TWI758596B - Fabricating method of fiber - Google Patents
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本發明是有關於一種纖維的製造方法,且特別是有關於一種可提升紡絲性之低熔點纖維的製造方法。The present invention relates to a method for producing a fiber, and more particularly, to a method for producing a low-melting fiber capable of improving spinnability.
在習知的低熔點耐隆材料製備方法中,僅添加成核劑以促進熱熔材料快速結晶。然而,在纖維紡製時可能產生沾黏,亦即,纖維與紡絲設備導輪產生黏輪的現象。因此,如何提升熱熔材料的紡絲性,並避免纖維紡製時產生沾黏,為目前所需研究的重要課題。In the conventional preparation method of the low-melting nylon material, only a nucleating agent is added to promote the rapid crystallization of the hot-melt material. However, sticking may occur during fiber spinning, that is, a phenomenon in which the fiber and the spinner pulley are stuck together. Therefore, how to improve the spinnability of the hot-melt material and prevent the fibers from sticking during spinning is an important subject of current research.
本發明提供一種纖維的製造方法,能夠提升熱熔材料的紡絲性,有效避免纖維紡製時產生沾黏。The invention provides a fiber manufacturing method, which can improve the spinnability of the hot-melt material and effectively avoid sticking during fiber spinning.
本發明的纖維的製造方法包括以下步驟。將無機粉體及潤滑劑攪拌均勻再乾燥,以使潤滑劑均勻披覆於無機粉體的表面上。之後,將經潤滑劑均勻披覆的無機粉體及成核劑與共聚耐隆材料攪拌混合及乾燥,再進行混練製程,以形成纖維母粒。然後,使用纖維母粒進行紡絲製程,以形成纖維The manufacturing method of the fiber of this invention includes the following steps. Stir the inorganic powder and lubricant evenly and then dry, so that the lubricant is evenly coated on the surface of the inorganic powder. After that, the inorganic powder and nucleating agent uniformly coated with the lubricant and the copolymerized nylon material are stirred, mixed and dried, and then the kneading process is carried out to form the fiber masterbatch. The fiber masterbatch is then used for a spinning process to form fibers
在本發明的一實施例中,紡絲製程的紡絲溫度為195℃至220℃。In an embodiment of the present invention, the spinning temperature in the spinning process is 195°C to 220°C.
在本發明的一實施例中,纖維的規格是57丹/24根至140丹/24根。In one embodiment of the present invention, the fiber specification is 57 den/24 to 140 den/24.
在本發明的一實施例中,纖維的纖維規格是57丹/24根至70丹/24根。In one embodiment of the present invention, the fiber specification of the fibers is 57 den/24 to 70 den/24.
在本發明的一實施例中,纖維的纖維強度是2.16克/丹(g/d)至3.14克/丹。In one embodiment of the present invention, the fiber strength of the fibers is 2.16 grams per dain (g/d) to 3.14 grams per dain.
在本發明的一實施例中,共聚耐隆材料的熔點為90℃至110℃。In an embodiment of the present invention, the melting point of the copolymerized nylon material is 90°C to 110°C.
在本發明的一實施例中,將無機粉體及潤滑劑置於160℃的溫度下2小時以3000 rpm的攪拌速率進行攪拌。In an embodiment of the present invention, the inorganic powder and the lubricant are stirred at a temperature of 160° C. for 2 hours at a stirring rate of 3000 rpm.
基於上述,本發明提供一種纖維的製造方法,其中添加無機粉體於熱熔材料中,以增加其表面粗糙度,防止纖維紡製時產生沾黏,同時添加潤滑劑於熱熔材料中,以使纖維紡製時表面具有潤滑效果,進而避免纖維與紡絲設備導輪產生黏輪的現象。如此一來,可顯著地提升纖維的可紡絲性。Based on the above, the present invention provides a fiber manufacturing method, wherein inorganic powder is added to the hot-melt material to increase its surface roughness and prevent the fibers from sticking during spinning, and at the same time, a lubricant is added to the hot-melt material to prevent The surface of the fiber has a lubricating effect during spinning, thereby avoiding the phenomenon of sticking between the fiber and the guide wheel of the spinning equipment. In this way, the spinnability of the fibers can be significantly improved.
