CN114134725A - Control method of low-ring D4, D5 and D6 residual quantity in dyed yarn - Google Patents
Control method of low-ring D4, D5 and D6 residual quantity in dyed yarn Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000004043 dyeing Methods 0.000 claims abstract description 29
- 239000000986 disperse dye Substances 0.000 claims abstract description 24
- 239000002351 wastewater Substances 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 4
- 210000001161 mammalian embryo Anatomy 0.000 claims abstract description 4
- 239000000835 fiber Substances 0.000 claims description 36
- 239000000975 dye Substances 0.000 claims description 25
- 229920000642 polymer Polymers 0.000 claims description 13
- 238000009792 diffusion process Methods 0.000 claims description 11
- 239000003921 oil Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 238000003786 synthesis reaction Methods 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 239000012752 auxiliary agent Substances 0.000 claims description 5
- 125000002091 cationic group Chemical group 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000000084 colloidal system Substances 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 5
- 239000004519 grease Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000004132 cross linking Methods 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 4
- 239000002270 dispersing agent Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 230000008961 swelling Effects 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 231100000719 pollutant Toxicity 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 238000010000 carbonizing Methods 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 238000002166 wet spinning Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 6
- 238000005070 sampling Methods 0.000 description 5
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229920002545 silicone oil Polymers 0.000 description 3
- XMSXQFUHVRWGNA-UHFFFAOYSA-N Decamethylcyclopentasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 XMSXQFUHVRWGNA-UHFFFAOYSA-N 0.000 description 2
- IUMSDRXLFWAGNT-UHFFFAOYSA-N Dodecamethylcyclohexasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 IUMSDRXLFWAGNT-UHFFFAOYSA-N 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000006615 aromatic heterocyclic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/16—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dispersed, e.g. acetate, dyestuffs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
- D06P5/2016—Application of electric energy
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
- D06P5/2044—Textile treatments at a pression higher than 1 atm
- D06P5/2061—Textile treatments at a pression higher than 1 atm after dyeing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
- D06P5/2066—Thermic treatments of textile materials
- D06P5/2077—Thermic treatments of textile materials after dyeing
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Coloring (AREA)
Abstract
The invention relates to the technical field of dyed yarn residue control, and discloses a method for controlling the dyed yarn residue of low ring bodies D4, D5 and D6, which comprises the following steps: s1: preparing the white embryo yarn; s2: dyeing with disperse dyes; s3: d4, D5 and D6 are fixed in color and bath; s4: treating waste water by air floatation method; s5: d4, D5 and D6 content control; s6: and (5) drying the dyed yarns and performing post-treatment. In the invention, the yarn is sampled and tested continuously by a sensing mechanism on the detection device, the collected signal is sent to a sensing chip of the detection sensing device, the sensing chip identifies the collected color value and compares the sampled values until the collected color value reaches a preset value and D4, D5 and D6 in the yarn are all less than 0.1 percent, so that the contents of D4, D5 and D6 in the colored yarn are controllable, and the effects of ensuring the color saturation of the colored yarn and controlling the contents of D4, D5 and D6 are achieved.
Description
Technical Field
The invention relates to the technical field of dyed yarn residue control, in particular to a method for controlling dyed yarn residue of low ring bodies D4, D5 and D6.
Background
On 27.6.2018, D4, D5, D6 were listed as SVHC candidates under european union No. 1907/2006 REACH regulations and required all SVHC substances of high interest and less than 0.1% (1000ppm), and if the substances met the criteria in clause 57 and were determined according to clause 59, any european manufacturer or importer of the article should notify the european union chemical management agency according to clause 7, clause 4: (a) the total content of material in the candidate list in the item exceeds 1 ton/year/producer or importer; (b) the total content of substances in the candidate list in the article exceeds a concentration of 0.1% in mass fraction.
