74results about How to "Dyeing firm" patented technology

The invention provides a cloth printing and dyeing device. The cloth printing and dyeing device is used for dyeing cloth and comprises a first box, a second box, a cloth rolling roller set, a first cloth roller, a second cloth roller, transitional rollers and a communicating pipe. The first box is arranged above the second box, the body wall of the first box comprises a first outer shell, a first inner shell and a first heating cavity between the first outer shell and the first inner shell, and the cloth rolling roller set is arranged in the first box. The body wall of the second box comprises a second outer shell, a second inner shell and a second heating cavity between the second outer shell and the second inner shell, a plurality of heating pieces are arranged in the second heating cavity, and a plurality of cloth winding rollers are arranged in the second box and used for changing the direction of cloth. The first heating cavity is communicated with the interior of the second box through the communicating pipe. Exhaust holes are formed in the first outer shell and are away from the port, located in the first heating cavity, of the communicating pipe. The cloth printing and dyeing device is simple and practical in structure, uniform in dyeing and firm, and the purpose of saving energy is achieved by recycling heat.

The invention provides a low-temperature dyeing process of a fiber fabric. The low-temperature dyeing process comprises the processes of pretreatment, pre-sizing, dyeing, reduction clearing, fixing, softening treatment, drying, sizing, calendaring and rolling. In the dyeing process, the highest temperature does not exceed 100 DEG C, mild dyeing is carried out by using a gradual warming method and pH value regulation is carried out through a buffer solution, so that a proper acid environment required during the dyeing is satisfied and the dyeing effect is excellent; during the dyeing, a leveling agent is added to ensure that the dyeing is uniform; anhydrous sodium sulphate is added to postpone the dyeing process of the pigment and the temperature rises slowly at the same time, so that the uniform dyeing is ensured; a smoothing agent is added to prevent the scratching and local fibrillation; a penetrant and a diffusant are added to ensure that the penetration and the diffusion of the dyeing are relatively good; by means of the strict control in the aspects of temperature, acid, auxiliaries, time and the like, the low-temperature dyeing process of the fiber fabric has the advantages that the dyeing firmness is high, the dyeing is uniform, the dyeing stability is good and the effect is excellent at low temperature.

The invention discloses a manufacturing method of milk protein fiber or filament or blended yarn dyeing and yarn-colored product, which is characterized by the following: changing coiling density of yarn; controlling heating temperature; adopting segmented contraction in the cylinder yarn dyeing course; adding self-producing milk protein fiber dyeing specific adjuvant; utilizing polyacrylonitile or polyvinyl acetate alcohol as carrier realize active dyeing technology of milk protein fiber; solving the difficulties of flower color, weak color and bad fastening degree problem to produce excellent washing shrinkage and stable size yarn-dyed product through weaving, shrinking and softening and final disposal.

The invention discloses a supercritical CO2 waterless dyeing system and a cloth dyeing method thereof. The method comprises the following steps of A, preparing and storing of CO2; B, cooling; C, pressurizing; D, heating, wherein a heating device is utilized for enabling CO2 to form supercritical fluid, and the supercritical fluid is heated to 120-150 DEG C; E, dyeing, wherein a circulating pump pushes a mixture of the supercritical fluid and dye to circularly flow inside a circulation channel, cloths inside a pressure kettle are dyed, the pressure inside the pressure kettle is 28-30 MPA, the temperature is 120-150 DEG C, the circulation flowing time is 20-40 min, and the circulation flow is not smaller than 10 M<3> per hour; F, pressure relieving, wherein a nanoscale color masterbatch is dissolved through the supercritical CO2 fluid, the cloths are dyed, and dyeing technological conditions such as pressure, temperature and time are optimized at the same time so as to improve the dyeing efficiency and dyeing quality.