為讓本發明的上述特徵和優點能更明顯易懂,下文特舉實施例,並配合所附圖式作詳細說明如下。In order to make the above-mentioned features and advantages of the present invention more obvious and easy to understand, the following embodiments are given and described in detail with the accompanying drawings as follows.
圖1為依照本發明一實施例之纖維的製造方法之流程示意圖。以下,將以圖1詳細描述依照本發明一實施例之纖維的製造方法。FIG. 1 is a schematic flowchart of a manufacturing method of a fiber according to an embodiment of the present invention. Hereinafter, the manufacturing method of the fiber according to an embodiment of the present invention will be described in detail with reference to FIG. 1 .
請參照圖1。首先,進行步驟S110,將無機粉體及潤滑劑攪拌均勻再乾燥,以使潤滑劑均勻披覆於無機粉體的表面上。如此一來,能夠藉由混練製程將其均勻分散於粒子之中,進而可使無機粉體於後續纖維製程外露於纖維表面之機會增加,使其增加表面粗糙度。此處所述的「均勻披覆」,較佳例如是使潤滑劑於無機粉體的表面上形成厚度大致上具有均一性的披覆層。Please refer to Figure 1. First, step S110 is performed, and the inorganic powder and the lubricant are evenly stirred and then dried, so that the lubricant is uniformly coated on the surface of the inorganic powder. In this way, it can be uniformly dispersed in the particles through the kneading process, thereby increasing the chance of the inorganic powder being exposed on the surface of the fiber in the subsequent fiber process, thereby increasing the surface roughness. The "uniform coating" referred to here is preferably, for example, forming a coating layer with a substantially uniform thickness of the lubricant on the surface of the inorganic powder.
更詳細而言,將經攪拌均勻的無機粉體及潤滑劑置於例如160℃的溫度下2小時以進行攪拌,攪拌速率例如是3000 rpm,以使潤滑劑均勻披覆於無機粉體的表面上。如此一來,可在之後的步驟S120更均勻地分散於共聚耐隆材料(低熔點材料)中,以提升分散性,進而改善紡絲不順的問題並使紡絲性提高。在本實施例中,潤滑劑可包括硬酯酸醯胺蠟,其熔點約為150℃,因此,在加熱至160℃時,可均勻披覆於無機粉體的表面上。無機粉體的材料可包括TiO2 ,其粒徑例如是200 nm至300 nm,當無機粉體的粒徑為上述範圍時,具有較佳的紡絲性。In more detail, the uniformly stirred inorganic powder and lubricant are placed at a temperature of, for example, 160° C. for 2 hours for stirring, and the stirring rate is, for example, 3000 rpm, so that the lubricant is uniformly coated on the surface of the inorganic powder. superior. In this way, it can be more uniformly dispersed in the copolymerized nylon material (low melting point material) in the subsequent step S120 to improve the dispersibility, thereby improving the problem of spinning unevenness and improving the spinnability. In this embodiment, the lubricant may include stearic acid amide wax, the melting point of which is about 150°C. Therefore, when heated to 160°C, the lubricant can be uniformly coated on the surface of the inorganic powder. The material of the inorganic powder may include TiO 2 , and its particle size is, for example, 200 nm to 300 nm. When the particle size of the inorganic powder is in the above range, it has better spinnability.
