TWI648444B - Composite fiber, false twist processing line thereof, manufacturing method thereof, and fabric - Google Patents
Composite fiber, false twist processing line thereof, manufacturing method thereof, and fabric Download PDFInfo
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Abstract
本發明提供一種具有優異耐摩擦熔融性且加工性或染色性良好之耐摩擦熔融性布帛用聚酯複合纖維。 The present invention provides a polyester composite fiber for a friction-resistant melt fabric having excellent friction and melt resistance and excellent workability or dyeability.
本發明係一種耐摩擦熔融性布帛用複合纖維，其係由芯部與完全覆蓋芯部之鞘部所構成之複合纖維，其特徵在於：芯部之聚合物係由2種以上之熱塑性聚合物所構成之聚合物摻合物(polymer alloy)，上述聚合物摻合物由聚酯、聚烯烴及相容劑所構成，上述聚合物摻合物係形成有海相為聚酯、島相為聚烯烴之海島結構者，鞘部之聚合物為聚酯。 The present invention relates to a composite fiber for friction-resistant melt fabric, which is a composite fiber composed of a core portion and a sheath portion completely covering the core portion, wherein the polymer of the core portion is composed of two or more thermoplastic polymers. The polymer alloy is composed of a polyester, a polyolefin and a compatibilizing agent. The polymer blend is formed by a marine phase as a polyester and an island phase. For the island structure of polyolefin, the polymer of the sheath is polyester.
Description
本發明係關於一種耐摩擦熔融性優異之複合纖維、假撚加工線及其製造方法、以及布帛。 The present invention relates to a composite fiber excellent in friction and melt resistance, a false twist processing line, a method for producing the same, and a fabric.
聚酯纖維因其優異之力學特性及化學特性而大量用於運動衣料領域。然而，聚酯等合成纖維與棉或嫘縈等天然系纖維不同而具有如下缺點：於體育館等中滑動時，布帛由於地板與布帛之間所產生之摩擦熱而熔融，從而於布帛上產生洞。 Polyester fiber is widely used in the field of sportswear due to its excellent mechanical properties and chemical properties. However, synthetic fibers such as polyester differ from natural fibers such as cotton or enamel in that, when sliding in a gymnasium or the like, the fabric melts due to the frictional heat generated between the floor and the fabric, thereby creating a hole in the fabric. .
為了解決上述問題，迄今為止提出有大量提案。 In order to solve the above problems, a large number of proposals have been proposed so far.
例如，於專利文獻1、2中列舉有與嫘縈等天然系纖維或耐熱纖維混用之方法，於專利文獻3中提出有於後處理中添加矽或聚乙烯蠟等平滑劑之方法。 For example, Patent Document 1 and 2 disclose a method of mixing with a natural fiber or a heat-resistant fiber such as ruthenium. Patent Document 3 proposes a method of adding a smoothing agent such as ruthenium or polyethylene wax to the post-treatment.
又，作為改善聚酯纖維本身之方法，於專利文獻4、5中提出有利用於聚酯纖維之芯部配置有熔點低於聚酯之低熔點聚合物的複合纖維之方法，關於其作用機制，係於聚酯熔融前，藉由利用芯部之低熔點聚合物之熔解的吸熱作用而吸收由摩擦產生之摩擦熱，藉此減少聚酯之熔融。因此，於消除了摩擦熱之情形時，芯部之低熔點聚合物再次固化，故而可重複利用，又，亦可獲得對於洗滌等之耐久性。 Further, as a method for improving the polyester fiber itself, Patent Documents 4 and 5 propose a method for advantageously using a composite fiber having a melting point lower than that of a polyester having a low melting point polymer in a core portion of a polyester fiber, and a mechanism thereof The friction heat generated by the friction is absorbed by the endothermic action of the melting of the low melting point polymer of the core before the polyester is melted, thereby reducing the melting of the polyester. Therefore, when the frictional heat is eliminated, the low-melting polymer of the core is cured again, so that it can be reused, and durability against washing or the like can be obtained.
[專利文獻1]日本實願昭59-26076號(日本實開昭60-140789號)之縮微膠捲 [Patent Document 1] Microfilm of Japan, Vol. 59-26076 (Japan Shikai Show 60-140789)
[專利文獻2]日本實願昭61-8590號(日本實開昭62-122879號)之縮微膠捲 [Patent Document 2] Microfilm of Japanese Patent No. 61-8590 (Japan Shikai Sho 62-122879)
[專利文獻3]日本特開昭63-243379號公報 [Patent Document 3] JP-A-63-243379
[專利文獻4]日本特開平4-11006號公報 [Patent Document 4] Japanese Patent Laid-Open No. 4-1106
[專利文獻5]日本特開平6-49712號公報 [Patent Document 5] Japanese Patent Laid-Open No. Hei 6-49712
然而，上述專利文獻1、2之方法具有混用步驟之成本變高或各纖維之染色性不同等缺點。 However, the methods of Patent Documents 1 and 2 described above have disadvantages such as a high cost of the mixing step or a difference in dyeability of each fiber.
並且，專利文獻3之方法具有如下缺點：因後處理而引起質感之變化，或平滑劑因洗滌等而脫落，故而耐久性較差等。 Further, the method of Patent Document 3 has a drawback in that the texture is changed due to the post-treatment, or the smoothing agent is detached by washing or the like, and thus the durability is poor.
又，關於專利文獻4、5之方法，於使用聚烯烴作為芯部之低熔點聚合物之情形時，與聚酯之親和性不充分，故於紡絲或假撚加工時、洗滌等之使用時，容易產生芯鞘剝離，從而產生加工性變差或色斑之問題。尤其是於施加較大之熱與外力而進行假撚加工時，於與聚酯纖維相同之加工溫度條件下進行加工之情形時，產生如下問題：不僅芯部與鞘部剝離，而且於鞘部產生龜裂，芯部之聚烯烴漏出，因此產生大量白粉。反之，於緩和了加工溫度條件之條件下進行加工之情形時，聚酯複合纖維未被熱固化，未獲得足夠之伸縮性與蓬鬆性。 Further, in the case of the methods of Patent Documents 4 and 5, when a polyolefin is used as the low melting point polymer of the core, the affinity with the polyester is insufficient, so that it is used in spinning, false twisting, washing, or the like. At the time, the core sheath peeling easily occurs, resulting in a problem of deterioration in workability or color unevenness. In particular, when performing false twisting processing by applying a large amount of heat and external force, when processing is performed under the same processing temperature conditions as the polyester fiber, there arises a problem that not only the core portion and the sheath portion are peeled off but also the sheath portion. Cracks are generated and the polyolefin of the core leaks out, thus producing a large amount of white powder. On the other hand, when the processing was carried out under the conditions of the processing temperature conditions, the polyester composite fiber was not thermally cured, and sufficient stretchability and bulkiness were not obtained.
因此，本發明之目的在於改善上述先前技術之課題，提供一種加工性或染色性良好之耐摩擦熔融性布帛用之聚酯複合纖維、使用其之假撚加工線及布帛。 Accordingly, an object of the present invention is to improve the above-mentioned problems of the prior art, and to provide a polyester conjugate fiber for a friction-resistant melt fabric having excellent workability or dyeability, a false twist processing line and a fabric using the same.
本發明者等人進行努力研究，結果發現，利用聚合物摻合物 技術形成使聚烯烴穩定地分散於聚酯中之海島型摻合物結構，藉此可獲得減少由各加工時及使用時之熱或外力引起之聚合物界面之剝離的具有耐摩擦熔融性之聚酯複合纖維。又，除上述以外，發現藉由形成為於芯部配置有該聚合物摻合物、於鞘部配置有聚酯之纖維橫截面形態，可獲得改善因局部露出引起之缺陷者。又，此次發現，藉由芯部採用使聚烯烴分散於聚酯中之海島型摻合物結構且鞘部完全覆蓋芯部，可獲得染色性良好之聚酯複合纖維。 The inventors of the present invention conducted an effort to study and found that the use of a polymer blend The technique forms an island-in-the-sea type blend structure in which a polyolefin is stably dispersed in a polyester, whereby frictional melt resistance which can reduce peeling of a polymer interface caused by heat or external force at the time of each processing and use can be obtained. Polyester composite fiber. Further, in addition to the above, it has been found that a fiber cross-sectional form in which the polymer blend is disposed in the core portion and the polyester portion is disposed in the sheath portion can be used to improve defects caused by partial exposure. Further, it has been found that a polyester composite fiber excellent in dyeability can be obtained by using a sea-island type blend structure in which a polyolefin is dispersed in a polyester and a sheath portion completely covers the core portion.
即，本發明之主旨在於，一種耐摩擦熔融性布帛用之複合纖維，其係由芯部與完全覆蓋芯部之鞘部所構成之複合纖維，其特徵在於：芯部之聚合物為由2種以上之熱塑性聚合物所構成之聚合物摻合物，上述聚合物摻合物由聚酯、聚烯烴及相容劑所構成，上述聚合物摻合物係形成有海相為聚酯、島相為聚烯烴之海島型摻合物結構者，鞘部之聚合物為聚酯。 That is, the main object of the present invention is a composite fiber for a friction-resistant melt fabric which is a composite fiber composed of a core portion and a sheath portion completely covering the core portion, wherein the polymer of the core portion is composed of 2 a polymer blend composed of a thermoplastic polymer comprising a polyester, a polyolefin and a compatibilizing agent, wherein the polymer blend is formed with a marine phase as a polyester or an island. In the case of a polyolefin island type blend structure, the polymer of the sheath is a polyester.
其中，上述聚烯烴較佳為選自由低密度聚乙烯、直鏈狀低密度聚乙烯及高密度聚乙烯所組成之群中之至少1種聚合物。又，芯部之聚合物摻合物中之聚酯及聚烯烴之質量比率較佳為95：5~55：45。 The polyolefin is preferably at least one polymer selected from the group consisting of low density polyethylene, linear low density polyethylene, and high density polyethylene. Further, the mass ratio of the polyester to the polyolefin in the polymer blend of the core is preferably from 95:5 to 55:45.
