CN109722752B - Combined yarn for weaving soft wear-resistant multicolor denim and denim - Google Patents
Combined yarn for weaving soft wear-resistant multicolor denim and denim Download PDFInfo
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- CN109722752B CN109722752B CN201811614285.2A CN201811614285A CN109722752B CN 109722752 B CN109722752 B CN 109722752B CN 201811614285 A CN201811614285 A CN 201811614285A CN 109722752 B CN109722752 B CN 109722752B
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- 238000009941 weaving Methods 0.000 title claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 158
- 229920000728 polyester Polymers 0.000 claims abstract description 52
- 229920002334 Spandex Polymers 0.000 claims abstract description 51
- 239000004759 spandex Substances 0.000 claims abstract description 51
- 239000004952 Polyamide Substances 0.000 claims abstract description 35
- 229920002647 polyamide Polymers 0.000 claims abstract description 35
- 229920000742 Cotton Polymers 0.000 claims abstract description 31
- 239000012510 hollow fiber Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000009987 spinning Methods 0.000 claims description 29
- 229920001778 nylon Polymers 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 claims 1
- 230000035699 permeability Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000002994 raw material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 239000002759 woven fabric Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000002074 melt spinning Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 241000208202 Linaceae Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 229920000433 Lyocell Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- Woven Fabrics (AREA)
Abstract
The invention discloses a combined yarn for weaving soft wear-resistant multicolor denim, which is spun by natural colored cotton, polyester fiber, polyamide fiber and spandex fiber, wherein the polyester fiber, the polyamide fiber and the spandex fiber are hollow fibers with crescent I-shaped hole structures; wherein, the hollow fiber with the crescent I-shaped hole structure is formed by a spinneret orifice with the crescent I-shaped hole structure on a spinneret plate in the processing process. The combined yarn for weaving the soft wear-resistant multicolor denim and the denim have the advantages of being ultra-light, soft, beautiful, wear-resistant and the like, reduce the cost to a certain extent and have good market prospect.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a combined yarn for weaving soft wear-resistant multicolor denim and the denim.
Background
The prior jean mainly adopts cotton, also adopts various raw material structures, such as cotton, wool, silk and hemp natural fiber blending, and chemical fiber blending, such as cotton/polyester blended fabric, cotton and other fibers such as Tencel, flax and wool yarn are woven together, and elastic yarn, tightly twisted yarn, fancy yarn and the like are used as raw materials. These denim products, unlike many products on the denim market, give consumers a high level of product design and value added apparel. The use of mercerized stretch denim and ring spun yarn can also improve the value of the product, and some companies have invested in the fields. However, the existing synthetic yarn and jean woven by the same still have the problems of rigidity, poor air permeability and water permeability, poor heat insulation and heat dissipation performance and the like caused by round-hole fibers. Consumers have made higher demands on the softness, comfort and easy care of denim fabrics, and denim finishers have to respond to these demands to gain a larger market.
Disclosure of Invention
In order to improve the problems of the existing denim woven by the synthetic yarns for weaving that the stiffness, the air permeability, the water permeability, the heat insulation and the heat dissipation performance are poor and the like, the invention provides the combined yarn for weaving the soft wear-resistant multicolor denim, and the denim woven by the combined yarn has the advantages of being ultra-light, soft, beautiful, wear-resistant and the like, and has good market prospect.
In order to achieve the purpose, the invention adopts the technical scheme that:
a combined yarn for weaving soft wear-resistant multicolor denim is spun by natural colored cotton, polyester fiber, polyamide fiber and spandex fiber,
the polyester fiber, the polyamide fiber and the spandex fiber are all hollow fibers with crescent I-shaped hole structures; wherein, the hollow fiber with the crescent I-shaped hole structure is formed by a spinneret orifice with a crescent I-shaped hole structure on a spinneret plate in the processing process;
crescent I-shaped pore structure includes: the connecting structure comprises a first bent part, a second bent part, a connecting part and four end parts, wherein the first bent part is connected with the second bent part through the connecting part, the first bent part and the second bent part are both arc-shaped, and the radian directions of the first bent part and the second bent part are opposite; the end parts are respectively arranged at the two ends of the first bent part and the second bent part;
the radian directions are opposite, namely the ray direction pointing to the circle center of the first bent part from the connection point of the first bent part and the connection part is opposite to the ray direction pointing to the circle center of the second bent part from the connection point of the second bent part and the connection part.
