CN115559051A - Cellulose acetylated diacetate super-soft light anti-pilling knitted fabric and preparation method thereof - Google Patents
Cellulose acetylated diacetate super-soft light anti-pilling knitted fabric and preparation method thereof Download PDFInfo
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- CN115559051A CN115559051A CN202211231017.9A CN202211231017A CN115559051A CN 115559051 A CN115559051 A CN 115559051A CN 202211231017 A CN202211231017 A CN 202211231017A CN 115559051 A CN115559051 A CN 115559051A
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- 239000004744 fabric Substances 0.000 title claims abstract description 93
- 229920002678 cellulose Polymers 0.000 title claims abstract description 46
- 239000001913 cellulose Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000004043 dyeing Methods 0.000 claims abstract description 45
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 29
- 229920006239 diacetate fiber Polymers 0.000 claims abstract description 27
- 239000000835 fiber Substances 0.000 claims abstract description 23
- 229920000742 Cotton Polymers 0.000 claims abstract description 20
- 241001116389 Aloe Species 0.000 claims abstract description 19
- 229920000297 Rayon Polymers 0.000 claims abstract description 19
- 235000011399 aloe vera Nutrition 0.000 claims abstract description 19
- 239000002270 dispersing agent Substances 0.000 claims abstract description 18
- 229920001778 nylon Polymers 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000009987 spinning Methods 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000009941 weaving Methods 0.000 claims abstract description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 30
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 28
- 239000000975 dye Substances 0.000 claims description 27
- 239000000986 disperse dye Substances 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 15
- 239000004094 surface-active agent Substances 0.000 claims description 15
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 13
- 238000009940 knitting Methods 0.000 claims description 11
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 10
- 239000000985 reactive dye Substances 0.000 claims description 10
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 238000004061 bleaching Methods 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 5
- 239000013527 degreasing agent Substances 0.000 claims description 5
- 239000003599 detergent Substances 0.000 claims description 5
- 238000007730 finishing process Methods 0.000 claims description 5
- 235000013773 glyceryl triacetate Nutrition 0.000 claims description 5
- 239000001087 glyceryl triacetate Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- -1 phosphate ester Chemical class 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 229920005552 sodium lignosulfonate Polymers 0.000 claims description 5
- 229960002622 triacetin Drugs 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 abstract description 3
- 239000002932 luster Substances 0.000 abstract description 3
- 239000004753 textile Substances 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 11
- 229920006221 acetate fiber Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
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- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920006304 triacetate fiber Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
- D04B1/24—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B21/00—Successive treatments of textile materials by liquids, gases or vapours
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
-
- 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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/445—Use of auxiliary substances before, during or after dyeing or printing
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
- D10B2201/24—Viscose
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
Abstract
The invention provides a preparation method of a cellulose acetylated diacetate ultra-soft light anti-pilling knitted fabric, which comprises the following steps: (1) preparing yarns: spinning on a spinning machine by using cellulose acetylated diacetate fiber, cotton fiber, aloe viscose fiber and nylon fiber as raw materials to obtain blended yarn; and (2) weaving grey cloth: weaving the blended yarns by a weaving machine to obtain grey cloth; (3) dyeing: adding dye liquor, a dispersing agent and an anti-wrinkling agent in the dyeing process; (4) post-treatment: and (3) carrying out anti-pilling finishing, tentering and setting, cloth inspecting and rolling on the dyed grey cloth to obtain the cellulose acetylated diacetate ultra-soft light anti-pilling knitted fabric. The fabric prepared by the preparation method has the advantages of soft luster, super softness, lightness, excellent performances (more than 3.5 grade) of fracture resistance, pilling resistance and color fastness, so that the strength damage of the fabric is small to meet the textile requirement, and meanwhile, the fiber combination also has the moisture absorption and quick drying properties to meet the requirements of clothing fabrics.
Description
Technical Field
The invention relates to the technical field of textile fabrics, in particular to a cellulose acetylated diacetate ultra-soft light anti-pilling knitted fabric and a preparation method thereof.
Background
With the progress of human times and the gradual improvement of living standard, the requirements of people on clothes are correspondingly improved, and common knitted clothes are gradually eliminated by the market, in view of insufficient drapability, poor gloss and poor wear resistance of common knitted fabrics. Therefore, a novel knitted fabric with super-softness, good drapability, soft gloss and wear resistance needs to be developed by selecting new raw materials and combining weaving and dyeing and finishing technologies to meet the requirements of consumers and markets.
