CN1296532C - Processing method for producing sea-island fibre POY based on sea-island fibre FDY producing apparatus - Google Patents
Processing method for producing sea-island fibre POY based on sea-island fibre FDY producing apparatus Download PDFInfo
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- CN1296532C CN1296532C CNB031122396A CN03112239A CN1296532C CN 1296532 C CN1296532 C CN 1296532C CN B031122396 A CNB031122396 A CN B031122396A CN 03112239 A CN03112239 A CN 03112239A CN 1296532 C CN1296532 C CN 1296532C
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Abstract
The present invention discloses a processing method for producing sea-island fibers POY on the basis of sea-island fiber FDY production devices. Common fiber grade polyester slices and water soluble polyester slices are used as raw materials, the raw materials become spinnable polyester fusant through the drying of a drier and the melting extrusion of a screw extruder, the fusant is conveyed to a spinning metering pump of common polyester fusant for being accurately measured by a fusant distributing pipe after filtration, and then the fusant is evenly distributed to corresponding insulated composite components soak of a spinning box body by a plurality of fusant manifolds with the equal length. The two kinds of fusant mixed in the composite components are ejected from the components and are drawn to a first heat roller and a second heat roller through the cooling and the forming of a side blowing device, the oiling of an oil nozzle through a spinning duct and the net blowing of a preweaving nozzle, and filament bundles are wound into a filament cake of sea-island fibers POY by a winding head after passing through the second heat roller. Because the same device (the device for producing sea-island fibers FDY), sea-island fibers FDY and sea-island fibers POY can be produced through the adjustment and the regulation of technologies, and investment can be greatly saved.
Description
Technical field
The invention belongs to chemical fibre terylene processing technique field, particularly a kind of processing method of carrying out islands-in-sea type fibre POY production based on islands-in-sea type fibre FDY production equipment.
Background technology
Islands-in-sea type fibre is a kind of composite fibre, and this composite fibre can access in the world today fiber the thinnest in the commercialization through processing later, arrangement, is the desirable feedstock of producing articles for use such as high-grade fabric, high-grade decorating cloth, high-grade Wiping material.At present the alleged islands-in-sea type fibre of industry is to be the component on island with general fibre grade polyester chip (PET), a kind of special polyester slice (being water-soluble polyester section ES-CHIP) is extra large component, through super-dry, extrusion molten is sent into the spinning pump of spinning manifold insulation and accurate measurement is extruded, be assigned in each composite spining module, the island component is evenly distributed in the sea component and together is expressed into composite component form islands-in-sea bicomponent fibre outward, form island POY or island FDY through different winding process, wherein, the general fibre grade polyester chip is normally used fiber polyester chip, be meant that with terephthalic acid (TPA) and second diester be base stock, the molecular weight that obtains by polymerization technique be 20000 can spinning fibre polyethylene terephthalate, when winding speed during at 2800-3600M/MIN formed islands-in-sea bicomponent fibre claim island POY, when winding speed at 3900-5000M/MIN, and formed islands-in-sea bicomponent fibre claims island FDY when having drawing process to make the undrawn yarn rerum natura can satisfy directly use before reeling, islands-in-sea type fibre is in the arrangement of back, utilize the alkali solubility characteristics of water-soluble polyester to remove sea component, just can obtain superfine island component monofilament, its filament number can reach below 0.1 dawn.This hairline, can't carry out spinning with conventional chemical fibre spinning technique, filament number reaches the fabric that 0.1 dawn produced when following and has more soft hand feeling, and has more outward appearance and feel like peach skin or the chamois leather through appropriate postprocessing, and perhaps the surface has lichenoid visual effect; Because fiber that superfine dead-soft is arranged is at fabric face, this fabric is done the wiping time spent more can decontamination and can not damage by the surface of cleaning piece.
The processing method of the production islands-in-sea type fibre POY of prior art is: drying is carried out in conventional polyester section and water-soluble polyester section respectively, and melt extrude respectively in the assembly of compound island and extrude through same spinnerets, again through the lateral blowing cooling forming, oil nozzle oils, blow the network and first draw-off godet, second spinning reel guiding, coiled into islands-in-sea type fibre POY spinning cake (its winding speed is 2800-3600M/MIN) by winding head.
