CN101634051B - Melt direct spinning superfine denier terylene FDY filament and preparation process thereof - Google Patents
Melt direct spinning superfine denier terylene FDY filament and preparation process thereof Download PDFInfo
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- CN101634051B CN101634051B CN2009100270279A CN200910027027A CN101634051B CN 101634051 B CN101634051 B CN 101634051B CN 2009100270279 A CN2009100270279 A CN 2009100270279A CN 200910027027 A CN200910027027 A CN 200910027027A CN 101634051 B CN101634051 B CN 101634051B
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- 229920004933 Terylene® Polymers 0.000 title claims abstract description 19
- 239000005020 polyethylene terephthalate Substances 0.000 title claims abstract description 19
- 238000010036 direct spinning Methods 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 238000009987 spinning Methods 0.000 claims abstract description 61
- 238000000034 method Methods 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 239000000835 fiber Substances 0.000 claims abstract description 26
- 239000000155 melt Substances 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 57
- 239000011148 porous material Substances 0.000 claims description 15
- 238000007664 blowing Methods 0.000 claims description 12
- 229920000728 polyester Polymers 0.000 claims description 10
- 241000108463 Hygrophila <snail> Species 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 238000012545 processing Methods 0.000 abstract description 4
- 208000012886 Vertigo Diseases 0.000 description 52
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 27
- 238000005516 engineering process Methods 0.000 description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 10
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 9
- 238000005098 hot rolling Methods 0.000 description 8
- 238000000465 moulding Methods 0.000 description 8
- 238000012856 packing Methods 0.000 description 7
- 239000004408 titanium dioxide Substances 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 244000144730 Amygdalus persica Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 235000006040 Prunus persica var persica Nutrition 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a melt direct spinning superfine denier terylene FDY filament and a preparation process thereof. The superfine denier terylene FDY filament is prepared by the following steps: adopting a production line of a melt direct spinning one-step method, using a spinning plate with the diameter of capillary of 0.15 to 0.2mm, L/D of 2.6 to 3.6 and diameter of plate surface of 70 to 90mm, installing fairing in a fiber cooling area and adopting a two-way oil feeding system to directly produce the superfine denier terylene FDY filament; and the obtained dpf (denier per filament) is 0.3 to 0.6, the number of orifices of one strand of filameter is 144F to 192F. The process routine can improve internal quality, simultaneously greatly reduces the processing cost, and has the capability of replacing imported similar products.
Description
Technical field
The present invention relates to a kind of production technology of polyester filament, be specifically related to a kind of melt direct spinning superfine denier terylene FDY filament and preparation technology thereof, belong to the chemical fibre technical field.
Background technology
Raising along with living standard and quality of life, people are also more and more higher to the requirement that clothes are worn the aspect, the lining of cotton, fiber crops and common synthetic fiber is because himself characteristics and intrinsic limitation, can not satisfy the growing demand of people, particularly overlap clothes and toy lint aspect outside, people have higher requirement, want soft as the feel of fabric, drapability is good, and is flexible, dry and comfortable exquisiteness etc.
And the hole count of fiber is many, the fiber number of every hole monofilament is the fabric feeling particularly soft that the superfine Denier fibre of dpf in the 0.3-0.6 scope made, fiber specific surface area is big simultaneously, the chance that contacts with dust or greasy dirt is more, and between silk and the silk, have ten hundreds of little micropores between layer and the layer, greasy dirt is just many from the chance of fiber surface gap infiltration, embodies extremely strong cleaning function, the good function of drying, breathing freely.This textiles is owing to its excellent function, so product price has competitiveness.This series products is monopolized by some enterprises such as Japan, Korea S, Taiwan at present, because the limitation of the two-step method mode of production and domestic corollary equipment such as spinneret design, micro-measurement pump etc. and the limitation of producing, this superfine fibre overwhelming majority is from external import, price is high always, and so situation has seriously restricted the processing cost of downstream textile enterprise.