The acetate fiber is a green and environment-friendly regenerated cellulose fiber because the preparation raw material source is rich, the production process is simple, the flow is short, the regeneration speed is high, and three wastes polluting the environment are not generated in the production process. Therefore, the development and application of acetate fiber are more and more extensive. The longitudinal surface of the acetate fiber is smooth, has natural and soft luster, is derived from plants, and has the same softness degree as the natural fiber; meanwhile, the fiber has certain characteristics of synthetic fiber, good thermoplasticity and good shape retention; the performance and appearance are comparable to those of real silk.
The acetate fiber may be classified into diacetate fiber and triacetate fiber according to the degree of acetylation treatment. Wherein, the diacetate fiber has the same hygroscopicity as cotton, but the quick drying performance is better than that of the cotton, so that the diacetate fiber can better absorb water vapor evaporated by human bodies and simultaneously discharge the water vapor, thereby leading people to feel comfortable to wear. The diacetate fibers have excellent hygroscopicity, so that static electricity can be well eliminated, and the diacetate fibers have good air permeability and antistatic property. In addition, the diacetate fibers are diffuse-reflective in cross section and longitudinal section, show soft luster, have excellent drapability, can form smooth and fluent curved surface modeling, have good fit and give people visual enjoyment. Therefore, the diacetate fibers have good comfort performance in both comfortable environment and high humidity environment, and are suitable for spring, summer, autumn and winter. Due to various excellent properties of diacetate fibers, fabrics blended by diacetate fibers and other fibers are receiving more and more extensive attention in recent years.
Therefore, a new diacetate fiber blended knitted fabric needs to be developed to become a rich knitted clothing product so as to improve the market competitiveness of the product.
Disclosure of Invention
The invention aims to provide a cellulose acetylated diacetate ultra-soft light anti-pilling knitted fabric and a preparation method thereof, aiming at the defects in the prior art.
In order to realize the purpose, the invention adopts the technical scheme that:
the invention provides a preparation method of a cellulose acetylated diacetate super-soft light anti-pilling knitted fabric, which comprises the following steps:
(1) Preparing yarns: spinning on a spinning machine by using cellulose acetylated diacetate fiber, cotton fiber, aloe viscose fiber and nylon fiber as raw materials to obtain blended yarn;
(2) Weaving gray fabric: passing the blended yarn through a knitting machine and controlling the technological parameters of the knitting machine to obtain grey cloth;
(3) Boiling and bleaching pretreatment: placing the grey cloth in a dyeing tank according to a bath ratio of 1: 5-8, adding 1-4g/L of degreaser, 1-3g/L of detergent, 1-5g/L of penetrant, 1-5g L of sodium carbonate and 1-10% (o.w.f) of hydrogen peroxide; heating to 95-100 deg.C at 2-3 deg.C/min, maintaining for 15-40 min, cooling to below 75 deg.C at 1-2 deg.C/min, and discharging.
(4) Dyeing: firstly, placing the pretreated gray fabric and dye liquor in a dyeing vat according to the bath ratio of 1: 5-10, adding 0.5-3g/L of anti-wrinkling agent, 1-3g/L of penetrating agent, 0.5-3g/L of dispersing agent and acetic acid at 40 ℃ to adjust the pH value to 5-6.5, adding disperse dye, running for 10min, heating the dye liquor to 70-75 ℃ at the speed of 2-3 ℃/min, keeping the temperature for 10min, heating to 90-105 ℃ at the speed of 1-1.5 ℃/min, keeping the temperature for 30-50min, and then cooling to 50-60 ℃ at the speed of 1-2 ℃/min to complete the disperse dye dyeing of cellulose acetylated diacetate fibers and nylon fibers. Then adding a dye solution of which the pH is adjusted to be 8-10 into the attached vat, adding 1-3g/L of reactive dye, 1-3g/L of leveling agent, 0.5-2.5g/L of penetrating agent and sodium carbonate into the attached vat, adding the circulating solution sucked out from the main vat into the attached vat in cooperation with the well-laid dye solution slowly into the main vat, keeping the temperature for 30-50min, and finishing the dyeing of the cotton fiber and the aloe viscose fiber by a constant-temperature dyeing method. After the dyeing is finished, cooling to below 40 ℃ at the cooling rate of 1-2 ℃/min, discharging the dye liquor, and washing with clear water;
(5) And (3) post-treatment: and (3) carrying out anti-pilling finishing, tentering and setting, cloth inspecting and rolling on the dyed grey cloth to obtain the cellulose acetylated diacetate ultra-soft and light anti-pilling knitted fabric.
