CN104963013A - Anti-perspective DTY fiber and preparation method thereof - Google Patents
Anti-perspective DTY fiber and preparation method thereof Download PDFInfo
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- CN104963013A CN104963013A CN201510289619.3A CN201510289619A CN104963013A CN 104963013 A CN104963013 A CN 104963013A CN 201510289619 A CN201510289619 A CN 201510289619A CN 104963013 A CN104963013 A CN 104963013A
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- 239000000835 fiber Substances 0.000 title claims abstract description 142
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 45
- 229920000642 polymer Polymers 0.000 claims abstract description 37
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 76
- 238000009987 spinning Methods 0.000 claims description 52
- 241000675108 Citrus tangerina Species 0.000 claims description 45
- 238000002844 melting Methods 0.000 claims description 34
- 230000008018 melting Effects 0.000 claims description 34
- 238000007664 blowing Methods 0.000 claims description 18
- 239000000155 melt Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 239000004952 Polyamide Substances 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 12
- 229920002647 polyamide Polymers 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 9
- 239000004744 fabric Substances 0.000 abstract description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000704 physical effect Effects 0.000 abstract 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 22
- 229920000139 polyethylene terephthalate Polymers 0.000 description 21
- 239000004753 textile Substances 0.000 description 10
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000000873 masking effect Effects 0.000 description 4
- 241001278264 Fernandoa adenophylla Species 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 241000272525 Anas platyrhynchos Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920000433 Lyocell Polymers 0.000 description 1
- 241000254043 Melolonthinae Species 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229920006253 high performance fiber Polymers 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000000554 physical therapy Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
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- Multicomponent Fibers (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention relates to an anti-perspective DTY fiber and a preparation method thereof; the anti-perspective DTY fiber is a non-peeling orange petal two-component composite fiber, wherein the non-peeling means that the two components are good in compatibility; the two components comprise a polymer and the polymer containing 5-16wt%TiO2, wherein the the polymer containing 5-16wt%TiO2 takes 6-30wt% of the anti-perspective DTY fiber; the anti-perspective DTY fiber is a round fiber, the polymer containing 5-16wt%TiO2 is arranged in a sector starting from the center, and a semidiameter of the sector equals to 4/5-11/12 of that of the anti-perspective DTY fiber; opacity of the anti-perspective DTY fiber reaches 99-100%. The anti-perspective DTY fiber is high in opacity, has almost same physical property index with normal fibers, and fabricated cloth is obvious in shield effect, thus greatly reducing visible light transmission, and transmission visible light becomes almost zero.
Description
Technical field
The invention belongs to technical field, relate to a kind of anti-perspective DTY fiber and preparation method thereof.
Background technology
The technological innovation developing into traditional textile industry of functional fibre, fibre in differentiation and high-performance fiber, the conversion to high-tech industry creates advantage, for mankind's growth in the living standard contributes.Functional fibre refers to except the physical and mechanical properties that general fiber has, and also has the tencel of certain specific function, is the fiber meeting certain particular/special requirement and purposes, and namely fiber has certain specific physics and chemistry character.The output of conventional chemical fiber can satisfy social needs substantially, but also has many deficiencies in performance, can not meet consumer demand.Such as, all need to be improved some function of fiber taking in the physiological comfortableness of fiber wearing process, the comfortable and convenience of human motion process, security and durability and environmental protection.Such as: fiber has health care function (antibacterial, kill mite, physiotherapy and eliminate the unusual smell); Safeguard function (radiation proof, antistatic, uvioresistant etc.); The wet comfortable function (heat absorption, heat release, moisture absorption, moisture releasing etc.) of heat; Medical treatment and environment-friendly function (biocompatibility and biological degradability).