Octamethylcyclotetrasiloxane (D4), colorless transparent or milky liquid, flammable and odorless, is a compound obtained by separating and rectifying a product prepared by a hydrolysis synthesis process of dimethyldichlorosilane; decamethylcyclopentasiloxane (D5) and dodecamethylcyclohexasiloxane (D6) are colorless transparent oily liquid in appearance, are volatile and low-viscosity silicone oil, are compatible with various cosmetic components, have low surface force and are important raw materials in the daily chemical industry.
D4, D5 and D6 have the functions of keeping the textiles elastic, glossy, soft, smooth and the like, the dyed yarns need to use D4, D5 and D6 in the after finishing process, and because D4, D5 and D6 have long-term harmful effects on aquatic environment and also have the risks of weakening reproductive capacity and causing irreversible influence on the environment, the control ensures that the content of D4, D5 and D6 is less than 0.1 percent to meet REACH regulations.
Therefore, a method for controlling the residual quantity of the dyed yarns by the low ring bodies D4, D5 and D6 is provided.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art and provides a method for controlling the residual quantity of dyed yarns of low ring bodies D4, D5 and D6, which comprises the following steps:
s1: preparing the white embryo yarn;
s2: dyeing with disperse dyes;
s3: d4, D5 and D6 are fixed in color and bath;
s4: treating waste water by air floatation method;
s5: d4, D5 and D6 content control;
s6: and (5) drying the dyed yarns and performing post-treatment.
Preferably, the step S1: the preparation process includes introducing aromatic ring or aromatic heterocycle into the macromolecular chain of fiber forming polymer to increase the rigidity of the molecular chain, the density and cohesion of the macromolecular chain, wet spinning the polymer to form fiber, crosslinking reaction between the macromolecular chains to form three-dimensional crosslinked structure, preventing the carbon chain from breaking, and carbonizing after the macromolecular chains are heated in 200-300 deg.c air oxidizing furnace.
Preferably, the step S2: the dyeing is carried out under a high-temperature and pressurized damp-heat state, a plurality of single crystal molecules of the dye in a particle state are dispersed in an aqueous solution through a dispersing agent, the pressurization is below 2atm (2.02 multiplied by 105Pa), the temperature of a dye bath can be increased to 120-130 ℃, the chain segments of fiber molecules move violently due to the increase of the temperature, the generated instantaneous pores are more and larger, the diffusion of the dye molecules is increased, the diffusion rate of the dye to the interior of the fiber is increased, the dyeing rate is increased, and the dyeing is completed until the dye is completely absorbed.
Preferably, the step S2: the dyeing auxiliary agent can be added during dyeing of the disperse dye, so that the solubility of the disperse dye is increased, the adsorption of the disperse dye on the surface of the fiber is promoted, the fiber is plasticized or the swelling degree is improved, the diffusion speed of the disperse dye in the fiber is accelerated, and the dispersion stability of the dye is improved.
Preferably, the step S3: after the disperse dye is dyed, the yarns are soaked in a bath pool, D4, D5 and D6 and the dyed cationic color fixing agent are used in one bath, in order to achieve the best finishing effect in the using process, the optimal pH value is adjusted to be faintly acid to neutral, the bath ratio is 1/8-1/15, the pH value is 5.0-6.0, the soaking time is 15-30 min, and the temperature is 40 ℃.
Preferably, the step S4: d4, D5 and D6 are used for fixation and one bath, then the yarn is post-finished, the waste water after the yarn is soaked for fixation is treated, because organic silicon oil such as D4, D5 and D6 is added, the waste water contains a large amount of various grease with emulsion organic colloid particles, and the like, positive and negative electrodes are arranged in the water, the positive and negative electrode principle in physics is introduced into sewage treatment, a power supply is switched on, nascent state micro bubbles are generated on one electrode (cathode), and the electrolytic reaction is generated by means of the principle of electronic 'like polarity repulsion and opposite polarity attraction'.
Preferably, the step S4: the method for treating wastewater by the air floatation method must meet the following four conditions: a sufficient amount of fine bubbles must be provided to the water; pollutants in the wastewater must be made to be in a suspension state; the air bubbles must be made to adhere to the suspended matter; the diameter of the air bubbles must reach a certain size (generally required to be less than 20 microns), so that the air floatation effect is achieved.
