CN100582329C - Moisture absorption polyamide 6 fibre and production method thereof - Google Patents
Moisture absorption polyamide 6 fibre and production method thereof Download PDFInfo
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- CN100582329C CN100582329C CN200610155359A CN200610155359A CN100582329C CN 100582329 C CN100582329 C CN 100582329C CN 200610155359 A CN200610155359 A CN 200610155359A CN 200610155359 A CN200610155359 A CN 200610155359A CN 100582329 C CN100582329 C CN 100582329C
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- 239000000835 fiber Substances 0.000 title claims abstract description 64
- 229920002292 Nylon 6 Polymers 0.000 title claims abstract description 36
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- 238000002360 preparation method Methods 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 241000220324 Pyrus Species 0.000 claims description 5
- 229910003460 diamond Inorganic materials 0.000 claims description 5
- 239000010432 diamond Substances 0.000 claims description 5
- 229940085805 fiberall Drugs 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 235000021017 pears Nutrition 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 208000011580 syndromic disease Diseases 0.000 claims description 2
- 229920006052 Chinlon® Polymers 0.000 claims 1
- 238000009987 spinning Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000012797 qualification Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 12
- 239000004744 fabric Substances 0.000 description 10
- 238000013461 design Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920004934 Dacron® Polymers 0.000 description 2
- 229920004933 Terylene® Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Artificial Filaments (AREA)
- Multicomponent Fibers (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention relates to moisture-absorption polyamide-6 fiber and the manufacturing method. The invention utilizes a special-shaped spinning plate to produce the polyamide-6 fiber with a cross type cross section, the fiber of the invention has good moisture-absorption function, simultaneously, the invention also overcomes the default of the prior art for producing polyamide-6 fiber, and provides a manufacturing technology of high product qualification ratio.
Description
Technical field
The present invention relates to a kind of moisture absorption polyamide 6 fibre and preparation method thereof.
Background technology
Human pursuit to snugness of fit is that nature are inevitable, on the basis that can keep the polyamide 6 good characteristic, further gives the good moisture-absorption characteristics of this fiber and is present daiamid-6 fiber manufacturing enterprise and all want the target that lays siege to.Daiamid-6 fiber is widely used in textile garment and other non-woven field as one of big fiber of three in the synthetic fiber because of it has good physics and chemical characteristic.Aspect the exploitation water absorbent fiber, Europe, the United States, day area starting are relatively early also advanced, and have obtained many patents and product brand, but the overwhelming majority all concentrates on terylene, polypropylene fibre aspect.At present, the chemical fibre manufacturer of Taiwan also all has and has developed the odd-shaped cross section polyster fibre with moisture absorbing that differs from one another in succession, almost all be to utilize the fiber odd-shaped cross section to increase capillarity, make fabric have the dry-touch wet permeability performance owing to interfibrous capillary channel produces core sucting action, core sucting action is bigger on the principle, and wet transmitting performance better.Domestic having part producer existing related aspect the moisture absorption polyster fibre, the sale that puts goods on the market of the absorbent product of some producers such as Xiamen Xiang aigret, the existing small lot terylene brand of Yizheng Fiber Optical plant is arranged.
Because conventional polyamide 6 product has better hygroscopicity than similar dacron product, its regain reaches 4.5%, is 10 times of dacron product, therefore utilizes polyamide 6 exploitation moisture absorption class textiles can obtain better moisture pick-up properties.While is owing to polyamide 6 product resilience, ABRASION RESISTANCE are good, and feel is soft, can be widely used in the textile garment articles for use aspect that underskirt, sportswear, socks etc. and skin directly contact, so daiamid-6 fiber with hydroscopic fast-drying function, have the irreplaceable effect of other hydroscopic fast-drying fibrid, market prospects are quite wide.
Aspect polyamide 6 hydroscopic fast-drying Products Development, because there is certain technical difficulty the aspects such as control of the design in profile spinneret hole and spinning, texturing craft, domestic manufacturer has no precedent the research report of Related product.In polyamide 6 absorbent product Design of spinneret process, the minor variations of pore size is easy to cause that spinneret draft is than excessive or too small in spinning process, thereby cause the instability or the reduction of strand groove of spinning process, cause product percent of pass and moisture pick-up properties to descend, therefore phasing ought difficulty really for best pore size.Simultaneously again because the moisture absorption polyamide 6 fibre specific area is bigger, and the spinning speed of polyamide 6 product is usually more than 4000m/min, thereby can cause that the frictional force of fiber increases greatly in the spinning process, and cause fibrous fracture and dyeing uneven, finally cause the qualification rate of product to descend.
