CN104047083A - Nylon-containing staple yarn, and production method and application thereof - Google Patents
Nylon-containing staple yarn, and production method and application thereof Download PDFInfo
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- CN104047083A CN104047083A CN201310083821.1A CN201310083821A CN104047083A CN 104047083 A CN104047083 A CN 104047083A CN 201310083821 A CN201310083821 A CN 201310083821A CN 104047083 A CN104047083 A CN 104047083A
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Abstract
The invention discloses a nylon-containing staple yarn, and a production method and application thereof. The staple yarn consists of 20 to 100 weight percent of nylon staple fibers and 80 to 0 weight percent of other staple fibers; the count of the staple yarn is 20-60s, and the yarn evenness is within 16 percent; the nep number is within 50 per kilometer. The production method is simple; the obtained nylon-containing staple yarn is even and has a few neps and a few slubs, the formed textile is smooth in cloth cover, high in quality and high in wear resistance and the application range of the nylon-containing staple yarn is expanded.
Description
Technical field
The present invention relates to a kind of short fiber yarn and production method thereof, be specifically related to a kind of short fiber yarn and production method and purposes containing nylon.
Background technology
Along with the raising of people's living standard, people have rested on cotton fiber incessantly for the concept of fiber, increasing fiber has entered in people's life and has gone, particularly nylon fiber, nylon fiber is with its plentiful feel, ABRASION RESISTANCE, the advantage such as bright-colored, be used in very widely in all kinds of clothes, and the raw material frequently using as high-grade fabric.
Mainly taking the long fibre of nylon as main, nylon staple also has in the market, but seldom, more than 80% nylon staple is all for technical yarns such as nonwoven fabric, is seldom used on clothes.The main cause that is difficult to expand in garment industry is exactly, clothing is relatively high with the requirement of yarn, and domestic nylon fiber is difficult to meet this point at present, be mainly reflected in the yarn that uses domestic nylon fiber to make, thickness joint is many, cotton knot is many, bar evenness is poor, problem more than yarn defect etc., if such yarn uses on garment material, can produce the problems such as cloth cover inferior quality, dye uniformity be bad, so for the use of clothes purposes, the use of nylon fiber is only on long filament, and the use of staple fibre is considerably less.
Nylon and wool blended yarn are disclosed in Chinese patent CN101864632A, improve the problems such as the yarn defect of wool by adopting the nylon staple of 80% wool and 20% to carry out blending, the bar evenness of gained yarn, cotton knot, thickness joint are improved to a certain extent, but still relatively many; In addition owing to 80% being wool in yarn, cost is higher, limited use crowd.
Summary of the invention
The object of the present invention is to provide a kind of to do the short fiber yarn containing nylon even, that cotton knot is few, thickness saves less, yarn defect is few, production method and uses thereof.
Solution of the present invention is: this short fiber yarn is formed by the nylon short fibre of 20～100 % by weight and other staple fibres of 80～0 % by weight; And the number of this short fiber yarn is 20～60s, bar evenness is in 16%, preferably in 14%; Cotton knot number is in 50/km, preferably in 40/km.Press USTER yarn fault grading method, in these short fiber yarn 10 myriametre yarns, large yarn defect number is in 10, preferably in 5; Middle yarn defect number is in 50 preferably in 40.
Consider the feature of production cost and stock yard, above-mentioned other staple fibres are preferably viscose glue or cotton.
Consider the pilling resistance of finished product fabric, the preferred compact spinning of short fiber yarn of the present invention or vortex spinning yarn.Because compact spinning and vortex spinning can reduce fiber more than 3mm significantly, for RING SPINNING, hairiness number more than Compact-spun Yarn: 3mm is RING SPINNING 1/4, and hairiness number more than vortex spinning yarn 3mm is RING SPINNING 1/5.
