CN104562240A - U-shaped hollow Dacron draw-textured yarn and preparation method thereof - Google Patents
U-shaped hollow Dacron draw-textured yarn and preparation method thereof Download PDFInfo
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- CN104562240A CN104562240A CN201410851895.XA CN201410851895A CN104562240A CN 104562240 A CN104562240 A CN 104562240A CN 201410851895 A CN201410851895 A CN 201410851895A CN 104562240 A CN104562240 A CN 104562240A
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Abstract
The invention discloses a U-shaped hollow Dacron draw-textured yarn and a preparation method thereof. The technical process includes the steps of: adding polyester melt; sequentially passing through a booster pump, a melt transport pipe, a spinning box, a metering pump and a spinning assembly including a spinneret plate; cooling, oiling and winding; further sequentially passing through a pre-netting device, a yarn cutter, a first roller, a first heat box, a cooling plate, a false twister, a tension meter, a second roller, a network nozzle, a second heat box, a third roller and an oil wheel; winding for shaping, namely obtaining the required product. According to the preparation method, two kinds of jet micropores are designed on the same spinneret plate, namely U-shaped holes and hollow holes, so that the a bunch of yarns include U-shaped yarns as well as hollow yarns; meanwhile, through the arrangement design of the two kinds of jet micropores, the hollow yarns are wrapped in the U-shaped yarns, so that the damage to the sections of the hollow yarns in a sequential false twisting process is greatly reduced, and the functionality of the product is significantly promoted. The fabric prepared according to the invention has very wide application prospect in the field of garment materials and fabrics.
Description
Technical field
The present invention relates to a kind of hollow and add " U " shape terylene draw textured yarn (DTY) and preparation method thereof, particularly provide a kind of with both containing " U " shape, have again the POY precursor of hollow to add the preparation method of " U " shape terylene draw textured yarn (DTY) to process hollow.
Background technology
Along with the raising of Levels of Social Economic Development and living standards of the people, people to the comfortableness of dress, have had higher requirement to the fabric of dress ornament, style and style.Traditional fibre cross section is circular, fabric breathability, hygroscopicity are poor, Density is large, and profiled filament is because of the change of its section morphology, it is made to have unique character compared with general chemical fibre, major embodiment is the following aspects: the different geometric cross sections of fiber can make light produce refraction and light splitting as prism, and then reflect colorful light, and make fiber produce a kind of gloss of superbright; Gap between fiber and yarn is many, has good gas permeability than the flat textile product of same specification; Fiber surface area is large, and absorption property is good, can be used as material for air purification; The cohesive force of fiber is strong, and fluffing and pilling effect can greatly reduce, and also can improve drapability and wrinkle resistance etc., profiled filament has above-mentioned many excellent properties, is more and more subject to the favor in market.
Hollow adds " U " shape terylene draw textured yarn (DTY), it is as a kind of Profiled fibre, cross section is more special, there is the characteristic that multiple profiled filament has, " U " tee section is added: the groove had from hollow, have moisture absorption sweat discharging functions, good permeability, good springiness, anti-pilling property good, have darker indent groove, hollow round hole, woven into fabric feel is softly warming.Enjoy consumers.
The mode of production that current domestic existing hollow adds " U " shape terylene draw textured yarn (DTY) produces " U " shape POY and hollow POY respectively, re-uses elasticizer false twisting and add network and be composited.Under this mode of production, make POY production efficiency reduce by one times, production cost improves; In false-twisted process, hollow POY is easy to be damaged by friction plate, the functional decline of fiber; The difference being exactly two kinds of POY interior qualities in addition brings difficulty to the quality stable homogeneous of DTY.
