CN101798712B - Spinneret plate, preparation method of profiled filament processed by utilizing same - Google Patents
Spinneret plate, preparation method of profiled filament processed by utilizing same Download PDFInfo
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- CN101798712B CN101798712B CN2009103125154A CN200910312515A CN101798712B CN 101798712 B CN101798712 B CN 101798712B CN 2009103125154 A CN2009103125154 A CN 2009103125154A CN 200910312515 A CN200910312515 A CN 200910312515A CN 101798712 B CN101798712 B CN 101798712B
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Abstract
The invention relates to a spinneret plate, a profiled filament processed by utilizing the same and a preparation method thereof. The spinneret orifices of the spinneret plate are trilobal, are symmetrical around the x,y and z shafts which mutually form the included angle of 120 degrees and are connected by the bottom edges of the minimum circumscribed isosceles triangles A, B and C of trefoil to form an equilateral triangle D; the included angle of the side and the height of A, B or C is 5-25 degrees; the contour line bc line of the trilobal is selected from two or a plurality of and two sections of or a plurality of sections of straight lines and quadratic curves and is formed by connecting in the minimum circumscribed isosceles triangle; and the contour lines ab line and the cd line of the trilobal are smoothly transiting curves. The spinneret plate can be used on a fusant direct spinning device with an on-line adding function, and fiber has the characteristic of high gloss by utilizing the phenomenon that the spinneret plate and the profiled filament prepared by the corresponding spinning process have better mirror reflection effect.
Description
Technical field
The present invention relates to textile technology, is manufacturing technology of a kind of fiber and products thereof, specifically, is a kind of spinnerets and with profiled filament of this spinnerets processing and preparation method thereof.
Background technology
Have the existence of the profiled fibre of flat surface because of flat surface, have than the better luster effect of non-smooth surface fiber, receive the welcome of functionalization lining, the added value of fiber is higher.And the premium properties that thin dawn, micro denier fiber are demonstrated also is various functional fibers, and the motive power of pursuing thin dawnization like uvioresistant, fiber such as antibiotic, antistatic day by day belongs to.It is thus clear that, odd-shaped cross section, thin dawnization and functionalization combined can improve the overall value of fiber undoubtedly, have the vast market demand.But this requirement to spinning equipment, technology is very high, and is also very high to the Capability Requirement of profile spinneret design and batch machining, and these all are the technical bottlenecks of thin dawn profiled filament of exploitation and spinnerets thereof.
In the development process of profiled filament; Raw bodies character such as the elasticity of polymer melt in the melt spinning extrusion swells, VISCOUS FLOW, surface tension are the starting points of exploitation; Simultaneously also be other all external conditions mandatory principles that play a role, the relation between the conditions such as the Extrusion Flow speed in itself and the processing conditions, spinning temperature, cooler environment, spinning speed is the key that the irregularly-shaped hole spinnerets is succeeded in developing.Simultaneously, finished fiber section feature, monofilament linear density, degree of profile, mechanics and microstructure index and after spin that to add requirements such as playing the false twist yarn index also be the important technology index in the development process.Only take all factors into consideration above-mentioned factor, could successfully develop the more advanced irregularly-shaped hole spinnerets and the supporting manufacturing technology and the long filament of long filament thereof.
Relevant various " three leaves " or the profile spinneret of " triangle " tee section or the report of fiber are had it long ago.U.S. Pat 4001369 has announced that with US4091065 a kind of same spinnerets possesses the technology of two or more trilobal spinneret orifices.It has used among the US2939201 for the definition of " MR ", promptly revises ratio.Two kinds of trilobals of its requirement have different MR, and leaf can be straight leaf and also can be the taper leaf, and taper leaf cone angle can be from 3 ° to 15 °, in addition, then do not have too much requirement for the further feature of trilobal shape.Report trilobal spinneret orifice is shaped as central round orifice among the patent US5176926; Radially on the central round orifice extend three equal slits; Have relative central round orifice on the slit and be positioned at peripheral peripheral circular port; The ratio of peripheral circular port diameter and slit width is more than or equal to 3.5: 1, and the ratio of central circular bore dia and slit width was greater than 6: 1, and the central circular bore dia is more than or equal to peripheral circular port diameter.Patent US6620505 has proposed a kind of profiled filament to PTT and other ester class copolymerization; The fibre section has three parts to outer lug; The vertical range of the coupling part of center, fibre section between the peripheral convexity, with the ratio of the vertical range of the external triangle edges of center, fibre section to fiber be 0.7 to 1.In addition, the angle to convexity does not describe, and the shape of the outline line of fibre section is not made explanations yet, and visible these are all irrelevant with requirement of the present invention.
CN201021462Y discloses cross section for waiting star-like chinlon 6 filament of triangle, and the star-like drift angle angle of triangles such as its cross section is less than 60 °, and its side angle is less than 180 °.The described special-shaped spinneret orifice that is used for acrylic fibers of CN2830427Y, its cross section can be positive trilobal, and leaf length is 2: 1 with blade width ratio.CN2756031Y discloses a kind of trilobal spinneret orifice, prepares wig in order to wet method, and is different with melt spinning technology path of the present invention, and its described triangle failed call is approximate equilateral triangle simultaneously, and different with the present invention for the description of outline line.CN1558003A is increased to 3.0 with spinneret orifice three leaf irregularly-shaped hole leaves length with inradius ratio, and corresponding this ratio of fiber also is 3.0.CN1195910C provides a kind of polytrimethylene terephthalate special-shaped yarn; Has the trilobal cross cross section; The outer peripheral lines in its trilobal cross cross section all is by constituting to outside protruding curve in cross section or protruding curve and straight line, and degree of profile is 1.15～1.35, and the single thread fiber number is below 8.9 dtexs.
