CN115679529A - Super-soft silky skin-friendly all-cotton knitted fabric and preparation method thereof - Google Patents
Super-soft silky skin-friendly all-cotton knitted fabric and preparation method thereof Download PDFInfo
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- 239000004744 fabric Substances 0.000 title claims abstract description 142
- 229920000742 Cotton Polymers 0.000 title claims abstract description 74
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title description 4
- 238000004043 dyeing Methods 0.000 claims abstract description 22
- 229920002334 Spandex Polymers 0.000 claims abstract description 13
- 238000009940 knitting Methods 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 10
- 238000007493 shaping process Methods 0.000 claims abstract description 6
- 238000009941 weaving Methods 0.000 claims abstract description 6
- 239000000975 dye Substances 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 11
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000004061 bleaching Methods 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 239000000985 reactive dye Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 5
- 239000003381 stabilizer Substances 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 4
- 229920003043 Cellulose fiber Polymers 0.000 claims description 3
- 239000004627 regenerated cellulose Substances 0.000 claims description 3
- 229920000433 Lyocell Polymers 0.000 claims description 2
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 claims description 2
- 230000002045 lasting effect Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000007378 ring spinning Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 206010020112 Hirsutism Diseases 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Abstract
The invention provides a preparation method of an ultra-soft silky skin-friendly all-cotton knitted fabric, which comprises the following steps: weaving grey cloth: simultaneously feeding the lycra spandex filament yarns and the super-soft blended yarns linearly arranged in cotton modal SOZ into a weft knitting machine for knitting to obtain fabric grey cloth; (2) dyeing: sending the grey cloth obtained in the step (1) into a dye vat for dyeing to obtain dyed cloth; (3) softening treatment: carrying out soft finishing on the dyed cloth through a soft groove, and dehydrating the grey cloth subjected to soft finishing; (4) shaping: and drying the dehydrated grey cloth, and tentering and setting the dried grey cloth on a setting machine to obtain the super-soft silky smooth skin-friendly all-cotton knitted fabric. The fabric prepared by the invention has the characteristics of super softness, smoothness and high elasticity, the softness of the fabric is ensured by adopting long stapled cotton fibers, the lasting elasticity and restoring force of the fabric are kept by adopting comfortable lycra spandex, the fabric is not easy to shrink and deform, the hand feeling of the fabric is softer by adopting modal fibers, and the fabric is skin-friendly when being worn.
Description
Technical Field
The invention relates to the technical field of fabric spinning, in particular to an ultra-soft silky skin-friendly all-cotton knitted fabric and a preparation method thereof.
Background
The types of the textile materials for the modern society are increasing day by day, and cotton as the traditional material still occupies an important position in a plurality of yarn raw materials due to the excellent skin-friendly performance. At present, mature cotton yarn spinning technologies mainly include two types, namely air spinning and ring spinning, and are used as the most widely applied ring spinning technologies, the hairiness performance of yarns is improved mainly by two modes of increasing the twist or introducing long stapled cotton content in the spinning process, so that the smoothness and the pilling resistance of fabrics are improved, and then a large amount of softening agents are added through after-treatment processing to achieve softer hand feeling and improve the texture of products. The production cost is obviously increased by increasing the content of the long stapled cotton, the high-twist yarn fabric has the characteristic of stiff hand feeling, the requirement of a consumer on softness cannot be met, although the soft hand feeling can be achieved through the after-finishing auxiliary agent, the hand feeling achieved through the after-finishing auxiliary agent often has the defect of large hand feeling difference after the fabric is washed, and the problems of artificial water pollution increase and the like exist in the production process.
Therefore, the development of the all-cotton high-grade knitted fabric which has the advantages of cost performance and capability of achieving super-soft skin-friendly hand feeling without depending on an auxiliary agent is another powerful embodiment of the innovation of enterprises.