又，本發明亦為一種假撚加工線，其由上述複合纖維所構成。本發明之假撚加工線較佳為伸縮恢復率為20%以上，更佳為殘餘扭矩為30T/m以上，進而較佳為強度為3.0cN/dtex以上、伸長率為20%以上。 Further, the present invention is also a false twist processing line which is composed of the above composite fiber. The false twist processing line of the present invention preferably has a stretch recovery ratio of 20% or more, more preferably a residual torque of 30 T/m or more, further preferably a strength of 3.0 cN/dtex or more and an elongation of 20% or more.
又，本發明亦為一種假撚加工線之製造方法，其係上述假撚加工線之製造方法，且使用複合纖維於加熱器溫度為180~220℃、撚數為2000~4000T/m之條件下進行假撚加工，該複合纖維係芯部之聚合物為由2種以上之熱塑性聚合物所構成之聚合物摻合物，上述聚合物摻合物由聚酯、聚烯烴及相容劑所構成，上述聚合物摻合物係形成有海相為聚酯、島相為聚烯烴之海島結構之芯部未露出於纖維表面者。 Moreover, the present invention is also a method for manufacturing a false twist processing line, which is a method for manufacturing the false twist processing line, and uses a composite fiber at a heater temperature of 180 to 220 ° C and a number of turns of 2000 to 4000 T/m. The false twist processing is performed, and the polymer of the core of the composite fiber is a polymer blend composed of two or more thermoplastic polymers, and the polymer blend is composed of a polyester, a polyolefin, and a compatibilizer. In the above configuration, the polymer blend is formed such that the core portion of the sea-island structure in which the sea phase is a polyester and the island phase is a polyolefin is not exposed to the surface of the fiber.
並且，本發明亦為一種耐摩擦熔融性布帛，其於至少一部分使用有上述複合纖維或上述假撚加工線。 Further, the present invention is also a friction-resistant melt fabric which is used in at least a part of the above-mentioned composite fiber or the above false twist processing line.
藉由本發明，可提供一種加工性或染色性良好之耐摩擦熔融性布帛用複合纖維。 According to the present invention, it is possible to provide a composite fiber for friction-resistant melt fabric which is excellent in workability or dyeability.
又，藉由使用本發明之耐摩擦熔融性布帛用複合纖維，可提供一種耐摩擦熔融性、加工性、染色性均良好之假撚加工線或布帛。 Moreover, by using the conjugate fiber for friction-resistant melt fabric of the present invention, it is possible to provide a false twist processing line or fabric which is excellent in frictional melt resistance, workability, and dyeability.
a‧‧‧聚合物摻合物成分 A‧‧‧ polymer blend composition
b‧‧‧聚酯成分 B‧‧‧ polyester composition
圖1係表示本發明之複合纖維之纖維橫截面之例的圖。 BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing an example of a cross section of a fiber of a composite fiber of the present invention.
以下，對本發明進行詳細地說明。 Hereinafter, the present invention will be described in detail.
本發明係由芯部之聚合物與鞘部之聚合物所構成之複合纖維。 The present invention is a composite fiber composed of a polymer of a core and a polymer of a sheath.
芯部之聚合物係由2種以上之熱塑性聚合物所構成之聚合物摻合物，該聚合物摻合物係形成有海相為聚酯、島相為聚烯烴之海島結構者。 The polymer of the core is a polymer blend composed of two or more kinds of thermoplastic polymers, and the polymer blend is formed into a sea-island structure in which the marine phase is a polyester and the island phase is a polyolefin.
首先，對本發明中之作為鞘部之聚合物及芯部之海相的聚酯進行說明。 First, the polyester which is the polymer of the sheath portion and the sea phase of the core portion in the present invention will be described.
本發明之聚酯係由二羧酸或其酯形成性衍生物與二醇或其酯形成性衍生物所合成之聚合物。作為此種聚酯，可列舉：聚對苯二甲酸乙二酯、聚對苯二甲酸丁二酯、聚對苯二甲酸丙二酯等，就力學特性、紡絲性之觀點而言，較佳為聚對苯二甲酸乙二酯或聚對苯二甲酸丁二酯。 The polyester of the present invention is a polymer synthesized from a dicarboxylic acid or an ester-forming derivative thereof and a diol or an ester-forming derivative thereof. Examples of such a polyester include polyethylene terephthalate, polybutylene terephthalate, and polytrimethylene terephthalate. From the viewpoint of mechanical properties and spinnability, Preferably, it is polyethylene terephthalate or polybutylene terephthalate.
又，就該等聚酯而言，只要於無損本發明之目的之範圍內，則亦可使其他成分共聚合。具體而言，作為共聚合成分，於二羧酸成分中，可列舉：間苯二甲酸、萘二甲酸、4,4-二苯基二甲酸、己二酸、癸二酸及其 酯形成性衍生物等。又，作為二醇成分，可列舉：二乙二醇、己二醇、新戊二醇、環己烷二甲醇等。又，亦可列舉：聚乙二醇、聚丙二醇等聚氧伸烷基二醇。作為共聚合量，較佳為每構成之重複單位為10莫耳%以內，更佳為5莫耳%以內。 Further, in the case of such polyesters, other components may be copolymerized as long as they do not detract from the object of the present invention. Specifically, examples of the copolymer component include isophthalic acid, naphthalene dicarboxylic acid, 4,4-diphenyl dicarboxylic acid, adipic acid, and sebacic acid. An ester-forming derivative or the like. Further, examples of the diol component include diethylene glycol, hexanediol, neopentyl glycol, and cyclohexane dimethanol. Further, examples thereof include polyoxyalkylene glycols such as polyethylene glycol and polypropylene glycol. The amount of copolymerization is preferably within 10 mol%, more preferably within 5 mol%, per repeating unit of the composition.
作為本發明中之聚酯之製造方法，可列舉以如下方式製造之方法等：首先以上述二羧酸或其酯形成性衍生物與二醇或其酯形成衍生物作為主要起始原料並依據常規方法進行酯化或酯交換反應後，進而於高溫、減壓下進行聚縮合反應。 The method for producing the polyester in the present invention includes a method of producing the above-mentioned dicarboxylic acid or an ester-forming derivative thereof and a diol or an ester-forming derivative thereof as a main starting material and After the esterification or transesterification reaction is carried out by a conventional method, the polycondensation reaction is further carried out under high temperature and reduced pressure.
本發明中之聚酯黏度並無特別限制，可使用通常之聚酯纖維所應用之極限黏度[η]之聚酯。就紡絲性及纖維之力學強度之方面而言，例如若為聚對苯二甲酸乙二酯，則極限黏度[η]較佳為0.4~1.5，更佳為0.55~1.0。 The viscosity of the polyester in the present invention is not particularly limited, and a polyester having an ultimate viscosity [η] applied to a usual polyester fiber can be used. In terms of spinnability and mechanical strength of the fiber, for example, if it is polyethylene terephthalate, the ultimate viscosity [η] is preferably from 0.4 to 1.5, more preferably from 0.55 to 1.0.
再者，於無損本發明之目的之範圍內，亦可於該等聚酯中含有少量其他聚合物或抗氧化劑、熱穩定劑、消光劑、顏料、紫外線吸收劑、螢光增白劑、塑化劑或其他添加劑等。 Further, in the range which does not impair the purpose of the present invention, a small amount of other polymers or antioxidants, heat stabilizers, matting agents, pigments, ultraviolet absorbers, fluorescent whitening agents, plastics may be contained in the polyesters. Chemical agents or other additives.
繼而，對本發明中之作為芯部之島相之聚烯烴進行說明。 Next, the polyolefin which is the island phase of the core in the present invention will be described.
就芯部之聚合物而言，為了獲得耐摩擦熔融性而使用使熔點低於聚酯之聚合物分散於上述聚酯中者。為了最大限度地發揮耐摩擦熔融性，較佳為與聚酯之熔點差較大且熔解熱量大之聚合物，又，較佳為可承受聚酯之熔融紡絲溫度之聚合物。作為滿足該等要求之聚合物，可列舉聚烯烴。作為聚烯烴，例如可列舉：低密度聚乙烯、直鏈狀低密度聚乙烯、高密度聚乙烯、聚丙烯、聚甲基戊烯、及該等之共聚物等。其中，較佳為與聚酯之親和性優於其他聚烯烴且熔解熱量大之低密度聚乙烯、直鏈狀低密度聚乙烯或高密度聚乙烯。尤佳為高密度聚乙烯。再者，所謂低密度聚乙烯，係密度為0.910~0.929，所謂直鏈狀低密度聚乙烯，係密度為0.930~0.941， 所謂高密度聚乙烯，係密度為0.942以上。又，該等聚烯烴可單獨使用，亦可併用2種以上。此處所謂密度，係試樣之質量與體積之比，單位以g/cm3表示。 In the case of the polymer of the core, in order to obtain friction-resistant meltability, a polymer having a melting point lower than that of the polyester is dispersed in the above polyester. In order to maximize the frictional melt resistance, a polymer having a large difference in melting point from the polyester and having a large heat of fusion is preferable, and a polymer which can withstand the melt spinning temperature of the polyester is preferable. As a polymer satisfying these requirements, a polyolefin is mentioned. Examples of the polyolefin include low density polyethylene, linear low density polyethylene, high density polyethylene, polypropylene, polymethylpentene, and copolymers thereof. Among them, low-density polyethylene, linear low-density polyethylene or high-density polyethylene having a higher affinity with polyester than other polyolefins and having a large heat of fusion is preferable. Especially good for high density polyethylene. Further, the low-density polyethylene has a density of 0.910 to 0.929, a linear low-density polyethylene having a density of 0.930 to 0.941, and a high-density polyethylene having a density of 0.942 or more. Further, these polyolefins may be used singly or in combination of two or more. The density here is the ratio of the mass to the volume of the sample, and the unit is expressed in g/cm 3 .
