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126results about How to "Good dyeing effect" patented technology

Method for dyeing superfine terylene fabric

The invention discloses a method for dyeing a superfine terylene fabric. The method comprises the following dyeing steps: adding a softening agent, part of a leveling agent, and an expansive agent into the soppy superfine terylene fabric to prepare a working solution; adding a pH regulator to regulate the pH value of the working solution to 3.5-4.0; heating the working solution with the adjusted pH value to 43 DEG C, and adding disperse dye and the residual leveling agent to prepare a dye liquor; carrying out heating and dyeing. The method aims at dyeing of a brightly colored superfine terylene fabric, and has the advantages the softening agent, the leveling agent and the expansive agent are added simultaneously, and the pH value of the dye liquor is regulated to 3.5-4.0, so that poor leveling property, uneven dyeing and other quality problems existing in a low-bath-ratio dyeing process can be solved; moreover, the dye-uptake rate of the disperse dye can be improved, secondary aggregation of the disperse dye in a high-temperature descending process is prevented, all color fastness indices of the superfine terylene fabric exceed 4-level, the dyeing property is improved, and the dyeing effect is ideal; the method further has the advantages of being environment-friendly and low in energy consumption.
Owner:PACIFIC (PANYU) TEXTILES LTD

Low-temperature dyeing process of fiber fabric

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.
Owner:绍兴洁彩坊印染有限公司

Reactive beta-cyclodextrin quaternary ammonium salt as well as preparation method and application thereof

The invention relates to reactive beta-cyclodextrin quaternary ammonium salt as well as a preparation method and application thereof. The reactive beta-cyclodextrin quaternary ammonium salt is synthesized through two steps, namely, step 1, taking beta-cyclodextrin, choline chloride and epoxy chloropropane as raw materials to be subjected a ring opening substitution reaction to generate beta-cyclodextrin quaternary ammonium salt; step 2, taking the beta-cyclodextrin quaternary ammonium salt and a compound as raw materials to be subjected to a substitution reaction to generate the reactive beta-cyclodextrin quaternary ammonium salt. The reactive beta-cyclodextrin quaternary ammonium salt has no toxic or side effect; when being used for salt-free dyeing of an active dyestuff of cotton fabric, the reactive beta-cyclodextrin quaternary ammonium salt has relatively good dyeing effect; the pollution to the environment by salt in wastewater is reduced and treatment pressure of dyeing and finishing wastewater is alleviated; the dyed fabric has relatively good dyeing effect; the dyeing rate of the active dyestuff is 65 percent to 85 percent and the color fixation rate is 55 percent to 70 percent; the dry rubbing fastness is more than grade 4 and the wet rubbing fastness is more than grade 3.
Owner:那坡同益新丝绸科技实业有限公司

Ultralow liquor ratio zipper dyeing machine and dyeing process thereof

InactiveCN103088574AHollow volume reductionReduced cavity cross-sectional areaPump componentsTextile treatment machine arrangementsPolymer scienceEngineering
The invention discloses an ultralow liquor ratio zipper dyeing machine and dyeing process thereof. The dyeing machine comprises a tube cylinder, a cylinder cover and a zipper warp beam plate frame embedded into the tube cylinder. The zipper warp beam plate frame comprises a zipper plate seat, a hollow water drum, a zipper woven belt, a zipper tube sleeve, a locking bolt, and a zipper frame lifting ring. The lower end of the hollow water drum is fastened on the zipper plate seat, the zipper tube sleeve is sleeved on the outer side of the hollow water drum, and a diversion inlet and a diversion outlet are arranged below the zipper plate seat and connected with an infusion pump through a horn-shaped pipe sleeve. The dyeing process comprises the stages of scouring and bleaching, dyeing and water scrubbing. According to the ultralow liquor ratio zipper dyeing machine and the dyeing process thereof, a lift range required by zipper woven belt dyeing water level can be achieved when the height of dye liquor in the dyeing machine is lower than the zipper plate seat, the effect of ultralow liquor ratio zipper dyeing is achieved, the dyeing machine has a lower dying liquor ratio than a traditional zipper dying machine, and the purposes of saving electric energy, steam and the dye liquor, shortening dyeing and finishing periods, and saving energy and reducing emission are achieved.
Owner:高勋绿色智能装备(广州)有限公司

One-bath processing method for pure-cotton knitted fabric scouring and bleaching and pigment dyeing

