85results about How to "Reduce dyeing process" patented technology

The invention aims to provide high-temperature resistant flame-retarding textile. The high-temperature resistant flame-retarding textile is weaved by high-temperature resistant flame-retarding yarns, and the high-temperature resistant flame-retarding yarns are blended with preoxidized fibers, high tenacity flame-retarding fibers and common flame-retarding fibers; and conducting fibers can also be used to weave the high-temperature resistant flame-retarding textile when the high-temperature resistant flame-retarding textile is prepared. The high-temperature resistant flame-retarding textile overcomes the drawback that the preoxidized fiber is difficultly spun, low in tenacity and only has single color of blackness; and the high-temperature resistant flame-retarding textile also has the advantages of high high-temperature resistance, high tenacity, good wearing comfortability, rich color, proper price and safety and reliability for the human body and is reasonable high-temperature resistant flame-retarding textile.

The invention provides an efficient and continuous dyeing process method for textile fabric through wet-state steaming, which belongs to the fabric dyeing method. The process method comprises the following steps in sequence: fabric soaking in dyeing solution, bake-steaming for color fixation, water washing and drying and feeding. During the drying and feeding procedure, the humidity of mixed gas in the reaction steam box is 25-35 percent, the temperature of the mixed gas is 120-130 DEG C, the air volume of the mixed gas is 4m3 / s, and the processing time is 2-3 minutes; the saturated vapor pressure is 0.15-0.2MPa; and during the water washing procedure, the content of the water softener B in lotion is 2-3g / L, and the rest is water. The dyeing process method shortens the process flow, thereby not only improving the production efficiency, but also saving the energy. In addition, compared with the traditional dyeing process, the dyeing process method has the advantages of high color fixing speed, high color fixing rate, bright color, no dye transfer, low alkali consumption, good reproducibility, good levelness, good penetration and the like. Therefore, the invention can be used for obtaining good washing-resistant and friction-resistant fastness.

The invention relates to a one-bath dyeing process for yarns and fabrics prepared by blending, doubling and interweaving cationic modified polyester and polyester, and belongs to the technical field of yarn and fabric dyeing processes. The process comprises the following steps: putting yarns or fabrics containing cationic modified polyester or polyester into a dye vat, heating in water, adding a water-absorbing quick-dry agent, a dispersing and leveling agent and glacial acetic acid for uniformly rotating; adding disperse dyes for uniformly rotating, adding an anti-settling agent for uniformly rotating, adding cationic dyes, heating to the temperature of 80+ / -2 DEG C at a speed of 1-1.5 DEG C per minute after uniform rotating, maintaining the temperature for 8-12 minutes, heating to the temperature of 100+ / -2 DEG C at a speed of 0.5-1 DEG C per minute, heating to the temperature of 130+ / -2 DEG C at a speed of 1.5-2 DEG C per minute, maintaining the temperature for 55+ / -5 minutes, cooling to 80 DEG C or below and draining, performing hot washing, soaping, washing and softening. According to the invention, the dyeing time can be reduced, the production efficiency is improved, pollution discharge is reduced, and the dyeing cost is reduced.

The invention discloses a polyester-cotton disperse dye, and a reactive dye one-bath process dyeing method. The reactive dye one-bath process dyeing method comprise following steps: a dyeing solution is prepared at normal temperature; pH value of the dyeing solution is adjusted to 4 to 6; polyester-cotton fabric is immersed; the temperature is increased to 95 to 105 DEG C at a rate of 2 to 3 DEG C / min, and then is increased to 130 to 150 DEG C at a rate of 1 to 2 DEG C / min; suction filtration of the dyeing solution and isolation of disperse dye microcapsules are carried out, and continuous dyeing is carried out for 15 to 25min; the temperature is reduced to 85 to 95 DEG C at a rate of 1.5 to 2.5 DEG C / min; and primary water washing, soaping, afterwashing, and drying are carried out. The dyeing solution comprise, 0.5 to 1.5%owf of a reactive dye, 30 to 40g / L of anhydrous sodium sulfate, 1.5 to 3.5g / L of a pH buffering agent, 0.5 to 5%owf of disperse dye microcapsule, and 0.1 to 3g / L of a dyeing auxiliary. The reactive dye one-bath process dyeing method is simple; period is short; fixation rate is high; and levelling properties are excellent.