又，於無損本發明之目的之範圍內，亦可於該等聚烯烴中含有少量其他聚合物或抗氧化劑、熱穩定劑、消光劑、顏料、紫外線吸收劑、螢光增白劑、塑化劑或其他添加劑等。 Further, in the range which does not impair the object of the present invention, a small amount of other polymers or antioxidants, heat stabilizers, matting agents, pigments, ultraviolet absorbers, fluorescent whitening agents, plasticizing agents may be contained in the polyolefins. Agent or other additives.
作為本發明中之芯部之聚合物摻合物中之聚酯與聚烯烴的 質量比率，較佳為95：5~55：45，更佳為85：15~60：40，進而較佳為80：20~65：35。若聚烯烴未達5質量%，則有作為所獲得之聚酯複合纖維而未獲得充分之耐摩擦熔融性之虞。另一方面，於聚烯烴多於45質量%之情形時，有因聚烯烴向聚酯中之分散變差而紡絲性惡化，或相結構之海相與島相顛倒之虞，故而欠佳。 Polyester and polyolefin in the polymer blend of the core in the present invention The mass ratio is preferably 95:5 to 55:45, more preferably 85:15 to 60:40, and still more preferably 80:20 to 65:35. When the polyolefin is less than 5% by mass, there is a problem that sufficient friction-resistant meltability is not obtained as the obtained polyester conjugate fiber. On the other hand, when the polyolefin is more than 45% by mass, the spinning property is deteriorated due to the dispersion of the polyolefin into the polyester, or the phase of the sea phase and the island phase are reversed, which is not preferable. .
繼而，對本發明中之芯部之聚合物摻合物中所含有之相容劑進行說明。 Next, the compatibilizing agent contained in the polymer blend of the core in the present invention will be described.
關於本發明中之芯部之聚合物摻合物，由於聚酯與聚烯烴之相容性不充分，故若為利用通常之方法進行熔融混合而獲得者，則聚烯烴向聚酯中之分散性較差，產生紡絲性之惡化或所獲得之纖維之物性之降低。因此，於本發明中，必需於上述聚合物摻合物中添加相容劑。本發明中之所謂相容劑，係於混合2種以上之聚合物之情形時，作用於聚合物界面而使兩者之形態穩定之化合物。於本發明中，藉由添加相容劑而發揮使聚酯中之聚烯烴之分散穩定並使紡絲性變得良好之作用。藉此，可使聚烯烴穩定地高度分散於聚酯中。於為本發明中之聚酯與聚烯烴之聚合物摻合物之情形時，作為所使用之相容劑，可列舉改質聚烯烴。上述改質聚烯烴係分子內具有羧酸、羧酸金屬鹼基、羧酸酯基、乙酸酐及環氧基等官能基之聚烯烴。只要為使具有該等官能基之單體共聚合而成之聚烯烴，則可為無規共聚 物、嵌段共聚物、接枝共聚物中之任一者。又，作為聚烯烴，可列舉：以聚乙烯、聚丙烯、聚丁烯為主成分之聚合物或乙烯/丙烯共聚物、乙烯/丁烯共聚物、乙烯/己烯共聚物等共聚物等。 Regarding the polymer blend of the core portion in the present invention, since the compatibility between the polyester and the polyolefin is insufficient, if it is obtained by melt-mixing by a usual method, the polyolefin is dispersed into the polyester. Poor properties, resulting in deterioration of spinnability or a decrease in the physical properties of the fibers obtained. Therefore, in the present invention, it is necessary to add a compatibilizing agent to the above polymer blend. The compatibilizer in the present invention is a compound which acts on the polymer interface to stabilize both forms when two or more kinds of polymers are mixed. In the present invention, by adding a compatibilizing agent, the dispersion of the polyolefin in the polyester is stabilized and the spinnability is improved. Thereby, the polyolefin can be stably and highly dispersed in the polyester. In the case of the polymer blend of the polyester and the polyolefin in the present invention, as the compatibilizing agent to be used, a modified polyolefin may be mentioned. The modified polyolefin has a polyolefin having a functional group such as a carboxylic acid, a carboxylic acid metal base, a carboxylate group, acetic anhydride or an epoxy group in the molecule. As long as it is a polyolefin obtained by copolymerizing a monomer having such functional groups, it may be a random copolymerization. Any of a substance, a block copolymer, and a graft copolymer. Further, examples of the polyolefin include a polymer containing polyethylene, polypropylene, and polybutene as a main component, a copolymer such as an ethylene/propylene copolymer, an ethylene/butene copolymer, and an ethylene/hexene copolymer.
作為可用於本發明之相容劑之具體例，可列舉：乙烯/丙烯酸共聚物、乙烯/甲基丙烯酸共聚物、乙烯/丙烯酸乙酯共聚物、乙烯/乙酸乙烯酯共聚物、乙烯/甲基丙烯酸環氧丙酯共聚物、乙烯/乙酸乙烯酯/甲基丙烯酸環氧丙酯共聚物、馬來酸酐接枝聚乙烯、丙烯酸接枝聚乙烯、馬來酸酐接枝乙烯/丙烯共聚物、乙烯/丙烯-甲基丙烯酸接枝環氧丙酯共聚物、馬來酸酐接枝乙烯/丙烯/1,4-己二烯共聚物及丙烯酸接枝乙烯/乙酸乙烯酯共聚物等，該等相容劑可單獨使用，又亦可併用兩種以上。 Specific examples of the compatibilizing agent usable in the present invention include ethylene/acrylic acid copolymer, ethylene/methacrylic acid copolymer, ethylene/ethyl acrylate copolymer, ethylene/vinyl acetate copolymer, and ethylene/methyl group. Glycidyl acrylate copolymer, ethylene/vinyl acetate/glycidyl methacrylate copolymer, maleic anhydride grafted polyethylene, acrylic grafted polyethylene, maleic anhydride grafted ethylene/propylene copolymer, ethylene /propylene-methacrylic acid grafted glycidyl ester copolymer, maleic anhydride grafted ethylene/propylene/1,4-hexadiene copolymer and acrylic grafted ethylene/vinyl acetate copolymer, etc., such compatibility The agents may be used singly or in combination of two or more.
作為上述相容劑之添加量，相對於聚合物摻合物整體，較佳為0.1~30質量%(添加)，更佳為0.3~20質量%。若相容劑未達0.1質量%，則難以改善聚酯與聚烯烴之相容性，另一方面，若超過30質量%，則其本身成為阻礙物而產生紡絲性之變差或纖維物性之降低，故而欠佳。 The amount of the compatibilizing agent added is preferably 0.1 to 30% by mass (addition), more preferably 0.3 to 20% by mass based on the total of the polymer blend. When the amount of the compatibilizing agent is less than 0.1% by mass, it is difficult to improve the compatibility between the polyester and the polyolefin. On the other hand, if it exceeds 30% by mass, the spinning property itself becomes a hindrance and the spinning property is deteriorated or the fiber property is deteriorated. The decrease is not good.
作為本發明中之聚合物摻合物之製作方法，並無特別限制，例如可列舉：(1)將聚酯與聚烯烴及相容劑乾摻後，直接投入紡絲機，於紡絲機流路內進行混合之方法；(2)將聚酯與聚烯烴及相容劑乾摻後，使用各種通常之混練機進行熔融混練之方法；(3)將聚酯與聚烯烴及相容劑分別投入至擠出機之方法等。 The method for producing the polymer blend in the present invention is not particularly limited, and examples thereof include (1) dry blending a polyester with a polyolefin and a compatibilizing agent, and directly feeding the spinning machine to a spinning machine. a method of mixing in a flow path; (2) a method of dry-mixing a polyester with a polyolefin and a compatibilizing agent, and performing a melt-kneading method using various conventional kneading machines; (3) a polyester and a polyolefin and a compatibilizing agent; A method of separately inputting to an extruder.
作為上述混練機之例，可列舉：單軸擠出機、雙軸混練擠出機、輥混合機、班布里混合機等。其中，就作業性、混練性之方面而言，較佳為雙軸混練擠出機。 Examples of the kneading machine include a single-screw extruder, a biaxial kneading extruder, a roll mixer, and a Banbury mixer. Among them, in terms of workability and kneadability, a biaxial kneading extruder is preferred.
繼而，對本發明之複合纖維進行說明。 Next, the conjugate fiber of the present invention will be described.
本發明之複合纖維可藉由如下方式獲得：準備由上述聚酯與聚烯烴及相容劑所構成之聚合物摻合物作為芯部之聚合物，準備聚酯作為鞘部之聚 合物，利用通常之方法進行乾燥後，使用複合紡絲裝置進行通常之熔融紡絲。此處所謂複合纖維，係表示將聚合物摻合物與聚酯分別熔融，於紡絲時以各種形狀結合而成之複合(conjugate)纖維。 The conjugate fiber of the present invention can be obtained by preparing a polymer blend composed of the above polyester and a polyolefin and a compatibilizing agent as a polymer of a core, and preparing a polyester as a sheath. The compound is dried by a usual method, and then subjected to usual melt spinning using a composite spinning apparatus. Here, the conjugate fiber is a conjugate fiber in which a polymer blend and a polyester are separately melted and combined in various shapes at the time of spinning.
紡絲方法並無特別限定，例如可列舉：以低速捲取未延伸線後，利用延撚步驟進行延伸之所謂常規方法(CONVE法)；直接紡絲延伸法(SPIN-DRAW法)；以高速進行捲取而獲得部分未延伸線之POY法(Partially Oriented Yarnmethod，部分延伸法)。再者，就省力化及可廉價生產之方面而言，較佳為採用直接紡絲延伸法、POY法。 The spinning method is not particularly limited, and examples thereof include a so-called conventional method (CONVE method) in which a stretched step is taken at a low speed, and a direct spinning extension method (SPIN-DRAW method); The POY method (Partially Oriented Yarnmethod) is obtained by taking up the coil to obtain a partially unstretched line. Further, in terms of labor saving and inexpensive production, it is preferred to use a direct spinning extension method or a POY method.