The most basic performance requirement of textiles is " resisting cold " and " covering body ".So-called " covering body " is exactly require that textiles has good perceptual masking performance.There is not perceptual masking problem in dark heavily fabric, but summer light color cloister fabric, particularly white facestock ubiquity underwear and body skin expose problem to the open air, cause dressing person's outward appearance indecency, easily cause the embarrassment that underwear and skin easily expose.As pressed international practice, naval officers and men should wear white uniform in summer, and for avoiding the underwear of white garments to expose problem to the open air, the heavily fabrics such as naval of various countries many employings polyester-cotton blend chafer duck take fabric as the summer, and comfortableness is poor.Some naval of African country, selects more frivolous fabric, but underwear exposes to the open air seriously, sack cloth exposes to the open air obviously, object is shown in pocket, affects soldier's discipline, appearance and bearing style and features.Naval's colour prime white clothes of China previous generation are had to install lining additional or are added and wear terylene and spin underpants and expose to the open air to avoid underwear and body skin, but snugness of fit is very poor; Also have in curtain and masking material field, also need privacy and the light temperature modulability of protecting room with the textiles that anti-perspective is effective.Except naval's shirt, jumper, customs's uniform, medical personnel's uniform etc., because the usage of trade or international practice are also generally white, dark color can not be adopted, thick and heavy fabric solves perspective problem, solution of can only starting with from fiber, yarn and the aspect such as fabric construction and coating thereof.
Can reflect after light is irradiated to textiles, absorb, scattering, refraction and transmission, the reverberation after the light of wherein transmission arrives target object experiences same process at textiles reverse side.The Research Thinking realizing textiles perceptual masking effect is, increases textiles as much as possible to the reflection of visible ray, absorption, scattering, reduces the light quantity through textiles.Concrete methods of realizing can comprise the change of fibre section shape, the setting of fabric construction parameters, the interpolation, coating Final finishing etc. of related auxiliaries.Prior art mainly carrys out anti-perspective by coating hindlimb unload, and for taking textiles, coating Final finishing affects its snugness of fit, as the impact etc. on gas permeability.The regulating degree of adjustment to this property of fabric vision of Final finishing and fabric construction is limited simultaneously, and durability is not enough.
Summary of the invention
Due to the problems referred to above that prior art exists, the object of the invention is to propose a kind of anti-perspective DTY fiber and preparation method thereof.
For achieving the above object, the present invention is solved by following technical scheme:
The anti-perspective DTY fiber of one of the present invention, described anti-perspective DTY fiber is non-peel-away tangerine lobe shape bi-component composite fiber, and described non-peel-away refers to that the compatibility of two component is good; Described pair of component is respectively high polymer and contains 5 ~ 16wt%TiO
2this high polymer, wherein containing 5 ~ 16wt%TiO
2this high polymer account for 6 ~ 30wt% of described anti-perspective DTY fiber; Described anti-perspective DTY fiber is circular fiber, describedly contains 5 ~ 16wt%TiO
2this high polymer take the center of circle as starting point be fan-shaped distribution, described fan-shaped radius is 4/5 ~ 11/12 of described anti-perspective DTY fiber radius; The opacity of described anti-perspective DTY fiber reaches 99% ~ 100%.
As preferred technical scheme:
The anti-perspective DTY fiber of one of the present invention, is describedly fan-shapedly distributed as even circumferential distribution, and describedly contains 5 ~ 16wt%TiO
2this high polymer all fan-shaped identical.
The anti-perspective DTY fiber of one of the present invention, describedly contains 5 ~ 16wt%TiO
2the single fan-shaped central angle of this high polymer be 3 ~ 10 °.
The anti-perspective DTY fiber of one of the present invention, describedly contains 5 ~ 16wt%TiO
2the fan-shaped quantity of this high polymer be 3 ~ 10.
The anti-perspective DTY fiber of one of the present invention, the filament number of described anti-perspective DTY fiber is 1 ~ 5dtex.
The preparation method of a kind of anti-perspective DTY fiber of the present invention, component A is high polymer, and B component is for containing 5 ~ 16wt%TiO
2this high polymer, then component A and B component are carried out melting tangerine lobe composite spinning by DTY technique, reel, add bullet, namely obtain described anti-perspective DTY fiber.
The preparation method of a kind of anti-perspective DTY fiber of the present invention, the process conditions of described melting tangerine lobe composite spinning are: spinning temperature component A is 285 ± 1 DEG C, and B component is 288 ± 1 DEG C; Lateral blowing wind speed 0.50 ± 0.05m/s, lateral blowing temperature 23 ± 21 DEG C; GR
1speed 1050 ± 3m/min, GR
1temperature 86 ± 1 DEG C; GR
2speed 4260 ± 3m/min, GR
2temperature 130 ± 1 DEG C; Winding head speed 4200 ± 3m/min; When starting spinning, first open the measuring pump of B component, after B component discharge is normal, opens the measuring pump of component A again; Melt pressure 1.0 ~ the 2.0MPa higher than the melt pressure of component A of B component.Guarantee that B component is to component A diffusion, make the longitudinal direction of fiber keep the continuity of B component.