Preferably, the step S5: the colored yarns subjected to color fixation and one bath contain organic silicon oil such as D4, D5, D6 and the like, the wet colored yarns subjected to color fixation and one bath are pressurized and heated again, the components of D4, D5 and D6 in the colored yarns are damaged in a closed high-pressure high-temperature environment, the component amounts of D4, D5 and D6 in steam generated by heating in the sealed environment are respectively tested according to certain gap time and compared with the component amounts of D4, D5 and D6 contained in the yarns, the yarns are sampled and tested continuously by a sensing mechanism on a detection device, the collected signals are sent to a sensing chip of the detection sensing device, the sensing chip identifies the collected color values and compares the sampled values until the collected color values reach preset values and the D4, D5 and D6 in the yarns are all less than 0.1%, and low-ring bodies such as D4, D5 and D6 are derived from raw materials adopted in the traditional organosilicon synthesis, through adopting linear body raw materials to carry out the synthesis of organosilicon, utilize the characteristics that low ring body high temperature volatilizees, the yarn adopts the "high temperature that independently adds to bake, volatilize and collect condensation retrieval and utilization" device at the forming machine, ensures to remain 0.1% on the yarn, and no VOC discharges unordered.
Preferably, the step S1: the characteristics of different yarns are fully considered when the dyed yarns are dried, the temperature parameter, the humidity parameter and the time range of the heat pump dryer are properly adjusted, the whole circulating system of the heat pump dryer is totally closed, and heat convection is carried out by utilizing a fan to transfer heat to materials.
Advantageous effects
The invention provides a method for controlling residual quantity of dyed yarns of low ring bodies D4, D5 and D6. The method has the following beneficial effects:
(1) the method comprises the steps of pressurizing and heating the wet colored yarn after bath again, destroying components of D4, D5 and D6 in the colored yarn in a closed high-pressure high-temperature environment, respectively testing the component amounts of D4, D5 and D6 in steam generated by heating in the sealed environment and the component amounts of D4, D5 and D6 contained in the yarn according to certain gap time, sampling and continuously testing the yarn through a sensing mechanism on a detection device, sending collected signals to a sensing chip of the detection sensing device, identifying the collected color value by the sensing chip, comparing the sampled values until the collected color value reaches a preset value and D4, D5 and D6 in the yarn are all less than 0.1 percent, and obtaining the contents of D638, D5 and D6 in the colored yarn, thereby achieving the effect of ensuring saturation of the colored yarn and further ensuring the color control effect of D4 and D6, D5 and D6.
(2) The method for controlling the residual quantity of the colored yarns of the low-ring bodies D4, D5 and D6 improves the thermal stability of the fiber high polymer in the preparation process, introduces aromatic rings or aromatic heterocycles into a macromolecular chain of the fiber-forming high polymer, increases the rigidity of the molecular chain, the density degree of the macromolecular chain and the cohesive force, and enables the fiber to stay in an air oxidation furnace at the temperature of 200-300 ℃ for tens of minutes or hours to be carbonized after the macromolecular of the fiber is heated, thereby achieving the effect of enabling the fiber to have high-strength flame retardance.
(3) The method for controlling the residual quantity of the dyed yarns by the low ring bodies D4, D5 and D6 has the advantages that a dyeing auxiliary agent can be added during dyeing of the disperse dye, the solubility of the disperse dye is increased, the adsorption of the disperse dye on the surface of the fiber is promoted, the fiber is plasticized or the swelling degree is improved, the diffusion speed of the disperse dye in the fiber is accelerated, and the dispersion stability of the dye is improved.
(4) The method for controlling the residual quantity of the dyed yarns by the low-ring bodies D4, D5 and D6 comprises the steps of putting a positive electrode and a negative electrode into oily sewage, switching on a power supply, generating nascent state micro bubbles on one electrode (cathode), generating electrolytic reaction by means of the principle of 'like polarity repulsion and opposite polarity attraction' of electrons, generating gas along with the reaction process, enabling the gas to have a certain adsorption effect, combining oil beads and impurities, finally agglomerating the substances together to form oil residues, drifting to the surface of the sewage, generating electrolytic coagulation, treating dip-dyeing wastewater by a gas floatation method, and achieving the effect of preventing the dip-dyeing wastewater from polluting the environment.
