CN102877155A - High-simulated-cotton porous superfine-denier polyester fiber and preparation method thereof and preparation equipment - Google Patents
High-simulated-cotton porous superfine-denier polyester fiber and preparation method thereof and preparation equipment Download PDFInfo
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- CN102877155A CN102877155A CN201210370170XA CN201210370170A CN102877155A CN 102877155 A CN102877155 A CN 102877155A CN 201210370170X A CN201210370170X A CN 201210370170XA CN 201210370170 A CN201210370170 A CN 201210370170A CN 102877155 A CN102877155 A CN 102877155A
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Abstract
The invention discloses a high-simulated-cotton porous superfine-denier polyester fiber and a preparation method thereof and preparation equipment. The polyester fiber is basically formed by polyester chips and online adding polyhydric alcohols to blend and modify. The POY (polyester pre-oriented yarn fineness of the polyester fiber is 44dtex/192f, breakage strength is larger than or equal to 2.15CN/dtex, and the breakage elongation rate is higher than or equal to 110%. The preparation method includes drying the polyester chips, melting and extruding, extruding melts, cooling and curing, applying oil on an oil nozzle, winding and forming. In the preparation equipment, a drying device, a cooling and curing device, an oil applying device and a winding and forming device are sequentially connected, and an extruding device and a spinning box are communicated via a melt pump. The high-simulated-cotton porous superfine-denier polyester fiber prepared has the advantages of soft flexibility, proneness to bending, high shape ratio and good dyeing performance and the like, is simple in production process, low in cost and capable of obtaining or exceeding basic features of simulated cotton and cotton and is excellent in effect of high simulated cotton.
Description
Technical field
The present invention relates to the polyester fiber field, particularly relate to a kind of high imitative cotton porous super fine denier polyester fiber and preparation method thereof and equipment.
Background technology
Along with growth in the living standard, the comfortableness that people take clothing requires also more and more higher, has caused domestic natural cotton fiber supply and demand nervous.In order to tackle the market demand and competition both at home and abroad, research and develop the emphasis that all kinds of various super emulation, functional and biomass fiber material become domestic and international chemical fibre industry new product development gradually, many enterprises continually develop out high-performance, functionalization terylene new varieties.
Superfine denier fiber causes widely concern with its good feel and texture, and people are very good to the prospect of superfine denier fiber.Therefore it also becomes the focus that each producer falls over each other to develop, yet, to produce at present superfine denier fiber and exist soft pliability and flexibility not ideal enough, shape matching is little, and dyeability is relatively poor, complex manufacturing, the problem that production cost is higher.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of have good soft pliability, flexibility, larger shape than with the characteristics such as dyeability is good, production technology is simpler, production cost is low, can reach preferably imitative cotton or surmount imitative cotton porous super fine denier polyester fiber of height and preparation method thereof and the equipment of cotton essential characteristic and good high imitative cotton effect.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of high imitative cotton porous super fine denier polyester fiber is provided, the polyester slice of this polyester fiber take weight percentage as 75-85% is base-material, online interpolation weight percentage is 15-25% polyalcohol blending and modifying, the POY fiber number of described polyester fiber is 44dtex/192f, fracture strength 〉=2.15 CN/dtex, elongation at break 〉=110%.
In a preferred embodiment of the present invention, described polyalcohol is a kind of in ethylene glycol, glycerine, sorbierite, pentaerythrite or the xylitol.
For solving the problems of the technologies described above, another technical solution used in the present invention is: a kind of preparation method of high imitative cotton porous super fine denier polyester fiber is provided, may further comprise the steps:
(1) chip drying: polyester slice is put into drying device carry out drying, dry 1.5-3 h;
(2) melt extruded: dried polyester slice is added in the pressurizing unit, add online polyalcohol, under 250-300 ℃ temperature conditions, carry out blending and modifying, obtain melt;
(3) melt extrusion: melt is pressed into filament spinning component, carries out the cross section fine, be extruded through the pore of spinnerets and form the melt thread;
(4) cooling curing: the melt thread is encircled quenching curing solidify out into strand, the process conditions of ring blowing are: pressure 530 Pa, 25 ± 2 ℃ of wind-warm syndrome, humidity 90 ± 5%, wind speed 0.38 ~ 0.50 m/s;
(5) oil nozzle oils and winding shaping: the oil nozzle boundling that oils becomes tow, after tow enters the first godet roller and oils, carry out pre-network through pre-network device, finish on the tow is dispelled, make finish be attached to more equably on the tow, carry out coiling and molding behind the network equipment network via the second godet roller again, namely make high imitative cotton porous super fine denier polyester fiber.