The preparation method of a kind of anti-perspective DTY fiber of the present invention, described melting tangerine lobe composite spinning the depth-width ratio of slit of boss be 8 ~ 10:1.The depth-width ratio normally 2:1 of prior art, considers the high 1.0 ~ 2.0MPa of pressure ratio component A that will make B component, so improve the depth-width ratio of the slit of boss, guarantees the foundation of pressure and the proper flow of melt.
The preparation method of a kind of anti-perspective DTY fiber of the present invention, the melt pressure of described component A is 6.0 ~ 7.0MPa.
Beneficial effect
Anti-perspective DTY fiber of the present invention, opacity is high, physical index and conventional fibre very nearly the same; The fabric shaded effect be made into is obvious, significantly decreases the transmission of visible ray, makes visible light transmissive almost nil.
The present invention, under the prerequisite ensureing spinnability and fabric integer mechanical property, reduces the consumption of high content of titanium dioxide component, simple and easy to do, is convenient to Industry Promotion.Method of the present invention, uses for reference tangerine lobe spining technology, reliably effectively.
Accompanying drawing explanation
Fig. 1 is the distribution plate sectional view in one embodiment of the invention
Fig. 2 is the distribution plate boss upward view in one embodiment of the invention
Fig. 3 is the schematic cross-section of the anti-perspective DTY fiber in one embodiment of the invention
Fig. 4 is the distribution plate sectional view in another embodiment of the present invention
Fig. 5 is the distribution plate boss upward view in another embodiment of the present invention
Fig. 6 is the schematic cross-section of the anti-perspective DTY fiber in another embodiment of the present invention
Fig. 7 is the distribution plate sectional view in yet another embodiment of the invention
Fig. 8 is the distribution plate boss upward view in yet another embodiment of the invention
Fig. 9 is the schematic cross-section of the anti-perspective DTY fiber in yet another embodiment of the invention
Figure 10 is the distribution plate sectional view in yet another embodiment of the invention
Figure 11 is the distribution plate boss upward view in yet another embodiment of the invention
Figure 12 is the schematic cross-section of the anti-perspective DTY fiber in yet another embodiment of the invention
Wherein, a is the flow path of component A, and b is the flow path of B component, and A refers to component A, and B refers to B component.
Detailed description of the invention
Below in conjunction with detailed description of the invention, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
The anti-perspective DTY fiber of one of the present invention, anti-perspective DTY fiber is non-peel-away tangerine lobe shape bi-component composite fiber, and non-peel-away refers to that the compatibility of two component is good; Two component is respectively high polymer and contains 5 ~ 16wt%TiO
2this high polymer, wherein containing 5 ~ 16wt%TiO
2this high polymer account for 6 ~ 30wt% of anti-perspective DTY fiber; Anti-perspective DTY fiber is circular fiber, containing 5 ~ 16wt%TiO
2this high polymer take the center of circle as starting point be fan-shaped distribution, fan-shaped radius is 4/5 ~ 11/12 of anti-perspective DTY fiber radius; The opacity of anti-perspective DTY fiber reaches 99% ~ 100%.
Wherein the fan-shaped even circumferential that is distributed as distributes, and containing 5 ~ 16wt%TiO
2this high polymer all fan-shaped identical; Containing 5 ~ 16wt%TiO
2the single fan-shaped central angle of this high polymer be 3 ~ 10 °; Containing 5 ~ 16wt%TiO
2the fan-shaped quantity of this high polymer be 3 ~ 10; The filament number of anti-perspective DTY fiber is 1 ~ 5dtex.
