CN114182420A - Polyester color cloud cool single jersey and preparation method thereof - Google Patents
Polyester color cloud cool single jersey and preparation method thereof Download PDFInfo
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- CN114182420A CN114182420A CN202111473861.8A CN202111473861A CN114182420A CN 114182420 A CN114182420 A CN 114182420A CN 202111473861 A CN202111473861 A CN 202111473861A CN 114182420 A CN114182420 A CN 114182420A
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- 229920000728 polyester Polymers 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000004744 fabric Substances 0.000 claims abstract description 137
- 238000004043 dyeing Methods 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 210000004243 sweat Anatomy 0.000 claims abstract description 22
- 229920000742 Cotton Polymers 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 239000004925 Acrylic resin Substances 0.000 claims description 12
- 229920000178 Acrylic resin Polymers 0.000 claims description 12
- 229920005749 polyurethane resin Polymers 0.000 claims description 12
- 238000009940 knitting Methods 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- 230000001153 anti-wrinkle effect Effects 0.000 claims description 5
- 238000004061 bleaching Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000007598 dipping method Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- 229920002635 polyurethane Polymers 0.000 description 8
- 239000004814 polyurethane Substances 0.000 description 8
- 239000008187 granular material Substances 0.000 description 6
- 229920006397 acrylic thermoplastic Polymers 0.000 description 4
- 238000005187 foaming Methods 0.000 description 4
- 239000004088 foaming agent Substances 0.000 description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003595 mist Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 150000003973 alkyl amines Chemical class 0.000 description 2
- 229940088990 ammonium stearate Drugs 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- JPNZKPRONVOMLL-UHFFFAOYSA-N azane;octadecanoic acid Chemical compound [NH4+].CCCCCCCCCCCCCCCCCC([O-])=O JPNZKPRONVOMLL-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- 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
- D04B1/22—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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
- D06H7/04—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials longitudinally
- D06H7/08—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials longitudinally for cutting tubular fabric longitudinally
-
- 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
-
- 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
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/8223—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups
-
- 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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Of Fabric (AREA)
Abstract
The invention relates to a preparation method of polyester colorful cloud cool single jersey, which comprises the following steps: (1) supplying polyester cotton as a first yarn to a feeder punch at a first tension; (2) supplying the full cotton yarn as a second yarn to the feeding machine punch at a second tension to form a hollow rod structure knitted fabric; (3) forming a flat knitted fabric; arranging the flat knitted fabric on a tenter frame; (4) heating the plane knitted fabric on the tentering frame, thereby stabilizing the knitted fabric and forming uncolored cool single jersey; (5) moving the uncolored cool-feeling single jersey to contact with the fine granular multicolor dye so as to dye one side or two sides of the uncolored cool-feeling single jersey for the first time; (6) and carrying out secondary dyeing on the cool-feeling single jersey to form the polyester color cloud cool-feeling single jersey. The invention also relates to the polyester colorful cloud cool sweat cloth prepared by the method. The invention has simple process and low cost; the product has colorful color, rich cool feeling, comfortable wearing, flexibility and firmness and is not easy to damage.
Description
Technical Field
The invention relates to the technical field of textile fabrics, in particular to polyester colorful cloud cool single jersey and a preparation method thereof.
Background
In hot summer, people need to wear clothes with cooling function. The single jersey is a better material with cool feeling in the field, is a weft plain knitted fabric for manufacturing underwear, has smooth cloth surface, clear lines, fine texture, smooth hand feeling, better extensibility in the longitudinal direction and the transverse direction, larger extensibility in the transverse direction than in the longitudinal direction, and better hygroscopicity and air permeability.
In addition, people have higher and higher requirements on the expression effect of the color and the shape of the cloth.
Therefore, it is an urgent requirement of people to provide colorful and cool undershirt cloth.
Disclosure of Invention
Therefore, the invention provides polyester colorful cloud cool sweat cloth and a preparation method thereof. The invention has simple process and low cost; the product has colorful and bright color, is comfortable to wear, flexible and firm, and is not easy to damage, thereby greatly meeting the living demands of people.
