CN113265754A - Easy-to-wring fabric for clothes and preparation method thereof - Google Patents
Easy-to-wring fabric for clothes and preparation method thereof Download PDFInfo
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- CN113265754A CN113265754A CN202110717344.4A CN202110717344A CN113265754A CN 113265754 A CN113265754 A CN 113265754A CN 202110717344 A CN202110717344 A CN 202110717344A CN 113265754 A CN113265754 A CN 113265754A
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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
- D04B1/10—Patterned fabrics or articles
- D04B1/102—Patterned fabrics or articles with stitch pattern
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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
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
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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
- D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
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- 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]
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- 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
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/021—Moisture-responsive characteristics hydrophobic
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- 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
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/022—Moisture-responsive characteristics hydrophylic
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Of Fabric (AREA)
Abstract
The invention provides an easy-wringing fabric for clothing and a preparation method thereof, the fabric has a double-layer structure of knitted jacquard, the first layer of the fabric is composed of waterproof elastic yarns and is provided with a plurality of jacquard bulges; the second layer is formed by arranging the waterproof elastic yarns and hydrophilic elastic yarns and is provided with a plurality of jacquard protrusions formed by the waterproof elastic yarns. The fabric is a knitted jacquard clothing fabric, and the gram weight is less than 200g/m2The fabric structure of the elastic yarn is fluffy and has soft touch feeling; after the fabric absorbs water, the liquid water is favorably locked. Most of the fabric is waterproof yarn, absorbed water is mainly stored in the gap between the yarn and the yarn, and the fabric is twisted by hands to easily squeeze out liquid water stored in the fabric structure. The fabric has double-layer structure, and has jacquard protrusions with three-dimensional polygon structure on both sidesThe fabric is beneficial to absorbing and transferring moisture on the surface of the skin to the fabric when in contact, and the protruding structure is waterproof yarn and is beneficial to keeping dry touch of the fabric.
Description
Technical Field
The invention belongs to the technical field of garment materials, and particularly relates to an easy-to-wring fabric for a garment and a preparation method thereof.
Background
The moisture absorption and quick drying or one-way moisture guide function of the existing clothes can absorb and transfer moisture on the skin-facing surface of the fabric to the front surface of the fabric, and the quick drying effect is achieved through diffusion evaporation. In the prior art, the functions of moisture conduction and quick drying are mainly realized by carrying out hydrophilic quick-drying finishing agent treatment on the fabric or using waterproof yarns which are arranged and distributed on the fabric in a specific way. For example, some of the existing unidirectional moisture-conducting fabrics have a surface layer made of conventional polyester yarns, and a base fabric made of waterproof polyester yarns and conventional polyester yarns which are woven in a certain proportion.
When a large amount of sweat is generated during human body sports, a large amount of liquid sweat is gathered on the surface of the skin, and the existing moisture absorption, quick drying and unidirectional moisture conduction functional fabric is applied, so that in some strenuous sports such as basketball and football, the clothes of a wearer in a large amount of sweat state cannot quickly discharge sweat, and the quick drying effect cannot be achieved through natural absorption, diffusion and evaporation; moisture of the garment fabric is gathered in the fabric structure after sweat absorption, and the fabric is weighted and can be adhered to the surface of skin, so that wearing experience is seriously influenced. The existing garment fabric is generally compact in structure and cannot store too much liquid moisture, a wearer usually grasps the lower hem of the garment to twist the garment when the garment is completely wet under a large amount of sweating states, and even directly takes off the garment to twist the garment, so that sweat gathered on the garment is reduced, moisture in the existing fabric after the moisture is twisted cannot be fully extruded, and the garment still has obvious wet feeling.
Therefore, an easily-wringed garment fabric is developed, and the wearing comfort of a wearer in a state of intense exercise and large sweat flow is improved.
Disclosure of Invention
In view of the above, the invention provides the easy-to-wring fabric for the clothes and the preparation method thereof.