The invention discloses a polyester-cotton microcapsule disperse reactive dye one-bath dyeing technology. The technology comprises the steps of: S1, polyester dyeing: dipping a to-be-dyed polyester-cotton fabric in a dye solution containing microcapsule disperse dye, conducting heat preservation at 65-75DEG C, then performing heat preservation at 110-130DEG C, and carrying out cooling to 30-40DEG C, using chitosan to serve as the carrier of the disperse dye, and then conducting crosslinking curing; S2. cotton dyeing: adding a quaternary ammonium salt cationic etherifying agent, carrying out stirring reaction, then adding a reactive dye, performing heat preservation at 55-65DEG C, adding an organic solvent, conducting heat preservation at 70-90DEG C, then adding organic amine and sodium carbonate, and performing heat preservation at 60-100DEG C; and S3, aftertreatment: performing cooling to room temperature, and then carrying out primary washing, soaping and after-washing. The polyester-cotton microcapsule disperse reactive dye one-bath dyeing technology provided by the invention has the advantages of simple process, little pollution, wide dye applicability, uniform coloring, high color fixation rate and good level-dyeing properties.

The invention relates to a preparation method and application of a dyeing promoter. The invention aims to provide a method for preparing a promoter, which can carry out cation modification on natural fibers like cotton and silk, and provides a technology for modification of natural fibers by employing the above mentioned dyeing promoter. A technical scheme is as below: a preparation method of a polypichlorohydrin amide dyeing promoter is carried out according to the following steps: 1) synthesis of polypichlorohydrin; and 2) synthesis of the polypichlorohydrin amide dyeing promoter. The method for modification of natural fibers by employing the polypichlorohydrin amide dyeing promoter is carried out according to the following steps: preparing a modification liquid according to the scheme, and placing the modification liquid in a constant temperature water-bath pan for oscillation; and adding a natural cellulose fabric into the modification liquid, and taking out and washing the fabric; or preparing a modification liquid according to the scheme, and placing the modification liquid in a constant temperature water-bath pan for oscillation; and adding a natural silk fabric into the modification liquid, and taking out and washing the fabric.

The invention provides a production process of wool terylene blended smooth double-faced woolen goods. The production process of the smooth double-faced woolen goods includes the steps: sufficiently mixing wool fibers and terylene fibers; spinning the mixed wool fibers and terylene fibers into yarns of 13 / 1 metric number by an open-end spinning frame; weaving the spun yarns on a rapier loom; performing edge sewing, fulling, scouring, dewatering, drying, decating, teasel raising, drying, anti-shrinking finishing, dyeing, softening finishing, scalding, cutting, decating and the like on a woven gray fabric to prepare a finished product. The total number of warp yarns is 6100-6300, the acting reed width is 195-200cm, porter / permeating number is 35 / 9, weft density is 285-290 yarns / 10cm, and theweight of a fabric billet is 930-950g / m<2>. The fabric is fine, smooth and soft in hand feeling, compact in texture, bright in color and high in color fastness and does not easily felt after being washed with water.

The invention relates to a dye composition which is one or more than two mixtures selected from a general formula (I)-(III), or is one or more than two mixtures selected from a general formula (IV)-(V), or is one or more than two mixtures selected from a general formula (VI)-(IX), or is one mixture selected from a general formula (I)-(III) and one mixture selected from a general formula (IV)-(V), or is one mixture selected from a general formula (I)-(III) and one mixture selected from a general formula (VI)-(IX). According to the method, the dye color spectrum for dyeing is enlarged under the condition of dispersed dyes alkaline, dyeing manufacture of polyester fiber fabric of short process is realized, two processes of desizing and dyeing for original polyester fiber fabric are combined into one process, so that a large amount of water resource is saved, a plurality of washing processes are reduced, the energy consumption is lowered, and the limitation of dispersed dyes alkaline application is completely broken through.

