CN104831381A - Production method of glazed extra-black trefoil polyester FDY (Fully Drawn Yarn) - Google Patents
Production method of glazed extra-black trefoil polyester FDY (Fully Drawn Yarn) Download PDFInfo
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- CN104831381A CN104831381A CN201510206644.0A CN201510206644A CN104831381A CN 104831381 A CN104831381 A CN 104831381A CN 201510206644 A CN201510206644 A CN 201510206644A CN 104831381 A CN104831381 A CN 104831381A
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Abstract
The invention relates to a production method of a glazed extra-black trefoil polyester FDY (Fully Drawn Yarn). The production method comprises the following steps: (a) weighing 92% to 94% of glazed PET chips (polyester chips) for pre-crystallization and drying in weight, and weighing 6% to 8% of black master batch for drying in weight; (b) manufacturing the dried glazed PET chips and the dried black master batch after being mixed into PET melts through a screw extruder; (c) filtering and pressing the PET melts and then distributing the filtered and pressed PET melts to each spinning assembly through a metering pump to generate nascent fibers, and adopting trefoil profiled spinneret plates; (d) winding and forming the nascent fibers after side air blowing cooling, lubricating nipple oiling, stretching shaping and gridding adding. On one hand, the glazed PET chips and the black master batch are mixed to manufacture the PET melts, so that the PET melts can be used for preparing the glazed extra-black trefoil polyester FDY; on the other hand, the spinning assemblies adopt the trefoil profiled spinneret plates, the included angle between the blades of the spinneret plates is 120 degrees, the blade length-width ratio is 5 to 10: 1, and thus the trefoil profiled FDY is formed.
Description
Technical field
The invention belongs to polymeric material field, relate to a kind of polyester FDY long filament, be specifically related to a kind of production method having the goth black three leaf polyester FDY long filaments of light.
Background technology
Dacron and people live closely bound up, are closely connected, for drapery, bedding, adornment, case and bag articles for use, tent etc.Polyester FDY (full name Fully Drawn Yarn, fullly drawn yarn (FDY)) introduces stretching action in spinning process, can obtain the undrawn yarn with high-orientation and crystalline medium degree.The smooth softness of polyester FDY fabric feel, is often used in and weaves silk-like fabric.Existing white polyester FDY filament can not meet daily life demand to a certain extent, therefore needs to make improvements.Goth black FDY filament is a kind of special modified fiber, and this kind adds black agglomerate on the basis of the white silk of former FDY, forms, can save dyeing link through certain processes.Meanwhile, the productive rate in chemical fibre market sharply rises, and causes the dacron product situation that supply exceed demand to become increasingly conspicuous, and adds national more and more higher to the requirement of environmental protection, is necessary to develop goth black FDY filament that is differential, functionalization.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of production method having the goth black three leaf polyester FDY long filaments of light.
For achieving the above object, the technical solution used in the present invention is: a kind of production method having the goth black three leaf polyester FDY long filaments of light, and it comprises the following steps:
(a) by weight, take 92% ~ 94% have light PET cut into slices pre-crystallized, dry; By weight, 6% ~ 8% black agglomerate is taken dry;
B () has light PET to cut into slices by dried and make PET melt through screw extruder after the mixing of dried black agglomerate;
C () produces as-spun fibre by being assigned to each spinning pack through measuring pump after described PET melt filter-press, the pressure of described spinning pack is 18 ~ 20MPa, it adopts three leaf profile spinnerets, and the angle between described spinnerets blade is 120 °, and described spinnerets blade length-width ratio is 5 ~ 10:1;
(d) by described as-spun fibre through lateral blowing cooling, oil nozzle oils, set-stretching, add coiling and molding after grid.
Optimally, in step (a), described in have light PET pre-crystallized temperature of cutting into slices to be 165 ~ 170 DEG C, baking temperature is 170 ~ 175 DEG C, and dry air pressure is 0.18 ~ 0.22MPa, and dry air dew point controls below-80 DEG C; The baking temperature of described black agglomerate is 130 ~ 150 DEG C.