CN2517759Y discloses a kind of thin dawn equilateral triangle polyester staple fiber spinnerets, and its spinneret orifice is a kind of tri-star shape of distortion, and is equal from the distance on triangle center to each top, angle; Be 0.25～0.35mm; Three angles of triangle star are three equal fillets, and radius of corner is 0.03～0.06mm, and three limits of triangle star are to three of the center indent equal circular arc lines; The circular arc line radius is 0.3～0.5mm, smoothly thus connects into a tri-star shape.It is thus clear that, this with the present invention in three outline lines between the subtriangular approximate drift angle be respectively two and form different with upper curve.
CN101139741A discloses a kind of fine-denier triangle super bright FDY polyester filament; The cross section is approximate equilateral triangle; Three drift angles are little circular arc, and the thin dawn is meant that filament number is 0.3～0.7dtex, and approximate equilateral triangle is meant that triangle is made up of three limits that are similar to straight line; The length ratio of its adjacent two edges is 0.7～1.4, and the arc radius of the little circular arc of described drift angle is 1: 2～50 with the ratio of the length of side.It is thus clear that above-mentioned three limits that are similar to straight line are obviously different with the present invention, the present invention clearly proposes the approximate edges of approximate three bar shapeds and is made up of the bigger curve of radius of curvature, and this requirement is superior to the requirement of above-mentioned patent.
In addition; Related patent U.S. Patent No. also has US6673450B2, US6939608, US3673053, US5108838 and US5208106, US4492731, CN101328620A, CN201058895Y, CN201058897Y, CN201165570Y, CN201209176Y, CN101338455A etc., does not all see the report identical with the present invention.
In view of this, special proposition the present invention.
Summary of the invention
First purpose of the present invention is that the spinnerets that provides a kind of profiled fibre spinning to use, this spinnerets have novel spinneret orifice shape facility, design considerations science; Be easy to processing in enormous quantities; Cost is low, adopts the prepared fiber of this spinnerets to have novel section feature, gloss preferably; Can be through the accurate controlling fiber section feature of adjusting of spinning technique; Prepare fine count fiber, add the spinning of component, prepare and integrate antibiotic, uvioresistant, anti-static function and coloured chemical fibre dimension of thin dawn of odd-shaped cross section applicable to specific functionality.
Second purpose of the present invention is to provide a kind of profiled fibre, and than general fibre, this fiber not only has thin dawn characteristics, also has novel odd-shaped cross section and gloss preferably.Can be used for the fused mass directly spinning technology path, the advanced online interpolation function ingredients of fused mass directly spinning and the coloured component of being used for prepared special-shaped function of thin dawn terylene or colored fibre.
The 3rd purpose of the present invention is to provide a kind of preparation method of profiled fibre; This method adopts spinnerets provided by the present invention; Through the accurate controlling fiber section feature of the adjusting of spinning technique; Prepare fine count fiber,, prepare and integrate antibiotic, uvioresistant, anti-static function and coloured chemical fibre dimension of thin dawn of odd-shaped cross section applicable to the spinning of specific functionality and coloured component.
For realizing first purpose of the present invention, the present invention adopts following technical scheme:
The spinnerets that a kind of profiled fibre spinning is used; Wherein: the spinneret orifice of said spinnerets is a trilobal; To be mutually x, y and the z axial symmetry of 120 degree angles; Base with minimum external isosceles triangle A, B and the C of three leaves is formed by connecting, and forms an equilateral triangle D, and the waist of A or B or C and high angle are 5～25 °; The outline line bc line of leaf be in straight line, the conic section two or more, two sections or multistage and in the external isosceles triangle of minimum, be formed by connecting, the outline line ab line of leaf and cd line are the curve that seamlessly transits.
Further, the aforesaid spinnerets according to the present invention, wherein, the outline line bc line of leaf is two kinds among the straight line collection y=E+F*x, ab line and cd line are the curve that seamlessly transits.Wherein, y is the ordinate in the rectangular coordinate system, and x is the abscissa in the rectangular coordinate system, and E is the intercept of straight line on ordinate, and F is a straight slope.
Perhaps, the outline line bc line of single leaf is a conic section circle line collection (x-G)
2+ (y-H)
2=I
2In two or more, two sections or multistage and smooth connection form, ab line and cd line are the curve that seamlessly transits.Wherein, y is the ordinate in the rectangular coordinate system, and x is the abscissa in the rectangular coordinate system, and (G H) is central coordinate of circle, and I is a radius of circle.
Also can be that the outline line bc line of single leaf is a conic section ellipse collection (x-J)
2/ K
2+ (y-L)
2/ M
2In=1 two or more, two sections or multistage smooth connection composition, ab line and cd line are the curve that seamlessly transits.Wherein, y is the ordinate in the rectangular coordinate system, and x is the abscissa in the rectangular coordinate system, and (J L) is centre coordinate, and K is that major axis is long, and M is that minor axis is long.
For realizing second purpose of the present invention, the present invention adopts following technical scheme:
A kind of profiled fibre, wherein:
The spinnerets that this fiber uses the aforesaid profiled fibre spinning of the present invention to use prepares gained; Its fibre section is approximate equilateral triangle; The minimum external triangle of approximate equilateral triangle is an equilateral triangle; Approximate top corner portion a ' f ', b ' c ' and the d ' e ' of approximate equilateral triangle are respectively for seamlessly transitting curve; Subtriangular approximate edges a ' b ', c ' d ' and e ' f ' are made up of the combination of the bigger curve of two above radius of curvature or itself and straight line, and in the external triangle of minimum, are connected to form.
Further, the aforesaid profiled fibre according to the present invention, wherein, subtriangular approximate edges a ' b ', c ' d ' and e ' f ' are respectively for being formed by two bigger circular arc line combinations of radius of curvature.