本發明之複合纖維係形成於芯部配置有聚合物摻合物成分、於完全覆蓋芯部之鞘部配置有聚酯成分之纖維橫截面形狀。所謂完全覆蓋芯部，意指芯部於纖維表面未露出。於聚合物摻合物成分於表面露出之情形時，一部分作為島相之聚烯烴露出，因此產生紡絲性之變差。因此，藉由採用以聚酯成分完全覆蓋聚合物摻合物成分之形狀，可無於該等缺陷之情況下製作聚酯複合纖維。 The composite fiber of the present invention is formed by a fiber cross-sectional shape in which a polymer blend component is disposed in a core portion and a polyester component is disposed in a sheath portion that completely covers the core portion. By completely covering the core, it is meant that the core is not exposed on the surface of the fiber. When the polymer blend component is exposed on the surface, a part of the polyolefin as an island phase is exposed, so that spinnability is deteriorated. Therefore, by using a shape in which the polyester blend component completely covers the polymer blend component, the polyester composite fiber can be produced without such defects.
關於本發明之複合纖維之纖維橫截面形狀，只要為如上述般於芯部配置有聚合物摻合物成分，於完全覆蓋芯部之鞘部配置有聚酯成分之纖維斷面形狀，則無特別限定，例如可列舉：如圖1(A)之單芯之芯鞘型、如圖1(B)之多芯之芯鞘型等。 The cross-sectional shape of the fiber of the conjugate fiber of the present invention is such that the polymer blend component is disposed in the core as described above, and the fiber cross-sectional shape of the polyester component is disposed in the sheath portion completely covering the core portion. Particularly, for example, a single-core core-sheath type as shown in Fig. 1(A) and a multi-core core-sheath type as shown in Fig. 1(B) can be cited.
作為芯部及鞘部之比例，就耐摩擦熔融性之方面而言，芯部與鞘部之體積比率(芯部：鞘部)較佳為95：5~20：80，更佳為80：20~30：70之範圍。於芯部小於20體積%之情形時，鞘部之聚酯變厚而變得難以獲得耐摩擦熔融性，故而欠佳。又，於鞘部小於5體積%之情形時，纖維強度降低，故而欠佳。 The ratio of the core portion to the sheath portion (core portion: sheath portion) is preferably 95:5 to 20:80, more preferably 80: as the ratio of the core portion to the sheath portion. The range of 20~30:70. When the core is less than 20% by volume, the polyester of the sheath becomes thick and it becomes difficult to obtain friction-resistant meltability, which is not preferable. Further, when the sheath portion is less than 5% by volume, the fiber strength is lowered, which is not preferable.
關於以上述方式獲得之複合纖維，若考慮於需要耐摩擦熔融性之製品等中使用之情形，則其纖度/長絲數較佳為22~267dtex/12~ 72f，更佳為50~168dtex/12~48f。 When the conjugate fiber obtained in the above manner is used in consideration of a product requiring frictional melt resistance, the number of fineness/filament is preferably 22 to 267 dtex/12. 72f, more preferably 50~168dtex/12~48f.
又，關於本發明之複合纖維，若考慮可實際用作製品之力學特性，則其強度較佳為3.0cN/dtex以上。更佳為3.5cN/dtex以上。又，其伸長率較佳為20%以上，更佳為25%以上，進而較佳為30%以上。 Further, the conjugate fiber of the present invention preferably has a strength of 3.0 cN/dtex or more in consideration of mechanical properties which can be practically used as a product. More preferably, it is 3.5 cN/dtex or more. Further, the elongation is preferably 20% or more, more preferably 25% or more, still more preferably 30% or more.
本發明之假撚加工線可對上述複合纖維進行假撚加工而獲得。 The false twist processing line of the present invention can be obtained by subjecting the above composite fiber to false twist processing.
假撚加工方法可為針方式、摩擦方式中之任一種，但較佳為生產效率良好之摩擦方式。 The false twist processing method may be any one of a needle method and a friction method, but is preferably a friction method with good production efficiency.
本發明中，於假撚加工時，作為加熱器溫度，較佳為設為180~220℃，作為撚數，較佳為設為2000~4000T/m之範圍。 In the present invention, the temperature of the heater is preferably 180 to 220 ° C at the time of the false twist processing, and is preferably in the range of 2000 to 4000 T/m as the number of turns.
以下，對假撚加工之較佳之製造方法之例進行詳細地說明。 Hereinafter, an example of a preferred manufacturing method of false twist processing will be described in detail.
例如，於以針方式對延伸線進行假撚加工之情形時，紗線速度較佳為50~200m/min，撚數較佳為2000~4000T/m，加熱器之溫度較佳為180~220℃之範圍。 For example, when the extension line is subjected to false twist processing by a needle, the yarn speed is preferably 50 to 200 m/min, the number of turns is preferably 2000 to 4000 T/m, and the temperature of the heater is preferably 180 to 220. The range of °C.
又，於以摩擦方式對POY線進行假撚加工之情形時，紗線速度較佳為700~900m/min，撚數較佳為2000~4000T/m，延伸倍率較佳為1.5~2倍，加熱器之溫度較佳為180~220℃之範圍。 Further, when the POY line is subjected to false twist processing by friction, the yarn speed is preferably 700 to 900 m/min, the number of turns is preferably 2,000 to 4,000 T/m, and the stretching ratio is preferably 1.5 to 2 times. The temperature of the heater is preferably in the range of 180 to 220 °C.
又，為了使蓬鬆性及伸縮恢復率變良好，較佳為雙加熱器類型者。 Further, in order to improve the bulkiness and the stretch recovery rate, a double heater type is preferred.
再者，本發明之複合纖維可於通常之聚酯單線所使用之較佳之加熱器溫度(例如180~220℃)下進行加工，因此容易獲得蓬鬆性良好者，且操作性亦優異。於加熱器溫度過低之情形時，未充分賦予捲縮，又，反之於加熱器溫度過高之情形時，有導致長絲間之融合而容易產生未解撚點(收縮、未解撚)之傾向。 Further, the conjugate fiber of the present invention can be processed at a preferred heater temperature (for example, 180 to 220 ° C) which is usually used for a single polyester thread, so that it is easy to obtain a good bulkiness and excellent workability. When the temperature of the heater is too low, the crimping is not sufficiently provided, and conversely, when the temperature of the heater is too high, the fusion between the filaments may occur, and the untwisted point (contraction, untwisting) is likely to occur. The tendency.
又，下述所示之撚係數較佳為26500~34900。 Further, the enthalpy coefficient shown below is preferably 26,500 to 34,900.
參照上述式，關於撚數之較佳範圍，若纖度為84dtex左右，則撚數之較佳範圍為3000~4000T/m，若纖度為167dtex左右，則撚數之較佳範圍為2000~3000T/m之範圍。於通常之情形時，撚數較佳為2000~4000T/m左右者。 Referring to the above formula, regarding the preferred range of the number of turns, if the fineness is about 84 dtex, the preferred range of the number of turns is 3000 to 4000 T/m, and if the fineness is about 167 dtex, the preferred range of the number of turns is 2000 to 3000 T/ The range of m. In the usual case, the number of turns is preferably about 2,000 to 4,000 T/m.
再者，於撚數過少之情形時，捲縮容易變得不良，於過多之情形時，亦容易產生雙重撚等，因此撚數較佳為成為根據纖度而自上述撚係數算出之撚數之範圍。 Further, when the number of turns is too small, the curling tends to be poor, and in the case of too many cases, double defects or the like are likely to occur. Therefore, the number of turns is preferably the number of turns calculated from the above-mentioned twist coefficient according to the fineness. range.
以上述方式獲得之本發明之假撚加工線成為伸縮性良好且蓬鬆性亦優異者。 The false twist processing line of the present invention obtained in the above manner is excellent in stretchability and excellent in bulkiness.
關於本發明之假撚加工線，若考慮於需要耐摩擦熔融性之製品等中使用之情形，則纖度/長絲數較佳為22~267dtex/12~72f，更佳為50~168dtex/12~48f。 When the false twist processing line of the present invention is used in a product requiring frictional melt resistance, the fineness/filament number is preferably 22 to 267 dtex/12 to 72 f, more preferably 50 to 168 dtex/12. ~48f.
關於本發明之假撚加工線，就良好地保持紡織步驟、染色步驟之步驟通過性及耐摩熔融性之方面而言，其伸縮恢復率較佳為20%以上，更佳為25%以上。 In the false twisting line of the present invention, the stretch recovery ratio is preferably 20% or more, and more preferably 25% or more in terms of maintaining the step of the weaving step and the step of dyeing and the resistance to abrasion.
關於本發明之假撚加工線，就良好地保持紡織步驟、染色步驟之步驟通過性及耐摩熔融性之方面而言，其殘餘扭矩較佳為30T/m以上，更佳為50T/m以上。 With respect to the false twist processing line of the present invention, the residual torque is preferably 30 T/m or more, and more preferably 50 T/m or more in terms of maintaining the step of the weaving step, the step of dyeing step, and the resistance to abrasion.
關於本發明之假撚加工線，就良好地保持紡織步驟、染色步驟之步驟通過性、可實際用作製品之力學特性及耐摩熔融性之方面而言，其強度較佳為3.0cN/dtex以上，伸長率較佳為20%以上，更佳為25%以上，進而較佳為30%以上。 With respect to the false twist processing line of the present invention, the strength is preferably 3.0 cN/dtex or more in terms of maintaining the step of the weaving step, the step of dyeing step, the mechanical properties of the product, and the resistance to abrasion and melting. The elongation is preferably 20% or more, more preferably 25% or more, and still more preferably 30% or more.
上述本發明之假撚加工線係伸縮性良好且蓬鬆性亦優異者。 The false twist processing line of the present invention is excellent in stretchability and excellent in bulkiness.