Disclosure of Invention
The invention aims to provide an ultra-soft silky skin-friendly all-cotton knitted fabric and a preparation method thereof, aiming at the defects in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a preparation method of an ultra-soft silky skin-friendly all-cotton knitted fabric, which comprises the following steps:
(1) Weaving gray fabric: simultaneously feeding the lycra spandex filament and the super-soft blended yarn in linear arrangement of cotton Modal 'SOZ' into a weft knitting machine for knitting to obtain fabric grey cloth;
(2) Dyeing: sending the grey cloth obtained in the step (1) into a dye vat for dyeing, and controlling dyeing process parameters to obtain dyed cloth;
(3) Softening treatment: carrying out soft finishing on the dyed cloth through a soft tank at the speed of 16-22m/min, and dehydrating the soft finished grey cloth until the water content is 16-36%;
(4) Shaping: and (3) drying the dehydrated grey cloth at the drying temperature of 112-122 ℃ for 22-32s, tentering and setting the dried grey cloth on a setting machine at the temperature of 160-185 ℃, at the speed of 15-25m/min, and overfeeding for 15-30% to obtain the super-soft silky skin-friendly all-cotton knitted fabric.
Further, in the step (1), the specification of the cotton modal blended yarn is 14.5 to 18.2tex.
Further, in the step (1), the twist degree of the cotton modal super-soft blended yarn is 600-780 twist/m, and S twist or Z twist is selected.
Further, in the step (1), the mass percentage of the cotton modal blended yarn is 85-98% of long stapled cotton fiber and 2-15% of semi-refined modal fiber.
Further, in the step (1), the fabric grey cloth comprises, by mass, 4-8% of lycra spandex and the balance cotton modal super-soft blended yarn.
Further, the length of the long stapled cotton fiber is 38-45mm, and the modal comprises regenerated cellulose fibers such as lyocell and Ricchel, and the length of the regenerated cellulose fibers is 38-45mm.
Further, in the step (2), the process parameters for controlling dyeing comprise the following elements: introducing the grey cloth into a high-temperature high-pressure runway dye vat, wherein the bath ratio is 1:5-10, adding 0.2-2g/L of caustic soda, 0.5-2g/L of penetrating agent, 3-10% (o.w.f) of hydrogen peroxide and 1-5g/L of stabilizing agent into the dye bath, heating the dye bath to 65-100 ℃ at the speed of 1.5-2.5 ℃/min, preserving heat for 30-45min, boiling and bleaching, deoxidizing by using deoxyenzyme, and washing by water; circularly putting the reactive dye, the leveling agent, the penetrating agent and the sodium carbonate into a dye vat after the pot hardening materials are attached, after 10min operation, heating to 60-85 ℃ at the speed of 1-2 ℃/min, preserving heat for 30-45min, cooling to below 50 ℃ after the heat preservation, discharging water in the dye vat, soaping and washing, and removing the dyed cloth from the dye vat.
Further, in the step (3), the fabric is treated in a continuous softening finishing machine by the softening treatment, and the process comprises the following steps: hydrophilic silicone softener: 1.5 to 5.5 percent; citric acid: 0.5-1.5g/L; temperature: 40-55 ℃; pH value is 5-6, vehicle speed is 16-22m/min, rolling residual rate is 65-80%, and dewatering is carried out until water content is 16-36%.
Further, in the step (3), the soft and dehydrated smooth gray fabric is subjected to tentering setting in a setting machine, wherein the setting temperature is 150-175 ℃, the vehicle speed is 15-25m/min, and overfeeding is 10-25%. After the dyed fabric is shaped, the dyed fabric is subjected to moistening and preshrinking on a woolen blanket preshrinking machine under the steam pressure of 3-6Kg, so that the super-soft and silky feeling is further improved.
The second aspect of the invention provides an ultra-soft silky skin-friendly all-cotton knitted fabric which is prepared by the preparation method.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
the super-soft silky skin-friendly all-cotton knitted fabric prepared by the preparation method provided by the invention has the characteristics of super-softness, silky smoothness and high elasticity, wherein the softness of the fabric is ensured by adopting long stapled cotton fibers, the fabric keeps lasting elasticity and restoring force and is not easy to shrink and deform by adopting comfortable lycra spandex, and the fabric is softer in hand feeling and skin-friendly when being worn by adopting modal fibers.
According to the preparation method of the ultra-soft silky skin-friendly all-cotton knitted fabric, the obtained fabric has the characteristics that the outer surface has a smooth structure, and the inner surface has ultra-soft and lower transmission intensity.