接著,請繼續參照圖1,進行步驟S120,將經潤滑劑均勻披覆的無機粉體及成核劑與共聚耐隆材料攪拌混合及乾燥,再進行混練製程,以形成纖維母粒。之後,使用所形成的纖維母粒進行紡絲製程,即可製成纖維。更詳細而言,導輪溫度例如是15℃至40℃(冷延伸紗線,不加熱),紡絲溫度例如是195℃至220℃。利用本發明之纖維的製造方法所紡出的纖維規格例如是57丹/24根至140丹/24根。Next, please continue to refer to FIG. 1 , go to step S120 , stir, mix and dry the inorganic powder and nucleating agent uniformly coated with the lubricant and the copolymerized nylon material, and then perform the kneading process to form the fiber masterbatch. After that, using the formed fiber masterbatch for spinning process, the fiber can be made. More specifically, the pulley temperature is, for example, 15°C to 40°C (cold-drawn yarn without heating), and the spinning temperature is, for example, 195°C to 220°C. The fiber specification spun by the fiber manufacturing method of the present invention is, for example, 57 den/24 to 140 den/24.
更詳細而言,將經潤滑劑均勻披覆的無機粉體及成核劑與共聚耐隆材料攪拌混合例如是在600 rpm的攪拌速率下攪拌20分鐘,再置於例如65℃的溫度下18小時至24小時以進行乾燥。混練製程的混練溫度例如是140℃至190℃。在本實施例中,成核劑可包括磷酸酯鈉鹽。共聚耐隆材料的熔點例如是90℃至110℃(低熔點材料),主要是利用長碳鏈耐隆添加不對稱單體進行聚合改質而成,所添加的單體例如是H2 N-(CH2 )a -COOH,其中a為6~10的整數;H2 N-(CH2 )b -N2 H,其中b為6~12的整數;HOOC-(CH2 )6 -COOH;以及(CH2 )6 -CONH。In more detail, the inorganic powder and the nucleating agent uniformly coated with the lubricant are stirred and mixed with the copolymerized nylon material, for example, at a stirring speed of 600 rpm for 20 minutes, and then placed at a temperature of, for example, 65 ° C for 18 . hours to 24 hours for drying. The kneading temperature in the kneading process is, for example, 140°C to 190°C. In this embodiment, the nucleating agent may include a sodium phosphate salt. The melting point of the copolymerized nylon material is, for example, 90°C to 110°C (low melting point material). (CH 2 ) a -COOH, wherein a is an integer of 6-10; H 2 N-(CH 2 ) b -N 2 H, wherein b is an integer of 6-12; HOOC-(CH 2 ) 6 -COOH; and (CH 2 ) 6 -CONH.
在本發明纖維的製造方法中,以纖維母粒的總重量計,共聚耐隆材料的添加量例如是97重量份至99重量份,成核劑的添加量例如是0.5重量份至1重量份,無機粉體的添加量例如是0.5重量份,潤滑劑的添加量例如是0.05重量份至0.2重量份。當無機粉體的添加量為上述範圍時,具有較佳的分散性;當潤滑劑的添加量為上述範圍時,具有較佳的紡絲性,若潤滑劑的添加量大於0.2重量份,可能導致紡絲性下降。In the fiber manufacturing method of the present invention, based on the total weight of the fiber masterbatch, the addition amount of the copolymerized nylon material is, for example, 97 to 99 parts by weight, and the addition amount of the nucleating agent is, for example, 0.5 to 1 part by weight , the addition amount of the inorganic powder is, for example, 0.5 parts by weight, and the addition amount of the lubricant is, for example, 0.05 parts by weight to 0.2 parts by weight. When the addition amount of the inorganic powder is in the above range, it has better dispersibility; when the addition amount of the lubricant is in the above range, it has better spinnability. resulting in decreased spinnability.
以下,藉由實驗例來詳細說明上述實施例所提出之纖維的製造方法。然而,下述實驗例並非用以限制本發明。實驗例 Hereinafter, the manufacturing method of the fiber proposed by the above-mentioned embodiment will be described in detail by means of an experimental example. However, the following experimental examples are not intended to limit the present invention. Experimental example
為了證明本發明所提出之纖維的製造方法能夠提升紡絲性,以下特別作此實驗例。In order to prove that the fiber manufacturing method proposed by the present invention can improve the spinnability, this experimental example is specially made below.