本發明之複合纖維及假撚加工線可較佳地用於耐摩擦熔融 性布帛。於使用本發明之複合纖維或假撚加工線製作耐摩擦熔融性布帛之情形時，作為布帛之種類，並無特別限制，可為織物、編物、不織布等中之任一種。 The composite fiber and false twist processing line of the present invention can be preferably used for friction-resistant melting Sexual cloth. In the case where the friction-resistant melt fabric is produced by using the conjugate fiber or the false twist processing line of the present invention, the type of the fabric is not particularly limited, and may be any of a woven fabric, a knitted fabric, a non-woven fabric, and the like.
本發明之耐摩擦熔融性布帛係於至少一部分含有本發明之複合纖維或假撚加工線。 The friction-resistant melt fabric of the present invention is at least partially contained in the composite fiber or false twist processing line of the present invention.
本發明之耐摩擦熔融性布帛較佳為將上述複合纖維或上述假撚加工線用於摩擦對象面，可僅用於摩擦對象面，亦可用於布帛整體。 In the friction-resistant melt fabric of the present invention, it is preferable that the conjugate fiber or the false twist processing line is used for the rubbing target surface, and it can be used only for the rubbing target surface, and can also be used for the entire fabric.
本發明之耐摩擦熔融性布帛用複合纖維較佳為用於如下耐摩擦熔融布帛，該布帛係於依據JIS L1056(B法)之旋轉式摩擦熔融試驗中，藉由2kg之負載而進行10秒鐘壓接摩擦時未發現熔融痕跡者，更佳為用於進行13秒鐘壓接摩擦時未發現熔融痕跡之耐摩擦熔融布帛，進而較佳為用於進行15秒鐘壓接摩擦時未發現熔融痕跡之耐摩擦熔融布帛。 The conjugate fiber for friction-resistant melt fabric of the present invention is preferably used for a friction-resistant molten fabric which is subjected to a rotary friction melting test in accordance with JIS L1056 (method B) and is carried out for 10 seconds by a load of 2 kg. When no friction trace is observed when the bell is bonded to the friction, it is more preferably a friction-resistant molten fabric for which no melt trace is found when the pressure is rubbed for 13 seconds, and it is preferably not found for 15 seconds of crimping friction. The friction-resistant molten cloth of the melt marks.
本發明之複合纖維、假撚加工線及布帛例如可較佳地用作學校體育衣料等或排球、籃球，手球等之運動衣料等材料。 The composite fiber, the false twist processing line, and the fabric of the present invention can be preferably used, for example, as a sports material for a school or a sportswear such as a volleyball, a basketball, or a handball.
[實施例] [Examples]
於以下列舉實施例對本發明具體地進行說明。再者，本發明並不限定於以下所述之實施例。再者，實施例及比較例中之各評價項目係利用下述方法進行測定。 The invention will be specifically described below by way of examples. Furthermore, the invention is not limited to the embodiments described below. Further, each of the evaluation items in the examples and the comparative examples was measured by the following method.
(1)極限黏度[η] (1) Ultimate viscosity [η]
於苯酚/四氯乙烷=6/4(重量比)之混合溶劑中，以20℃藉由常規方法而求出。 It was determined by a usual method at 20 ° C in a mixed solvent of phenol / tetrachloroethane = 6 / 4 (weight ratio).
(2)MFR(Meltflow Rate，熔體流動速率)(g/10min) (2) MFR (Meltflow Rate) (g/10min)
測定法係依據JIS K 6922-2。 The assay is based on JIS K 6922-2.
(3)紡絲操作性 (3) Spinning operability
進行24小時紡絲時，將無一次斷頭者設為○，將產生斷頭者設為×。 When the spinning was performed for 24 hours, the one without the broken head was set to ○, and the one with the broken head was set to ×.
(4)纖維之力學物性(強度及伸長率) (4) Mechanical properties of fibers (strength and elongation)
使用島津製作所製造之Autograph AGS進行拉伸試驗，於測定長度：200mm、拉伸速度：200mm/min之條件下分別對纖維斷裂時之斷裂強度與伸長率測定5次，求出其平均值而設為強度、伸長率。 The tensile test was carried out using Autograph AGS manufactured by Shimadzu Corporation, and the breaking strength and elongation at the time of fiber breakage were measured five times under the conditions of measurement length: 200 mm and tensile speed: 200 mm/min, and the average value was determined. For strength and elongation.
(5)假撚操作性 (5) false operability
依據下述基準對實施假撚加工時之操作性進行評價。 The operability at the time of performing the false twist processing was evaluated according to the following criteria.
○：無斷頭且無顫動 ○: no break and no vibration
×：產生斷頭或產生其他異常 ×: breaks or other abnormalities
(6)伸縮恢復率 (6) scalability recovery rate
依據JIS L1013 8.12而進行測定。 The measurement was carried out in accordance with JIS L1013 8.12.
(7)殘餘扭矩 (7) Residual torque
於0.2g/dex之負載下利用檢撚器對25cm長之撚數進行測定，使獲得之撚數(T/25cm)乘以4而算出殘餘扭矩(T/m)。 The number of turns of 25 cm length was measured by a detector under a load of 0.2 g/dex, and the obtained number of turns (T/25 cm) was multiplied by 4 to calculate the residual torque (T/m).
(8)染色性 (8) Dyeing
使用獲得之線製成圓型編織物，精練後於染料D/N BLUEACE 1.0%owf、乙酸0.2ml/L、Ionet RP1.0g/L之染浴中，以浴比1：20於130℃進行60分鐘染色，根據利用目視之觀察並按照○(染色性良好)、×(染色性不良)進行評價。 The obtained braided wire was made into a circular braid, and scoured in a dye bath of D/N BLUEACE 1.0% owf, acetic acid 0.2 ml/L, and Ionet RP 1.0 g/L at a bath ratio of 1:20 at 130 ° C. The dyeing was carried out for 60 minutes, and it was evaluated according to visual observation and according to ○ (good dyeability) and × (poor dyeability).
(9)耐摩擦熔融性 (9) Friction resistance
使用獲得之線製成圓型編織物，依據JIS L1056(B法)並利用使用旋轉式摩擦熔融試驗之方法而實施耐摩擦熔融試驗。按照下述三個等級即○(無熔融痕跡，僅有摩擦痕跡)、△(有一部分熔融痕跡)、×(試樣破損，有洞)對以2kg負載抵壓10秒鐘後之布帛表面之狀況進行評價。 A circular braid was produced using the obtained wire, and a friction-resistant melting test was carried out in accordance with JIS L1056 (method B) using a method using a rotary friction melting test. According to the following three levels, ○ (no melting marks, only friction marks), △ (some melting marks), × (sample breakage, holes), the surface of the fabric after being pressed for 10 seconds with a load of 2 kg The situation is evaluated.
[實施例1] [Example 1]
使用極限黏度為0.64之聚對苯二甲酸乙二酯樹脂與MFR為7.0且密度 為0.964之高密度聚乙烯(Japan polyethylene公司製造)，且使用乙烯-甲基丙烯酸環氧丙酯共聚物(住友化學公司製造之Bondfast，等級：2C)作為相容劑，分別調配成表1所示之特定量並進行乾摻後，供給於雙軸混練擠出機，於混練溫度270℃、螺桿轉速250rpm之條件下進行熔融混練，進行冷卻顆粒化而獲得用於芯部之聚合物摻合物。另一方面，使用極限黏度[η]為0.64之聚對苯二甲酸乙二酯作為鞘部。將各聚合物乾燥後導入至複合紡絲機中，將聚合物摻合物與聚對苯二甲酸乙二酯之體積比率設為2：1而進行熔融，以圖1(A)之於芯部成為聚合物摻合物、於鞘部成為聚對苯二甲酸乙二酯之方式自紡絲頭擠出，利用通常之方法賦予油劑後利用通常之直接紡絲延伸法而獲得167dtex/48f之芯鞘型複合纖維，該通常之直接紡絲延伸法係利用周速1400m/min(溫度：80℃)之第一導引輥(GR1)進行拉引，繼而引導至周速4300m/min(溫度：130℃)之第二導引輥(GR2)，於GR1與GR2之間進行延伸。使用所獲得之複合纖維，於加熱器溫度200℃、紗線速度100m/min、撚數2800T/m之條件下進行假撚加工，結果獲得無缺陷，顯現優異之假撚加工通過性，蓬鬆性良好之假撚加工線。再者，獲得之假撚加工線之強度為3.14cN/dtex，伸長率為20.5%，伸縮恢復率為31%，殘餘扭矩為106T/m。使用獲得之假撚加工線製作圓型編織物，進行耐摩擦熔融性評價及染色性評價。將結果示於表1。 Polyethylene terephthalate resin with an ultimate viscosity of 0.64 and MFR of 7.0 and density It is a high-density polyethylene of 0.964 (manufactured by Japan Polyethylene Co., Ltd.), and an ethylene-glycidyl methacrylate copolymer (Bondfast, grade: 2C manufactured by Sumitomo Chemical Co., Ltd.) is used as a compatibilizer, and is separately formulated into Table 1. After the specific amount is shown and dry-mixed, it is supplied to a biaxial kneading extruder, and melt-kneaded at a kneading temperature of 270 ° C and a screw rotation speed of 250 rpm to perform cooling granulation to obtain a polymer blend for the core. Things. On the other hand, polyethylene terephthalate having an ultimate viscosity [η] of 0.64 was used as the sheath portion. After drying each polymer, it is introduced into a composite spinning machine, and the volume ratio of the polymer blend to polyethylene terephthalate is set to 2:1 to be melted, and the core of FIG. 1(A) is used. The part is a polymer blend, and is extruded from a spinneret in such a manner that the sheath portion is polyethylene terephthalate. After the oil is applied by a usual method, a normal direct spinning method is used to obtain 167 dtex/48f. The core-sheath type composite fiber, the normal direct spinning extension method is drawn by a first guide roll (GR1) having a peripheral speed of 1400 m/min (temperature: 80 ° C), and then guided to a peripheral speed of 4300 m/min ( Temperature: 130 ° C) The second guide roll (GR2) extends between GR1 and GR2. Using the obtained composite fiber, the false twist processing was carried out under the conditions of a heater temperature of 200 ° C, a yarn speed of 100 m / min, and a number of turns of 2800 T / m, and as a result, no defect was obtained, and excellent false twist processing passability and bulkiness were obtained. Good fake 捻 processing line. Further, the obtained false twist processing line had a strength of 3.14 cN/dtex, an elongation of 20.5%, a stretch recovery ratio of 31%, and a residual torque of 106 T/m. A circular braid was produced using the obtained false twist processing line, and the frictional melt resistance evaluation and the dyeability evaluation were performed. The results are shown in Table 1.