As from the foregoing, the main process equipment of production islands-in-sea type fibre POY has comprised drying machine, spinning equipment and winding apparatus.Wherein drying machine need possess two covers, and a cover is used for pre-crystallization, the drying of general fibre grade polyester chip (PET), another set of pre-crystallization, the drying that is used for water-soluble polyester section (ES-CHIP); Spinning equipment comprises screw extruder (containing gage outfit), prefilter, spinning manifold, spinning pump, lateral blowing device, melt pipeline, biphenyl heating system device, finish feeding mechanism (oil nozzle mode), and screw extruder wherein, prefilter, spinning pump, melt pipeline, biphenyl heating system device also respectively possess two covers, are respectively applied for general fibre grade polyester chip, water-soluble polyester section; Winding apparatus comprises the nozzle of interlace, first draw-off godet, second spinning reel, winding head and supporting thread guide.
The processing method of the production islands-in-sea type fibre FDY of prior art is: drying is carried out in conventional polyester section and water-soluble polyester section respectively, and melt extrude respectively in the assembly of compound island and extrude through same spinnerets, again through the lateral blowing cooling forming, oil nozzle oils or oil tanker oils, blow the network and first pair roller, the guiding of second pair roller, by another the nozzle of interlace, coiled into islands-in-sea type fibre FDY spinning cake (its winding speed is 3900-5000M/MIN) by winding head.
As from the foregoing, the main process equipment of production islands-in-sea type fibre FDY has comprised drying machine, spinning equipment and winding apparatus.Wherein drying machine need possess two covers, and a cover is used for pre-crystallization, the drying of general fibre grade polyester chip (PET), another set of pre-crystallization, the drying that is used for water-soluble polyester section (ES-CHIP); Spinning equipment comprises screw extruder (containing gage outfit), prefilter, spinning manifold, spinning pump, lateral blowing device, melt pipeline, biphenyl heating system device, finish feeding mechanism (oil nozzle or oil tanker mode), and screw extruder wherein, prefilter, spinning pump, melt pipeline, biphenyl heating system device also respectively possess two covers, are respectively applied for general fibre grade polyester chip, water-soluble polyester section; Winding apparatus comprises pre-the nozzle of interlace, the nozzle of interlace, first pair roller, second pair roller, winding head and supporting thread guide.
Because producing islands-in-sea type fibre POY is to adopt two kinds of different equipment and processing method with islands-in-sea type fibre FDY, this is for manufacturing enterprise, use a set of equipment when producing islands-in-sea type fibre POY, use another set of equipment when producing islands-in-sea type fibre FDY, increase many fund inputs in need undoubtedly, cause production cost to rise, product lacks competitiveness.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of and carry out the processing method that islands-in-sea type fibre POY produces based on islands-in-sea type fibre FDY production equipment, make and adopt a cover islands-in-sea type fibre FDY production equipment can produce islands-in-sea type fibre FDY, also can produce islands-in-sea type fibre POY.
The technical solution adopted for the present invention to solve the technical problems is: a kind of processing method of carrying out islands-in-sea type fibre POY production based on islands-in-sea type fibre FDY production equipment, and it comprises:
With the general fibre grade polyester chip is first raw material, this raw material is after the first drying machine drying, enter first screw extruder, but become the polyester fondant of spinning through the melt extruded of first screw extruder, measure temperature by the polyester fondant that first screw extruder comes out through gage outfit, guarantee 285-295 ℃ of spinning temperature, deliver to the spinning pump accurate measurement of conventional polyester melt after filtering by the melt distributing pipe, be evenly distributed to the composite component that is incubated by spinning manifold accordingly by each isometric melt manifold;
With the water-soluble polyester section is second raw material, this raw material is after the second drying machine drying, enter second screw extruder, but become the polyester fondant of spinning through the melt extruded of second screw extruder, measure temperature by the polyester fondant that second screw extruder comes out through gage outfit, guarantee 260-280 ℃ of spinning temperature, deliver to the spinning pump accurate measurement of water-soluble polyester melt after filtering by the melt distributing pipe, be evenly distributed to the composite component that is incubated by spinning manifold accordingly by each isometric melt manifold;
Two kinds of polyester fondants that mix in composite component spray from assembly, oil and pass through spinning shaft through lateral blowing device cooling forming, oil nozzle, and pre-the nozzle of interlace blows net and is drawn to first pair roller, second pair roller, heating is closed, speed difference between first pair roller and second pair roller is 20-130M/MIN, tow is rolled into islands-in-sea type fibre POY spinning cake by winding head after by second pair roller, and its winding speed is 2800-3600M/MIN.