Summary of the invention
The invention provides a kind of moisture absorption polyamide 6 fibre and preparation method thereof, solved existing in prior technology the problems referred to above.
Above-mentioned technical purpose of the present invention solves by the following technical programs:
A kind of moisture absorption polyamide 6 fibre is characterized in that the filament surface has groove.This groove is located at the outer surface of daiamid-6 fiber, is different from other profiled filament, has increased the surface area of fiber, has obtained more outstanding moisture sorption effect, the production bottleneck of special-shaped polyamide 6 before the present invention simultaneously solves.Cross section by design spinnerets micropore is cross, makes the groove of fiber surface more outstanding, and its design simultaneously is comparatively convenient.The structure of cross section has than deep trench fiber surface, guarantee the moisture pick-up properties of fiber, specifically can be that spinnerets micropore cross section is cross, micropore length than wide be 5-13, and 0.3mm≤length≤1.0mm, 0.04mm≤wide≤0.1mm can control shear rate and spinneret draft ratio so effectively, guarantee that fiber has higher degree of profile, prevent that melt overinflation or fiber from excessively stretching and the groove of forfeiture fiber surface.Find according to the study, has the wearability that sense of touch as stronger hygroscopicity and gas permeability, the real silk, resilience reach excellences such as ABRASION RESISTANCE is good well through the odd-shaped cross section polyamide 6 of this spinnerets production, do not adhere to skin simultaneously when this product fabric and contact skin, specific area is big, light weight is compared in light weightly 20% with common daiamid-6 fiber, feel more softly comfortable, therefore at underskirt, be widely used on the fabric that sportswear, shirt, swimsuit, socks etc. are direct with skin contacts.Therefore, the profile spinneret hole shape of the present invention's design has than deep trench fiber surface, guarantees the moisture pick-up properties of fiber.
Aspect the spinneret design of moisture absorption class chemical fibre, multiple choices are being arranged, can be as the spinneret orifice shape: "+", " Y ", " H ", " W ",
" C " etc., wherein simple relatively with the design of "+" hole shape, the moisture absorption pleasant sensation function admirable of gained fiber.Prior art has a plurality of " C ", and the shape hole is combined into various difform spinneret orifices production water absorbent fibers, but because very little with this kind method gained fibre single thread, a common contained monofilament of fiber has only the 2-8 root, and because the polyamide 6 long filament is to adopt high speed spinning, the fiber cooling of producing with this kind spinnerets is difficult, it is big to add frictional force, so be easy to cause broken end and filoplume in spinning process.Therefore simple relatively with the design of "+" hole shape, the moisture absorption pleasant sensation function admirable of gained fiber is made relatively easy.
In order further to improve the performance and the qualification rate of product of the present invention, the present invention also provides a kind of preparation method of above-mentioned moisture absorption polyamide 6 fibre, and it may further comprise the steps:
(1) spray silk moulding: polyamide 6 section is through feed bin, enter the screw rod extrusion molten, screw rod is respectively distinguished temperature between 235-270 ℃, melt is delivered to measuring pump through extruding and measures, then enter assembly by the casing pipeline, mix, filter, from profile spinneret, spray, cooling forming under the condition under the cooling air of 16～25 ℃ of humidity 80～95%, temperature;
(2) oil: going up oil mass is the 1.6%-1.9% of fibre weight;
(3) stretch, reel: to reeling behind the above-mentioned tensile fiber, wherein the POY winding speed is 3900-4200m/min, and HOY, FDY winding speed are 4400-4700m/min;
(4) add bullet: treat that carrying out DTY after the POY balance adds bullet, adding bullet speed is 500-650m/min m, and heater temperature is 168-178 ℃.
In above-mentioned procedure of processing, in order to improve spray yarn quality of the present invention, as preferably, the used metal nonwoven fabric of melt filtration is 15-25u in the moulding of spray silk, and filter sand is a metal sand, and the order number is the 40-60 order.
As more preferably, the cooling air wind speed is 0.36-0.45m/s in the moulding of spray silk, wind-warm syndrome 16-21 ℃, and rheumatism 88-91%.
In above-mentioned procedure of processing, long-pending bigger more than 40% than conventional circular hole fiber at this specific fiber surface, the big characteristics of frictional force in the process increase oil mass on the fiber, and the removable parts equipment component to reduce fiber tension, leads product A A and reaches more than 94.0%;
In adding the process of bullet, adopt and fold dish friction-type elasticizer, its draw ratio 1.190-1.220, D/Y simultaneously by the residual elongation of control DTY rationally, have avoided lousiness generation and fiber surface groove to weaken owing to stretching than 1.65-1.95.
