CN114395852A - Overspeed dry single-side weft-knitted elastic fabric and production method thereof - Google Patents
Overspeed dry single-side weft-knitted elastic fabric and production method thereof Download PDFInfo
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- CN114395852A CN114395852A CN202111613167.1A CN202111613167A CN114395852A CN 114395852 A CN114395852 A CN 114395852A CN 202111613167 A CN202111613167 A CN 202111613167A CN 114395852 A CN114395852 A CN 114395852A
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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
- D04B1/10—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
- D04B1/18—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
- D10B2401/022—Moisture-responsive characteristics hydrophylic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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Abstract
The invention relates to an ultra-dry single-side weft-knitted elastic fabric and a production method thereof, and the ultra-dry single-side weft-knitted elastic fabric comprises a fabric body woven by surface yarns and bottom yarns, wherein the fabric body comprises raised courses adopting plaiting plain weave and pin-hole courses alternately woven by loop-forming coils and loop-collecting coils, the surface yarns adopt core-spun yarns, and the core-spun yarns comprise a skin layer and a core layer with better hygroscopicity than the skin layer. The invention has soft hand feeling, a pinhole structure and good air permeability, and adopts the core-spun yarn consisting of two types of yarns with different hydrophilicities, so that different curls can be generated due to different moisture absorptions during water absorption, thereby forming pores, effectively improving the evaporation efficiency and shortening the drying time of the fabric.
Description
Technical Field
The invention relates to the technical field of knitted fabrics, in particular to an overspeed dry single-side weft-knitted elastic fabric and a production method thereof.
Background
The evaporation rate requirement specified in the national standard GB/T21655.1 of moisture-absorbing and sweat-releasing fabric is 0.18 after washing before washing, in order to improve the wearing comfort during sports, many sports brands improve the standard requirement of the fabric evaporation rate to more than 0.2, which solves part of problems, but with the heat of the sports market, the market competition is intensified, and the current technology can not meet the requirement of consumers on the quick-drying performance of clothes. Aiming at the problem, the scheme aims to research a novel ultra-fast drying fabric, and on the premise of meeting other suction and discharge indexes, the novel ultra-fast drying fabric can greatly improve the evaporation rate and shorten the drying time of clothes after sports, so that the wearing comfort of the fabric is greatly improved.
Disclosure of Invention
The invention aims to overcome the defects, and provides the ultra-fast dry single-side weft-knitted elastic fabric which has soft hand feeling, a pinhole structure and good air permeability, adopts the core-spun yarn consisting of two types of yarns with different hydrophilicities, can be curled differently due to different moisture absorption degrees when absorbing water, forms pores, can effectively improve the evaporation efficiency and shorten the drying time of the fabric.
The technical scheme adopted by the invention for solving the technical problems is as follows: an ultra-dry single-sided weft-knitted elastic fabric comprises a fabric body woven by face yarns and bottom yarns, wherein the fabric body comprises raised courses adopting plaiting plain weave and pin hole courses formed by alternately weaving loop-forming coils and loop-collecting coils, the face yarns adopt covering yarns, and the covering yarns comprise a skin layer and a core layer with moisture absorption better than that of the skin layer.
Furthermore, in order to form a structure with different hygroscopicity of the core layer and the skin layer of the core-spun yarn, the hygroscopicity of the skin layer is weaker than that of the core layer, so that moisture is locked in the core layer of the veil, and meanwhile, a large gap positioned on the surface layer of the fabric is formed between the core layer and the skin layer, so that air circulation is facilitated, the evaporation rate of the fabric is effectively improved, and overspeed drying is realized; the core-spun yarn is 100D/96F core-spun bi-component elastic yarn, the skin layer is PET yarn, and the core layer is PBT yarn.
Furthermore, in order to ensure that the core-spun yarn has good water absorption and can form more pores for air to flow, thereby accelerating the evaporation rate of the fabric and realizing quick drying; the weight ratio of the skin layer to the core layer is 2:1-4: 1.
Furthermore, in order to twist the skin layer outside the core layer, the curl of the skin layer after water absorption is improved, the capillary effect of the yarn is enhanced, and the arc-shaped top of the skin layer slightly protrudes out of the surface of the fabric, so that the fabric feels soft and comfortable; the cortex is twisted around locating the sandwich layer periphery that 8 font structure is.
Furthermore, in order to ensure that the ground yarn is thin and light in weight, the woven fabric has a good light and thin effect; the bottom yarn adopts 50D/48F light net structure fine denier polyester filament.