In order to realize the purpose, the invention provides a preparation method of polyester color cloud cool sweat cloth, which comprises the following steps:
(1) supplying polyester cotton with the thickness of 100-125 g/L100 as a first yarn to a feeder punch through a circular knitting machine at a first tension;
(2) supplying all cotton yarns with the thickness of 100-110 g/L100 to the feeding machine punch through a circular knitting machine at a second tension as second yarns to form a knitted fabric with a hollow rod structure;
(3) cutting the knitted fabric of the hollow rod structure to form a flat knitted fabric; disposing the flat knit fabric on a tenter frame, maintaining lengths of the first yarn and the second yarn in the flat knit fabric;
(4) heating the flat knitted fabric on the tenter frame to fasten the first yarn and the second yarn, thereby stabilizing the knitted fabric and forming uncolored cool undershirt cloth; the shrinkage rate of the knitted fabric after the heating treatment is between-5% and-7%;
(5) moving the uncolored cool-feeling single jersey to contact with the fine granular multicolor dye so as to dye one side or two sides of the uncolored cool-feeling single jersey for the first time;
(6) and carrying out secondary dyeing on the cool-feeling single jersey to finally form the polyester, colorful and cloud cool-feeling single jersey.
Preferably, the first tension is lower than the second tension, and the knitted fabric is washed before the heat treatment of step (4), using an anti-wrinkle agent as a lubricant in the washing.
In any of the above aspects, it is preferable that in the step (3), after the flat knitted fabric is formed, it is placed under steam or wetted by dipping and pressing to relax the flat knitted fabric; the flat knit is held on the edges of the tenter frame by pins and stretched in the length and width directions to restore the knit to the desired dimensions and basis weight, after which the lengths of the first and second yarns in the flat knit are maintained.
In any of the above schemes, preferably, in the step (4), the heating treatment is performed by using an oven, and at the outlet of the oven, the flat knitted fabric is released from the frame of the tenter and is sewn back to the hollow rod structure; the knitted fabric is then subjected to a washing and bleaching treatment and is dewatered by means of squeeze rollers or centrifuges, and finally the stitches are removed and the knitted fabric is reopened to a flat knitted fabric and dried at 40-50 ℃.
In any of the above embodiments, it is preferable that in the step (5), the fine-particle multicolor dye is prepared by spraying liquid dye, and then sieving is performed to separate large-particle multicolor dye and small-particle multicolor dye; when the primary dyeing is carried out, the uncolored cool-feeling single jersey is fixed on the warp beam, the small-particle multicolor dye penetrates through the uncolored cool-feeling single jersey from the inner side and/or the outer side of the warp beam, and the uncolored cool-feeling single jersey is dyed by utilizing the friction force.
In any of the above embodiments, it is preferable that in the step (6), the secondary dyeing is performed by mixing a large-particle multicolor dye with an acrylic resin or a polyurethane resin, applying the resulting mixture to a cool-feeling sweat cloth, and curing.
In any of the above aspects, it is preferable that the acrylic resin or the polyurethane resin is contained in an amount of 10 to 12% by weight, based on the total weight of the finally formed polyester color cloud cool-feeling undershirt cloth.
In order to achieve the purpose, the invention provides polyester colorful cloud cool-feeling single jersey, which comprises a first yarn of polyester cotton and a second yarn of all cotton, wherein the cool-feeling single jersey has colorful cloud color; the polyester colorful cloud cool sweat cloth is prepared through the steps.
Preferably, the polyester colorful cool sweat cloth is provided with a waterproof finishing agent or an antistatic finishing agent, and the finishing agent can be added after the first dyeing and before the second dyeing; or after secondary dyeing.
The invention has the beneficial effects that:
1. the invention has simple preparation process, low cost and high efficiency; the manufactured product does not shrink or stretch obviously, has elasticity and is suitable for users, and the wearing comfort of the clothes made of the knitted fabric is improved.
2. The product of the invention has high elasticity, thin structure, colorful and bright color, flexibility and firmness and is not easy to damage.
3. The dyeing process can ensure that the product keeps flexible, has good drapability and good hand feeling, and the undershirt cloth is cool, comfortable to wear and easy to move.
Detailed Description
The technical solutions of the present application will be described in detail below with reference to specific embodiments of the present application, but the following examples are only for the understanding of the present invention, and the examples and features of the examples in the present application can be combined with each other, and the present application can be implemented in various different ways as defined and covered by the claims.
