179results about How to "Saving dye" patented technology

The invention discloses a preparation method of easy-dyeing microfiber leather.The preparation method comprises the steps that 1, sea-island fibers are spun; 2, a non-woven fabric is made from the sea-island fibers; 3, heat setting is conducted on the non-woven fabric; 4, a polyurethane sizing agent is impregnated and cured, and then semi-finished synthetic leather is prepared; 5, decrement is conducted on the unfigured sea-island fibers through a methylbenzene stripping technology or decrement is conducted on the figured sea-island fibers through an alkali decrement stripping technology, and superfine fiber synthetic leather can be prepared; 6, softening treatment and sueding treatment are conducted, and then synthetic leather to be dyed can be prepared after treatment is finished; 7, the synthetic leather to be dyed is dyed with dispersed dye liquid or cationic dye liquid, and after dyeing is finished, the easy-dyeing microfiber leather is obtained.The easy-dyeing microfiber leather product prepared through the method has the advantages of being high in fiber content, skeleton sense and environmental friendliness, excellent in drapability and high in dyeing fastness.

The invention relates to a new process of supercritical CO2 dyeing of ramie fiber, using ramie fiber as raw material, swelling by NaOH solution and modifying by benzoyl chloride, and dyeing with dispersive dye in supercritical CO2 medium by supercritical fluid technique. And its advantages: it is a clean producing process; the dyed ramie fiber has characters of bright color, short dyeing flow, dyeing uniformity, good color intensity, low synthetic cost, and remarkable economic and environmental protection benefits. And it also reveals a process device implementing the dyeing method, suitable to spread and apply in spinning and weaving, and printing and dyeing enterprises.

The invention relates to sodium alga acid printing paste, comprising the following components in percent by weight: 60-90% of sodium alga acid, 5-15% of sodium hexametaphosphate and 5-25% of anhydrous sodium sulphate. The preparation method of the sodium alga acid printing paste comprises the following steps of: (1) weighing sodium alga acid, sodium hexametaphosphate and anhydrous sodium sulphate in the proportion of a formula; (2) smashing the sodium alga acid to 30-40 meshes; (3) placing smashed sodium alga acid, sodium hexametaphosphate and anhydrous sodium sulphate into a mixing tank to be stirred; and (4) stirring to be completely uniform, thus the sodium alga acid printing paste finished product is obtained. The sodium alga acid printing paste disclosed by the invention has the beneficial effects that (1) sodium carboxymethyl starch having adverse effects on colouring is removed, and anhydrous sodium sulphate which can activate active groups in dye and has high colouring rate is adopted; and (2) sodium hexametaphosphate can cause calcium ions or magnesium ions in water to enter into sodium hexametaphosphate molecules to be changed into stable soluble complex, thus permeability of the printing paste is improved, colour fastness is improved, and the dye can be saved.

The invention discloses a moisture-absorbing quick-drying yarn as well as a production and manufacturing method thereof. The yarn is manufactured by the blending of 65 to 80% of anti-pilling hollow highcount-type wool fiber and 20 to 35% of combed cotton or viscose in percentage by weight. By combining the high moisture thermal insulation of the Porel fiber and the hydrophilic moisture absorption of the cotton fiber and the viscose, the yarn of the invention can absorb the sweat completely and release the sweat to the air quickly to realize the dry and comfortable skin. The raw materials of the yarn are easy to obtain, the cost is low and the manufacture is convenient.

The invention relates to a dyeing method for improving the dip-dye color depth of an active dye fabric, which includes: (1) when dyeing is started, adding the fabric, salt and a fixing agent, alkali, into a dye bath at the constant temperature of 40 to 90 DEG C to be operated for 10 to 30 minutes to lead the fabric to uniformly absorb the salt and alkali agent; (2) then using a continuous liquid adding device to add the dye slowly for 30 to 90 minutes, then continuously dying for 15 to 30 minutes; (3) after dyeing is finished, the fabric is washed by water, washed by soap, washed by water and then dried. The invention can acquire the color deeper than that of a normal technique, can remarkably save the dye, reduce the discharging of contaminations and is suitable for the developing direction of ecological energy-saving dyeing technique. The dyeing method is suitable for the dyeing of the fiber woven fabric and the knitting of fibrin such as cotton poplin, khaki and knitting, etc. The effect is extremely remarkable when dyeing a dark color.

Formulations of sparingly water-soluble active ingredientscomprising carrier particles provided with active ingredient-containing coatings, the sparingly soluble active ingredients being embedded in coatings composed of amphiphilic copolymers, and the coatings being applied in the form of a solvent-free melt.