Perhaps; Subtriangular approximate edges a ' b ', c ' d ' and e ' f ' respectively for be connected with straight line by two bigger circular arc lines of radius of curvature the combination form, straight line between two circular arc lines or arbitrary circular arc line between another circular arc line and straight line.
For realizing the 3rd purpose of the present invention, the present invention adopts following technical scheme:
A kind of preparation method of profiled fibre comprises that melt polymerization, pipeline are carried and the spinnerets ejection, wherein: the spinnerets that described spinnerets is used for the aforesaid profiled fibre spinning of the present invention.
Preparation method provided by the present invention can be used for preparing preorientation fiber, full drawing of fiber, or has antibiotic, uvioresistant or the functional fibre of anti-static function or coloured fiber, be particularly suited for preparing have antibiotic, uvioresistant simultaneously, anti-static function or coloured in the fiber of at least two kinds of characteristics.
According to the aforementioned preparation method who states, wherein: described preorientation fiber is a polyester preorientation fiber, and described full drawing of fiber is full drawing of fiber of polyester or the full drawing of fiber of polyamide.
When preparation polyester preorientation fiber, 265～300 ℃ of spinning temperatures, preferred 275～295 ℃, spinning plate surface is 0～20cm, preferred 0.5～10cm apart from the distance of blowing window, winding speed is 2200～3800m/min, preferred 2500～3500m/min;
When the full drawing of fiber of preparation polyester, spinning speed 500～2000m/min, draw speed 2000～8000m/min;
When the full drawing of fiber of preparation polyamide, 250～290 ℃ of spinning temperatures, spinning speed 4000～4500m/min, winding speed are 5000～6000m/min.
According to aforesaid preparation method, wherein: the line density of described polyester preorientation fiber is 0.5～4.0dpf, preferred 0.5～1.5dpf; The line density of the full drawing of fiber of described polyester is 0.3～2.7dpf, preferred 0.3～1dpf.
According to aforesaid preparation method, wherein: described polyester is PETG, polytrimethylene terephthalate or polybutylene terephthalate (PBT), be preferably to have much light, half delustring or full-dull, more preferably has much light; Described polyamide is polyamide 6 or polyamide 66.
Below be detailed description of the present invention:
On the one hand; The spinnerets that the present invention provides a kind of profiled fibre spinning to use, wherein: the spinneret orifice of said spinnerets is a trilobal, to be mutually x, y and the z axial symmetry of 120 degree angles; Base with minimum external isosceles triangle A, B and the C of three leaves is formed by connecting; Form an equilateral triangle D, the waist of A or B or C and high angle are 5～25 °, the outline line bc line of leaf be in straight line, the conic section two or more, two sections or multistage and in the external isosceles triangle of minimum, be formed by connecting; The outline line ab line and the cd line of leaf are the curve that seamlessly transits, and be as shown in Figure 1.
Further, according to foregoing spinnerets, wherein, the outline line bc line of single leaf is two kinds among the straight line collection y=E+F*x, and ab line and cd line are the curve that seamlessly transits, and be as shown in Figure 2; Wherein, y is the ordinate in the rectangular coordinate system, and x is the abscissa in the rectangular coordinate system, and E is the intercept of straight line on ordinate, and F is a straight slope.
Perhaps, the outline line bc line of single leaf is a conic section circle line collection (x-G)
2+ (y-H)
2=I
2In two or more, two sections or multistage and smooth connection form, ab line and cd line are the curve that seamlessly transits, and be as shown in Figure 3; Wherein, y is the ordinate in the rectangular coordinate system, and x is the abscissa in the rectangular coordinate system, and (G H) is central coordinate of circle, and I is a radius of circle.
Also can be that the outline line bc line of single leaf is a conic section ellipse collection (x-J)
2/ K
2+ (y-L)
2/ M
2In=1 two or more, two sections or multistage smooth connection composition, ab line and cd line are the curve that seamlessly transits, and be as shown in Figure 4.Wherein, y is the ordinate in the rectangular coordinate system, and x is the abscissa in the rectangular coordinate system, and (J L) is centre coordinate, and K is that major axis is long, and M is that minor axis is long.
Spinnerets than prior art is compared, and the spinneret orifice shape of spinnerets provided by the invention is novel, the design considerations science; Be easy to batch machining; Cost is low, adopts the prepared fiber of this spinnerets to have novel section feature, luster effect preferably; Can be through the accurate controlling fiber section feature of adjusting of spinning technique; Prepare thin dawn chemical fibre dimension,, prepare and integrate antibiotic, uvioresistant, anti-static function and coloured chemical fibre dimension of thin dawn of odd-shaped cross section applicable to the spinning of specific functionality component or coloured component.
The hole count that is used for the spinnerets of long filament processing provided by the present invention can be hole, 72 hole to 288.
The blowing mode of spinnerets of the present invention can be lateral blowing, outer shroud blowing or the blowing of interior ring, preferably outer shroud blowing.
On the other hand, the present invention provides a kind of profiled fibre, wherein:
The spinnerets that this fiber uses the aforesaid profiled fibre spinning of the present invention to use prepares gained; Its fibre section is approximate equilateral triangle; The minimum external triangle of approximate equilateral triangle is an equilateral triangle; Approximate top corner portion a ' f ', b ' c ' and the d ' e ' of approximate equilateral triangle are respectively for seamlessly transitting curve; Subtriangular approximate edges a ' b ', c ' d ' and e ' f ' are made up of the combination of the bigger curve of two above radius of curvature or itself and straight line, and in the external triangle of minimum, are connected to form.
Further, subtriangular approximate edges a ' b ', c ' d ' and e ' f ' are respectively for being formed by two bigger circular arc line combinations of radius of curvature.
Perhaps; Subtriangular approximate edges a ' b ', c ' d ' and e ' f ' respectively for be connected with straight line by two bigger circular arc lines of radius of curvature the combination form, straight line between two circular arc lines or arbitrary circular arc line between another circular arc line and straight line.
