TFY fiber spun yarn and production process thereof
By using rutile titanium dioxide powder with a particle size of 10-50nm in the spinning process, combined with pretreatment and melt spinning processes, the problem of uniform dispersion of nano-sized titanium dioxide inside the fiber is solved, the UV protection and anti-permeability properties are improved, and the stability of the spinning process and product quality are ensured.
Patent Information
- Application Number
- CN202511297611.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-11
- Publication Date
- 2025-11-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing technologies struggle to uniformly disperse a high proportion of nano-sized titanium dioxide within fibers and prevent agglomeration and migration, which affects interfacial compatibility and fiber surface quality during the spinning process.
Rutile titanium dioxide powder with a particle size of 10-50nm is used. Through pretreatment, melt spinning and stretching and shaping processes, the titanium dioxide is ensured to be uniformly dispersed inside the fiber. Impurities are removed by stirring, drying and friction crushing to prevent agglomeration and clogging.
This method achieves uniform dispersion of nano-sized titanium dioxide within the fiber, enhancing UV protection and anti-permeability, preventing agglomeration and migration, and ensuring the stability of the spinning process and product quality.
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Figure CN120905792A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of fiber spinning, in particular to a TFY fiber spinning and a production process thereof. BACKGROUND
[0002] The TFY fiber spinning technology relies on a customized special spinning process to realize production. The core process is to uniformly mix a high proportion of nano-sized titanium dioxide particles into the fiber matrix through precise dispersion technology during the spinning process, ensuring that the titanium dioxide is evenly distributed in the fiber structure without agglomeration. Such TFY fibers made by special process not only have strong ultraviolet protection ability, but also have excellent anti-penetration function, which can meet the privacy protection and shading needs in specific scenarios.
[0003] The patent application with the application number CN202111616896.2 discloses a hollow fiber membrane spinning production equipment and its production process, which comprises a mixing box, further comprising: a mixing assembly connected to the bottom of the mixing box, a quantitative feeding assembly comprising a load component rotatably connected to the top wall of the mixing box and a quantitative adjusting component slidingly connected to the outer wall of the load component, a transmission assembly connected to the top wall of the mixing box, and the transmission assembly is connected with the extension end of the output shaft of the mixing assembly and the quantitative feeding assembly respectively, a storage tank fixedly connected to the top wall of the mixing box, the storage tank discharge port cooperates with the quantitative feeding assembly, a grinding assembly connected to the top wall of the storage tank, and the input end of the grinding assembly is connected with the extension end of the output shaft of the mixing assembly.
[0004] In summary, uniformly dispersing a high proportion of nano-sized titanium dioxide in the fiber and realizing spinning need to solve the agglomeration problem of nano-sized titanium dioxide, improve the interfacial compatibility of nano-sized titanium dioxide and polymer matrix, and ensure that the particles do not migrate to the surface of the fiber during the spinning process.
[0005] Therefore, we propose a TFY fiber spinning and a production process thereof. SUMMARY
[0006] In view of the deficiencies of the prior art, the present application provides a TFY fiber spinning and a production process thereof to solve the problems raised in the background art.
[0007] To achieve the above purpose, the present application provides the following technical scheme: a TFY fiber spinning: the TFY fiber is a high proportion of nano-sized titanium dioxide uniformly dispersed in the fiber structure; the TFY fiber has a high concentration of photocatalyst nano-sized titanium dioxide mixed inside;
[0008] The titanium dioxide has high refractive and high photoactivity.
[0009] According to the technical scheme, the nanoscale titanium dioxide has a particle size of 10-50nm, a rutile type crystal form, and a purity of >99.5%, has the functions of dispersion and fiberization, and has the functions of ultraviolet protection, penetration prevention, and comfortable elasticity after being mixed in the fiber spinning, and can be used in the field of sunscreen clothes.