The invention provides an easy-wringing fabric for clothing, which has a double-layer structure of knitted jacquard, wherein the first layer of the easy-wringing fabric is composed of waterproof elastic yarns and is provided with a plurality of jacquard bulges; the second layer of the easy-wringing fabric is composed of the waterproof elastic yarns and hydrophilic elastic yarns which are arranged according to a certain proportion, and is provided with a plurality of jacquard protrusions formed by the waterproof elastic yarnsStarting; the hydrophilic elastic yarn is used as a connecting yarn between the first layer and the second layer; the gram weight of the easy-wringing fabric is less than 200g/m2。
In the embodiment of the invention, the gram weight of the easy-wringing fabric is 180-2The thickness is 0.8-1.0 mm.
In the embodiment of the invention, the arrangement and distribution ratio of the waterproof elastic yarns to the hydrophilic elastic yarns in the second layer of the easy-wringing fabric is 2-4:1, preferably 3: 1.
In the embodiment of the invention, the material of the easy-wringing fabric is a polyester material.
In the embodiment of the invention, the cross sections of the jacquard protrusions of the easy-wringing fabric are polygons, preferably regular hexagons.
The invention provides a preparation method of an easy-to-wring fabric for clothing, which comprises the following steps:
s1, respectively providing waterproof elastic yarns and hydrophilic elastic yarns;
s2, performing double-sided knitting by adopting the waterproof elastic yarns and the hydrophilic elastic yarns according to a jacquard weave to obtain an easily-wrung fabric;
the first layer of the easy-wringing fabric is composed of waterproof elastic yarns and is provided with a plurality of jacquard protrusions; the second layer of the easy-wringing fabric is formed by arranging the waterproof elastic yarns and the hydrophilic elastic yarns in a certain proportion and is provided with a plurality of jacquard protrusions formed by the waterproof elastic yarns; the hydrophilic elastic yarn is used as a connecting yarn between the first layer and the second layer; the gram weight of the easy-wringing fabric is less than 200g/m2。
In an embodiment of the present invention, the waterproof elastic yarn is prepared according to the following steps:
immersing the elastic yarn into a waterproof finishing agent solution for waterproof treatment to prepare waterproof elastic yarn; the waterproof finishing agent is a fluorine-free waterproof agent.
In the embodiment of the invention, the elastic yarn for preparing the waterproof elastic yarn is formed by compounding an FDY (fully drawn yarn) tow and a POY (polyester pre-oriented yarn) tow, wherein the FDY tow is made of PBT (polybutylene terephthalate) material, and the POY tow is made of PET (polyethylene terephthalate).
In an embodiment of the invention, the hydrophilic elastic yarn is obtained according to the following steps:
immersing the elastic yarn into a hydrophilic finishing agent solution for hydrophilic treatment to prepare hydrophilic elastic yarn; the hydrophilic finishing agent is a non-ionic hydrophilic agent.
In the embodiment of the invention, the double-sided knitting adopts 2/4 multi-needle weft circular knitting machine.
The easy-to-wring fabric provided by the invention is a knitted jacquard garment fabric, and the gram weight is less than 200g/m2The yarn is elastic yarn, so that the fabric is fluffy and soft in touch. When the fabric absorbs water, the liquid water is favorably locked. Meanwhile, most of the fabric is waterproof yarns, moisture is mainly stored in gaps between the yarns after the fabric absorbs water, and liquid water stored in the fabric structure is easily squeezed out by twisting the fabric with hands. The fabric provided by the invention has a double-layer structure, the front side and the back side of the fabric are respectively provided with the jacquard protrusions with the structures of three-dimensional polygons and the like, so that the fabric is beneficial to absorbing and transferring moisture on the surface of skin to the fabric when the fabric is in contact with the skin, and meanwhile, the protrusions are made of waterproof yarns, so that the fabric is beneficial to keeping dry touch feeling and is not sticky.
Furthermore, the elastic yarn prepared by the embodiment of the invention adopts a FDY and POY composite yarn mode, wherein the FDY is made of PBT material, so that the elastic yarn has higher elasticity, the fiber coil proportion is improved, and the fabric has a bulkier effect.
Furthermore, the elastic yarn prepared by the embodiment of the invention adopts a fluorine-free waterproof agent during waterproof treatment, so that the elastic yarn is more environment-friendly and safer.