Optimally, in step (b), screw rod each district temperature of described screw extruder is: 250 ~ 255 DEG C, a district, 260 ~ 265 DEG C, 2nd district, 265 ~ 270 DEG C, 3rd district, 275 ~ 280 DEG C, 4th district, 280 ~ 283 DEG C, 5th district, 285 ~ 288 DEG C, 6th district, and the temperature of described PET melt is 285 ~ 288 DEG C.
Optimally, in described step (d), lateral blowing temperature is 20 ~ 25 DEG C, and its flow direction parallels with one of them blade of described spinnerets, and air conditioning exhausting blast 400 ~ 600Pa, the blast entering ring blow head is 25 ~ 30Pa, and humidity is 70 ~ 80%.
Optimally, in described step (d), the first hot-rolling speed is 1500 ~ 2000m/min, and temperature is 80 ~ 90 DEG C; Second hot-rolling speed is 4000 ~ 4500m/min, and temperature is 120 ~ 130 DEG C; Winding speed is 4000 ~ 4500m/min, and Winding Tension Controlling is 10 ~ 15 li of oxen.
Because technique scheme is used, the present invention compared with prior art has following advantages: the present invention has the production method of the goth black three leaf polyester FDY long filaments of light, light PET being had on the one hand to cut into slices and make PET melt after black agglomerate mixing, making it possible to for the preparation of there being the goth black polyester FDY long filament of light; Spinning pack adopts three leaf profile spinnerets on the other hand, and the angle between this spinnerets blade is 120 °, and blade length-width ratio is 5 ~ 10:1, thus forms three leaf abnormity FDY filament.
Detailed description of the invention
To be described in detail to the preferred embodiment of the invention below:
Embodiment 1
The present embodiment provides a kind of production method having the goth black three leaf polyester FDY long filaments of light, and it comprises the following steps:
(a) by weight, take 92% have light PET cut into slices (inherent viscosity 0.648dl/g, fusing point 260 DEG C, Yizheng Chemical Fiber Co., Ltd., SINOPEC) 165 DEG C pre-crystallized, 170 DEG C of dryings (dry air pressure is 0.18MPa, and dew point is-80 DEG C); By weight, take 8% black agglomerate (composition of raw materials of black agglomerate comprise 0.3 part of odium stearate, 5 parts of ultra-fine carbon blacks, 1 part of antioxidant 1010,10 parts of PE wax, 0.01 part of dihydroxy benaophenonel, 20 parts have light PET to cut into slices) 130 DEG C of dryings;
B () has light PET to cut into slices by dried and make PET melt through screw extruder after the mixing of dried black agglomerate, screw rod each district temperature of screw extruder is: 250 DEG C, a district, 260 DEG C, 2nd district, 265 DEG C, 3rd district, 275 DEG C, 4th district, 280 DEG C, 5th district, 285 DEG C, 6th district, makes the PET melt of 285 DEG C;
C () produces as-spun fibre by being assigned to each spinning pack through measuring pump after described PET melt filter-press, the pressure of spinning pack is 18MPa, and it adopts three leaf profile spinnerets, and the angle between spinnerets blade is 120 °, and its blade length-width ratio is 5:1;
D () through lateral blowing cooling, (lateral blowing temperature is 20 DEG C by described as-spun fibre, its flow direction parallels with one of them blade of spinnerets, air conditioning exhausting blast 400Pa, the blast entering ring blow head is 25Pa, humidity is 70%), oil nozzle oils, set-stretching (adopts two hot-rollings to stretch, first hot-rolling speed is 1500m/min, and temperature is 80 DEG C; Second hot-rolling speed is 4000m/min, and temperature is 120 DEG C), coiling and molding (winding speed of take up roll is 4000m/min, and Winding Tension Controlling is 10cN) after adding grid.
