60results about How to "Achieve dyeing" patented technology

The invention relates to a dyeing method for multilevel-color jean yarns. The dyeing method comprises the following steps: carrying out modification treatment on yarns by adopting a cationic modifying agent; padding 1-2 paths of pigment printing paste on the treated yarns at a room temperature and drying; then carrying out continuous rolling and dyeing by indigo blue and sulfur dyestuff or overdyeing of the indigo blue and the sulfur dyestuff. The jean yarns produced by the dyeing method are bright in color and luster, good in color fastness, pure in colored light and low in room-temperature dyeing power consumption; the quantity of indigo blue dyeing grooves is reduced by priming a high-fastness pigment; a process flow is shortened, the pollution discharge is reduced and the production cost is reduced.

The present invention discloses a preparation method of a cationic organosilicon modified waterborne PUA fabric coating adhesive with a self crosslinking structure, the method is as follows:(1)using polyisocyanate and hydroxyl-terminated polysiloxane for synthesis of an-NCO-group-terminated prepolymer;(2)adding polyether or polyester glycol for reaction;(3)reacting with a cationic hydrophilic chain extender for a period of time, and further reacting with adipic dihydrazide(ADH)to obtain a hydrazine-terminated cationic waterborne polyurethane emulsion;(4)using acrylate monomers and diacetone acrylamide(DAAM)for preparing a hydrazide-group-containing polyacrylate emulsion; and(5)mixing the hydrazine-terminated cationic waterborne polyurethane emulsion and the hydrazide-group-containing polyacrylate emulsion in a certain proportion to obtain the self-crosslinking cationic organosilicon modified waterborne PUA fabric coating adhesive. The self-crosslinking cationic organosilicon modified waterborne PUA fabric coating adhesive avoids the use of a harmful crosslinking agent, has the advantages of being environmental-friendly, high in water pressure resistance, good in mechanical properties, low in cost, and dyeable and the like, and can be used for coating finishing of nylon fabrics.

A method for making the surface of natural wood material have relief effect includes such steps as smoothing the wooden surface, coating the saturated solution of 3-valence Fe salt (iron chloride, iron sulfate or iron nitrate), hot pressing at 80-140 deg.C under 0.5-4 MPa for 80-180 s, and natural cooling and drying.

The invention discloses a cotton cloth dyeing device which comprises a box. A supporting rod is fixed at each of four corners at the bottom end of the box, a box door is hinged on one side of the box,a handle is fixedly arranged on the box door, and an exhaust pipe is fixed at the top end of the box and communicated with the inside of the box. Pigment is sprayed to two sides of cloth from nozzleson a first pigment spraying box and a second pigment spraying box through a pigment supply pump, then two pigment brushing rollers are rotated through a motor, in this way, hairbrushes on the pigmentbrushing rollers can uniformly brush the pigment sprayed on the cloth to be flat, so that cloth dyeing effect is improved effectively; surplus pigment on the surface of the cloth is absorbed througha water absorbing sponge layer on a belt, so that the problem of pigment waste is solved effectively; the two sides of the cloth are dried from through holes in a first air box and a second air box through a hot air blower, so that a function of integrating dyeing with drying is realized effectively.

The invention relates to a spray-rolling type loose fiber dyeing machine, and belongs to the technical field of loose fiber dyeing. The spray-rolling type loose fiber dyeing machine comprises a transmission component and a spray component. The transmission component comprises a pair of upper drive rollers and a pair of lower drive rollers. The upper drive rollers and the lower drive rollers are sleeved with an upper guide belt and a lower guide belt respectively to be used in a cooperative mode. The upper guide belt is provided with a first leak hole, the upper guide belt and the lower guide belt operate synchronously, a plurality of upper rollers are arranged in an upper guide belt loop, and a plurality of lower rollers matched with the upper rollers to be used are arranged in a lower guide belt loop. The upper guide belt and the lower guide belt are matched with the upper rollers and the lower rollers to achieve synchronous clamping transportation of the loose fibers. The spray component comprises a dyeing liquid pipe and sprayer heads. One end of the dyeing liquid pipe is communicated with dyeing liquid, the other end of the dyeing liquid pipe is connected with the sprayer heads, the sprayer heads are located above the upper guide belt between adjacent upper rollers, and the dyeing liquid in the dyeing liquid pipe is sprayed downwards onto the loose fibers through the sprayer heads. By means of the spray-rolling type loose fiber dyeing machine, continuous production can be carried out, cost can be lowered to 1/3-1/5 of that in the prior art.

