14results about How to "Uniform dyeing" patented technology

The present application relates to a kind of light and thin embroidery fabric and its preparation method, belong to fabric technical field, the preparation method includes: S1, preparation modified polyurethane emulsion, cotton fiber and polyester fiber are immersed in modified polyurethane emulsion, dry, the cotton fiber and polyester fiber after treatment are obtained, for standby;S2, take the cotton fiber and polyester fiber after treatment, prepare light and thin yarn using the way of Siro compact spinning, plain weave, obtain light and thin base cloth;S3, preparation finishing liquor;S4, light and thin base cloth is soaked in finishing liquor according to bath ratio, take out, lay on the calender roll, roll liquid, take out the fabric, dry, obtain light and thin embroidery fabric.The sulfonic acid group and polyethylene glycol segment introduced in modified polyurethane, cotton fiber and polyester fiber are immersed in modified polyurethane emulsion, microcrystalline cellulose and chitosan are added in finishing liquor, improve the tensile resistance, hydrophilicity and dyeing rate of light and thin embroidery fabric.

The utility model discloses a kind of blended yarn printing and dyeing equipment, including printing and dyeing bin and separation holding tray, separation holding tray is moved in printing and dyeing bin, blended yarn is placed on separation holding tray, separation holding tray includes connecting block, block, inclined rod, side filter screen and bottom disc, the bottom disc is moved in printing and dyeing bin, the block is located at the top of bottom disc, the block is circular table structure, the side filter screen is located at the top of bottom disc and is set on the outside of block, the inclined rod is evenly distributed and is located on the inclined plane of block, the connecting block is located at the top of block, the utility model is used for placing blended yarn using separation holding tray, using the circular table structure of block facilitates dye in blended yarn backflow to printing and dyeing bin, realizes dye recovery, solve the blended yarn after printing and dyeing in background art There are more dyes, but the dye carried by blended yarn cannot be collected, thereby leading to the loss amount of dye during printing and dyeing processing is larger, improve the consumable cost of printing and dyeing problem.

This utility model relates to the field of dyeing, and particularly to a nozzle and a dyeing machine, comprising a nozzle core, wherein the nozzle core includes a first nozzle core component, a second nozzle core component, and a positioning component. A limiting ring is provided on the outer wall of the first nozzle core component; the positioning component is located above the second nozzle core component and is fixedly connected to it; the positioning component has an installation port; the first nozzle core component passes through the installation port and is mounted on the positioning component, and the limiting ring passes through the installation port and abuts against the inner wall of the installation port; the first nozzle core component is inserted into the second nozzle core component, and a spray channel is formed between the first and second nozzle core components. Using this utility model, the spray channel is uniform, the precision is high, the spray force is uniform, and the dyeing effect is good.

The utility model discloses a willow wicker strip dyeing frame for willow wicker handicraft, including seat frame, the symmetry connection support rod in seat frame middle through the hinge base, and the upper end of support rod is hinged to the edge strip, and the edge strip is symmetrically connected to the two side edges of dyeing tank, and the lower side between the both ends of dyeing tank and seat frame is symmetrically connected with support rod subassembly, and the end of dyeing tank is symmetrically set up and is introduced hole and export hole, and the inside of introduction hole and the outside of export hole all are provided with automatic plug, and the inside of export hole is connected with tile strip one end, and the other end of tile strip is connected with the inside of introduction hole through support strip, has simple structure, reasonable in design, novel and unique thought, and the hole plug on the introduction hole on the top of willow wicker strip is entered into the dyeing tank, and the dyeing tank is supported on seat frame through hinge base connection support rod, and shakes dyeing tank, and makes the dye liquor cover the willow wicker strip inserted into the dyeing tank, and the willow wicker strip is guided to export hole through tile strip and exports from export hole after being inserted into the dyeing tank, and the automatic plug on the export hole is opened.

The invention belongs to the technical field of dyeing, and relates to an automobile film dyeing method and application thereof, the dyeing method comprises the following steps: (1) putting a dye and an automobile film into a dyeing kettle; (2) injecting carbon dioxide into a dyeing kettle, heating to 70-130 DEG C, pressurizing to 20-30 MPa for dyeing, and cooling to finish dyeing of the automobile film; according to the dyeing method, supercritical carbon dioxide is used as a dyeing medium, and temperature and pressure parameter ranges in the dyeing process are optimized, so that high permeability and uniform coloring of the automobile film are realized, and the dyed automobile film has the advantages of uniform dyeing, high color saturation and high color fastness; meanwhile, the excellent optical performance of the automobile film is not influenced; in addition, the dyeing method has the advantages of being short in time consumption, low in energy consumption and environmentally friendly, and can be suitable for various automobile film materials.