The invention relates to a top grade environmental protection knitting resilience outside material and the technology to manufacture. The invention adopts contexture that is made up from urethane elastic fiber thread and environmental protection fiber yarn, and the content of urethane elastic fiber is over 4%. The manufacturing process is the following steps: urethane elastic fiber transmitting machine and great circle machine weaving, dry split opening, Santex typesetting machine original forming, inhalator dyeing, high frequency oscillating drying process, and Santex typesetting machine final forming. The outside material has advantage of good elasticity, thin grain, and soft handle.

The invention relates to super cotton-like cashmere double-side fabric. The super cotton-like cashmere double-side fabric is characterized by being made of supercool/cotton blended yarn, cotton/cashmerino blended yarn, and mercerized gassed woolen yarn. The super cotton-like cashmere double-side fabric is in double-side weave; warps are made of 7.3tex Supercool/cotton blended yarn; and accordingly the whole cover of the fabric reveals no warp but weft, the weft front side of the fabric is made of 18.2tex mercerized gassed woolen yarn, and the weft reverse side is made of 18.2tex cotton/cashmerino blended yarn. Super cotton-like fiber is high in strength, wear-resistant, highly breathable, antistatic, wrinkle-resistant, and as warm as cashmerino. With perfect combination of wefts and warps by the special double-side weave, the fabric looks and feels different on two sides.

The invention provides a non-aqueous solvent cold pad batch dyeing method of reactive dye. The method comprises the steps of curing and drying the pad batch alkali liquor of the textile; pad dyeing the textile; yarding the pad dyed textile products in the saturated vapor atmosphere of reactive dye poor solvent; curing and drying the yarded textile products, and finishing the non-aqueous solvent cold pad batch dyeing of the reactive dye; or, conducting cationicm odification to the textile; curing and drying the pad batch alkali liquor of the textile; pad dyeing the textile; yarding the pad dyed textile products; curing and drying the yarded textile products; and finishing the non-aqueous solvent cold pad batch dyeing of the reactive dye. The method can achieve the salt free shade dyeing for the reactive dye, the dyeing fixation rate is high, the use amount of the organic solvent and water is low, the energy consumption is low, and the amount of discharged waste water is less.

The invention provides an active dye non-aqueous solvent dyeing method without wet post-treatment. The method comprises the following steps: carrying out cation modification on a cotton textile; mixing the modified cotton textile with an active dye and a good solvent of the active dye; heating to a dyeing temperature at a speed of 1 DEG C/min and dyeing; adding a poor solvent of the active dye in the heating process and preserving heat for a period of time, wherein the volume ratio of the good solvent of the active dye to the poor solvent of the active dye is 1 to (3-20) and the mass ratio of the good solvent of the active dye to the cotton textile is (2-50) to 1; and drying the cotton textile to finish dyeing, wherein the good solvent of the active dye is a non-aqueous solvent which can be used for dissolving the active dye but is not subjected to a chemical reaction with the active dye, and the poor solvent of the active dye is a non-aqueous solvent which cannot be used for dissolving the active dye and is not subjected to a chemical reaction with the active dye. The active dye non-aqueous solvent dyeing method provided by the invention has a high fixation rate and does not need a wet post-treatment step.

The invention provides a cotton yarn dyeing process, and belongs to the technical field of dyeing treatment. A method for dyeing cotton yarns used for weaving a jean fabric comprises the following steps: a, preparing the cotton yarns; b, performing surface treatment on the cotton yarns; c, rinsing the cotton yarns for the first time; d, rinsing the cotton yarns for the second time; e, dyeing the cotton yarns; f, drying the cotton yarns; and g, rolling up the cotton yarns. The cotton yarn dyeing process disclosed by the invention has the advantage of capability of dyeing the cotton yarns used for weaving the jean fabric more effectively.

The invention provides a dye vat with a waste liquid treatment device. The dye vat with a waste liquid treatment device comprises a rack and a vat body; the vat body comprises an inner vat and an outer vat; the inner vat is covered with an inner cover, and the outer vat is covered with an outer cover; a cycling containing chamber is formed between the inner vat and the outer vat; the bottom of the cycling containing chamber is provided with a cycling water pump; the side wall of the outer vat is connected with a water inlet pipe; a heat exchanger is placed inside the inner vat; the heat exchanger is connected with a cycling heat exchange system through a pipeline; a vibration disk is installed under the outer vat; the vibration disk is provided with multiple vibration poles; the vibration poles are provided with compression springs therein; vibration balls are supported on the tops of the compression springs; the vibration balls are exposed from the top openings of the vibration poles; the tops of the vibration balls are in touch with the bottom of the outer vat; a rotating seat is installed under the outer vat; the inner vat is also connected with a waste liquid treatment device. By means of the dye vat with a waste liquid treatment device, dying can be carried out more efficiently and waste water produced from dying can be treated.

