by means of a unique double-layer honeycomb mesh structure and a double-strand yarn optimization treatment mode, the moisture absorption performance is greatly improved. A multidirectional moisture guiding channel is formed, and the moisture evaporation rate is increased, so that the prepared school uniform fabric is environment-friendly, durable and comfortable while maintaining high-breathability and quick-drying performance.

The invention discloses a yellow reduction dyeing agent, a dyeing solution and a preparation method and application thereof, and relates to the technical field of dyeing and finishing. According to the yellow reduction dyeing agent provided by the invention, the 5-hydroxy-3-aminopyridine-2, 6-(1H, 3H)-diketone is adopted as a reduction dye, and the sodium sulfite is independently used as a reducing agent for reduction dyeing, so that the obtained dye leuco body is proper in dyeing capacity, and a dyed fabric can show excellent light brittle damage resistance. The fabric dyed by the dyeing agent has similar breaking strength before and after dyeing and even is slightly improved after dyeing and illumination, meanwhile, the color depth K / S of the fabric dyed by the dyeing agent reaches 3.2 or above, the dry and wet rubbing color fastness can reach level 4 or above, and the color fastness to illumination reaches level 6 or above.

The invention discloses a washable easily-colored wool fabric treatment process, belongs to the technical field of wool fabric processing, and aims to solve the technical problem that the dyeing degree, the anti-felting performance and the color fastness of wool fabrics in the prior art need to be further improved. The method includes the following steps that disulfide bonds of wool fibers are opened through L-cysteine, the washable and easy-to-color wool fabric is obtained, the pretreated wool fibers prepared through the method are grafted with methoxy polyethylene glycol methacrylate under catalysis of hydrogen peroxide and horse radish peroxidase, modified wool fibers are obtained, and the washable and easy-to-color wool fabric is obtained. After the modified wool fibers are woven into the wool fabric, the wool fabric is respectively subjected to padding modification by using the modified dye solution and the finishing liquid, so that the degree of dyeing, the anti-felting performance and the color fastness of the wool fabric are improved.

The invention discloses ink with high dye utilization rate for inkjet printing and a preparation method of the ink. The ink is prepared from the following components in percentage by mass: 1.7-3.7% of a cationic auxiliary agent; 3.5%-3.8% of a reactive dye; 22.9% to 28.5% of a viscosity modifier; 0.4%-0.7% of a surfactant; and the balance of deionized water. The method effectively solves the problems of long treatment flow, high consumption of chemicals and energy sources and large discharge amount of colored wastewater caused by low utilization rate of the reactive dye; the dye utilization rate reaches 98.5% or above, and the ink-jet printing ink can be widely applied to ink-jet printing of cellulose fiber fabrics such as cotton, hemp and lyocell; the fabric does not need to be subjected to pretreatment and water washing treatment; and the preparation method is simple, the treatment process is short, the ink stability is good, and the ink can be used in a high-speed printing mode with the injection frequency of 30 KHz.

The invention discloses a multifunctional printing and dyeing dye and application thereof in outdoor clothes, and belongs to the technical field of nylon printing and dyeing, the multifunctional printing and dyeing dye comprises 1-3% (o.w.f) of an acid dye, 1.5-3.5 g / L of a dyeing auxiliary agent, and 0.6-1 g / L of an auxiliary agent cross-linking agent; the dyeing auxiliary agent is a core-crosslinked star-shaped polymer prepared by an arm-first method; dyeing can be changed into color fixation by adjusting the pH value and the bath ratio of the dye bath without additionally preparing a color fixation solution, so that the additional water consumption required by color fixation is reduced; the adopted dyeing auxiliary is a core cross-linked star-shaped polymer prepared by an arm method, and the ultraviolet light absorber is coated in a core, so that the light stability and washability of the ultraviolet light absorber are improved, the mobility is reduced, and the problem of sensitive skin stimulation caused by long-term contact with human skin after the ultraviolet light absorber is migrated to the surface of the fabric is prevented.

The invention relates to the technical field of cool fabric preparation, in particular to a waterproof and sun-proof twill tatting superfine cool fabric and a preparation process, the waterproof and sun-proof twill tatting superfine cool fabric is composed of a warp and weft twill tatting blank, a waterproof coating covering the blank, and a cool finishing agent sprayed and shaped on the surface of the waterproof coating; through coating of the waterproof agent and the cross-linking agent and special drying treatment, the fabric has excellent waterproof performance, and water permeation is effectively blocked; in the preparation process of the fabric, sun protection is provided through padding treatment, and the passing rate of ultraviolet rays is reduced; the twill tatting structure is combined with specific drying, baking and calendaring treatment, so that the structural stability and wear resistance of the fabric are enhanced, and the air permeability of the fabric is ensured while the waterproof effect of the fabric is not influenced; due to the use of the cool-feeling finishing agent and the fine shaping treatment, the soft and comfortable hand feeling of the fabric is ensured, and the fabric can have a good temperature adjusting effect.