Embodiment 2
The present embodiment provides a kind of production method having the goth black three leaf polyester FDY long filaments of light, and it comprises the following steps:
(a) by weight, take 94% have light PET cut into slices (inherent viscosity 0.648dl/g, fusing point 260 DEG C, Yizheng Chemical Fiber Co., Ltd., SINOPEC) 170 DEG C pre-crystallized, 175 DEG C of dryings (dry air pressure is 0.22MPa, and dew point is-85 DEG C); By weight, take 6% black agglomerate (composition of raw materials of black agglomerate comprise 0.3 part of odium stearate, 5 parts of ultra-fine carbon blacks, 1 part of antioxidant 1010,10 parts of PE wax, 0.01 part of dihydroxy benaophenonel, 20 parts have light PET to cut into slices) 150 DEG C of dryings;
B () has light PET to cut into slices by dried and make PET melt through screw extruder after the mixing of dried black agglomerate, screw rod each district temperature of screw extruder is: 255 DEG C, a district, 265 DEG C, 2nd district, 270 DEG C, 3rd district, 280 DEG C, 4th district, 283 DEG C, 5th district, 288 DEG C, 6th district, makes the PET melt of 288 DEG C;
C () produces as-spun fibre by being assigned to each spinning pack through measuring pump after described PET melt filter-press, the pressure of spinning pack is 20MPa, and it adopts three leaf profile spinnerets, and the angle between spinnerets blade is 120 °, and its blade length-width ratio is 10:1;
D () through lateral blowing cooling, (lateral blowing temperature is 25 DEG C by described as-spun fibre, its flow direction parallels with one of them blade of spinnerets, air conditioning exhausting blast 600Pa, the blast entering ring blow head is 30Pa, humidity is 80%), oil nozzle oils, set-stretching (adopts two hot-rollings to stretch, first hot-rolling speed is 2500m/min, and temperature is 90 DEG C; Second hot-rolling speed is 4500m/min, and temperature is 130 DEG C), coiling and molding (winding speed of take up roll is 4500m/min, and Winding Tension Controlling is 15cN) after adding grid.
Embodiment 3
The present embodiment provides a kind of production method having the goth black three leaf polyester FDY long filaments of light, and it comprises the following steps:
(a) by weight, take 93% have light PET cut into slices (inherent viscosity 0.648dl/g, fusing point 260 DEG C, Yizheng Chemical Fiber Co., Ltd., SINOPEC) 168 DEG C pre-crystallized, 172 DEG C of dryings (dry air pressure is 0.20MPa, and dew point is-82 DEG C); By weight, take 6% black agglomerate (composition of raw materials of black agglomerate comprise 0.3 part of odium stearate, 5 parts of ultra-fine carbon blacks, 1 part of antioxidant 1010,10 parts of PE wax, 0.01 part of dihydroxy benaophenonel, 20 parts have light PET to cut into slices) 135 DEG C of dryings;
B () has light PET to cut into slices by dried and make PET melt through screw extruder after the mixing of dried black agglomerate, screw rod each district temperature of screw extruder is: 252 DEG C, a district, 262 DEG C, 2nd district, 268 DEG C, 3rd district, 278 DEG C, 4th district, 280 DEG C, 5th district, 285 DEG C, 6th district, makes the PET melt of 285 DEG C;
C () produces as-spun fibre by being assigned to each spinning pack through measuring pump after described PET melt filter-press, the pressure of spinning pack is 19MPa, and it adopts three leaf profile spinnerets, and the angle between spinnerets blade is 120 °, and its blade length-width ratio is 8:1;
D () through lateral blowing cooling, (lateral blowing temperature is 23 DEG C by described as-spun fibre, its flow direction parallels with one of them blade of spinnerets, air conditioning exhausting blast 450Pa, the blast entering ring blow head is 29Pa, humidity is 75%), oil nozzle oils, set-stretching (adopts two hot-rollings to stretch, first hot-rolling speed is 2200m/min, and temperature is 85 DEG C; Second hot-rolling speed is 4200m/min, and temperature is 125 DEG C), coiling and molding (winding speed of take up roll is 4200m/min, and Winding Tension Controlling is 12cN) after adding grid.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and implement according to this; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (5)
1. have a production method for the goth black three leaf polyester FDY long filaments of light, it is characterized in that, it comprises the following steps:
(a) by weight, take 92% ~ 94% have light PET cut into slices pre-crystallized, dry; By weight, 6% ~ 8% black agglomerate is taken dry;
B () has light PET to cut into slices by dried and make PET melt through screw extruder after the mixing of dried black agglomerate;
C () produces as-spun fibre by being assigned to each spinning pack through measuring pump after described PET melt filter-press, the pressure of described spinning pack is 18 ~ 20MPa, it adopts three leaf profile spinnerets, and the angle between described spinnerets blade is 120 °, and described spinnerets blade length-width ratio is 5 ~ 10:1;
(d) by described as-spun fibre through lateral blowing cooling, oil nozzle oils, set-stretching, add coiling and molding after grid.