Furthermore, in order to ensure the coloring effect of the ground yarns, the double-sided and double-color appearance style of the fabric is formed; the bottom yarn is made of cationic polyester filament.
Furthermore, in order to ensure the tightness and elasticity of the fabric, the fabric has excellent elastic resilience and soft hand feeling; plating proportion face yarn of the plating plain weave: the base yarn is 3:1-2: 1.
Furthermore, the raised courses are plaited plain weave, the pinhole courses form pinholes through alternate arrangement of the loop-forming coils and the loop-forming coils, concave-convex horizontal stripe pinhole appearances are formed on the inner side surfaces of the fabrics, and because the surface yarns and the bottom yarns respectively adopt 100D/96F core-spun bi-component elastic yarns and 50D/48F fine denier light network structure polyester filaments, the different moisture diffusibility of the two yarns form humidity difference, so that moisture can continuously and rapidly permeate to the surface along the thickness direction of the fabrics, and the sunken pinhole weave is convenient for air circulation between skin and clothes, and improves the evaporation speed of sweat; the protruding horizontal row has four, and four protruding horizontal rows set up in succession, the pinhole horizontal row has one, the pinhole horizontal row is located between four consecutive protruding horizontal rows.
Furthermore, in order to ensure that the fabric has light weight and is comfortable to wear; the square meter gram weight of the overspeed dry single-side weft-knitted elastic fabric is 130-140g/m2。
Aiming at the defects, the invention also provides a production method of the overspeed dry single-sided weft-knitted elastic fabric.
The other scheme adopted by the invention for solving the technical problem is as follows: a production method of an overspeed dry single-side weft-knitted elastic fabric comprises a knitting and weaving process and a post-finishing process,
the knitting method of the knitting and weaving process comprises the following steps: selecting 50D/48F fine denier light network structure polyester filament and 100D/96F core-spun bi-component elastic yarn as raw materials, and weaving by adopting a single-side 2-needle track circular knitting machine;
wherein a minimum repeat of one repeat constituting the ultrarapid dry single-sided weft-knitted elastic fabric is 2 wales x 5 courses, wherein: 2 longitudinal rows are formed by arranging 2 needle tracks and 2 cylinder needles, 5 transverse rows are formed by arranging 5 loops around the cylinder,
the threading mode of the 1 complete-weave 5-path looping system is as follows: the No. 1 way passes through 50D/48F superfine denier polyester filaments, the No. 2, 3, 4 and 5 ways pass through 100D/96F core-spun bicomponent elastic yarns and 50D/48F superfine denier polyester filaments;
the triangle configuration mode of 1 completely organized 5-path looping system is as follows: the 1 st way of cylinder needle A is correspondingly tucked, the cylinder needle B is correspondingly looped, and the 2 nd, 3 rd, 4 th and 5 th ways of cylinder needle A and cylinder needle B are correspondingly looped;
table 1 is a table of 1 fully-textured triangle and threadline configurations:
TABLE 1 triangle and threading configuration Table
| |
1 | 2 | 3 | 4 | 5 |
| |
2 | 1+2 | 1+2 | 1+2 | 1+2 |
| Needle cylinder triangle A | ∩ | Δ | Δ | Δ | Δ |
| Needle cylinder triangle B | Δ | Δ | Δ | Δ | Δ |
Wherein: the threading configuration is correspondingly as follows: 1 for 100D/96F core spun bicomponent elastomeric yarn, 2 for 50D/48F ultra fine denier polyester filament; description of triangle configuration symbols: a represents a high-heel needle, B represents a low-heel needle, "Δ" represents cylinder needle looping, and "D" represents cylinder needle tucking;
the post-finishing process comprises the following steps: open width water washing → cloth arrangement → relaxation → boiling shrinkage → dehydration → pre-shaping → edge stitching → dyeing → reduction washing → acid washing → cold washing → dehydration → manual edge dismantling → open width cloth arrangement → shaping → finished product inspection and detection,
wherein, the boiling shrinkage process comprises the following steps: injecting cold water into a cylinder of a dyeing machine according to a bath ratio of 1:10-12, injecting 3746B accounting for 0.5 percent of the weight of the fabric and TF129K accounting for 0.2 percent of the weight of the fabric into the cylinder, heating the aqueous solution and the fabric in the dyeing machine to 80 ℃, preserving the temperature for 10 minutes, and overflowing and washing the aqueous solution and the fabric to below 40 ℃ for draining;
the pre-setting process comprises the following steps: presetting by a setting machine, adding padding liquid, wherein the padding liquid adopts clear water, and the temperature is controlled at 170 ℃;
the dyeing process comprises the following steps: injecting cold water into a cylinder of a dyeing machine according to a bath ratio of 1:10-12, putting the fabric into the cylinder for circulating operation, injecting 3746B accounting for 0.5 percent of the weight of the fabric and a softening agent in the bath accounting for 0.5 percent of the weight of the fabric into the cylinder of the dyeing machine from an additional cylinder of the dyeing machine, then injecting disperse dye into the cylinder of the dyeing machine, operating for 5 minutes, heating to 130 ℃, preserving heat, overflowing and washing to 60 ℃ or below, and discharging liquid;
acid washing process: injecting cold water into a cylinder of a dyeing machine according to a bath ratio of 1:10-12, heating the aqueous solution and the fabric in the dyeing machine to 60 ℃ at a speed of 3.0 ℃/min, preserving heat for 10 minutes, and discharging liquid;
forming and shaping process: shaping by a shaping machine, adding padding liquid, adopting clear water, and controlling the temperature at 150 ℃.