The first bent part, the second bent part, the connecting part and the four end parts are all hollow structures, and the hollow structures are communicated with each other.
The spinneret plate for spinning the polyester fibers is provided with 580 spinneret holes; the spinneret plate used for spinning the nylon fiber is provided with 780 spinneret holes, and the spinneret plate used for spinning the spandex fiber is provided with 970 spinneret holes.
Wherein, the spinneret orifice on the spinneret plate used for spinning the polyester fiber contains 3 crescent I-shaped pore structures; the spinneret orifices on the spinneret plate for spinning the nylon fibers comprise 2 crescent I-shaped hole structures, and the spinneret orifices on the spinneret plate for spinning the spandex fibers comprise 1 crescent I-shaped hole structure.
The natural colored cotton comprises 65-70% of components, 13-16% of polyester fibers, 10-13% of polyamide fibers and 6-8% of spandex fibers, wherein the components of the natural colored cotton are mixed according to a certain proportion; the linear density of the polyester fiber is 2.0-2.25 dtex, the linear density of the nylon fiber is 1, 8-2.0 dtex, the linear density of the spandex fiber is 1.33-1.56 dtex, the lengths of the polyester fiber and the nylon fiber are both 40-45mm, and the length of the spandex fiber is 38-42 mm.
Wherein, the natural colored cotton comprises 67 percent of components, 16 percent of components of polyester fiber, 10 percent of components of polyamide fiber and 7 percent of components of spandex fiber; or,
the natural colored cotton comprises 70 percent of components, 14 percent of polyester fibers, 10 percent of polyamide fibers and 6 percent of spandex fibers; or,
the natural colored cotton comprises 65 percent of components, 14 percent of polyester fibers, 13 percent of polyamide fibers and 8 percent of spandex fibers.
Wherein the linear density of the polyester fiber is 2.0dtex, the linear density of the nylon fiber is 1.8dtex, and the linear density of the spandex fiber is 1.4 dtex; or,
the linear density of the polyester fiber is 2.25dtex, the linear density of the nylon fiber is 2.0dtex, and the linear density of the spandex fiber is 1.56 dtex; or,
the linear density of the polyester fiber is 2.0dtex, the linear density of the nylon fiber is 1.8dtex, and the linear density of the spandex fiber is 1.33 dtex.
The length of the polyester fiber and the length of the polyamide fiber are both 45mm, and the length of the spandex fiber is 40 mm; or,
the lengths of the polyester fiber and the polyamide fiber are both 45mm, and the length of the spandex fiber is 42 mm; or,
the lengths of the polyester fiber and the polyamide fiber are both 42mm, and the length of the spandex fiber is 38 mm.
Wherein the natural colored cotton is natural brown cotton or natural green cotton.
The invention also discloses the denim which is woven by the combined yarn.
Compared with the prior art, the technical scheme adopted by the invention has the following beneficial effects:
the combined yarn is made of polyester hollow fibers, polyamide hollow fibers, spandex hollow fibers and natural colored cotton in crescent I-shaped holes according to certain components, solves the problems of stiffness, air permeability, water permeability, heat insulation and heat dissipation performance and the like of denim woven by the conventional synthetic yarns for spinning.
Drawings
FIG. 1 is an enlarged view of the spinneret hole of the spinning spinneret for weaving the combined yarn of soft and wear-resistant multi-color denim according to the present invention;
fig. 2 is an enlarged structural schematic view of the crescent-shaped i-shaped hole in fig. 1.