Further, in the step (1), the blended yarn comprises 20-30% of cellulose acetylated diacetate fiber, 20-40% of aloe viscose fiber, 20-40% of cotton fiber and 10-20% of nylon fiber by weight percentage.
Further, in the step (4), the dyeing solution comprises water, disperse dyes, reactive dyes, sodium lignosulfonate, a crease-resist agent, a dispersing agent, a penetrating agent, a leveling agent, acetic acid, sodium carbonate and a surfactant.
Further, the surfactant is one or more of monoalkyl phosphate ester, triacetin and alkyl polyglycoside.
Further, the disperse dye is a low-temperature disperse dye.
Further, in the step (4), the dispersant is a mixture of a surfactant and water.
Further, in the step (5), the anti-pilling finishing process comprises the following steps: softening the dyed grey cloth, putting the cloth in a solution with the temperature of 50-70 ℃ in an open width manner, adding an anti-pilling assistant in an amount of 30-70g/L, carrying out anti-pilling finishing by soaking and rolling, wherein the rolling allowance is 60-70%, the vehicle speed is 13-25m/min, and directly entering a tentering and setting machine.
Further, in the step (5), a specific process of tentering and setting is as follows: the temperature is 120-160 ℃, the overfeed amount is 20-40%, and the vehicle speed is 13-25m/min.
In a second aspect of the invention, the cellulose acetylated diacetate super-soft light anti-pilling knitted fabric prepared by the preparation method is provided.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
the cellulose acetylated diacetate fiber and the cotton fiber are selected as raw materials, so that the fabric has the characteristics of silk-like appearance, moisture absorption, air permeability, strong drapability, lightness, skin friendliness and the like, and the aloe viscose fiber and the nylon fiber are added, so that the fabric has the skin-friendly antibacterial effect and better wear-resisting and tensile-resisting functions, and meanwhile, the cotton fiber can be better combined with the aloe viscose fiber to play a role in protecting the aloe viscose fiber and play a certain role in keeping warm and absorbing sweat.
According to the preparation method of the cellulose acetylated diacetate ultra-soft light anti-pilling knitted fabric, the dispersing agent is added in the dyeing process, the dispersing agent is utilized to improve the dispersion degree of oligomers in the dye solution, and the polymerization and agglomeration phenomena of the oligomers are remarkably reduced, so that frost and hydrolysis of the cellulose acetylated diacetate on the fabric in the dyeing process are avoided, and the dyeing effect and color fastness of the dyed fabric are prevented from being influenced; the addition of the anti-creasing agent can reduce the friction wrinkling between fabrics and between the fabrics and equipment, endow the fabrics with excellent smoothness in a wet state and reduce the scratches or streaks of the fabrics in the wet processing process.
Detailed Description
The following specific examples further illustrate the invention but are not to be construed as limiting the invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Example 1
The embodiment provides a preparation method of a cellulose acetylated diacetate extra-soft light anti-pilling knitted fabric, which comprises the following steps:
(1) Preparing yarns: the method comprises the following steps of spinning cellulose acetylated diacetate fibers, cotton fibers, aloe viscose fibers and nylon fibers serving as raw materials on a spinning machine to obtain blended yarns, wherein the blended yarns comprise 20% of the cellulose acetylated diacetate fibers, 30% of the aloe viscose fibers, 30% of the cotton fibers and 20% of the nylon fibers in percentage by weight;
(2) Weaving gray fabric: passing the blended yarn through a knitting machine and controlling the technological parameters of the knitting machine to obtain grey cloth;
(3) Boiling and bleaching pretreatment: placing the grey cloth in a dyeing tank according to a bath ratio of 1: 5, adding 1g/L of degreaser, 1g/L of detergent, 1g/L of penetrant, 1g/L of soda ash and 2-3% (o.w.f) of hydrogen peroxide; heating to 95 deg.C at 2 deg.C/min, holding for 25 min, cooling to below 75 deg.C at 1 deg.C/min, and discharging.