The invention discloses a recycling dyeing process of polyester fabric printing and dyeing wastewater, the printing and dyeing wastewater is directly completely used as dyeing water for a polyester fabric, wastewater treatment agent WFS088, surfactant WFS099, dyeing auxiliaries and dyes are added during dyeing, the polyester fabric is put into a dyeing machine, the dyeing machine runs for 15-20min at process temperature of 110 to 130 DEG C under thermal insulation condition, the polyester fabric is cooled to 70 to 80 DEG C by a heat exchanger in the speed of 1 to 2 DEG C / min, after color comparison, the polyester fabric is directly discharged without cleaning, and dehydrated for completion of dyeing of the polyester fabric and recycling of the printing and dyeing wastewater. According to the recycling dyeing process of the polyester fabric printing and dyeing wastewater, the printing and dyeing wastewater is revolutionarily directly recycled in the dyeing process repeatedly, initial dyeing temperature is high, cloth washing and postprocessing are not needed, the dyeing process is greatly shortened, energy is greatly saved, production capacity is improved; dyeing water consumption and wastewater emission can be greatly reduced, sewage treatment cost is reduced, and dyeing production efficiency and benefit can be reduced.

The invention discloses a method for one-bath dyeing on a nylon / cationic dyeable polyester / polyester fabric, wherein the method comprises the following steps: 1, dipping a fabric in a pretreatment liquid, treating for 20 min-60 min, and then pickling; 2, dipping the fabric obtained after pretreatment in a dyeing liquid containing a polyester whitening agent, a cationic dye and an acidic dye, dyeing for 30 min-60 min at the temperature of 110 DEG C-130 DEG C, then cooling to 60 DEG C or less, and discharging the liquid; and 3, firstly, washing the dyed fabric with water at room temperature, discharging the liquid, and then carrying out acidic color fixation. According to the method, by choosing the suitable polyester whitening agent, cationic dye and acidic dye, one-bath dyeing on the nylon / cationic dyeable polyester / polyester fabric can be achieved, the dyed fabric is free of defects such as dyeing defects, color spots and the like, the washing color fastness and the friction color fastness are both relatively high, the quality is relatively good, moreover, the dyeing process flow is shortened, the damage to fibers is reduced, and thus the energy consumption is reduced.

The invention relates to a brocade cotton fabric short-process dyeing method, and belongs to the technical field of printing and dyeing in the textile manufacturing industry. The method includes subjecting brocade cotton fabric to pretreatment to remove oil stain and impurities and to improve handfeel and gloss; adding an active dye into an air flow cylinder to prepare into a dyeing solution; dyeing by adoption of a one-bath two-step method that includes acid dyeing and alkaline fixation; and after the dyeing step is finished, washing, soaping and airing to obtain a finished product. The method has advantages of uniform dyeing, good homochromatism, and the like when being used for air flow cylinder dyeing of the brocade cotton fabric such as brocade cotton intertexture.

The invention relates to a modifying and dyeing process of a cotton fabric. The process comprises the following steps: (1) modifying the cotton fabric, namely placing the cotton fabric in a modifying liquid containing a modifier and sodium hydroxide with the bath ratio of 1:20; dipping at a certain temperature for a certain time; taking out the fabric; flushing the fabric by running water for 5-6 minutes; carrying out acid washing on the fabric; then, washing the fabric till the fabric is neutral; naturally airing the fabric; (2) dyeing, namely preparing dye liquor by a certain amount of dyes; heating the dye liquor to 50 DEG C and placing the cotton fabric in the dye liquor; adjusting the pH; heating at a speed at 2 DEG C / minute to a certain dyeing temperature; maintaining the constant temperature; dyeing for a certain time, then cooling to the room temperature; washing by water and airing. The process provided by the invention has the beneficial effects that the cationic modification is carried out on the cotton fabric, so that the physical property and the chemical property of the cotton fiber are changed, thereby further changing the dyeing property of the cotton fabric; finally, the cotton fabric blended with wool fibers is dyed by using one bath process, so that the dyeing process flow is shortened, and the production efficiency is improved.