1. A spinneret orifice; 2. a crescent I-shaped hole; 201. a first bent portion; 202. a second bent portion; 203. a connecting portion; 204. and an end portion.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, the present embodiment relates to a combined yarn for weaving soft and wear-resistant multicolor denim, which is made of natural colored cotton, polyester fiber, polyamide fiber and spandex fiber through a spinning process, and the following embodiments are given according to the fineness of the fiber and the reasonability and economy of the yarn for weaving, the potential of the denim market demand, in particular to the components of the combined yarn, the linear density of the fiber and the length of the fiber for manufacturing spring and autumn clothing and the like.
Example 1
The components of the combination yarn are preferably: 67% of natural colored cotton, 16% of polyester fiber, 10% of nylon fiber and 7% of spandex fiber; the linear density of the fibers is preferably: the polyester fiber is 2.0dtex, the polyamide fiber is 1.8dtex, and the spandex fiber is 1.4dtex, which is mainly selected because the corresponding fiber is too thick, which affects the flexibility and the thickness and hand feeling of the woven fabric, and if too thin, the process level is required to be high, so that the manufacturing cost is too high; the lengths of the polyester fiber and the polyamide fiber are preferably 45mm, and the length of the spandex fiber is preferably 40mm, and the selection is mainly because the corresponding thicker fibers can influence the softness, thickness, hand feeling and the like of the woven fabric, and the thinner fibers require higher process level, so that the manufacturing cost is higher. The selection of the above components, linear density and length are preferred solutions given a combination of factors such as the performance of the combination yarn, cost, market, etc.
Example 2
The components of the combination yarn are preferably: 70% of the natural colored cotton, 14% of the polyester fiber, 10% of the polyamide fiber and 6% of the spandex fiber; the linear density of the polyester fibers is 2.25dtex, the linear density of the polyamide fibers is 2.0dtex, the linear density of the spandex fibers is 1.56dtex, the lengths of the polyester fibers and the polyamide fibers are both 45mm, and the length of the spandex fibers is 42mm, so that the selection is mainly because the influence of the slightly thicker corresponding fibers on the flexibility, thickness, hand feeling and the like of the woven fabric is small, and the manufacturing cost is reduced to a certain extent. The selection of the components, linear density and length is a better scheme considering the factors of properly reducing the cost to adapt to different requirements of the market and the like under the condition of ensuring the basic performance of the combined yarn.
Example 3
The components of the combination yarn are preferably: 65% of the natural colored cotton, 14% of the polyester fiber, 13% of the polyamide fiber and 8% of the spandex fiber; the linear density of the fibers is preferably: the linear density of the polyester fiber is 2.0dtex, the linear density of the polyamide fiber is 1.8dtex, the linear density of the spandex fiber is 1.33dtex, the lengths of the polyester fiber and the polyamide fiber are both 42mm, and the length of the spandex fiber is 38mm, so that the selection is mainly because the corresponding fiber is slightly thin, and the flexibility, the thickness, the elasticity, the wear resistance, the hand feeling and the like of the woven fabric are improved to a certain extent. The selection of the above components, linear density and length is a consideration to further improve the performance of the combination yarn, which is a higher end product and the market demand is considerable, although the manufacturing cost is somewhat increased.
In the scheme, the polyester fiber, the polyamide fiber and the spandex fiber are respectively prepared from raw materials through the processes of melt spinning, bundling, drafting, curling, shaping and cutting, the spinning is a process of extruding by a screw of a spinning machine and spinning by a spinneret plate, the spinneret plate is a stainless steel plate provided with 500 plus 1000 spinneret holes 1, and each spinneret hole 1 comprises at least one crescent I-shaped hole 2 structure.
In the scheme, according to the fineness of the fiber and the reasonability and economy of the yarn for weaving, the polyester fiber is selected to be made into the polyester hollow fiber with the 3 crescent I-shaped hole 2 structures, the polyamide fiber is made into the polyamide hollow fiber with the 2 crescent I-shaped hole 2 structures, and the spandex fiber is made into the spandex hollow fiber with the 1 crescent I-shaped hole 2 structures; the selection of the number of the holes is a reasonable selection which is adaptive to the linear density of the polyester fiber, the polyamide fiber and the spandex fiber, and the selection has better economy because the prices of the polyester fiber, the polyamide fiber and the spandex fiber are sequentially increased and greatly differed.