In order to improve the uniformity of fiber, reduce friction, as preferably, add that to play the frictional disk number that is adopted in the step be soft ceramic disk or PU dish.Can reduce the frictional force between fiber and seal wire device like this, reduce machine tensions.
As more preferably, the seal wire device that contacts with fiber all adopts the surface to do the ceramic filar guide based of diamond polishing, and twist arrester selects for use the surface to do the metal twist arrester that pears ground is handled.
By adopting above processing method and step, product of the present invention has following characteristics:
Gained fiber physical property index is good, can satisfy the following process requirement well;
Be made into fabric with the DTY product, the moisture pick-up properties of test silk, after 30 seconds the 0.3ml water droplet at the diffusion area 〉=7.5cm2 of cloth cover, 20cm * measure wicking height 〉=8cm of 15 minutes of 2.5cm fabric;
The dyeing uniformity of fiber of the present invention 〉=4 grade, filoplume number≤1 in 100 myriametres;
The high degree of profile of fiber of the present invention " outer hollow " structure makes the general circle cross section fiber height in its filament gap, alleviates 20-30% than common polyamide volume weight.
Simultaneously, moisture absorption HOY, the FDY of gained, DTY fiber when carrying out following process, must be noted fabric structure, back finishing method is to the fabric moisture Effect on Performance, and reasonably fabric structure and afterfinish method all help the raising of fabric moisture performance.
The specific embodiment
Below by specific embodiment, technical scheme of the present invention is described in further detail.
Embodiment 1:
The preparation of moisture absorption polyamide 6 DTY
(a) preparation of polyamide 6 POY
Product specification POY 90dtex/24f, polyamide 6 section adopts happy and harmonious spinning machine, and adopts the cross spinnerets, its pore size: long 0.6mm, wide 0.08mm, length-width ratio 7.5: 1, its concrete processing parameter sees Table 1
Table 1
(b) preparation of DTY
The POY that adopts said method to produce is added bullet, equipment: Italian RPR elasticizer, POY character: fracture strength 3.67cN/dtex, extension at break 62%, bar does 0.81%.Its concrete parameter sees Table 2
Table 2
| Product specification | 78dtex/24f |
| The POY precursor | 90dtex/24f |
| Type | RPR |
| Process velocity (m/min) | 600 |
| Heater temperature (℃) | 175 |
| Draw ratio | 1.20 |
| D/Y ratio | 1.75 |
| Frictional disk number (individual) | 1-6-1 |
Embodiment 2
Moisture absorption polyamide 6 HOY, FDY preparation
Product specification HOY 33dtex/12f, FDY 44dtex/12f is a base stock with the polyamide 6 section, adopts happy and harmonious spinning machine, and adopts cross spinnerets, its pore size: long 0.56mm, wide 0.07mm, length-width ratio 8: 1.Its concrete processing parameter sees Table 3.
Table 3
Claims (9)
1, a kind of preparation method of moisture absorption polyamide 6 fibre, may further comprise the steps: the moulding of (1) spray silk: chinlon 6 section is through feed bin, enter the screw rod extrusion molten, screw rod is respectively distinguished temperature between 235-265 ℃, melt is delivered to measuring pump through extruding and measures, then enter assembly by melt pipe, mix, filter, from profile spinneret, spray, with humidity is 85～95%, temperature is 16～21 ℃, wind speed is the cooling air cooling of 0.36-0.45m/s, and described special-shaped spinnerets micropore cross section is cross, the length of cross than wide be 5-13, and 0.3mm≤length (a)≤1.0mm, 0.04mm≤wide (b)≤0.1mm;
(2) oil: going up oil mass is 1.6%-1.9%;
(3) stretch, reel: to reeling behind the above-mentioned tensile fiber, wherein the POY winding speed is 3900-4200m/min, and HOY, FDY winding speed are 4400-4700m/min;
(4) add bullet: treat that carrying out DTY after the POY balance adds bullet, adding bullet speed is 500-650m/min, and heater temperature is 168-178 ℃;
Described moisture absorption polyamide 6 fibre, its filament surface has groove, and fiber cross section is cross.
2, according to the preparation method of the described moisture absorption polyamide 6 fibre of claim 1, it is characterized in that: adding the frictional disk that is adopted in the bullet step is soft ceramic disk or PU dish.
3, according to the preparation method of claim 1 or 2 described moisture absorption polyamide 6 fibres, it is characterized in that: the cooling air wind speed is 0.36-0.45m/s in the moulding of spray silk, wind-warm syndrome 18-19 ℃, and rheumatism 88-90%.
4, according to the preparation method of claim 1 or 2 described moisture absorption polyamide 6 fibres, it is characterized in that:
Add to play and adopt folded dish friction-type elasticizer in the step, its draw ratio 1.190-1.220, D/Y compares 1.65-1.95.