The invention relates to a one-bath processing method for pure-cotton knitted fabric scouring and bleaching and pigment dyeing, belonging to the technical field of textile dyeing and finishing. The process adopted in the invention comprises the following steps: (1) carrying out scouring and bleaching treatment on pure-cotton knitted fabric, wherein waste liquid discharge is not needed after the treatment is completed; (2) after the scouring and bleaching treatment is completed, adjusting the treating fluid to a certain condition, and then adding catalase, so that residual hydrogen peroxide is sufficiently decomposed; and (3) preparing a pigment dyeing solution by utilizing the residual fluid and dyeing the pure-cotton knitted fabric, adding a binding agent to the residual fluid after the dyeing is completed for fixation, and finally taking out the knitted fabric and carrying out dehydration, drying and curing treatment. According to the invention, two processes, namely pure-cotton knitted fabric scouring and bleaching and pigment dyeing, are combined and carried out in a same treatment bath, thereby not only ensuring the dyeing effect, but also repeatedly utilizing the scouring and bleaching residual fluid, and being remarkable in water-saving and energy-saving effects.
Owner:QINGDAO UNIV

Manufacturing technique of flour-linen jacquard interval fabric mesh cloth

The invention discloses a manufacturing technique of flour-linen jacquard interval fabric mesh cloth. The manufacturing technique comprises the first step of production and manufacturing of chemical fiber yarn, the second step of flower-type process design of the flour-linen jacquard interval fabric mesh cloth, the third step of weaving and manufacturing, and the fourth step of dyeing and finishing and sizing, wherein in the second step, the upper layer of the flour-linen jacquard interval fabric mesh cloth is knitted through the control of guide bar GB1 to guide bar GB3; the middle layer of the flour-linen jacquard interval fabric mesh cloth is knitted through the control of guide bar GB4; the lower layer of the flour-linen jacquard interval fabric mesh cloth is knitted through the control of guide bar GB5 and guide bar GB6. According to the flour-linen jacquard interval fabric mesh cloth prepared through the manufacturing technique, distortion or deformation of the flower-type are not easily caused, the precision of the flower-type is high, the stability is good, after dyeing treatment of half matt gloss polyester yarn and terylene CD yarn on the upper layer of the mesh cloth, the surface of the finished product mesh cloth presents an effect of two-tone flour-linen, dyefastness is good, and a very good overall dyeing effect is achieved.
Owner:SINCETECH FUJIAN TECH CO LTD

Cheese dyeing machine

The invention discloses a cheese dyeing machine which comprises a dyeing groove and a liquid storage groove. The cheese dyeing machine is characterized in that the cheese dyeing machine further comprises a bobbin creel, a cheese, a circulating pump, an automatic circulating reversing device and a liquid feeding pump, the dyeing groove is internally provided with the bobbin creel, the cheese can be arranged on the bobbin creel, the liquid storage groove is connected with the liquid feeding pump through a pipe, the liquid feeding pump is connected with a forward flowing opening of the circulating pump through a liquid inlet pipe. The circulating pump is connected with a dyeing groove liquid inlet through a pipe. A dyeing groove liquid outlet is connected with a reversing flowing opening of the circulating pump through a pipe. The circulating pump is connected with the liquid feeding pump through a liquid outlet pipe. The automatic circulating reversing device is connected with the circulating pump and used for controlling shifting of the flowing direction of the circulating pump. The cheese dyeing machine solves the problems that dyeing liquid of a dyeing machine can only flow in one direction, the dyeing effect is poor, residues in the dyeing liquid cannot be discharged out of the dyeing groove, and later processing is affected and is simple in structure, convenient to use and capable of flowing in a bidirectional mode and removing the residues in the dyeing liquid.
Owner:高雅

Preparation of anthocyanin dye and application of anthocyanin dye in cellulosic fiber fabric dyeing

The invention discloses a preparation method of a natural anthocyanin dye. The preparation method comprises the following steps: pounding the plant raw material containing anthocyanin pigment to form plant raw material slurry; adding acidified ethanol water into the plant raw material slurry, and carrying out ultrasonic extraction; adding petroleum ether with the same volume into the obtained anthocyanin extracting solution; carrying out reduced pressure distillation on the ethanol water layer obtained through liquid separation, so as to obtain a natural anthocyanin dye concentration solution. The invention further provides a method for dyeing fabric through the natural anthocyanin dye prepared through the method. The method comprises the following steps: carrying out modification treatment on the cellulosic fiber fabric; weighing the natural anthocyanin dye concentration solution with the weight 2-20% of that of the fabric; weighing a metal mordant with the weight 2-10% of that of the fabric; adding water to form dye liquor with the bath ratio of (1: 50)-(1: 100); after wetting the modified fabric with warm water, dyeing for 60-90 minutes at the temperature of 40-80 DEG C; after dyeing, taking out the fabric, washing, and drying at the temperature of 45-55 DEG C.
Owner:ZHEJIANG SCI-TECH UNIV

