CN110042481A - A kind of device and method of continuous production piezoelectric fabric - Google Patents
A kind of device and method of continuous production piezoelectric fabric Download PDFInfo
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- 238000010924 continuous production Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000004744 fabric Substances 0.000 title claims 9
- 239000000835 fiber Substances 0.000 claims abstract description 65
- 230000010287 polarization Effects 0.000 claims abstract description 33
- 238000009987 spinning Methods 0.000 claims abstract description 18
- 229920002545 silicone oil Polymers 0.000 claims abstract description 17
- 238000002074 melt spinning Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 10
- 239000011229 interlayer Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000007380 fibre production Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 229920005594 polymer fiber Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010059866 Drug resistance Diseases 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
- D01D5/0885—Cooling filaments, threads or the like, leaving the spinnerettes by means of a liquid
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
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Abstract
本发明公开了一种连续生产压电纤维的装置，包括依次连接的熔融纺丝装置、水冷却罗拉、温度控制罗拉和极化装置，熔融纺丝装置包括上表面连接有料斗、端部连接有喷丝头的纺丝箱体，极化装置包括装有硅油的极化池，硅油中设置有两个高压电极板，两个高压电极板之间形成纤维行进通道，纤维行进通道两边分别设置有慢速罗拉和快速罗拉，极化池底部设置有加热装置。本发明装置将生产极化与收集一体化，提高了压电纤维生产的效率。本发明一种连续生产压电纤维的方法，采用本发明的装置，加热硅油，调节快速罗拉和慢速罗拉的转速比，调节高压电极板的电压，本方法操作简单，精确控制各项参数，良品率高。
The invention discloses a device for continuously producing piezoelectric fibers, which comprises a melt spinning device, a water cooling roller, a temperature control roller and a polarizing device which are connected in sequence. The melt spinning device comprises a hopper connected on the upper surface and a The spinning box of the spinneret, the polarizing device includes a polarizing pool equipped with silicone oil, two high-voltage electrode plates are arranged in the silicone oil, a fiber traveling channel is formed between the two high-voltage electrode plates, and two sides of the fiber traveling channel are respectively provided with For slow rollers and fast rollers, there is a heating device at the bottom of the polarizing pool. The device of the invention integrates production polarization and collection, and improves the efficiency of piezoelectric fiber production. The invention is a method for continuous production of piezoelectric fibers. The device of the invention is used to heat silicone oil, adjust the speed ratio of the fast roller and the slow roller, and adjust the voltage of the high-voltage electrode plate. High yield.
Description
技术领域technical field
本发明属于功能性材料生产技术领域，涉及一种连续生产压电纤维的装置，本发明还涉及一种连续生产压电纤维的方法。The invention belongs to the technical field of functional material production, relates to a device for continuous production of piezoelectric fibers, and also relates to a method for continuous production of piezoelectric fibers.
背景技术Background technique
随着科学技术的发展，对压电器的性能和形状要求越来越高，随之便产生了压电纤维，压电纤维作为一种新型的压电材料，具有柔性大、质量小、适合贴附于表面、较高的机电耦合系数以及抗破坏能力强等优点。在压电纤维的生产过程中，为了保证其压电性能的发挥，极化是必不可少的一道工序。现有的压电纤维生产与极化过程分为两个过程，不能将同时进行，生产过程复杂，效率低。With the development of science and technology, the requirements for the performance and shape of piezoelectric devices are getting higher and higher, and piezoelectric fibers are produced. It has the advantages of attaching to the surface, high electromechanical coupling coefficient and strong resistance to damage. In the production process of piezoelectric fibers, in order to ensure the exertion of their piezoelectric properties, polarization is an essential process. The existing piezoelectric fiber production and polarization process are divided into two processes, which cannot be performed simultaneously, the production process is complicated, and the efficiency is low.
发明内容SUMMARY OF THE INVENTION
本发明的目的是提供一种连续生产压电纤维的装置，解决了现有技术中存在的不能将压电纤维生产与极化同时进行的问题。The object of the present invention is to provide a device for continuous production of piezoelectric fibers, which solves the problem in the prior art that the production and polarization of piezoelectric fibers cannot be simultaneously performed.