(5) The control method of the low ring bodies D4, D5 and D6 on the residual quantity of the dyed yarns comprises the steps of drying the dyed yarns, fully considering the characteristics of different yarns when the dyed yarns are dried, properly adjusting the temperature parameters, the humidity parameters and the time range of the heat pump dryer, fully sealing the whole circulating system of the heat pump dryer, carrying out heat transfer on materials by using a fan to carry out convective heat transfer, continuously supplementing fresh air and discharging humid air, and finally obtaining finished dyed yarns.
Detailed Description
Example (b): a method for controlling the residual quantity of dyed yarns of low-ring bodies D4, D5 and D6 comprises the following steps:
s1: the white blank yarn is prepared by using yarn made of polyester filament, fine terephthalic acid (PTA) or dimethyl terephthalate (DMT) and ethylene glycol (MEG) as raw materials to prepare fiber-forming high polymer, namely polyethylene glycol terephthalate (PET), and spinning to prepare the fiber-forming high polymer, wherein the heat stability of the fiber-forming high polymer is improved in the preparation process, aromatic rings or aromatic heterocyclic rings are introduced into macromolecular chains of the fiber-forming high polymer to increase the rigidity of the molecular chains, the density degree and the cohesion of the macromolecular chains, then the high polymer with high heat stability is spun into fibers by a wet method, the fibers are changed into a three-dimensional crosslinking structure through linear macromolecular interchain crosslinking reaction in the fibers to prevent the carbon chains from being broken and become non-shrinkage and non-melting flame-retardant fibers, and the fibers are kept in an air oxidation furnace at the temperature of 200 ℃ and 300 ℃ for dozens of minutes or hours to ensure that the macromolecules of the fibers are heated and carbonized, the fiber with flame retardance is manufactured into the white blank yarn for standby.
S2: disperse dye dyeing is carried out under the wet and hot state with high temperature and pressure, the dye is dispersed in aqueous solution by a dispersing agent in a particle state and a plurality of single crystal molecules, the dyeing rate is very low within 100 ℃, even if the dye is dyed in a boiling dye bath, the dyeing rate and the dyeing percentage are not high, so the pressure is required to be increased to be below 2atm (2.02 multiplied by 105Pa), the temperature of the dye bath can be increased to 120-130 ℃, the chain segments of fiber molecules move violently due to the increase of the temperature, the generated instantaneous pores are more and more, the diffusion of the dye molecules is increased, the diffusion rate of the dye to the interior of the fiber is increased, the dyeing rate is increased, the dyeing is completed until the dye is absorbed completely, a dyeing auxiliary agent can be added during the disperse dye dyeing, the solubility of the disperse dye is increased, the adsorption of the disperse dye to the surface of the fiber is promoted, the fiber is plasticized or the swelling degree is increased, The dispersion speed of the disperse dye in the fiber is accelerated, and the dispersion stability of the dye is improved.
S3: d4, D5 and D6 are subjected to color fixation and one-bath, yarns are soaked in a bath after disperse dye dyeing is finished, D4, D5 and D6 are used in one-bath with a dyed cationic color fixing agent, in order to achieve the optimal finishing effect in the using process, the optimal pH value is adjusted to be weakly acidic to neutral, the bath ratio is 1/8-1/15, the pH value is 5.0-6.0, the soaking time is 15-30 min, the temperature is 40 ℃, a compatibility test is firstly carried out when the D4, D5 and D6 and the cationic color fixing agent are used in one-bath with other auxiliary agents, the fabric surface must be cleaned and then can be added with the product for softening, otherwise, the product possibly reacts with other substances, and generates substances which are difficult to remove, so that unnecessary troubles are caused.