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 an ultra-soft silky skin-friendly all-cotton knitted fabric, which comprises the following steps:
(1) Weaving gray fabric: the method comprises the following steps of simultaneously feeding lycra spandex filaments and cotton modal 'SOZ' linearly arranged super-soft blended yarns into a weft knitting machine for knitting to obtain fabric grey cloth, wherein the specification of the cotton modal super-soft blended yarns is 14.5tex, the twist of the cotton modal super-soft blended yarns is 600 twists/meter and 25% lower than the normal twist, S twist is selected, the cotton modal super-soft blended yarns are calculated by mass percent, long stapled cotton fibers are 85% and blue refined modal fibers are 15%, the length of the long stapled cotton fibers is 38mm, the length of the modal fibers is 38mm, the fabric grey cloth is calculated by mass percent, the lycra spandex is 4%, and the balance is the cotton modal super-soft blended yarns;
(2) Dyeing: sending the grey cloth obtained in the step (1) into a dye vat for dyeing, and controlling dyeing process parameters to obtain dyed cloth;
(3) Softening treatment: carrying out soft finishing on the dyed cloth through a soft tank at the speed of 16m/min, and dehydrating the soft finished grey cloth until the water content is 16%;
(4) Shaping: and (3) drying the dehydrated grey cloth at the drying temperature of 113 ℃ for 30s, tentering and setting the dried grey cloth on a setting machine at the temperature of 162 ℃ at the speed of 17m/min, and overfeeding 17% to obtain the super-soft silky smooth skin-friendly all-cotton knitted fabric.
As a preferred example, in the step (2), the process parameters for controlling dyeing comprise the following elements: introducing the grey cloth into a high-temperature high-pressure runway dye vat, wherein the bath ratio is 1:5, adding 0.8g/L of caustic soda, 0.8g/L of penetrant, 5% (o.w.f) of hydrogen peroxide and 2g/L of stabilizer into the dye bath, heating the dye bath to 90 ℃ at the speed of 2.0 ℃/min, running for 32min, boiling and bleaching, deoxidizing by using deoxyenzyme, and washing by using water; and (3) circularly putting the reactive dye, the leveling agent, the penetrating agent and the sodium carbonate into a dye vat after attaching the dye vat to the dye vat, heating to 62 ℃ at the temperature of 1 ℃/min after running for 10min, keeping the temperature for 42min, cooling to below 50 ℃ after keeping the temperature, discharging water in the dye vat, soaping and washing, and removing the dyed cloth out of the dye vat.
As a preferred example, in the step (3), the softening treatment is to treat the fabric in a continuous softening finishing machine, and the process is as follows: hydrophilic silicone softener: 2 percent; citric acid: 1g/L; temperature: 43 ℃; pH value is 5, vehicle speed is 18m/min, rolling residual rate is 70%, and dehydration is carried out until the water content is 18%.
As a preferable example, in the step (3), the soft and dehydrated smooth gray fabric is subjected to tenter setting in a setting machine, wherein the setting temperature is 155 ℃, the vehicle speed is 18m/min, and the overfeeding is 12%. After the dyed fabric is shaped, the dyed fabric is wetted and preshrunk under the steam pressure of 3Kg on a felt preshrunk machine, so that the super-soft and silky feeling is further increased.
Example 2
The embodiment provides a preparation method of an ultra-soft silky skin-friendly all-cotton knitted fabric, which comprises the following steps:
(1) Weaving grey cloth: simultaneously feeding lycra spandex filament yarns and cotton modal 'SOZ' linearly arranged super-soft blended yarns into a weft knitting machine for knitting to obtain fabric grey cloth, wherein the specification of the cotton modal blended yarns is 16.5tex, the twist of the cotton modal blended yarns is 650 twists per meter, S twists are selected, the cotton modal super-soft blended yarns comprise 90% of long stapled cotton fibers and 10% of blue refined modal fibers in percentage by mass, the length of the long stapled cotton fibers is 40mm, the length of the modal fibers is 40mm, the fabric lycra spandex is 6% in percentage by mass, and the balance is the cotton modal super-soft blended yarns;
(2) Dyeing; sending the grey cloth obtained in the step (1) into a dye vat for dyeing, and controlling dyeing process parameters to obtain dyed cloth;
(3) Softening treatment: carrying out soft finishing on the dyed cloth through a soft tank at the speed of 18m/min, and dehydrating the soft finished grey cloth until the water content is 25%;
(4) Shaping: drying the dehydrated grey cloth at 115 ℃ for 25s; and (3) tentering and setting the dried grey cloth on a setting machine, wherein the temperature is 170 ℃, the speed is 20m/min, and overfeeding is 23 percent, so that the super-soft silky smooth skin-friendly all-cotton knitted fabric is obtained.