本发明的另一目的是提供一种连续生产压电纤维的方法，该方法简单易操作，可以同时进行压电纤维的生产和极化。Another object of the present invention is to provide a method for continuously producing piezoelectric fibers, which is simple and easy to operate, and can simultaneously perform production and polarization of piezoelectric fibers.
本发明所采用的技术方案是，一种连续生产压电纤维的装置，包括依次连接的熔融纺丝装置、水冷却罗拉、温度控制罗拉和极化装置，熔融纺丝装置包括纺丝箱体，纺丝箱体上表面连接有料斗，纺丝箱体的端部连接有喷丝头，极化装置包括极化池，极化池中装有硅油，硅油中平行设置有两个相对的高压电极板，两个高压电极板之间形成纤维行进通道，纤维行进通道靠近纺丝箱体一端设置有慢速罗拉、另一端设置有快速罗拉，极化池底部设置有加热装置，一个高压电极板接地，另一个高压电极板连接有静电发生器。The technical scheme adopted in the present invention is that a device for continuously producing piezoelectric fibers includes a melt spinning device, a water cooling roller, a temperature control roller and a polarization device connected in sequence, and the melt spinning device includes a spinning box, The upper surface of the spinning box is connected with a hopper, the end of the spinning box is connected with a spinneret, the polarization device includes a polarization pool, the polarization pool is filled with silicone oil, and two opposite high-voltage electrodes are arranged in parallel in the silicone oil. A fiber travel channel is formed between the two high-voltage electrode plates. The fiber travel channel is provided with a slow-speed roller at one end near the spinning box, and a fast-speed roller at the other end. , and the other high-voltage electrode plate is connected with an electrostatic generator.
本发明的特点还在于：The feature of the present invention also lies in:
还包括收集辊，收集辊位于极化池远离温度控制罗拉的一侧。Also included is a collection roll located on the side of the polarizing cell away from the temperature control roller.
极化池底部设置有隔层，加热装置放置于隔层中。The bottom of the polarization cell is provided with a partition, and the heating device is placed in the partition.
本发明采用的另一技术方案是：一种连续生产压电纤维的方法，采用权利要求1-3任一项的一种连续生产压电纤维的装置，按照如下步骤实现：Another technical solution adopted by the present invention is: a method for continuously producing piezoelectric fibers, using a device for continuously producing piezoelectric fibers according to any one of claims 1-3, and realizing according to the following steps:
步骤1、对压电材料进行干燥处理；Step 1, drying the piezoelectric material;
步骤2、启动加热装置，将硅油加热至75-85℃，并保持恒温，调节快速罗拉和慢速罗拉的转速比为4-6:1，调节两个高压电极板之间的电压差为12-14KV；Step 2. Start the heating device, heat the silicone oil to 75-85°C, and maintain a constant temperature, adjust the speed ratio of the fast roller and the slow roller to 4-6:1, and adjust the voltage difference between the two high-voltage electrode plates to 12 -14KV;
步骤3、将步骤1得到的压电材料投入料斗中，熔融纺丝装置将压电材料进行纺丝，纤维通过喷丝头喷出；Step 3, put the piezoelectric material obtained in step 1 into the hopper, the melt spinning device spins the piezoelectric material, and the fibers are ejected through the spinneret;
步骤4、喷丝头喷出的纤维经过水冷却罗拉进行冷却，然后再通过温度控制罗拉将经冷却的纤维调节至极化所需温度，最后经慢速罗拉通过极化池的纤维行进通道；Step 4. The fiber ejected from the spinneret is cooled by the water cooling roller, and then the cooled fiber is adjusted to the temperature required for polarization by the temperature control roller, and finally passes through the fiber traveling channel of the polarization pool by the slow roller;
步骤5、浸泡于硅油中的两个高压电极板对纤维进行极化，快速罗拉和慢速罗拉对纤维进行牵伸，得到压电纤维；Step 5. Two high-voltage electrode plates soaked in silicone oil polarize the fibers, and the fast rollers and the slow rollers stretch the fibers to obtain piezoelectric fibers;
步骤6、利用收集辊将经步骤5得到的压电纤维进行收集。Step 6: Collect the piezoelectric fibers obtained in Step 5 by using a collecting roller.
本发明另一技术方案的特点还在于：Another technical scheme of the present invention is characterized in that:
步骤1中干燥处理的温度为120℃，时间为6h。In step 1, the temperature of the drying treatment is 120° C. and the time is 6 h.