In the above scheme, crescent I-shaped hole 2 includes: the connecting structure comprises a first bent part 201, a second bent part 202, a connecting part 203 and four end parts 204, wherein the first bent part 201 is connected with the second bent part 202 through the connecting part 203, and the first bent part 201 and the second bent part 202 are both arc-shaped and have opposite arc directions. The opposite arc directions mean that the ray direction from the connection point of the first bent part 201 and the connection part 203 to the center of the first bent part 201 is opposite to the ray direction from the connection point of the second bent part 202 and the connection part 203 to the center of the second bent part 202. Both ends of the first bent portion 201 and the second bent portion 202 are respectively provided with an end portion 204; the first bent portion 201, the second bent portion 202, the connecting portion 203 and the four end portions 204 are all hollow structures, and the interiors of the hollow structures are communicated with each other. The crescent I-shaped hole structure can improve the air permeability and the water permeability of the prepared fiber, particularly prevent the adhesion in the spinning process and improve the preparation rate of the hollow fiber. The crescent I-shaped hole 2 structure can effectively improve the softness of the fiber, the porosity of the hollow fiber and the like; the end 204 of the port can also support the hole, increase stability, and improve water absorption and air permeability of the fiber.
In the scheme, according to the design requirement of the spinning process, the number of the spinneret orifices 1 of the spinneret plate is selected by combining the linear density and other parameter indexes of the hollow fiber, and is determined by the number of the spinneret orifices 1 of the hollow fiber, wherein the size of the spinneret plate of the universal spinning machine corresponds to the number of the crescent I-shaped holes; that is, it is preferable to use a spinneret having 580 spinneret holes 1 for the spinning of the hollow polyester fiber, 780 spinneret holes 1 for the spinning of the hollow nylon fiber, and 970 spinneret holes 1 for the spinning of the hollow spandex fiber.
In the scheme, the natural colored cotton is natural brown cotton or natural green cotton. The natural colored cotton enables the clothes made of the denim to be more environment-friendly, beautiful and comfortable.
In the above scheme, the structure of the crescent i-shaped hole 2, the linear density value and the length value are obtained by specific process parameters of the melt spinning, bundling, drafting, curling, shaping and cutting processes. Specifically, on the basis of ensuring the production rate of the hollow fiber, in order to further improve the production efficiency of the hollow fiber, the specific process parameters and the production steps are as follows: 1) melting the fiber raw material at 293 ℃, extruding the fiber raw material by a screw of a spinning machine, and spinning by a spinneret plate at the speed of about 328 m/min; 2) bundling the fibers after spinning through a gathering device, wherein the bundling amount is about 41 ten thousand dtex; 3) drafting the collected fibers by a drafting device at the speed of about 970 m/min, and simultaneously making the fibers into 3 fibers with crimped flowers/cm by a crimping device, and 4) passing the fibers through a 5-section temperature area for shaping treatment so as to ensure the performance and the yield of the fibers; the length of 5 sections of temperature areas is 4 meters, and the temperature of 5 sections of temperature areas is respectively: the setting speed of the 1-section temperature zone 93 ℃, the 2-section temperature zone 100 ℃, the 3-section temperature zone 136 ℃, the 4-section temperature zone 124 ℃ and the 5-section temperature zone 88 ℃ is 1.2 m/min; 5) the fiber thus produced was cut into a desired length by a rotary cutter of a spinning machine cutting device.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a combination yarn for weaving gentle wear-resisting polychrome denim which characterized in that: the combination yarn is spun by natural colored cotton, polyester fiber, polyamide fiber and spandex fiber;
the polyester fiber, the polyamide fiber and the spandex fiber are all hollow fibers with crescent I-shaped hole structures; wherein, the hollow fiber with the crescent I-shaped hole structure is formed by a spinneret orifice with a crescent I-shaped hole structure on a spinneret plate in the processing process;
crescent I-shaped pore structure includes: the connecting structure comprises a first bent part, a second bent part, a connecting part and four end parts, wherein the first bent part is connected with the second bent part through the connecting part, the first bent part and the second bent part are both arc-shaped, and the radian directions of the first bent part and the second bent part are opposite; the end parts are respectively arranged at the two ends of the first bent part and the second bent part;
the radian directions are opposite, namely the ray direction pointing to the circle center of the first bent part from the connection point of the first bent part and the connection part is opposite to the ray direction pointing to the circle center of the second bent part from the connection point of the second bent part and the connection part;
the first bent part, the second bent part, the connecting part and the four end parts are all of hollow structures, and the hollow structures are communicated with each other.