Drawings
FIG. 1 is a schematic representation of the front and back side forms of a face fabric according to some embodiments of the present invention;
FIG. 2 is a schematic representation of a cross-sectional structure of a fabric according to some embodiments of the present invention;
fig. 3 is a photograph of the surface morphology of a fabric according to some embodiments of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an easy-wringing fabric for clothing, which has a double-layer structure of knitted jacquard, wherein the first layer of the easy-wringing fabric is composed of waterproof elastic yarns and is provided with a plurality of jacquard bulges; the second layer of the easy-wringing fabric is formed by arranging the waterproof elastic yarns and the hydrophilic elastic yarns in a certain proportion and is provided with a plurality of jacquard protrusions formed by the waterproof elastic yarns; the hydrophilic elastic yarn is used as a connecting yarn between the first layer and the second layer; the gram weight of the easy-wringing fabric is less than 200g/m2。
The fabric provided by the invention is mainly used for clothes, can absorb more moisture, and is easy to screw out moisture in the fabric structure after being twisted by hands, so that the fabric is not sticky to wear under a state of sweating due to a large amount of movement, dry in touch and good in comfort.
The easy-to-wring fabric provided by the embodiment of the invention has a double-layer structure of knitting jacquard, namely the fabric is a knitted fabric with double-sided jacquard texture and has a fluffy structure; the fabric is of a two-layer structure, wherein the first layer is usually the front surface, the surface layer or the surface layer (the surface far away from the skin) of the fabric, and the corresponding second layer is the back surface, the bottom layer or the base fabric (the surface close to the skin) of the fabric. The fabric is a weft-knitted fabric, and a plurality of yarns are adopted to form loops along the transverse direction (weft direction) of the fabric surface in sequence.
Referring to fig. 1 and 2, fig. 1 is a schematic front side and a schematic back side of the fabric according to some embodiments of the present invention, and fig. 2 is a schematic cross-sectional structure of the fabric. In the embodiment of the invention, the front surface of the easy wringing fabric is composed of waterproof elastic yarns and is provided with a plurality of jacquard protrusions; the back surface of the fabric is formed by arranging the waterproof elastic yarns and the hydrophilic elastic yarns in a certain proportion and is provided with a plurality of jacquard protrusions formed by the waterproof elastic yarns; the hydrophilic elastic yarn is used as a middle connecting yarn between the front side and the back side of the fabric.
The fabric provided by the embodiment of the invention is a knitted fabric with a fluffy structure and soft touch, and the specific surface area is increased by utilizing the coils in the fluffy structure, so that the capillary effect is improved, and more water is locked; meanwhile, after the fibers are subjected to waterproof treatment, the moisture in the fabric structure is mainly stored in the gaps between the fibers, the water-absorbed fabric is twisted by hands, the fluffy structure is easier to compress, and the liquid moisture in the fiber gaps is easy to extrude.
According to the embodiment of the invention, the convex structures are designed on the front surface and the back surface of the fabric, when the garment is worn, the friction between the convex structures and the skin surface is favorable for absorbing liquid water on the skin surface, and the convex structures are formed by adopting waterproof yarns in a jacquard mode, so that the dry feeling of the contact between the fabric and the skin is improved. Preferably, the cross sections of the jacquard protrusions of the easy-wringing fabric are polygons, preferably regular hexagons, as shown in fig. 1. The front surface and the back surface of the fabric are both provided with raised hexagonal structures for reducing the contact area between the surface of the fabric and the skin, and the fabric can be designed into other polygonal three-dimensional structures.
In the embodiment of the invention, the surface layer yarns of the easy-wringing fabric are all waterproof elastic yarns, the middle connecting yarns are hydrophilic elastic yarns, the bottom layer is formed by arranging the waterproof elastic yarns and the hydrophilic elastic yarns at intervals according to a ratio of 3:1, and the ratio of 3: the 1 ratio is the optimum ratio for the test of the examples, which is the way the yarns are arranged and distributed on the weave structure, and the 3:1 ratio, i.e. the way 3 waterproof elastic yarns are spaced by 1 hydrophilic elastic yarn. Not exactly corresponding to fig. 1, fig. 1 only shows the relationship between the waterproof elastic yarn and the hydrophilic elastic yarn in a spaced manner, but not in a specific ratio. The invention has no special limit to the specific grade of the waterproofness and the hydrophilicity of the yarn; most of the fabric is waterproof yarns, when the fabric absorbs water, water is mainly stored in gaps between the yarns, and the fabric is twisted by hands to easily squeeze out liquid water stored in the fabric structure.