Compare than prior art, profiled fibre provided by the present invention has novel section feature, and is as shown in Figure 5, and the limit of the near linear of fiber surface can make light form the minute surface reflection effect, promotes the fiber luster effect.
Another aspect of the invention provides a kind of preparation method of profiled fibre, and this method comprises that melt polymerization, pipeline are carried and the spinnerets ejection, wherein: the spinnerets that described spinnerets is used for the aforesaid profiled fibre spinning of the present invention.
Preparation method provided by the present invention can be used for preparing preorientation fiber, full drawing of fiber, or has antibiotic, uvioresistant or the functional fibre of anti-static function or coloured fiber, be particularly suited for preparing have antibiotic, uvioresistant simultaneously, anti-static function or coloured in the fiber of at least two kinds of characteristics.
When preparation method provided by the present invention is used to prepare functional fibre or coloured fiber, be to adopt the method for the online interpolation function ingredients of fused mass directly spinning or coloured component to produce functional fibre or coloured high glaze fiber.
The function ingredients that is added can be one or more in antibiotic or uvioresistant or the antistatic ingredient.
Among the preparation method of the present invention: described preorientation fiber is a polyester preorientation fiber, and described full drawing of fiber is full drawing of fiber of polyester or the full drawing of fiber of polyamide.
When preparation polyester preorientation fiber, 265～300 ℃ of spinning temperatures, preferred 275～295 ℃, spinning plate surface is 0～20cm, preferred 0.5～10cm apart from the distance of blowing window, winding speed is 2200～3800m/min, preferred 2500～3500m/min;
When the full drawing of fiber of preparation polyester, spinning speed 500～2000m/min, draw speed 2000～8000m/min;
When the full drawing of fiber of preparation polyamide, 250～290 ℃ of spinning temperatures, spinning speed 4000～4500m/min, winding speed are 5000～6000m/min.
Among the present invention, the inventor has selected the spinning technology parameter that matches with spinnerets of the present invention through lot of test.Adopt its performance of the prepared profiled fibre of spinnerets provided by the present invention and technological parameter thereof excellent more.
Among the preparation method of the present invention: the line density of described polyester preorientation fiber is 0.5～4.0dpf, preferred 0.5～1.5dpf; The line density of the full drawing of fiber of described polyester is 0.3～2.7dpf, preferred 0.3～1dpf.
Have a lot of good performances after fiber run business into particular one, but to those skilled in the art, circular fiber is run business into particular one to be difficult to, and it is just more difficult that profiled filament is run business into particular one.And adopt spinnerets of the present invention can fiber be run business into particular one, thereby make prepared preorientation fiber have the more good performance.
Among the preparation method of the present invention: described polyester is PETG, polytrimethylene terephthalate or polybutylene terephthalate (PBT), be preferably to have much light, half delustring or full-dull, more preferably has much light; Described polyamide is polyamide 6 or polyamide 66.
Among the present invention, more preferably have much the light section, can make the glossiness of gloss fiber better, add delustering agent and then gloss is made some difference.
Said method provided by the present invention; Adopt spinnerets provided by the invention; Through the accurate controlling fiber section feature of the adjusting of spinning technique; Prepare thin dawn chemical fibre dimension,, prepare and integrate antibiotic, uvioresistant, anti-static function and coloured chemical fibre dimension of thin dawn of odd-shaped cross section applicable to the spinning of specific functionality component and coloured component.
Compared with prior art, the present invention has following advantage:
1) the long filament cross section of profiled fibre of the present invention and long filament integral body have novelty.Fabric integer is the odd-shaped cross section of collection novelty, the monofilament linear density of thin dawnization, antibiotic, uvioresistant, antistatic or coloured in the special-shaped thin dawn function colored polyester fiber of one.
2) the spinneret orifice shape of spinnerets of the present invention has novelty.The spinneret orifice shaped design is novel, is easy to processing, can prepare above-mentioned special-shaped fine-denier polyester fiber, and adoptable spinnerets profile, pass is arranged and the scope of dimensions is wide, the suitable production in enormous quantities in enormous quantities.
3) the present invention has developed and can cooperate above-mentioned spinneret orifice, spinnerets to prepare the optimization spinning process condition of above-mentioned fiber, and the present invention can accurately control fine count fiber section feature and fibre property through the variation of spinning process condition.
4) utilize the surface portion of the almost plane of fiber surface of the present invention, produce the minute surface reflection effect that helps the light orienting reflex more, can make fiber present gloss preferably.Improve wearability of fabric after the thin dawnization, as be used for wearing fabric, can greatly promote the comfort of human body.In addition, given also that fiber is antibiotic, uvioresistant, antistatic or coloured characteristics, had higher use value and social value.Spinneret orifice is easy to processing, and suitable production in enormous quantities the in enormous quantities, cost is low.To spinning equipment and technology require lowly, can in the process conditions scope of broad, prepare the fiber of better cross section effect and performance.
5) utilize spinnerets of the present invention, adopt the coloured preparation method with function ingredients of the online interpolation that the present invention relates to, prepare gloss fiber of the present invention.
Description of drawings
Fig. 1 is first a kind thin dawn abnormity spinneret orifice cross sectional representation of the present invention.
Fig. 2 is second a kind thin dawn abnormity spinneret orifice cross sectional representation of the present invention.
Fig. 3 is the third thin dawn abnormity spinneret orifice cross sectional representation of the present invention.
Fig. 4 is the 4th a kind thin dawn abnormity spinneret orifice cross sectional representation of the present invention.
Fig. 5 is a kind of thin dawn special polyester fiber cross section sketch map of the present invention.
The specific embodiment
Below be the specific embodiment of the present invention, described embodiment is in order to further describe the present invention, rather than restriction the present invention.