The invention provides a preparing process of an alginate fiber fleece type fabric. The process includes the following steps of A, conducting jet spinning on a sodium alginate solution to obtain alginate fiber yarn; B, conducting weft knitting and weaving on 20 wt% of bottom yarn and 80 wt% of surface yarn, wherein the bottom yarn is polyester filament yarn, and the surface yarn is prepared by blending alginate fiber yarn and modified polyester filament yarn; C, sequentially conducting unwinding, grey cloth carding and hemming on the fabric obtained in the step B, and then dyeing the hemmed fabric through positive ion red 3R; D, sequentially conducting washing, dewatering, drying, carding and ball rolling on the fabric obtained in the step C to obtain the alginate fiber fleece type fabric.In the preparing process of the alginate fiber fleece type fabric, the berber fleece fabric is obtained by blending the polyester filament yarn and the alginate fiber yarn, and the alginate fiber fleece type fabric is good in dyeing effect and high in color fastness by selecting specific dyes.

The invention belongs to the technical field of textile dyeing, and particularly relates to a dyeing method of chinlon. According to the method, final cleaning is performed through high-molecular polymer, so that dyeing of chinlon is realized. The dyeing method is stable in technology, the flow is easy to control, and dyed fabric does not have defects, such as dyeing defects and color spots, and is high in bleeding resistance color fastness, high in washing color fastness and rubbing color fastness are high, and good in quality.

A method for dyeing thin wood board by extrusion includes such steps as immersing a thin wood board in dyeing liquid, and extruding by passing it through the gap between a pair of rollers while removing the air and water from wood and absorbing the dye in the wood by negative pressure.

The invention provides a method for preparing a colored nanometer cellulose/polylactic acid composite film. The method is characterized by comprising the following steps that 1, dyed nanometer cellulose emulsion is prepared; 2, polylactic acid is dissolved in an organic solvent; the dyed nanometer cellulose emulsion is used as a water phase; an oil phase dissolved with the polylactic acid is added; homogenizing is performed; pickering emulsion is prepared; 3, an organic solvent in the pickering emulsion is volatilized; filtering and drying are performed to obtain colored composite microspheres; the colored composite microspheres are subjected to hot pressing; the colored nanometer cellulose/polylactic acid composite film is obtained through preparation. By the pickering emulsion method, the colored nanometer cellulose is uniformly dispersed into a polylactic acid matrix; the performance of the composition material can be enhanced; the rich color can also be given to the composite material; the application field of the composite material can be greatly expanded. The method is simple; the energy is saved; the environment is protected; the dyeing of the reactive dyes on the polylacticacid is indirectly realized.

The invention discloses a polyamide-cotton mixed fabric catalyzing and printing technology in the same sizing agent. The technological process comprises the following steps in sequence: printing, drying, steaming, washing with hot water, soaping, washing with water, and drying. The technology of utilizing an activated dye/ a neutral dye to be combined with dicyandiamide to catalyze and fix the color can obviously improve the printing color depth, reduces the dosage of an alkaline agent, realizes dyeing of the activated dye to the cotton in the fabric under the alkalescent condition, meanwhile cannot influence the dyeing of the neutral dye to polyamide, so as to achieve a good printing effect; the fastness to wet rubbing of the printed fabric can be up to level 4.

The invention discloses a jet overflow dyeing machine nozzle, comprising a nozzle carrier and a nozzle core carrier and a nozzle cover which are arranged in the nozzle carrier; wherein the nozzle core carrier and the nozzle cover are in funnel shape, the lower end of the nozzle cover is inserted into the nozzle core carrier, an annular gap is arranged between the nozzle core carrier and the nozzle cover, the annular gap is a dye liquor injecting port, the nozzle carrier is provided with a nozzle fluid pipe, the lower end of the nozzle core carrier is connected with the nozzle carrier by screw thread, a spacer is arranged between the lower end face of the nozzle core carrier and the nozzle carrier, and the outer wall of the nozzle core carrier is provided with a plurality of watertight shutters separated each other. The invention can prevent reflow from being produced in curved pipe of nozzle and reduce textile kinking and 'tympany'. When installing the nozzle, the thickness of the spacer between the nozzle carrier and the nozzle core carrier is adjusted to regulate the size of the dye liquor injecting port and the angle between the watertight shutter on the nozzle core carrier and the nozzle fluid pipe, thus realizing regulation of liquid flow jet speed and pressure.

