34results about How to "Dyeing achieved" patented technology

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.

The invention provides a modified wood dyeing method. A modified wood board or modified wood powder is put in a dyeing container of supercritical CO2 fluid dyeing equipment for dyeing with CO2-H2O serving as a dyeing medium, disperse dye serving as a dyeing agent, the temperature of 100-140 DEG C, the pressure of 10-40 MPa and the time of 10-600 minutes. After the dyeing is finished, the CO2 and the disperse dye are recovered by reducing the pressure and the temperature so as to obtain the dyed modified wood board or the dyed modified wood powder; and the hot press molding can be further performed for the dyed modified wood powder to obtain the dyed modified wood board. The dyed wood board has such effects as rich colors, bright colors and uniform colors; and the dyeing process has such advantages as cleanness and environmental protection. The color board can be applied to the indoor or outdoor decoration engineering, can particularly serve as a beautiful decoration material in a humid environment, and has wide application prospect.

The invention provides an island-fixed type sea-island short fiber, the island component of the island-fixed type sea-island short fiber is polybutylene terephthalate, and the sea component is alkali-soluble polyester. The present invention also provides a method for preparing the sea-island short fiber, comprising: melting the island component in a first screw extruder; melting the sea component in a second screw extruder; The molten body of the first screw extruder and the molten body of the second screw extruder are extruded through the spinning assembly to obtain nascent sea-island fibers; the nascent sea-island fibers are sequentially cooled, oiled, drawn, After crimping, loosening and setting, cut to obtain island-fixed short fibers. The PBT superfine fiber fabric prepared by adopting the island-fixing type sea-island short fiber provided by the invention has soft texture and good elasticity, and can be dyed under normal pressure conditions.

The invention discloses a textile dyeing device capable of saving dyes. The textile dyeing device comprises a box body, a dye box is fixedly connected between two opposite sides of the inner wall of the box body through a supporting plate, the two opposite sides of the inner wall of the box body are fixedly connected with a fixing device through fixing blocks, one side of the top of the supporting plate is fixedly connected with a pressing device, a leaky bucket is fixedly connected between two opposite sides of the inner wall of the box body, the bottom of the leaky bucket communicates with a first dye tube, one end of the first dye tube communicates with a water pump, the outlet end of the water pump is connected with a spray dyeing tube through a second dye tube, the two opposite sides of the inner wall of the box boy are fixedly connected with a pair of cushioning devices, the centers of the cushioning devices are rotatably connected with pressed roller wheels, and a drying device is fixedly connected between the two opposite sides of the inner wall of the box body through a fixing plate. The invention relates to the technical field of textile processing. The textile dyeing device capable of saving the dyes improves the dyeing efficiency, shortens the drying time, saves the dyes, reduces the labor intensity and improves the work efficiency.

The invention discloses an efficient dyeing machine which comprises a supporting frame, a motor, machine bodies, a water suction pump, a movable cover, a hose and a water pipe. Three sets of the machine bodies of identical structures are fixed in the supporting frame. Two telescopic sleeves on the same horizontal plane are mounted on the outer wall of each machine body. The telescopic sleeves are mounted vertically, and movable rods of the telescopic sleeves are fixedly connected to the lower surface of the movable cover in an upward mode. The motor is mounted on the upper face of the movable cover. An output shaft of the motor stretches into the machine bodies, and a reducer is connected to the output shaft of the motor. Cloth rotates on a hanging tray and makes full contact with liquid for dyeing, and dyeing is uniform; multiple sets of machine bodies are arranged, a great amount of cloth can be dyed, energy can be saved, and a power supply does not need to be started or shut down frequently; the cloth is convenient to load and unload, airtightness of the inner portions of the machine bodies is guaranteed at the same time, and the efficient dyeing machine improves the dyeing speed and dyeing quality of products.

The invention discloses a vacuum dyeing device based on fast fabric printing and dyeing. The device comprises a dip dyeing chamber, two dip-dyeing cloth rollers, a driving part and a plurality of driven rollers, wherein the dip dyeing chamber is provided with a sealing cover sealingly matched with the dip dyeing chamber; the two dip-dyeing cloth rollers capable of rotating forwardly and reverselyare arranged at an interval in the dip dyeing chamber; the driving part is used for driving the two dip-dyeing cloth rollers to synchronously rotate forwardly and reversely; the driven rollers are arranged between the two dip-dyeing cloth rollers in upper and lower rows. The vacuum dyeing device based on fast fabric printing and dyeing has the advantages that cloth does not have wrinkles, the situation that part of the cloth cannot be dyed or is dyed more lightly cannot occur, and the dyeing effect is improved; the structure has a pre-dip dyeing effect, thereby effectively reducing time required for dyeing of the cloth, and the work efficiency is high; the cloth is in a dyed state all the time when rolled to the dip-dyeing cloth rollers, thereby further improving the dyeing effect and dyeing efficiency.