Production method containing nylon staple yarn of the present invention is as follows: select that filament number is that 0.9～2.2D (DENIER), elongation at break are 45% ± 15%, oil content is 0.3%～1.0%, oil content preferably 0.4～0.8%, crispation number is that nylon short fibre 20～100 % by weight and other staple fibres 80～0 % by weight of 8～16/inch are spinned, and obtains product.The elongation at break of the nylon short fibre of current domestic use is 85% ± 15%, 17 of crispation numbers/more than inch, only can be used for the purposes of nonwoven fabric, because need fiber to have larger extension at break degree and crispation number aspect the making of nonwoven fabric, so more be beneficial to processing, but blowing engineering, the comb and parallel cotton fibers prior to spinning engineering of the raw material of this class in the dress material purposes spinning problems such as web is unintelligible while there will be shredding difficulty, comb and parallel cotton fibers prior to spinning.Elongation at break and crispation number just because of fiber are too large, cannot shredding and card clothing cannot, by straight fiber comb, cause single fiber misaligned, the generation harmful effects such as final bar evenness to resultant yarn, cotton knot, thickness joint, yarn defect.
In compact spinning technique of the present invention, when comb and parallel cotton fibers prior to spinning, cover plate is to the tight slightly grasp of selection of spacing of cylinder, larger than spacing of general cotton fiber, space little than general chemical fibre again, spacing is 8/7/7/7/8～10/9/9/9/10 (cylinder is to 5 measurement points of cover plate, and unit is 1/1000inch); And the rotating speed of doffer, cylinder, licker-in is grasped partially slowly, main purpose is in order to reduce the damage to fiber, reduces cotton knot, yarn defect, improves the bar evenness of the carded sliver; Improve the bar evenness of strip by drafting; In rove engineering, reduce roving twist factor, so that the drawing-off in spun yarn engineering, if twist factor is excessive, is prone to thickness joint in drafting process, affect yarn evenness, twist factor is preferably 0.5～0.65; In spun yarn engineering, rear roller also adopts apron draft, strengthens the control ability to fiber, improves the bar evenness of resultant yarn.
Technology of Air Vortex Spinning of the present invention (MVS) is different from the manufacturing procedure of compact spinning, and vortex spinning is directly drawing to spun yarn from strip, so higher to the requirement of front spinning, the technique of comb and parallel cotton fibers prior to spinning is with above-mentioned compact spinning technique; In drafting engineering, append the drafting with autoleveller function together, further improve bar evenness; In vortex spinning engineering, the setting of total draft multiple and dominant draft is important, and as the yarn of 40s, total draft multiple should not exceed 200 times, and dominant draft should not exceed 25 times; The yarn of 30s, total draft multiple should not exceed 180 times, and dominant draft should not exceed 25 times, each drafting multiple of distribution that like this can be average, thus be conducive to improve the bar evenness of resultant yarn, reduce yarn defect.In addition for vortex spinning wrapped yarn, general heart yarn is for long fine, and outsourcing is staple fibre, closely coated for guaranteeing the staple fibre of outsourcing, requires the yarn section outer wrapping fiber radical can not be lower than 90.Lower than 90, the easy slippage of outer wrapping fiber, causes the heart yarn in the middle of exposing.Computational methods: (the total DENIER number-heart yarn of wrapped yarn DENIER number)/outer wrapping fiber single fiber Denier number=outer wrapping fiber radical; The shared ratio of heart yarn can not exceed 40% of whole yarn in addition.
In order to ensure the quality of final finished yarn, need to meet following requirement with viscose glue, the cotton fiber of above-mentioned nylon short fibre blending, the short-staple that viscose preferred length is 38mm, fiber number is preferably between 0.9～1.5D; Cotton fiber is preferably combed cotton, grade more than 2 grades, medium staple cotton or long-staple cotton can, cotton noils is more than 18%.
Nylon staple yarn of the present invention can be used for making knitted fabric or woven fabric.Gained fabrics cloth cover is bright and clean, filoplume is few, quality is high-grade, good hand feeling, bright-colored and have good ABRASION RESISTANCE etc., has expanded the range of application of nylon short fibre, and gained knitted fabric can be used for jacket, trousering, socks, underwear etc.; Woven fabric can be used for wind coat, insulated cold wear, down jackets etc.
Detailed description of the invention
In the present invention, the method for testing of each physical parameter of yarn is as follows.
(1) bar evenness
GB/T 3292.1-2008 textiles yarn evenness test method part 1: capacitance method.