S4: carrying out air floatation wastewater treatment, carrying out color fixation and one-bath treatment on yarns after D4, D5 and D6, carrying out after-treatment on the yarns, and treating the wastewater after the yarns are soaked and fixed, wherein due to the addition of organic silicone oil such as D4, D5 and D6, the wastewater contains a large amount of various milky grease and the like in organic colloid particles, positive and negative electrodes are arranged in the water, a positive and negative electrode principle in physics is introduced into the wastewater treatment, namely after the positive and negative electrodes are filled into oily wastewater, a power supply is switched on, nascent state micro bubbles are generated on one electrode (cathode), and an electrolytic reaction is carried out by virtue of the principle of 'like polarity repulsion and opposite polarity attraction' of electrons, the gas is generated along with the generation of gas, the gas has a certain adsorption effect, oil beads and impurities can be combined, and finally the substances are combined together to form oil residues, and the substances drift to the surface of the wastewater and also have effects of electrolytic coagulation and the like;
the method for treating wastewater by the air floatation method can complete the air floatation treatment process only by meeting the following basic conditions, thereby achieving the purpose of removing organic colloid particles and various milky grease from water:
1. a sufficient amount of fine bubbles must be provided to the water;
2. pollutants in the wastewater must be made to be in a suspension state;
3. the air bubbles must be made to adhere to the suspended matter;
4. the diameter of the bubbles must reach a certain size (generally less than 20 microns);
thereby achieving the air flotation effect, separating and collecting the waste water by adopting the air flotation method, recycling the waste water for multiple times, and controlling the discharge of the soaking and color fixing waste water containing D4, D5 and D6. S5: d4, D5 and D6 content control, the colored yarn after fixation and bath contains organic silicon oil such as D4, D5 and D6, the wet colored yarn after bath is pressurized and heated again, the components of D4, D5 and D6 in the colored yarn are destroyed in a closed high-pressure high-temperature environment, the components of D4, D5 and D6 in the steam generated by heating in the sealed environment are respectively tested according to certain gap time and compared with the components of D4, D5 and D6 contained in the yarn, a sensing mechanism on a detection device is used for sampling and continuously testing the yarn, the acquired signal is sent to a sensing chip of the detection sensing device, the sensing chip identifies the acquired color value and compares the sampling value until the acquired color value reaches a preset value and D4, D5 and D6 in the yarn are all less than 0.1% of ring body content, the D4, D5 and D6 in the yarn are derived from traditional synthetic raw materials, through adopting linear body raw materials to carry out the synthesis of organosilicon, utilize the characteristics that low ring body high temperature volatilizees, the yarn adopts the "high temperature that independently adds to bake, volatilize and collect condensation retrieval and utilization" device at the forming machine, ensures to remain 0.1% on the yarn, and no VOC discharges unordered.
S6: the dyed yarn is dried and then treated, the characteristics of different yarns are fully considered when the dyed yarn is dried, the temperature parameter, the humidity parameter and the time range of the heat pump dryer are properly adjusted, the whole circulating system of the heat pump dryer is totally closed, the fan is used for carrying out convective heat transfer, heat transfer is carried out on materials, fresh air is constantly supplemented, moist air is discharged, and finally the finished product dyed yarn is obtained.