The invention discloses a medical pressure belt based on nylon spandex elastic flannelette and a preparation method of the medical pressure belt, and relates to the technical field of medical pressure belts. The preparation method comprises the following steps: pretreating brocade spandex elastic flannelette through alkali washing and acid washing, immersing the brocade spandex elastic flannelette into an epsilon-polylysine solution to form a bottom coating, dispersing composite phthalocyanine powder consisting of water-soluble phthalocyanine dye, monosubstituted beta-carboxyl zinc phthalocyanine and iron phthalocyanine derivatives, adjusting the pH value, adding an auxiliary agent to prepare slurry, dip-dyeing a base material with the bottom coating, pre-drying, and curing to obtain a finished product. The pressure belt integrates the functions of efficient antibiosis, deodorization and dyeing, the coating is high in adhesive force, washable and durable, the base material is elastically attached, the biological safety is high, and the pressure belt is suitable for the scenes of clinical infection prevention, postoperative care and the like.

The invention discloses a disperse dark blue-to-black dye composition and application thereof. A compound shown in the formula (I) is synthesized and mixed with other dyes and auxiliaries to obtain the disperse dark blue to black dye composition. The dye composition comprises the following components in percentage by mass: 1-20% of a component A, 1-20% of a component B, 10-40% of a component C, 1-10% of a component D and the balance of auxiliaries. The disperse dark blue-to-black dye composition provided by the invention can stably dye in a dye solution with the pH value of 4-12, and does not need reduction cleaning. The method has the advantages that the method is simple and convenient, excellent adaptability to various fabrics is achieved, various fastness index requirements are met for polyester or polyester blended fabrics, the low-carbon and environment-friendly requirements of enterprise production are met, and the market competitiveness of enterprises is improved.

The invention discloses an immunofluorescence staining method and device for biological tissues. The biological tissue immunofluorescence staining method comprises the steps of tissue fixation, tissue degreasing and immunostaining. The tissue degreasing comprises the step of degreasing the tissue by adopting a small-micelle zwitterionic surfactant; the immunostaining comprises the step of carrying out immunostaining under a low-voltage condition of 10-100V. According to the immunofluorescence staining method, the small-micelle zwitterionic surfactant is combined with low-voltage current for immunostaining, rapid and uniform staining of large-volume tissues such as mouse brains can be realized on the premise of not causing obvious tissue damage or expansion, and a fine structure is clearly displayed.

The utility model discloses a pretreatment and dyeing all-in-one machine for oxford fabric processing, which comprises an all-in-one machine frame, a pretreatment assembly is arranged on the upper side of the all-in-one machine frame, the pretreatment assembly comprises a portal frame, an air cylinder is fixedly arranged on the outer surface of the upper side of the portal frame, and two mounting plates are symmetrically arranged on the inner side of the portal frame. A hollow column is fixedly mounted on the outer surface of one side of the mounting plate, a connecting column is slidably mounted on the inner wall of the hollow column, a spring is fixedly mounted on the outer surface of one end of the connecting column, a triangular plate is fixedly mounted on the outer surface of the other end of the connecting column, and a roller shaft is arranged on one side of the triangular plate. By means of the structure, the surface of the oxford fabric is scraped and cleaned, dust or impurities are avoided, meanwhile, wrinkles and overlapping of the fabric are avoided, and the dyeing quality of the oxford fabric is greatly improved.