Summary of the invention
The technical issues that need to address of the present invention are just to overcome the limitation that existing hollow adds " U " shape terylene draw textured yarn (DTY) mode of production, a kind of hollow is provided to add " U " shape terylene draw textured yarn (DTY) and preparation method thereof, this preparation method has two kinds of spinneret orifices in same spinneret design, a kind of " U " shape hole, a kind of hollow hole, make existing in a synnema " U " shape silk, have hollow yarn again, such that POY precursor quality discrepancy diminishes, production efficiency improves greatly; Simultaneously by two kinds of spinneret orifice arrangement designs, make hollow yarn be wrapped in " U " shape silk inner, in Zai Hou road false-twisted process, the cross section of hollow yarn is damaged and greatly reduce, the functional remarkable lifting of product.
For solving the problem, the present invention realizes by following technical scheme:
A kind of hollow adds " U " shape terylene draw textured yarn (DTY) preparation method, its technological process is polyester fondant → booster pump → melt Conveying pipeline → spinning manifold → measuring pump → containing filament spinning component → cool → oil → winding → pre-hot case → coldplate → false twister → tensiometer → the second roller → the nozzle of interlace → the second hot case → three roller → finish oil disc → coiling and molding of net arrangement → yarn cutter → first roller → the first of spinnerets, obtain hollow to add " U " shape terylene draw textured yarn (DTY), described spinnerets is provided with " U " shape hole and hollow hole two kinds of spinneret orifices, described " U " shape hole is that slot lower end, 2, both sides is connected with middle 1 slot two ends, and be connected to each other two slot long axis angles are 90 ° of angle composition " U " shape geometries, described hollow hole forms a circular geometry by three sections of scallop holes.
As the preferred technical solution of the present invention:
Hollow of the present invention adds " U " shape terylene draw textured yarn (DTY) preparation method, and described " U " shape hole and hollow hole sectional area ratio 1:1 are 0.03mm
2-0.05mm
2; Described " U " shape hole is identical with the hole depth of hollow hole, and draw ratio 2:1 ~ 3:1.
Hollow of the present invention adds " U " shape terylene draw textured yarn (DTY) preparation method, described spinneret orifice be evenly distributed on spinnerets center be the center of circle, on equally spaced five concentric circles, " U " shape hole is arranged on outermost two concentric circles, and hollow hole is arranged on three concentric circles in inner side.
Hollow of the present invention adds " U " shape terylene draw textured yarn (DTY) preparation method, and " U " shape hole opening direction points to spinnerets center, and into θ angle with the connecting line at " U " Xing Kong center and spinnerets center, and angle is 5 °-10 °.
Hollow of the present invention adds " U " shape terylene draw textured yarn (DTY) preparation method, the described type of cooling be ring blast-cold but.
Hollow of the present invention adds " U " shape terylene draw textured yarn (DTY) preparation method, and described oiling method adopts two oiling method, by a synnema successively through two identical oil nozzles, carries out front and back oil to strand.
The present invention is also proposed a kind of hollow obtained by above preparation method and adds " U " shape terylene draw textured yarn (DTY).
Owing to adopting above technical scheme, a kind of hollow of the present invention adds the preparation method of " U " shape terylene draw textured yarn (DTY), and its beneficial effect shows: on existing production equipment basis, can produce by changing the technological parameter such as spinnerets and oiling method; The fabric that the hollow that the method obtains adds prepared by " U " shape terylene draw textured yarn (DTY) has moisture absorption sweat discharging functions, good permeability, anti-pilling and good springiness, woven into fabric feel softly warming, gloss is soft, fiber surface area is large, absorption property is good, has very wide in the application prospect of garment material and fabric arts.
Accompanying drawing explanation
Fig. 1-1,1-2 are " U " shape hole in the present invention and hollow hole enlarged diagram respectively
Fig. 2-1,2-2 are the schematic cross-section with product obtained by the present invention " U " shape hole and hollow hole respectively
Fig. 3 is that a kind of hollow of the present invention adds " U " shape terylene draw textured yarn (DTY) preparation method adopt spinnerets pore arrangement schematic diagram
Fig. 4 is that a kind of hollow of the present invention adds " U " shape terylene draw textured yarn (DTY) preparation method ring blowing schematic diagram
Fig. 5 is " U " shape hole opening direction and " U " Xing Kong center (O
1point) with the connecting line angle theta schematic diagram at spinnerets center (O point)
Wherein 1 is " U " shape hole; 2 is " U " shape fiber products; 3 is hollow holes; 4 is doughnut products; 5 is spinneretss; 6 is ring blowings.