The material of the easy-to-wring-out fabric is polyester materials such as PET (polyethylene terephthalate), PBT (polybutylene terephthalate) and the like; the woven yarns are elastic yarns, such as FDY (fully drawn yarn) and POY (pre-oriented yarn) composite yarn mode, wherein the FDY is made of PBT materials and has larger elasticity, the fiber loop proportion is improved, and the fabric has a bulkier effect.
The easy-to-wring fabric provided by the invention is a knitted jacquard garment fabric, and the gram weight is less than 200g/m2(ii) a In the preferred embodiment of the invention, the gram weight of the easy-wringing fabric is 180-2And the thickness is 0.8-1.0mm (including the height of the projections). The surface morphology of the fabric according to some embodiments of the invention is shown in fig. 3, and fig. 3 is a picture of the front and back of the same fabric, but not limited to the jacquard weave structure; the stitch length of the fabric is about 38.5 stitches/40 cm, and the elasticity of the whole fabric is the elasticity of the conventional knitted fabric.
The processing process of the easy-wringing fabric in the embodiment of the invention generally comprises the following steps: firstly, preparing raw materials; secondly, knitting and weaving; thirdly, scutching; cloth inspecting; and fifthly, packaging the finished product. The invention also provides a preparation method of the easy-to-wring fabric for clothing, which comprises the following steps:
s1, respectively providing waterproof elastic yarns and hydrophilic elastic yarns;
s2, performing double-sided knitting by adopting the waterproof elastic yarns and the hydrophilic elastic yarns according to a jacquard weave to obtain an easily-wrung fabric;
the first layer of the easy-wringing fabric is composed of waterproof elastic yarns and is provided with a plurality of jacquard protrusions; the second layer of the easy-wringing fabric is formed by arranging the waterproof elastic yarns and the hydrophilic elastic yarns in a certain proportion and is provided with a plurality of jacquard protrusions formed by the waterproof elastic yarns; the hydrophilic elastic yarn is used as a connecting yarn between the first layer and the second layer; the gram weight of the easy-wringing fabric is less than 200g/m2。
The embodiment of the invention firstly prepares the elastic yarn, and the elastic yarn is preferably compounded by two different tows FDY and POY. The FDY tows are prepared from PBT, and the POY tows are prepared from PET. The embodiment of the invention takes the conventional commercially available PBT slices and PET slices as raw materials; wherein: PBT chips are available from the instrumented chemical fibers company, white, with an intrinsic viscosity of 1.05 and a melting point of 225 ℃. PET chips were also purchased from instrumented chemical fibers, white, intrinsic viscosity 0.66, melting point 260 ℃.
The FDY tow process specifically comprises the following steps: drying the PBT slice (the temperature is 135-140 ℃), then sequentially carrying out screw melt extrusion, melt filter, spinning box, metering pump and spinneret plate filament discharge (the spinning temperature is 260-265 ℃ and the spinning speed is 2800m/min), cooling the filament by side blowing (the wind temperature is 20-25 ℃ and the wind speed is 0.35-0.45m/s), bundling oiling (the oil content is 0.6%), carrying out godet and pre-interlacer (the network pressure is 0.3-0.5MPa), then carrying out drafting setting by using a hot roller GR1 (the temperature is 100-110 ℃, the speed is 1000-1200m/min), and carrying out drafting setting by using a hot roller GR2 (the temperature is 90-110 ℃ and the speed is 2800-3500m/min) to obtain FDY filament bundles; the invention is not limited to any particular process steps, and the preferred process parameters are shown in parentheses.
The POY tow process specifically comprises the following steps: crystallizing PET slices at 170-168 deg.C, drying at 165-168 deg.C, screw melt extruding, melt filtering, spinning with spinning tank, metering pump, spinneret plate at 280-290 deg.C and 2800-3000m/min, side blowing to cool filament yarns at 18-20 deg.C and 0.40-0.45m/s, bundling and oiling at 0.6%, and drawing with guide wire and guide disc. The invention is not limited to any particular process steps, and the preferred process parameters are shown in parentheses.