The invention relates to a production method for desizing and bleaching of a piece of grey cloth , which comprises the followings steps: feeding, prebleaching, preheating, bleaching, heating, and discharging, and has the advantages that the grey cloth is subjected to feeding, prebleaching, preheating, bleaching, heating, and discharging in sequence for production, and desizing and bleaching of the grey cloth are completed through a decolorizer I and a decolorizer II, so that the dyeing process can be effectively shortened, the fabric cleanliness is improved, wastewater treatment cost and wastewater discharge are effectively reduced, and the consumption of water, electricity, steam and coal is saved, so as to reduce the manufacturing cost.

The invention discloses a production method of a heat-accumulation and heating core-spun double-layered-structure yarn warm-keeping woven fabric. The production method comprises the following steps: selecting fiber raw materials; selecting specifications of yarns; designing the heat-accumulation and heating core-spun double-layered-structure yarn warm-keeping woven fabric; carrying out a production process flow of the woven fabric. The heat-accumulation and heating core-spun double-layered-structure yarn warm-keeping woven fabric disclosed by the invention has a triple warm-keeping function of heat-accumulation and heating fibers, inner hollows parts of double-layered-structure yarns, double-faced fabrics and the like; if chemical fiber filaments used as core yarns have hollow parts, the warm-keeping woven fabric has a quadruple warm-keeping function of the heat-accumulation and heating fibers, the inner hollows parts of the double-layered-structure yarns, the hollow chemical fiber filaments, the double-faced fabrics and the like, so that the warm-keeping effect of the woven fabric is extremely improved under the condition that the thickness is not increased.

The directly blending rose dye in the shown chemical structure is prepared through the technological process including the first condensation reaction, aniline diazoniation, coupling reaction, the second condensation reaction and the third condensation reaction. The directly blending rose dye contains no carcinogenic chemical, and may be used in dyeing cellulose, polyester / cotton blended fiber, and polyester / viscose blended fiber. It has the advantages of reduced dyeing steps, shortened dyeing time, reduced dyeing waste water exhaust, lowered dyeing power consumption, lowered dyeing cost, increased dyeing yield.

This invention relates to a reaction kettle colored chitose fiber production, which has following steps: during the dissolving of the colored chitose fiber spinning material, adding the dyestuff into the reaction kettle according to a certain proportion, then stirring the solution to make it into colored spinning slurries, and then through filtering, spinning, drawing-off, washing and drying the material becomes colored fiber. This invention is applied in large-scale production, and the operation method is simple.

The invention discloses a one-bath agent for a reactive dye and a disperse dye used in dyeing. The one-bath agent comprises the following components in percentage by mass: 50%-60% of pectinase, 35%-45% of cellulase, 3%-8% of surface active agent, 2%-3% of reactive dye protective agent, 1%-2% of alkaline fixing agent and 1%-2% of preservative. The one-bath agent for the reactive dye and the disperse dye used in dyeing has the advantages that the disperse dye and the reactive dye can be fully fused, fusing time is shortened, steps and time consumption of dyeing are reduced, the yield is increased, the production cost is reduced, and an environmental-friendly disperse and reactive dye one-bath agent and dyeing technique are obtained.