Summary of the invention
Purpose of the present invention is exactly a kind of melt direct spinning superfine denier terylene FDY filament that provides in order to overcome above-mentioned weak point.The production of this superfine denier terylene FDY filament utilizes original process units that directly spins, and produces route according to the fused mass directly spinning one-step method, only the technology spinning part is transformed, and small investment, instant effect reduces the weaving cost greatly, improves the market competitiveness with international product.
Another object of the present invention provides the preparation technology of this melt direct spinning superfine denier terylene FDY filament.
The objective of the invention is to realize by following embodiment:
A kind of melt direct spinning superfine denier terylene FDY filament, it is characterized in that this superfine denier terylene FDY filament adopts following method to prepare: produce route according to the fused mass directly spinning one-step method, in spinning process, use the pore diameter to be 0.15-0.2mm, L/D=2.6-3.6, plate surface diameter is the spinnerets of 70-90mm, and the fiber cooling zone is installed radome fairing and adopted oil system on the twice, directly produces ultra-fine FDY silk, gained filament number dpf is 0.3-0.6, and a synnema hole count is 144F-192F.
Melt direct spinning superfine denier terylene FDY filament of the present invention, the preferred fused mass directly spinning one-step method that adopts is produced route, in spinning process, use the pore diameter to be 0.16mm, L/D=3.4, plate surface diameter is the spinnerets of 70mm, and the fiber cooling zone is installed radome fairing and adopted oil system on the twice, directly produces ultra-fine FDY silk, gained filament number dpf is that 0.436, one synnema hole count is 156F.
The preparation method of above-mentioned melt direct spinning superfine denier terylene FDY filament may further comprise the steps:
Press the fused mass directly spinning one-step method and produce route, with polyester fondant through fondant filter after the supercharging of gear booster pump carry, cool off by cooler, be redistributed to each and spin the position, each spins the position and by measuring pump melt quantitative is delivered to each filament spinning component, after melt process filter course in filament spinning component filters and evenly pressurizes, be the thread ejection through pore shape spinneret orifice, radome fairing is installed in the as-spun fibre cooling zone, the melt thread by after the lateral blowing cooling, is frozen into strand through the cooling zone, oils by oil nozzle and after oil tanker oils again, drafting forming, add network, be wound into the FDY spinning cake.Concrete technological process is as follows: and PTA+EG → PET melt (half delustring is that the content of titanium dioxide is 0.12-0.5%) → fondant filter → booster pump → cooler → spinning manifold → measuring pump → filament spinning component → lateral blowing cooling (being furnished with the radome fairing cooling) → oil nozzle oils → spinning shaft → oil tanker oils → and pre-network → first hot-rolling → second hot-rolling → master network → yarn break detector → coiling and molding → check classification → packing puts in storage.Also can adopt the content range of commercially available titanium dioxide by requirement of the present invention is 0.12-0.5% half delustring PET polyester slice.
Key technology of the present invention has following 3 points: 1. the present invention produces on original straight spinning production line, has adopted the spinnerets of particular design in the spinning process, and the pore diameter of this plate is 0.15-0.2mm, L/D=2.6-3.6, and plate surface diameter is 70-90mm.Plate surface diameter is more little, the spinneret orifice spacing is also just more little, bring difficulty to spinning, and the present invention can use the little spinnerets spinning to 70mm of plate surface diameter, and by the selection that L/D ratio, micro-pore diameter and the hole of pore are arranged, not only meet working condition, more help the cooling of as-spun fibre.2. in the as-spun fibre cooling zone radome fairing has been installed, general many F of manufacturer production silk, adopt ring blowing mode, the ring blowing causes the inhomogeneous cooling of precursor even easily, thereby have influence on drawing-off effect (being the interior quality heterogeneity), and the present invention adopts the lateral blowing mode be furnished with radome fairing to reach fiber is evenly cooled off, and avoid occurring the core-skin type silk, influence spinning and carry out smoothly, thereby influence the quality of product.3. producing conventional variety FDY silk generally adopts oil tanker to oil, but if hole count is too much, it is little owing to contact area when oil tanker oils, it is inhomogeneous to cause oiling, and a large amount of lousiness can occur in the production, the present invention adopt twice to oil (one oil nozzle oils systems technology, another road is that oil tanker oils), make full use of two kinds of advantages that go up oil systems, guarantee that fiber avoids in excessively fluffing broken end and moulding bad in drafting forming, can satisfy the porous requirement of fiber production of the present invention.Above-mentioned key technology has been guaranteed the silk of production special requirement of the present invention.