必須說明的是,由於纖維的製造方法已於上文中詳細地描述,因此,下文中有關纖維的製備,為求方便說明故省略製備細節之敘述。纖維母粒的 製備 It must be noted that, since the manufacturing method of the fiber has been described in detail above, the following description of the fiber preparation is omitted for convenience of explanation. Preparation of Fiber Masterbatch
依據以下表1中所列出的各組分含量,製備實例1至實例2及比較例1至比較例9的纖維母粒。在表1中,共聚耐隆材料A為阿科瑪(Arkema)公司出產的2468A,共聚耐隆材料B為贏創工業股份有限公司(Evonik Industries AG)出產的730,鏈延長劑為苯乙烯接枝馬來酸酐,無機粉體A的粒徑為200 nm至300 nm,無機粉體B的粒徑為約700 nm。表 1
針對實例1至實例2及比較例1至比較例9的纖維母粒量測熔點及相對黏度。熔點是以ASTM D3418標準測試方式進行,固定試片測試重量為5 mg,採用示差掃描熱分析儀(Differential Scanning Calorimetry, DSC)以升溫速率每分鐘10℃,從室溫升溫到300℃進行檢測分析。相對黏度是以ASTM D4603標準測試方式進行,使用溶劑96%硫酸將改質耐隆粒加熱溶解至均勻為止,量其在黏度計中由上刻度到下刻度所需之時間。測試前必須將黏度計靜置在25±0.05℃之恆溫水槽中靜置20分鐘,然後用同一支黏度計在相同之溫度下分別量測試樣及純溶劑由上刻度到下刻度所需之時間,此兩個時間之比值即為相對黏度(RV)。實例1至實例2及比較例1至比較例9的纖維母粒的熔點及相對黏度列於表2中。Melting points and relative viscosities were measured for the fiber masterbatches of Examples 1-2 and Comparative Examples 1-9. The melting point is carried out in the ASTM D3418 standard test method, the test weight of the fixed test piece is 5 mg, and the differential scanning calorimetry (Differential Scanning Calorimetry, DSC) is used at a heating rate of 10 °C per minute, from room temperature to 300 °C for detection and analysis . The relative viscosity is measured by the ASTM D4603 standard test method. The modified nylon granules are heated and dissolved in a solvent of 96% sulfuric acid until uniform, and the time required to change from the upper scale to the lower scale in the viscometer is measured. Before the test, the viscometer must be placed in a constant temperature water bath at 25±0.05°C for 20 minutes, and then the same viscometer is used to measure the required amount of the test sample and pure solvent from the upper scale to the lower scale at the same temperature. time, the ratio of the two times is the relative viscosity (RV). The melting points and relative viscosities of the fiber masterbatches of Examples 1 to 2 and Comparative Examples 1 to 9 are listed in Table 2.
將實例1至實例2及比較例1至比較例9的纖維母粒進行紡絲製程並觀察紡絲性。同時,量測所紡出的纖維規格/強度/伸度,纖維強伸度是以ASTM D2256標準測試方式進行。紡絲性、紡絲溫度及纖維規格/強度/伸度如表2所示,其中所列出的三段紡絲溫度分別為進料溫度、輸送溫度及紡口溫度。The fiber masterbatches of Examples 1 to 2 and Comparative Examples 1 to 9 were subjected to a spinning process and the spinnability was observed. At the same time, measure the size/strength/elongation of the spun fibers, and the fiber strength and elongation are carried out in the standard test method of ASTM D2256. The spinnability, spinning temperature and fiber specification/strength/elongation are shown in Table 2, wherein the listed three-stage spinning temperatures are feed temperature, conveying temperature and spinning mouth temperature, respectively.