Embodiment 1
The spinneret orifice that adopts is of a size of the data shown in the table 1a.Adopt fused mass directly spinning equipment, raw material PET, spinning technology parameter see table 1b, and the performance of fiber is like table 1c.Spinneret orifice and spinning technique have all adopted the condition in the invention, and fiber shape and performance have all reached the condition in the invention.
The spinneret orifice size of table 1a. embodiment 1
| Project | Parameter |
| The waist of A or B or C and high angle | 15° |
| The bc line | Two sections straightways connect |
The spinning technology parameter of table 1b. embodiment 1
| Condition | Parameter |
| Spinning temperature ℃ | 292 |
| Spinning speed m/min | 2850 |
| The spinnerets hole count | 96 |
| The blowing mode | The outer shroud blowing |
The performance of table 1c. embodiment 1 fiber
| Index | The result |
| Line density/dtex | 93.6 |
| Intensity/cN/dtex | 2.01 |
| Elongation/% | 130.5 |
| The fibre section | Approximate equilateral triangle, the limit is more straight |
Embodiment 2
The spinneret orifice that adopts is of a size of the data shown in the table 2a.Adopt fused mass directly spinning equipment, raw material PET, spinning technology parameter see table 2b, and the performance of fiber is like table 2c.Spinneret orifice and spinning technique have all adopted the condition in the invention, and fiber shape and performance have reached the condition in the invention.
The spinneret orifice size of table 2a. embodiment 2
| Project | Parameter |
| The waist of A or B or C and high angle | 5° |
| The bc line | Two sections straightways connect |
The spinning technology parameter of table 2b. embodiment 2
| Condition | Parameter |
| Spinning temperature ℃ | 298 |
| Spinning speed m/min | 3000 |
| The spinnerets hole count | 72 |
| The blowing mode | The outer shroud blowing |
The performance of table 2c. embodiment 2 fibers
| Index | The result |
| Line density/dtex | 125.1 |
| Intensity/cN/dtex | 2.12 |
| Elongation/% | 126.4 |
| The fibre section | Approximate equilateral triangle, the limit is more straight |
Embodiment 3
The spinneret orifice that adopts is of a size of the data shown in the table 3a.Adopt fused mass directly spinning equipment, raw material PET, spinning technology parameter see table 3b, and the performance of fiber is like table 3c.Spinneret orifice and spinning technique have all adopted the condition in the invention, and fiber shape and performance have reached the condition in the invention.
The spinneret orifice size of table 3a. embodiment 3
| Project | Parameter |
| The waist of A or B or C and high angle | 25° |
| The bc line | Two sections circular arc lines connect |
The spinning technology parameter of table 3b. embodiment 3
| Condition | Parameter |
| Spinning temperature ℃ | 284 |
| Spinning speed m/min | 2860 |
| The spinnerets hole count | 72 |
| The blowing mode | The outer shroud blowing |
The performance of table 3c. embodiment 3 fibers
| Index | The result |
| Line density/dtex | 95.6 |
| Intensity/cN/dtex | 2.06 |
| Elongation/% | 128.2 |
| The fibre section | Approximate equilateral triangle, the limit is more straight |
Embodiment 4
The spinneret orifice that adopts is of a size of the data shown in the table 4a.Adopt fused mass directly spinning equipment, raw material PET, spinning technology parameter see table 4b, and the performance of fiber is like table 4c.Spinneret orifice and spinning technique have all adopted the condition in the invention, and fiber shape and performance have reached the condition in the invention.
The spinneret orifice size of table 4a. embodiment 4
| Project | Parameter |
| The waist of A or B or C and high angle | 16° |
| The bc line | Two sections oval camber lines connect |
The spinning technology parameter of table 4b. embodiment 4
| Condition | Parameter |
| Spinning temperature ℃ | 290 |
| Spinning speed m/min | 2750 |
| The spinnerets hole count | 72 |
| The blowing mode | Lateral blowing |
The performance of table 4c. embodiment 4 fibers
| Index | The result |
| Line density/dtex | 36.6 |
| Intensity/cN/dtex | 2.08 |
| Elongation/% | 129.1 |
| The fibre section | Approximate equilateral triangle, the limit is more straight |
Embodiment 5
The spinneret orifice that adopts is of a size of the data shown in the table 5a.Adopt fused mass directly spinning equipment, raw material PET, online interpolation is antibiotic, uvioresistant, antistatic ingredient, and spinning technology parameter is seen table 5b, and the performance of fiber is like table 5c.Spinneret orifice and spinning technique have all adopted the condition in the invention, and fiber shape and performance have reached the condition in the invention.
The spinneret orifice size of table 5a. embodiment 5
| Project | Parameter |
| The waist of A or B or C and high angle | 16° |
| The bc line | Two sections circular arc lines connect |
The spinning technology parameter of table 5b. embodiment 5
| Condition | Parameter |
| Spinning temperature ℃ | 290 |
| Spinning speed m/min | 2750 |
| The spinnerets hole count | 72 |
| The blowing mode | The outer shroud blowing |
The performance of table 5c. embodiment 5 fibers
| Index | The result |
| Line density/dtex | 38.5 |
| Intensity/cN/dtex | 2.16 |
| Elongation/% | 130.6 |
| The fibre section | Approximate equilateral triangle, the limit is more straight |
| The fiber function | Antibiotic, uvioresistant, antistatic |
Embodiment 6
The spinneret orifice that adopts is of a size of the data shown in the table 6a.Adopt fused mass directly spinning equipment, raw material PET, the coloured black color component of online interpolation, spinning technology parameter is seen table 6b, the performance of fiber is like table 6c.Spinneret orifice and spinning technique have all adopted the condition in the invention, and fiber shape and performance have reached the condition in the invention.