[0010] A production process of a TFY fiber spinning includes the following steps:
[0011] S1, raw material pretreatment: the nanoscale titanium dioxide is placed in the rotating frame through the second feeding pipe, deionized water is injected through the second feeding pipe, the first connecting frame is driven to stir through the stirring blade by the third motor, and then the ultrasonic instrument is used to weaken the agglomeration force between the solution particles in the rotating frame, and then the rotating frame is pumped into a vacuum environment through the exhaust pipe and dried;
[0012] S2, surface modification: the ethanol / water mixed solvent is poured into the purified titanium dioxide in the rotating frame through the second feeding pipe, and a modifier is added for stirring, and then the rotating frame is driven to centrifuge through the double-shaft motor, and then it is placed in a vacuum environment and dried, the dried titanium dioxide is transported to the side of the second fixed frame through the second connecting pipe, and the titanium dioxide is rubbed and crushed through the gap between the grinding frame and the second fixed frame;
[0013] S3, melt spinning: the mixing barrel is supported by the support frame, the high-concentration titanium dioxide powder and the pure polymer chip are mixed in the mixing barrel, the mixed material is added into the drying machine through the first connecting pipe, and after melting in the drying machine, the fiber is blown through the spinneret, and the fan blades fixedly connected in the cooling frame are used to air cool the fiber;
[0014] S4, stretching and setting: the fiber is introduced into the heat stretching setting machine, stretched in multiple stages, and then heat set, and then naturally cooled to room temperature to obtain the TFY fiber.
[0015] According to the technical scheme, the top outer wall of the support frame is fixedly connected with the first fixed frame, the outer wall of the end of the support frame away from the first fixed frame is fixedly connected with the heat stretching setting machine, the inner side of the side of the support frame close to the first fixed frame is provided with a spinning mechanism, the spinning mechanism includes a mixing barrel, the mixing barrel is fixedly connected with the inner wall of the support frame, and the rollers of the heat stretching setting machine are provided with five, the first three are used for heat stretching the fiber, and the last two are used for heat setting the fiber.
[0016] According to the technical scheme, the first feeding pipe is fixedly connected to the top outer wall of the mixing barrel, the first motor is fixedly connected to the outer wall of the mixing barrel, the output end of the first motor is fixedly connected with a threaded rod, the first connecting pipe is fixedly connected to the end of the mixing barrel away from the first motor, the drying machine is fixedly connected to the end of the first connecting pipe away from the mixing barrel, the drying machine is fixedly connected with the support frame, and the first motor is used for mixing the high-concentration titanium dioxide powder and the pure polymer chip through the threaded rod.
[0017] According to the technical scheme, the spinneret is fixedly connected to the outer wall of the end of the drying machine away from the first connecting pipe, the second motor is fixedly connected to the outer wall of the end of the drying machine away from the spinneret, the output end of the second motor is fixedly connected with a first roller, the outer surface of the drying machine movably sleeves the cooling frame, the outer surface of the side of the cooling frame close to the second motor is provided with a first groove, the inner wall of the first groove is in rolling connection with the first roller, the inner wall of the side of the cooling frame away from the first groove is fixedly connected with a fan blade, and the second motor drives the cooling frame to rotate along the outer surface of the drying machine through the first roller.
[0018] According to the technical scheme, the first fixed frame is internally provided with a pretreatment mechanism, the pretreatment mechanism comprises a first bin body, the outer surface of the first bin body movably sleeves a second connecting frame, the inner wall of the end of the second connecting frame away from the first bin body is fixedly connected with a second bin body, the outer surface of the second bin body is fixedly connected with the inner wall of the first fixed frame, the inner wall of the end of the first bin body and the second bin body close to the second connecting frame is fixedly connected with a same double-shaft motor, the output end of the double-shaft motor is fixedly connected with a second roller, the double-shaft motor is a double-shaft independent control motor, and the double-shaft motor is bidirectionally and independently controlled, and can be arbitrarily speed-ratio and steering.
[0019] According to the technical scheme, the third motor is fixedly connected to the top outer wall of the first bin body, the output end of the third motor is fixedly connected with the first connecting frame, the inner wall of the end of the first connecting frame away from the third motor is fixedly connected with a stirring blade, the top inner wall of the first bin body is fixedly connected with a second feeding pipe, the inner wall of the end of the first bin body away from the second feeding pipe is fixedly connected with an exhaust pipe, and the third motor is used for stirring the nanoscale titanium dioxide and the deionized water through the stirring blade.
[0020] According to the technical scheme, the first bin body is internally provided with a rotating frame, the bottom outer surface of the rotating frame is provided with a first sliding groove, the first sliding groove is in rotating connection with the second roller connected to the top output end of the double-shaft motor, the outer surface of the rotating frame movably sleeves an ultrasonic instrument, the bottom outer wall of the rotating frame is fixedly connected with a second connecting pipe, and the end of the second connecting pipe close to the rotating frame is fixedly connected with a control valve. The second connecting pipe is used for conveying the dried titanium dioxide from the rotating frame to the side of the second fixed frame.