Example 1
A preparation method of polyester colorful cloud cool sweat cloth comprises the following steps:
(1) supplying polyester cotton with a thickness of 100 g/L100 as a first yarn to a feeder punch by a circular knitting machine with a first tension;
(2) supplying all cotton yarn with a thickness of 100 g/L100 as a second yarn to the feeder punch with a second tension by a circular knitting machine to form a hollow bar structure knitted fabric;
(3) cutting the knitted fabric of the hollow rod structure to form a flat knitted fabric; disposing the flat knit fabric on a tenter frame, maintaining lengths of the first yarn and the second yarn in the flat knit fabric;
(4) heating the flat knitted fabric on the tenter frame to fasten the first yarn and the second yarn, thereby stabilizing the knitted fabric and forming uncolored cool undershirt cloth; the shrinkage of the knitted fabric after the heating treatment is-7%;
(5) moving the uncolored cool-feeling single jersey to contact with the fine granular multicolor dye so as to dye one side or two sides of the uncolored cool-feeling single jersey for the first time;
(6) and carrying out secondary dyeing on the cool-feeling single jersey to finally form the polyester, colorful and cloud cool-feeling single jersey.
The first tension is lower than the second tension, and the knitted fabric is washed before the heat treatment of step (4), using an anti-wrinkle agent as a lubricant in the washing.
In the step (3), the flat knitted fabric is placed under steam or wetted by dipping and pressing after being formed, so that the flat knitted fabric is relaxed; the flat knit is held on the edges of the tenter frame by pins and stretched in the length and width directions to restore the knit to the desired dimensions and basis weight, after which the lengths of the first and second yarns in the flat knit are maintained.
In the step (4), the heating treatment is carried out by adopting an oven for heating, and the flat knitted fabric is released from a tenter frame at the outlet of the oven and is sewn back to the hollow rod structure; the knitted fabric is then subjected to a washing and bleaching treatment and is dewatered by means of squeeze rollers or centrifuges, and finally the stitches are removed and the knitted fabric is reopened to be a flat knitted fabric and dried at 40 ℃.
In the step (5), the fine granular multicolor dye is prepared by spraying the liquid dye into mist, and then screening is carried out to separate large-granule multicolor dye and small-granule multicolor dye; when the primary dyeing is carried out, the uncolored cool-feeling single jersey is fixed on the warp beam, the small-particle multicolor dye penetrates through the uncolored cool-feeling single jersey from the inner side and/or the outer side of the warp beam, and the uncolored cool-feeling single jersey is dyed by utilizing the friction force.
In the step (6), the secondary dyeing is performed by mixing the large-particle multicolor dye with an acrylic resin or a polyurethane resin, applying the resulting mixture to a cool-feeling sweat cloth, and curing.
The finally formed polyester color cloud cool feeling undershirt cloth comprises 10% by weight of acrylic resin or polyurethane resin based on the total weight of the polyester color cloud cool feeling undershirt cloth.
Example 2
A preparation method of polyester colorful cloud cool sweat cloth comprises the following steps:
(1) supplying polyester cotton with a thickness of 110 g/L100 as a first yarn to a feeder punch by a circular knitting machine with a first tension;
(2) supplying, by a circular knitting machine, all cotton yarn having a thickness of 108g/L x 100 as a second yarn to the feeder punch at a second tension to form a hollow bar structured knit fabric;
(3) cutting the knitted fabric of the hollow rod structure to form a flat knitted fabric; disposing the flat knit fabric on a tenter frame, maintaining lengths of the first yarn and the second yarn in the flat knit fabric;
(4) heating the flat knitted fabric on the tenter frame to fasten the first yarn and the second yarn, thereby stabilizing the knitted fabric and forming uncolored cool undershirt cloth; the shrinkage of the knitted fabric after the heating treatment is 6 percent below zero;
(5) moving the uncolored cool-feeling single jersey to contact with the fine granular multicolor dye so as to dye one side or two sides of the uncolored cool-feeling single jersey for the first time;
(6) and carrying out secondary dyeing on the cool-feeling single jersey to finally form the polyester, colorful and cloud cool-feeling single jersey.
The first tension is lower than the second tension, and the knitted fabric is washed before the heat treatment of step (4), using an anti-wrinkle agent as a lubricant in the washing.