In a preferred embodiment of the present invention, the diameter of spinnerets is modulated to 80 ~ 100 mm in the described step (3).
In a preferred embodiment of the present invention, the speed that the middle tow of described step (5) enters the first godet roller is 3500 ~ 3800 m/min, the pressure of pre-network device is 0.65 ± 0.05 bar, the speed that tow enters the second godet roller is 3700 ~ 4000 m/min, network equipment pressure is 4.5 ± 0.05 bar, and the winding speed of coiling and molding is 3000 ~ 3600 m/min.
For solving the problems of the technologies described above, another technical scheme that the present invention adopts is: the Preparation equipment that a kind of high imitative cotton porous super fine denier polyester fiber is provided, comprise drying device, pressurizing unit, spinning manifold, melt extrusion device, cooling curing device, oiling device and coiling and forming device, described drying device, cooling curing device, oiling device and coiling and forming device are communicated with according to described order successively by pipeline, are connected by Melt Pump between described pressurizing unit and the spinning manifold.
In a preferred embodiment of the present invention, described spinning manifold comprises melt distributing pipe, measuring pump and filament spinning component.
In a preferred embodiment of the present invention, described cooling curing device is ring quenching solidification equipment, described coiling and forming device comprises first, second godet roller, pre-network device, network equipment and up-coiler, described pre-network device be arranged at the first godet roller and the second godet roller between, after described network equipment and up-coiler are successively set on the second godet roller according to described order.
The invention has the beneficial effects as follows:
1, the present invention adopts online adding polyalcohol blending and modifying, and the imitative cotton porous super fine denier polyester fiber of the height of preparing has good soft pliability, flexibility, larger shape than with the characteristics such as dyeability is good.
2, production technology of the present invention is simpler, and production cost is low, can reach to imitate preferably cotton or surmount cotton essential characteristic to imitate cotton effect with good height.
3, the present invention has the function fibre in differentiation of the characteristics such as high-performance, high-quality, high added value, dress be more comfortable, and can the replace imported like product, changes the always situation of dependence on import of functional fiber, has vast potential for future development.
Description of drawings
Fig. 1 is the structural representation of Preparation equipment one preferred embodiment of the high imitative cotton porous super fine denier polyester fiber of the present invention;
The mark of each parts is as follows in the accompanying drawing: 1, drying device, 2, pressurizing unit, 3, spinning manifold, 4, the melt extrusion device, 5, the cooling curing device, 6, oiling device, 7, coiling and forming device, 8, Melt Pump.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
See also Fig. 1, a kind of Preparation equipment of high imitative cotton porous super fine denier polyester fiber, comprise drying device 1, pressurizing unit 2, spinning manifold 3, melt extrusion device 4, cooling curing device 5, oiling device 6 and coiling and forming device 7, described drying device 1, cooling curing device 5, oiling device 6 and coiling and forming device 7 are communicated with according to described order successively by pipeline, are connected by Melt Pump 8 between described pressurizing unit 2 and the spinning manifold 3.
Described spinning manifold 3 comprises melt distributing pipe, measuring pump and filament spinning component.
Described cooling curing device 5 is ring quenching solidification equipment, described coiling and forming device 7 comprises first, second godet roller, pre-network device, network equipment and up-coiler, described pre-network device be arranged at the first godet roller and the second godet roller between, after described network equipment and up-coiler are successively set on the second godet roller according to described order.