[0021] According to the above technical scheme, the bottom of the second bin body is provided with a discharge port, the inner wall of the second bin body is fixedly connected with a second fixing frame, the top outer surface of the second fixing frame is provided with a filter hole, the top outer wall of the second fixing frame is fixedly connected with a connecting block, the inside of the second bin body is provided with a grinding frame, the outer surface of the grinding frame is provided with a second sliding groove, the side outer wall of the grinding frame close to the connecting block is fixedly connected with a protruding block, the second sliding groove is rotationally connected with a second roller connected with the bottom output end of the double-shaft motor, and the grinding frame and the second fixing frame are used to frictionally crush the dried titanium dioxide.
[0022] Compared with the prior art, the present application provides a TFY fiber spinning and its production process, which has the following beneficial effects:
[0023] 1、The present application sets up a spinning mechanism, high-concentration titanium dioxide powder is loaded into a mixing barrel after drying and frictional crushing, pure polymer chips are injected through a first feeding pipe according to a proportion, a first motor drives a threaded rod to mix the two materials, and the materials are transported to a dryer, the materials are melted through the dryer, and then the secondary dispersion of titanium dioxide in the polymer is realized, effectively ensuring uniformity.
[0024] 2、The present application sets up a dryer and a cooling frame, a second motor drives the cooling frame to rotate along the outer surface of the dryer through a first roller, which can avoid the interference of the spinneret on the airflow and make the fan blades of the cooling frame quickly and uniformly cool the melt stream, so that the melt stream rapidly falls below the glass transition temperature and solidifies into fibers.
[0025] 3、The present application sets up a pretreatment mechanism, deionized water and nanoscale titanium dioxide enter the rotating frame through a second feeding pipe, a third motor drives a first connecting frame to rotate, and the material is stirred by cooperating with stirring blades, so that the deionized water and the nanoscale titanium dioxide can be fully contacted, impurity ions can be effectively removed, and the polymer degradation or the spinneret blockage can be avoided.
[0026] 4、The present application sets up a grinding frame and a second fixing frame, a double-shaft motor drives the grinding frame to rotate through a second roller fixedly connected with the bottom output end, and the titanium dioxide dried on the top of the second fixing frame is frictionally crushed, when the grinding frame rotates, the inner wall protruding block contacts the connecting block on the outer surface of the second fixing frame, so that the second fixing frame vibrates, the titanium dioxide powder stuck in the filter hole can be dredged, and the filter hole blockage can be effectively avoided. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 It is a whole front structure schematic diagram of the present application;
[0028] Figure 2 It is a support frame and hot stretching setting machine structure schematic diagram of the present application;
[0029] Figure 3 Structure schematic diagram of the spinning mechanism and the pretreatment mechanism of the present application;
[0030] Figure 4 Structure schematic diagram of the spinning mechanism and the pretreatment mechanism of the present application;
[0031] Figure 5 Structure schematic diagram of the spinning mechanism of the present application;
[0032] Figure 6 Structure schematic diagram of the pretreatment mechanism of the present application Figure 1 ;
[0033] Figure 7 Structure schematic diagram of the pretreatment mechanism of the present application Figure 2 ;
[0034] Figure 8 Structure schematic diagram of the pretreatment mechanism of the present application Figure 3 ;
[0035] Figure 9 Enlarged structure schematic diagram of A in the present application Figure 7
[0036] In the figure: 1, support frame; 2, first fixed frame; 3, heat stretching setting machine; 4, spinning mechanism; 401, mixing barrel; 402, first feeding pipe; 403, first motor; 404, threaded rod; 405, first connecting pipe; 406, drying machine; 407, second motor; 408, first roller; 409, spinneret; 410, cooling frame; 411, first groove; 412, fan blade; 5, pretreatment mechanism; 501, first bin body; 502, discharge port; 503, second feeding pipe; 504, exhaust pipe; 505, third motor; 506, first connecting frame; 507, stirring blade; 508, double-shaft motor; 509, second roller; 510, second bin body; 511, second fixed frame; 512, connecting block; 513, filter hole; 514, rotating frame; 515, first sliding groove; 516, second connecting pipe; 517, control valve; 518, ultrasonic instrument; 519, grinding frame; 520, second sliding groove; 521, protruding block; 6, second connecting frame. DETAILED DESCRIPTION
[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, but not all the embodiments of the present application.