(4) Dyeing: the method comprises the steps of adopting a one-bath two-step process, firstly placing the pretreated gray fabric and dye liquor in a dyeing tank according to a bath ratio of 1: 5, adding an anti-wrinkling agent of 0.5-1g/L, a penetrating agent of 1g/L and a dispersing agent of 0.5-1g/L at 40 ℃, adjusting the pH value to 5 with acetic acid, adding a disperse dye, operating for 10min, heating the dye liquor to 70 ℃ at the speed of 2 ℃/min, keeping the temperature for 10min, heating to 90 ℃ at the speed of 1 ℃/min, keeping the temperature for 30min, and then cooling to 52 ℃ at the speed of 1 ℃/min to finish the disperse dye dyeing of cellulose acetylated diacetate fibers and nylon fibers. Then adding a dye solution with pH8 adjusted by reactive dye, leveling agent 1.2g/L, penetrating agent 0.7g/L and sodium carbonate into the attached cylinder, adding the circulating solution sucked out from the main cylinder into the attached cylinder slowly in cooperation with the well-laid dye solution, keeping the temperature for 32min, and finishing the dyeing of the cotton fiber and the aloe viscose fiber by a constant-temperature dyeing method. After the dyeing is finished, cooling to below 40 ℃ at the cooling rate of 1.1 ℃/min, discharging the dye liquor, and washing with clear water;
(5) And (3) post-treatment: and (3) carrying out anti-pilling finishing, tentering and setting, cloth inspecting and rolling on the dyed grey cloth to obtain the cellulose acetylated diacetate ultra-soft and light anti-pilling knitted fabric.
As a preferable example, in the step (4), the dyeing solution includes water, a disperse dye, a reactive dye, sodium lignosulfonate, a crease-resist agent, a dispersant, a penetrating agent, a leveling agent, acetic acid, sodium carbonate and a surfactant.
As a preferred example, the surfactant is one or more of monoalkyl phosphate ester, triacetin and alkyl polyglycoside.
As a preferable example, the disperse dye is a low-temperature disperse dye.
As a preferable example, in the step (4), the dispersant is a mixture of a surfactant and water.
As a preferred example, in the step (5), the anti-pilling finishing process is as follows: softening the dyed grey cloth, placing the grey cloth in a solution at the temperature of 50 ℃ in an open width manner, adding an anti-pilling auxiliary agent in an amount of 35g/L, carrying out anti-pilling finishing by one-time soaking and one-time rolling, and directly entering a tentering and setting machine at the vehicle speed of 14m/min and the rolling residual rate of 62%.
As a preferred example, in the step (5), the specific process of tentering and setting is: the temperature is 125 ℃, the overfeed amount is 35 percent, and the vehicle speed is 14m/min.
Example 2
The embodiment provides a preparation method of a cellulose acetylated diacetate extra-soft light anti-pilling knitted fabric, which comprises the following steps:
(1) Preparing yarns: spinning on a spinning machine by using cellulose acetylated diacetate fiber, cotton fiber, aloe viscose fiber and nylon fiber as raw materials to obtain blended yarn, wherein the blended yarn comprises 25 wt% of cellulose acetylated diacetate fiber, 25 wt% of aloe viscose fiber, 35 wt% of cotton fiber and 15 wt% of nylon fiber;
(2) Weaving grey cloth: enabling the blended yarns to pass through a knitting machine and controlling the technological parameters of knitting by the knitting machine to obtain grey cloth;
(3) Boiling and bleaching pretreatment: placing the grey cloth in a dyeing tank according to a bath ratio of 1: 6, adding 2.5g/L of degreaser, 2g/L of detergent, 3g/L of penetrant, 3g/L of soda ash and 3-5% (o.wf) of hydrogen peroxide; heating to 97 deg.C at 2.5 deg.C/min, holding for 30min, cooling to below 75 deg.C at 1.5 deg.C/min, and discharging.