5, according to the preparation method of the described moisture absorption polyamide 6 fibre of claim 3, it is characterized in that:
Add to play and adopt folded dish friction-type elasticizer in the step, its draw ratio 1.190-1.220, D/Y compares 1.65-1.95.
6, according to the preparation method of claim 1 or 2 described moisture absorption polyamide 6 fibres, it is characterized in that:
The seal wire device that contacts with fiber all adopts the surface to do the ceramic filar guide based of diamond polishing, and twist arrester selects for use the surface to do the metal twist arrester that pears ground is handled.
7, according to the preparation method of the described moisture absorption polyamide 6 fibre of claim 3, it is characterized in that:
The seal wire device that contacts with fiber all adopts the surface to do the ceramic filar guide based of diamond polishing, and twist arrester selects for use the surface to do the metal twist arrester that pears ground is handled.
8, according to the preparation method of the described moisture absorption polyamide 6 fibre of claim 4, it is characterized in that:
The seal wire device that contacts with fiber all adopts the surface to do the ceramic filar guide based of diamond polishing, and twist arrester selects for use the surface to do the metal twist arrester that pears ground is handled.
9, according to the preparation method of the described moisture absorption polyamide 6 fibre of claim 5, it is characterized in that:
The seal wire device that contacts with fiber all adopts the surface to do the ceramic filar guide based of diamond polishing, and twist arrester selects for use the surface to do the metal twist arrester that pears ground is handled.
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| CN200610155359A CN100582329C (en) | 2006-12-21 | 2006-12-21 | Moisture absorption polyamide 6 fibre and production method thereof |
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| CN200610155359A CN100582329C (en) | 2006-12-21 | 2006-12-21 | Moisture absorption polyamide 6 fibre and production method thereof |
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| CN100582329C true CN100582329C (en) | 2010-01-20 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102409419B (en) * | 2011-09-16 | 2014-03-26 | 义乌华鼎锦纶股份有限公司 | Flexible and heterogeneous nylon-6 fiber |
| CN103233284A (en) * | 2013-05-23 | 2013-08-07 | 海安县恒业制丝有限公司 | Production method of novel functional fiber triangular specially-shaped yarns |
| CN104018242B (en) * | 2014-04-23 | 2016-05-25 | 浙江方圆聚合纤有限公司 | The preparation method of polyamide fibre 6 ultra micro fine denier POY long filaments |
| CN104593885A (en) * | 2015-01-19 | 2015-05-06 | 福建锦江科技有限公司 | Preparation method of chinlon 6 moisture absorption and sweat releasing draw-textured yarns |
| CN104805519B (en) * | 2015-04-24 | 2017-01-25 | 浙江美丝邦化纤有限公司 | Production method of polyamide-6 profiled fiber |
| CN106435781B (en) * | 2016-08-31 | 2018-10-12 | 义乌华鼎锦纶股份有限公司 | A kind of moisture absorption is ventilative to imitate numb nylon fibre and preparation method thereof |
| CN106758179A (en) * | 2017-01-16 | 2017-05-31 | 苏州泰克银纤维科技有限公司 | A kind of silver-coating method of polyamide fibre DTY fiber |
| CN107130327A (en) * | 2017-04-25 | 2017-09-05 | 福建恒捷实业有限公司 | A kind of preparation method of imitative cotton nylon-6 fiber |
| CN109056087A (en) * | 2018-10-15 | 2018-12-21 | 浙江亚星纤维有限公司 | One kind is highly hygroscopic to perspire rich font nylon stretch yarn |
| CN109440223A (en) * | 2018-11-07 | 2019-03-08 | 午和（江苏）差别化纤维有限公司 | A kind of wet fiber material preparation method of spiral porous structure |
| CN110173785B (en) * | 2019-05-30 | 2021-10-26 | 广东美的制冷设备有限公司 | Humidifying filter element for air conditioning equipment and air conditioning equipment |
| CN115404560A (en) * | 2022-09-23 | 2022-11-29 | 福建凯邦锦纶科技有限公司 | Polyamide 6 cross spiral fully drawn yarn and production method thereof |
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Owner name: YIWU HUADING NYLON CO., LTD. Free format text: FORMER OWNER: DING ERMIN Effective date: 20100414 |
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Effective date of registration: 20100414 Address after: 322000, Yiwu, China, Yiwu, Limited by Share Ltd, No. 751, Xuefeng West Road, Zhejiang Patentee after: Yiwu Huading Nylon Co., Ltd. Address before: 322000, Yiwu City, Zhejiang province Yiwu No. 751 Xuefeng West nylon Co., Ltd. Patentee before: Ding Ermin |