In the step (3), the flat knitted fabric is placed under steam or wetted by dipping and pressing after being formed, so that the flat knitted fabric is relaxed; the flat knit is held on the edges of the tenter frame by pins and stretched in the length and width directions to restore the knit to the desired dimensions and basis weight, after which the lengths of the first and second yarns in the flat knit are maintained.
In the step (4), the heating treatment is carried out by adopting an oven for heating, and the flat knitted fabric is released from a tenter frame at the outlet of the oven and is sewn back to the hollow rod structure; the knitted fabric is then subjected to a washing and bleaching treatment and is dewatered by means of squeeze rolls or centrifuges, and finally the stitches are removed and the knitted fabric is reopened to be a flat knitted fabric and dried at 44 ℃.
In the step (5), the fine granular multicolor dye is prepared by spraying the liquid dye into mist, and then screening is carried out to separate large-granule multicolor dye and small-granule multicolor dye; the large-particle multicolor dye is 50 meshes, and the small-particle multicolor dye is 100 meshes. When the primary dyeing is carried out, the uncolored cool-feeling single jersey is fixed on the warp beam, the small-particle multicolor dye penetrates through the uncolored cool-feeling single jersey from the inner side and/or the outer side of the warp beam, and the uncolored cool-feeling single jersey is dyed by utilizing the friction force. The application of friction is achieved by a pair of pressure rollers driven by a drive through a belt connecting the drive through a worm reduction gear to a spindle connected to the pressure rollers through a sprocket drive.
In the step (6), the secondary dyeing is performed by mixing the large-particle multicolor dye with an acrylic resin or a polyurethane resin, applying the resulting mixture to a cool-feeling sweat cloth, and curing.
The finally formed polyester color cloud cool feeling undershirt cloth comprises 10% by weight of acrylic resin or polyurethane resin based on the total weight of the polyester color cloud cool feeling undershirt cloth.
The method of applying the acrylic-based resin and the large particle multicolor dye to the knit fabric is to use a dye bath.
The dye bath is filled with a mixture of acrylic resin and large-particle pleochroic dye, diluted with water to a low viscosity so that it covers and preferably penetrates into the cool-feeling undershirt. The substrate was immersed in the dye bath and then removed to ensure a cool jersey with the mixture correctly loaded. The advantage of this method is that the cool-feel undershirt adds only minimal weight due to the addition of resin and large particle pleochroic dye, which helps to maintain low weight and good drape and hand of the fabric. It also often results in complete penetration of the cool cloth, adding coloration on both sides and inside the cloth.
Other preferred resins for attaching pigments to substrates are polyurethane resins. In addition, polyurethane adhesives may also be used. Although polyurethanes are less resistant to water attack than acrylics, they are easier to apply and less expensive than acrylics.
The mixture of polyurethane-based resin and large particle pleochroic dye is applied as a paste to a cool-feeling undershirt.
Further, the application of the polyurethane-based resin and the large-particle multicolor dye mixture is to foam the mixture and then apply the foamed mixture with a doctor blade or a roll. The foaming advantageously provides the resulting dyed cool-feeling undershirt cloth with good hand (cloth-like feel) and drapability (flexibility).
Foaming can be achieved by adding a foaming agent to the resin and large particle multicolor dye mixture, and can be mechanically or chemically foamed. Suitable foaming agents include surfactants, such as nonionic surfactants, e.g., alkyl amine oxides, and anionic surfactants, such as ammonium stearate.
Example 3
A preparation method of polyester colorful cloud cool sweat cloth comprises the following steps:
(1) supplying polyester cotton having a thickness of 125 g/L100 as a first yarn to a feeder punch by a circular knitting machine at a first tension;
(2) supplying all cotton yarn with a thickness of 110 g/L100 as a second yarn to the feeder punch with a second tension by a circular knitting machine to form a hollow bar structure knitted fabric;
(3) cutting the knitted fabric of the hollow rod structure to form a flat knitted fabric; disposing the flat knit fabric on a tenter frame, maintaining lengths of the first yarn and the second yarn in the flat knit fabric;
(4) heating the flat knitted fabric on the tenter frame to fasten the first yarn and the second yarn, thereby stabilizing the knitted fabric and forming uncolored cool undershirt cloth; the shrinkage of the knitted fabric after the heating treatment is-7%;
(5) moving the uncolored cool-feeling single jersey to contact with the fine granular multicolor dye so as to dye one side or two sides of the uncolored cool-feeling single jersey for the first time;
(6) and carrying out secondary dyeing on the cool-feeling single jersey to finally form the polyester, colorful and cloud cool-feeling single jersey.