(4) Dyeing: the method comprises the steps of adopting a one-bath two-step process, firstly placing the pretreated gray fabric and dye liquor in a dyeing tank according to a bath ratio of 1: 6, adding an anti-wrinkling agent of 1.7-2g/L, a penetrating agent of 2g/L and a dispersing agent of 1.7-2g/L at 40 ℃, adjusting the pH value to 5.5 with acetic acid, adding a disperse dye, operating for 10min, heating the dye liquor to 75 ℃ at a speed of 2.5 ℃/min, keeping the temperature for 10min, heating to 97 ℃ at a speed of 1.2-1.5 ℃/min, keeping the temperature for 30-50min, and cooling to 55 ℃ at a speed of 1.5 ℃/min to complete the disperse dye dyeing of diacetate fibers and nylon fibers. And then adding a dye solution with pH9 adjusted by reactive dye, leveling agent 2g/L, penetrating agent 1g/L and sodium carbonate into the attached cylinder, pumping out the circulating liquid from the main cylinder to cooperate with the attached and canned dye solution, slowly adding the circulating liquid into the main cylinder, carrying out heat preservation operation for 30-50min, and finishing the dyeing of the cotton fiber and the aloe viscose fiber by a constant-temperature dyeing method. After the completion, the temperature is reduced to below 40 ℃ at the cooling rate of 1.5 ℃/min, the dye liquor is discharged, and the dye liquor is washed by clear water;
(5) And (3) post-treatment: and (3) carrying out anti-pilling finishing, tentering and setting, cloth inspecting and rolling on the dyed grey cloth to obtain the cellulose acetylated diacetate ultra-soft light anti-pilling knitted fabric.
As a preferable example, in the step (4), the dyeing solution includes water, disperse dyes, reactive dyes, sodium lignosulfonate, anti-wrinkling agents, dispersing agents, penetrating agents, leveling agents, acetic acid, sodium carbonate and surfactants.
As a preferred example, the surfactant is one or more of monoalkyl phosphate ester, triacetin and alkyl polyglycoside.
As a preferable example, the disperse dye is a low-temperature disperse dye.
As a preferable example, in the step (4), the dispersant is a mixture of a surfactant and water.
As a preferred example, in the step (5), the anti-pilling finishing process is as follows: softening the dyed grey cloth, placing the cloth in a solution with the temperature of 60 ℃ in an open width manner, adding an anti-pilling assistant in an amount of 50g/L, carrying out anti-pilling finishing by soaking and rolling, wherein the rolling residual rate is 65%, the vehicle speed is 20m/min, and directly entering a tentering and forming machine.
As a preferred example, in the step (5), the specific process of tentering setting is as follows: the temperature is 140 ℃, the overfeed amount is 35 percent, and the vehicle speed is 20m/min.
Example 3
The embodiment provides a preparation method of a cellulose acetylated diacetate extra-soft light anti-pilling knitted fabric, which comprises the following steps:
(1) Preparing yarns: the method comprises the following steps of spinning cellulose acetylated diacetate fibers, cotton fibers, aloe viscose fibers and nylon fibers serving as raw materials on a spinning machine to obtain blended yarns, wherein the blended yarns comprise 30% of the cellulose acetylated diacetate fibers, 20% of the aloe viscose fibers, 40% of the cotton fibers and 10% of the nylon fibers in percentage by weight;
(2) Weaving gray fabric: passing the blended yarn through a knitting machine and controlling the technological parameters of the knitting machine to obtain grey cloth;
(3) Boiling and bleaching pretreatment: placing the grey cloth in a dyeing tank according to a bath ratio of 1: 7, adding 4g/L of degreaser, 1.5g/L of detergent, 2g/L of penetrant and 8-10% (o.w.f) of hydrogen peroxide of 4g/L of soda; heating to 100 deg.C at 2.8 deg.C/min, maintaining for 17-25 min, cooling to 75 deg.C at 1 deg.C/min, and discharging.