And (3) compounding the FDY tows drawn and shaped by GR2 of the FDY part and the POY tows coming out of the guide disc of the POY part one by one at a main network device (the pressure of the network device is 0.5-0.8MPa), and finally winding to form a composite yarn, namely the elastic yarn. Wherein, the elastic yarn belongs to mechanical elasticity, the yarn elongation can be 130-180%, and the yarn strength is 5-7 cN/dtex. In some embodiments, the FDY and POY tows are both 50D/48F gauge, and in other embodiments, the FDY and POY tows are both 75D/72F gauge.
According to the embodiment of the invention, the elastic yarn prepared by the method is partially subjected to waterproof treatment, and partially subjected to hydrophilic treatment to respectively obtain waterproof elastic yarn and hydrophilic elastic yarn; the waterproof treatment and the hydrophilic treatment are both carried out in a cone yarn state, and the waterproof agent and the hydrophilic agent are commercially available conventional waterproof agents and hydrophilic agent products.
The waterproof treatment steps are as follows: removing oil, namely treating in a solution containing NaOH, wherein the concentration of alkali is 0.3-0.6 g/L, and treating at the temperature of 100-120 ℃ for 15-25 min; soaking in waterproof finishing agent solution for 25-30min (60-80 g/L of waterproof finishing agent), and controlling the temperature at 120-; and thirdly, dehydrating to obtain the waterproof elastic yarn. Preferably, the adopted waterproof finishing agent is a fluorine-free waterproof agent, so that the waterproof finishing agent is safer and more environment-friendly. For example, the commercially available DuPont fluorine-free water repellent Zelan R3, alkyl urea ester, active ingredient 25. + -. 1%, off-white to white liquid may be used.
The hydrophilic treatment steps are as follows: removing oil, namely treating in a solution containing NaOH, wherein the concentration of alkali is 0.3-0.6 g/L, and treating at the temperature of 100-120 ℃ for 15-25 min; soaking in hydrophilic finishing agent solution for 30-40min (30-50 g/L of hydrophilic finishing agent), and controlling the temperature at 120-130 ℃; and thirdly, dehydrating to obtain the hydrophilic elastic yarn. The hydrophilic finishing agent is preferably a nonionic agent; the hydrophilic finishing agent is not particularly limited in the embodiment of the invention, and commercially available Hounsfield HSD, polyacrylic acid and polydimethylsiloxane compound and white emulsion can be adopted. In addition, the yarn may be subjected to conventional treatments such as dyeing.
The waterproof elastic yarns and the hydrophilic elastic yarns are adopted to weave the fabric (double-sided jacquard knitting), the adopted equipment can be an 2/4 multi-needle-track weft circular knitting machine, and the fabric structure and specification are as described above.
The fabric prepared by the embodiment of the invention has a two-layer structure, yarns on the front surface of the fabric are all made of waterproof elastic yarns, and the reverse surface of the fabric is preferably made of the waterproof elastic yarns and hydrophilic elastic yarns according to the weight ratio of 3:1, arranging in proportion, and adopting hydrophilic elastic yarn as connecting yarn between the front surface and the back surface of the fabric. Preferably, the front surface and the back surface of the fabric are both provided with convex hexagonal structures, and the fabric can also be designed into other polygonal three-dimensional jacquard structures for reducing the contact area between the surface of the fabric and the skin. The garment fabric easy to wring out is prepared by the embodiment of the invention, and the wearing comfort of a wearer in a state of intense exercise and large amount of sweating is improved.
For further understanding of the present application, the easy wringing fabric for clothing and the preparation method thereof provided by the present invention are specifically described below with reference to examples.
Example one
1. Preparing elastic yarns:
preparing FDY tows by adopting PBT, and preparing POY tows by adopting PET; both FDY and POY tows are 50D/48F gauge.
FDY tow process steps: drying the PBT slice (the temperature is 135-110 ℃ plus 140 ℃), then sequentially carrying out screw melt extrusion, melt filter, static mixing of a spinning box, a metering pump and filament discharge of a spinneret plate (the spinning temperature is 260-265 ℃ and the spinning speed is 2800m/min), cooling the filament by side blowing (the wind temperature is 20-25 ℃ and the wind speed is 0.35-0.45m/s), bundling oiling (the oil content is 0.6%), carrying out drawing setting by a hot roller GR1 (the temperature is 100-120 ℃, the speed is 1000-1200m/min) and a hot roller GR2 (the temperature is 90-110 ℃ and the speed is 2800-3500m/min) after a godet and a pre-interlacer (the network pressure is 0.3-0.5 MPa); the draft multiple is 1.2-1.3; the temperature and speed ranges described herein are meant to indicate that the material properties obtained within these ranges are satisfactory.