The present disclosure provides an aqueous adhesive composition, a belt for fabric conveyance, an inkjet textile printing device, and a method for producing the aqueous adhesive composition, which have excellent fabric conveyance properties and can reduce environmental burden and improve working environment. The present invention relates to an aqueous adhesive composition for forming an adhesive layer on a fabric conveying belt of an inkjet textile printing device, the aqueous adhesive composition containing an acrylic resin, and the adhesive force of the adhesive layer formed from the aqueous adhesive composition being 0.1 N / 25 mm or more and 10 N / 25 mm or less.

To provide an inkjet printing method exhibiting excellent texture and reduced stickiness.SOLUTION: This inkjet printing method comprises the steps for discharging onto a fabric an ink composition containing an anionic resin and a silicone-acrylic resin having a film elongation of 600% to 1600% to form a wet image, and irradiating the formed wet image with infrared rays to form a dried image.SELECTED DRAWING: Figure 2

The application discloses a kind of imitated plant leaf hydrogel composite material and preparation method thereof, belong to bionic composite material field.The application first by colorant compounding preparation printing paste, and fabric is printed, obtain the green fabric that can realize to plant leaf " green peak " and " red edge " spectral characteristic simulation, and with green fabric simulation leaf structure in fence organization and skeleton;Then with biomaterial polyvinyl alcohol (PVA) as base material, join with strong hygroscopic monomer and crosslinking agent, initiator blend preparation hydrogel prepolymer solution;Finally, hydrogel prepolymer solution is poured into the mold containing green fabric and copolymerization, it directly forms hydrogel in fabric surface and pore interior, obtains imitated plant leaf hydrogel composite material.The material gets rid of the dependence on hygroscopic salt, has water absorption and simulation effect stable, durability is good and the like advantages.

The invention discloses a heat-resistant bionic structural color printed fabric and a preparation method thereof.The preparation method of the fabric comprises the following steps that S1, sodium bicarbonate and polyethane pyrrolidone are dissolved in deionized water, and then glycidyl methacrylate, styrene, divinylbenzene, a composite surfactant and an initiator are sequentially added for a polymerization reaction; after the reaction, cooling and filtering are performed to prepare the P (St-DVB-GMA) nano microspheres; s2, dispersing the P (St-DVB-GMA) nano-microspheres prepared in the S1 into deionized water, then treating dispersion liquid onto a fabric with a mask on the surface by adopting an atomization deposition or spraying mode, and drying to obtain the heat-resistant bionic structural color printed fabric. Structural color microspheres with a heat-resistant effect are synthesized, and a bright printing effect can be formed at room temperature.

The invention relates to the technical field of finishing and dyeing of fabrics, in particular to a dyeing method of a nylon-spandex fabric with high spandex content. The dyeing method comprises the following steps: sequentially carrying out an open-width oil removal process, an in-cylinder oil removal process, a presetting process, a pre-dyeing oil removal process, a hot water washing process and a dyeing process. According to the dyeing method, the textile oiling agent on the brocade spandex fabric is fully removed through three times of oil removal, and the problem of oil bloom is avoided. Wherein in the open-width oil removal process, a textile oil agent on a fabric is preliminarily removed, and a cloth cover is flat and shrunk to avoid cloth cover creases caused by excessive shrinkage in the in-cylinder oil removal process; and the spinning oil agent is thoroughly removed through the procedures of oil removal in the cylinder and oil removal before dyeing.

The invention belongs to the technical field of textile printing and dyeing, relates to an efficient reactive dye ink-jet dyeing process and application, and aims to solve the problems that the traditional dyeing proofing process is tedious, the color difference of front and back surfaces of ink-jet dyeing is large, and the dye utilization rate is low. The process comprises the following steps: firstly, padding a fabric in an aqueous solution until the pick-up rate is controlled to be 60-120%, and carrying out ink-jet printing on reactive dye ink (the viscosity is 3-10 mPa.s and the surface tension is 20-50 mN / m) in a wet fiber swelling state; after printing, a 1%-10% alkali solution is immediately padded to promote permeation of the dye; and then pre-drying at 60-70 DEG C, steaming with saturated steam at 100-102 DEG C for 5-15 minutes, and washing with water to complete color fixation. According to the technology, the K / S ratio of the front face and the back face of the dyed fabric is larger than or equal to 0.95, the color fastness of the dry friction level 4-5 or above, the color fastness of the wet friction level 4-5 and the color fastness of the soaping level 4-5 are achieved, and the technology is suitable for green efficient dyeing of small-batch multi-variety fabric.

The invention relates to the technical field of chemical synthesis of dyes, and particularly discloses a 5, 5 '-disubstituted hydroxyl-3, 3'-dipyridyl derivative as well as a preparation method and application of the 5, 5 '-disubstituted hydroxyl-3, 3'-dipyridyl derivative. The structure of the 5, 5 '-disubstituted hydroxy-3, 3'-dipyridyl derivative is as shown in a formula (I) in the specification, the 5, 5 '-disubstituted hydroxy-3, 3'-dipyridyl derivative obtained by the preparation method has the advantages of high yield, stable structure, high temperature resistance and higher color development intensity, can be used as a dye to be applied to dyeing of fabrics made of different materials, and has the advantages of safe, simple and energy-saving preparation process, stable product quality and good reproducibility.