The present invention is terylene half delustring full-drawn yarn (TiO
2Content is 0.12-0.5%), be composited by up to a hundred monofilament, because many feels of holes on synthetic fibres particularly soft, fiber specific surface area is just big simultaneously, the chance that contacts with dust or greasy dirt is more, greasy dirt is just many from the chance of fiber surface gap infiltration, so this new product also has extremely strong cleaning function.Finished silk fiber number of the present invention is between the 50D-100D.
Superfine fibre of the present invention can be applicable to top-grade fashion lining, home-textile (as sportswear, Casual Wear, underwear etc.), toy lining, bathroom lining, imitative peach face fabric and is used to make senior lens wiping paper, gas filtering material or the like, this product feel particularly soft, the fabric of making have bulkiness, warmth retention property preferably.
Beneficial effect of the present invention:
The present invention has adopted fused mass directly spinning FDY production technology and 24 winding apparatus, spinning two-step method (POY-DTY) production route with the section of routine compares, saved the operation of chip drying, extrusion molten and back processing, used multiple head spinning twins technology simultaneously, its production efficiency has improved about 50% than the efficient of a Japanese TMT16 spinning equipment, and energy consumption has reduced by 33%.Therefore the processing cost of adopting process route reduces significantly, finished product direct saving cost per ton is more than 300 yuan, has tangible cost advantage, the inherent quality of product promotes to some extent simultaneously, selling price will exceed 800 yuan/ton than the similar kind of routine, the quality of product of the present invention is up to state standards fully, has the ability of import substitution like product.
The specific embodiment
Equipment: paradigmatic system is the equipment of homemade three still polymerizations, and Inovix inferior company in Beijing produces; Spinning equipment is 24 spinning equipments that Dalian Synthetic Fibres Inst. produces; Up-coiler is that 24 of German Barmag AG production spin twins' stretching and winding machine, and model is i-QOON-5B-1380/24.
Material: PTA (p-phthalic acid), Yadong, Shanghai petrochemical industry Co., Ltd produces; EG (ethylene glycol), Nanjing and field chemical industry Co., Ltd produce; Spinning oil is that Japanese loose our company produces, and model is ARA-1001.
Embodiment 1 production specification is the FDY silk (filament number dpf is 0.436) of 68dtex/156F.
This product adopts the fused mass directly spinning one-step method to produce route, the polyester fondant that the PTA+EG polymerization obtains (PET) process fondant filter is after gear booster pump supercharging conveying, cool off by cooler, be redistributed to each and spin the position, each spins the position and by measuring pump melt quantitative is delivered to each filament spinning component, after melt process filter course in filament spinning component filters and evenly pressurizes, (spinnerets is in filament spinning component through pore shape spinneret orifice, the pore diameter of plate is 0.16mm, L/D=3.4, and plate surface diameter is 70mm.) be thread ejection, in the as-spun fibre cooling zone radome fairing has been installed, the melt thread is after the lateral blowing cooling of cooling zone by constant temperature and humidity, be frozen into strand, again by twice oil (one oil nozzle oils, and another road is that oil tanker oils), drafting forming, add network, be wound into the FDY spinning cake, after look check classification is taken a sample and knit socks, declared to finished silk, the packing warehouse-in.Concrete technological process is: and PTA+EG → PET melt (half delustring is that the content of titanium dioxide is 0.26%) → fondant filter → booster pump → cooler → spinning manifold → measuring pump → filament spinning component → lateral blowing cooling (being furnished with the radome fairing cooling) → oil nozzle oils → spinning shaft → oil tanker oils → and pre-network → first hot-rolling → second hot-rolling → master network → yarn break detector → coiling and molding → check classification → packing puts in storage.