As a preferred example, in the step (2), the process parameters for controlling dyeing include the following elements: introducing the grey cloth into a high-temperature high-pressure runway dye vat, adding 1g/L caustic soda, 1g/L penetrant, 7% (o.w.f) hydrogen peroxide and 3g/L stabilizer into a dye bath according to a bath ratio of 1: 7, heating the dye bath to 82 ℃ at a speed of 2.5 ℃/min, keeping the temperature for 35min, and carrying out scouring and bleaching, deoxidizing by using deoxyenzyme and washing by water; and (3) circularly putting the reactive dye, the leveling agent, the penetrating agent and the sodium carbonate into a dye vat after attaching the dye vat to the dye vat, heating to 65 ℃ at a speed of 1.5 ℃/min after running for 10min, preserving heat for 35min, cooling to below 50 ℃ after finishing preserving heat, discharging water in the dye vat, soaping, washing, and removing the dyed cloth from the dye vat.
As a preferred example, in the step (3), the softening treatment is performed on the fabric in a continuous softening finishing machine, and the process is as follows: hydrophilic silicone softener: 3.5 percent; and (3) citric acid: 1g/L; temperature: 45 ℃; the pH value is 5.5, the vehicle speed is 19m/min, the rolling residual rate is 73 percent, and the water content is dehydrated to 26 percent.
As a preferable example, the soft and dehydrated smooth gray fabric is subjected to tentering setting in a setting machine, the setting temperature is 160 ℃, the vehicle speed is 20m/min, and the overfeeding is 17.5%. After the dyed fabric is shaped, the dyed fabric is wetted and preshrunk under the steam pressure of 5Kg on a felt preshrunk machine, so that the super-soft and silky feeling is further increased.
Example 3
The embodiment provides a preparation method of an ultra-soft silky skin-friendly all-cotton knitted fabric, which comprises the following steps:
(1) Weaving gray fabric: the method comprises the following steps of simultaneously feeding super-soft blended yarns in linear arrangement of Lycra spandex filaments and cotton modal 'SOZ' into a weft knitting machine for knitting to obtain fabric grey cloth, wherein the specification of the cotton modal super-soft blended yarns is 18.2tex, the twist of the cotton modal blended yarns is 720 twists per meter, Z twists are selected, the cotton modal super-soft blended yarns are calculated by mass percent, long stapled cotton fibers account for 95%, blue refined modal fibers account for 5%, the length of the long stapled cotton fibers is 45mm, the length of the modal fibers is 45mm, the fabric grey cloth is calculated by mass percent, the Lycra spandex is 8%, and the balance is the cotton modal super-blended yarn soft blended yarns;
(2) Dyeing: sending the grey cloth obtained in the step (1) into a dye vat for dyeing, and controlling dyeing process parameters to obtain dyed cloth;
(3) Softening treatment: carrying out soft finishing on the dyed cloth through a soft tank at the speed of 20m/min, and dehydrating the soft finished grey cloth until the water content is 35%;
(4) Shaping: drying the dehydrated grey cloth at the drying temperature of 120 ℃ for 20s; and (3) tentering and setting the dried grey cloth on a setting machine, wherein the temperature is 170 ℃, the speed is 22m/min, and overfeeding is 25 percent, so that the super-soft silky smooth skin-friendly all-cotton knitted fabric is obtained.