The invention discloses a method for producing recycled cotton fabrics from leftover materials. The method includes the following steps: S1, classifying and collecting the leftover materials; S2, slitting the leftover materials into cloth strips, and subjecting the cloth strips to opening and dedusting to obtain cotton bulk fibers; S3, sequentially subjecting the cotton bulk fibers to carding, drawing and spinning to obtain recycled cotton yarns; S4, weaving the recycled cotton yarns into the recycled cotton fabrics. The method has the advantages that the recycled cotton fabrics are obtained by classifying, collecting, slitting, opening, impurity removing, carding, spinning and weaving raw materials, namely the leftover materials produced after garment manufacturing, so that industrial recycling of the leftover materials is realized, and the consumption of new cotton materials in fabric production is reduced; the recycled cotton fabrics prepared from the leftover materials through cotton assorting are correspondingly heather grey, and colored fiber flocks form a unique color point style on the cloth surface; a fabric dyeing process is omitted from production engineering of the recycled cotton fabrics, the market price of the products is 120% of that of ordinary grey products, and accordingly, the economic benefit is good.

The invention discloses a cationic binder emulsion for pigment dyeing as well as a preparation method and application thereof. The binder emulsion is generated by carrying out reaction on the following components: a soft monomer, a hard monomer, a cross-linking monomer, a cationic monomer, a comonomer, a composite emulsifier of a cationic surfactant and a nonionic emulsifier and an initiator. Thepreparation method comprises the following steps of adding a mixture of the soft monomer, the hard monomer and the cross-linking monomer and an initiator aqueous solution into the emulsifier and distilled water for reaction, carrying out rapid heating, rapidly adding the comonomer, carrying out rapid cooling, adjusting the pH value, carrying out cooling, carrying out heat preservation reaction, and carrying out filtering so as to obtain the cationic binder emulsion. According to the cationic binder emulsion as well as the preparation method and application thereof, water-based latex not only is simple and convenient in preparation method, but also can be used for pigment dyeing for textiles.

The invention provides moisture-absorbing and heating yarn and a preparation and dyeing method thereof. The moisture-absorbing and heating yarn is characterized by consisting of modified coffee-carbon polyester staple fiber with the mass fraction of 20-40% and viscose staple fiber with the mass fraction of 60-80%, wherein the total amount of the modified coffee-carbon polyester staple fiber and the viscose short fiber is 100wt%. The moisture-absorbing and heating yarn and the preparation and dyeing method thereof provided by the invention have the advantages that because of the introduction of hydrophilic groups, the fiber moisture absorption rate can be increased; simultaneously, when dyeing with viscose, one-bath piece dyeing with active dye can be realized, so that the dyeing procedure is greatly reduced, the dyeing cost is reduced and the dyeing uniformity is improved. The moisture-absorbing and heating yarn can be widely applied to the field of clothing and is especially used for preparing textiles such as household underwear.

The invention relates to the technical field of textile dyeing and finishing, in particular to a cotton / chinlon / lyocell fabric reactive dye wet short steaming clean pad dyeing process which comprises the following steps: (1) preparing dye liquor by adopting M-type reactive dye, and adjusting the pH value of the dye liquor to be acidic; (2) padding and padding in dye liquor: performing two-time padding and two-time padding, wherein the liquor detention rate is 71-93%; (3) steaming; (4) padding in alkaline color fixing liquid: dipping twice and rolling twice, wherein the liquor detention rate is 20-28%; (5) steaming; (6) washing with cold water; (7) washing with hot water; (8) soaping; (9) washing with hot water; (10) washing with cold water; the dyeing process of the cotton / chinlon / lyocell three-component fabric can be shortened, migration and time consumption are reduced, cost and chemical consumption are reduced, energy consumption is reduced, pollution is reduced, energy consumption and carbon emission are reduced, and the fabric is good in dye permeability and leveling property and high in color yield and color fastness.