Furthermore, in order to form a structure with different hygroscopicity of the core layer and the skin layer of the core-spun yarn, the hygroscopicity of the skin layer is weaker than that of the core layer, so that moisture is locked in the core layer of the veil, and meanwhile, a large gap positioned on the surface layer of the fabric is formed between the core layer and the skin layer, so that air circulation is facilitated, the evaporation rate of the fabric is effectively improved, and overspeed drying is realized; the 100D/96F core-spun bi-component elastic yarn comprises a skin layer and a core layer with better hygroscopicity than the skin layer, wherein the skin layer is PET yarn, the core layer is PBT yarn, the skin layer is in an 8-shaped structure and is wound on the periphery of the core layer, and the weight ratio of the skin layer to the core layer is 2:1-4: 1.
Compared with the prior art, the invention has the following advantages:
(1) the raised transverse rows are plaited plain weave structures, the pinhole transverse rows are alternately arranged through the loop forming coils and the loop collecting coils to form pinholes, the raised transverse rows and the pinhole transverse rows are alternately arranged, the appearance of concave-convex transverse strips and pinholes is formed on the inner side surface of the fabric, the surface yarns and the bottom yarns respectively adopt 100D/96F core-spun bi-component elastic yarns and 50D/48F fine-denier light-network structure polyester filaments, the different diffusibility of the two yarns forms humidity difference, so that moisture can continuously and rapidly permeate to the surface along the thickness direction of the fabric, and the sunken pinhole weave structures are convenient for air circulation between skin and clothes, and improve the evaporation speed of sweat;
(2) the face yarn in the plaited plain weave is characterized in that core-spun elastic filaments (PET-coated PBT) are selected, an 8-shaped coating structure is adopted, a large gap is formed between a skin layer and core layer yarns, the hygroscopicity of the PBT is higher than that of the PET, when the fabric is contacted with moisture, the PBT in the core layer absorbs a large amount of the water, the hygroscopicity of the PET in the skin layer is lower than that of the PBT, so that the moisture is locked in the core layer of the face yarn, and the large gap between the skin and the core is positioned on the surface layer of the fabric so as to facilitate air circulation, so that the evaporation rate of the fabric can be increased to more than 2 times of the national standard and can reach 0.36;
(3) the fabric is soft and comfortable in touch and excellent in elasticity, the 100D/96F core-spun bi-component elastic yarn and the 50D/48F light-network-structure fine-denier polyester filament double-layer lapping yarn are adopted for weaving, the top of the yarn in an arc shape slightly protrudes on the surface of the fabric due to the 8-shaped structure of the core-spun yarn, the hand feeling is soft and comfortable, the 100D/96F core-spun bi-component elastic yarn is adopted as the plating yarn plain weave face yarn, the base fabric of the fabric is compact, and the longitudinal and transverse extensibility and elasticity of the fabric are excellent;
(4) the invention has double-sided effect, one side of the fabric is a concave-convex horizontal bar appearance structure, the other side of the fabric is a plane pinhole structure, the bottom yarn in the plaited plain weave is replaced by 100 percent of cationic terylene for alternate weaving, and the appearance style of double-sided double-color can be formed.
Drawings
The invention will be further illustrated with reference to the following examples with reference to the accompanying drawings:
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;
fig. 3 is a schematic view of the structure of the core spun yarn.