The spinneret orifice size of table 6a. embodiment 6
The spinning technology parameter of table 6b. embodiment 6
| Condition | Parameter |
| Spinning temperature ℃ | 290 |
| Spinning speed m/min | 2750 |
| The spinnerets hole count | 72 |
| The blowing mode | The outer shroud blowing |
The performance of table 6c. embodiment 6 fibers
| Index | The result |
| Line density/dtex | 38.3 |
| Intensity/cN/dtex | 2.01 |
| Elongation/% | 128.2 |
| The fibre section | Approximate equilateral triangle, the limit is more straight |
| Fiber color | Black |
Embodiment 7
The spinneret orifice that adopts is of a size of the data shown in the table 7a.Adopt fused mass directly spinning equipment, raw material PET, online interpolation uvioresistant and coloured blue colour cell branch, spinning technology parameter see table 7b, and the performance of fiber is like table 7c.Spinneret orifice and spinning technique have all adopted the condition in the invention, and fiber shape and performance have reached the condition in the invention.
The spinneret orifice size of table 7a. embodiment 7
| Project | Parameter |
| The waist of A or B or C and high angle | 16° |
| The bc line | Two sections circular arc lines connect |
The spinning technology parameter of table 7b. embodiment 7
The performance of table 7c. embodiment 7 fibers
| Index | The result |
| Line density/dtex | 52.7 |
| Intensity/cN/dtex | 1.96 |
| Elongation/% | 126.8 |
| The fibre section | Approximate equilateral triangle, the limit is more straight |
| Fiber function and color | The blue look of uvioresistant |
Embodiment 8
The spinneret orifice that adopts is of a size of the data shown in the table 8a.Adopt fused mass directly spinning equipment, raw material PET, the antibiotic and coloured black color component of online interpolation, spinning technology parameter is seen table 8b, the performance of fiber is like table 8c.Spinneret orifice and spinning technique have all adopted the condition in the invention, and fiber shape and performance have reached the condition in the invention.
The spinneret orifice size of table 8a. embodiment 8
| Project | Parameter |
| The waist of A or B or C and high angle | 16° |
| The bc line | Two sections circular arc lines connect |
The spinning technology parameter of table 8b. embodiment 8
| Condition | Parameter |
| Spinning temperature ℃ | 290 |
| Spinning speed m/min | 2750 |
| The spinnerets hole count | 72 |
| The blowing mode | The outer shroud blowing |
The performance of table 8c. embodiment 8 fibers
| Index | The result |
| Line density/dtex | 46.2 |
| Intensity/cN/dtex | 2.01 |
| Elongation/% | 127.4 |
| The fibre section | Approximate equilateral triangle, the limit is more straight |
| Fiber function and color | Antibiotic black |
Embodiment 9
The spinneret orifice that adopts is of a size of the data shown in the table 9a.Adopt fused mass directly spinning equipment, raw material PET, the antistatic and coloured black color component of online interpolation, spinning technology parameter is seen table 9b, the performance of fiber is like table 9c.Spinneret orifice and spinning technique have all adopted the condition in the invention, and fiber shape and performance have reached the condition in the invention.
The spinneret orifice size of table 9a. embodiment 9
| Project | Parameter |
| The waist of A or B or C and high angle | 16° |
| The bc line | Two sections circular arc lines connect |
The spinning technology parameter of table 9b. embodiment 9
| Condition | Parameter |
| Spinning temperature ℃ | 290 |
| Spinning speed m/min | 2750 |
| The spinnerets hole count | 72 |
| The blowing mode | The outer shroud blowing |
The performance of table 9c. embodiment 9 fibers
| Index | The result |
| Line density/dtex | 38.2 |
| Intensity/cN/dtex | 2.06 |
| Elongation/% | 128.1 |
| The fibre section | Approximate equilateral triangle, the limit is more straight |
| Fiber function and color | Antistatic black |
Embodiment 10
The spinneret orifice that adopts is of a size of the data shown in the table 10a.Adopt fused mass directly spinning equipment, raw material PET, the antibiotic and uvioresistant component of online interpolation, spinning technology parameter is seen table 10b, the performance of fiber is like table 10c.Spinneret orifice and spinning technique have all adopted the condition in the invention, and fiber shape and performance have reached the condition in the invention.
The spinneret orifice size of table 10a. embodiment 10
| Project | Parameter |
| The waist of A or B or C and high angle | 18° |
| The bc line | Two sections circular arc line links |
The spinning technology parameter of table 10b. embodiment 10
| Condition | Parameter |
| Spinning temperature/℃ | 290 |
| Winding speed/m/min | 4500 |
| Rise a speed/m/min | 3600 |
| The spinnerets hole count | 36 |
| Wind-warm syndrome/℃ | 23 |
| Rheumatism (RH)/% | 65 |
The performance of FDY among the table 10c. embodiment 10
| Index | The result |
| Line density/dtex | 75 |
| Intensity/cN/dtex | 3.05 |
| Elongation/% | 16.72 |
| The fibre section | Approximate equilateral triangle, the limit is more straight |
| Fiber function and color | Antibiotic uvioresistant |
Embodiment 11
The spinneret orifice of usefulness is of a size of the data shown in the table 11a.Adopt single extruder type spinning machine, raw material PA6, spinning technology parameter see table 11b, and the performance of fiber is like table 11c.Spinneret orifice and spinning technique have all adopted the condition in the invention, and fiber shape and performance have reached the condition in the invention.