(2) cotton knot number
GB/T 3292.1-2008 textiles yarn evenness test method part 1: capacitance method.
(3) large yarn defect, middle yarn defect number
Classification and the method for inspection condenser type of FZ/T01050-1997 textiles yarn fault;
Add up to 16 classifications
| A4 | B4 | C4 | D4 |
| A3 | B3 | C3 | D3 |
| A2 | B2 | C2 | D2 |
| A1 | B1 | C1 | D1 |
Large yarn defect comprises (A4+B4+C4+D4)+(B3+D3),
Middle yarn defect comprises (A4+B4+C4+D4)+(B3+C3+D3)+(B2+C2+D2)+(C1+D1).
(4) elongation at break
GBT 14337-2008 man-made staple fibres Wella is stretched method for testing performance.
(5) oil content
GB/T 6504-2008 chemical fibre oil content test method.
(6) crispation number
GB/T 14338-2008 man-made staple fibres dimension crimp property test method.
Below in conjunction with embodiment and comparative example, the invention will be further described.
Embodiment 1
Adopt compact spinning technique, by elongation at break be 40%, oil content is 0.4%, crispation number is 14, the nylon 6(NY6 of 1.5D*38mm) raw cotton prepares (antistatic treatment) → blowing clot → comb and parallel cotton fibers prior to spinning → drafting → rove → spun yarn → winder engineering according to raw cotton and spins, and obtains the NY100% short fiber yarn of 40s.
Above-mentioned each engineering actual conditions is as follows:
Raw cotton is prepared: first antistatic additive and water are allocated according to the ratio of 2:100, then it is evenly sprayed at around the bale of cotton according to the amount of 0.5L/100kg, after sprinkling is good, rise with plastic bag bag, place 24 hours;
Blowing clot: Weight control is between 340～350g/m;
Comb and parallel cotton fibers prior to spinning: weight of card sliver 18g/5m, cover plate spaces 9/8/8/8/9 to cylinder, doffing speed 16rpm, licker-in 780rpm, cylinder 330rpm, sliver exporting speed 70m/min;
Drafting: twice drafting; 1 and 20g/5m, 2 and 18g/5m;
Rove: the heavy 4.6g/10m of rove bar, roving twist factor 0.65;
Spun yarn: three roller drafts, wherein rear roller and middle roller place are all apron draft, 1.35 times of back zone drafting multiples, in roller gauge 45mm (front → in) * 55mm(→ rear), ingot speed 12500rpm;
Winder: coiling speed 1000m/min, uses 2.5 groove drums that enclose.
Embodiment 2
Adopt compact spinning technique, the yarn of the NY6 carded sliver obtaining after embodiment 1 comb and parallel cotton fibers prior to spinning and Xinjiang 229 combed cottons formation is carried out to drafting 3 times, when drafting 1 and silver mixing 20g/5m, 2 and 18g/5m, 3 and 18g/5m, carry out again rove, spun yarn, the winder engineering of same embodiment 1, obtain the NY short fiber yarn of 40s, in gained staple fibre yarn, NY short fibre content is 50%, cotton content is 50%.
Wherein weight of card sliver 16g/5m when 129 comb and parallel cotton fibers prior to spinning of Xinjiang, cover plate spaces 8/7/7/7/8 to cylinder, doffing speed 16rpm, licker-in 880rpm, cylinder 330rpm, sliver exporting speed 70m/min; Combing cotton strip quantity 16g/5m when combing, cotton noils rate 21%.
Embodiment 3
Adopt compact spinning technique, be 50% by elongation at break, oil content is 0.4%, crispation number is 12, 1.2D*38mm NY6 raw cotton carry out after antistatic treatment according to the method for embodiment 1, again the viscose staple fibre of itself and 1.2D*38mm is carried out to garnetting, mix (manual mixed cotton), taking 300kg as a, in every part, nylon accounts for 180kg, viscose glue accounts for 120kg, prepare 4 parts, add up to 1200kg, putting into disc bale plucker Zhong Gonghou road uses, then carry out the blowing clot of same embodiment 1, comb and parallel cotton fibers prior to spinning, drafting, rove, spun yarn, winder engineering, obtain the NY short fiber yarn of 60s, in gained staple fibre yarn, NY short fibre content is 60%, cotton content is 40%.Wherein rove engineering discal patch is heavily for 3.4g/10m, twist factor are 0.7.