In the figure: 1-pinhole horizontal row; 2-convex horizontal rows; 3-face yarn; 301-cortex; 302-a core layer; 4-ground yarn; a-a high heel needle; b-low heel needle.
Detailed Description
The invention is described in detail below with reference to the drawings and specific examples:
example 1: as shown in fig. 1 and fig. 3, the present embodiment provides a high-speed dry single-side weft-knitted elastic fabric, comprising a fabric body woven by a face yarn 3 and a bottom yarn 4, wherein the weight ratio of the face yarn 3 to the bottom yarn 4 is 3:1-2:1, the optimal weight ratio of the face yarn 3 to the bottom yarn 4 is 50D/48F ultra-fine denier polyester filament: 100D/96F core spun bicomponent elastic yarn 37.7: 62.3, the fabric body includes the protruding course 2 that adopts plaiting plain weave and the pinhole course 1 that forms by loop-forming coil and tucking coil are woven in turn, and protruding course 2 is woven by face yarn 3 and base yarn 4 and is formed, and pinhole course 1 is woven by base yarn 4 and is formed, face yarn 3 adopts covering yarn, covering yarn includes cortex 301 and the hygroscopicity is superior to the sandwich layer 302 of cortex 301.
In the embodiment, in order to form a structure that the core layer 302 and the skin layer 301 of the core-spun yarn have different hygroscopicity, and the hygroscopicity of the skin layer 301 is weaker than that of the core layer 302, so as to ensure that moisture is locked in the core layer 302 of the face yarn, and meanwhile, a large gap positioned on the surface layer of the fabric is formed between the core layer 302 and the skin layer 301, so that air circulation is facilitated, the evaporation rate of the fabric is effectively improved, and ultra-speed drying is realized; the core-spun yarn is 100D/96F core-spun bi-component elastic yarn, the skin layer 301 is PET yarn, and the core layer 302 is PBT yarn.
In the embodiment, in order to ensure that the core-spun yarn has good water absorption and can form more pores for air to flow, the evaporation rate of the fabric is increased, and quick drying is realized; the weight ratio of the skin layer 301 to the core layer 302 is 2:1-4: 1.
In the embodiment, in order to twist the skin layer 301 outside the core layer 302, the curl of the skin layer 301 after absorbing water is improved, the capillary effect of the yarn is enhanced, and the arc-shaped top of the skin layer 301 is slightly protruded on the surface of the fabric, so that the fabric feels soft and comfortable; the skin layer 301 is twisted and wound around the periphery of the core layer 302 in an 8-shaped structure.
In the embodiment, in order to ensure that the ground yarn is thin and light in weight, the woven fabric is ensured to have a better light and thin effect; the bottom yarn 4 adopts 50D/48F light net structure fine denier polyester filament.
In the embodiment, in order to ensure the tightness and elasticity of the fabric, the fabric has excellent elastic resilience and soft hand feeling; the plating proportion face yarn weight of the plating plain weave: the weight of the ground yarn is 3:1-2:1, and the optimal proportion of the weight of the face yarn is as follows: the weight of the ground yarn is 2: 1.
In the embodiment, the raised courses 2 are plaited plain weave, the pin holes are formed in the pin hole courses 1 through the alternate arrangement of the loop forming coils and the loop collecting coils, not only the inner side surface of the fabric is formed with the appearance of concave-convex horizontal strips and pin holes, but also the surface yarns 3 and the bottom yarns 4 respectively adopt 100D/96F core-spun bi-component elastic yarns and 50D/48F fine denier light network structure polyester filaments, the different moisture diffusibility of the two yarns form humidity difference, so that moisture can continuously and rapidly permeate to the surface along the thickness direction of the fabric, and the sunken pin hole weave is convenient for air circulation between skin and clothes, and improves the evaporation speed of sweat; protruding horizontal row 2 has four, and four protruding horizontal rows 2 set up in succession, pinhole horizontal row 1 has one, pinhole horizontal row 1 is located between the protruding horizontal row 2 of adjacent four consecutive tracks.
Example 2: as shown in fig. 2, the present embodiment provides an ultra-dry single-sided weft-knitted elastic fabric, which includes a fabric body woven by a face yarn 3 and a ground yarn 4, the fabric body includes raised courses 2 using a plaited plain weave and pin courses 1 alternately woven by loop stitches and loop stitches, the face yarn 5 uses a core-spun yarn, and the core-spun yarn includes a skin layer 301 and a core layer 302 having a moisture absorption property superior to that of the skin layer 301.