(4) Dyeing: the method comprises the steps of adopting a one-bath two-step process, firstly placing the pretreated gray fabric and dye liquor in a dyeing tank according to a bath ratio of 1: 7, adding an anti-wrinkling agent of 2.8g/L, a penetrating agent of 2g/L and a dispersing agent of 2.6g/L at 40 ℃, adjusting the pH value to 6.2 by acetic acid, adding a disperse dye, operating for 10min, heating the dye liquor to 74 ℃ at the speed of 2.8 ℃/min, keeping the temperature for 10min, heating to 103 ℃ at the speed of 1.3 ℃/min, keeping the temperature for 32-45min, and cooling to 52 ℃ at the speed of 2 ℃/min to complete the disperse dye dyeing of cellulose acetylated diacetate fibers and nylon fibers. Then adding a reactive dye, a leveling agent 2.8g/L, a penetrating agent 2.2g/L and a dyeing solution with the pH value of 8.5 into the attached cylinder, adjusting the pH value of the dyeing solution with sodium carbonate, adding the circulating solution sucked out through the main cylinder and the attached and cylinder dyed dyeing solution slowly into the main cylinder, keeping the temperature and running for 45-50min, and finishing the dyeing of the over-dyed cotton fiber and the aloe viscose fiber by a constant-temperature dyeing method. After the completion, cooling to below 40 ℃ at a cooling rate of 2 ℃/min, discharging the dye liquor, and washing with clear water;
(5) And (3) post-treatment: and (3) carrying out anti-pilling finishing, tentering and setting, cloth inspecting and rolling on the dyed grey cloth to obtain the cellulose acetylated diacetate ultra-soft light anti-pilling knitted fabric.
As a preferable example, in the step (4), the dye solution includes water, a disperse dye, a reactive dye, sodium lignosulfonate, a wrinkle preventing agent, a dispersing agent, a penetrating agent, a leveling agent, acetic acid, sodium carbonate and a surfactant.
As a preferred example, the surfactant is one or more of monoalkyl phosphate ester, triacetin and alkyl polyglycoside.
As a preferable example, the disperse dye is a low-temperature disperse dye.
As a preferable example, in the step (4), the dispersant is a mixture of a surfactant and water.
As a preferred example, in the step (5), the anti-pilling finishing process is as follows: softening the dyed grey cloth, placing the grey cloth in a solution at the temperature of 60 ℃ in an open width manner, adding an anti-pilling auxiliary agent in an amount of 60g/L, carrying out anti-pilling finishing by one-time soaking and one-time rolling, wherein the rolling residual rate is 70%, the vehicle speed is 22m/min, and directly entering a tentering and forming machine.
As a preferred example, in the step (5), the specific process of tentering and setting is: the temperature is 150 ℃, the overfeed amount is 30 percent, and the vehicle speed is 22m/min.
Example 4
This example also provides a cellulose acetylated diacetate ultra soft, light, anti-pilling knit fabric made by the method described in examples 1-3.
The cellulose acetylated diacetate super-soft and light anti-pilling knitted fabric prepared in the examples 1-3 is tested according to various conventional indexes, and the test results of the specific examples are as follows:
1) Drying and water shrinkage rate: straight-direction-0.3%, transverse-1.2%;
2) Washing fastness 4-5 grade, perspiration fastness 4-5 grade, water fastness 4-5 grade, dry rubbing fastness 4 grade, wet rubbing fastness 3-4 grade, color fastness 4-5 grade, and silk hooking resistance 3-4 grade;
3) The breaking strength is 320N, and the fuzz and pilling resistance is 3-4 grades.
The data show that the cellulose acetylated diacetate ultra-soft and light anti-pilling knitted fabric prepared by the preparation method has excellent anti-cracking, anti-pilling performance and color fastness (both reach over 3.5 grades), and the uniformity of the performance is good, so that the strength damage of the fabric is small, the fabric meets the textile requirement, and the color fastness requirement of the fabric meets the requirement of the fabric for clothes.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications or alterations to this practice will occur to those skilled in the art and are intended to be within the scope of this invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.
Claims (9)
1. The preparation method of the cellulose acetylated diacetate super-soft light anti-pilling knitted fabric is characterized by comprising the following steps of:
(1) Preparing yarns: spinning on a spinning machine by using cellulose acetylated diacetate fiber, cotton fiber, aloe viscose fiber and nylon fiber as raw materials to obtain blended yarn;
(2) Weaving grey cloth: passing the blended yarn through a knitting machine and controlling the technological parameters of the knitting machine to obtain grey cloth;
(3) Boiling and bleaching pretreatment: placing the grey cloth in a dyeing tank according to a bath ratio of 1: 5-8, adding 1-4gL of degreaser, 1-3g/L of detergent, 1-5g/L of penetrant, 1-5g/L of soda and 1-10% (o.w.f) of hydrogen peroxide; heating to 95-100 deg.C at 2-3 deg.C/min, maintaining for 15-40 min, cooling to below 75 deg.C at 1-2 deg.C/min, and discharging.