The invention discloses intelligent equipment for dyeing and sizing a plurality of single yarns or plied yarns. The intelligent equipment comprises a dye liquor distributing and heating cylinder, a yarn feeder, a yarn tension pretensioner, an automatic dyeing and yarn arranging mechanism, an automatic dye vat adjusting mechanism, an automatic sizing mechanism and an automatic drying and yarn arranging mechanism, the dye liquor distributing and heating cylinder is used for storing dye liquor and can be used for heating the dye liquor and detecting the concentration of the dye liquor; the yarn feeder is used for fixing the initial position of the yarn and guiding the yarn; the yarn tension pretensioner is used for tensioning and guiding yarns; the automatic dyeing and yarn arranging mechanism can be used for automatically arranging yarns; the automatic sizing mechanism is used for automatically sizing yarns; and the automatic drying and yarn arranging mechanism can be used for drying andarranging sized yarns. According to the intelligent equipment, the technical problem of size dyeing of a plurality of single yarns or plied yarns in a short process is solved, the size dyeing processrequirements of different yarns are met by adjusting the rotating speed of the automatic yarn arranging mechanism for yarn dyeing and the number of thread turns of the lead screw, and the problems ofhigh cost and serious waste in the sample making stage of yarn products are solved.

The invention relates to a black inorganic fiber and a plasma preparation method thereof, and particularly discloses a black inorganic fiber. The black inorganic fiber comprises a fiber matrix and carbonized sugar attached to the fiber matrix, wherein the fiber matrix is an inorganic fiber capable of tolerating heat at the temperature of 500 DEG C, such as a basalt fiber, a ceramic fiber, a quartzfiber and a sepiolite fiber. The carbonized sugar attached to the fiber matrix is obtained by the following method: 1) pretreatment: carrying out surface modification on the fiber matrix by using wetplasma to obtain activated fibers, and soaking the activated fibers in a sugar aqueous solution under the action of tension; and 2) carbonization dyeing: carbonizing the soaked fibers obtained in thestep (1) at a high temperature to obtain the inorganic fibers with carbonized sugar attached to the fiber matrix after dyeing. The black inorganic fiber is novel and unique, simple in preparation method, environment-friendly and pollution-free.

The invention provides a cloud dyeing method for a chenille yarn, belongs to the technical field of dyeing, and solves the problem of poor three-dimensional effect after the chenille yarn is dyed in the prior art. The cloud dyeing method for the chenille yarn comprises the following steps: A, inspecting blank; B, tidying the chenille yarn; C, placing the chenille yarn into a dyeing vat; D, preparing a dye liquor; E, performing primary dyeing on the chenille yarn, namely, conveying the dyeing liquor into the dyeing vat of primary dyeing equipment, and primarily dyeing the chenille yarn through the dyeing vat, wherein the dyeing time is 150 to 200 minutes; F, dewatering; G, performing primary drying; H, performing final dyeing on the chenille yarn, namely conveying the dyeing liquor into final dyeing equipment, and finally dyeing the chenille yarn through a dyeing gun in the final dyeing equipment, wherein the dyeing time is 100 to 120 minutes; I, performing secondary drying; J, performing product inspection; K, packaging; L, warehousing. The cloud dyeing method for the chenille yarn has the advantages of good there-dimensional effect.

The invention relates to a dyeing wheel for a shuttlecock coloring machine. The dyeing wheel comprises a wheel body which is of a cylindrical structure, spiral limiting protrusions are arranged on the wheel body 1, spiral dyeing grooves are formed among the spiral limiting protrusions, material permeating holes distributed radially are uniformly formed in each spiral dyeing groove, and the upper end face of the wheel body is provided with a feeding port which is communicated with the material permeating holes respectively. The dyeing wheel has the advantages of reasonable structure design and low production cost, dyeing of feathers of shuttlecocks can be realized, and dyeing area and dyeing quality of the shuttlecocks are guaranteed while attractiveness of the shuttlecocks is improved.