The invention discloses a disperse dye polyster dyeing method using siloxane as a medium, and belongs to the technical field of textile dyeing and finishing. The method comprises the following steps of (1) adding materials to be dyed, a prepared dye solution and dye accelerators into the dye medium to be dyed; (2) performing liquid removal, siloxane medium washing and drying after the dyeing so asto obtain a dyeing finished product. Compared with a patent CN103074781A, the method provided by the invention has the advantages that ordinary materials to be dyed is not needed to be pre-treated; during the dyeing, only a small number of nontoxic and harmless dye accelerators need to be added; the dyeing of the polyster fabric under the condition of normal pressure or micro pressure is realized, so that the dependence and requirements (high temperature and high pressure) on the equipment are reduced. In the subsequent washing, a water washing method is avoided; the siloxane medium is used;the zero sewage discharge is reached; the dyeing uniformity and color firmness of the disperse dye dyeing can be effectively improved; the siloxane medium obtained through dyeing, washing and drying can be cyclically used through recovery; the ecological dyeing of the disperse dye is really realized.

The invention discloses a solid wood coloring method and belongs to the field of wood coloring. The solid wood coloring method comprises the steps that a coloring solution is prepared, solid wood is soaked in the coloring solution, the colored solid wood is taken out and then stacked for 5-7 h at the normal temperature and normal pressure, the colored solid wood processed in the step (3) is driedtill the moisture content is 12% or below, the colored solid wood is conveyed into a drying kiln again and quickly heated to 70-80 DEG C by jetting high-temperature steam for 2-3 h, heat preservationis conducted for 5-6 h, then high-temperature drying is conducted, the maximum temperature is up to 110-115 DEG C and is maintained for 20-25 h, the moisture content of the solid wood is decreased to12% or below, and accordingly high-temperature quick drying of the colored solid wood is completed. According to the solid wood coloring method, the solid wood is colored through food colorants, so that the solid wood meets the national standard, the advantages of high coloring speed, high tinting strength and the like are achieved, and no harm is caused to human bodies.

The invention relates to a dyeing method of colorful echinopsis tubiflora. The dyeing method comprises the following steps of: mixing plant-pigment stock solutions with different proportions, injecting the mixed plant-pigment stock solution into the epidermis and the root part of the echinopsis tubiflora by a syringe. The dyeing method has the advantages that the pigment stock solution prepared by utilizing natural plant dyes such as butterflybush flower, henna, tulip petals, peristrophe roxburghiana, dandelion, safflower and hematoxylon does not contain any chemical substances, so that the influence on the growth of the echinopsis tubiflora can be avoided while the echinopsis tubiflora is dyed; the plant-pigment stock solution is respectively injected into the root part and the epidermis of the echinopsis tubiflora, so that the plant-pigment stock solution can be better permeated into the internal tissues of the echinopsis tubiflora; by long-time continuous injection, the plant-pigment stock solution and the grown tissues of the echinopsis tubiflora are fused togehter.

The invention provides a dyeing system which comprises a dyeing tank and a mixing barrel which are connected, the dyeing tank is horizontally arranged, a mounting hole plate is arranged in the dyeing tank and divides the dyeing tank into a first cavity and a second cavity, and a positioning assembly for positioning a cloth roll is arranged in the first cavity; a booster pump is arranged between the mixing barrel and the second cavity, the booster pump pumps liquid in the mixing barrel and then pumps the liquid into a first heat exchanger arranged in the second cavity, and the first heat exchanger guides the liquid into the cloth roll; and a circulation assembly forming circulation with the first cavity and the second cavity is further arranged outside the dyeing tank, a second heat exchanger is arranged in the circulation assembly, and liquid in the first cavity enters the circulation assembly, then is heated by the second heat exchanger, enters the first heat exchanger and then enters the cloth roll. According to the dyeing system, the non-woven fabric can be dyed only through one-time operation, the efficiency is high, meanwhile, the dyeing rate of the dyed non-woven fabric can reach 90% or above, and the color fixation rate can reach 90% or above.