CN102628192B - Production method for porous fine denier polyester filament - Google Patents
Production method for porous fine denier polyester filament Download PDFInfo
- Publication number
- CN102628192B CN102628192B CN201210097902.2A CN201210097902A CN102628192B CN 102628192 B CN102628192 B CN 102628192B CN 201210097902 A CN201210097902 A CN 201210097902A CN 102628192 B CN102628192 B CN 102628192B
- Authority
- CN
- China
- Prior art keywords
- cooling
- polyester filament
- fine denier
- porous fine
- denier polyester
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Abstract
The invention belongs to the field of manufacturing of chemical fibers. In order to solve the problems of the prior art of uneven cooling of inner and outer layers of strands, big evenness value and uneven dyeing after elasticizing, caused by difficulty in thoroughly blowing the cooling air during a spinning process because of long total fineness, high quantity of pores and thick strands of a porous fine denier polyester filament, the invention provides a production method for the porous fine denier polyester filament. The production method comprises the following steps: adopting melt straight spinning or melt spinning; spraying through a spinneret plate; after cooling in the cooling manner of external circular blowing, applying oil to strands and coiling; and spinning into a pre-oriented yarn; performing false twisting, thereby obtaining the porous fine denier polyester filament. The spinneret plate is evenly divided into three parts and the three parts are at equal intervals. By adopting the production method provided by the invention, the cooling of strands is boosted, cooling air can deeply enter into the inner layer, and the purpose of evenly cooling the inner and outer layers of strands is achieved.
Description
Technical field
The invention belongs to chemical fibre and manufacture field, be specifically related to a kind of production method of porous fine denier polyester filament.
Background technology
Production fiber number in the market large (more than 250D), the porous fine denier polyester filament of hole count many (more than 250 holes), the mode of production adopting plying, this is because be difficult to the problem solving Homogeneous cooling more in spinning process.Such as produce 300D/288f porous fine denier low elastic polyester filament, the normal production line adopted is: first produce 150D/144f pre-oriented yarn, then in texturing process by two pre-oriented yarn compounds, obtained final finished; Namely two 150D/144f pre-oriented yarns are carried out compound, obtain 300D/288f pre-oriented yarn by Ye You producer compound in spinning process before winding, then carry out adding bullet again.The common shortcoming of these two kinds of methods is that production procedure is wordy, and production efficiency is low, and therefore the production cost of final products is higher.
Large at spinning total fiber number, in the porous fine denier polyester filament process that hole count is many, maximum obstacle is that its total fiber number is large, and hole count is many, and tow is close, cause in spinning process, cooling air is more difficult to be blown through, and cause ectonexine tow cooling uneven, bar dry values is large, add and play poststaining inequality, cannot instructions for use be met.
Publication number is that the Chinese patent of CN1844504 discloses a kind of veneer production porous polyethylene terephthalate fine denier filament, this invention adopts increases arc wind board in the outside of cross air blowing device, part lateral blowing is made to be rebounded to cool outer tow by arc wind board, but in fact, bounce-back wind is on the one hand because it is after tow, temperature is higher, makes the cooling effect of outer tow not good; On the other hand, wind is after bounce-back, and the turbulent flow factor of air flowing increases, and easily causes waving and shaking of monofilament, makes nascent strand dry uneven.
Prior art is compared, and the present invention has the following advantages:
(1) adopt the present invention can go deep into internal layer with the cooling and cooling air being conducive to tow, reach the uniform object of ectonexine tow cooling, improve the physical property of porous fine denier polyester filament.
(2) adopt technology path of the present invention to produce porous fine denier polyester filament, saved the cost of a spinning cost or aft-loaded airfoil, production efficiency is higher, produces reply and also has more flexibility.
Summary of the invention
For solving porous fine denier polyester filament in prior art because total fiber number is large, hole count is many, tow is close, cause in spinning process, cooling air is more difficult to be blown through, cause ectonexine tow cooling uneven, bar dry values is large, adds the problem playing poststaining inequality, the object of this invention is to provide a kind of production method of porous fine denier polyester filament, adopt the present invention to be conducive to the cooling of tow and cooling air can go deep into internal layer, reach the uniform object of ectonexine tow cooling.