Concrete parameter sees Table 1:
Table 1: the concrete process parameter table of present embodiment spinning
Produce the polyester FDY filament that specification is 68dtex/156F at last, production run is normal, and appearance index and spinning cake moulding are good, high-class product rate 93%.
Table 2: present embodiment 68dtex/156F product physical index table
| Line density | dtex | 68 |
| The line density deviation | ％ | 0.32 |
| The line density coefficient of variation | ％ | 0.81 |
| Fracture strength | cN/dtex | 3.96 |
| The fracture strength coefficient of variation | ％ | 2.32 |
| Extension at break | ％ | 27.3 |
| The extension at break coefficient of variation | ％ | 4.65 |
| Oil-containing | ％ | 1.15 |
| Boiling water shrinkage | ％ | 7.2 |
| The network degree | Individual/rice | 30 |
| Dyeing | Level | 4.0 |
Embodiment 2 production specifications are the FDY silk (filament number dpf is 0.576) of 110.5dtex/192F.
This product adopts the fused mass directly spinning one-step method to produce route, the polyester fondant that the PTA+EG polymerization obtains (PET) process fondant filter is after gear booster pump supercharging conveying, cool off by cooler, be redistributed to each and spin the position, each spins the position and by measuring pump melt quantitative is delivered to each filament spinning component, after melt process filter course in filament spinning component filters and evenly pressurizes, (spinnerets is in filament spinning component through pore shape spinneret orifice, the pore diameter of plate is 0.15mm, L/D=3, and plate surface diameter is 70mm.) be thread ejection, in the as-spun fibre cooling zone radome fairing has been installed, the melt thread is after the lateral blowing cooling of cooling zone by constant temperature and humidity, be frozen into strand, again by twice oil (one oil nozzle oils, and another road is that oil tanker oils), drafting forming, add master network, be wound into the FDY spinning cake, after look check classification is taken a sample and knit socks, declared to finished silk, the packing warehouse-in.Concrete technological process is: and PTA+EG → PET melt (half delustring is that the content of titanium dioxide is 0.28%) → solution filter → booster pump → cooler → spinning manifold → measuring pump → filament spinning component → lateral blowing cooling (being furnished with the radome fairing cooling) → oil nozzle oils → spinning shaft → oil tanker oils → and pre-network → first hot-rolling → second hot-rolling → master network → yarn break detector → coiling and molding → check classification → packing puts in storage.
Concrete parameter sees Table 3:
Table 3: the concrete process parameter table of present embodiment spinning
Produce the polyester FDY filament that specification is 110.5dtex/192f, production run is normal, and appearance index and spinning cake moulding are good, high-class product rate 92%.
Table 4: present embodiment 110.5dtex/192F product physical index table
| Line density | dtex | 110.5 |
| The line density deviation | ％ | 0.65 |
| The line density coefficient of variation | ％ | 0.51 |
| Fracture strength | cN/dtex | 3.8 |
| The fracture strength coefficient of variation | ％ | 3.12 |
| Extension at break | ％ | 27.8 |
| The extension at break coefficient of variation | ％ | 6.94 |
| Oil-containing | ％ | 1.0 |
| Boiling water shrinkage | ％ | 7.5 |
| The network degree | Individual/rice | 20 |
| Dyeing | Level | ≥4 |
Embodiment 3 production specifications are the FDY silk (filament number dpf is 0.385) of 55.5dtex/144F
This product adopts the fused mass directly spinning one-step method to produce route, the polyester fondant that the PTA+EG polymerization obtains (PET) process fondant filter is after gear booster pump supercharging conveying, cool off by cooler, be redistributed to each and spin the position, each spins the position and by measuring pump melt quantitative is delivered to each filament spinning component, after melt process filter course in filament spinning component filters and evenly pressurizes, (spinnerets is in filament spinning component through pore shape spinneret orifice, the pore diameter of plate is 0.15mm, L/D=2.7, and plate surface diameter is 90mm.) be thread ejection, in the as-spun fibre cooling zone radome fairing has been installed, the melt thread is after the lateral blowing cooling of cooling zone by constant temperature and humidity, be frozen into strand, again by twice oil (one oil nozzle oils, and another road is that oil tanker oils), drafting forming, add master network, be wound into the FDY spinning cake, after look check classification is taken a sample and knit socks, declared to finished silk, the packing warehouse-in.Concrete technological process is: and PTA+EG → PET melt (half delustring is that the content of titanium dioxide is 0.26%) → solution filter → booster pump → cooler → spinning manifold → measuring pump → filament spinning component → lateral blowing cooling (being furnished with the radome fairing cooling) → oil nozzle oils → spinning shaft → oil tanker oils → and pre-network → first hot-rolling → second hot-rolling → master network → yarn break detector → coiling and molding → check classification → packing puts in storage.