Different from embodiment 1, the protruding course 2 and the pinhole course 1 of this embodiment are all provided one, and protruding course 2 and pinhole course 1 set up in turn, both had plating plain weave, had the pinhole structure again to guarantee that the fabric has pinhole form space, supply the circulation of air, thereby improve fabric drying speed. In addition, the invention is not limited to that the raised rows 2 are only provided with one or four channels continuously, and can also be provided with two or five channels continuously to present different appearance effects.
In the embodiment, in order to form a structure that the core layer 302 and the skin layer 301 of the core-spun yarn have different hygroscopicity, and the hygroscopicity of the skin layer 301 is weaker than that of the core layer 302, so as to ensure that moisture is locked in the core layer 302 of the face yarn, and meanwhile, a large gap positioned on the surface layer of the fabric is formed between the core layer 302 and the skin layer 301, so that air circulation is facilitated, the evaporation rate of the fabric is effectively improved, and ultra-speed drying is realized; the core-spun yarn is 100D/96F core-spun bi-component elastic yarn, the skin layer 301 is PET yarn, and the core layer 302 is PBT yarn.
In the embodiment, in order to ensure that the core-spun yarn has good water absorption and can form more pores for air to flow, the evaporation rate of the fabric is increased, and quick drying is realized; the weight ratio of the skin layer 301 to the core layer 302 is 2:1-4: 1.
In the embodiment, in order to twist the skin layer 301 outside the core layer 302, the curl of the skin layer 301 after absorbing water is improved, the capillary effect of the yarn is enhanced, and the arc-shaped top of the skin layer 301 is slightly protruded on the surface of the fabric, so that the fabric feels soft and comfortable; the skin layer 301 is twisted and wound around the periphery of the core layer 302 in an 8-shaped structure.
In the embodiment, in order to ensure that the ground yarn is thin and light in weight, the woven fabric is ensured to have a better light and thin effect; the bottom yarn 4 adopts 50D/48F light net structure fine denier polyester filament.
In the embodiment, in order to ensure the tightness and elasticity of the fabric, the fabric has excellent elastic resilience and soft hand feeling; plating proportion face yarn of the plating plain weave: the bottom yarn is 3:1-2:1, and the top yarn with the optimal proportion is as follows: the ground yarn is 2: 1.
Example 3: the embodiment provides an ultra-dry single-side weft-knitted elastic fabric, which comprises a fabric body woven by a face yarn 3 and a bottom yarn 4, wherein the fabric body comprises a raised course 2 adopting a plaiting plain weave and a pin-hole course 1 formed by alternately weaving loop forming coils and tuck coils, the face yarn 3 adopts a core-spun yarn, and the core-spun yarn comprises a skin layer 301 and a core layer 302 with better hygroscopicity than the skin layer 301.
Different from the embodiment 1, the ground yarn 4 in the embodiment adopts the cationic polyester filament yarn, the cationic polyester filament yarn and the 100D/96F core-spun bi-component elastic yarn are alternately woven, and the characteristics of good color fastness, bright color and the like of cationic fiber dyeing are utilized to form the appearance style of double-sided and double-color of the fabric.
In the embodiment, in order to form a structure that the core layer 302 and the skin layer 301 of the core-spun yarn have different hygroscopicity, and the hygroscopicity of the skin layer 301 is weaker than that of the core layer 302, so as to ensure that moisture is locked in the core layer 302 of the face yarn, and meanwhile, a large gap positioned on the surface layer of the fabric is formed between the core layer 302 and the skin layer 301, so that air circulation is facilitated, the evaporation rate of the fabric is effectively improved, and ultra-speed drying is realized; the core-spun yarn is 100D/96F core-spun bi-component elastic yarn, the skin layer 301 is PET yarn, and the core layer 302 is PBT yarn.
In the embodiment, in order to ensure that the core-spun yarn has good water absorption and can form more pores for air to flow, the evaporation rate of the fabric is increased, and quick drying is realized; the weight ratio of the skin layer 301 to the core layer 302 is 2:1-4: 1.
In the embodiment, in order to twist the skin layer 301 outside the core layer 302, the curl of the skin layer 301 after absorbing water is improved, the capillary effect of the yarn is enhanced, and the arc-shaped top of the skin layer 301 is slightly protruded on the surface of the fabric, so that the fabric feels soft and comfortable; the skin layer 301 is twisted and wound around the periphery of the core layer 302 in an 8-shaped structure.