Described through the dried general fibre grade polyester chip of first drying machine, its moisture content＜30PPM.
Described first screw extruder respectively to distinguish heating-up temperature adjustable, each district is controlled at 275-295 ℃.
Described through the dried water-soluble polyester section of second drying machine, its moisture content＜60PPM.
Described second screw extruder respectively to distinguish heating-up temperature adjustable, each district is controlled at 255-280 ℃.
Described its linear velocity of first pair roller is 2730-3580M/MIN, and heating is closed.
Described its linear velocity of second pair roller 2840-3630M/MIN, heating is closed.
Islands-in-sea type fibre POY after the described processing, its index is: elongation at break E=110-160%, oil content OPU=0.4-0.6%, bar is done U value＜1.0%.
In actual use, carry out the production of islands-in-sea type fibre POY with the equipment of producing islands-in-sea type fibre FDY, the main process equipment of islands-in-sea type fibre FDY comprises drying machine, spinning equipment and winding apparatus, wherein drying machine need possess two covers, one cover is used for pre-crystallization, the drying of general fibre grade polyester chip, another set of pre-crystallization, the drying that is used for the water-soluble polyester section; Spinning equipment comprises screw extruder (containing gage outfit), prefilter, spinning manifold, spinning pump, lateral blowing device, melt pipeline, biphenyl heating system device, finish feeding mechanism (oil nozzle mode), wherein screw extruder, prefilter, spinning pump, melt pipeline, biphenyl heating system device also respectively possess two covers, are respectively applied for general fibre grade polyester chip, water-soluble polyester section; Winding apparatus comprises pre-the nozzle of interlace, the nozzle of interlace, first hot-rolling, second hot-rolling, winding head and supporting thread guide.
Islands-in-sea type fibre POY adds man-hour with the equipment of producing islands-in-sea type fibre FDY, its process is, with the general fibre grade polyester chip is first raw material, this raw material is its moisture content＜30PPM after the first drying machine drying, then enter first screw extruder, but become the polyester fondant of spinning through the melt extruded of first screw extruder, first screw extruder respectively to distinguish heating-up temperature adjustable, each district is controlled at 275-295 ℃, measure temperature by the polyester fondant that first screw extruder comes out through gage outfit, guarantee 285-295 ℃ of spinning temperature, deliver to the spinning pump accurate measurement of conventional polyester melt after filtering by the melt distributing pipe, be evenly distributed to the composite component that is incubated by spinning manifold accordingly by each isometric melt manifold; Be second raw material with the water-soluble polyester section simultaneously, this raw material is its moisture content＜60PPM after the second drying machine drying, then enter second screw extruder, but become the polyester fondant of spinning through the melt extruded of second screw extruder, second screw extruder respectively to distinguish heating-up temperature adjustable, each district is controlled at 255-280 ℃, measure temperature by the polyester fondant that second screw extruder comes out through gage outfit, guarantee 260-280 ℃ of spinning temperature, deliver to the spinning pump accurate measurement of water-soluble polyester melt after filtering by the melt distributing pipe, be evenly distributed to the composite component that is incubated by spinning manifold accordingly by each isometric melt manifold; Such two kinds of polyester fondants are transferred to be expressed in the composite component simultaneously to be extruded again, and composite component is equipped with annealer outward, and its heating-up temperature can be controlled in 270-300 ℃; Two kinds of polyester fondants that mix in composite component spray from assembly, oil by spinning shaft (tanker installation it is not used) through lateral blowing device cooling forming, oil nozzle, and pre-the nozzle of interlace blows net and is drawn to first pair roller, second pair roller, speed difference between first pair roller and second pair roller is 20-130M/MIN, tow is rolled into islands-in-sea type fibre POY spinning cake by winding head after by second hot-rolling, and its winding speed is 2800-3600M/MIN.