The working principle of the invention is as follows: the preparation of the white embryo yarn improves the thermal stability of the fiber high polymer in the preparation process, introduces aromatic rings or aromatic heterocycles into the macromolecular chains of the fiber-forming high polymer, and increases the rigidity of the molecular chains, the density degree of the macromolecular chains and the cohesion; the dyeing is carried out under a high-temperature and pressurized damp-heat state, a plurality of single crystal molecules of the dye in a particle state are dispersed in an aqueous solution through a dispersing agent, the pressurization is below 2atm (2.02 multiplied by 105Pa), the temperature of a dye bath can be increased to 120-130 ℃, as the temperature is increased, chain segments of fiber molecules move violently, more and larger instantaneous pores are generated, the diffusion of the dye molecules is increased, the diffusion rate of the dye to the interior of the fiber is increased, and the dyeing rate is increased; soaking the yarns in a bath after dyeing of the disperse dye, wherein D4, D5 and D6 and the dyed cationic color fixing agent are used in one bath, the bath ratio is 1/8-1/15, the pH value is 5.0-6.0, and the soaking time is 15-30 min; d4, D5 and D6 carry out color fixation and one bath, then carry out after-treatment on the yarns, treat the waste water after the yarns are soaked and fixed, because organic silicone oil such as D4, D5 and D6 is added, the waste water contains a large amount of various grease with emulsion organic colloid particles, and the like, positive and negative electrodes are arranged in the water, the positive and negative electrode principle in physics is introduced into the sewage treatment, namely, after the positive and negative electrodes are filled into the oily sewage by related workers, a power supply is switched on, nascent state tiny bubbles are generated on one electrode (cathode), an electrolytic reaction is generated by means of the principle of electronic 'like-polarity repulsion and opposite-polarity attraction', the gas has certain adsorption effect in the reaction process, oil beads and impurities can be combined, and finally the substances are combined together to form oil residue and float on the surface of the sewage; pressurizing and heating the wet colored yarn after bath again, destroying components of D4, D5 and D6 in the colored yarn in a closed high-pressure high-temperature environment, respectively testing the component amounts of D4, D5 and D6 in the heating steam in the sealed environment according to a certain gap time, comparing the component amounts with the component amounts of D4, D5 and D6 contained in the yarn, sampling and continuously testing the yarn through a sensing mechanism on a detection device, sending acquired signals to a sensing chip of the detection sensing device, identifying the acquired color value by the sensing chip, and comparing the sampling value until the acquired color value reaches a preset value and the contents of D4, D5 and D6 in the yarn are all less than 0.1%; the dyed yarn is dried and then treated, the characteristics of different yarns are fully considered when the dyed yarn is dried, the temperature parameter, the humidity parameter and the time range of the heat pump dryer are properly adjusted, the whole circulating system of the heat pump dryer is totally closed, the fan is used for carrying out convective heat transfer, heat transfer is carried out on materials, fresh air is constantly supplemented, moist air is discharged, and finally the finished product dyed yarn is obtained.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A method for controlling the residual quantity of dyed yarns of low-ring bodies D4, D5 and D6 is characterized in that: the method comprises the following steps:
s1: preparing the white embryo yarn;
s2: dyeing with disperse dyes;
s3: d4, D5 and D6 are fixed in color and bath;
s4: treating waste water by air floatation method;
s5: d4, D5 and D6 content control;
s6: and (5) drying the dyed yarns and performing post-treatment.
2. The method for controlling the residual quantity of dyed yarns by using the low ring bodies D4, D5 and D6 as claimed in claim 1, wherein the method comprises the following steps: the S1: the preparation process includes introducing aromatic ring or aromatic heterocycle into the macromolecular chain of fiber forming polymer to increase the rigidity of the molecular chain, the density and cohesion of the macromolecular chain, wet spinning the polymer to form fiber, crosslinking reaction between the macromolecular chains to form three-dimensional crosslinked structure, preventing the carbon chain from breaking, and carbonizing after the macromolecular chains are heated in 200-300 deg.c air oxidizing furnace.
3. The method for controlling the residual quantity of dyed yarns by using the low ring bodies D4, D5 and D6 as claimed in claim 1, wherein the method comprises the following steps: the S2: the dyeing is carried out under a high-temperature and pressurized damp-heat state, a plurality of single crystal molecules of the dye in a particle state are dispersed in an aqueous solution through a dispersing agent, the pressurization is below 2atm (2.02 multiplied by 105Pa), the temperature of a dye bath can be increased to 120-130 ℃, the chain segments of fiber molecules move violently due to the increase of the temperature, the generated instantaneous pores are more and larger, the diffusion of the dye molecules is increased, the diffusion rate of the dye to the interior of the fiber is increased, the dyeing rate is increased, and the dyeing is completed until the dye is completely absorbed.