As a preferred example, in the step (2), the process parameters for controlling dyeing comprise the following elements: introducing the grey cloth into a high-temperature high-pressure runway dye vat, adding 1.8g/L caustic soda, 1.8g/L penetrant, 9% (o.w.f) hydrogen peroxide and 4g/L stabilizer into the dye bath according to a bath ratio of 1: 8, heating the dye bath to 95 ℃ at a speed of 2.0 ℃/min, carrying out heat preservation operation for 32min, carrying out boiling bleaching, deoxidizing by using deoxyenzyme and washing by using water; and (3) circularly putting the reactive dye, the leveling agent, the penetrating agent and the sodium carbonate into a dye vat after attaching the dye vat to the dye vat, heating to 80 ℃ at the speed of 1.5 ℃/min after running for 10min, preserving heat for 30min, cooling to below 50 ℃ after finishing preserving heat, discharging water in the dye vat, soaping, washing, and removing the dyed cloth from the dye vat.
As a preferred example, in the step (3), the softening treatment is performed on the fabric in a continuous softening finishing machine, and the process is as follows: hydrophilic silicone softener: 5 percent; citric acid: 1.3g/L; temperature: 52 ℃; pH value is 6, vehicle speed is 20m/min, rolling allowance is 75%, and dehydration is carried out until the water content is 32%.
As a preferable example, in the step (3), the soft and dehydrated smooth gray fabric is subjected to tenter setting in a setting machine, the setting temperature is 172 ℃, the vehicle speed is 22m/min, and overfeeding is 22%. After the dyed fabric is shaped, the dyed fabric is subjected to wetting and preshrinking on a woolen blanket preshrinking machine under the steam pressure of 6Kg, so that the super-soft and silky feeling is further improved.
Example 4
This example also provides a super soft silky skin-friendly all cotton knitted fabric prepared by the method described in examples 1-3.
Various conventional indexes of the super-soft silky skin-friendly all-cotton knitted fabric prepared in the above examples 1 to 3 are tested, and the test results of the specific examples are as follows:
1) Drying shrinkage: 1.6 percent of straight direction and 2 percent of transverse direction;
2) Color fastness to light: 4, level; washing fastness is 4-5 grade, perspiration fastness is 4-5 grade, water fastness is 4-5 grade, dry rubbing fastness is 4 grade, and wet rubbing fastness is 3-4 grade;
3) pH value: 6.6 to 7;
4) Burst strength of 65psi, anti-pilling grade 3-4.
The data show that the super-soft silky skin-friendly all-cotton knitted fabric prepared by the preparation method has excellent anti-cracking, anti-pilling and color fastness (both reach above grade 4), and the uniformity of the performance is good, so that the strength damage of the fabric is small, the textile requirement is met, and the color fastness requirement of the fabric meets the clothing fabric.
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 and substitutions to the practice would be obvious to those skilled in the art and are intended to be within the scope of the present 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 (10)
1. A preparation method of an ultra-soft silky skin-friendly all-cotton knitted fabric is characterized by comprising the following steps:
(1) Weaving gray fabric: simultaneously feeding the lycra spandex filament and the super-soft blended yarn in linear arrangement of cotton Modal 'SOZ' into a weft knitting machine for knitting to obtain fabric grey cloth;
(2) Dyeing: sending the grey cloth obtained in the step (1) into a dye vat for dyeing, and controlling dyeing process parameters to obtain dyed cloth;
(3) Softening treatment: carrying out soft finishing on the dyed cloth through a soft tank at the speed of 16-22m/min, and dehydrating the soft finished grey cloth until the water content is 16-36%;
(4) Shaping: and (3) drying the dehydrated grey cloth at the drying temperature of 112-122 ℃ for 22-32s, tentering and setting the dried grey cloth on a setting machine at the temperature of 160-185 ℃, at the speed of 15-25m/min, and overfeeding for 15-30% to obtain the super-soft silky smooth skin-friendly all-cotton knitted fabric.
2. The method for preparing an ultra-soft silky skin-friendly all-cotton knitted fabric according to claim 1, wherein in the step (1), the specification of the cotton modal ultra-soft blended yarn is 14.5 to 18.2tex.
3. The method for preparing the ultra-soft silky skin-friendly all-cotton knitted fabric according to claim 1, wherein in the step (1), the twist of the cotton modal ultra-soft blended yarn is 600-780 twist/m, 15-30% lower than the normal twist, and S twist or Z twist is selected.
4. The method for preparing the ultra-soft silky skin-friendly all-cotton knitted fabric according to claim 1, wherein in the step (1), the cotton modal blended yarn comprises 85-98% by mass of long stapled cotton fibers and 2-15% by mass of lanjing modal fibers.