2. there is the production method of the goth black three leaf polyester FDY long filaments of light according to claim 1, it is characterized in that: in step (a), described have light PET pre-crystallized temperature of cutting into slices to be 165 ~ 170 DEG C, baking temperature is 170 ~ 175 DEG C, dry air pressure is 0.18 ~ 0.22MPa, and dry air dew point controls below-80 DEG C; The baking temperature of described black agglomerate is 130 ~ 150 DEG C.
3. there is the production method of the goth black three leaf polyester FDY long filaments of light according to claim 1, it is characterized in that: in step (b), screw rod each district temperature of described screw extruder is: 250 ~ 255 DEG C, a district, 260 ~ 265 DEG C, 2nd district, 265 ~ 270 DEG C, 3rd district, 275 ~ 280 DEG C, 4th district, 280 ~ 283 DEG C, 5th district, 285 ~ 288 DEG C, 6th district, and the temperature of described PET melt is 285 ~ 288 DEG C.
4. there is the production method of the goth black three leaf polyester FDY long filaments of light according to claim 1, it is characterized in that: in described step (d), lateral blowing temperature is 20 ~ 25 DEG C, its flow direction parallels with one of them blade of described spinnerets, air conditioning exhausting blast 400 ~ 600Pa, the blast entering ring blow head is 25 ~ 30Pa, and humidity is 70 ~ 80%.
5. have the production method of the goth black three leaf polyester FDY long filaments of light according to claim 1, it is characterized in that: in described step (d), the first hot-rolling speed is 1500 ~ 2000m/min, and temperature is 80 ~ 90 DEG C; Second hot-rolling speed is 4000 ~ 4500m/min, and temperature is 120 ~ 130 DEG C; Winding speed is 4000 ~ 4500m/min, and Winding Tension Controlling is 10 ~ 15 li of oxen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510206644.0A CN104831381A (en) | 2015-04-28 | 2015-04-28 | Production method of glazed extra-black trefoil polyester FDY (Fully Drawn Yarn) |
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| CN201510206644.0A CN104831381A (en) | 2015-04-28 | 2015-04-28 | Production method of glazed extra-black trefoil polyester FDY (Fully Drawn Yarn) |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107338500A (en) * | 2016-09-28 | 2017-11-10 | 桐乡守敬应用技术研究院有限公司 | A kind of production method of fine denier lustrous flame-resistant terylene FDY filament |
| CN108707985A (en) * | 2018-08-09 | 2018-10-26 | 福建经纬新纤科技实业有限公司 | A kind of polyester filament and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107338500A (en) * | 2016-09-28 | 2017-11-10 | 桐乡守敬应用技术研究院有限公司 | A kind of production method of fine denier lustrous flame-resistant terylene FDY filament |
| CN108707985A (en) * | 2018-08-09 | 2018-10-26 | 福建经纬新纤科技实业有限公司 | A kind of polyester filament and preparation method thereof |
| CN108707985B (en) * | 2018-08-09 | 2023-08-11 | 福建经纬新纤科技实业有限公司 | Polyester filament yarn and preparation method thereof |
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Application publication date: 20150812 |