In the embodiment, in order to ensure the tightness and elasticity of the fabric, the fabric has excellent elastic resilience and soft hand feeling; plating proportion face yarn of the plating plain weave: the bottom yarn is 3:1-2:1, and the top yarn with the optimal proportion is as follows: the ground yarn is 2: 1.
In the embodiment, the raised courses 2 are plaited plain weave, the pinhole courses 1 are alternately arranged by the loop-forming coils and the tucking coils to form pinholes, so that the appearance of concave-convex horizontal stripe pinholes is formed on the inner surface of the fabric, and because the surface yarns 3 and the bottom yarns 4 respectively adopt 100D/96F core-spun bi-component elastic yarns and cationic polyester filaments, the different moisture diffusibility of the two yarns forms humidity difference, so that moisture can continuously and rapidly permeate to the surface along the thickness direction of the fabric, and the sunken pinhole weave is convenient for air circulation between skin and clothes, so that the evaporation speed of sweat is increased; protruding horizontal row 2 has four, and four protruding horizontal rows 2 set up in succession, pinhole horizontal row 1 has one, pinhole horizontal row 1 is located between the protruding horizontal row 2 of adjacent four consecutive tracks.
Example 4: a production method of an overspeed dry single-side weft-knitted elastic fabric comprises a knitting and weaving process and a post-finishing process,
the knitting method of the knitting and weaving process comprises the following steps: selecting 50D/48F fine denier light network structure polyester filament and 100D/96F core-spun bi-component elastic yarn as raw materials, wherein the weight ratio of the used yarns of the face yarn 3 and the bottom yarn 4 is 62.3:37.7, and weaving by adopting a single-side 2-needle-path circular weft knitting machine;
wherein a minimum repeat of one repeat constituting the ultrarapid dry single-sided weft-knitted elastic fabric is 2 wales x 5 courses, wherein: 2 longitudinal rows are formed by arranging 2 needle tracks and 2 cylinder needles, 5 transverse rows are formed by arranging 5 loops around the cylinder,
the threading mode of the 1 complete-weave 5-path looping system is as follows: the No. 1 way passes through 50D/48F superfine denier polyester filaments, the No. 2, 3, 4 and 5 ways pass through 100D/96F core-spun bicomponent elastic yarns and 50D/48F superfine denier polyester filaments;
the triangle configuration mode of 1 completely organized 5-path looping system is as follows: the 1 st way of cylinder needle A is correspondingly tucked, the cylinder needle B is correspondingly looped, and the 2 nd, 3 rd, 4 th and 5 th ways of cylinder needle A and cylinder needle B are correspondingly looped;
table 1 is a table of 1 fully-textured triangle and threadline configurations:
TABLE 1 triangle and threading configuration Table
| |
1 | 2 | 3 | 4 | 5 |
| |
2 | 1+2 | 1+2 | 1+2 | 1+2 |
| Needle cylinder triangle A | ∩ | Δ | Δ | Δ | Δ |
| Needle cylinder triangle B | Δ | Δ | Δ | Δ | Δ |
Wherein: the threading configuration is correspondingly as follows: 1 for 100D/96F core spun bicomponent elastomeric yarn, 2 for 50D/48F ultra fine denier polyester filament; description of triangle configuration symbols: a represents a high-heel needle, B represents a low-heel needle, "Δ" represents cylinder needle looping, and "D" represents cylinder needle tucking;
wherein the average length of the 100D/96F core-spun bicomponent elastic yarn in each 100 loops in the ultra-quick-dry single-sided weft-knitted elastic fabric is 25.8cm, and the average length of the 50D/48F superfine denier polyester filament in each 100 loops in the ultra-quick-dry single-sided weft-knitted elastic fabric is 25 cm;
transverse density of blank fabric: 73 wales/5 cm, longitudinal density: 156 course/5 cm, square meter grammage: 110g/m2, the width of the prepared smooth blank fabric is 176cm, and the square meter grammage of the fabric is 140g/m 2;
the post-finishing process comprises the following steps: open width water washing → cloth arrangement → relaxation → boiling shrinkage → dehydration → pre-shaping → edge stitching → dyeing → reduction washing → acid washing → cold washing → dehydration → manual edge dismantling → open width cloth arrangement → shaping → finished product inspection and detection,
wherein, the boiling shrinkage process comprises the following steps: injecting cold water into a cylinder of a dyeing machine according to a bath ratio of 1:10-12, injecting 3746B accounting for 0.5 percent of the weight of the fabric and TF129K accounting for 0.2 percent of the weight of the fabric into the cylinder, heating the aqueous solution and the fabric in the dyeing machine to 80 ℃, preserving the temperature for 10 minutes, and overflowing and washing the aqueous solution and the fabric to below 40 ℃ for draining;
the pre-setting process comprises the following steps: presetting by a setting machine, adding padding liquid, wherein the padding liquid adopts clear water, and the temperature is controlled at 170 ℃;
the dyeing process comprises the following steps: injecting cold water into a cylinder of a dyeing machine according to a bath ratio of 1:10-12, putting the fabric into the cylinder for circulating operation, injecting 3746B accounting for 0.5 percent of the weight of the fabric and a softening agent in the bath accounting for 0.5 percent of the weight of the fabric into the cylinder of the dyeing machine from an additional cylinder of the dyeing machine, then injecting disperse dye into the cylinder of the dyeing machine, operating for 5 minutes, heating to 130 ℃, preserving heat, overflowing and washing to 60 ℃ or below, and discharging liquid;
acid washing process: injecting cold water into a cylinder of a dyeing machine according to a bath ratio of 1:10-12, heating the aqueous solution and the fabric in the dyeing machine to 60 ℃ at a speed of 3.0 ℃/min, preserving heat for 10 minutes, and discharging liquid;
forming and shaping process: shaping by a shaping machine, adding padding liquid, adopting clear water, and controlling the temperature at 150 ℃.