Detailed description of the invention
The invention will be further described with specific embodiment with reference to the accompanying drawings below:
A kind of hollow of the present invention adds " U " shape terylene draw textured yarn (DTY) preparation method, its technological process is polyester fondant → booster pump → melt Conveying pipeline → spinning manifold → measuring pump → containing filament spinning component → cool → oil → winding → pre-hot case → coldplate → false twister → tensiometer → the second roller → the nozzle of interlace → the second hot case → three roller → finish oil disc → coiling and molding of net arrangement → yarn cutter → first roller → the first of spinnerets, obtains hollow and adds " U " shape terylene draw textured yarn (DTY).
As shown in Fig. 1-1,1-2, described spinnerets is provided with " U " shape hole 1 and hollow hole 3 two kinds of spinneret orifices, " U " shape hole 1 is that slot lower end, 2, both sides is connected with middle 1 slot two ends, and be connected to each other two slot long axis angles are 90 ° of angle composition " U " shape geometries; Hollow hole 3 forms a circular geometry by three sections of scallop holes.As shown in Figure 3, spinneret orifice be evenly distributed on spinnerets center be the center of circle, on equally spaced five concentric circles, " U " shape hole 1 is arranged on outermost two concentric circles, hollow hole 3 is arranged on three concentric circles in inner side.Number wherein from inside to outside on five concentric circles is: 8,14,20,26,32, amounts to 100." U " shape hole and hollow hole sectional area ratio 1:1 are 0.03mm
2-0.05mm
2; " U " shape hole is identical with the hole depth of hollow hole, and draw ratio 2:1 ~ 3:1.
As shown in Figure 4, hollow of the present invention adds " U " shape terylene draw textured yarn (DTY) preparation method, the type of cooling be ring blast-cold but; Oiling method adopts two oiling method, by a synnema successively through two identical oil nozzles, carries out front and back oil to strand.As shown in Figure 5, " U " shape hole opening direction points to spinnerets center, and into θ angle with the connecting line at " U " Xing Kong center and spinnerets center, and angle is 5 °-10 °.
As shown in Fig. 2-1,2-2, the hollow obtained by preparation method of the present invention adds " U " shape terylene draw textured yarn (DTY), and wherein 2 is " U " shape fiber products, and 4 is doughnut products.
Embodiment
Spinnerets is as shown in Figure 3 adopted to produce 115dtex/100f terylene pre-oriented fiber, half delustring PET melt extrudes bunchy through 100 hole spinneretss, through ring quenching, boundling oils, coiling and molding, obtain hollow and add " U " shape polyester POY long filament, again by the hot case → coldplate → false twister → tensiometer → the second roller → the nozzle of interlace → the second hot case → three roller → finish oil disc → coiling and molding (DTY83dtex/100f) of pre-net arrangement → yarn cutter → first roller → the first, obtain hollow and add " U " shape terylene draw textured yarn (DTY).Wherein, when melt characteristic viscosity is 0.67dl/g, spinning temperature is 292 DEG C, and spinning speed is 2600-2800m/min, cooling air blast is 25-35Pa, lateral blowing temperature is 19 DEG C, and length of airtight area is 40-70mm, oil applying rate 0.7%, winding angle 5.6 °-6.7 °, contact 140N-180N, DTY drafting multiple 1.4-1.5, D/Y compares 1.5-1.6.This fibre property is excellent, degree of profile up to 85%, indent degree 65%, doughnut degree of hollowness 23% and even dyeing.