Embodiment 1
A preparation method for anti-perspective DTY fiber, contains 5wt%TiO by component PET and component
2pET carry out melting tangerine lobe composite spinning, the process conditions of melting tangerine lobe composite spinning are: spinning temperature component PET is 284 DEG C, and component contains 5wt%TiO
2pET be 287 DEG C; Lateral blowing wind speed 0.450m/s, lateral blowing temperature 2 DEG C; GR
1speed 1047m/min, GR
1temperature 85 DEG C; GR
2speed 4257m/min, GR
2temperature 129 DEG C; Winding head speed 4197m/min; When starting spinning, first open component and contain 5wt%TiO
2the measuring pump of PET, treat that component contains 5wt%TiO
2pET discharge normal after open the measuring pump of component PET again, the melt pressure of component PET is 6.0MPa, and component contains 5wt%TiO
2the melt pressure of PET than the melt pressure height 1.0MPa of component PET, the depth-width ratio of the slit of the distribution plate boss of melting tangerine lobe composite spinning is 8:1 (as illustrated in fig. 1 and 2), after melting tangerine lobe composite spinning, reel, add bullet, namely anti-perspective DTY fiber is obtained, it is non-peel-away tangerine lobe shape bi-component composite fiber, and non-peel-away refers to that the compatibility of two component is good; Anti-perspective DTY fiber is circular fiber, containing 5wt%TiO
2this high polymer take the center of circle as starting point be fan-shaped distribution, fan-shaped radius is 4/5 of anti-perspective DTY fiber radius, and component contains 5wt%TiO
2pET all fan-shaped identical; Wherein component contains 5wt%TiO
2pET account for the 6wt% of anti-perspective DTY fiber; Component contains 5wt%TiO
2the single fan-shaped central angle of PET be 10 °, quantity is 3 (as shown in Figure 3); The filament number of anti-perspective DTY fiber is 1dtex, and the opacity of anti-perspective DTY fiber reaches 99%.
Embodiment 2
A preparation method for anti-perspective DTY fiber, contains 16wt%TiO by component PBT and component
2pBT carry out melting tangerine lobe composite spinning, the process conditions of melting tangerine lobe composite spinning are: spinning temperature component PBT is 286 DEG C, and component contains 16wt%TiO
2pBT be 289 DEG C; Lateral blowing wind speed 0.55m/s, lateral blowing temperature 44 DEG C; GR
1speed 1053m/min, GR
1temperature 87 DEG C; GR
2speed 4257m/min, GR
2temperature 131 DEG C; Winding head speed 4203m/min; When starting spinning, first open component and contain 16wt%TiO
2the measuring pump of PBT, treat that component contains 16wt%TiO
2pBT discharge normal after open the measuring pump of PBT again, the melt pressure of component PBT is 7.0MPa, and component contains 16wt%TiO
2the melt pressure of PBT than the melt pressure height 2.0MPa of component PBT, the depth-width ratio of the slit of the distribution plate boss of melting tangerine lobe composite spinning is 10:1 (as shown in Figures 4 and 5), after melting tangerine lobe composite spinning, reel, add bullet, namely anti-perspective DTY fiber is obtained, it is non-peel-away tangerine lobe shape bi-component composite fiber, and non-peel-away refers to that the compatibility of two component is good; Anti-perspective DTY fiber is circular fiber, containing 16wt%TiO
2this high polymer take the center of circle as starting point be fan-shaped distribution, fan-shaped radius is 4/5 of anti-perspective DTY fiber radius, and component contains 16wt%TiO
2pBT all fan-shaped identical; Wherein component contains 16wt%TiO
2pBT account for the 21wt% of anti-perspective DTY fiber; Component contains 16wt%TiO
2the single fan-shaped central angle of PBT be 8 °, quantity is 4 (as shown in Figure 6); The filament number of anti-perspective DTY fiber is 5dtex, and the opacity of anti-perspective DTY fiber reaches 100%.