本发明的有益效果是：The beneficial effects of the present invention are:
(1)本发明一种连续生产压电纤维的装置使得压电纤维的生产与极化一体化，同时自动化程度高，极化效率高，良品率高，收集方便；(1) A device for continuously producing piezoelectric fibers of the present invention integrates the production and polarization of piezoelectric fibers, with a high degree of automation, high polarization efficiency, high yield, and convenient collection;
(2)本发明一种连续生产压电纤维的装置结构简单，体积小，重量轻，安装方便；(2) The device for continuous production of piezoelectric fibers of the present invention is simple in structure, small in volume, light in weight, and easy to install;
(3)本发明一种连续生产压电纤维的装置，极化池中以硅油作为介质，当纤维放在两高压电极之间时，避免了在空气容易击穿的问题；(3) a device for the continuous production of piezoelectric fibers of the present invention, in which silicone oil is used as a medium in the polarization cell, when the fibers are placed between two high-voltage electrodes, the problem of easy breakdown in the air is avoided;
(4)本发明一种连续生产压电纤维的装置，极化装置中位于高压电极板两侧的快速罗拉和慢速罗拉对聚合物纤维进行牵伸，聚合物纤维在极化装置中边牵伸边极化有利于聚合物纤维的晶相转变。(4) The present invention is a device for continuously producing piezoelectric fibers. The fast rollers and the slow rollers located on both sides of the high-voltage electrode plate in the polarization device draw the polymer fibers, and the polymer fibers are drawn in the polarization device. The edge extension polarization is beneficial to the crystal phase transition of polymer fibers.
附图说明Description of drawings
图1是本发明一种连续生产压电纤维的装置的结构示意图图。FIG. 1 is a schematic structural diagram of an apparatus for continuously producing piezoelectric fibers according to the present invention.
图中，1.料斗，2.纺丝箱体，3.喷丝头，4.水冷却罗拉，5.温度控制罗拉，6.加热装置，7.高压电极板，8.纤维，9.极化池，10.静电发生器，11.收集辊。In the figure, 1. hopper, 2. spinning box, 3. spinneret, 4. water cooling roller, 5. temperature control roller, 6. heating device, 7. high voltage electrode plate, 8. fiber, 9. pole Chemical tank, 10. Electrostatic generator, 11. Collection roller.
具体实施方式Detailed ways
下面结合附图和具体实施方式对本发明进行详细说明。The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
本发明一种连续生产压电纤维的装置，如图1所示，包括依次连接的熔融纺丝装置、水冷却罗拉4、温度控制罗拉5、极化装置和收集辊11，熔融纺丝装置包括纺丝箱体2，纺丝箱体2上表面连接有料斗1，纺丝箱体2的端部连接有喷丝头3，极化装置包括极化池，极化池中装有硅油，硅油中平行设置有两个相对的高压电极板7，两个高压电极板7之间形成纤维行进通道，纤维行进通道靠近纺丝箱体2一端设置有慢速罗拉、另一端设置有快速罗拉，极化池底部设置有隔层，隔层放置有加热装置6，一个高压电极板7接地，另一个高压电极板7连接有静电发生器10，收集辊11位于极化池远离温度控制罗拉5的一侧。A device for continuous production of piezoelectric fibers according to the present invention, as shown in FIG. 1, includes a melt spinning device, a water cooling roller 4, a temperature control roller 5, a polarizing device and a collecting roller 11, which are connected in sequence. The melt spinning device includes Spinning box 2, the upper surface of the spinning box 2 is connected with a hopper 1, the end of the spinning box 2 is connected with a spinneret 3, the polarizing device includes a polarizing pool, and the polarizing pool is filled with silicone oil, silicone oil Two opposite high-voltage electrode plates 7 are arranged in parallel in the middle, and a fiber travel channel is formed between the two high-voltage electrode plates 7. The fiber travel channel is provided with a slow-speed roller at one end near the spinning box 2, and a fast roller at the other end. An interlayer is provided at the bottom of the chemical pool, the interlayer is placed with a heating device 6, one high-voltage electrode plate 7 is grounded, the other high-voltage electrode plate 7 is connected with an electrostatic generator 10, and the collecting roller 11 is located in a polarizing pool away from the temperature control roller 5. side.