The spinneret orifice size of table 11a. embodiment 11
| Project | Parameter |
| The waist of A or B or C and high angle | 16° |
| The bc line | Two sections circular arc lines connect |
The spinning technology parameter of table 11b. embodiment 11
| Condition | Parameter |
| Spinning temperature ℃ | 265 |
| Spinning speed m/min | 4050 |
| Winding speed m/min | 5100 |
| The spinnerets hole count | 48 |
| The blowing mode | Lateral blowing |
The performance of table 11c. embodiment 11PA6FDY fiber
| Index | The result |
| Line density/dtex | 46.5 |
| Intensity/cN/dtex | 3.82 |
| Elongation/% | 40.6 |
| The fibre section | Approximate equilateral triangle, the limit is more straight |
Embodiment 12
The spinneret orifice of usefulness is of a size of the data shown in the table 12a.Adopt single extruder type spinning machine, raw material PET, spinning technology parameter see table 12b, and the performance of fiber is like table 12c.Spinneret orifice and spinning technique have all adopted the condition in the invention, and fiber shape and performance have reached the condition in the invention.
The spinneret orifice size of table 12a. embodiment 12
| Project | Parameter |
| The waist of A or B or C and high angle | 16° |
| The bc line | Two sections circular arc lines connect |
The spinning technology parameter of table 12b. embodiment 12
| Condition | Parameter |
| Spinning temperature ℃ | 275 |
| Spinning plate surface is apart from the distance c m of blowing window | 0.5 |
| Winding speed m/min | 2800 |
| The spinnerets hole count | 48 |
| The blowing mode | Lateral blowing |
The performance of table 12c. embodiment 12PET POY fiber
| Index | The result |
| Line density/dtex | 46.5 |
| Intensity/cN/dtex | 3.82 |
| Elongation/% | 40.6 |
| The fibre section | Approximate equilateral triangle, the limit is more straight |
Comparative Examples 1
The spinneret orifice that adopts is of a size of the data shown in the table 1a '.Adopt fused mass directly spinning equipment, raw material PET, spinning technology parameter see table 1b '.The performance of fiber is like table 1c '.Spinneret orifice has adopted the parameter that is different among the present invention, and spinning technology parameter is identical with embodiment 1.
Table 1a '. the spinneret orifice size of Comparative Examples 1
| Project | Parameter |
| The waist of A or B or C and high angle | 35° |
| The bc line | One section straightway |
Table 1b '. the spinning technology parameter of Comparative Examples 1
| Condition | Parameter |
| Spinning temperature ℃ | 292 |
| Spinning speed m/min | 2850 |
| The spinnerets hole count | 96 |
| The blowing mode | The outer shroud blowing |
Table 1c '. the performance of Comparative Examples 1 fiber
| Index | The result |
| Line density/dtex | 93.2 |
| Intensity/cN/dtex | 2.13 |
| Elongation/% | 131.2 |
| The fibre section | It is circular that integral body is tending towards, but slightly leg-of-mutton shadow, it is cambered outwards circular-arc that the limit becomes |
Comparative Examples 2
The spinneret orifice size that adopts is seen the data of table 2a '.Adopt fused mass directly spinning equipment, raw material PET, spinning technology parameter see table 2b ', and the performance of fiber is like table 2c '.Spinneret orifice has adopted the parameter among the embodiment 2, and significant change has taken place is 25cm to spinning plate surface apart from the distance of blowing window in the spinning technique, and draft process is identical with embodiment 2.
Table 2a '. the spinneret orifice size of Comparative Examples 2
| Project | Parameter |
| The waist of A or B or C and high angle | 5° |
| The bc line | Two sections straightways connect |
Table 2b '. the spinning technology parameter of Comparative Examples 2
| Condition | Parameter |
| Spinning temperature ℃ | 298 |
| Spinning speed m/min | 3000 |
| The spinnerets hole count | 72 |
| The blowing mode | The outer shroud blowing |
Table 2c '. the performance of Comparative Examples 2 fibers
| Index | The result |
| Line density/dtex | 125.6 |
| Intensity/cN/dtex | 2.08 |
| Elongation/% | 127.9 |
| The fibre section | It is circular that integral body is tending towards, but slightly leg-of-mutton shadow, it is cambered outwards circular-arc that the limit becomes |
Comparative Examples 3
The spinneret orifice that adopts is of a size of the data of embodiment 3, sees the data shown in the table 3a '.Adopt fused mass directly spinning equipment, raw material PET, spinning technology parameter see table 3b ', and the performance of fiber is like table 3c '.Spinneret orifice has adopted the design of embodiment 3, and spinning temperature is increased to 320 ℃ in the spinning technique, and other technology has all adopted the condition of embodiment 3.
Table 3a '. the spinneret orifice size of Comparative Examples 3
| Project | Parameter |
| The waist of A or B or C and high angle | 25° |
| The bc line | Two sections circular arc lines connect |
Table 3b '. the spinning technology parameter of Comparative Examples 3
| Condition | Parameter |
| Spinning temperature ℃ | 320 |
| Spinning speed m/min | 2860 |
| The spinnerets hole count | 72 |
| The blowing mode | The outer shroud blowing |
Table 3c '. the performance of Comparative Examples 3 fibers
| Index | The result |
| Line density/dtex | 95.1 |
| Intensity/cN/dtex | 2.02 |
| Elongation/% | 130.6 |
| The fibre section | It is circular that integral body is tending towards, but slightly leg-of-mutton shadow, it is cambered outwards circular-arc that the limit becomes |
Comparative Examples 4
The spinneret orifice that adopts is of a size of the data of embodiment 2, sees the data shown in the table 4a '.Adopt fused mass directly spinning equipment, raw material PET, spinning technology parameter see table 4b ', and the performance of fiber is like table 4c '.Spinneret orifice adopts and is different from design of the present invention, and other technology has all adopted the condition of embodiment 2.