The invention discloses a processing method for aluminum components. The processing method is used for exterior processing of an exterior aluminum component of a mobile terminal so as to allow an exterior surface of the aluminum component to have n different colors, i.e., a first color, a second color,..., and an n color, wherein n is a natural number no less than 2. The processing method for aluminum components comprises the following steps: carrying out first exterior processing on the part of an aluminum component to be colored with the first color; carrying out first anodization dyeing treatment on the part of the aluminum component to be colored with the first color; carrying out second exterior processing on the part of the aluminum component to be colored with the second color; and carrying out second anodization dyeing treatment on the part of the aluminum component to be colored with the second color. The processing method for aluminum components provided in the invention has the advantages of simple operation, solid dyeing, a few processing procedures and capacity of realizing indiscriminate application of a plurality of colors on a same aluminum component.

The invention discloses a low-smoke, halogen-free, flame-retarding and fireproof polyolefin insulated cable and a preparation method thereof. According to the key point of the technical scheme, the low-smoke, halogen-free, flame-retarding and fireproof polyolefin insulated cable comprises insulated wire core groups, fireproof layers, an insulating layer, an oxygen separation layer and a protecting jacket layer in sequence from interior to exterior, wherein the fireproof layer is prepared from the following components in parts by weight: 5 to 15 parts of mineral flame retardant, 50 to 70 parts of polyethylene resin and/or polyvinyl chloride resin, 5 to 15 parts of glass fiber, 5 to 15 parts of polysulfonamide fiber, 5 to 10 parts of melamine amide-inorganic montmorillonite, 10 to 35 parts of polyorganosiloxane, 0.5 to 5 parts of solubilizer and 0.5 to 5 parts of microcapsule pigment; the insulating layer is prepared from the following components in parts by weight: 50 to 70 parts of polyethylene resin and/or polyvinyl chloride resin, 5 to 15 parts of Kevlar fiber and 5 to 15 parts of mineral flame-retarding filling. The exteriors of insulated wire cores are cladded with the fireproof layers, the insulating layer, the oxygen separation layer and the protecting jacket layer; the structure with sequential distribution can be used for decelerating the spreading speed of a fire behavior in the condition that the cable is on fire.

The invention relates to a continuous pigment dyeing method for fabrics, in which the fabrics during travelling are subjected to the steeping of a composite dye solution in a steeping tank that is continuously supplemented with the composite dye solution, and then to the rolling of rollers, and the time the fabrics are subjected to the composite dye solution by the fabrics is 2.5-5 seconds. The composite dye solution comprises the components having the following concentrations: 10g/L-50g/L of a pigment paste, 1g/L-8g/L of a cation modifying agent, 3g/L-5g/L of a surfactant and 5g/L-20g/L of a cation bonding agent. The padding fabrics are continuously subjected to an infrared pre-drying apparatus for drying, a hot-air pre-drying tank for drying and a steam drying cylinder apparatus for drying. The inventive method has superior stability of the dyeing effect and is free from agglomeration.

The invention discloses a polyester two-way-stretch fabric dyeing process including the steps of pretreatment, preshaping, dyeing, dehydration, drying, scotching and shaping to obtain a dyed polyestertwo-way-stretch fabric. In the method, under a low bath ratio condition, a dispersed dye is used for dyeing the fabric in two stages in a heat insulation manner, then the temperature is slowly decreased, sewage is discharged and the fabric is cleaned in clear water. The process is used for dyeing the polyester two-way-stretch fabric, is high in dyeing rate and good in color fastness, can reduce folds, shorten operation time and save energy, and can reduce cost.

The invention discloses a method for manufacturing shell fabric with bananas being used as raw materials, and belongs to the technical field of the textile industry. According to the method, stems and leaves of the bananas are used as the raw materials, and the shell fabric is obtained by conducting the steps of blasting, enzymolysis, rinsing, degreasing, rolling extrusion, throwing and the like on the raw materials. According to the method, banana threads made from the stems and the leaves of the bananas are high in yield and low in impurity content, the shell fabric made from the banana threads is soft and not prone to yellow discolouration, and the shell fabric is solid in dyeing and good in coloring effect.