Embodiment 3
A preparation method for anti-perspective DTY fiber, contains 10wt%TiO by component PTT and component
2pTT carry out melting tangerine lobe composite spinning, the process conditions of melting tangerine lobe composite spinning are: spinning temperature component PTT is 285 DEG C, and component contains 10wt%TiO
2pTT be 288 DEG C; Lateral blowing wind speed 0.50m/s, lateral blowing temperature 23 DEG C; GR
1speed 1050m/min, GR
1temperature 86 DEG C; GR
2speed 4260m/min, GR
2temperature 130 DEG C; Winding head speed 4200m/min; When starting spinning, first open component and contain 10wt%TiO
2the measuring pump of PTT, treat that component contains 10wt%TiO
2pTT discharge normal after open the measuring pump of component PTT again, the melt pressure of component PTT is 6.5MPa, and component contains 10wt%TiO
2the melt pressure of PTT than the melt pressure height 1.5MPa of component PTT, the depth-width ratio of the slit of the distribution plate boss of melting tangerine lobe composite spinning is 9:1 (as shown in FIG. 7 and 8), after melting tangerine lobe composite spinning, reel, add bullet, namely anti-perspective DTY fiber is obtained, it is non-peel-away tangerine lobe shape bi-component composite fiber, and non-peel-away refers to that the compatibility of two component is good; Anti-perspective DTY fiber is circular fiber, containing 10wt%TiO
2this high polymer take the center of circle as starting point be fan-shaped distribution, fan-shaped radius is 4/5 of anti-perspective DTY fiber radius, and component contains 10wt%TiO
2pTT all fan-shaped identical; Wherein component contains 10wt%TiO
2pTT account for the 20wt% of anti-perspective DTY fiber; Component contains 10wt%TiO
2the single fan-shaped central angle of PTT be 6 °, quantity is 6 (as shown in Figure 9); The filament number of anti-perspective DTY fiber is 3dtex, and the opacity of anti-perspective DTY fiber reaches 99.5%.
Embodiment 4
A preparation method for anti-perspective DTY fiber, contains 8wt%TiO by component polyamide and component
2polyamide carry out melting tangerine lobe composite spinning, the process conditions of melting tangerine lobe composite spinning are: spinning temperature component polyamide is 286 DEG C, and component contains 8wt%TiO
2polyamide be 289 DEG C; Lateral blowing wind speed 0.52m/s, lateral blowing temperature 33 DEG C; GR
1speed 1052m/min, GR
1temperature 87 DEG C; GR
2speed 4258m/min, GR
2temperature 131 DEG C; Winding head speed 4201m/min; When starting spinning, first open component and contain 8wt%TiO
2the measuring pump of polyamide, treat that component contains 8wt%TiO
2polyamide discharge normal after open the measuring pump of component polyamide again, the melt pressure of component polyamide is 6.8MPa, and component contains 8wt%TiO
2the melt pressure of polyamide than the melt pressure height 1.2MPa of component polyamide, the depth-width ratio of the slit of the distribution plate boss of melting tangerine lobe composite spinning is 10:1 (as shown in FIG. 10 and 11), after melting tangerine lobe composite spinning, reel, add bullet, namely anti-perspective DTY fiber is obtained, it is non-peel-away tangerine lobe shape bi-component composite fiber, and non-peel-away refers to that the compatibility of two component is good; Anti-perspective DTY fiber is circular fiber, containing 8wt%TiO
2this high polymer take the center of circle as starting point be fan-shaped distribution, fan-shaped radius is 4/5 of described anti-perspective DTY fiber radius, and component contains 8wt%TiO
2polyamide all fan-shaped identical; Wherein component contains 8wt%TiO
2polyamide account for the 20wt% of anti-perspective DTY fiber; Component contains 8wt%TiO
2the single fan-shaped central angle of polyamide be 3 °, quantity is 8 (as shown in figure 12); The filament number of anti-perspective DTY fiber is 2dtex, and the opacity of anti-perspective DTY fiber reaches 99.8%.