In the embodiment, in order to form a structure that the core layer 302 and the skin layer 301 of the core-spun yarn have different hygroscopicity, and the hygroscopicity of the skin layer 301 is weaker than that of the core layer 302, so as to ensure that moisture is locked in the core layer 302 of the face yarn, and meanwhile, a large gap positioned on the surface layer of the fabric is formed between the core layer 302 and the skin layer 301, so that air circulation is facilitated, the evaporation rate of the fabric is effectively improved, and ultra-speed drying is realized; the 100D/96F core-spun bi-component elastic yarn comprises a skin layer 301 and a core layer 302 with better hygroscopicity than the skin layer 301, wherein the skin layer 301 is PET yarn, the core layer 302 is PBT yarn, the skin layer 301 is wound around the periphery of the core layer 302 in an 8-shaped structure, and the weight ratio of the skin layer 301 to the core layer 302 is 2:1-4: 1.
The ultra-fast dry single-sided weft-knitted elastic fabric produced by the method is tested with reference to standards such as GB/T21655.2-2008 textile moisture absorption quick-drying assessment, GB/T5453-1997 textile fabric air permeability determination, GB/T4802.1-2008, textile fuzzing and pilling performance determination E method and the like before washing and after 5 times of water washing, wicking height, water absorption, dropping water diffusion time and other moisture absorption performances, evaporation rate quick-drying performance, anti-fuzzing and pilling grade and the like, and the test results are shown in Table 2 (wherein L is the longitudinal direction of the fabric, and W is the transverse direction of the fabric).
Table 2 fabric performance test results
The above-mentioned preferred embodiments, further illustrating the objects, technical solutions and advantages of the present invention, should be understood that the above-mentioned are only preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An overspeed dry single-side weft-knitted elastic fabric, which is characterized in that: include the fabric body of weaving and forming by face yarn and bottom yarn, the fabric body includes the protruding course that adopts plaiting plain weave and the pinhole course of weaving in turn and forming by lopping coil and tucking coil, the face yarn adopts covering yarn, covering yarn includes the cortex and the sandwich layer that the hygroscopicity is superior to the cortex, the cortex is 8 font twists around locating the sandwich layer periphery.
2. The overdried single-sided weft-knitted elastic fabric according to claim 1, characterized in that: the core-spun yarn is 100D/96F core-spun bi-component elastic yarn, the skin layer is PET yarn, and the core layer is PBT yarn.
3. The overdried single-sided weft-knitted elastic fabric according to claim 1, characterized in that: the weight ratio of the skin layer to the core layer is 2:1-4: 1.
4. The overdried single-sided weft-knitted elastic fabric according to claim 1, characterized in that: the bottom yarn adopts 50D/48F light net structure fine denier polyester filament.
5. The overdried single-sided weft-knitted elastic fabric according to claim 1, characterized in that: the bottom yarn is made of cationic polyester filament.
6. The overdried single-sided weft-knitted elastic fabric according to claim 1, characterized in that: plating proportion face yarn of the plating plain weave: the base yarn is 3:1-2: 1.
7. The overdried single-sided weft-knitted elastic fabric according to claim 1, characterized in that: the protruding horizontal row has four, and four protruding horizontal rows set up in succession, the pinhole horizontal row has one, the pinhole horizontal row is located between four consecutive protruding horizontal rows.