POY tow processing steps: crystallizing PET slices at 170-168 deg.C, drying at 165-168 deg.C, screw melt extruding, melt filtering, static mixing in spinning box, metering pump, spinneret plate to obtain filaments at 280-290 deg.C and 2800-3000m/min, side blowing to cool filaments at 18-20 deg.C and 0.40-0.45m/s, bundling and oiling (containing 0.6%) and drawing with guide hook and guide disk.
FDY tows obtained by drafting and shaping GR2 of the FDY part and POY tows obtained by a guide disc of the POY part are compounded one by one at a main network device (the pressure of the network device is 0.5-0.8MPa), and finally, the composite yarns are formed by winding, namely the elastic yarns, wherein the yarn elongation is 150% -180%, and the breaking strength is 5-6 cN/dtex.
Wherein, PBT slicing: chemical fiber is characterized by white color, intrinsic viscosity of 1.05 and melting point of 225 ℃. PET slicing: chemical fiber, white, intrinsic viscosity 0.66, melting point 260 ℃.
2. And (3) processing the elastic yarn:
and (3) performing waterproof treatment on part of the elastic yarn, and performing hydrophilic treatment on part of the elastic yarn, wherein the waterproof treatment and the hydrophilic treatment are both performed in a cheese yarn state.
Waterproof treatment: removing oil, namely treating in a solution containing NaOH, wherein the concentration of alkali is 0.3-0.6 g/L, and treating at the temperature of 100-120 ℃ for 15-25 min; dyeing, acid neutralization and water washing after oil removal, adding a leveling agent and dye into a dye vat to carry out dyeing treatment (step I, 1.5 ℃/min, keeping the temperature for 5 minutes after reaching 60 ℃, step II, 1.5 ℃, keeping the temperature for 5 minutes after reaching 95 ℃, 2.0 ℃/min, keeping the temperature for 30 minutes after reaching 130 ℃); disperse dye is adopted, the dosage is 4% (owf), the leveling agent is a nonionic high-temperature leveling agent, the main components are compounded by triphenylethylene phenol polyoxyethylene ether and triphenylethylene phenol polyoxyethylene ammonium sulfate, and the dosage is 1.2 g/L; soaking in waterproof finishing agent solution for 25-30min (60-80 g/L of waterproof finishing agent), and controlling the temperature at 120-; and fourthly, dehydrating, and drying for 10min at the temperature of 130 ℃ to obtain the waterproof elastic yarn. Wherein, the performance of the materials obtained within the process parameter range is close.
Wherein, the waterproof finishing agent: commercially available, DuPont fluoride free water repellent Zelan R3, alkyl urea ester, active ingredient 25 + -1%, off-white to white liquid.
Hydrophilic treatment step: removing oil, namely treating in a solution containing NaOH, wherein the concentration of alkali is 0.3-0.6 g/L, and treating at the temperature of 100-120 ℃ for 15-25 min; dyeing, acid neutralization and water washing after oil removal, adding a leveling agent and dye into a dye vat to carry out dyeing treatment (step I, 1.5 ℃/min, keeping the temperature for 5 minutes after reaching 60 ℃, step II, 1.5 ℃, keeping the temperature for 5 minutes after reaching 95 ℃, 2.0 ℃/min, keeping the temperature for 30 minutes after reaching 130 ℃); the raw materials are the same as above; soaking in hydrophilic finishing agent solution for 30-40min (30-50 g/L of hydrophilic finishing agent), and controlling the temperature at 120-130 ℃; and fourthly, dehydrating, and drying for 10min at the temperature of 130 ℃ to obtain the hydrophilic elastic yarn.
Wherein the hydrophilic finishing agent: commercially available, hensimei HSD, polyacrylic acid and polydimethylsiloxane complex, non-ionic, white emulsion.