[實施例2] [Embodiment 2]
如表1所示般，將聚合物摻合物之聚對苯二甲酸乙二酯與高密度聚乙烯之比率變更為65：35質量%，將相容劑之添加量自0.3質量%變更為0.5質量%，且變更長絲數，除此以外，利用與實施例1相同之方法獲得167dtex/72f之芯鞘型複合纖維。又，於與實施例1相同之條件下進行假撚加工，結果獲得無缺陷，蓬鬆性良好之假撚加工線。使用獲得之假撚加工線進行耐摩擦熔融性評價及染色性評價。將結果示於表1。 As shown in Table 1, the ratio of the polyethylene terephthalate of the polymer blend to the high density polyethylene was changed to 65:35 mass%, and the amount of the compatibilizer added was changed from 0.3 mass% to 0.3 mass%. A 167 dtex/72f core-sheath type composite fiber was obtained by the same method as in Example 1 except that the number of filaments was changed by 0.5% by mass. Further, the false twist processing was carried out under the same conditions as in Example 1, and as a result, a false twist processing line having no defects and good bulkiness was obtained. The friction-resistant meltability evaluation and the dyeability evaluation were performed using the obtained false twist processing line. The results are shown in Table 1.
[實施例3] [Example 3]
將聚合物摻合物之聚烯烴變更為MFR為5.0且密度為0.935之直鏈狀低密度聚乙烯，且變更長絲數，除此以外，利用與實施例1相同之方法獲得167dtex/72f之芯鞘型複合纖維。又，於與實施例1相同之條件下進行假撚加工，結果獲得無缺陷，蓬鬆性良好之假撚加工線。使用獲得之假撚加工線進行耐摩擦熔融性評價及染色性評價。將結果示於表1。 The 167 dtex/72f was obtained in the same manner as in Example 1 except that the polyolefin of the polymer blend was changed to a linear low-density polyethylene having an MFR of 5.0 and a density of 0.935, and the number of filaments was changed. Core-sheath type composite fiber. Further, the false twist processing was carried out under the same conditions as in Example 1, and as a result, a false twist processing line having no defects and good bulkiness was obtained. The friction-resistant meltability evaluation and the dyeability evaluation were performed using the obtained false twist processing line. The results are shown in Table 1.
[比較例1] [Comparative Example 1]
使用極限黏度[η]為0.64之聚對苯二甲酸乙二酯獲得167dtex/72f之聚對苯二甲酸乙二酯纖維。又，於與實施例1相同之條件下進行假撚加工，結果獲得無缺陷，蓬鬆性良好之假撚加工線。再者，獲得之假撚加工線之強度為4.01cN/dtex，伸長率為24.5%，伸縮恢復率為37.2%，殘餘扭矩為138T/m。使用獲得之假撚加工線進行耐摩擦熔融性評價及染色性評價。將結果示於表1。 A polyethylene terephthalate fiber of 167 dtex/72 f was obtained using polyethylene terephthalate having an ultimate viscosity [η] of 0.64. Further, the false twist processing was carried out under the same conditions as in Example 1, and as a result, a false twist processing line having no defects and good bulkiness was obtained. Further, the obtained false twist processing line had a strength of 4.01 cN/dtex, an elongation of 24.5%, a stretch recovery ratio of 37.2%, and a residual torque of 138 T/m. The friction-resistant meltability evaluation and the dyeability evaluation were performed using the obtained false twist processing line. The results are shown in Table 1.
[比較例2] [Comparative Example 2]
使用MFR為2.3之高密度聚乙烯作為芯部之聚合物，使用極限黏度[η]為0.64之聚對苯二甲酸乙二酯作為鞘部之聚合物，將體積比率設為1：3，利用與實施例1相同之方法獲得167dtex/72f之芯鞘型複合纖維。於與實施例1相同之條件下進行假撚加工，結果確認於鞘部產生龜裂，芯部之高密度聚乙烯露出，產生大量白粉，且斷頭時常發生。因假撚加工性較差而僅獲得少量假撚加工線，使用其進行耐摩擦熔融性評價及染色性評價。將結果示於表1。再者，獲得之假撚加工線之強度為2.60cN/dtex，伸長率為20.4%，伸縮恢復率為32.6%，殘餘扭矩為130T/m。 A polymer having a MFR of 2.3 as a core was used, and a polyethylene terephthalate having an ultimate viscosity [η] of 0.64 was used as a sheath polymer, and the volume ratio was set to 1:3. A 167 dtex/72f core-sheath type composite fiber was obtained in the same manner as in Example 1. When false twisting was performed under the same conditions as in Example 1, it was confirmed that cracks occurred in the sheath portion, and the high-density polyethylene of the core was exposed, and a large amount of white powder was generated, and breakage often occurred. Due to the poor workability of the false twist, only a small amount of false twist processing lines were obtained, and the frictional resistance evaluation and the dyeability evaluation were performed. The results are shown in Table 1. Further, the obtained false twist processing line had a strength of 2.60 cN/dtex, an elongation of 20.4%, a stretch recovery ratio of 32.6%, and a residual torque of 130 T/m.
[比較例3] [Comparative Example 3]
僅使用於實施例1中所用之芯部之聚合物摻合物實施167dtex/72f之單獨紡絲。然而，由於一部分於表面露出之高密度聚乙烯而產生白粉，且斷 頭時常發生。又，即便進行假撚加工，亦產生白粉，且斷頭時常發生。 Separate spinning of 167 dtex/72f was carried out using only the polymer blend of the core used in Example 1. However, due to a part of the high-density polyethylene exposed on the surface, white powder is produced and broken. The head often happens. Moreover, even if false twisting is performed, white powder is generated, and breakage often occurs.
自實施例1~3獲得之複合纖維均為紡絲性及假撚加工性良好且耐摩擦熔融性及染色性優異者。另一方面，比較例1之聚對苯二甲酸乙二酯單獨纖維之耐摩擦熔融性較差，自芯部為聚乙烯且鞘部為聚對苯二甲酸乙二酯之比較例2獲得之芯鞘型複合纖維係假撚加工性及染色性較差者。又，自比較例3獲得之僅聚合物摻合物之單獨纖維係紡絲性及假撚加工性較差者。 The conjugate fibers obtained in Examples 1 to 3 were excellent in spinnability and false twist processability, and were excellent in frictional melt resistance and dyeability. On the other hand, the polyethylene terephthalate alone fiber of Comparative Example 1 was inferior in frictional melting resistance, and the core obtained in Comparative Example 2 in which the core portion was polyethylene and the sheath portion was polyethylene terephthalate was obtained. The sheath-type composite fiber has a poor workability and dyeability. Further, the fiber-only spinning property and the false twist processability of the polymer blend obtained only in Comparative Example 3 were inferior.
[實施例4] [Example 4]
使用極限黏度[η]為0.64之聚對苯二甲酸乙二酯與MFR為7.0且密度為0.964之高密度聚乙烯(Japan polyethylene公司製造)並使用乙烯-甲基丙烯酸環氧丙酯共聚物(住友化學公司製造之Bondfast，等級：2C)作為相容劑，分別調配成表2所示之特定量並進行乾摻後，供給於雙軸混練擠出機，於混練溫度270℃、螺桿轉數250rpm之條件下進行熔融混練，進行冷卻顆粒化而獲得用於芯部之聚合物摻合物。另一方面，使用極限黏度[η]為0.64之聚對苯二甲酸乙二酯作為鞘部。將各聚合物乾燥後導入至複合紡絲機中，將聚合物摻合物與聚對苯二甲酸乙二酯之體積比率設為2：1而進行熔融，以圖1(A)之於芯部成為聚合物摻合物且於鞘部成為聚對苯二甲酸乙 二酯之方式自紡絲頭擠出，利用通常之方法賦予油劑後，利用紡速4300m/min之POY法獲得150dtex/24f之芯鞘型複合纖維(POY線)。使用獲得之芯鞘型複合纖維，於加熱器溫度200℃、紗線速度760m/min、撚數3100T/m之條件下，以摩擦方式延伸至1.785倍，並且以紗線速度760m/min進行假撚加工，結果獲得伸縮性及蓬鬆性良好之假撚加工線。獲得之假撚加工線之纖度為84dtex/24f，伸縮恢復率為26%，殘餘扭矩為Z方向51T/m，強度為3.3cN/dtex，伸長率為31%。進而，使用該假撚加工線對耐摩擦熔融性及染色性進行評價。將其結果示於表2。 A polyethylene terephthalate having an ultimate viscosity [η] of 0.64 and a high-density polyethylene having a MFR of 7.0 and a density of 0.964 (manufactured by Japan Polyethylene Co., Ltd.) and an ethylene-glycidyl methacrylate copolymer ( Bondfast manufactured by Sumitomo Chemical Co., Ltd., grade: 2C) as a compatibilizer, formulated into a specific amount shown in Table 2 and dry blended, and then supplied to a twin-shaft kneading extruder at a mixing temperature of 270 ° C and a number of screw revolutions. Melt kneading was carried out at 250 rpm, and cooling granulation was carried out to obtain a polymer blend for the core. On the other hand, polyethylene terephthalate having an ultimate viscosity [η] of 0.64 was used as the sheath portion. After drying each polymer, it is introduced into a composite spinning machine, and the volume ratio of the polymer blend to polyethylene terephthalate is set to 2:1 to be melted, and the core of FIG. 1(A) is used. Part becomes a polymer blend and becomes polyethylene terephthalate in the sheath The diester method was extruded from a spinning head, and after applying an oil agent by a usual method, a 150 dtex/24f core-sheath type composite fiber (POY line) was obtained by a POY method of a spinning speed of 4,300 m/min. Using the obtained core-sheath type composite fiber, it was frictionally extended to 1.785 times and at a yarn speed of 760 m/min under the conditions of a heater temperature of 200 ° C, a yarn speed of 760 m/min, and a number of turns of 3,100 T/m. After processing, the result is a false twist processing line with good flexibility and bulkiness. The obtained false twist processing line has a fineness of 84 dtex/24f, a shrinkage recovery ratio of 26%, a residual torque of 51 T/m in the Z direction, a strength of 3.3 cN/dtex, and an elongation of 31%. Further, the false twist processing line was used to evaluate the frictional melt resistance and the dyeability. The results are shown in Table 2.