本发明一种连续生产压电纤维的装置中熔融纺丝装置制取的纤维具有很好的抗燃性和耐药性，水冷却罗拉4用于冷却经熔融纺丝装置制取的纤维，温度控制罗拉5用于将纤维温度调节至极化所需温度，极化装置用于对纤维进行极化，设置于高压电极板7两侧的快速罗拉和慢速罗拉用于牵伸纤维，使纤维边牵伸边极化，有利于纤维的晶相转变，将高压电极板7置于硅油中避免了在空气中容易击穿的问题，收集辊11用于将生产极化后的纤维进行收集。The fibers produced by the melt spinning device in the device for continuously producing piezoelectric fibers of the present invention have good flame resistance and drug resistance, and the water cooling roller 4 is used to cool the fibers produced by the melt spinning device. The control roller 5 is used to adjust the temperature of the fiber to the temperature required for polarization, the polarization device is used to polarize the fiber, and the fast and slow rollers arranged on both sides of the high-voltage electrode plate 7 are used to draw the fiber, so that the edge of the fiber is The drafting edge polarization is beneficial to the crystal phase transformation of the fibers. The high voltage electrode plate 7 is placed in silicone oil to avoid the problem of easy breakdown in the air. The collecting roller 11 is used to collect the fibers after production polarization.
本发明一种连续生产压电纤维的方法，采用本发明一种连续生产压电纤维的装置，按照如下步骤实现：A method for continuous production of piezoelectric fibers of the present invention adopts a device for continuous production of piezoelectric fibers of the present invention, and is realized according to the following steps:
步骤1、对压电材料在120℃温度下干燥处理6h；Step 1. Dry the piezoelectric material at a temperature of 120°C for 6h;
步骤2、启动加热装置(6)，将硅油加热至75-85℃，并保持恒温，调节快速罗拉和慢速罗拉的转速比为4-6:1，调节两个高压电极板(7)之间的电压差为12-14KV；Step 2. Start the heating device (6), heat the silicone oil to 75-85°C, and maintain a constant temperature, adjust the speed ratio of the fast roller and the slow roller to 4-6:1, and adjust the one between the two high-voltage electrode plates (7). The voltage difference between them is 12-14KV;
步骤3、将步骤1得到的压电材料投入料斗(1)中，熔融纺丝装置将压电材料进行纺丝，纤维通过喷丝头(3)喷出；Step 3, put the piezoelectric material obtained in step 1 into the hopper (1), the melt spinning device spins the piezoelectric material, and the fibers are ejected through the spinneret (3);
步骤4、喷丝头(3)喷出的纤维经过水冷却罗拉(4)进行冷却，然后再通过温度控制罗拉(5)将经冷却的纤维调节至极化所需温度，最后经慢速罗拉通过极化池的纤维行进通道；Step 4. The fibers ejected from the spinneret (3) are cooled by the water cooling roller (4), and then the cooled fibers are adjusted to the temperature required for polarization by the temperature control roller (5), and finally passed through the slow roller. The fiber travel channel of the polarized pool;
步骤5、浸泡于硅油中的两个高压电极板(7)对所述纤维进行极化，快速罗拉和慢速罗拉对纤维进行牵伸，得到压电纤维；Step 5. The two high-voltage electrode plates (7) immersed in the silicone oil polarize the fibers, and the fast rollers and the slow rollers draw the fibers to obtain piezoelectric fibers;
步骤6、利用收集辊(11)将经步骤5得到的压电纤维进行收集。Step 6: Collect the piezoelectric fibers obtained in Step 5 by using a collecting roller (11).