3. Fabric weaving
The fabric is woven by adopting the prepared waterproof elastic yarns and hydrophilic elastic yarns, and the fabric processing process comprises the following steps: firstly, preparing raw materials; secondly, knitting and weaving; thirdly, scutching; cloth inspecting; and fifthly, packaging the finished product. Equipment: 2/4 circular knitting machine with multiple needle tracks; the knitting structure row needles are as follows:
table 1 knitting structure needle-row of embodiment 1 of the invention
"-": a triangular floating line;
v-shaped ": knitting the needle with a triangle;
"Λ": knitting a needle triangle into a loop;
"reverse U": needle setting triangular tucking;
"U": and (5) performing upper array triangular tucking.
The gram weight of the fabric is 180-190g/m2The thickness of the fabric is 0.8mm-1.0 mm. The fabric structure is as shown in fig. 1 and fig. 2, the fabric is of a two-layer structure, the yarns on the front side of the fabric are all made of waterproof elastic yarns, and the yarns on the back side of the fabric are made of waterproof elastic yarns and hydrophilic elastic yarns according to the ratio of 3:1, arranging and composing in proportion. The front side and the back side of the fabric are both provided with raised hexagonal structures; the middle of the front surface and the back surface of the fabric adopts hydrophilic elastic yarn as connecting yarn, and the coil length of the fabric is 38.5 coils/40 cm.
Example two
1. Preparing elastic yarns:
preparing FDY tows by adopting PBT, preparing POY tows by adopting PET, and slicing raw materials in the same way as in the first embodiment; both FDY and POY tows were 75D/72F gauge.
FDY tow process steps: drying the PBT slice (the temperature is 135-110 ℃ plus 140 ℃), then sequentially carrying out screw melt extrusion, melt filter, static mixing of a spinning box, a metering pump and filament discharge of a spinneret plate (the spinning temperature is 260-265 ℃ and the spinning speed is 2800m/min), cooling the filament by side blowing (the wind temperature is 20-25 ℃ and the wind speed is 0.35-0.45m/s), bundling oiling (the oil content is 0.6%), carrying out drawing setting by a hot roller GR1 (the temperature is 100-120 ℃, the speed is 1000-1200m/min) and a hot roller GR2 (the temperature is 90-110 ℃ and the speed is 2800-3500m/min) after a godet and a pre-interlacer (the network pressure is 0.3-0.5 MPa);
POY tow processing steps: crystallizing PET slices at 170-168 deg.C, drying at 165-168 deg.C, screw melt extruding, melt filtering, static mixing in spinning box, metering pump, spinneret plate to obtain filaments at 280-290 deg.C and 2800-3000m/min, side blowing to cool filaments at 18-20 deg.C and 0.40-0.45m/s, bundling and oiling (containing 0.6%) and drawing with guide hook and guide disk.
FDY tows obtained by drafting and shaping GR2 of the FDY part and POY tows obtained by a guide disc of the POY part are compounded one by one at a main network device (the pressure of the network device is 0.5-0.8MPa), and finally, the composite yarns are formed by winding, namely the elastic yarns, wherein the yarn elongation is 130% -160%, and the breaking strength is 6-7 cN/dtex.
2. And (3) processing the elastic yarn:
in the same manner as in the first embodiment
3. Fabric weaving
In the same manner as in the first embodiment
The gram weight of the fabric is 180-190g/m2The thickness of the fabric is 0.8mm-1.0 mm; the fabric structure is shown in fig. 1 and fig. 2, and the coil length of the fabric is 38.5 coils/40 cm.
The fabric obtained in the embodiment of the invention is subjected to quantitative effect evaluation in the following way:
taking a fabric sample with the size of 30cm by 30cm, and weighing an initial weight M0And soaking the fabric in water for 10min until the fabric is completely wetted. Taking out the sample from water, hanging water drops until the interval between two water drops is more than 5s, and weighing the weight M1. And (4) gripping two ends of the fabric with two hands, forcibly twisting the fabric once, and keeping for 5s when the fabric is twisted to the maximum strength. Loosening, repeatedly twisting again until the maximum force is reached for 5s, loosening, and weighing2. When the test method is set in the early stage, the same sample and data operated by different testers are collected, and the data deviation is within 5%.