[實施例5] [Example 5]
以與實施例4相同之方式自紡絲頭擠出，利用通常之方法賦予油劑，以紡速1600m/min捲取芯鞘型複合纖維之未延伸線。將獲得之未延伸線以3.120倍進行延伸而獲得84dtex/24f之芯鞘型複合纖維(延伸線)。將獲得之芯鞘型複合纖維以針方式於紗線速度120m/min、加熱器溫度200℃、撚數3100T/m下進行假撚加工。獲得之假撚加工線之伸縮性及蓬鬆性良好。又，該假撚加工線之纖度為84dtex/24f，伸縮恢復率為26%，殘餘扭矩為Z方向53T/m，強度為3.3cN/dtex，伸長率為32%。進而，使用該假撚加工線，對耐摩擦熔融性及染色性進行評價。將其結果示於表2。 The film was extruded from a spinning head in the same manner as in Example 4, and an oil agent was applied by a usual method, and the unstretched yarn of the core-sheath type composite fiber was taken up at a spinning speed of 1600 m/min. The obtained unstretched wire was extended by 3.120 times to obtain a core-sheath type composite fiber (extension line) of 84 dtex/24f. The core-sheath type composite fiber obtained was subjected to false twist processing in a needle manner at a yarn speed of 120 m/min, a heater temperature of 200 ° C, and a number of turns of 3,100 T/m. The obtained false twist processing line has good flexibility and bulkiness. Further, the false twist processing line has a fineness of 84 dtex/24f, a stretch recovery ratio of 26%, a residual torque of 53 T/m in the Z direction, a strength of 3.3 cN/dtex, and an elongation of 32%. Further, the false twist processing line was used to evaluate the frictional melt resistance and the dyeability. The results are shown in Table 2.
[比較例4] [Comparative Example 4]
使用極限黏度[η]為0.64之聚對苯二甲酸乙二酯獲得84dtex/24f之單獨纖維。以與實施例4相同之方式對獲得之纖維進行假撚加工。將獲得之假撚加工線之物性及評價示於表2。 A polyethylene fiber of 84 dtex/24f was obtained using polyethylene terephthalate having an ultimate viscosity [η] of 0.64. The obtained fiber was subjected to false twist processing in the same manner as in Example 4. The physical properties and evaluation of the false twist processing line obtained are shown in Table 2.
[比較例5] [Comparative Example 5]
使用MFR為2.3之高密度聚乙烯作為芯部之聚合物，使用極限黏度[η]為0.64之聚對苯二甲酸乙二酯作為鞘部之聚合物，將體積比率設為1：3，除此以外，以與實施例4相同之方式獲得84dtex/24f之芯鞘型複合纖維。 以與實施例4相同之方式對獲得之芯鞘型複合纖維進行假撚加工，結果確認於鞘部產生龜裂，作為芯成分之高密度聚乙烯露出，產生大量白粉，斷頭時常發生，但獲得少量之假撚加工線。將獲得之假撚加工線之物性及評價結果示於表2。 A polymer having a MFR of 2.3 as the core was used, and a polyethylene terephthalate having an ultimate viscosity [η] of 0.64 was used as a polymer of the sheath, and the volume ratio was set to 1:3. Otherwise, a core-sheath type composite fiber of 84 dtex/24f was obtained in the same manner as in Example 4. In the same manner as in Example 4, the obtained core-sheath type composite fiber was subjected to false twisting. As a result, it was confirmed that cracks were generated in the sheath portion, and high-density polyethylene as a core component was exposed, and a large amount of white powder was generated, which occurred frequently, but the breakage often occurred, but Get a small amount of false twist processing line. The physical properties and evaluation results of the false twist processing line obtained are shown in Table 2.
[比較例6] [Comparative Example 6]
以僅實施例4中獲得之芯部之聚合物摻合物之單獨成分進行紡絲而獲得84dtex/24f之纖維。紡絲時，一部分高密度聚乙烯於表面露出，產生白粉，斷頭亦時常發生。以與實施例4相同之方式對獲得之纖維進行假撚加工，結果產生白粉，斷頭亦時常發生，但可獲得極少量之假撚加工線。將獲得之假撚加工線之評價結果示於表2。 The fibers of 84 dtex/24f were obtained by spinning only the individual components of the polymer blend of the core obtained in Example 4. When spinning, a part of high-density polyethylene is exposed on the surface to produce white powder, and breakage often occurs. The obtained fiber was subjected to false twist processing in the same manner as in Example 4, and as a result, white powder was generated, and breakage occurred frequently, but a very small amount of false twist processing line was obtained. The evaluation results of the false twist processing line obtained are shown in Table 2.
自實施例4、5獲得之假撚加工線於紡絲步驟、假撚步驟、染色等後步驟中均未產生芯鞘剝離。又，該等假撚加工線之伸縮性及蓬鬆性優異，而且耐摩擦熔融性亦優異，又，即便於染色步驟中亦可無染色斑地染色，耐久性亦良好，伸縮性及蓬鬆性亦優異。 The false twist processing line obtained in Examples 4 and 5 did not produce core sheath peeling in the spinning step, the false twisting step, the dyeing, and the like. Moreover, these false twist processing lines are excellent in stretchability and bulkiness, and are excellent in frictional melt resistance, and can be dyed without dye spots even in the dyeing step, and have excellent durability, and stretchability and bulkiness. Excellent.
自比較例4獲得之使用聚對苯二甲酸乙二酯單獨纖維之假撚加工線係耐摩擦熔融性較差，又，關於自比較例5獲得之由將芯部設為聚乙烯、將鞘部設為聚對苯二甲酸乙二酯之芯鞘型複合纖維所構成之假撚加工線，係產生芯鞘剝離，染色性不良，且與實施例品相比耐摩擦熔融性較差。又，自比較例6獲得之僅由聚合物摻合物構成之纖維於紡絲步驟、假撚步驟中均產生白粉，且斷頭時常發生，於染色時產生染色斑，耐摩擦熔融性亦不良。 The false twist processing line of the polyethylene terephthalate alone fiber obtained from Comparative Example 4 was inferior in frictional melt resistance, and the core portion was made into polyethylene and the sheath portion was obtained from Comparative Example 5. The false twist processing line composed of the core-sheath type composite fiber of polyethylene terephthalate produced core sheath peeling and was inferior in dyeability, and was inferior in frictional melt resistance as compared with the example. Further, the fiber composed only of the polymer blend obtained in Comparative Example 6 produced white powder in the spinning step and the false twisting step, and often occurred during breakage, and dye spots were formed during dyeing, and the frictional melt resistance was also poor. .
[實施例6] [Embodiment 6]
使用極限黏度[η]為0.64之聚對苯二甲酸乙二酯與MFR為7.0且密度為0.964之高密度聚乙烯(Japan polyethylene公司製造)並使用乙烯-甲基丙烯酸環氧丙酯共聚物(住友化學公司製造之Bondfast，等級：2C)作為相容劑，分別以與實施例4相同之方式進行調配並乾摻後，供給於雙軸混練擠出機，於混練溫度270℃、螺桿轉速250rpm之條件下進行熔融混練，進行冷卻顆粒化而獲得用於芯部之聚合物摻合物。另一方面，使用極限黏度[η]為0.64之聚對苯二甲酸乙二酯作為鞘部。將各聚合物乾燥後導入至複合紡絲機中，將聚合物摻合物與聚對苯二甲酸乙二酯之體積比率設為2：1而進行熔融，以圖1(A)之於芯部成為聚合物摻合物、於鞘部成為聚對苯二甲酸乙二酯之方式自紡絲頭擠出，利用通常之方法賦予油劑後，以紡速1600m/min獲得未延伸線，將其於84℃下延伸至3.12倍而獲得84dtex/24f之芯鞘型複合纖維(常規方法)。使用獲得之芯鞘型複合纖維，於加熱器溫度200℃、紗線速度760m/min、撚數3100T/m之條件下以針方式進行假撚 加工，結果獲得伸縮性及蓬鬆性良好之假撚加工線。獲得之假撚加工線之纖度為84dtex/24f，伸縮恢復率為26%，殘餘扭矩為Z方向50T/m以上，強度為3.3cN/dtex，伸長率為30%。進而，使用該假撚加工線並利用22GAUGE圓編機，於表面配置所獲得之線、於中內面配置84dtex/72f之Y字截面普通聚酯線、於內面配置84dtex/36f之普通聚酯線，以雙面平滑編織進行編製，而獲得每單位面積之重量為250g/m2之織物。使用獲得之織物，利用依據JIS L1056(B法)並使用旋轉式摩擦熔融試驗之方法而實施耐摩擦熔融試驗。於以2kg負載抵壓10秒鐘後之布帛表面有摩擦痕跡，但無熔融痕跡。 A polyethylene terephthalate having an ultimate viscosity [η] of 0.64 and a high-density polyethylene having a MFR of 7.0 and a density of 0.964 (manufactured by Japan Polyethylene Co., Ltd.) and an ethylene-glycidyl methacrylate copolymer ( Bondfast manufactured by Sumitomo Chemical Co., Ltd., grade: 2C) was formulated as a compatibilizer in the same manner as in Example 4, and dry blended, and then supplied to a twin-shaft kneading extruder at a mixing temperature of 270 ° C and a screw speed of 250 rpm. Under the conditions of the melt kneading, cooling granulation was carried out to obtain a polymer blend for the core. On the other hand, polyethylene terephthalate having an ultimate viscosity [η] of 0.64 was used as the sheath portion. After drying each polymer, it is introduced into a composite spinning machine, and the volume ratio of the polymer blend to polyethylene terephthalate is set to 2:1 to be melted, and the core of FIG. 1(A) is used. The part is a polymer blend, and is extruded from a spinning head in a manner that the sheath portion is polyethylene terephthalate. After the oil agent is applied by a usual method, an unstretched line is obtained at a spinning speed of 1600 m/min. It was extended to 3.12 times at 84 ° C to obtain a core-sheath type composite fiber of 84 dtex / 24 f (conventional method). Using the obtained core-sheath type composite fiber, the false twisting process was performed by needle at a heater temperature of 200 ° C, a yarn speed of 760 m / min, and a number of turns of 3100 T / m, and as a result, a false twist with good stretchability and bulkiness was obtained. Processing line. The obtained false twist processing line has a fineness of 84 dtex/24f, a shrinkage recovery ratio of 26%, a residual torque of 50 T/m or more in the Z direction, a strength of 3.3 cN/dtex, and an elongation of 30%. Further, using the false twisting line, a 22 GAUGE circular knitting machine was used, and a line obtained by disposing the surface was placed on the inner surface of the Y-section ordinary polyester yarn of 84 dtex/72 f, and an ordinary polycrystalline wire of 84 dtex/36 f was disposed on the inner surface. The ester line was prepared by double-side smooth weaving to obtain a fabric having a weight per unit area of 250 g/m 2 . Using the obtained fabric, a friction-resistant melting test was carried out by a method in accordance with JIS L1056 (method B) using a rotary friction melting test. There was a rubbing mark on the surface of the fabric after being pressed for 10 seconds with a 2 kg load, but there was no trace of melting.