[0038] Examples of the embodiments are illustrated in the accompanying drawings, throughout which like or similar character designates identical or similar elements or components throughout the drawings. The embodiments described below, by way of example, and with reference to the attached drawings, are not meant to limit the present application, but to explain various embodiments of the present application.
[0039] In the present application, unless specifically defined otherwise and limited, the terms "mount", "connect", "connection", "fixed", and the like are to be construed as broadly as possible, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0040] Embodiment one: refer to Figures 1-5 The present application provides a technical solution: eliminating internal stress of fibers, fixing molecular chain and distribution of titanium dioxide, and avoiding shrinkage of fibers or migration of titanium dioxide in subsequent processing. To this end, the top outer wall of the support frame 1 is fixedly connected with the first fixing frame 2, the outer wall of the end of the support frame 1 away from the first fixing frame 2 is fixedly connected with the hot stretching setting machine 3, the inside of the side of the support frame 1 close to the first fixing frame 2 is provided with the spinning mechanism 4, the spinning mechanism 4 includes the mixing barrel 401, the mixing barrel 401 is fixedly connected with the inner wall of the support frame 1, the rollers of the hot stretching setting machine 3 are provided as five, the first three are used for hot stretching of the fibers, and the last two are used for hot setting of the fibers.
[0041] The top outer wall of the mixing barrel 401 is fixedly connected with the first feeding pipe 402, the outer wall of the mixing barrel 401 is fixedly connected with the first motor 403, the output end of the first motor 403 is fixedly connected with the threaded rod 404, the end of the mixing barrel 401 away from the first motor 403 is fixedly connected with the first connecting pipe 405, the end of the first connecting pipe 405 away from the mixing barrel 401 is fixedly connected with the drying machine 406, and the drying machine 406 is fixedly connected with the support frame 1. In the process that the high-concentration titanium dioxide powder after drying and friction crushing is transported to the side of the first connecting pipe 405 in the mixing barrel 401, the pure polymer chip measured according to a certain proportion is injected into the mixing barrel 401 through the first feeding pipe 402, the first motor 403 drives the threaded rod 404 to run, and the high-concentration titanium dioxide powder and the pure polymer chip are mixed, and the mixture is transported to the side of the drying machine 406.
[0042] The outer wall of one end of the drying machine 406 away from the first connecting pipe 405 is fixedly connected with a spinneret 409, the outer wall of one end of the drying machine 406 away from the spinneret 409 is fixedly connected with a second motor 407, the output end of the second motor 407 is fixedly connected with a first roller 408, the outer surface of the drying machine 406 movably sleeves with a cooling frame 410, the outer surface of one side of the cooling frame 410 close to the second motor 407 is provided with a first groove 411, the inner wall of the first groove 411 is rollingly connected with the first roller 408, the inner wall of one side of the cooling frame 410 away from the first groove 411 is fixedly connected with a fan blade 412, after the drying machine 406 melts the mixture of high-concentration titanium dioxide powder and pure polymer chips, the melt is extruded into a fine stream through the spinneret 409, in this process, the second motor 407 drives the cooling frame 410 to rotate along the outer surface of the drying machine 406 through the first roller 408, the fan blade 412 carried by the cooling frame 410 implements rapid cooling on the melt fine stream, so that the melt fine stream is rapidly cooled to below the glass transition temperature, and finally solidified to form a fiber.
[0043] Embodiment two: please refer to Figures 6-9 In order to improve the surface performance of titanium dioxide, inhibit agglomeration from the source, improve the compatibility with the polymer, and avoid impurity ions causing polymer degradation or spinneret blockage, the application provides a technical solution: the inside of the first fixed frame 2 is provided with a pretreatment mechanism 5, the pretreatment mechanism 5 includes a first bin body 501, the outer surface of the first bin body 501 is fixedly sleeved with a second connecting frame 6, the inner wall of one end of the second connecting frame 6 away from the first bin body 501 is fixedly connected with a second bin body 510, the outer surface of the second bin body 510 is fixedly connected with the inner wall of the first fixed frame 2, the inner wall of one end of the first bin body 501 and the second bin body 510 close to the second connecting frame 6 is fixedly connected with a same double-shaft motor 508, the output end of the double-shaft motor 508 is fixedly connected with a second roller 509, the double-shaft motor 508 is a double-shaft independent control motor, which is bidirectionally and independently controlled, and can be arbitrarily speed ratio and steering.