The first tension is lower than the second tension, and the knitted fabric is washed before the heat treatment of step (4), using an anti-wrinkle agent as a lubricant in the washing.
In the step (3), the flat knitted fabric is placed under steam or wetted by dipping and pressing after being formed, so that the flat knitted fabric is relaxed; the flat knit is held on the edges of the tenter frame by pins and stretched in the length and width directions to restore the knit to the desired dimensions and basis weight, after which the lengths of the first and second yarns in the flat knit are maintained.
In the step (4), the heating treatment is carried out by adopting an oven for heating, and the flat knitted fabric is released from a tenter frame at the outlet of the oven and is sewn back to the hollow rod structure; the knitted fabric is then subjected to a washing and bleaching treatment and is dewatered by means of squeeze rollers or centrifuges, and finally the stitches are removed and the knitted fabric is reopened to a flat knitted fabric and dried at 50 ℃.
In the step (5), the fine granular multicolor dye is prepared by spraying the liquid dye into mist, and then screening is carried out to separate large-granule multicolor dye and small-granule multicolor dye; the large-particle multicolor dye is 50 meshes, and the small-particle multicolor dye is 100 meshes. When the primary dyeing is carried out, the uncolored cool-feeling single jersey is fixed on the warp beam, the small-particle multicolor dye penetrates through the uncolored cool-feeling single jersey from the inner side and/or the outer side of the warp beam, and the uncolored cool-feeling single jersey is dyed by utilizing the friction force. The application of friction is achieved by a pair of pressure rollers driven by a drive through a belt connecting the drive through a worm reduction gear to a spindle connected to the pressure rollers through a sprocket drive.
In the step (6), the secondary dyeing is performed by mixing the large-particle multicolor dye with an acrylic resin or a polyurethane resin, applying the resulting mixture to a cool-feeling sweat cloth, and curing.
The finally formed polyester color cloud cool feeling undershirt cloth comprises 12% of acrylic resin or polyurethane resin by weight.
The method of applying the acrylic-based resin and the large particle multicolor dye to the knit fabric is to use a dye bath.
The dye bath is filled with a mixture of acrylic resin and large-particle pleochroic dye, diluted with water to a low viscosity so that it covers and preferably penetrates into the cool-feeling undershirt. The substrate was immersed in the dye bath and then removed to ensure a cool jersey with the mixture correctly loaded. The advantage of this method is that the cool-feel undershirt adds only minimal weight due to the addition of resin and large particle pleochroic dye, which helps to maintain low weight and good drape and hand of the fabric. It also often results in complete penetration of the cool cloth, adding coloration on both sides and inside the cloth.
Other preferred resins for attaching pigments to substrates are polyurethane resins. In addition, polyurethane adhesives may also be used. Although polyurethanes are less resistant to water attack than acrylics, they are easier to apply and less expensive than acrylics.
The mixture of polyurethane-based resin and large particle pleochroic dye is applied as a paste to a cool-feeling undershirt.
Further, the application of the polyurethane-based resin and the large-particle multicolor dye mixture is to foam the mixture and then apply the foamed mixture with a doctor blade or a roll. The foaming advantageously provides the resulting dyed cool-feeling undershirt cloth with good hand (cloth-like feel) and drapability (flexibility).
Foaming can be achieved by adding a foaming agent to the resin and large particle multicolor dye mixture, and can be mechanically or chemically foamed. Suitable foaming agents include surfactants, such as nonionic surfactants, e.g., alkyl amine oxides, and anionic surfactants, such as ammonium stearate.
Example 4
A polyester color cloud cool-feeling undershirt cloth prepared by the method of embodiment 3, which comprises a first yarn of polyester cotton and a second yarn of all cotton, wherein the cool-feeling undershirt cloth has color cloud; the polyester colorful cloud cool sweat cloth is prepared through the steps.