In conjunction with above-mentioned equipment, the preparation method of high imitative cotton porous super fine denier polyester fiber may further comprise the steps:
(1) chip drying: polyester slice 75-85 part is put into drying device 1 carry out drying, dry 1.5-3 h;
(2) melt extruded: dried polyester slice is added in the pressurizing unit 2, add online glycerine polyalcohol 15-25 part, under 250-300 ℃ temperature conditions, carry out blending and modifying, obtain melt;
(3) melt extrusion: melt is pressed into filament spinning component 3, carries out the cross section fine, be extruded through the pore of spinnerets and form the melt thread, the diameter of spinnerets is modulated to 80 ~ 100 mm;
(4) cooling curing: the melt thread is encircled quenching curing solidify out into strand, the process conditions of ring blowing are: pressure 530 Pa, 25 ± 2 ℃ of wind-warm syndrome, humidity 90 ± 5%, wind speed 0.38 ~ 0.50 m/s;
(5) oil nozzle oils and winding shaping: the oil nozzle boundling that oils becomes tow, after tow enters the first godet roller and oils, carry out pre-network through pre-network device, finish on the tow is dispelled, make finish be attached to more equably on the tow, carry out coiling and molding behind the network equipment network via the second godet roller again, the speed that the middle tow of described step (5) enters the first godet roller is 3500 ~ 3800 m/min, the pressure of pre-network device is 0.65 ± 0.05 bar, the speed that tow enters the second godet roller is 3700 ~ 4000 m/min, network equipment pressure is 4.5 ± 0.05 bar, the winding speed of coiling and molding is 3000 ~ 3600 m/min, namely makes high imitative cotton porous super fine denier polyester fiber.
The POY fiber number of the polyester fiber that makes is 44dtex/192f, fracture strength 〉=2.15 CN/dtex, elongation at break 〉=110%, excellent rate 〉=99%.
The present invention adopts online adding polyalcohol blending and modifying, and the imitative cotton porous super fine denier polyester fiber of the height of preparing has good soft pliability, flexibility, larger shape than with the characteristics such as dyeability is good.Production technology of the present invention is simpler, and production cost is low, can reach to imitate preferably cotton or surmount cotton essential characteristic to imitate cotton effect with good height.The present invention has the function fibre in differentiation of the characteristics such as high-performance, high-quality, high added value, dress be more comfortable, and can the replace imported like product, changes the always situation of dependence on import of functional fiber, has vast potential for future development.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (8)
1. one kind high imitative cotton porous super fine denier polyester fiber, it is characterized in that, the polyester slice of this polyester fiber take weight percentage as 75-85% is base-material, online interpolation weight percentage is 15-25% polyalcohol blending and modifying, the POY fiber number of described polyester fiber is 44dtex/192f, fracture strength 〉=2.15 CN/dtex, elongation at break 〉=110%.
2. the imitative cotton porous super fine denier polyester fiber of height according to claim 1 is characterized in that, described polyalcohol is a kind of in ethylene glycol, glycerine, sorbierite, pentaerythrite or the xylitol.
3. a method for preparing the imitative cotton porous super fine denier polyester fiber of height as claimed in claim 1 is characterized in that, may further comprise the steps:
(1) chip drying: polyester slice is put into drying device carry out drying, dry 1.5-3 h;
(2) melt extruded: dried polyester slice is added in the pressurizing unit, add online polyalcohol, under 250-300 ℃ temperature conditions, carry out blending and modifying, obtain melt;
(3) melt extrusion: melt is pressed into filament spinning component, carries out the cross section fine, be extruded through the pore of spinnerets and form the melt thread;
(4) cooling curing: the melt thread is encircled quenching curing solidify out into strand, the process conditions of ring blowing are: pressure 530 Pa, 25 ± 2 ℃ of wind-warm syndrome, humidity 90 ± 5%, wind speed 0.38 ~ 0.50 m/s;
(5) oil nozzle oils and winding shaping: the oil nozzle boundling that oils becomes tow, after tow enters the first godet roller and oils, carry out pre-network through pre-network device, finish on the tow is dispelled, make finish be attached to more equably on the tow, carry out coiling and molding behind the network equipment network via the second godet roller again, namely make high imitative cotton porous super fine denier polyester fiber.
4. the preparation method of the imitative cotton porous super fine denier polyester fiber of height according to claim 3 is characterized in that, the diameter of spinnerets is modulated to 80 ~ 100 mm in the described step (3).