[實施例7] [Embodiment 7]
不對實施例6中獲得之84dtex/24f之芯鞘型複合纖維(延伸線)進行假撚加工，而利用上述方法製作每單位面積之重量為250g/m2之織物，以與實施例6相同之方式進行耐摩擦熔融試驗，結果於以2kg負載抵壓10秒鐘後之布帛表面存在摩擦痕跡，但沒有熔融痕跡。 The 84 dtex/24f core-sheath type composite fiber (extension line) obtained in Example 6 was subjected to false twist processing, and a fabric having a weight per unit area of 250 g/m 2 was produced by the above method, in the same manner as in Example 6. The method was subjected to a friction-resistant melting test, and as a result, there was a rubbing trace on the surface of the fabric after being pressed for 10 seconds with a load of 2 kg, but there was no trace of melting.
[比較例7] [Comparative Example 7]
將獲得之假撚加工線變更為極限黏度為0.64之聚對苯二甲酸乙二酯之84dtex/24f之聚對苯二甲酸乙二酯纖維，除此以外，以與實施例6相同之方式製作每單位面積之重量為250g/m2之織物，以與實施例6相同之方式進行耐摩擦熔融試驗。以2kg負載進行抵壓時，布帛於3.0秒鐘以內產生洞而破損。 The obtained false twist processing line was changed to 84 dtex/24f polyethylene terephthalate fiber of polyethylene terephthalate having an ultimate viscosity of 0.64, and the same manner as in Example 6 was carried out. A fabric having a weight per unit area of 250 g/m 2 was subjected to a friction-resistant melting test in the same manner as in Example 6. When the pressure was applied with a load of 2 kg, the cloth was broken within 3.0 seconds.
[比較例8] [Comparative Example 8]
使用MFR為2.3之高密度聚乙烯作為芯部，使用極限黏度[η]為0.64之聚對苯二甲酸乙二酯作為鞘部，將體積比率設為1：3，除此以外，以與實施例6相同之方式獲得84dtex/24f之芯鞘型複合纖維，進行假撚加工，雖欲製作織物，但伴隨於芯鞘剝離而產生白粉，故未獲得可製作織物之加 工線量。 A high-density polyethylene having an MFR of 2.3 was used as the core portion, and polyethylene terephthalate having an ultimate viscosity [η] of 0.64 was used as the sheath portion, and the volume ratio was set to 1:3, and In the same manner as in Example 6, a core-sheath type composite fiber of 84 dtex/24f was obtained and subjected to false twist processing. Although a fabric was to be produced, white powder was produced accompanying peeling of the core sheath, so that no fabric can be obtained. The amount of work.
[比較例9] [Comparative Example 9]
使用於比較例8中獲得之芯鞘型複合纖維，以與實施例6相同之方式製作織物(每單位面積之重量為250g/m2)，進行耐摩擦熔融試驗，結果抵壓10秒鐘後之布帛表面雖未破損，但有熔融痕跡。 Using the core-sheath type composite fiber obtained in Comparative Example 8, a woven fabric (having a weight per unit area of 250 g/m 2 ) was produced in the same manner as in Example 6, and subjected to a friction-resistant melting test, and the pressure was pressed for 10 seconds. Although the surface of the fabric is not damaged, there is a trace of melting.
將實施例6、7、比較例7、8、9之耐摩擦熔融試驗之結果(以2kg之負載抵壓布帛10秒鐘後之布帛狀況)、及於該試驗中以2kg負載抵壓布帛時直至於布帛上產生洞而破損之時間(直至破損之時間)與假撚操作性及染色性之評價結果一起示於以下之表3。 The results of the friction-resistant melting tests of Examples 6 and 7, Comparative Examples 7, 8, and 9 (the condition of the fabric after pressing the fabric for 10 seconds with a load of 2 kg), and the pressing of the fabric with a load of 2 kg in the test The time until the breakage occurred in the cloth (the time until the breakage) was shown in Table 3 below together with the evaluation results of the false twist operability and the dyeability.
再者，摩擦熔融試驗結果係以下述基準進行評價。 Further, the results of the friction melting test were evaluated on the basis of the following criteria.
○：無熔融痕跡，僅有摩擦痕跡 ○: no trace of melting, only traces of friction
△：一部分有熔融痕跡 △: Some of them have melting marks
×：試樣破損，產生洞 ×: The sample is broken and a hole is created.
自實施例6、7獲得之纖維係紡絲操作性、假撚操作性均良好且耐摩擦熔融性及染色性優異者。另一方面，自比較例7獲得之聚對苯二甲酸乙二酯單獨纖維係耐摩擦熔融性較差者。又，自芯部為聚乙烯且鞘部為聚對苯二甲酸乙二酯之比較例8獲得之芯鞘型複合纖維係假撚操作性及染色性較差者。又，由未實施假撚加工之芯部為聚乙烯、鞘部為聚對苯 二甲酸乙二酯所構成之比較例9之芯鞘型複合纖維之染色性、耐摩擦熔融性亦較差。 The fiber-spinning workability and the false twist workability obtained from Examples 6 and 7 were all excellent, and the friction-resistant meltability and the dyeability were excellent. On the other hand, the polyethylene terephthalate alone fiber obtained in Comparative Example 7 was inferior in frictional melt resistance. Further, the core-sheath type composite fiber obtained in Comparative Example 8 in which the core portion was polyethylene and the sheath portion was polyethylene terephthalate was inferior in workability and dyeability. Moreover, the core portion which is not subjected to false twist processing is polyethylene, and the sheath portion is polyparaphenylene. The core-sheath type composite fiber of Comparative Example 9 composed of ethylene diformate was also inferior in dyeability and frictional melt resistance.
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| TW201540884A TW201540884A (en) | 2015-11-01 |
| TWI648444B true TWI648444B (en) | 2019-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW103114172A TWI648444B (en) | 2014-04-18 | 2014-04-18 | Composite fiber, false twist processing line thereof, manufacturing method thereof, and fabric |
Country Status (1)
| Country | Link |
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| TW (1) | TWI648444B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000154428A (en) * | 1998-09-14 | 2000-06-06 | Toray Ind Inc | Polyester monofilament, its production and industrial fabric |
| JP2004183196A (en) * | 2002-11-19 | 2004-07-02 | Toray Ind Inc | Polyester conjugate fiber excellent in lightweight property |
| WO2005095686A1 (en) * | 2004-03-30 | 2005-10-13 | Teijin Fibers Limited | Composite fabric of island-in-sea type and process for producing the same |
| TW200632161A (en) * | 2005-03-02 | 2006-09-16 | Taiwan Textile Res Inst | Sea-island type ultrafine fibers and manufacturing method of sea-island type ultrafine fibers |
| WO2011093331A1 (en) * | 2010-01-29 | 2011-08-04 | 東レ株式会社 | Sea-island composite fiber, ultrafine fiber, and composite die |
| TW201313972A (en) * | 2011-08-11 | 2013-04-01 | Toray Industries | Sea-island fiber |
-
2014
- 2014-04-18 TW TW103114172A patent/TWI648444B/en active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000154428A (en) * | 1998-09-14 | 2000-06-06 | Toray Ind Inc | Polyester monofilament, its production and industrial fabric |
| JP2004183196A (en) * | 2002-11-19 | 2004-07-02 | Toray Ind Inc | Polyester conjugate fiber excellent in lightweight property |
| WO2005095686A1 (en) * | 2004-03-30 | 2005-10-13 | Teijin Fibers Limited | Composite fabric of island-in-sea type and process for producing the same |
| TW200632161A (en) * | 2005-03-02 | 2006-09-16 | Taiwan Textile Res Inst | Sea-island type ultrafine fibers and manufacturing method of sea-island type ultrafine fibers |
| WO2011093331A1 (en) * | 2010-01-29 | 2011-08-04 | 東レ株式会社 | Sea-island composite fiber, ultrafine fiber, and composite die |
| TW201313972A (en) * | 2011-08-11 | 2013-04-01 | Toray Industries | Sea-island fiber |
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| Publication number | Publication date |
|---|---|
| TW201540884A (en) | 2015-11-01 |
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