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 relates to a non-woven fabric dyeing device, in particular to a non-woven fabric dyeing device for garment production. The technical problem to be solved by the invention is to provide a non-woven fabric which is convenient to take and dye and the non-woven fabric dyeing device for garment production which enables the woven-woven fabric to be dyed uniformly. In order to solve the problem, the non-woven fabric dyeing device for garment production provided by the invention comprises a dyeing box, a first sliding rail, a first sliding block, a lifting mechanism, first connecting rods and the like; the inner right wall of the dyeing box is connected with the first sliding rail, the first sliding rail is connected with the first sliding block; the inner left wall of the dyeing box is connected with the lifting mechanism, the lifting mechanism and the first sliding block are respectively connected with the first connecting rods, and each first connecting rod is connected with a first bearing seat. According to the non-woven fabric dyeing device for garment production designed in the invention, the device is provided with the lifting mechanism, so that a roller can move up and down, undyed non-woven fabric is conveniently to add and dyed non-woven fabric is convenient to take.

The present invention relates to a fixation coupling agent. It is made up by using trimethylamine, hydrochloric acid, epichlorohydrin, and cyanuric chloride and hexamethylene diamine through the processes of neutralization, quaternization and polymerization.

The invention discloses a cloth printing, dyeing and drying device for textile. The cloth printing, dyeing and drying device for textile comprises a base and cloth, wherein a cloth outlet roll and a cloth feeding roll are rotatably arranged on the left side and the right side of the top of the base through supports separately; the cloth feeding roll is driven by a gear motor which is positioned onthe front side of the cloth feeding roll; a printing and dyeing box is further fixedly arranged on the top of the base and is positioned between the cloth outlet roll and the cloth feeding roll; a cover plate is fixedly arranged on the top of the printing and dyeing box through bolts and nuts; a first guiding roll is rotatably arranged on the left side of the top of the cover plate through a support; a third guiding roll is further rotatably arranged on the top of the cover plate through a support; a left second guiding roll and a right second guiding roll are rotatably arranged in the printing and dyeing box in the front-back direction; two ends of the cloth are separately wound on the cloth outlet roll and the cloth feeding roll; the cloth is wound through the first guiding roll, the second guiding roll and the third guiding roll separately; and a cloth opening for cloth to penetrate through is formed in the cover plate. In a printing and dyeing process, cloth cannot be messy; afterprinting and dyeing, the cloth is reeled directly; and the smoothness of the cloth is good.

The invention relates to a technique for dyeing silk fabrics by a cotton reactive dye. The technical problem to be solved is that the technique needs to dye silk fabrics by the cotton reactive dye effectively, has the characteristics that the dye uptake is high, the fixation ratio is high, the color depth of the product is increased greatly, the coloring matter is saved and the dyeing quality is high; moreover, the residual liquid discharge concentration is decreased and the environment is protected. The technical proposal is to adopt the cotton reactive dye for dyeing silk fabrics and has the following steps that: 1) the silk broadcloth after the pre-treatment is placed into a dye vat, a dye solution is prepared and is added into the dye vat to dye, the dye solution has a pH value ranging from 6.5 to 7.5, the dye temperature ranges from 85 to 98 DEG C, the dye time lasts one to two hours; 2) the dye residual solution is discharge partially or completely, clear water is added, the temperature is adjusted to 50 to 60 DEG C; 3) certain amount of ammonium polycarylate is added to fix the color, the pH value is kept to be 9 to 10, the fixation time lasts one to two hours, the temperature of the clear water ranges from 4 to 20 DEG C.

The invention discloses a process for dyeing cellulose fiber and fabrics blended by the cellulose fiber by using reactive dye, which adopts small bath ratio, multiple impregnation, and batch feeding to achieve the effect of even dyeing, mildly adds alkali for color fixation at low temperature, then uses a cold pad-batch mode to remedy the disadvantage of color fixation in a machine, fully ensures that the reactive dye is bonded with fiber, and greatly reduces hydrolysis reactions of the dye. The process has the advantages of reducing the pollution, saving energy sources and improving the benefit.

The invention discloses a production technology of low-twist yarn. The production technology comprises the steps of cotton selection, fore-spinning and post-spinning, wherein the fore-spinning processcomprises the steps of blowing, carding, drawing and roving, and the post-spinning process comprises the steps of spinning and winding. According to the production technology of the low-twist yarn, through selection control on raw materials, optimized configuration on the fore-spinning process, false twist treatment on the spinning step and vacuum low-temperature steam yarn shaping treatment on yarn fruits, the problems of more broken ends in weaving, deterioration of quality indicators, difficulty in spinning and the like caused by reduction of yarn twist in the prior art can be effectivelysolved.