Embodiment 5
A preparation method for anti-perspective DTY fiber, contains 12wt%TiO by component PET and component
2pET carry out melting tangerine lobe composite spinning, the process conditions of melting tangerine lobe composite spinning are: spinning temperature component PET is 284 DEG C, and component contains 12wt%TiO
2pET be 287 DEG C; Lateral blowing wind speed 0.450m/s, lateral blowing temperature 2 DEG C; GR
1speed 1047m/min, GR
1temperature 85 DEG C; GR
2speed 4257m/min, GR
2temperature 129 DEG C; Winding head speed 4197m/min; When starting spinning, first open component and contain 12wt%TiO
2the measuring pump of PET, treat that component contains 12wt%TiO
2pET discharge normal after open the measuring pump of component PET again, the melt pressure of component PET is 6.0MPa, and component contains 12wt%TiO
2the melt pressure of PET than the melt pressure height 1.0MPa of component PET, the depth-width ratio of the slit of the distribution plate boss of melting tangerine lobe composite spinning is 8:1 (as illustrated in fig. 1 and 2), after melting tangerine lobe composite spinning, reel, add bullet, namely anti-perspective DTY fiber is obtained, it is non-peel-away tangerine lobe shape bi-component composite fiber, and non-peel-away refers to that the compatibility of two component is good; Anti-perspective DTY fiber is circular fiber, containing 12wt%TiO
2this high polymer take the center of circle as starting point be fan-shaped distribution, fan-shaped radius is 4/5 ~ 11/12 of described anti-perspective DTY fiber radius, and component contains 12wt%TiO
2pET all fan-shaped identical; Wherein component contains 12wt%TiO
2pET account for the 8wt% of anti-perspective DTY fiber; Component contains 12wt%TiO
2the single fan-shaped central angle of PET be 10 °, quantity is 3 (as shown in Figure 3); The filament number of anti-perspective DTY fiber is 1dtex, and the opacity of anti-perspective DTY fiber reaches 99.2%.
Embodiment 6
A preparation method for anti-perspective DTY fiber, contains 15wt%TiO by component PBT and component
2pBT carry out melting tangerine lobe composite spinning, the process conditions of melting tangerine lobe composite spinning are: spinning temperature component PBT is 286 DEG C, and component contains 15wt%TiO
2pBT be 289 DEG C; Lateral blowing wind speed 0.55m/s, lateral blowing temperature 44 DEG C; GR
1speed 1053m/min, GR
1temperature 87 DEG C; GR
2speed 4257m/min, GR
2temperature 131 DEG C; Winding head speed 4203m/min; When starting spinning, first open component and contain 15wt%TiO
2the measuring pump of PBT, treat that component contains 15wt%TiO
2pBT discharge normal after open the measuring pump of PBT again, the melt pressure of component PBT is 7.0MPa, and component contains 15wt%TiO
2the melt pressure of PBT than the melt pressure height 2.0MPa of component PBT, the depth-width ratio of the slit of the distribution plate boss of melting tangerine lobe composite spinning is 10:1 (as shown in Figures 4 and 5), after melting tangerine lobe composite spinning, reel, add bullet, namely anti-perspective DTY fiber is obtained, it is non-peel-away tangerine lobe shape bi-component composite fiber, and non-peel-away refers to that the compatibility of two component is good; Anti-perspective DTY fiber is circular fiber, containing 15wt%TiO
2this high polymer take the center of circle as starting point be fan-shaped distribution, fan-shaped radius is 4/5 of described anti-perspective DTY fiber radius, and namely component PBT's is all fan-shaped identical, and component contains 15wt%TiO
2pBT all fan-shaped identical; Wherein component contains 15wt%TiO
2pBT account for the 16wt% of anti-perspective DTY fiber; Component contains 15wt%TiO
2the single fan-shaped central angle of PBT be 8 °, quantity is 4 (as shown in Figure 6); The filament number of anti-perspective DTY fiber is 5dtex, and the opacity of anti-perspective DTY fiber reaches 100%.
Embodiment 7
A preparation method for anti-perspective DTY fiber, contains 12wt%TiO by component PET and component
2pET carry out melting tangerine lobe composite spinning, the process conditions of melting tangerine lobe composite spinning are: spinning temperature component PET is 284 DEG C, and component contains 12wt%TiO
2pET be 287 DEG C; Lateral blowing wind speed 0.450m/s, lateral blowing temperature 2 DEG C; GR
1speed 1047m/min, GR
1temperature 85 DEG C; GR
2speed 4257m/min, GR
2temperature 129 DEG C; Winding head speed 4197m/min; When starting spinning, first open component and contain 12wt%TiO
2the measuring pump of PET, treat that component contains 12wt%TiO
2pET discharge normal after open the measuring pump of component PET again, the melt pressure of component PET is 6.0MPa, and component contains 12wt%TiO
2the melt pressure of PET than the melt pressure height 1.0MPa of component PET, the depth-width ratio of the slit of the distribution plate boss of melting tangerine lobe composite spinning is 8:1, after melting tangerine lobe composite spinning, reel, add bullet, namely anti-perspective DTY fiber is obtained, it is non-peel-away tangerine lobe shape bi-component composite fiber, and non-peel-away refers to that the compatibility of two component is good; Anti-perspective DTY fiber is circular fiber, containing 12wt%TiO
2this high polymer take the center of circle as starting point be fan-shaped distribution, fan-shaped radius is 4/5 ~ 11/12 of described anti-perspective DTY fiber radius, and component contains 12wt%TiO
2pET all fan-shaped identical; Wherein component contains 12wt%TiO
2pET account for the 30wt% of anti-perspective DTY fiber; Component contains 12wt%TiO
2the single fan-shaped central angle of PET be 10 °, quantity is 10; The filament number of anti-perspective DTY fiber is 1dtex, and the opacity of anti-perspective DTY fiber reaches 99.2%.