The calculation formula is as follows:
water absorption A ═ M1-M0)/M0*100％；
Water residual rate after wringing (M)2-M0)/M0*100％。
See table 2 for a comparison of specific results:
table 2 properties of the fabrics of the present invention
In table 2, the comparative fabric has no waterproof yarn, so the water absorption is greater than that of the fabric of the present application. The fabric is easier to screw out after absorbing more water; after the comparative fabric absorbs more water, more water still exists in the fabric after the fabric is twisted. The ordinary knitted fabric used for comparison is ordinary polyester yarn (yarn with elasticity similar to mechanical elasticity and non-waterproof/hydrophilic treatment) with the same yarn specification as the example, and the fabric structure is a plain weave structure.
According to the embodiment, the fabric for the clothes can absorb more moisture, the moisture in the fabric structure can be easily twisted out after the fabric is twisted by hands, and the fabric is not sticky to the body when being worn in a sweat state after a large amount of movement and is dry in touch.
The above description and examples are intended to illustrate the scope of the invention, but are not intended to limit the scope of the invention. Modifications, equivalents and other improvements which may occur to those skilled in the art and which may be made to the embodiments of the invention or portions thereof through a reasonable analysis, inference or limited experimentation, in light of the common general knowledge, the common general knowledge in the art and/or the prior art, are intended to be within the scope of the invention.
Claims (10)
1. An easy-wringing fabric for clothing is characterized by having a knitted jacquard double-layer structure, wherein a first layer of the easy-wringing fabric is composed of waterproof elastic yarns and is provided with a plurality of jacquard protrusions; the second layer of the easy-wringing fabric is formed by arranging the waterproof elastic yarns and the hydrophilic elastic yarns in a certain proportion and is provided with a plurality of jacquard protrusions formed by the waterproof elastic yarns; the hydrophilic elastic yarn is used as a connecting yarn between the first layer and the second layer; the gram weight of the easy-wringing fabric is less than 200g/m2。
2. According to the rightThe easy-wringing fabric of claim 1, wherein the easy-wringing fabric has a gram weight of 180-2The thickness is 0.8-1.0 mm.
3. The easy-wringing fabric of claim 1, wherein the waterproof elastic yarns and the hydrophilic elastic yarns in the second layer of the easy-wringing fabric are arranged and distributed in a ratio of 2-4:1, preferably 3: 1.
4. The easy wringing fabric of any one of claims 1-3, wherein the easy wringing fabric is made of polyester.
5. An easy wringing fabric according to any one of claims 1-3, wherein each jacquard protrusion cross section of the easy wringing fabric is a polygon, preferably a regular hexagon.
6. A preparation method of an easy-to-wring fabric for clothing is characterized by comprising the following steps:
s1, respectively providing waterproof elastic yarns and hydrophilic elastic yarns;
s2, performing double-sided knitting by adopting the waterproof elastic yarns and the hydrophilic elastic yarns according to a jacquard weave to obtain an easily-wrung fabric;
the first layer of the easy-wringing fabric is composed of waterproof elastic yarns and is provided with a plurality of jacquard protrusions; the second layer of the easy-wringing fabric is formed by arranging the waterproof elastic yarns and the hydrophilic elastic yarns in a certain proportion and is provided with a plurality of jacquard protrusions formed by the waterproof elastic yarns; the hydrophilic elastic yarn is used as a connecting yarn between the first layer and the second layer; the gram weight of the easy-wringing fabric is less than 200g/m2。
7. The method for preparing the easy-wringing fabric according to claim 6, wherein the waterproof elastic yarn is prepared according to the following steps:
immersing the elastic yarn into a waterproof finishing agent solution for waterproof treatment to prepare waterproof elastic yarn; the waterproof finishing agent is a fluorine-free waterproof agent.
8. The preparation method of the easy-wringing fabric according to claim 7, wherein the elastic yarn for preparing the waterproof elastic yarn is formed by compounding FDY tows and POY tows, the FDY tows are made of PBT materials, and the POY tows are made of PET materials.
9. The method for preparing an easy wringing fabric according to claim 8, wherein the hydrophilic elastic yarn is obtained by the following steps:
immersing the elastic yarn into a hydrophilic finishing agent solution for hydrophilic treatment to prepare hydrophilic elastic yarn; the hydrophilic finishing agent is a non-ionic hydrophilic agent.
10. The method for preparing the easy wringing fabric according to any one of claims 6-9, wherein the equipment adopted by double-sided knitting is an 2/4 multi-needle weft knitting circular knitting machine.
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