The invention has the beneficial effects as follows,, make and adopt a cover islands-in-sea type fibre FDY production equipment can produce islands-in-sea type fibre FDY, also can produce islands-in-sea type fibre POY owing to adopted a kind of processing method of carrying out islands-in-sea type fibre POY production based on islands-in-sea type fibre FDY production equipment; Because the drying effect (section moisture content) of drying machine is better than islands-in-sea type fibre POY when producing islands-in-sea type fibre FDY, the drying machine of the production islands-in-sea type fibre FDY that is adopted can satisfy the requirement of islands-in-sea type fibre FDY, more can satisfy the production requirement of islands-in-sea type fibre POY certainly; Because by first pair roller, the second pair roller linear velocity in the winding apparatus are adjusted accordingly and regulated, the feasible spinning cake that is rolled into by winding head behind first pair roller, second pair roller, its winding speed are at 2800-3600M/MIN, and formation islands-in-sea type fibre POY; And be better than producing the draw-off godet of islands-in-sea type fibre POY equipment owing to produce the grip effect of first pair roller, second pair roller in the islands-in-sea type fibre FDY equipment, speed difference is stable, tension stability is better than producing islands-in-sea type fibre POY equipment, thereby is lower than by producing the islands-in-sea type fibre POY that islands-in-sea type fibre POY device fabrication is come out by the yarn unevenness of producing the islands-in-sea type fibre POY that islands-in-sea type fibre FDY device fabrication comes out.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in further detail; But of the present inventionly a kind ofly carry out the processing method that islands-in-sea type fibre POY produces based on islands-in-sea type fibre FDY production equipment and be not limited to embodiment.
Fig. 1 is based on islands-in-sea type fibre FDY production equipment and carries out the processing method that islands-in-sea type fibre POY produces.
The specific embodiment
Referring to shown in Figure 1, a kind of processing method of carrying out islands-in-sea type fibre POY production of the present invention based on islands-in-sea type fibre FDY production equipment, it comprises;
With the general fibre grade polyester chip is first raw material A, this raw material A is after first drying machine, 11 dryings, enter first screw extruder 21, but become the polyester fondant of spinning through the melt extruded of first screw extruder 21, measure temperature by the polyester fondant that first screw extruder 21 comes out through gage outfit, guarantee 285-295 ℃ of spinning temperature, deliver to the spinning pump accurate measurement of conventional polyester melt after filtering by the melt distributing pipe, be evenly distributed to the composite component that is incubated by spinning manifold 3 accordingly by each isometric melt manifold;
With the water-soluble polyester section is the second raw material B, this raw material B is after second drying machine, 12 dryings, enter second screw extruder 22, but become the polyester fondant of spinning through the melt extruded of second screw extruder 22, measure temperature by the polyester fondant that second screw extruder 22 comes out through gage outfit, guarantee 260-280 ℃ of spinning temperature, deliver to the spinning pump accurate measurement of water-soluble polyester melt after filtering by the melt distributing pipe, be evenly distributed to the composite component that is incubated by spinning manifold 3 accordingly by each isometric melt manifold;
Two kinds of polyester fondants that mix in composite component spray from assembly, oil and pass through spinning shaft through lateral blowing device cooling forming, oil nozzle 4, and pre-the nozzle of interlace 5 blows net and is drawn to first pair roller 6, second pair roller 7, speed difference between first pair roller 6 and second pair roller 7 is 20-130M/MIN, tow is rolled into islands-in-sea type fibre POY spinning cake 8 by second pair roller, 7 backs by winding head, and its winding speed is 2800-3600M/MIN.
In said process, wherein;
Through first drying machine, 11 dried general fibre grade polyester chips, its moisture content＜30PPM; First screw extruder 21 respectively to distinguish heating-up temperature adjustable, each district is controlled at 275-295 ℃; Through the 12 dried water-soluble polyester sections of second drying machine, its moisture content＜60PPM; Second screw extruder 22 respectively to distinguish heating-up temperature adjustable, each district is controlled at 255-280 ℃; First pair roller, 6 its linear velocities are 2730-3580M/MIN, and heating is closed; Second pair roller, 7 its linear velocity 2840-3630M/MIN, heating is closed; Winding speed 2800-3600M/MIN.Islands-in-sea type fibre POY after the processing, its index is: elongation at break E=110-160%, oil content OPU=0.4-0.6%, bar is done U value＜1.0%.
In actual use, can carry out the production of islands-in-sea type fibre POY with the equipment of producing islands-in-sea type fibre FDY, the main process equipment of islands-in-sea type fibre FDY comprises drying machine, spinning equipment and winding apparatus, wherein drying machine need possess two covers, one cover drying machine is used for pre-crystallization, the drying of general fibre grade polyester chip, and another set of drying machine is used for pre-crystallization, the drying of water-soluble polyester section; Spinning equipment comprises screw extruder (containing gage outfit), prefilter, spinning manifold, spinning pump, lateral blowing device, melt pipeline, biphenyl heating system device, finish feeding mechanism (oil nozzle mode, oil tanker mode), wherein screw extruder, prefilter, spinning pump, melt pipeline, biphenyl heating system device also respectively possess two covers, are respectively applied for general fibre grade polyester chip, water-soluble polyester section; Winding apparatus comprises pre-the nozzle of interlace, the nozzle of interlace, first hot-rolling, second hot-rolling, winding head and supporting thread guide.