8. The overdried single-sided weft-knitted elastic fabric according to claim 1, characterized in that: the square meter gram weight of the overspeed dry single-side weft-knitted elastic fabric is 130-140g/m2。
9. A production method of an overspeed dry single-side weft-knitted elastic fabric is characterized by comprising the following steps: comprises a knitting weaving process and a post-finishing process,
the knitting method of the knitting and weaving process comprises the following steps: selecting 50D/48F fine denier light network structure polyester filament and 100D/96F core-spun bi-component elastic yarn as raw materials, and weaving by adopting a single-side 2-needle track circular knitting machine;
wherein a minimum repeat of one repeat constituting the ultrarapid dry single-sided weft-knitted elastic fabric is 2 wales x 5 courses, wherein: 2 longitudinal rows are formed by arranging 2 needle tracks and 2 cylinder needles, 5 transverse rows are formed by arranging 5 loops around the cylinder,
the threading mode of the 1 complete-weave 5-path looping system is as follows: the No. 1 way passes through 50D/48F superfine denier polyester filaments, the No. 2, 3, 4 and 5 ways pass through 100D/96F core-spun bicomponent elastic yarns and 50D/48F superfine denier polyester filaments;
the triangle configuration mode of 1 completely organized 5-path looping system is as follows: the 1 st way of cylinder needle A is correspondingly tucked, the cylinder needle B is correspondingly looped, and the 2 nd, 3 rd, 4 th and 5 th ways of cylinder needle A and cylinder needle B are correspondingly looped;
table 1 is a table of 1 fully-textured triangle and threadline configurations:
TABLE 1 triangle and threading configuration Table
Wherein: the threading configuration is correspondingly as follows: 1 for 100D/96F core spun bicomponent elastomeric yarn, 2 for 50D/48F ultra fine denier polyester filament; description of triangle configuration symbols: a represents a high-heel needle, B represents a low-heel needle, "Δ" represents cylinder needle looping, and "D" represents cylinder needle tucking;
the post-finishing process comprises the following steps: open width water washing → cloth arrangement → relaxation → boiling shrinkage → dehydration → pre-shaping → edge stitching → dyeing → reduction washing → acid washing → cold washing → dehydration → manual edge dismantling → open width cloth arrangement → shaping → finished product inspection and detection,
wherein, the boiling shrinkage process comprises the following steps: injecting cold water into a cylinder of a dyeing machine according to a bath ratio of 1:10-12, injecting 3746B accounting for 0.5 percent of the weight of the fabric and TF129K accounting for 0.2 percent of the weight of the fabric into the cylinder, heating the aqueous solution and the fabric in the dyeing machine to 80 ℃, preserving the temperature for 10 minutes, and overflowing and washing the aqueous solution and the fabric to below 40 ℃ for draining;
the pre-setting process comprises the following steps: presetting by a setting machine, adding padding liquid, wherein the padding liquid adopts clear water, and the temperature is controlled at 170 ℃;
the dyeing process comprises the following steps: injecting cold water into a cylinder of a dyeing machine according to a bath ratio of 1:10-12, putting the fabric into the cylinder for circulating operation, injecting 3746B accounting for 0.5 percent of the weight of the fabric and a softening agent in the bath accounting for 0.5 percent of the weight of the fabric into the cylinder of the dyeing machine from an additional cylinder of the dyeing machine, then injecting disperse dye into the cylinder of the dyeing machine, operating for 5 minutes, heating to 130 ℃, preserving heat, overflowing and washing to 60 ℃ or below, and discharging liquid;
acid washing process: injecting cold water into a cylinder of a dyeing machine according to a bath ratio of 1:10-12, heating the aqueous solution and the fabric in the dyeing machine to 60 ℃ at a speed of 3.0 ℃/min, preserving heat for 10 minutes, and discharging liquid;
forming and shaping process: shaping by a shaping machine, adding padding liquid, adopting clear water, and controlling the temperature at 150 ℃.
10. A method of producing a overdried single-sided weft-knitted elastic fabric according to claim 9 characterised in that: the 100D/96F core-spun bi-component elastic yarn comprises a skin layer and a core layer with better hygroscopicity than the skin layer, wherein the skin layer is PET yarn, the core layer is PBT yarn, the skin layer is in an 8-shaped structure and is wound on the periphery of the core layer, and the weight ratio of the skin layer to the core layer is 2:1-4: 1.
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