Claims (7)
1. a hollow adds " U " shape terylene draw textured yarn (DTY) preparation method, its technological process is polyester fondant → booster pump → melt Conveying pipeline → spinning manifold → measuring pump → containing filament spinning component → cool → oil → winding → pre-hot case → coldplate → false twister → tensiometer → the second roller → the nozzle of interlace → the second hot case → three roller → finish oil disc → coiling and molding of net arrangement → yarn cutter → first roller → the first of spinnerets, obtain hollow to add " U " shape terylene draw textured yarn (DTY), it is characterized in that: described spinnerets is provided with " U " shape hole and hollow hole two kinds of spinneret orifices, described " U " shape hole is that slot lower end, 2, both sides is connected with middle 1 slot two ends, and be connected to each other two slot long axis angles are 90 ° of angle composition " U " shape geometries, described hollow hole forms a circular geometry by three sections of scallop holes.
2. preparation method according to claim 1, is characterized in that: described " U " shape hole and hollow hole sectional area ratio are 1:1, is 0.03mm
2-0.05mm
2; Described " U " shape hole is identical with the hole depth of hollow hole, and draw ratio 2:1 ~ 3:1.
3. preparation method according to claim 1, it is characterized in that: described spinneret orifice be evenly distributed on spinnerets center be the center of circle, on equally spaced five concentric circles, " U " shape hole is arranged on outermost two concentric circles, and hollow hole is arranged on three concentric circles in inner side.
4. preparation method according to claim 1, is characterized in that: " U " shape hole opening direction points to described spinnerets center, and into θ angle with the connecting line at " U " Xing Kong center and spinnerets center, and angle is 5 °-10 °.
5. preparation method according to claim 1, is characterized in that: the described type of cooling be ring blast-cold but.
6. preparation method according to claim 1, is characterized in that: described oiling method adopts two oiling method, by a synnema successively through two identical oil nozzles, carries out front and back oil to strand.
7. the hollow that preparation method obtains according to any one of above claim 1-6 adds " U " shape terylene draw textured yarn (DTY).
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| CN201410851895.XA CN104562240B (en) | 2014-12-31 | 2014-12-31 | U-shaped hollow Dacron draw-textured yarn and preparation method thereof |
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|---|---|---|---|
| CN201410851895.XA CN104562240B (en) | 2014-12-31 | 2014-12-31 | U-shaped hollow Dacron draw-textured yarn and preparation method thereof |
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| CN104562240A true CN104562240A (en) | 2015-04-29 |
| CN104562240B CN104562240B (en) | 2017-02-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019114281A1 (en) * | 2017-12-14 | 2019-06-20 | 江苏恒力化纤股份有限公司 | Light-weight thermal fiber and preparation method therefor |
| CN111647989A (en) * | 2020-06-12 | 2020-09-11 | 浙江伊兰文科技股份有限公司 | Method for manufacturing antistatic polyester stretch yarn |
| CN111647988A (en) * | 2020-06-12 | 2020-09-11 | 浙江伊兰文科技股份有限公司 | Production process of hollow fiber and elastic yarn |
| CN114540967A (en) * | 2022-03-01 | 2022-05-27 | 江苏恒科新材料有限公司 | Production method of super-cotton-like special-shaped hollow textured yarn |
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| JP2000212823A (en) * | 1999-01-20 | 2000-08-02 | Keiichi Murakami | Spinning and apparatus therefor |
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| JP2000212823A (en) * | 1999-01-20 | 2000-08-02 | Keiichi Murakami | Spinning and apparatus therefor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019114281A1 (en) * | 2017-12-14 | 2019-06-20 | 江苏恒力化纤股份有限公司 | Light-weight thermal fiber and preparation method therefor |
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| CN111647989A (en) * | 2020-06-12 | 2020-09-11 | 浙江伊兰文科技股份有限公司 | Method for manufacturing antistatic polyester stretch yarn |
| CN111647988A (en) * | 2020-06-12 | 2020-09-11 | 浙江伊兰文科技股份有限公司 | Production process of hollow fiber and elastic yarn |
| CN114540967A (en) * | 2022-03-01 | 2022-05-27 | 江苏恒科新材料有限公司 | Production method of super-cotton-like special-shaped hollow textured yarn |
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| CN104562240B (en) | 2017-02-22 |
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