Islands-in-sea type fibre POY adds man-hour with the equipment of producing islands-in-sea type fibre FDY, its process is, with the general fibre grade polyester chip is first raw material A, this raw material A is its moisture content＜30PPM after first drying machine, 11 dryings, then enter first screw extruder 21, but become the polyester fondant of spinning through the melt extruded of first screw extruder 21, first screw extruder 21 respectively to distinguish heating-up temperature adjustable, each district is controlled at 275-295 ℃, measure temperature by the polyester fondant that first screw extruder 21 comes out through gage outfit, guarantee 285-295 ℃ of spinning temperature, deliver to the spinning pump accurate measurement of conventional polyester melt after filtering by the melt distributing pipe, be evenly distributed to the composite component that is incubated by spinning manifold 3 accordingly by each isometric melt manifold; Be the second raw material B with the water-soluble polyester section simultaneously, this raw material B is its moisture content＜60PPM after second drying machine, 12 dryings, then enter second screw extruder 22, but become the polyester fondant of spinning through the melt extruded of second screw extruder 22, second screw extruder 22 respectively to distinguish heating-up temperature adjustable, each district is controlled at 255-280 ℃, measure temperature by the polyester fondant that second screw extruder 22 comes out through gage outfit, guarantee 260-280 ℃ of spinning temperature, deliver to the spinning pump accurate measurement of water-soluble polyester melt after filtering by the melt distributing pipe, be evenly distributed to the composite component that is incubated by spinning manifold 3 accordingly by each isometric melt manifold; Such two kinds of polyester fondants are transferred to be expressed in the composite component simultaneously to be extruded again, and composite component is equipped with annealer outward, and its heating-up temperature can be controlled in 260-300 ℃; Two kinds of polyester fondants that mix in composite component spray from assembly, oil by spinning shaft (tanker installation it is not used) through lateral blowing device cooling forming, oil nozzle 4, and pre-the nozzle of interlace 5 blows net and is drawn to first pair roller, 6 (linear velocity 2730-3580M/MIN, the heating close), second pair roller, 7 (linear velocity 2840-3630M/MIN, heating is closed), speed difference between first pair roller 6 and second pair roller 7 is 20-130M/MIN, tow is rolled into islands-in-sea type fibre POY spinning cake 8 by second pair roller, 7 backs by winding head, and its winding speed is 2800-3600M/MIN.
Islands-in-sea type fibre POY after above-mentioned processing, its index is: elongation at break E=110-160%, oil content OPU=0.4-0.6%, bar is done U value＜1.0%.
From the above, utilize same equipment (producing the equipment of islands-in-sea type fibre FDY), regulate, both can produce islands-in-sea type fibre FDY, can produce islands-in-sea type fibre POY again, and need not to purchase two kinds of equipment, can reduce investment outlay greatly, and can make production have elasticity by the technology adjustment.
Only adopt island FDY equipment just energy production island FDY and island POY among the present invention, be suitable for present commercial terylene hot-rolling formula FDY up-coiler.
Claims (8)
1. one kind is carried out the processing method that islands-in-sea type fibre POY produces based on islands-in-sea type fibre FDY production equipment, and it is characterized in that: it comprises;
With the general fibre grade polyester chip is first raw material, this raw material is after the first drying machine drying, enter first screw extruder, but become the polyester fondant of spinning through the melt extruded of first screw extruder, measure temperature by the polyester fondant that first screw extruder comes out through gage outfit, guarantee 285-295 ℃ of spinning temperature, deliver to the spinning pump accurate measurement of conventional polyester melt after filtering by the melt distributing pipe, be evenly distributed to the composite component that is incubated by spinning manifold accordingly by each isometric melt manifold;
With the water-soluble polyester section is second raw material, this raw material is after the second drying machine drying, enter second screw extruder, but become the polyester fondant of spinning through the melt extruded of second screw extruder, measure temperature by the polyester fondant that second screw extruder comes out through gage outfit, guarantee 260-280 ℃ of spinning temperature, deliver to the spinning pump accurate measurement of water-soluble polyester melt after filtering by the melt distributing pipe, be evenly distributed to the composite component that is incubated by spinning manifold accordingly by each isometric melt manifold;
Two kinds of polyester fondants that mix in composite component spray from assembly, oil and pass through spinning shaft through lateral blowing device cooling forming, oil nozzle, and pre-the nozzle of interlace blows net and is drawn to first hot-rolling, second hot-rolling, speed difference between first hot-rolling and second hot-rolling is 20-130M/MIN, tow is rolled into islands-in-sea type fibre POY spinning cake by winding head after by second hot-rolling, and its winding speed is 2800-3600M/MIN.