The utility model discloses an antifibrillated lyocell dyeing device with uniform dyeing, which relates to the technical field of cloth dyeing and comprises a dyeing tank, a partition plate is fixedly connected inside the dyeing tank, the upper surface of the partition plate is rotatably connected with a rotating rod, a driving mechanism is arranged below the dyeing tank, the rotating rod rotates through the driving mechanism, and the driving mechanism drives the rotating rod to rotate. The upper end of the rotating rod is fixedly connected with a fixing block, and a first inserting groove is formed in the upper portion of the fixing block. The driving mechanism drives the rotating rod, the fixing rod and the cloth frame to rotate, so that cloth does circular motion in the dyeing tank, dye liquor is continuously stirred, the dyeing agent precipitation phenomenon is broken, upper and lower dye liquor is pushed to be fully mixed, and the contact area and uniformity of the cloth and the dye liquor are increased; the problems of shallow dyeing of the upper-layer cloth and deep dyeing of the lower-layer cloth caused by precipitation of a dyeing agent in a traditional dyeing device are effectively solved, uniform dyeing of the antifibrillated lyocell fiber cloth is ensured, and the dyeing quality is improved.

The utility model discloses a dip dyeing device capable of dyeing fabric uniformly, and particularly relates to the technical field of fabric processing, the dip dyeing device comprises a heating box, four rotating rollers are rotatably mounted on the front wall and the right wall of the heating box together, a smoke generator is fixedly mounted on the heating box, and a high-pressure pump is fixedly mounted at the rear end of the heating box. Guide rollers are fixedly mounted at the front end and the rear end of the heating box, a steam device is fixedly mounted in the middle of the upper end of the heating box, and stirring devices are rotatably mounted on the front wall and the rear wall of the heating box. According to the dip dyeing device capable of uniformly dyeing the fabric, the designed steam device can generate high-temperature steam, the high-temperature steam is uniformly transmitted to the fabric through the steam outlet holes, the steam is liquefied to release a large amount of latent heat when being in contact with the fabric, heat can quickly and uniformly permeate into all parts of the fabric, and the fabric is uniformly dyed. The non-uniform dyeing depth caused by local temperature difference is avoided, so that the fabric is dyed more uniformly and the color is bright.

The utility model relates to face fabric dip dyeing drying equipment technical field, and disclose a kind of dip dyeing equipment with drying structure for textile fabric production, including support plate, the front and rear ends of support plate are provided with adjusting assembly, the front side of support plate upper end is provided with dip dyeing box, the upper end of dip dyeing box is provided with dip dyeing groove, the rear side of support plate upper end is provided with drying cabinet, the upper end of drying cabinet is provided with drying cavity, the left and right inner walls of drying cabinet are provided with mounting groove, the inside of mounting groove is provided with fan, the adjusting assembly includes first support block.This dip dyeing equipment with drying structure for textile fabric production, driving motor drives screw rod rotation, through connecting sliding block drive dip dyeing fabric placement box moves along the front and rear of sliding slot, accurately control the soaking position and time of fabric in dip dyeing groove;Electric push rod adjustable placement box height, adapt to different dip dyeing depth requirement, ensure that dyeing is uniform.

The invention belongs to the technical field of plant grafting, and particularly relates to an early identification method for healing degree and affinity of fruit tree grafted rootstocks and scions. The early identification method comprises the following steps: grafting a scion to a stock, culturing for 10-20 days, inserting the base part of the stock into a fast green staining solution for staining, and judging the healing degree and affinity according to the staining condition. Different rootstock and scion combinations after grafting are dyed by using the dyeing agent fast green, the transportation difference of the fast green in the grafted rootstock and scion combinations is analyzed, the rootstock and scion healing degree and affinity can be rapidly judged, and technical and theoretical supports are provided for rapid rootstock breeding, rootstock and scion combination screening and rootstock application.

The utility model discloses a fabric one-bath dyeing device, which belongs to the technical field of one-bath dyeing, and comprises a dyeing pool, a heat preservation device arranged in the dyeing pool, a connecting device arranged in the dyeing pool and used for placing cloth, a material mixing barrel arranged on one side of the dyeing pool, and a material pumping centrifugal pump arranged on one side of the dyeing pool. The input end of the material pumping centrifugal pump is communicated with the dyeing pool, the output end of the material pumping centrifugal pump is communicated with the material mixing barrel, a stirring device is arranged in the material mixing barrel, a material returning centrifugal pump is arranged at the top of the dyeing pool, the input end of the material returning centrifugal pump is located in the material mixing barrel, the output end of the material returning centrifugal pump is located in the dyeing pool, and a material spraying pipe is arranged in the dyeing pool. The material return centrifugal pump is communicated with the material spraying pipe, and the material spraying pipe is provided with a material opening, so that the dyeing uniformity can be ensured.