The invention relates to the field of dyeing and finishing in the textile industry, and discloses a napping, dyeing and finishing process for orange segment-shaped polyester-nylon composite fiber fabrics and a splitting agent thereof. The napping, dyeing and finishing process comprises the following steps: (1) open-width scouring; (2) preshrinking-presplitting; (3) splitting by the splitting agent; (4) presetting; (5) dyeing; (6) setting. The invention has the following advantages and effects: the design of the splitting agent formula and a two-step splitting process thereof facilitates the sufficient splitting of the fibers and better balance the contradiction between fluffiness and damage caused by strong force; compared with conventional polyester sea-island filament napped fabrics, theinvention can omit the step of napping, the process flow is simple, and soaping fastness and rubbing fastness are remarkably increased.

The invention discloses a novel polyester-cotton disperse dye and reactive dye two-bath dyeing process. The method comprises the following steps: S1, dyeing and washing: immersing the polyester cottonfabric into a disperse dye microcapsule dyeing solution, heating the material to 120-130 DEG C, performing insulation for 45 to 55 minutes, cooling the material to 70 to 80 DEG C, performing insulation for 5 to 15 minutes, washing the material with water, and drying the material; and S2, cotton dyeing: immersing the polyester cotton fabric into a finishing solution containing 2,3-epoxypropyltrimethyl ammonium chloride, heating the material to 70-80 DEG C, performing insulation for 50-60 min, and then immersing the material in a reactive dye solution, heating the material to 70-80 DEG C, performing insulation for 10-20min, then adding 5-20g / L of soda ash, performing insulation for 25-35min, and after cooling to room temperature, performing steps of washing, soaping and drying. The noveltwo-bath dyeing process not only has high production efficiency, short process flow, but also uniform coloring and high color fastness.

The invention discloses a polyester textile dyeing method and belongs to the technical field of textile processing. The polyester textile dyeing method comprises the following steps: dissolving polyvinyl alcohol into water to prepare pulp, putting dye and a surfactant into the pulp, performing padding treatment on the pretreated polyester textile, baking, enabling dye modules to enter fiber, rapidly dyeing the polyester textile, and solidifying the polyvinyl alcohol on the surface of a polyester yarn to form a film. In the polyester textile dyeing method provided by the invention, the polyvinyl alcohol is non-toxic and degradable, and the dyeing process is green and pollution-free; meanwhile, the polyvinyl alcohol can be solidified on the polyester textile to form the film, rapid dyeing and sizing are realized, the processing process is simple and the time-consuming cycle is short; meanwhile, the rapid dyeing process can be completed on the common sizing machine, consumption of water resources and consumption caused in the high-temperature and high-pressure process are reduced and energy can be effectively saved.

The invention relates to an active dye dyeing process through fabric modification. The process comprises the following steps: (1) flax modification, namely soaking a flax fabric in a modifying liquid with the bath ratio of 1:10; heating to the modifying temperature to modify the flax fabric for a certain time; after modification, taking out the fabric; firstly, washing the fabric by hot water twice and washing the fabric by cold water twice; then, treating the fabric for 2 minutes by a glacial acetic acid liquor; finally, fully washing the fabric by water till the fabric is neutral, and drying; (2) dyeing, namely after preparing a dyeing liquid, heating to 40 DEG C; wiping the modified flax fabric and casting the fabric into a dye bath to be dyed; heating the dye bath gradually to 90 DEG C, dyeing for 100 minutes with the bath ratio of 1:50; after dyeing, taking out the fabric; washing the fabric by hot water twice and washing the fabric by cold water twice; soaping; washing the fabric by a great amount of water and drying the fabric. The process provided by the invention has the beneficial effects that the dye-uptake of the modified flax fabric is improved, and the color fastness is good, so that the dyeing process flow can be shortened and the production efficiency is improved.