For realizing object of the present invention, inventor provides following technical scheme: a kind of production method of porous fine denier polyester filament, adopt fused mass directly spinning or melt spinning, through spinnerets ejection, after the type of cooling cooling adopting outer shroud to blow, boundling oils, reel, be spun into pre-oriented yarn, then through false twisting processing, obtained porous fine denier polyester filament, described spinnerets is divided into three parts in equal size, is provided with equal spacing between every portion.
The filament number of described porous fine denier polyester filament is 0.4dpf ~ 1.0dpf, and total fiber number is 180 ~ 360D.
As preferably, the spinneret orifice number of spinnerets is 200 ~ 420.
The key issue that the polyester filament that veneer produces total fiber number to be 180D ~ 360D and monofilament radical be 200 ~ 420 will solve is the even problem of inhomogeneous cooling, because its total fiber number is high, monofilament radical is many, tow distribution is close, make the cooling effect of tow ectonexine different and affect the physical property of porous fine denier polyester filament, for this reason, this invention takes the measure of following several respects:
1. the type of cooling of outer-ring ventilation is adopted: because lateral blowing is difficult to be penetrated into the internal layer of tow within limited time and distance, thus cause the uneven of ectonexine tow cooling, affect the quality of tow.And the cooling air of outer-ring ventilation is by blowing to center outward, tow cooling can be made even, not by wild wind effect, spinnerets insulation is good, and plate surface temperature is homogeneous, and heat transfer effect improves, cold wind is fully utilized, and can obtain the pre-oriented yarn that the good total fiber number of physical property is high.
2. special large plate footpath spinnerets is devised, as preferably, the feature of this spinnerets is diameter is 100 ~ 120mm, and spinneret orifice is carried out the arrangement design of three equal parts, namely spinnerets is divided into three parts in equal size, be provided with equal spacing between every portion, the spacing between spinnerets every part is 4 ~ 10mm, and the spinneret orifice number contained in every part is equal.Large plate footpath spinnerets is adopted to be in order to the number of spinneret orifice and the arrangement mode of spinneret orifice better can be designed, spinneret orifice is carried out the design of three equal parts and there is between every part the spacing of 4 ~ 10mm, this design is conducive to the cooling of tow and cooling air can go deep into internal layer, reaches the uniform object of ectonexine tow cooling.
The present invention, by redesigning spinning spinneret, the type of cooling, solves fiber number large, the cooling problem of the porous fine denier polyester filament that hole count is many, thus can directly spin 300D/288f pre-oriented yarn, then carry out adding bullet, obtained finished product.Do not need compound in spinning or texturing process, therefore improve production efficiency significantly, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of spinnerets;
Wherein, 1: spinnerets, 2: spinneret orifice, 3: spacing.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, further illustrate content of the present invention.Should be appreciated that enforcement of the present invention does not limit to the following examples, any pro forma accommodation make the present invention and/or change all fall into scope.
Embodiment 1
As shown in Figure 1, the diameter of spinnerets 1 is 120mm, and the spinneret orifice 2 of spinnerets 1 is 420, and spinneret orifice is divided into three equal parts in equal size, and every part of spacing 3 is 8mm.Adopt fused mass directly spinning, spray through spinneret orifice 2, after outer-ring ventilation cooling, boundling oils, reel, spinning specification is the POY of 320dtex/420f, then through false twisting processing, obtained 180D/420f porous fine denier polyester filament, filament number is 0.42dpf.
After testing, the fracture strength of this fiber is 3.60CN/dtex, and elongation at break is 21.6%.
Embodiment 2
As shown in Figure 1, the diameter of spinnerets 1 is 105mm, and the spinneret orifice 2 of spinnerets 1 is 420, and spinneret orifice is divided into three equal parts in equal size, and every part of spacing 3 is 4mm.Adopt fused mass directly spinning, spray through spinneret orifice 2, after outer-ring ventilation cooling, boundling oils, reel, spinning specification is the POY of 320dtex/420f, then through false twisting processing, obtained 180D/420f porous fine denier polyester filament, filament number is 0.42dpf.
After testing, the fracture strength of this fiber is 3.51CN/dtex, and elongation at break is 20.5%.