Dyeing processing technology of polylactic acid fiber shuttle looms cloth

The invention relates to a dyeing and processing technique for polylactic acid fiber woven fabric, belonging to the technical field of dyeing of textiles. Pure PLA fiber woven fabric or PLA fiber/cotton mixed woven fabric completing preprocessing and dyeing liquor are put into an overflow dyeing machine, temperature rises to 70 DEG C plus or minus 5 DEG C and then rises to 85-95 DEG C at a rate of 1-2 DEG C/min, the temperature is maintained for 5-10 minutes; if the fiber woven fabric is dyed in medium and light colors, then the temperature keeps rising to 95-105 DEG C at a rate of 1-2 DEG C/ min, the temperature is maintained for 30-45min; if the fiber woven fabric is dyed in dark colors, the temperature rises to 110-120 DEG C at a rate of 1-2 DEG C/ min, the temperature is maintained for 45-60min and then lowered to 60-70 DEG C for soaping; at the temperature of 40 DEG C plus or minus 5 DEG C, reactive dyes and sodium sulphate are continued to be added to PLA fiber/cotton mixed woven fabric, then the temperature is maintained, afterwards, calcined soda is added when the temperature rises to 60 DEG C at a rate of 1-2 DEG C/ min, the temperature is lowered for washing after being maintained for 30 plus or minus 5min. The technique features reasonable design, simple and convenient operation and can effectively reduce dosage of addition agent and environmental pollution.
Owner:CHINA TEXTILE ACAD JIANGNAN BRANCH

Method for dyeing aramid fiber without carrier

The invention relates to a method for dyeing aramid fiber without a carrier, belonging to the technical field of spinning, printing and dyeing. The method comprises the following steps of: preparing a dyeing bath: injecting water into a dyeing container, controlling the bath ratio, adding 0.01-15% (by o.w.f) of dye and 5-20g/L of a levelling agent into the dyeing container, and adding a buffering agent to adjust the pH value to 4-6; and dyeing: soaking the aramid fiber into water, removing the water in the aramid fiber, putting the aramid fiber in the dyeing bath, putting the dyeing container into a dyeing machine to dye, controlling the dyeing temperature, time and pressure of the dyeing machine, taking the dyeing container out of the dyeing machine, taking the aramid fiber out of the dyeing container, and washing with water, cleaning by reducing, washing with water and drying in sequence to obtain the dyed aramid fiber. Because the dyeing bath is prepared reasonably, the aramid fiber is soaked before being introduced into the dyeing bath, is dried after being soaked and is dyed under the set dyeing temperature, time and pressure, the defect of using the carrier in the prior art is avoided. The method can not cause pollution to the environment and achieves an ideal aramid fiber dyeing effect, and the aramid fiber dyeing cost is reduced due to the adoption of the method.
Owner:CHANGSHU BAOFENG SPECIAL FIBER +1

Anti-attenuation fungal fluorescent dyeing liquid and preparation method thereof

The invention discloses an anti-attenuation fungal fluorescent dyeing liquid and a preparation method thereof. Wherein the components of the anti-attenuation fungal fluorescent dyeing liquid include:a fluorescent agent, a solubilizing agent, a penetrating agent, a background dye, an anti-fluorescent attenuation agent, a stabilizer, and deionized water. According to the anti-attenuation fungal fluorescent dyeing liquid and the preparation method thereof, each component is stabilized in a solution system, and filtered by a cellulose membrane, all kinds of minute impurities are effectively removed, thereby having an effect of long-term storage without crystallization and having the advantages that the fungal fluorescence mark and the background dyeing are synchronously carried out in a few seconds; the anti-attenuation fungal fluorescent dyeing liquid does not need to be operated in a dark room, the performance is relatively stable, and has the characteristics of convenient operation, short dyeing time, long attenuation time, high efficiency, comprehensive use range, high observation clarity, good specificity and accurate detection result, and has a good clinical application prospect.
Owner:THE THIRD AFFILIATED HOSPITAL INST OF FIELD SURGERY OF PLA ARMY MEDICAL UNIV

Environment-friendly efficient chemical fiber fabric printing and dyeing equipment and process

The invention relates to the technical fields of textile fabric printing and dyeing, in particular to environment-friendly efficient chemical fiber fabric printing and dyeing equipment and process. The environment-friendly efficient chemical fiber fabric printing and dyeing equipment comprises a bottom plate, a drying box and a wind-up roller, wherein two rotating supports are arranged at the right end of the upper surface of the bottom plate; the wind-up roller is rotatably arranged on the two rotating supports; a winding motor is arranged on one rotating support; and an output shaft of the winding motor penetrates through the rotating support to be connected with the end face of the winding roller. When an atomizer sprays, dyes and colors the upper surface of chemical fiber fabric, a negative pressure exhaust fan draws the interior of a case to a negative pressure state, so that a pressure difference is formed between the upper space and the lower space of the chemical fiber fabric,dye liquor sprayed on the chemical fiber fabric accelerates to permeate from the upper surface of the chemical fiber fabric to the lower surface of the chemical fiber fabric under the action of negative pressure, the quality problem caused by large chromatic aberration difference between a spray dyeing surface and a back surface due to poor penetration effect of the chemical fiber fabric in existing fabric printing and dyeing equipment can be effectively solved, and the dyeing effect is excellent.
Owner:绍兴水乡纺织科技有限公司
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