4. The method for controlling the residual quantity of dyed yarns by the low ring bodies D4, D5 and D6 as claimed in claim 3, wherein: the S2: the dyeing auxiliary agent can be added during dyeing of the disperse dye, so that the solubility of the disperse dye is increased, the adsorption of the disperse dye on the surface of the fiber is promoted, the fiber is plasticized or the swelling degree is improved, the diffusion speed of the disperse dye in the fiber is accelerated, and the dispersion stability of the dye is improved.
5. The method for controlling the residual quantity of dyed yarns by using the low ring bodies D4, D5 and D6 as claimed in claim 1, wherein the method comprises the following steps: the S3: after the disperse dye is dyed, the yarns are soaked in a bath pool, D4, D5 and D6 and the dyed cationic color fixing agent are used in one bath, in order to achieve the best finishing effect in the using process, the optimal pH value is adjusted to be faintly acid to neutral, the bath ratio is 1/8-1/15, the pH value is 5.0-6.0, the soaking time is 15-30 min, and the temperature is 40 ℃.
6. The method for controlling the residual quantity of dyed yarns by using the low ring bodies D4, D5 and D6 as claimed in claim 1, wherein the method comprises the following steps: the S4: d4, D5 and D6 are used for fixation and one bath, then the yarn is post-finished, the waste water after the yarn is soaked for fixation is treated, because organic silicon oil such as D4, D5 and D6 is added, the waste water contains a large amount of various grease with emulsion organic colloid particles, and the like, positive and negative electrodes are arranged in the water, the positive and negative electrode principle in physics is introduced into sewage treatment, a power supply is switched on, nascent state micro bubbles are generated on one electrode (cathode), and the electrolytic reaction is generated by means of the principle of electronic 'like polarity repulsion and opposite polarity attraction'.
7. The method for controlling the residual quantity of dyed yarns by the low ring bodies D4, D5 and D6 as claimed in claim 6, wherein: the S4: the method for treating wastewater by the air floatation method must meet the following four conditions: a sufficient amount of fine bubbles must be provided to the water; pollutants in the wastewater must be made to be in a suspension state; the air bubbles must be made to adhere to the suspended matter; the diameter of the air bubbles must reach a certain size (generally required to be less than 20 microns), so that the air floatation effect is achieved.
8. The method for controlling the residual quantity of dyed yarns by using the low ring bodies D4, D5 and D6 as claimed in claim 1, wherein the method comprises the following steps: the S5: the colored yarns subjected to color fixation and one bath contain organic silicon oil such as D4, D5, D6 and the like, the wet colored yarns subjected to color fixation and one bath are pressurized and heated again, the components of D4, D5 and D6 in the colored yarns are damaged in a closed high-pressure high-temperature environment, the component amounts of D4, D5 and D6 in steam generated by heating in the sealed environment are respectively tested according to certain gap time and compared with the component amounts of D4, D5 and D6 contained in the yarns, the yarns are sampled and tested continuously by a sensing mechanism on a detection device, the collected signals are sent to a sensing chip of the detection sensing device, the sensing chip identifies the collected color values and compares the sampled values until the collected color values reach preset values and the D4, D5 and D6 in the yarns are all less than 0.1%, and low-ring bodies such as D4, D5 and D6 are derived from raw materials adopted in the traditional organosilicon synthesis, through adopting linear body raw materials to carry out the synthesis of organosilicon, utilize the characteristics that low ring body high temperature volatilizees, the yarn adopts the "high temperature that independently adds to bake, volatilize and collect condensation retrieval and utilization" device at the forming machine, ensures to remain 0.1% on the yarn, and no VOC discharges unordered.
9. The method for controlling the residual quantity of dyed yarns by using the low ring bodies D4, D5 and D6 as claimed in claim 1, wherein the method comprises the following steps: the S1: the characteristics of different yarns are fully considered when the dyed yarns are dried, the temperature parameter, the humidity parameter and the time range of the heat pump dryer are properly adjusted, the whole circulating system of the heat pump dryer is totally closed, and heat convection is carried out by utilizing a fan to transfer heat to materials.
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