在表2中,紡絲性評估的結果分別是以「◎」、「△」或「×」的符號表示,其中各符號所代表的意義如下:
◎:可紡絲
△:纖維些微黏紗
×:纖維黏紗、纖維無法固化或飄絲現象嚴重表 2
如上方表1及表2所示,實例1及實例2為利用本發明之纖維的製造方法所製成的纖維母粒,具有良好的紡絲性,且不具有纖維黏紗、纖維無法固化或飄絲現象嚴重等問題。相較之下,未添加無機粉體及潤滑劑的比較例1至比較例4出現纖維黏紗問題。此外,比較例5添加了過量的潤滑劑(超出0.05重量份至0.2重量份的範圍),則具有纖維無法固化的問題。比較例6添加了過量的無機粉體(超出0.5重量份的範圍),則具有飄絲現象嚴重的問題。比較例7及比較例8則是使用粒徑為約700 nm的無機粉體B,而非本發明所提出的粒徑為200 nm至300 nm之無機粉體A,因此,出現纖維黏紗問題。As shown in Table 1 and Table 2 above, Examples 1 and 2 are fiber masterbatches prepared by the fiber manufacturing method of the present invention, which have good spinnability, and do not have fiber sticky yarn, fibers that cannot be cured or Serious problems such as floating silk phenomenon. In contrast, the problems of fiber sticking occurred in Comparative Examples 1 to 4 without adding inorganic powder and lubricant. In addition, Comparative Example 5 added an excessive amount of lubricant (beyond the range of 0.05 to 0.2 parts by weight), and there was a problem that the fibers could not be cured. In Comparative Example 6, when an excessive amount of inorganic powder was added (out of the range of 0.5 parts by weight), there was a serious problem of the floating phenomenon. In Comparative Example 7 and Comparative Example 8, inorganic powder B with a particle size of about 700 nm was used instead of inorganic powder A with a particle size of 200 nm to 300 nm proposed in the present invention, so the problem of fiber sticking occurred. .
基於上述,本發明提供一種纖維的製造方法,其中添加無機粉體於熱熔材料中,以增加其表面粗糙度,防止纖維紡製時產生沾黏,同時添加潤滑劑於熱熔材料中,以使纖維紡製時表面具有潤滑效果,進而避免纖維與紡絲設備導輪產生黏輪的現象。更詳細而言,本發明之纖維的製造方法將無機粉體及潤滑劑攪拌均勻再乾燥,以使潤滑劑均勻披覆於無機粉體的表面上。如此一來,能夠提升分散性,進而改善紡絲不順的問題並使紡絲性提高。Based on the above, the present invention provides a fiber manufacturing method, wherein inorganic powder is added to the hot-melt material to increase its surface roughness and prevent the fibers from sticking during spinning, and at the same time, a lubricant is added to the hot-melt material to prevent The surface of the fiber has a lubricating effect during spinning, thereby avoiding the phenomenon of sticking between the fiber and the guide wheel of the spinning equipment. More specifically, in the fiber manufacturing method of the present invention, the inorganic powder and the lubricant are uniformly stirred and then dried, so that the lubricant is uniformly coated on the surface of the inorganic powder. In this way, the dispersibility can be improved, the problem of spinning irregularity can be improved, and the spinnability can be improved.
雖然本發明已以實施例揭露如上,然其並非用以限定本發明,任何所屬技術領域中具有通常知識者,在不脫離本發明的精神和範圍內,當可作些許的更動與潤飾,故本發明的保護範圍當視後附的申請專利範圍所界定者為準。Although the present invention has been disclosed as above with examples, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be determined by the scope of the appended patent application.
S110、S120‧‧‧步驟Steps for S110, S120‧‧‧
圖1為依照本發明一實施例之纖維的製造方法之流程示意圖。FIG. 1 is a schematic flowchart of a manufacturing method of a fiber according to an embodiment of the present invention.
S110、S120‧‧‧步驟 Steps for S110, S120‧‧‧
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CN106380837A (en) * | 2016-08-31 | 2017-02-08 | 上海跃贝塑化科技有限公司 | Glass fiber reinforced nylon 6 material with excellent dimensional stability and preparation method thereof |
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CN106380837A (en) * | 2016-08-31 | 2017-02-08 | 上海跃贝塑化科技有限公司 | Glass fiber reinforced nylon 6 material with excellent dimensional stability and preparation method thereof |
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