The polyester colorful cloud cool sweat cloth is provided with a waterproof finishing agent or an antistatic finishing agent, and the finishing agent can be added after the first dyeing and before the second dyeing; or after secondary dyeing.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (9)
1. A preparation method of polyester colorful cloud cool sweat cloth is characterized by comprising the following steps:
(1) supplying polyester cotton with the thickness of 100-125 g/L100 as a first yarn to a feeder punch through a circular knitting machine at a first tension;
(2) supplying all cotton yarns with the thickness of 100-110 g/L100 to the feeding machine punch through a circular knitting machine at a second tension as second yarns to form a knitted fabric with a hollow rod structure;
(3) cutting the knitted fabric of the hollow rod structure to form a flat knitted fabric; disposing the flat knit fabric on a tenter frame, maintaining lengths of the first yarn and the second yarn in the flat knit fabric;
(4) heating the flat knitted fabric on the tenter frame to fasten the first yarn and the second yarn, thereby stabilizing the knitted fabric and forming uncolored cool undershirt cloth; the shrinkage rate of the knitted fabric after the heating treatment is between-5% and-7%;
(5) moving the uncolored cool-feeling single jersey to contact with the fine granular multicolor dye so as to dye one side or two sides of the uncolored cool-feeling single jersey for the first time;
(6) and carrying out secondary dyeing on the cool-feeling single jersey to finally form the polyester, colorful and cloud cool-feeling single jersey.
2. The method for preparing a polyester cloud cool sweat cloth according to claim 1, wherein the first tension is lower than the second tension, and the knitted fabric is washed before the heat treatment of step (4) using an anti-wrinkle agent as a lubricant in the washing.
3. The preparation method of the polyester cloud cool sweat cloth according to the claim 1 or 2, wherein in the step (3), after the plane knitted fabric is formed, the plane knitted fabric is placed under steam or wetted by dipping and squeezing, so that the plane knitted fabric is loosened; the flat knit is held on the edges of the tenter frame by pins and stretched in the length and width directions to restore the knit to the desired dimensions and basis weight, after which the lengths of the first and second yarns in the flat knit are maintained.
4. The method for preparing polyester cloud cool sweat cloth according to claim 3, wherein in the step (4), the heating treatment is performed by using an oven, and at the outlet of the oven, the flat knitted fabric is released from the frame of the tenter and is sewn back to the hollow rod structure; the knitted fabric is then subjected to a washing and bleaching treatment and is dewatered by means of squeeze rollers or centrifuges, and finally the stitches are removed and the knitted fabric is reopened to a flat knitted fabric and dried at 40-50 ℃.
5. The method for preparing polyester cloud cool sweat cloth according to claim 4, wherein in the step (5), the granular multicolor dye is prepared by spraying the liquid dye, and then screening to separate large granular multicolor dye and small granular multicolor dye; when the primary dyeing is carried out, the uncolored cool-feeling single jersey is fixed on the warp beam, the small-particle multicolor dye penetrates through the uncolored cool-feeling single jersey from the inner side and/or the outer side of the warp beam, and the uncolored cool-feeling single jersey is dyed by utilizing the friction force.
6. The method for preparing a cool-feeling polyester cloud sweat cloth according to claim 4 or 5, wherein in the step (6), the secondary dyeing is performed by mixing a large-particle multicolor dye with an acrylic resin or a polyurethane resin, and applying and curing the resulting mixture to the cool-feeling sweat cloth.
7. The method for preparing polyester color cloud cool-feeling undershirt cloth according to claim 6, wherein the acrylic resin or polyurethane resin is contained in an amount of 10-12% by weight based on the total weight of the finally formed polyester color cloud cool-feeling undershirt cloth.
8. The polyester colorful cloud cool-feeling single jersey is characterized by comprising a first yarn of polyester cotton and a second yarn of all cotton, wherein the cool-feeling single jersey has colorful cloud color; the polyester cloud cool sweat cloth is prepared by the preparation method according to the claims 1-7.
9. The polyester color cloud cool-feeling undershirt cloth according to claim 8, wherein the polyester color cloud cool-feeling undershirt cloth has a waterproof finishing agent or an antistatic finishing agent, and the finishing agent can be added after the first dyeing and before the second dyeing; or after secondary dyeing.
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