The raw cotton of two kinds of heterogeneities can be mixed fully by manual mixed cotton, dwindle interfibrous difference, be beneficial to the processing in rear road, and can improve the uniformity of blending, prevent the generation that blending is irregular.
Embodiment 4
Adopt compact spinning technique, the NY6 raw cotton after the antistatic treatment that embodiment 3 is obtained carries out blowing clot, comb and parallel cotton fibers prior to spinning, drafting, rove, spun yarn, winder engineering, obtains the NY100% short fiber yarn of 50s.
Wherein rove engineering discal patch is heavily for 4.1g/10m, twist factor are 0.65; In spun yarn engineering, ingot speed is 11500rpm, and all the other are with embodiment 1.
Embodiment 5
Adopt compact spinning technique, by elongation at break be 50%, oil content is 0.5%, crispation number is that 12, the NY6 raw cotton of 0.9D*38mm carry out antistatic treatment, blowing clot, comb and parallel cotton fibers prior to spinning, drafting, rove, spun yarn, winding process, obtains the NY100% short fiber yarn of 60s.
Wherein weight of card sliver 16g/5m when comb and parallel cotton fibers prior to spinning; Cover plate spaces 8/7/7/7/8 to cylinder; When drafting 1 and 16g/5m, 2 and 16g/5m; Rove engineering discal patch is heavily for 3.4g/10m, twist factor are 0.7; All the other are with embodiment 1.
Embodiment 6
Adopt RING SPINNING technique, by elongation at break be 45%, oil content is 0.8%, crispation number is that 15, the NY6 of 2.2D*38mm carry out antistatic treatment, blowing clot, comb and parallel cotton fibers prior to spinning, drafting, rove, spun yarn, winding process, obtains the NY100% short fiber yarn of 20s.
Wherein, because yarn count is thicker, when comb and parallel cotton fibers prior to spinning, cover plate spaces and is set as 10/9/9/9/10 to cylinder; Rove engineering discal patch is heavily 8.8g/10m, twist factor 0.60; 1.45 times of back zone drafting multiples in spun yarn engineering, all the other are with embodiment 1.
Embodiment 7
NY6 raw cotton after the antistatic treatment that embodiment 3 is obtained carries out blowing clot, comb and parallel cotton fibers prior to spinning, drafting, vortex spinning engineering, obtains the NY100% short fiber yarn of 30s.
Wherein drafting is 3 times, 1 and 18g/5m, 2 and also (autoleveller) 16g/5m of 16g/5m, 3; In vortex spinning engineering total draft multiple be 165 times, dominant draft multiple be 25 times, auxiliary drafting multiple be 2.2 times, spin speed for 340m/min, air pressure be 0.55mpa; All the other conditions are with embodiment 1.
Embodiment 8
The yarn that the NY6 carded sliver obtaining after embodiment 3 comb and parallel cotton fibers prior to spinnings and Xinjiang 129 combed cottons are formed carries out drafting 3 times, then carries out vortex spinning, obtains the NY short fiber yarn of 40s, and in gained staple fibre yarn, NY short fibre content is 50%, cotton content is 50%.
Wherein weight of card sliver 16g/5m when 129 comb and parallel cotton fibers prior to spinning of Xinjiang, cover plate spaces 8/7/7/7/8 to cylinder, doffing speed 16rpm, licker-in 880rpm, cylinder 330rpm, sliver exporting speed 70m/min; Combing cotton strip quantity 16g/5m when combing, cotton noils rate 21%;
When the NY6 carded sliver and Xinjiang 129 yarn drafting, 1 and silver mixing 18g/5m, 2 and also (autoleveller) 14g/5m of 17g/5m, 3;
In vortex spinning engineering total draft multiple be 198 times, dominant draft multiple be 25 times, auxiliary drafting multiple be 2.6 times, spin speed for 330m/min, air pressure be 0.53mpa.