(4) Dyeing: placing the pretreated gray fabric and dye liquor into a dyeing vat according to the bath ratio of 1: 5-10, adding 0.5-3g/L of anti-wrinkling agent, 1-3g/L of penetrating agent, 0.5-3g/L of dispersing agent and acetic acid to regulate the pH value to 5-6.5 at 40 ℃, adding disperse dye, running for 10min, heating at 2-3 ℃/min to heat the dye liquor to 70-75 ℃, keeping the temperature for 10min, heating at 1-1.5 ℃/min to 90-105 ℃, keeping the temperature for 30-50min, and cooling at 1-2 ℃/min to 50-60 ℃ to finish the disperse dye dyeing of cellulose acetylated diacetate fibers and nylon fibers. Then adding a dye solution of which the pH is adjusted to be 8-10 into the attached vat, adding 1-3g/L of reactive dye, 1-3g/L of leveling agent, 0.5-2.5g/L of penetrating agent and sodium carbonate into the attached vat, adding the circulating solution sucked out from the main vat into the attached vat in cooperation with the well-laid dye solution slowly into the main vat, keeping the temperature for 30-50min, and finishing the dyeing of the cotton fiber and the aloe viscose fiber by a constant-temperature dyeing method. After the dyeing is finished, cooling to below 40 ℃ at the cooling rate of 1-2 ℃/min, discharging the dye liquor, and washing with clear water;
(5) And (3) post-treatment: and (3) carrying out anti-pilling finishing, tentering and setting, cloth inspecting and rolling on the dyed grey cloth to obtain the cellulose acetylated diacetate ultra-soft light anti-pilling knitted fabric.
2. The method for preparing the cellulose acetylated diacetate extra soft and light anti-pilling knitted fabric as claimed in claim 1, wherein in the step (1), the blended yarn comprises 20-30% cellulose acetylated diacetate fiber, 20-40% aloe viscose fiber, 20-40% cotton fiber and 10-20% nylon fiber by weight percentage.
3. The method for preparing the cellulose acetylated diacetate extra soft and light anti-pilling knitted fabric as claimed in claim 1, wherein in the step (4), the dye solution comprises water, disperse dye, reactive dye, sodium lignosulfonate, anti-creasing agent, dispersing agent, penetrating agent, leveling agent, acetic acid, sodium carbonate and surfactant.
4. The method for preparing the cellulose acetylated diacetate extra soft and light anti-pilling knitted fabric according to claim 3 wherein the surfactant is one or more of monoalkyl phosphate ester, triacetin and alkyl polyglycoside.
5. The method for producing a cellulose acetylated diacetate extra soft and light anti-pilling knitted fabric according to claim 3 wherein the disperse dye is a low temperature type disperse dye.
6. The method for producing a cellulose acetylated diacetate ultra-soft and light anti-pilling knitted fabric according to claim 1, wherein in the step (4), the dispersing agent is a mixture of a surfactant and water.
7. The method for preparing the cellulose acetylated diacetate extra-soft and light anti-pilling knitted fabric according to claim 1, wherein in the step (5), the anti-pilling finishing process comprises the following steps: softening the dyed grey cloth, putting the grey cloth in a solution at the temperature of 50-70 ℃ in an open width manner, adding an anti-pilling auxiliary agent in an amount of 30-70g/L, carrying out anti-pilling finishing by one-time soaking and one-time rolling, wherein the rolling residual rate is 60-70%, the vehicle speed is 13-25m/min, and directly entering a tentering setting machine.
8. The method for preparing the cellulose acetylated diacetate ultra-soft and light anti-pilling knitted fabric according to claim 1, wherein in the step (5), the tenter setting process comprises the following steps: the temperature is 120-160 ℃, the overfeed amount is 20-40%, and the vehicle speed is 13-25m/min.
9. A cellulose acetylated diacetate extra soft light anti-pilling knitted fabric prepared according to the method of preparation of any one of claims 1 to 8.
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| CN109281174A (en) * | 2018-08-28 | 2019-01-29 | 上海题桥纺织染纱有限公司 | A kind of anti pilling imitates woollen fabric and preparation method thereof |
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