[0044] The top outer wall of the first bin body 501 is fixedly connected with a third motor 505, the output end of the third motor 505 is fixedly connected with a first connecting frame 506, the inner wall of the end of the first connecting frame 506 away from the third motor 505 is fixedly connected with a stirring blade 507, the top inner wall of the first bin body 501 is fixedly connected with a second feeding pipe 503, the inner wall of the end of the first bin body 501 away from the second feeding pipe 503 is fixedly connected with an exhaust pipe 504, the third motor 505 stirs the nanometer titanium dioxide and the deionized water through the stirring blade 507, the inside of the first bin body 501 is provided with a rotating frame 514, the bottom outer surface of the rotating frame 514 is provided with a first sliding groove 515, the first sliding groove 515 is rotationally connected with a second roller 509 connected with the top output end of a double-shaft motor 508, the outer surface of the rotating frame 514 is fixedly sleeved with an ultrasonic instrument 518, the bottom outer wall of the rotating frame 514 is fixedly connected with a second connecting pipe 516, the end of the second connecting pipe 516 close to the rotating frame 514 is fixedly connected with a control valve 517, the second connecting pipe 516 is used for conveying the dry titanium dioxide from the rotating frame 514 to the side of the second fixed frame 511, after the nanometer titanium dioxide is fed into the inside of the rotating frame 514 through the second feeding pipe 503, the deionized water is injected into the rotating frame 514 through the same feeding pipe 503, the first connecting frame 506 is driven to rotate by the third motor 505, the stirring blade 507 is driven to stir the material, then, the evacuation equipment is connected with the exhaust pipe 504, a vacuum environment is formed on the inner wall of the rotating frame 514, the rotating frame 514 is heated through the first bin body 501, the suspension in the rotating frame 514 is subjected to vacuum drying treatment, thus the impurity ions can be effectively removed, the adverse effects of the impurity ions on the polymer degradation or the blockage of the spinneret hole can be avoided.
[0045] The bottom of the second bin body 510 is provided with a discharge port 502, the inner wall of the second bin body 510 is fixedly connected with a second fixing frame 511, the top outer surface of the second fixing frame 511 is provided with a filter hole 513, the top outer wall of the second fixing frame 511 is fixedly connected with a connecting block 512, the inside of the second bin body 510 is provided with a grinding frame 519, the gap on the side of the grinding frame 519 closer to the filter hole 513 is smaller, thereby facilitating ensuring that the titanium dioxide powder can be ground to the required range and can normally pass through the filter hole 513, the outer surface of the grinding frame 519 is provided with a second sliding groove 520, the outer wall of the side of the grinding frame 519 close to the connecting block 512 is fixedly connected with a protruding block 521, the second sliding groove 520 is rotationally connected with a second roller 509 connected with the bottom output end of the double-shaft motor 508, the double-shaft motor 508 drives the grinding frame 519 to rotate through the second roller 509 fixedly connected with the bottom output end, so as to frictionally crush the dry titanium dioxide on the top of the second fixing frame 511. During the rotation of the grinding frame 519, the protruding block 521 fixedly connected with the inner wall thereof is in contact with the connecting block 512 fixedly connected with the outer surface of the second fixing frame 511, so that the second fixing frame 511 vibrates, and the vibration can dredge the titanium dioxide powder stuck in the filter hole 513, thereby avoiding the filter hole 513 from being blocked.
[0046] A TFY fiber spinning and a production process thereof, comprising the following steps:
[0047] S1, raw material pretreatment: the nanoscale titanium dioxide is placed into the inside of the rotating frame 514 through the second feeding pipe 503, deionized water is injected through the second feeding pipe 503, the first connecting frame 506 is driven to stir through the stirring blade 507 by the third motor 505, and then the ultrasonic instrument 518 is used to weaken the agglomeration force between the solution particles in the inside of the rotating frame 514, and then the inside of the rotating frame 514 is pumped into a vacuum environment through the exhaust pipe 504 and is dried;
[0048] S2, surface modification: the ethanol / water mixed solvent is poured into the purified titanium dioxide in the rotating frame 514 through the second feeding pipe 503, and a modifier is added to stir, and then the rotating frame 514 is driven to centrifugalize by the double-shaft motor, and then it is in a vacuum environment and is dried, the dried titanium dioxide is transported to the side of the second fixing frame 511 through the second connecting pipe 516, and the titanium dioxide is frictionally crushed through the gap between the grinding frame 519 and the second fixing frame 511;
[0049] S3, melt spinning: the mixing barrel 401 is supported by the support frame 1, the high-concentration titanium dioxide powder and the pure polymer chip are mixed in the mixing barrel 401, the mixed material is added into the drying machine 406 through the first connecting pipe 405, after melting through the drying machine 406, the fiber is spun through the spinneret 409, and the fan blade 412 fixedly connected inside the cooling frame 410 is used for air cooling of the fiber;
[0050] S4, stretching and setting: the fiber is guided to the heat stretching setting machine 3, and after multi-stage stretching, heat setting is carried out, and then natural cooling is carried out to room temperature, so that the TFY fiber is obtained.