2. a kind of processing method of carrying out islands-in-sea type fibre POY production based on islands-in-sea type fibre FDY production equipment according to claim 1, it is characterized in that: the islands-in-sea type fibre POY after the described processing, its index is: elongation at break E=110-160%, oil content OPU=0.4-0.6%, bar is done U value＜1.0%.
3. a kind of processing method of carrying out islands-in-sea type fibre POY production based on islands-in-sea type fibre FDY production equipment according to claim 1 and 2 is characterized in that: described through the dried general fibre grade polyester chip of first drying machine, its moisture content＜30PPM.
4. according to claim 1 and 2ly a kind ofly carry out the processing method that islands-in-sea type fibre POY produces, it is characterized in that based on islands-in-sea type fibre FDY production equipment: described first screw extruder respectively to distinguish heating-up temperature adjustable, each district is controlled at 275-295 ℃.
5. a kind of processing method of carrying out islands-in-sea type fibre POY production based on islands-in-sea type fibre FDY production equipment according to claim 1 and 2 is characterized in that: described through the dried water-soluble polyester section of second drying machine, its moisture content＜60PPM.
6. according to claim 1 and 2ly a kind ofly carry out the processing method that islands-in-sea type fibre POY produces, it is characterized in that based on islands-in-sea type fibre FDY production equipment: described second screw extruder respectively to distinguish heating-up temperature adjustable, each district is controlled at 255-280 ℃.
7. a kind of processing method of carrying out islands-in-sea type fibre POY production based on islands-in-sea type fibre FDY production equipment according to claim 1 and 2, it is characterized in that: described its linear velocity of first hot-rolling is 2730-3580M/MIN, and heating is closed.
8. a kind of processing method of carrying out islands-in-sea type fibre POY production based on islands-in-sea type fibre FDY production equipment according to claim 1 and 2, it is characterized in that: described its linear velocity of second hot-rolling 2840-3630M/MIN, heating is closed.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB031122396A CN1296532C (en) | 2003-05-30 | 2003-05-30 | Processing method for producing sea-island fibre POY based on sea-island fibre FDY producing apparatus |
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| CNB031122396A CN1296532C (en) | 2003-05-30 | 2003-05-30 | Processing method for producing sea-island fibre POY based on sea-island fibre FDY producing apparatus |
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| CN1296532C true CN1296532C (en) | 2007-01-24 |
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| CN102660786A (en) * | 2012-05-24 | 2012-09-12 | 浙江华鑫化纤有限公司 | POY (polyester pre-oriented yarn) spinning method and device by using FDY (fully drawn yarn) spinning device |
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| CN101982575B (en) * | 2010-11-16 | 2012-07-04 | 张家港锦亿化纤有限公司 | Sea-island polyester drawn yarn and preparation method thereof |
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| CN113463221A (en) * | 2021-07-10 | 2021-10-01 | 杭州恒吉新材料科技有限公司 | POY sea-island fiber and preparation method thereof |
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| CN1384227A (en) * | 2002-05-20 | 2002-12-11 | 辽阳天利海岛纤维有限公司 | Drying process for Haidao superfine composite fiber slice |
| CN1399012A (en) * | 2002-06-07 | 2003-02-26 | 辽阳天利海岛纤维有限公司 | Production process of superfine composite fiber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660786A (en) * | 2012-05-24 | 2012-09-12 | 浙江华鑫化纤有限公司 | POY (polyester pre-oriented yarn) spinning method and device by using FDY (fully drawn yarn) spinning device |
| CN102660786B (en) * | 2012-05-24 | 2015-04-22 | 浙江华鑫化纤有限公司 | POY (polyester pre-oriented yarn) spinning method and device by using FDY (fully drawn yarn) spinning device |
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