5. The preparation method of the ultra-soft silky skin-friendly all-cotton knitted fabric according to claim 1, characterized in that in the step (1), the fabric grey cloth comprises 4-8% by mass of Lycra spandex and the balance of cotton modal ultra-soft blended yarn.
6. The method for preparing an ultra-soft silky skin-friendly all-cotton knitted fabric according to claim 4, wherein the long stapled cotton fibers are 38-45mm in length, the modal comprises regenerated cellulose fibers such as lyocell and Ricchel, and the length is 38-45mm.
7. The method for preparing the ultra-soft silky skin-friendly all-cotton knitted fabric according to claim 1, wherein in the step (2), the technological parameters for controlling dyeing comprise the following elements: introducing the grey cloth into a high-temperature high-pressure runway dye vat, wherein the bath ratio is 1:5-10, adding 0.2-2g/L caustic soda, 0.5-2g/L penetrant, 3-10% (o.w.f) hydrogen peroxide and 1-5g/L stabilizer into a dye bath, heating the dye bath to 65-100 ℃ at a speed of 1.5-2.5 ℃/min, keeping the temperature for 30-45min, boiling and bleaching, deoxidizing by using deoxyenzyme, and washing by water; after the reactive dye, the leveling agent, the penetrating agent and the sodium carbonate are added into the dye vat to be added into the dye vat in a circulating mode, after 10min of operation, the temperature is raised to 60-85 ℃ at the speed of 1-2 ℃/min, the temperature is kept for 30-45min, after the temperature is kept, the temperature is reduced to below 50 ℃, water in the dye vat is discharged, soaping and water washing are carried out, and the dyed cloth is moved out of the dye vat.
8. The method for preparing the ultra-soft silky skin-friendly all-cotton knitted fabric according to claim 1, wherein in the step (3), the fabric is treated in a continuous softening finishing machine through softening treatment, and the process is as follows: hydrophilic silicone softener: 1.5 to 5.5 percent; and (3) citric acid: 0.5-1.5g/L; temperature: 40-55 ℃; pH value is 5-6, vehicle speed is 16-22m/min, rolling residual rate is 65-80%, and dewatering is carried out until water content is 16-36%.
9. The method for preparing an ultra-soft silky skin-friendly all-cotton knitted fabric according to claim 1, wherein in the step (3), the soft-processed and dehydrated smooth gray fabric is subjected to tentering setting in a setting machine, the setting temperature is 150-175 ℃, the vehicle speed is 15-25m/min, and overfeeding is 10-25%. After the dyed fabric is shaped, the dyed fabric is subjected to moistening and preshrinking on a woolen blanket preshrinking machine under the steam pressure of 3-6Kg, so that the super-soft and silky feeling is further improved.
10. An ultra-soft silky skin-friendly all-cotton knitted fabric prepared by the preparation method according to any one of claims 1 to 9.
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| JP2015148029A (en) * | 2014-02-07 | 2015-08-20 | ユニチカトレーディング株式会社 | Long and short composite spun yarns and fabric including the same |
| CN109371550A (en) * | 2018-12-29 | 2019-02-22 | 无锡红豆纺织服装有限公司 | A kind of elastomeric flexible knitting fabric and underwear |
| CN112553760A (en) * | 2020-11-30 | 2021-03-26 | 福建凤竹纺织科技股份有限公司 | Multifunctional modal/cotton blended knitted fabric and processing technology thereof |
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| CN103352312A (en) * | 2013-07-05 | 2013-10-16 | 宝鸡金健数码针纺有限责任公司 | Technology for producing Siwear fiber thermoregulation knitted fabric |
| JP2015148029A (en) * | 2014-02-07 | 2015-08-20 | ユニチカトレーディング株式会社 | Long and short composite spun yarns and fabric including the same |
| CN109371550A (en) * | 2018-12-29 | 2019-02-22 | 无锡红豆纺织服装有限公司 | A kind of elastomeric flexible knitting fabric and underwear |
| CN112553760A (en) * | 2020-11-30 | 2021-03-26 | 福建凤竹纺织科技股份有限公司 | Multifunctional modal/cotton blended knitted fabric and processing technology thereof |
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