Embodiment 9
The carded sliver that the NY6 obtaining after embodiment 3 comb and parallel cotton fibers prior to spinnings and viscose glue are formed carries out drafting, the vortex spinning of same embodiment 8 conditions, obtains the short fiber yarn of 40s, and in gained staple fibre yarn, NY short fibre content is 60%, cotton content is 40%.
Embodiment 10
The NY6 carded sliver obtaining after embodiment 5 comb and parallel cotton fibers prior to spinnings is carried out to drafting 3 times, 1 and 16g/5m, 2 and 16g/5m, 3 (autoleveller) 14g/5m also; And then carry out vortex spinning processing with 40D-34f-NY6 FDY, vortex spinning processing conditions: 288 times of total draft multiples, 40 times of dominant drafts, 2.4 times of auxiliary drawing-offs, spin fast 300m/min, air pressure 0.58mpa, curling than the ratio of delivery roller speed (the groove drum winding speed with) 1.01, feeding, than 0.97 the ratio of front roller speed (the delivery roller speed with), obtains 40s vortex spinning wrapped yarn, 100 of outer wrapping fiber radicals.
Knitted fabric or woven fabric that the nylon staple yarn that embodiment 1～10 obtains forms.
Comparative example 1
Adopt compact spinning technique, select the NY6 of elongation at break 85%, 18/inch of crispation number, oil content 1.2%, 1.5D*38mm to carry out antistatic treatment, blowing clot, comb and parallel cotton fibers prior to spinning, drafting, rove, spun yarn, winding process, obtain the short fiber yarn of 40sNY100%.
Comparative example 2
Adopt compact spinning technique, select the NY6 fiber of elongation at break 80%, 20/inch of crispation number, oil content 1.0%, 0.9D*38mm to carry out antistatic treatment, blowing clot, comb and parallel cotton fibers prior to spinning, drafting, rove, spun yarn, winding process, all the other obtain the short fiber yarn of the NY100% of 60s with embodiment 1.
Comparative example 3
Adopt Technology of Air Vortex Spinning, select elongation at break 80%, the NY6 fiber of 22/inch of crispation number, oil content 1.0%, 1.2D*38mm carries out antistatic treatment, blowing clot, comb and parallel cotton fibers prior to spinning, drafting, Technology of Air Vortex Spinning, and all the other obtain the short fiber yarn of the NY100% of 30s with embodiment 7.
Table 1
Claims (9)
1. containing a short fiber yarn for nylon, it is characterized in that: this short fiber yarn is formed by the nylon short fibre of 20～100 % by weight and other staple fibres of 80～0 % by weight; And the number of this short fiber yarn is 20～60s, bar evenness is in 16%, and km cotton knot number is in 50.
2. according to claim 1 containing the short fiber yarn of nylon, it is characterized in that: by USTER yarn fault grading method, in these short fiber yarn 10 myriametre yarns greatly yarn defect number in 10, middle yarn defect number is in 50.
3. according to claim 2 containing the short fiber yarn of nylon, it is characterized in that: the large yarn defect number of this short fiber yarn in 5, middle yarn defect number is in 40.
According to described in claim 1 or 2 containing the short fiber yarn of nylon, it is characterized in that: the bar evenness of this short fiber yarn in 14%, km cotton knot number is in 40.
5. according to the short fiber yarn containing nylon described in claim 1 or 2, it is characterized in that: in this short fiber yarn, other staple fibres are viscose glue or cotton.
6. the short fiber yarn of nylon according to claim 1, is characterized in that: this short fiber yarn is compact spinning or vortex spinning yarn.
7. described in a claim 1, contain the production method of the short fiber yarn of nylon, it is characterized in that: nylon short fibre 20～100 % by weight and other staple fibres 80～0 % by weight that select that filament number is that 0.9～2.2 DENIER, elongation at break are 45% ± 15%, oil content are between 0.3%～1.0%, crispation number is 8～16/inch are spinned, and obtain product.
8. the production method of the short fiber yarn containing nylon according to claim 7, is characterized in that: described other staple fibres are viscose glue or cotton.
9. the knitted fabric or the woven fabric that described in a claim 1, make containing the short fiber yarn of nylon.
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| CN104047083B (en) | 2018-03-27 |
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