The embodiment of the invention discloses an acid dye composite for one bath dyeing. The composite comprises five or six of a compound A shown in the formula (I), a compound B shown in the formula (II), a compound C shown in the formula (III), a compound D shown in the formula (IV), a compound E shown in the formula (V) and a compound F shown in the formula (VI). The product prepared through the acid dye composite is bright in color and luster, has excellent sun-proof fastness, sublimation fastness, soaping fastness and friction fastness, causes small damage to fibers and is short in production period, small in energy consumption and low in production cost, the dyeing process is greatly shortened, the energy can be saved, the cost is reduced, the efficiency is improved, and sewage discharging is reduced.

The invention discloses a one-bath two-step dyeing method for a nylon / cationic dyeable polyester fabric. The method comprises the following steps: 1, immersing the nylon / cationic dyeable polyester fabric in a pretreatment liquid, pretreating the fabric at room temperature for 10-60 min, and then pickling the pretreated fabric; 2, immersing the treated fabric obtained in step 1 in a dye solution containing a cationic dye and an acidic dye and having a pH value of 3-7, dyeing a nylon fiber at 80-100 DEG C for 30-60 min, raising the temperature to 100-130 DEG C, and dying a cationic dyeable polyester fiber for 30-60 min; and 3, washing the dyed fabric obtained in step 2 with water at room temperature, discharging the obtained solution, and carrying out acidic color fixation at 50-70 DEG C for10-30 min. The method has the advantages of short process flow, low energy consumption, good dyeing effect and high color fastness (reaching level 4 or above).

The invention relates to a thermal storage fiber. The thermal storage fiber is characterized in that thermal storage powder with the diameter being 0.1-1 micrometer are uniformly dispersed in a fiber prepared from copolymer powder formed by acrylonitrile and vinyl acetate, and the mass ratio of the thermal storage powder to the fiber is (0.5-2):(98-99.5). A preparation method for the thermal storage fiber comprises the following steps: producing copolymer powder, preparing a spinning solution, regulating temperature and pressure of the spinning solution, and filtering and spinning the spinning solution; in the spinning process, adding the thermal storage powder with the diameter being 0.1-1 micrometer into the spinning solution according to the mass ratio (0.5-2):(98-99.5) of the thermal storage powder and the fiber; intensively and uniformly mixing at 1400rpm through a dynamic mixer and then spinning and carrying out a coagulating bath, wherein the coagulating bath adopts a dimethyl acetamide aqueous solution, the concentration of the solution is 40-55 weight percent, and the temperature is 38-50 DEG C; carrying out double-diffusion forming, washing with water, drafting, oiling, drying and crimping, wherein the drafting times are 4-7 times; and shaping through 200-330KPa shaping pressure so as to finally obtain a finished thermal storage fiber product. The thermal storage fiber has the advantages of good performance, environmental protection and good thermal storage effect and is beneficial to health. The preparation method is simple and feasible, has high production efficiency, and is easily controlled.

The invention discloses a recycling dyeing process of nylon fabric printing and dyeing wastewater, the printing and dyeing wastewater is directly completely used as dyeing water for a nylon fabric, wastewater treatment agent WFS088, surfactant WFS099, dyeing auxiliaries and dyes are added during dyeing, the nylon fabric is put into a dyeing machine, the dyeing machine runs for 15-25min at process temperature of 100 to 110 DEG C under thermal insulation condition, the nylon fabric is cooled to 70 to 80 DEG C by a heat exchanger in the speed of 1 to 2 DEG C / min, after color comparison, the nylon fabric is directly discharged without cleaning, and dehydrated for completion of dyeing of the nylon fabric and recycling of the printing and dyeing wastewater. According to the recycling dyeing process of the nylon fabric printing and dyeing wastewater, the printing and dyeing wastewater is revolutionarily directly recycled in the dyeing process repeatedly, initial dyeing temperature is high, cloth washing and postprocessing are not needed, the dyeing process is greatly shortened, energy is greatly saved, production capacity is improved; dyeing water consumption and wastewater emission can be greatly reduced, sewage treatment cost is reduced, and dyeing production efficiency and benefit can be reduced.