2. The combination yarn of claim 1, wherein: the spinneret plate for spinning the polyester fiber is provided with 580 spinneret holes; the spinneret plate used for spinning the nylon fiber is provided with 780 spinneret holes, and the spinneret plate used for spinning the spandex fiber is provided with 970 spinneret holes.
3. The combination yarn of claim 2, wherein: the spinneret orifice on the spinneret plate for spinning the polyester fiber contains 3 crescent I-shaped orifice structures; the spinneret orifices on the spinneret plate for spinning the nylon fibers comprise 2 crescent I-shaped hole structures, and the spinneret orifices on the spinneret plate for spinning the spandex fibers comprise 1 crescent I-shaped hole structure.
4. The combination yarn of claim 1, wherein: the natural colored cotton comprises 65-70% of components, 13-16% of polyester fibers, 10-13% of polyamide fibers and 6-8% of spandex fibers; the linear density of the polyester fiber is 2.0-2.25 dtex, the linear density of the nylon fiber is 1.8-2.0 dtex, the linear density of the spandex fiber is 1.33-1.56 dtex, the lengths of the polyester fiber and the nylon fiber are both 40-45mm, and the length of the spandex fiber is 38-42 mm.
5. The combination yarn of claim 4, wherein: the natural colored cotton comprises 67 percent of components, 16 percent of polyester fibers, 10 percent of polyamide fibers and 7 percent of spandex fibers; or,
the natural colored cotton comprises 70 percent of components, 14 percent of polyester fibers, 10 percent of polyamide fibers and 6 percent of spandex fibers; or,
the natural colored cotton comprises 65 percent of components, 14 percent of polyester fibers, 13 percent of polyamide fibers and 8 percent of spandex fibers.
6. The combination yarn of claim 5, wherein: the linear density of the polyester fiber is 2.0dtex, the linear density of the nylon fiber is 1.8dtex, and the linear density of the spandex fiber is 1.4 dtex; or,
the linear density of the polyester fiber is 2.25dtex, the linear density of the nylon fiber is 2.0dtex, and the linear density of the spandex fiber is 1.56 dtex; or,
the linear density of the polyester fiber is 2.0dtex, the linear density of the nylon fiber is 1.8dtex, and the linear density of the spandex fiber is 1.33 dtex.
7. The combination yarn of claim 6, wherein: the lengths of the polyester fiber and the polyamide fiber are both 45mm, and the length of the spandex fiber is 40 mm; or,
the lengths of the polyester fiber and the polyamide fiber are both 45mm, and the length of the spandex fiber is 42 mm; or,
the lengths of the polyester fiber and the polyamide fiber are both 42mm, and the length of the spandex fiber is 38 mm.
8. The combination yarn of claim 1, wherein: the natural colored cotton is natural brown cotton or natural green cotton.
9. A denim is characterized in that: the denim fabric is woven from the combination yarn of any one of claims 1 to 8.
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| CN201811614285.2A CN109722752B (en) | 2018-12-27 | 2018-12-27 | Combined yarn for weaving soft wear-resistant multicolor denim and denim |
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| CN201811614285.2A CN109722752B (en) | 2018-12-27 | 2018-12-27 | Combined yarn for weaving soft wear-resistant multicolor denim and denim |
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