The invention relates to a modifier for wood dyeing and a preparation method thereof. The modifier comprises the following components in parts by weight: 200 parts of formaldehyde, 50 to 80 parts of phenol, 300 to 370 parts of urea, 50 to 80 parts of melamine, 20 to 30 parts of ammonia water, 1 to 10 parts of basic catalyst, 10 to 30 parts of auxiliary, 50 to 70 parts of extender, and 1 to 5 parts of acid dye, wherein the formaldehyde is an aqueous solution with formaldehyde mass concentration between 35 and 40 percent, and the ammonia water is an aqueous solution with mass concentration between 20 and 30 percent. The wood dyeing modifier can be used for improving the uniform diffusivity and dyeing property of the dye in woods and the light resistance of the dye, and certainly improving the size dimension and hardness of woods.

The invention provides a practical cloth dyeing device which comprises a shell, a spraying device, a first press roll device, a first filtering device, a second press roll device, a second filtering device, guide pulleys and a dye storage box. The spraying device, the first press roll device, the first filtering device, the second press roll device and the second filtering device are sequentially arranged from top to bottom; the first filtering device and the second filtering device are both slidably installed in the shell, the end side of the second end of the first filtering device and the bottom of the second end of the first filtering device are both provided with the guide pulleys, and a first lower press roll is arranged over the second end of the first filtering device and matched with a first upper press roll of the first press roll device; the end side of the second end of the second filtering device and the bottom of the second end of the second filtering device are both provided with the guide pulleys, and a second lower press roll is arranged over the second end of the second filtering device and matched with a second upper press roll of the second press roll device. According to the practical cloth dyeing device, the dyeing effect is good, dyeing is uniform and firm, and dye is saved.

The invention relates to a dyeing method of a flame retardant blended fabric. The method comprises the following steps: (1) carrying out pretreatment, namely, boiling the flame retardant blended fabric in a pretreatment agent for 30-50 minutes at the temperature of 70-95 DEG C; (2) dyeing in a first bath, namely, transferring the flame retardant blended fabric obtained in the step (1) into a first dye vat; and (3) dyeing in a second bath, namely, transferring the flame retardant blended fabric obtained in the step (2) into a second dye vat. The flame retardant blended fabric comprises the following components in parts by weight: 40-60 parts of meta-position aramid fiber and 40-60 parts of flame retardant viscose fiber. According to the dyeing and finishing method, in the process of dyeing in the first bath, the meta-position aramid fiber is dyed, and in the process of dyeing in the second bath, the flame retardant viscose fiber is dyed, so that different dyeing and finishing processes are carried out on the two fibers with different functions; the dyeing method has the advantages of being uniform in dyeing, stable, washable, good in flame retardant property and the like.

The invention discloses a shaping device for a non-woven fabric dyeing production line and a dyeing process of the device. The shaping device comprises a base seat, wherein a drying shaping componentis mounted on one side of the base seat. The device has a scientific and reasonable structure, is safe and convenient to use, the drying shaping component is arranged to dry and shape two sides of thenon-woven fabric simultaneously through the action of a plurality of heating plates and grooves, so that the shaping effect is improved; meanwhile gas in a drying chamber flows through the action ofan air inlet pipe, an air outlet filter plate and an air outlet pipe, so that the water vapor generated in the drying process is taken away; observation and supervision of the internal condition of the drying chamber by a user is facilitated through the action of a transparent organic glass plate; the non-woven fabric is staggered distributed along a first roller shaft and a second roller shaft through the action of the first roller shaft and the second roller shaft; and class drying is preformed on the non-woven fabric, and preliminary stretching is preformed on the non-woven fabric at the same time, and thus the surface of the non-woven fabric is smooth, and the surface wrinkles are prevented from affecting the drying effect, so that the drying effect is improved.

The present invention relates to a treating agent with a characteristic of convenient corn skin dyeing, wherein the treating agent is prepared from the following raw materials by weight: 2.5 parts of sodium nitrate, 1.6 parts of sodium acetate trihydrate, 0.5 part of potassium chloride, 0.25 part of sodium citrate, 3 parts of sodium carbonate, 6 parts of 5% nitric acid, 30 parts of water, and 1.8 parts of polyvinyl alcohol. According to the present invention, the treating agent preparation method is simple, the treating method after completing the preparation is simple, the treated corn skin is easy to dye, the dyed color is stable, the fading can not be generated, the non-uniform core dyeing can not be generated in a short term, and the corn skin product quality can be improved.