Claims (10)
1. an anti-perspective DTY fiber, is characterized in that: described anti-perspective DTY fiber is non-peel-away tangerine lobe shape bi-component composite fiber, and described non-peel-away refers to that the compatibility of two component is good; Described pair of component is respectively high polymer and contains 5 ~ 16wt%TiO
2this high polymer, wherein containing 5 ~ 16wt%TiO
2this high polymer account for 6 ~ 30wt% of described anti-perspective DTY fiber; Described anti-perspective DTY fiber is circular fiber, describedly contains 5 ~ 16wt%TiO
2this high polymer take the center of circle as starting point be fan-shaped distribution, described fan-shaped radius is 4/5 ~ 11/12 of described anti-perspective DTY fiber radius; The opacity of described anti-perspective DTY fiber reaches 99% ~ 100%.
2. the anti-perspective DTY fiber of one according to claim 1, is characterized in that, described high polymer is PET, PBT, PTT or polyamide.
3. the anti-perspective DTY fiber of one according to claim 1, is characterized in that, is describedly fan-shapedly distributed as even circumferential distribution, and describedly contains 5 ~ 16wt%TiO
2this high polymer all fan-shaped identical.
4. the anti-perspective DTY fiber of one according to claim 1, is characterized in that, describedly contains 5 ~ 16wt%TiO
2the single fan-shaped central angle of this high polymer be 3 ~ 10 °.
5. the anti-perspective DTY fiber of one according to claim 1, is characterized in that, describedly contains 5 ~ 16wt%TiO
2the fan-shaped quantity of this high polymer be 3 ~ 10.
6. the anti-perspective DTY fiber of one according to claim 1, is characterized in that, the filament number of described anti-perspective DTY fiber is 1 ~ 5dtex.
7. a preparation method for anti-perspective DTY fiber, is characterized in that: component A is high polymer, and B component is for containing 5 ~ 16wt%TiO
2this high polymer, then component A and B component are carried out melting tangerine lobe composite spinning by DTY technique, reel, add bullet, namely obtain described anti-perspective DTY fiber.
8. the preparation method of a kind of anti-perspective DTY fiber according to claim 7, is characterized in that, the process conditions of described melting tangerine lobe composite spinning are: spinning temperature component A is 285 ± 1 DEG C, and B component is 288 ± 1 DEG C; Lateral blowing wind speed 0.50 ± 0.05m/s, lateral blowing temperature 23 ± 21 DEG C; GR
1speed 1050 ± 3m/min, GR
1temperature 86 ± 1 DEG C; GR
2speed 4260 ± 3m/min, GR
2temperature 130 ± 1 DEG C; Winding head speed 4200 ± 3m/min; When starting spinning, first open the measuring pump of B component, after B component discharge is normal, opens the measuring pump of component A again; Melt pressure 1.0 ~ the 2.0MPa higher than the melt pressure of component A of B component.
9. the preparation method of a kind of anti-perspective DTY fiber according to claim 7, is characterized in that, described melting tangerine lobe composite spinning the depth-width ratio of slit of boss be 8 ~ 10:1.
10. the preparation method of a kind of anti-perspective DTY fiber according to claim 7, is characterized in that, the melt pressure of described component A is 6.0 ~ 7.0MPa.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829158A (en) * | 2017-11-03 | 2018-03-23 | 宁波奉化飞天人精密模具设计有限公司 | A kind of corner star-shaped fibers |
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