Concrete parameter sees Table 5:
Table 5: the concrete process parameter table of present embodiment spinning
Produce the polyester FDY filament that specification is 55.5dtex/144F, production run is normal, and appearance index and spinning cake moulding are good, high-class product rate 92%.
Table 6: present embodiment 55.5dtex/144F product physical index table
| Line density | dtex | 55.5 |
| The line density deviation | ％ | 0.85 |
| The line density coefficient of variation | ％ | 0.32 |
| Fracture strength | cN/dtex | 4.5 |
| The fracture strength coefficient of variation | ％ | 2.36 |
| Extension at break | ％ | 28.6 |
| The extension at break coefficient of variation | ％ | 7.31 |
| Oil-containing | ％ | 1.1 |
| Boiling water shrinkage | ％ | 8.0 |
| The network degree | Individual/rice | 30 |
| Dyeing | Level | ≥4 |
Claims (3)
1. melt direct spinning superfine denier terylene FDY filament, it is characterized in that this superfine denier terylene FDY filament adopts following method to prepare: produce route according to the fused mass directly spinning one-step method, use the pore diameter to be 0.15-0.2mm, L/D=2.6-3.6, plate surface diameter is the spinnerets of 70-90mm, oil system is directly produced ultra-fine FDY silk on fiber cooling zone installation radome fairing and the employing twice, and gained filament number dpf is 0.3-0.6, and a synnema hole count is 144F-192F.
2. melt direct spinning superfine denier terylene FDY filament according to claim 1, it is characterized in that this superfine denier terylene FDY filament adopts following method to prepare: produce route according to the fused mass directly spinning one-step method, use the pore diameter to be 0.16mm, L/D=3.4, plate surface diameter is the spinnerets of 70mm, oil system is directly produced ultra-fine FDY silk on fiber cooling zone installation radome fairing and the employing twice, and gained filament number dpf is that 0.436, one synnema hole count is 156F.
3. the preparation method of the described melt direct spinning superfine denier terylene FDY filament of claim 1 is characterized in that this method may further comprise the steps:
Produce route according to the fused mass directly spinning one-step method, polyester fondant is passed through fondant filter after the supercharging of gear booster pump is carried, cool off by cooler, be redistributed to each and spin the position, each spins the position and by measuring pump melt quantitative is delivered to each filament spinning component, after melt process filter course in filament spinning component filters and evenly pressurizes, be the thread ejection through pore shape spinneret orifice, radome fairing is installed in the as-spun fibre cooling zone, the melt thread by after the lateral blowing cooling, is frozen into strand through the cooling zone, oils by oil nozzle and after oil tanker oils again, drafting forming, add network, be wound into the FDY spinning cake.
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| CN103835014A (en) * | 2014-03-24 | 2014-06-04 | 江苏恒科新材料有限公司 | Production process of melt direct-spinning semidull terylene FDY |
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| CN105155004A (en) * | 2015-08-04 | 2015-12-16 | 桐昆集团股份有限公司 | Production method for terylene super-soft imitated silk fiber |
| CN105926060B (en) * | 2016-06-12 | 2017-04-12 | 福建百宏聚纤科技实业有限公司 | Melt direct spinning superfine denier polyester filament and making method thereof |
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| CN101634051A (en) | 2010-01-27 |
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