Table 4a '. the spinneret orifice size of Comparative Examples 4
| Project | Parameter |
| The waist of A or B or C and high angle | 3° |
| The bc line | Two sections straightways connect |
Table 4b '. the spinning technology parameter of Comparative Examples 4
| Condition | Parameter |
| Spinning temperature ℃ | 298 |
| Spinning speed m/min | 3000 |
| The spinnerets hole count | 72 |
| The blowing mode | The outer shroud blowing |
Table 4c '. the performance of Comparative Examples 4 fibers
| Index | The result |
| Line density/dtex | 125.6 |
| Intensity/cN/dtex | 2.08 |
| Elongation/% | 126.8 |
| The fibre section | The limit of approximate equilateral triangle concaves obviously, and integral body is trilobal, has lost the form of equilateral triangle |
Claims (9)
1. spinnerets that the profiled fibre spinning is used; It is characterized in that: the spinneret orifice of said spinnerets is a trilobal; To be mutually x, y and the z axial symmetry of 120 degree angles; Base with minimum external isosceles triangle A, B and the C of three leaves is formed by connecting, and forms an equilateral triangle D, and the waist of A or B or C and high angle are 5～25 °; The outline line bc line of leaf be in straight line, the conic section two or more, two sections or multistage and in the external isosceles triangle of minimum, be formed by connecting, the outline line ab line of leaf and cd line are the curve that seamlessly transits.
2. spinnerets according to claim 1; It is characterized in that: the outline line bc line of leaf is that two kinds among the straight line collection y=E+F*x connect to form, and the outline line ab line of leaf and cd line are the curve that seamlessly transits, wherein; Y is the ordinate in the rectangular coordinate system; X is the abscissa in the rectangular coordinate system, and E is the intercept of straight line on ordinate, and F is a slope;
Perhaps the outline line bc line of leaf is a conic section circle line collection (x-G)
2+ (y-H)
2=I
2In two or more, two sections or multistage and smooth connection form, the outline line ab line of leaf and cd line are the curve that seamlessly transits, wherein, y is the ordinate in the rectangular coordinate system, x is the abscissa in the rectangular coordinate system, (G H) is centre coordinate, and I is a radius of circle;
Perhaps the outline line bc line of leaf is a conic section ellipse collection (x-J)
2/ K
2+ (y-L)
2/ M
2In=1 two or more, two sections or multistage smooth connection composition, the outline line ab line of leaf and cd line are the curve that seamlessly transits, wherein; Y is the ordinate in the rectangular coordinate system, and x is the abscissa in the rectangular coordinate system, (J; L) be centre coordinate, K is that major axis is long, and M is that minor axis is long.
3. the preparation method of a profiled fibre comprises that melt polymerization, pipeline are carried and the spinnerets ejection, and it is characterized in that: described spinnerets is the spinnerets that claim 1 or 2 described profiled fibre spinning are used.
4. preparation method according to claim 3 is characterized in that: described preparation method at preparation preorientation fiber, full drawing of fiber, or have antibiotic, uvioresistant or the functional fibre of anti-static function or the application aspect the colored fibre.
5. preparation method according to claim 4 is characterized in that: described preparation method preparation have simultaneously antibiotic, uvioresistant, anti-static function or coloured in the fiber of at least two kinds of characteristics aspect application.
6. preparation method according to claim 4 is characterized in that: described preorientation fiber is a polyester preorientation fiber, and described full drawing of fiber is full drawing of fiber of polyester or the full drawing of fiber of polyamide.
7. preparation method according to claim 6 is characterized in that: when preparation polyester preorientation fiber, and 265～300 ℃ of spinning temperatures, spinning plate surface is 0～20cm apart from the distance of blowing window, winding speed is 2200～3800m/min;
When the full drawing of fiber of preparation polyester, spinning speed 500～2000m/min, draw speed 2000～8000m/min;
When the full drawing of fiber of preparation polyamide, 250～290 ℃ of spinning temperatures, spinning speed 4000～4500m/min, winding speed are 5000～6000m/min.
8. preparation method according to claim 7 is characterized in that: when preparation polyester preorientation fiber, and 275～295 ℃ of spinning speeds, spinning plate surface is 0.5～10cm apart from the distance of blowing window, winding speed is 2500～3500m/min.
9. preparation method according to claim 6 is characterized in that: described polyester is PETG, polytrimethylene terephthalate or polybutylene terephthalate (PBT); Described polyamide is polyamide 6 or polyamide 66.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103125154A CN101798712B (en) | 2009-12-29 | 2009-12-29 | Spinneret plate, preparation method of profiled filament processed by utilizing same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103125154A CN101798712B (en) | 2009-12-29 | 2009-12-29 | Spinneret plate, preparation method of profiled filament processed by utilizing same |
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| CN101798712B true CN101798712B (en) | 2012-05-23 |
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| CN102162144A (en) * | 2011-03-30 | 2011-08-24 | 仪征市中兴涤纶纤维厂 | One-step method of making terylene lustrous slub yarn fiber used in home textile transparent curtain |
| CN102828263A (en) * | 2012-08-16 | 2012-12-19 | 江苏好易纺织科技有限公司 | High-resilience brightening polyester BCF (bulk continuous filament) yarn for special use and preparation method |
| CN102828264A (en) * | 2012-08-16 | 2012-12-19 | 江苏好易纺织科技有限公司 | Composite special-shaped spinning device for producing high-brightness high-resilience terylene BCF (Bulked Continuous Filament) |
| CN103866405B (en) * | 2012-12-18 | 2017-04-05 | 中国纺织科学研究院 | A kind of high density holes profiled filaments and preparation method thereof |
| CN104032391A (en) * | 2014-05-09 | 2014-09-10 | 南通醋酸纤维有限公司 | Spinneret plate for diacetate fiber yarn |
| CN113529188A (en) * | 2020-04-20 | 2021-10-22 | 东丽合成纤维（南通）有限公司 | High-brightness bright processing yarn and preparation method thereof |
| KR102155061B1 (en) * | 2020-05-20 | 2020-09-11 | (주)씨와이씨 | Extruding Nozzle for Artificial Hair and Artificial Hair Manufactured using it |
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