5. height according to claim 3 is imitated the preparation method of cotton porous super fine denier polyester fiber, it is characterized in that, the speed that the middle tow of described step (5) enters the first godet roller is 3500 ~ 3800 m/min, the pressure of pre-network device is 0.65 ± 0.05 bar, the speed that tow enters the second godet roller is 3700 ~ 4000 m/min, network equipment pressure is 4.5 ± 0.05 bar, and the winding speed of coiling and molding is 3000 ~ 3600 m/min.
6. one kind prepares the equipment that height as claimed in claim 1 is imitated cotton porous super fine denier polyester fiber, it is characterized in that, comprise drying device, pressurizing unit, spinning manifold, melt extrusion device, cooling curing device, oiling device and coiling and forming device, described drying device, cooling curing device, oiling device and coiling and forming device are communicated with successively according to described order, are connected by Melt Pump between described pressurizing unit and the spinning manifold.
7. the equipment of the high imitative cotton porous super fine denier polyester fiber of preparation according to claim 6 is characterized in that, described spinning manifold comprises melt distributing pipe, measuring pump and filament spinning component.
8. preparation height according to claim 6 is imitated the equipment of cotton porous super fine denier polyester fiber, it is characterized in that, described cooling curing device is ring quenching solidification equipment, described coiling and forming device comprises first, second godet roller, pre-network device, network equipment and up-coiler, described pre-network device be arranged at the first godet roller and the second godet roller between, after described network equipment and up-coiler are successively set on the second godet roller according to described order.
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| CN201210370170.XA CN102877155B (en) | 2012-09-29 | 2012-09-29 | High-simulated-cotton porous superfine-denier polyester fiber and preparation method thereof and preparation equipment |
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| CN201210370170.XA CN102877155B (en) | 2012-09-29 | 2012-09-29 | High-simulated-cotton porous superfine-denier polyester fiber and preparation method thereof and preparation equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103114344A (en) * | 2013-02-04 | 2013-05-22 | 江苏中润纤维科技股份有限公司 | Porous superfine denier polyester pre-oriented yarn and preparation method thereof |
| CN104499152A (en) * | 2014-11-05 | 2015-04-08 | 江苏顺远纺织科技有限公司 | Production method of PFY (polyester filament yarn) super cotton-like fabric and PFY production method |
| CN105734711A (en) * | 2016-03-30 | 2016-07-06 | 中润科技股份有限公司 | X-like moisture conducting and preserving polyester POY (PRE-ORIENTED YARN) and manufacture method thereof |
| CN107881581A (en) * | 2016-09-29 | 2018-04-06 | 中国石油化工股份有限公司 | A kind of direct electrospinning method for preparing for thering is light superelevation to wash high tenacity polyester staple fiber by force |
| CN113174646A (en) * | 2021-04-25 | 2021-07-27 | 杭州永兴化纤有限公司 | Process for super cotton-like polyester |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114344A (en) * | 2013-02-04 | 2013-05-22 | 江苏中润纤维科技股份有限公司 | Porous superfine denier polyester pre-oriented yarn and preparation method thereof |
| CN104499152A (en) * | 2014-11-05 | 2015-04-08 | 江苏顺远纺织科技有限公司 | Production method of PFY (polyester filament yarn) super cotton-like fabric and PFY production method |
| CN104499152B (en) * | 2014-11-05 | 2016-08-17 | 江苏顺远纺织科技有限公司 | A kind of PFY surpasses and spins the manufacture method of PFY in cotton face fabric and fabric |
| CN105734711A (en) * | 2016-03-30 | 2016-07-06 | 中润科技股份有限公司 | X-like moisture conducting and preserving polyester POY (PRE-ORIENTED YARN) and manufacture method thereof |
| CN107881581A (en) * | 2016-09-29 | 2018-04-06 | 中国石油化工股份有限公司 | A kind of direct electrospinning method for preparing for thering is light superelevation to wash high tenacity polyester staple fiber by force |
| CN107881581B (en) * | 2016-09-29 | 2021-12-07 | 中国石油化工股份有限公司 | Direct spinning preparation method of bright ultrahigh-strength polyester high-tenacity polyester staple fiber |
| CN113174646A (en) * | 2021-04-25 | 2021-07-27 | 杭州永兴化纤有限公司 | Process for super cotton-like polyester |
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