[0051] A TFY fiber: the TFY fiber is a high-proportion nano titanium dioxide uniformly dispersed in the internal structure of the fiber; the TFY fiber is mixed with a high concentration of photocatalyst nano titanium dioxide; the titanium dioxide has high refractive and high light activity.
[0052] The nano titanium dioxide has a particle size of 10-50nm, a rutile type crystal form, a purity of >99.5%, and a dispersibility and fiberization function; after the nano titanium dioxide is mixed in the fiber spinning inside, the nano titanium dioxide has the functions of preventing ultraviolet rays, preventing penetration and being comfortable and elastic, and can be used in the field of sun protection clothes.
[0053] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0054] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and does not limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, and those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A TFY fiber filament, characterized in that, The TFY fiber is a high proportion of nanoscale titanium dioxide uniformly dispersed in the internal structure of the fiber; The TFY fiber is mixed with a high concentration of photocatalyst nanometer titanium dioxide inside; The titanium dioxide has high refractive and high light activity.
2. The TFY fiber filament of claim 1, wherein: The nanoscale titanium dioxide has a particle size of 10-50nm, a rutile type crystal form, a purity of >99.5%, and a dispersion and fiberization function. After the nanoscale titanium dioxide is mixed inside the fiber spinning, it has the functions of preventing ultraviolet rays, preventing penetration, and being comfortable and elastic, and can be used in the field of sun protection clothes.
3. A process for the production of a TFY fiber filament, characterized in that, It includes the following steps: S1, raw material pretreatment: the nanoscale titanium dioxide is placed in the rotating frame (514) through the second feeding pipe (503), deionized water is injected through the second feeding pipe (503), the first connecting frame (506) is driven to stir through the stirring blade (507) by the third motor (505), and then the ultrasonic instrument (518) is used to weaken the agglomeration force between the solution particles in the rotating frame (514), and then the inside of the rotating frame (514) is pumped into a vacuum environment through the exhaust pipe (504) and dried; S2, surface modification: the ethanol / water mixed solvent is poured into the purified titanium dioxide in the rotating frame (514) through the second feeding pipe (503), and a modifier is added for stirring, then the rotating frame (514) is centrifuged by a double-shaft motor, and then it is placed in a vacuum environment and dried, and the dried titanium dioxide is transported to the side of the second fixed frame (511) through the second connecting pipe (516), and the titanium dioxide is rubbed and crushed through the gap between the grinding frame (519) and the second fixed frame (511); S3, melt spinning: the mixing barrel (401) is supported by the support frame (1), the high-concentration titanium dioxide powder and the pure polymer chip are mixed in the mixing barrel (401), the mixture is added to the drying machine (406) through the first connecting pipe (405), and the fiber is air-cooled by the fan blade (412) fixedly connected in the cooling frame (410) after melting through the drying machine (406) and spinning through the spinneret (409); S4, stretching and setting: the fiber is introduced to the heat stretching setting machine (3), stretched in multiple stages, then heat set, and then naturally cooled to room temperature to obtain the TFY fiber.
4. The process according to claim 1, wherein the process is characterized by: The top outer wall of the support frame (1) is fixedly connected with the first fixed frame (2), the outer wall of the end of the support frame (1) away from the first fixed frame (2) is fixedly connected with the heat stretching setting machine (3), the inside of the side of the support frame (1) close to the first fixed frame (2) is provided with the spinning mechanism (4), and the spinning mechanism (4) comprises a mixing barrel (401).