本发明一种连续生产压电纤维的方法，使得压电纤维的生产、极化和收集一体化，自动化程度高，极化效率高。The present invention is a method for continuously producing piezoelectric fibers, which integrates the production, polarization and collection of piezoelectric fibers, has a high degree of automation, and has high polarization efficiency.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110578178A (en) * | 2019-10-11 | 2019-12-17 | 振德医疗用品股份有限公司 | device and method for washing polyvinyl alcohol fibers at low temperature |
| CN113060933A (en) * | 2021-03-23 | 2021-07-02 | 安徽天顺环保过滤材料有限公司 | Fiber drawing device for glass fiber production and implementation method thereof |
| WO2023216387A1 (en) * | 2022-05-09 | 2023-11-16 | 北京大学口腔医学院 | Toothbrush filament and preparation method therefor, and toothbrush |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5130997A (en) * | 1974-09-11 | 1976-03-16 | Kureha Chemical Ind Co Ltd | Kobunshifuirumu no renzokuseikyokuhoho |
| GB2123602A (en) * | 1982-07-06 | 1984-02-01 | Raytheon Co | Piezoelectric transducer and method of making same |
| EP0146272A2 (en) * | 1983-11-22 | 1985-06-26 | Focas Limited | Coaxial cable |
| US4557880A (en) * | 1982-03-18 | 1985-12-10 | British Telecommunications | Piezoelectric and pyroelectric film |
| US4629925A (en) * | 1983-11-22 | 1986-12-16 | Raychem Corporation | Piezoelectric coaxial cable |
| CN101787575A (en) * | 2010-03-12 | 2010-07-28 | 浙江大学 | Preparation method for micro-nano piezoelectric fiber |
| CN101972568A (en) * | 2010-09-14 | 2011-02-16 | 尤祥银 | Medical efficient bacterium blocking filter material and preparation method thereof |
| CN103097105A (en) * | 2010-09-15 | 2013-05-08 | 博尔顿大学 | Piezoelectric polymer element and production method and apparatus therefor |
| CN104425705A (en) * | 2013-09-10 | 2015-03-18 | 龚伶 | Polarization method of polyvinylidene fluoride thin film |
| CN107026232A (en) * | 2017-05-09 | 2017-08-08 | 湖南科技大学 | A kind of piezoelectric fabric polar system and method |
-
2019
- 2019-04-26 CN CN201910345847.6A patent/CN110042481A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5130997A (en) * | 1974-09-11 | 1976-03-16 | Kureha Chemical Ind Co Ltd | Kobunshifuirumu no renzokuseikyokuhoho |
| US4557880A (en) * | 1982-03-18 | 1985-12-10 | British Telecommunications | Piezoelectric and pyroelectric film |
| GB2123602A (en) * | 1982-07-06 | 1984-02-01 | Raytheon Co | Piezoelectric transducer and method of making same |
| EP0146272A2 (en) * | 1983-11-22 | 1985-06-26 | Focas Limited | Coaxial cable |
| US4629925A (en) * | 1983-11-22 | 1986-12-16 | Raychem Corporation | Piezoelectric coaxial cable |
| CN101787575A (en) * | 2010-03-12 | 2010-07-28 | 浙江大学 | Preparation method for micro-nano piezoelectric fiber |
| CN101972568A (en) * | 2010-09-14 | 2011-02-16 | 尤祥银 | Medical efficient bacterium blocking filter material and preparation method thereof |
| CN103097105A (en) * | 2010-09-15 | 2013-05-08 | 博尔顿大学 | Piezoelectric polymer element and production method and apparatus therefor |
| CN104425705A (en) * | 2013-09-10 | 2015-03-18 | 龚伶 | Polarization method of polyvinylidene fluoride thin film |
| CN107026232A (en) * | 2017-05-09 | 2017-08-08 | 湖南科技大学 | A kind of piezoelectric fabric polar system and method |
Non-Patent Citations (2)
| Title |
|---|
| 山东大学压电铁电物理教研室: "《压电陶瓷及其应用》", 30 November 1974, 山东人民出版社 * |
| 邓基坎: "PVDF压电纤维及其织物的自感知性能研究", 《中国优秀硕士学位论文全文数据库-工程科技Ⅰ辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578178A (en) * | 2019-10-11 | 2019-12-17 | 振德医疗用品股份有限公司 | device and method for washing polyvinyl alcohol fibers at low temperature |
| CN113060933A (en) * | 2021-03-23 | 2021-07-02 | 安徽天顺环保过滤材料有限公司 | Fiber drawing device for glass fiber production and implementation method thereof |
| CN113060933B (en) * | 2021-03-23 | 2022-08-12 | 安徽天顺环保过滤材料有限公司 | Fiber drawing device for glass fiber production and implementation method thereof |
| WO2023216387A1 (en) * | 2022-05-09 | 2023-11-16 | 北京大学口腔医学院 | Toothbrush filament and preparation method therefor, and toothbrush |
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Application publication date: 20190723 |