Embodiment 3
As shown in Figure 1, the diameter of spinnerets 1 is 115mm, and the spinneret orifice 2 of spinnerets 1 is 252, and spinneret orifice is divided into three equal parts in equal size, and every part of spacing 3 is 10mm.Adopt melt spinning, spray through spinneret orifice 2, after outer-ring ventilation cooling, boundling oils, reel, spinning specification is the POY of 450dtex/252f, then through false twisting processing, obtained 250D/250f porous fine denier polyester filament, filament number is 1.0dpf.
After testing, the fracture strength of this fiber is 3.46CN/dtex, and elongation at break is 22.3%.
Embodiment 4
As shown in Figure 1, the diameter of spinnerets 1 is 115mm, and the spinneret orifice 2 of spinnerets 1 is 360, and spinneret orifice is divided into three equal parts in equal size, and every part of spacing 3 is 6mm.Adopt melt spinning, spray through spinneret orifice 2, after outer-ring ventilation cooling, boundling oils, reel, spinning specification is the POY of 517dtex/360f, then through false twisting processing, obtained 300D/360f porous fine denier polyester filament, filament number is 0.83dpf.
After testing, the fracture strength of this fiber is 3.40CN/dtex, and elongation at break is 19.8%.
Claims (1)
1. a production method for porous fine denier polyester filament, is characterized in that: adopt fused mass directly spinning or melt spinning, spray through spinnerets, after the type of cooling cooling adopting outer shroud to blow, boundling oils, reel, and is spun into pre-oriented yarn, then processes through false twisting, obtained porous fine denier polyester filament, described spinnerets is divided into three parts in equal size, is provided with equal spacing between every portion, and the filament number of described porous fine denier polyester filament is 0.83dpf ~ 1.0dpf, total fiber number is 250 ~ 360D
The diameter of described spinnerets is 100mm ~ 120mm, and the spacing between spinnerets every part is 4 ~ 10mm, and the spinneret orifice number contained in every part is equal, and the spinneret orifice number of spinnerets is 360 ~ 420.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210097902.2A CN102628192B (en) | 2012-04-06 | 2012-04-06 | Production method for porous fine denier polyester filament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210097902.2A CN102628192B (en) | 2012-04-06 | 2012-04-06 | Production method for porous fine denier polyester filament |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102628192A CN102628192A (en) | 2012-08-08 |
| CN102628192B true CN102628192B (en) | 2015-02-25 |
Family
ID=46586575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210097902.2A Active CN102628192B (en) | 2012-04-06 | 2012-04-06 | Production method for porous fine denier polyester filament |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102628192B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776581A (en) * | 2012-08-13 | 2012-11-14 | 苏州市吴中喷丝板有限公司 | Multi-hole and fine-denier spinneret plate |
| CN109208096A (en) * | 2017-06-30 | 2019-01-15 | 江苏天地化纤有限公司 | A kind of spinneret |
| CN116732622B (en) * | 2023-06-19 | 2024-05-10 | 桐昆集团浙江恒通化纤有限公司 | Triangular fiber and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3331543A1 (en) * | 1982-09-23 | 1984-03-29 | Fiber Industries, Inc., Charlotte, N.C. | METHOD FOR MELT SPINNING POLYMER FILAMENTS |
| US5266255A (en) * | 1992-07-31 | 1993-11-30 | Hoechst Celanese Corporation | Process for high stress spinning of polyester industrial yarn |
| CN1155303A (en) * | 1994-08-12 | 1997-07-23 | 陶氏化学公司 | Process of making polybenzazole staple and fibers |
| EP1512777A1 (en) * | 2003-08-23 | 2005-03-09 | Reifenhäuser GmbH & Co. Maschinenfabrik | Apparatus for the production of multicomponent fibres, especially bicomponent fibres |
| CN101139736A (en) * | 2007-10-18 | 2008-03-12 | 江苏盛虹化纤有限公司 | Fine denier polyester single-board direct spinning technology |
| CN101487144A (en) * | 2009-02-04 | 2009-07-22 | 江苏申久化纤有限公司 | Spinning equipment for producing porous fine denier polyester POY |