5. The process for producing a filament of a TFY fiber according to claim 4, wherein: The outer wall of the top of the mixing barrel (401) is fixedly connected with a first feeding pipe (402), the outer wall of the mixing barrel (401) is fixedly connected with a first motor (403), the output end of the first motor (403) is fixedly connected with a threaded rod (404), one end of the mixing barrel (401) away from the first motor (403) is fixedly connected with a first connecting pipe (405), one end of the first connecting pipe (405) away from the mixing barrel (401) is fixedly connected with a drying machine (406), the drying machine (406) is fixedly connected with the support frame (1), and the first motor (403) is used for mixing high-concentration titanium dioxide powder and pure polymer chips through the threaded rod (404).
6. The process for producing a filament of a TFY fiber according to claim 5, wherein: The outer wall of one end of the drying machine (406) away from the first connecting pipe (405) is fixedly connected with a spinneret (409), the outer wall of one end of the drying machine (406) away from the spinneret (409) is fixedly connected with a second motor (407), the output end of the second motor (407) is fixedly connected with a first roller (408), the outer surface of the drying machine (406) is movably sleeved with a cooling frame (410), the outer surface of one side of the cooling frame (410) close to the second motor (407) is provided with a first groove (411), the inner wall of the first groove (411) is in rolling connection with the first roller (408), the inner wall of one side of the cooling frame (410) away from the first groove (411) is fixedly connected with a fan blade (412), and the second motor (407) drives the cooling frame (410) to rotate along the outer surface of the drying machine (406) through the first roller (408).
7. The process according to claim 4, wherein the process is characterized by: The first fixed frame (2) is provided with a pretreatment mechanism (5), the pretreatment mechanism (5) comprises a first bin body (501), the outer surface of the first bin body (501) is fixedly sleeved with a second connecting frame (6), the inner wall of one end of the second connecting frame (6) away from the first bin body (501) is fixedly connected with a second bin body (510), the outer surface of the second bin body (510) is fixedly connected with the inner wall of the first fixed frame (2), the inner wall of one end of the first bin body (501) and the second bin body (510) close to the second connecting frame (6) is fixedly connected with a same double-shaft motor (508), the output end of the double-shaft motor (508) is fixedly connected with a second roller (509), and the double-shaft motor (508) is a double-shaft independent control motor.
8. The process according to claim 7, characterized in that: The top outer wall of the first bin body (501) is fixedly connected with a third motor (505), an output end of the third motor (505) is fixedly connected with a first connecting frame (506), an inner wall of one end of the first connecting frame (506) away from the third motor (505) is fixedly connected with a stirring blade (507), the top inner wall of the first bin body (501) is fixedly connected with a second feeding pipe (503), the inner wall of one end of the first bin body (501) away from the second feeding pipe (503) is fixedly connected with an exhaust pipe (504), and the third motor (505) stirs the nanoscale titanium dioxide and deionized water through the stirring blade (507).
9. The process according to claim 8, characterized in that: The inside of the first bin body (501) is provided with a rotating frame (514), the bottom outer surface of the rotating frame (514) is provided with a first sliding groove (515), the first sliding groove (515) is rotationally connected with a second roller (509) connected with the top output end of the double-shaft motor (508), the outer surface of the rotating frame (514) is fixedly sleeved with an ultrasonic instrument (518), the bottom outer wall of the rotating frame (514) is fixedly connected with a second connecting pipe (516), one end of the second connecting pipe (516) close to the rotating frame (514) is fixedly connected with a control valve (517), and the second connecting pipe (516) is used for conveying the dried titanium dioxide from the rotating frame (514) to the side of the second fixed frame (511).
10. The process according to claim 9, wherein the process is characterized by: The bottom of the second bin body (510) is provided with a discharge port (502), the inner wall of the second bin body (510) is fixedly connected with a second fixed frame (511), the top outer surface of the second fixed frame (511) is provided with a filter hole (513), the top outer wall of the second fixed frame (511) is fixedly connected with a connecting block (512), the inside of the second bin body (510) is provided with a grinding frame (519), the outer surface of the grinding frame (519) is provided with a second sliding groove (520), the outer wall of one side of the grinding frame (519) close to the connecting block (512) is fixedly connected with a protruding block (521), the second sliding groove (520) is rotationally connected with the second roller (509) connected with the bottom output end of the double-shaft motor (508), and the grinding frame (519) and the second fixed frame (511) are used for rubbing and crushing the dried titanium dioxide.
Citation Information
Patent Citations
Hollow fiber membrane spinning production equipment and production process thereof
CN114369877A