The invention discloses a treatment method of an ultraviolet-resistant aromatic high-performance fiber. The method comprises the steps that an ultraviolet-resistant treating agent is prepared into a treating solution with the bath ratio of 15-50 to 1 according to the fiber weight of 1.5-5%, even stirring is performed, the pH of the ultraviolet-resistant treating agent is regulated to be 5-7, then the aromatic high-performance fiber is put in the ultraviolet-resistant treating agent, and treatment is performed according to the steps and conditions of a conventional high temperature and high pressure dyeing process (shown in the description). By the adoption of the treatment method, the aromatic high-performance fiber can play a lasting ultraviolet-resistant function, can also synchronously achieve corresponding fiber dyeing, the strength retention rate of the fiber subjected to ultraviolet irradiation is effectively improved, an operation process is simple, and the conditions are easy to control. The method is suitable for industrialized production.

The invention relates to a dyeing device, in particular to an industrial fireproof heat-insulation fiber cloth pasting and dyeing device. The invention mainly provides the industrial fireproof heat-insulation fiber cloth pasting and dyeing device which can dye and roll fiber cloth at the same time by means of a machine, so that efficiency is improved. The industrial fireproof heat-insulation fiber cloth pasting and dyeing device comprises a base, wherein a driving mechanism and a rolling mechanism are arranged at the top of the base; and the driving mechanism is located on the inner side of the rolling mechanism. By arranging the driving mechanism, the rolling mechanism and a feeding mechanism, the cloth is driven to be drawn out and tightened and is in contact with sponge with pigment at the same time, so that dyeing of the cloth is achieved.

The invention relates to the technical field of medical treatment, in particular to a pretreatment tube and a pretreatment method for a liquid-based cell sample.The pretreatment pipe comprises a pipe body; a pair of slots which are formed in the inner wall of the pipe body; an inserting plate, the width of the inserting plate is matched with the spacing distance of the pair of inserting grooves, and the inserting plate is used for being embedded into the pair of inserting grooves so as to divide the pipe body into a first cavity and a second cavity which are closed with each other; a filter membrane is arranged on the insertion plate and is provided with a plurality of filter holes, and the size of the filter holes is smaller than that of the cells to be treated. According to the technical scheme, the pretreatment tube has the beneficial effects that the insertion plate is arranged in the tube body of the pretreatment tube to divide the tube body into the first cavity and the second cavity, and the insertion plate is provided with the filter membrane with the filter holes, so that the tube body is not only used for storing cell samples, but also can realize other reaction functions such as dilution, enrichment and dyeing in the tube body.

The invention discloses a method for dyeing a high-performance fiber with a liquid membrane in seconds. Firstly, the high-performance fiber is immersed in a dye solution configured by N,N-dimethylacetamide, LiCl and colored nanoparticles; a pretreated high-performance fiber is subjected to a high-temperature oil bath treatment; through the smaller molecular structures of N,N-dimethylacetamide andthe strong electronegativity of the amide carbonyl group, the fiber surface roughness and porosity in the high-performance fiber can be effectively increased, and more colored particles can be easilyabsorbed; at the same time, the high-temperature and high-pressure steam in an oil bath dyeing process can produce a certain internal and external pressure difference in pores of the high-performancefiber surface; and the interaction of N,N-dimethylacetamide and LiCl further inhaled into the inner layer of high-performance fiber, so as to realize fast dyeing of high-performance fiber. The printing and dyeing efficiency and fixing rate of the high-performance fiber are effectively improved, and the application of the high-performance fiber is easily expanded.

The invention relates to a dyeing process of a blended fabric. The dyeing process sequentially comprises the following steps of pretreatment, dyeing, water washing and soaping, modification treatment and sizing. According to the method, the hydrophilicity and the bulkiness of the fabric can be improved through plasma treatment and ultrasonic treatment, so that the fabric can react with dye more easily, the blended fabric is dyed, and the dyeing uniformity and the color fastness are improved. After dyeing, water washing and soaping are completed, the blended fabric is further subjected to silicate ester modification, Si-O bonds can be generated on the fiber surface through silicate ester modification to form a three-dimensional network film, the dyeing color fastness can be further improved, and the hydrophilicity of the blended fabric is further improved. The natural plant dye is adopted to dye the blended fabric, and the natural plant dye has degradability, so that the dyeing method is healthier and more environmentally friendly.