| CN101634051A (en) * | 2009-06-08 | 2010-01-27 | 江苏华亚化纤有限公司 | Melt direct spinning superfine denier terylene FDY filament and preparation process thereof |
| CN101724923A (en) * | 2009-11-16 | 2010-06-09 | 江苏盛虹化纤有限公司 | Full-drawn yarn of super fine polyester and manufacturing process thereof |
-
2012
- 2012-04-06 CN CN201210097902.2A patent/CN102628192B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3331543A1 (en) * | 1982-09-23 | 1984-03-29 | Fiber Industries, Inc., Charlotte, N.C. | METHOD FOR MELT SPINNING POLYMER FILAMENTS |
| US5266255A (en) * | 1992-07-31 | 1993-11-30 | Hoechst Celanese Corporation | Process for high stress spinning of polyester industrial yarn |
| CN1155303A (en) * | 1994-08-12 | 1997-07-23 | 陶氏化学公司 | Process of making polybenzazole staple and fibers |
| EP1512777A1 (en) * | 2003-08-23 | 2005-03-09 | Reifenhäuser GmbH & Co. Maschinenfabrik | Apparatus for the production of multicomponent fibres, especially bicomponent fibres |
| CN101139736A (en) * | 2007-10-18 | 2008-03-12 | 江苏盛虹化纤有限公司 | Fine denier polyester single-board direct spinning technology |
| CN101487144A (en) * | 2009-02-04 | 2009-07-22 | 江苏申久化纤有限公司 | Spinning equipment for producing porous fine denier polyester POY |
| CN101634051A (en) * | 2009-06-08 | 2010-01-27 | 江苏华亚化纤有限公司 | Melt direct spinning superfine denier terylene FDY filament and preparation process thereof |
| CN101724923A (en) * | 2009-11-16 | 2010-06-09 | 江苏盛虹化纤有限公司 | Full-drawn yarn of super fine polyester and manufacturing process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102628192A (en) | 2012-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103437018B (en) | A kind of production technology of super emulation silk type brocade ammonia air-coating silk | |
| CN102851757A (en) | Special-shaped spinneret plate for spinning heavy denier yarns | |
| CN101139735A (en) | Preparation method of superfine denier polyester filament yarn | |
| CN102828314A (en) | Polyester cationic polychrome intermingled textured yarn and production method thereof | |
| CN102628192B (en) | Production method for porous fine denier polyester filament | |
| CN103436972A (en) | Method for preparing multi-component composite fibers | |
| CN101660212A (en) | Preparation method of heart-shaped composite fiber and filament spraying plate used by same | |
| CN101845688A (en) | Bi-component sheath-core composite drafting fiber and preparation method thereof | |
| CN201648598U (en) | Spinning plate | |
| CN104480556A (en) | Production process of high-speed spinning type potential crinkled polyester filament yarns | |
| CN102586905A (en) | Hot-stretched Corterra pre-oriented filament yarn spinning and winding manufacturing process | |
| CN104480555A (en) | Production process of high-elasticity-feature terylene pre-oriented fibers | |
| CN104797748A (en) | Composite spinneret, conjugated fiber, and process for manufacturing conjugated fiber | |
| CN202139340U (en) | Special-shaped spinneret plate for spinning heavy denier filament | |
| CN103276461B (en) | A kind of manufacture method of polyamide fibre C shaped cross height covering property air-coating silk | |
| CN103866405A (en) | High-orifice-density profiled filaments and preparation method thereof | |
| CN104233486A (en) | Production process of porous fine denier nylon 6 pre-orientation fibers | |
| CN102443859A (en) | Production method of fine-denier porous POY black yarn | |
| CN107164812B (en) | Special-shaped chinlon 6 fiber and preparation method thereof | |
| CN104451919B (en) | A kind of production technology of the orderly terylene slub silk of isotactic | |
| CN111101238B (en) | Parallel self-crimping elastic fiber and preparation method thereof | |
| CN204138836U (en) | A kind of containing the round spinnerets with yi word pattern micropore | |
| CN203174260U (en) | Production device for chinlon fine draw textured yarn | |
| CN201128786Y (en) | Spinneret plate | |
| CN201485543U (en) | Spinneret |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |