JP2005054325A - Polyester combined false-twist yarn - Google Patents
Polyester combined false-twist yarn Download PDFInfo
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- JP2005054325A JP2005054325A JP2003287471A JP2003287471A JP2005054325A JP 2005054325 A JP2005054325 A JP 2005054325A JP 2003287471 A JP2003287471 A JP 2003287471A JP 2003287471 A JP2003287471 A JP 2003287471A JP 2005054325 A JP2005054325 A JP 2005054325A
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- 229920000728 polyester Polymers 0.000 title claims abstract description 127
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 25
- 229920000570 polyether Polymers 0.000 claims abstract description 25
- -1 polyoxyethylene Polymers 0.000 claims abstract description 25
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims description 28
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 12
- 239000004744 fabric Substances 0.000 abstract description 17
- 206010061592 cardiac fibrillation Diseases 0.000 abstract description 16
- 230000002600 fibrillogenic effect Effects 0.000 abstract description 16
- 150000003460 sulfonic acids Chemical class 0.000 abstract 1
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 8
- 239000003513 alkali Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 239000000835 fiber Substances 0.000 description 6
- 238000009987 spinning Methods 0.000 description 6
- 230000004580 weight loss Effects 0.000 description 6
- 238000002788 crimping Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 4
- 238000004043 dyeing Methods 0.000 description 4
- 230000001771 impaired effect Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000006068 polycondensation reaction Methods 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 150000008054 sulfonate salts Chemical class 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000009998 heat setting Methods 0.000 description 2
- 239000012760 heat stabilizer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002074 melt spinning Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 239000011112 polyethylene naphthalate Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920002215 polytrimethylene terephthalate Polymers 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 238000005809 transesterification reaction Methods 0.000 description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 1
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 241000156978 Erebia Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000005037 alkyl phenyl group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- XQKKWWCELHKGKB-UHFFFAOYSA-L calcium acetate monohydrate Chemical compound O.[Ca+2].CC([O-])=O.CC([O-])=O XQKKWWCELHKGKB-UHFFFAOYSA-L 0.000 description 1
- 229940067460 calcium acetate monohydrate Drugs 0.000 description 1
- ZBYYWKJVSFHYJL-UHFFFAOYSA-L cobalt(2+);diacetate;tetrahydrate Chemical compound O.O.O.O.[Co+2].CC([O-])=O.CC([O-])=O ZBYYWKJVSFHYJL-UHFFFAOYSA-L 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
本発明は、かさ高性、スパン感を有し、さらには、ドライ感、フィブリル感にも優れたスパンライクなポリエステル布帛を得ることができるポリエステル複合仮撚加工糸に関する。 The present invention relates to a polyester composite false twisted yarn which has a bulkiness and a span feeling, and can obtain a spun-like polyester fabric which is also excellent in dry feeling and fibril feeling.
従来、伸度差を有する２種以上のポリエステルマルチフィラメント糸を引き揃えて交絡し、引き続いて仮撚加工することにより得られた、かさ高性、スパン感に優れた２層構造の複合仮撚加工糸が知られている（例えば、特許文献１参照）。 Conventionally, a composite false twist of a two-layer structure excellent in bulkiness and span feeling obtained by aligning two or more kinds of polyester multifilament yarns having different elongations, entangled them, and subsequently false twisting. A processed yarn is known (see, for example, Patent Document 1).
しかしながら、かかる方法で得られた複合仮撚加工糸を用いて製編織された布帛は、かさ高性やスパン感には優れるものの、ドライ感、フィブリル感の点で十分とは言えなかった。 However, the fabric knitted and woven using the composite false twisted yarn obtained by such a method is not sufficient in terms of dryness and fibrillation, although it is excellent in bulkiness and span feeling.
一方、本発明者らは、先に出願した特願２００３−１５９０５２号において、ポリエステル中に、水不溶性ポリオキシエチレン系ポリエーテルと、該ポリエステルと実質的に非反応性の有機スルホン酸塩を含有させた、ポリエステル仮撚捲縮加工糸を提案した。かかる仮撚捲縮加工糸によれば、ドライ感、フィブリル感を有する布帛が得られるが、用途によっては、さらに良好なかさ高性、スパン感が要求されることが判明した。
本発明は、上記の背景に鑑みなされたものであり、その目的は、良好なかさ高性、スパン感を有するとともにドライ感、フィブリル感にも優れた、スパンライクなポリエステル布帛を得ることのできるポリエステル複合仮撚加工糸を提供することにある。 The present invention has been made in view of the above-mentioned background, and the object thereof is polyester capable of obtaining a spun-like polyester fabric having excellent bulkiness, span feeling, and excellent dry feeling and fibril feeling. It is to provide a composite false twisted yarn.
本発明者らは、上記目的を達成するため鋭意検討した結果、伸度差を有する２種のポリエステルマルチフィラメント糸を引き揃えて仮撚加工する際、高伸度側ポリエステルマルチフィラメント糸として、ポリエステル中に、水不溶性ポリオキシエチレン系ポリエーテルと、該ポリエステルと実質的に非反応性の有機スルホン酸塩を含有させたものを用いることにより、所望のポリエステル複合仮撚加工糸が得られることを見出し、さらに鋭意検討を重ねることにより本発明を完成するに至った。 As a result of intensive studies to achieve the above object, the present inventors have found that when two types of polyester multifilament yarns having a difference in elongation are aligned and false twisted, polyester as a high elongation side polyester multifilament yarn is used. It is possible to obtain a desired polyester composite false twisted yarn by using a water-insoluble polyoxyethylene-based polyether and an organic sulfonate salt substantially non-reactive with the polyester. The present invention has been completed by repeated headings and further intensive studies.
かくして、本発明によれば「ポリエステルマルチフィラメント糸ａを芯部とし、その周りに、該ポリエステルマルチフィラメント糸ａよりも大きい伸度を有するポリエステルマルチフィラメント糸ｂが鞘部として巻きついた２層構造の複合仮撚加工糸であって、前記ポリエステルマルチフィラメント糸ｂを形成するポリエステルに、水不溶性ポリオキシエチレン系ポリエーテルが０．５〜２０重量％、該ポリエステルと実質的に非反応性の有機スルホン酸塩が０．１〜３．０重量％含有されてなることを特徴とするポリエステル複合仮撚加工糸。」が提供される。 Thus, according to the present invention, “a two-layer structure in which a polyester multifilament yarn a is used as a core, and a polyester multifilament yarn b having an elongation greater than that of the polyester multifilament yarn a is wound around the sheath as a sheath. The polyester forming the polyester multifilament yarn b is 0.5 to 20% by weight of water-insoluble polyoxyethylene-based polyether, and is substantially non-reactive with the polyester. A polyester composite false twisted yarn comprising 0.1 to 3.0% by weight of a sulfonate is provided. "
その際、ポリエステルマルチフィラメント糸ａの周りに、ポリエステルマルチフィラメント糸ｂが交互撚糸状に捲き付き、かつ実質的に太さ斑のない構造を有することが好ましい。また、ポリエステルマルチフィラメント糸ｂに含有される水不溶性ポリオキシエチレン系ポリエーテルが、下記一般式で表されるポリエーテルであり、下記一般式中の直鎖部（Ｂ）の分子量（ｎＢ）と枝分れ部（ＡおよびＡ’）の分子量（ｎＡ）の比（ｎＡ／ｎＢ）が０．２〜１．２、該ポリエーテルの平均分子量が５０００〜１６０００であることが好ましい。 In that case, it is preferable that the polyester multifilament yarn b has a structure in which the polyester multifilament yarn b is wound around in an alternating twisted manner and has substantially no thickness unevenness around the polyester multifilament yarn a. Further, the water-insoluble polyoxyethylene-based polyether contained in the polyester multifilament yarn b is a polyether represented by the following general formula, and the molecular weight (nB) of the straight chain part (B) in the following general formula: The molecular weight (nA) ratio (nA / nB) of the branched portions (A and A ′) is preferably 0.2 to 1.2, and the average molecular weight of the polyether is preferably 5000 to 16000.
前記ポリエステルマルチフィラメント糸ｂとポリエステルマルチフィラメント糸ａとの伸度差としては２０％以上であることが、優れたかさ高性とスパン感を得る上で好ましい。ポリエステルマルチフィラメント糸ａとポリエステルマルチフィラメント糸ｂとの重量割合としては、重量比（ａ：ｂ）３：７〜１：９の割合であることが好ましい。 The difference in elongation between the polyester multifilament yarn b and the polyester multifilament yarn a is preferably 20% or more in order to obtain excellent bulkiness and span feeling. The weight ratio of the polyester multifilament yarn a and the polyester multifilament yarn b is preferably a weight ratio (a: b) of 3: 7 to 1: 9.
本発明のポリエステル複合仮撚加工糸によれば、良好なかさ高性、スパン感を有するとともにドライ感、フィブリル感にも優れたスパンライクなポリエステル布帛を得ることができる。 According to the polyester composite false twisted yarn of the present invention, it is possible to obtain a spun-like polyester fabric having a good bulkiness and a span feeling, and also having an excellent dry feeling and fibril feeling.
以下、本発明の実施の形態について詳細に説明する。
まず、本発明のポリエステル複合仮撚加工糸において、ポリエステルマルチフィラメント糸ａを芯部とし、その周りに該ポリエステルマルチフィラメント糸ａよりも大きい伸度を有するポリエステルマルチフィラメント糸ｂが鞘部として巻きついた２層構造が形成されている。
Hereinafter, embodiments of the present invention will be described in detail.
First, in the polyester composite false twisted yarn of the present invention, the polyester multifilament yarn a is used as a core, and the polyester multifilament yarn b having an elongation larger than that of the polyester multifilament yarn a is wound around the polyester multifilament yarn a as a sheath. A two-layer structure is formed.
ここで、かかる２層構造としてはほぼ芯鞘構造になっておればよく、特に限定されないが、特公昭６１−１９７３３号公報の図６に示されているように、芯糸の周りに捲付き糸が交互撚糸状に捲きついた、実質的に太さ斑のない構造であることが好ましい。かかる２層構造糸において、芯糸と捲付き糸との構成フィラメントが互いに交絡した部分を有し、これにより前記交互撚糸状の捲付き構造が安定に保持される。 Here, such a two-layer structure is not particularly limited as long as it has a substantially core-sheath structure. However, as shown in FIG. 6 of Japanese Examined Patent Publication No. 61-19733, there are wrinkles around the core yarn. It is preferable that the yarn has a structure with substantially no thickness unevenness in which the yarns are wound in an alternating twisted shape. In such a two-layer structured yarn, the constituent filaments of the core yarn and the hooked yarn have portions entangled with each other, whereby the alternating twisted yarn-like hooked structure is stably maintained.
本発明のポリエステル複合仮撚加工糸において、鞘部に位置する高伸度側のポリエスエステルマルチフィラメント糸ｂを形成するポリエステルとしては、芳香環を重合体の連鎖単位に有する芳香族ポリエステルが好適である。かかる芳香族ポリエステルとしては、ポリエチレンテレフタレート、ポリブチレンテレフタレート、ポリトリメチレンテレフタレート、ポリエチレンナフタレートなどが特に好適である。かかるポリエステルには、本発明の目的を損なわない範囲で、酸化防止剤、紫外線吸収剤、熱安定剤、難燃剤、酸化チタン、着色剤、不活性微粒子などの任意の添加剤が含まれていてもよい。 In the polyester composite false twisted yarn of the present invention, an aromatic polyester having an aromatic ring in the chain unit of the polymer is suitable as the polyester forming the high-strength polyester multifilament yarn b located in the sheath. is there. As such an aromatic polyester, polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate, polyethylene naphthalate and the like are particularly suitable. Such polyester contains optional additives such as an antioxidant, an ultraviolet absorber, a heat stabilizer, a flame retardant, titanium oxide, a colorant, and inert fine particles as long as the object of the present invention is not impaired. Also good.
本発明において、ポリエステルマルチフィラメント糸ｂを形成するポリエステルには、前述のように、水不溶性ポリオキシエチレン系ポリエーテル、および有機スルホン酸塩が含有されており、以下それらについて詳述する。 In the present invention, the polyester forming the polyester multifilament yarn b contains a water-insoluble polyoxyethylene-based polyether and an organic sulfonate as described above, which will be described in detail below.
まず、ポリエスエステルマルチフィラメント糸ｂを形成するポリエステルには、水不溶性ポリオキシエチレン系ポリエーテルが０．５〜２０重量％（好ましくは１．０〜５．０重量％）含有される必要がある。該含有量が、０．５重量％未満では、フィブリル化するものの、その発現量が少なく、本発明の目的とするフィブリル感やドライ感が得られず好ましくない。逆に、該含有量が２０重量％よりも大きいと、フィブリル化は進むものの、フィブリル繊維が脱落しやすくなり、実用性に劣り好ましくない。 First, the polyester forming the polyester ester multifilament yarn b needs to contain 0.5 to 20% by weight (preferably 1.0 to 5.0% by weight) of a water-insoluble polyoxyethylene-based polyether. . When the content is less than 0.5% by weight, although fibrillation occurs, the expression amount is small, and the fibrillation feeling and dry feeling targeted by the present invention cannot be obtained, which is not preferable. On the other hand, when the content is larger than 20% by weight, fibrillation proceeds, but fibril fibers easily fall off, which is not preferable because of poor practicality.
前記水不溶性ポリオキシエチレン系ポリエーテルとしては、下記一般式で表されるポリエーテルであることが好ましい。 The water-insoluble polyoxyethylene polyether is preferably a polyether represented by the following general formula.
ここで、直鎖部（B）の分子量（ｎＢ）と枝分れ部（ＡおよびＡ’）の分子量（ｎＡ）の比（ｎＡ／ｎＢ）が０．２〜１．２であることが好ましく、より好ましくは０．２５〜１．０である。該比が０．２未満の場合、ポリエーテルをポリエステルポリマー中にブレンドした際に、直鎖状の部分が長すぎて分子鎖の伸張が不十分となるか、あるいは、枝分れの数や長さが不足しやすく、分子鎖の伸張に必要なアンカー効果が得られない恐れがある。その結果、本発明の目的とするフィブリル感やドライ感が十分には得られない恐れがある。 Here, the ratio (nA / nB) of the molecular weight (nB) of the linear part (B) to the molecular weight (nA) of the branched parts (A and A ′) is preferably 0.2 to 1.2. More preferably, it is 0.25 to 1.0. When the ratio is less than 0.2, when the polyether is blended into the polyester polymer, the linear portion is too long, resulting in insufficient extension of the molecular chain, or the number of branches The length tends to be insufficient, and the anchor effect necessary for the extension of the molecular chain may not be obtained. As a result, there is a possibility that the fibrillation and dryness intended by the present invention cannot be obtained sufficiently.
逆に、上記比（ｎＡ／ｎＢ）が１．２を越えると、直鎖部分でない部分が大きくなることで、ポリエーテルとポリエステルとのブレンドがされにくくなり、均一にフィブリル化が起こり難くなる恐れがある。 Conversely, if the ratio (nA / nB) exceeds 1.2, the portion that is not a linear portion becomes large, and it becomes difficult for the polyether and polyester to be blended and fibrillation hardly occurs. There is.
また、上記ポリエーテルの分子量は５０００〜１６０００、（より好ましくは５５００〜１４０００）であることが好ましい。該分子量が５０００未満の場合には、ポリエーテルが仮撚加工糸中で十分な長さに伸張されず、良好なフィブリル繊維が得られない恐れがある。逆に、該分子量が１６０００よりも大きい場合は、ポリエステル中での溶融混和性が低下して、分散が不均一となり易く、溶融紡糸性が低下し、得られる糸の物性が低下する恐れがある。 Moreover, it is preferable that the molecular weight of the said polyether is 5000-16000, (preferably 5500-14000). When the molecular weight is less than 5,000, the polyether is not stretched to a sufficient length in the false twisted yarn, and there is a possibility that good fibril fibers cannot be obtained. On the other hand, when the molecular weight is larger than 16000, melt miscibility in the polyester is lowered, dispersion tends to be non-uniform, melt spinnability is lowered, and physical properties of the obtained yarn may be lowered. .
一方、ポリエステルマルチフィラメント糸ｂを形成するポリエステルに含有される有機スルホン酸塩の含有量は、０．１〜３．０重量％（好ましくは０．２〜２．０重量％）である必要がある。有機スルホン酸塩は、アルカリ処理により繊維をフィブリル化する際、繊維の分子構造中でアルカリ減量の基点となる役割を果たすものである。このため、該含有量が０．１重量％未満では、アルカリ処理によるフィブリル化が十分に進まず好ましくない。逆に、該含有量が３．０重量％を越える場合には、糸の機械的性質、耐光性などが損なわれる。さらには、アルカリ処理でフィブリル化が進みすぎ、糸の強度が著しく低下し、実用的でない。 On the other hand, the content of the organic sulfonate contained in the polyester forming the polyester multifilament yarn b needs to be 0.1 to 3.0% by weight (preferably 0.2 to 2.0% by weight). is there. The organic sulfonate serves as a base point for alkali weight loss in the molecular structure of the fiber when the fiber is fibrillated by alkali treatment. For this reason, when the content is less than 0.1% by weight, fibrillation by alkali treatment does not proceed sufficiently, which is not preferable. On the other hand, when the content exceeds 3.0% by weight, the mechanical properties and light resistance of the yarn are impaired. Furthermore, the fibrillation is excessively advanced by the alkali treatment, and the strength of the yarn is remarkably lowered, which is not practical.
上記の有機スルホン酸塩としては、ポリエステルと実質的に非反応性である必要があり、下記一般式（１）〜（４）のうちいずれかで示されるスルホン酸金属塩であることが好ましい。 As said organic sulfonate, it needs to be substantially non-reactive with polyester, and it is preferable that it is a sulfonic acid metal salt shown by either of following General formula (1)-(4).
ポリエステルマルチフィラメント糸ｂは、前記水不溶性ポリオキシエチレン系ポリエーテルと有機スルホン酸塩が含有されたポリエステルからなるマルチフィラメントであって、後記のポリエステルマルチフィラメント糸ａよりも、その伸度が高い必要がある。伸度差としては、２０％以上（より好ましくは３０％以上、特に好ましくは８０〜２５０％）であることが好ましい。このように伸度差をもうけることにより、かさ高性やスパン感が得られやすくなる。 The polyester multifilament yarn b is a multifilament made of polyester containing the water-insoluble polyoxyethylene-based polyether and the organic sulfonate, and needs to have higher elongation than the polyester multifilament yarn a described later. There is. The difference in elongation is preferably 20% or more (more preferably 30% or more, particularly preferably 80 to 250%). By making the difference in elongation in this way, it becomes easy to obtain bulkiness and span feeling.
一方、本発明のポリエステル複合仮撚加工糸の芯部に位置するポリエステルマルチフィラメント糸ａは、前記ポリエステルマルチフィラメント糸ｂよりも低伸度である必要がある。 On the other hand, the polyester multifilament yarn a located at the core of the polyester composite false twisted yarn of the present invention needs to have a lower elongation than the polyester multifilament yarn b.
該ポリエステルマルチフィラメント糸ａを形成するポリエステルとしては、ポリエチレンテレフタレート、ポリブチレンテレフタレート、ポリトリメチレンテレフタレート、ポリエチレンナフタレートなどが特に好適である。かかるポリエステルには、本発明の目的を損なわない範囲で、酸化防止剤、紫外線吸収剤、熱安定剤、難燃剤、酸化チタン、着色剤、不活性微粒子などの任意の添加剤が含まれていてもよい。さらには、ポリエステルマルチフィラメントｂと同じポリエーテルと有機スルホン酸塩を含むポリエステルでもよい。 As the polyester forming the polyester multifilament yarn a, polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate, polyethylene naphthalate and the like are particularly suitable. Such polyester contains optional additives such as an antioxidant, an ultraviolet absorber, a heat stabilizer, a flame retardant, titanium oxide, a colorant, and inert fine particles as long as the object of the present invention is not impaired. Also good. Furthermore, the polyester containing the same polyether and organic sulfonate as the polyester multifilament b may be used.
本発明のポリエステル複合仮撚加工糸において、ポリエステルマルチフィラメント糸ａとポリエステルマルチフィラメント糸ｂとの重量比が、（ａ：ｂ）で３：７〜１：９の割合で含まれることが好ましい。なお、本発明の目的が損なわれない範囲であれば、第３の糸条が含まれていてもさしつかえない。 In the polyester composite false twisted yarn of the present invention, it is preferable that the weight ratio of the polyester multifilament yarn a and the polyester multifilament yarn b is (a: b) in a ratio of 3: 7 to 1: 9. Note that the third yarn may be included as long as the object of the present invention is not impaired.
なお、前記ポリエステルマルチフィラメント糸ａとポリエステルマルチフィラメント糸ｂの単繊維の横断面形状は特に限定されず、丸だけでなく、丸中空、三角、四角などの異型でもよい。また、前記ポリエステルマルチフィラメント糸ａとポリエステルマルチフィラメント糸ｂの総繊度は、特に限定されないが、かさ高性、布帛表面のドライ感、フィブリル感、コシ、反発性を得る上で、捲き付き糸の総繊度を芯糸の総繊度以上とすることが好ましく、ポリエステル複合仮撚加工糸内において、ポリエステルマルチフィラメント糸ｂの総繊度を７０〜３５０ｄｔｅｘ、ポリエステルマルチフィラメント糸ａの総繊度を５０〜１５０ｄｔｅｘの範囲とすることが好ましい。また、ポリエステルマルチフィラメント糸ａとポリエステルマルチフィラメント糸ｂの単繊維繊度は、１．５〜５．０ｄｔｅｘの範囲とすることが好ましい。 In addition, the cross-sectional shape of the single fiber of the polyester multifilament yarn a and the polyester multifilament yarn b is not particularly limited, and may be not only a circle but also an irregular shape such as a round hollow, a triangle, or a square. Further, the total fineness of the polyester multifilament yarn a and the polyester multifilament yarn b is not particularly limited, but in order to obtain bulkiness, dryness of the fabric surface, fibrillation, stiffness, and resilience, The total fineness is preferably equal to or greater than the total fineness of the core yarn. In the polyester composite false twisted yarn, the total fineness of the polyester multifilament yarn b is 70 to 350 dtex, and the total fineness of the polyester multifilament yarn a is 50 to 150 dtex. It is preferable to be in the range. The single fiber fineness of the polyester multifilament yarn a and the polyester multifilament yarn b is preferably in the range of 1.5 to 5.0 dtex.
次に、本発明のポリエステル複合仮撚加工糸の製造方法について説明する。
まず、前記ポリエステルマルチフィラメント糸ｂ（高伸度側糸条）は、例えば、以下の方法により製造することができる。まず、前記のポリオキシエチレン系ポリエーテルおよび有機スルホン酸塩をポリエステル中に含有させるのは、ポリエステルが繊維化される前の段階であれば、任意の段階で、任意の方法により行うことができる。例えば、ポリエステルの重縮合反応開始前、重縮合反応途中、あるいは、重縮合反応終了後に、上記ポリオキシエチレン系ポリエーテルおよび有機スルホン酸塩を、粉体またはグリコール等の溶媒に溶解もしくは分散した状態で添加する方法が採用される。または、上記ポリオキシエチレン系ポリエーテルおよび有機スルホン酸塩を含有させたマスターチップを予め作製し、これとポリエステルのチップとを、乾燥工程または溶融紡糸工程で混合してもよいし、それぞれを溶融させた後混合してもよい。
Next, the manufacturing method of the polyester composite false twisted yarn of this invention is demonstrated.
First, the polyester multifilament yarn b (high elongation side yarn) can be produced, for example, by the following method. First, the above-described polyoxyethylene-based polyether and organic sulfonate can be contained in the polyester at any stage and by any method as long as the polyester is in a stage before fiberization. . For example, a state in which the polyoxyethylene polyether and the organic sulfonate are dissolved or dispersed in a solvent such as powder or glycol before the start of the polycondensation reaction of the polyester, during the polycondensation reaction, or after the completion of the polycondensation reaction. The method of adding in is adopted. Alternatively, a master chip containing the polyoxyethylene-based polyether and the organic sulfonate may be prepared in advance, and this may be mixed with a polyester chip in a drying process or a melt spinning process, or each may be melted. And then mixed.
以上の方法で、ポリエステルに、水不溶性ポリオキシエチレン系ポリエーテルが０．５〜２０重量％、該ポリエステルと実質的に非反応性の有機スルホン酸塩が０．１〜３．０重量％（好ましくは０．２〜２．０重量％）含有させ、例えば、これをチップ状とし、２７０〜３１０℃の紡糸温度で紡糸口金から溶融吐出し、吐出ポリマーを冷却固化し、油剤を付与した後、これを５００〜２５００ｍ／分、好ましくは８００〜１６００ｍ／分で引取り、未延伸糸としてワインダーに巻き取ることにより得ることができる。 By the above method, 0.5 to 20% by weight of water-insoluble polyoxyethylene-based polyether and 0.1 to 3.0% by weight of organic sulfonate salt substantially non-reactive with the polyester are added to the polyester. Preferably 0.2 to 2.0% by weight), for example, in the form of chips, melted and discharged from a spinneret at a spinning temperature of 270 to 310 ° C., cooled and solidified the discharged polymer, and applied an oil agent It can be obtained by taking it up at 500-2500 m / min, preferably 800-1600 m / min, and winding it around a winder as undrawn yarn.
一方、ポリエステルマルチフィラメント糸ａ（低伸度側糸条）は、通常のポリエステルをチップ状とし、２７０〜３１０℃の紡糸温度で紡糸口金から溶融吐出し、吐出ポリマーを冷却固化し、油剤を付与した後、これを２５００〜５０００ｍ／分、好ましくは３０００〜４０００ｍ／分で引取り、未延伸糸（部分配向糸）としてワインダーに巻き取ることにより得ることができる。 On the other hand, the polyester multifilament yarn a (low elongation side yarn) is made of ordinary polyester in a chip shape, melted and discharged from a spinneret at a spinning temperature of 270 to 310 ° C., the discharged polymer is cooled and solidified, and an oil agent is applied. Then, it can be obtained by winding it at 2500 to 5000 m / min, preferably 3000 to 4000 m / min, and winding it around a winder as an undrawn yarn (partially oriented yarn).
次いで、両糸条を用いて、例えば、特公昭６１−１９７３３号公報に記載されるスパンライク用仮撚２層構造糸の製造方法により得ることができる。すなわち、特公昭６１−１９７３３号公報の図９に示される装置を用いて、前記ポリエステルマルチフィラメント糸ａとポリエステルマルチフィラメント糸ｂと引き揃えて空気交絡処理を施したのち、１．２倍以上の延伸倍率で同時延伸仮撚捲縮加工を施す方法である。その際、交絡数３０〜８０個／ｍ、ヒータ温度１２０〜１９０℃、仮撚数２１００〜２８００Ｔ／ｍ、延伸倍率１．３〜１．８倍の範囲が好ましく、仮撚具としては、３軸摩擦片デイスク式仮撚具、ベルト式仮撚具、ピン式仮撚具などが例示される。 Next, using both yarns, for example, it can be obtained by a method for producing a spun-like false twist two-layer structure yarn described in Japanese Patent Publication No. 61-19733. That is, using the apparatus shown in FIG. 9 of Japanese Patent Publication No. 61-19733, the polyester multifilament yarn a and the polyester multifilament yarn b are aligned and subjected to an air entanglement treatment, and then 1.2 times or more. This is a method of performing simultaneous drawing false twist crimping at a draw ratio. At that time, the number of entanglements is 30 to 80 / m, the heater temperature is 120 to 190 ° C., the number of false twists is 2100 to 2800 T / m, and the stretch ratio is 1.3 to 1.8 times. A shaft friction piece disk type false twisting tool, a belt type false twisting tool, a pin type false twisting tool and the like are exemplified.
かくして得られたポリエステル複合仮撚加工糸は、低伸度側のポリエステルマルチフィラメント糸ａが芯部に位置し、その周りに高伸度側のポリエステルマルチフィラメント糸ｂが鞘部として巻きついた２層構造を有する。 In the polyester composite false twisted yarn thus obtained, the polyester multifilament yarn a on the low elongation side is located in the core, and the polyester multifilament yarn b on the high elongation side is wound around it as a sheath 2 It has a layer structure.
かかるポリエステル複合仮撚加工糸を用いて、必要に応じて適度な撚りを施し、所望の組織に製編織した後、製編織された布帛に通常のアルカリ減量加工（好ましいアルカリ減量率は５〜３０％）を施すことにより、ポリエステルマルチフィラメント糸ｂがフィブリル化される。その結果、良好なかさ高性、スパン感を有するとともにドライ感、フィブリル感にも優れたスパンライクなポリエステル布帛が得られる。 The polyester composite false twisted yarn is used for appropriate twisting as necessary, knitted into a desired structure, and then subjected to a normal alkali weight reduction process (preferable alkali weight loss rate is 5 to 30). %), The polyester multifilament yarn b is fibrillated. As a result, a spun-like polyester fabric having a good bulkiness and a span feeling as well as an excellent dry feeling and fibril feeling can be obtained.
その際、布帛中に占める本発明のポリエステル複合仮撚加工糸の割合は、必ずしも１００％である必要はないが、優れたドライ感、フィブリル感を得るためにはその割合が多いほど好ましい。また、通常の染色仕上げ加工が施されても何らさしつかえない。 At that time, the ratio of the polyester composite false twisted yarn of the present invention in the fabric is not necessarily 100%, but it is preferable that the ratio is larger in order to obtain excellent dry feeling and fibril feeling. Moreover, there is no problem even if a normal dyeing finish is applied.
以下、実施例をあげて本発明を詳細に説明するが、本発明はこれらによって何ら限定されるものではない。なお、実施例中の各物性は下記の方法により測定したものである。
（１）伸度
ＪＩＳ Ｌ １０１３−１９９８ ７．５．１により伸度（％）を測定した。
（２）固有粘度
３５℃のオルソクロロフェノール溶液で測定した。
（３）風合い（フィブリル感、ドライ感、かさ高性、スパン感）
フィブリル感については、熟練者５人による外観評価を行い、その平均値で、均一にフィブリル化が進み品位の高いものを「きわめて良好」とし、フィブリル化が不十分で筋状の斑が多く見えるものを「不良」とし、その間をさらに２段階にわけ、「きわめて良好」、「良好」、「やや不良」、「不良」の４段階にランク付けした。また、その他のドライ感、かさ高性、スパン感については、上記と同様に熟練者５人による官能評価を行い、その平均値で、各々、「きわめて良好」、「良好」、「やや不良」、「不良」の４段階にランク付けした。
EXAMPLES Hereinafter, although an Example is given and this invention is demonstrated in detail, this invention is not limited at all by these. In addition, each physical property in an Example is measured with the following method.
(1) Elongation The elongation (%) was measured according to JIS L 1013-1998 7.5.1.
(2) Intrinsic viscosity Measured with an orthochlorophenol solution at 35 ° C.
(3) Texture (Fibrity, dryness, bulkiness, span)
As for the fibrillation, the appearance was evaluated by five experts, and the average value of the fibrillation was judged to be “very good” when the fibrillation progressed uniformly and the quality was high, and the fibrillation was insufficient and many streaky spots were visible. The product was defined as “bad”, and was further divided into two levels, and was ranked into four levels: “very good”, “good”, “slightly bad”, and “bad”. As for other dry feeling, bulkiness, and span feeling, sensory evaluation was conducted by five experts in the same manner as above, and the average values were “very good”, “good”, and “slightly bad”, respectively. , Ranked as “bad”.
［実施例１］
テレフタル酸ジメチル１００部、エチレングリコール６０部、酢酸カルシウム１水塩部０．０６部（テレフタル酸ジメチルに対して０．００６６モル％）、および整色剤として酢酸コバルト４水塩０．００９部（テレフタル酸ジメチルに対して０．０７モル％）をエステル交換缶に仕込み、窒素ガス雰囲気下４時間かけて１４０℃から２２０℃まで昇温して生成するメタノールを系外に留居しながらエステル交換反応させた。
[Example 1]
100 parts of dimethyl terephthalate, 60 parts of ethylene glycol, 0.06 part of calcium acetate monohydrate (0.0066 mol% with respect to dimethyl terephthalate), and 0.009 part of cobalt acetate tetrahydrate as a color adjuster ( 0.07 mol% with respect to dimethyl terephthalate) was charged into a transesterification vessel, and the temperature was raised from 140 ° C to 220 ° C over 4 hours in a nitrogen gas atmosphere. Reacted.
エステル交換反応終了後、反応混合物に安定剤としてリン酸トリメチル０．０５８部（テレフタル酸ジメチルに対して０．０８０モル％）、および消泡剤としてジメチルポリシロキ酸０．０２４部を加えた。ついで、１０分後、三酸化アンチモン０．０４部（テレフタル酸ジメチルに対して０．０２７モル％）を添加し同時に過剰のエチレングリコールを追い出しながら２４０℃まで昇温したあと、重合反応釜に移した。
次に、この反応化合物に下記式、
After completion of the transesterification reaction, 0.058 parts of trimethyl phosphate (0.080 mol% based on dimethyl terephthalate) as a stabilizer and 0.024 parts of dimethylpolysiloxy acid as an antifoaming agent were added to the reaction mixture. Then, after 10 minutes, 0.04 part of antimony trioxide (0.027 mol% with respect to dimethyl terephthalate) was added, and the temperature was raised to 240 ° C. while expelling excess ethylene glycol. did.
Next, the reaction compound has the following formula:
こうして得られたチップを紡糸口金から、溶融温度２８７℃で溶融吐出し、紡糸速度１５００ｍ／分で一旦巻取り、高伸度側糸条として１６５ｄｔｅｘ／３６ｆｉｌ、伸度３５０％の未延伸糸を得た。 The chips thus obtained were melted and discharged from a spinneret at a melting temperature of 287 ° C., and were wound up once at a spinning speed of 1500 m / min to obtain 165 dtex / 36 fil as a high elongation side yarn and an undrawn yarn having an elongation of 350%. It was.
一方、固有粘度０．６６の通常のポリエチレンテレフタレートを用いて、通常の紡糸機を使用して、常法に従って溶融紡糸して、３５００ｍ／分で一旦巻取り、低伸度側糸条として１３０ｄｔｅｘ／２４ｆｉｌ、伸度１１２％の未延伸糸（部分配向糸）を得た。 On the other hand, using ordinary polyethylene terephthalate having an intrinsic viscosity of 0.66, using an ordinary spinning machine, melt spinning in accordance with a conventional method, winding once at 3500 m / min, and 130 dtex / as a low elongation side yarn. An undrawn yarn (partially oriented yarn) having 24 fil and an elongation of 112% was obtained.
次いで、両糸条を引き揃えて空気交絡処理および同時延伸仮撚捲縮加工を行った。その際、空気交絡処理は、公知のインターレースノズルを用い、オーバーフィード率１．０％、圧空圧０．３ＭＰａ（３ｋｇｆ／ｃｍ２）で４５個／ｍの交絡を付与した。また、同時延伸仮撚捲縮加工は、延伸倍率１．５５倍、仮撚数２５００Ｔ／ｍ、ヒーター温度１８０℃、糸速３５０ｍ／分の条件で行った。 Next, both yarns were aligned and subjected to air entanglement treatment and simultaneous drawing false twist crimping. At that time, for the air entanglement treatment, a known interlace nozzle was used and entanglement of 45 pieces / m was applied at an overfeed rate of 1.0% and a pneumatic pressure of 0.3 MPa (3 kgf / cm 2 ). The simultaneous drawing false twist crimping was performed under the conditions of a draw ratio of 1.55 times, a false twist number of 2500 T / m, a heater temperature of 180 ° C., and a yarn speed of 350 m / min.
かくして得られたポリエステル複合仮撚加工糸は、実質的に太さ斑のない交互撚り２層構造を有しており、かつ芯部を構成する糸条の伸度は３５％であり、他方、鞘部を構成する糸条の伸度は７５％であった。また、芯部を構成する糸条と鞘部を構成する糸条とが部分的に交絡（３０個／ｍ）していた。 The polyester composite false twisted yarn thus obtained has an alternately twisted two-layer structure substantially free of thickness unevenness, and the elongation of the yarn constituting the core is 35%, The elongation of the yarn constituting the sheath was 75%. Further, the yarn constituting the core portion and the yarn constituting the sheath portion were partially entangled (30 / m).
該ポリエステル複合仮撚加工糸を経糸および緯糸に用い、タフタ織物に製織し、常法に従って精錬、アルカリ減量加工（減量率１５％）、染色、熱セットを施した。得られた織物はフィブリル化されており、フィブリル感で「きわめて良好」、ドライ感で「きわめて良好」、かさ高性で「きわめて良好」、スパン感で「きわめて良好」と、スパンライクでフィブリル感、ドライ感に優れるものであった。 The polyester composite false twisted yarn was used for warp and weft, woven into a taffeta fabric, and subjected to refining, alkali weight loss processing (weight loss rate 15%), dyeing, and heat setting according to a conventional method. The resulting fabric is fibrillated and has a very fibrillar feel, a very dry feel, a very good bulkiness, a very good bulkiness, a very good span feel, and a spanlike, fibrillar feel. It was excellent in dry feeling.
［実施例２］
実施例１において、高伸度側糸条の紡糸速度を２５００ｍ／分に変更すること以外は実施例１と同様にして２００ｄｔｅｘ／３６ｆｉｌ、伸度１９０％の未延伸糸を得た。また、実施例１において、低伸度側糸条の紡糸速度を４５００ｍ／分に変更すること以外は実施例１と同様にして、１１０ｄｔｅｘ／２４ｆｉｌ、伸度７０％の未延伸糸（部分配向糸）を得た。
[Example 2]
In Example 1, an undrawn yarn having 200 dtex / 36 fil and an elongation of 190% was obtained in the same manner as in Example 1 except that the spinning speed of the high elongation side yarn was changed to 2500 m / min. Further, in Example 1, an undrawn yarn (partially oriented yarn) of 110 dtex / 24 fil and 70% elongation was obtained in the same manner as in Example 1 except that the spinning speed of the low elongation side yarn was changed to 4500 m / min. )
次いで、両糸条を引き揃えて空気交絡処理および同時延伸仮撚捲縮加工を行った。その際、空気交絡処理は、公知のインターレースノズルを用い、オーバーフィード率０．５％、圧空圧０．３ＭＰａ（３ｋｇｆ／ｃｍ２）で４０個／ｍの交絡を付与した。また、同時延伸仮撚捲縮加工は、延伸倍率１．２３倍、仮撚数２５００Ｔ／ｍ、ヒーター温度２１０℃、糸速２５０ｍ／分の条件で行った。 Next, both yarns were aligned and subjected to air entanglement treatment and simultaneous drawing false twist crimping. At that time, a known interlace nozzle was used for the air entanglement treatment, and 40 / m entanglement was imparted at an overfeed rate of 0.5% and a pneumatic pressure of 0.3 MPa (3 kgf / cm 2 ). The simultaneous drawing false twist crimping was performed under the conditions of a draw ratio of 1.23 times, a false twist number of 2500 T / m, a heater temperature of 210 ° C., and a yarn speed of 250 m / min.
かくして得られたポリエステル複合仮撚加工糸は、実質的に太さ斑のない交互撚り２層構造を有しており、かつ芯部を構成する糸条の伸度は３０％であり、他方、鞘部を構成する糸条の伸度は６５％であった。また、芯部を構成する糸条と鞘部を構成する糸条とが部分的に交絡（２８個／ｍ）していた。 The polyester composite false twisted yarn thus obtained has an alternating twisted two-layer structure substantially free of thickness spots, and the elongation of the yarn constituting the core is 30%, The elongation of the yarn constituting the sheath was 65%. Further, the yarn constituting the core portion and the yarn constituting the sheath portion were partially entangled (28 pieces / m).
該ポリエステル複合仮撚加工糸を経糸および緯糸に用い、タフタ織物に製織し、常法に従って精錬、アルカリ減量加工（減量率１５％）、染色、熱セットを施した。得られた織物はフィブリル化されており、フィブリル感で「きわめて良好」、ドライ感で「きわめて良好」、かさ高性で「きわめて良好」、スパン感で「きわめて良好」と、スパンライクでフィブリル感、ドライ感に優れるものであった。 The polyester composite false twisted yarn was used for warp and weft, woven into a taffeta fabric, and subjected to refining, alkali weight loss processing (weight loss rate 15%), dyeing, and heat setting according to a conventional method. The resulting fabric is fibrillated and has a very fibrillar feel, a very dry feel, a very good bulkiness, a very good bulkiness, a very good span feel, and a spanlike, fibrillar feel. It was excellent in dry feeling.
［比較例１］
実施例１において、高伸度側糸条のポリマーとして、低伸度側糸条と同じもの（フィブリル化剤を含まない）を用いること以外は実施例１と同様にしてポリエステル複合仮撚加工糸を得て、製織、減量、染色仕上げ加工を行った。得られた織物はフィブリル化されておらず、フィブリル感で「不良」、ドライ感で「不良」、かさ高性で「きわめて良好」、スパン感で「きわめて良好」と、フィブリル感、ドライ感に劣るものであった。
[Comparative Example 1]
In Example 1, a polyester composite false twisted yarn was used in the same manner as in Example 1 except that the same polymer as the low elongation side yarn (excluding the fibrillating agent) was used as the polymer of the high elongation side yarn. Weaving, weight reduction, and dyeing finishing were performed. The resulting fabric is not fibrillated and has a fibrillation feeling of “bad”, a dry feeling of “poor”, a bulkiness of “very good”, and a span feeling of “very good”. It was inferior.
本発明のポリエステル複合仮撚加工糸を用いて布帛を得ると、良好なかさ高性、スパン感を有するとともにドライ感、フィブリル感にも優れた、従来には見られなかったようなスパンライクなポリエステル布帛を得ることができる。かかる布帛は、各種の衣料用途に巾広く使用することができ、その工業的価値は極めて大である。 When a fabric is obtained using the polyester composite false twisted yarn of the present invention, a spun-like polyester that has good bulkiness, a feeling of span, excellent dryness and fibrillation, and has never been seen before. A fabric can be obtained. Such a fabric can be widely used for various clothing applications, and its industrial value is extremely large.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007204900A (en) * | 2006-02-06 | 2007-08-16 | Teijin Fibers Ltd | Polyester fiber for air-laid nonwoven fabric and method for producing the same |
| WO2008007803A1 (en) * | 2006-07-14 | 2008-01-17 | Teijin Fibers Limited | Antistatic polyester false twist yarn, process for producing the same, and antistatic special composite false twist yarn including the antistatic polyester false twist yarn |
| JP2008019537A (en) * | 2006-07-14 | 2008-01-31 | Teijin Fibers Ltd | Antistatic false twist-textured polyester yarn and method for producing the same |
| JP2008025036A (en) * | 2006-07-18 | 2008-02-07 | Teijin Fibers Ltd | Specific composite false twisted yarn having antistatic property and method for producing the same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007204900A (en) * | 2006-02-06 | 2007-08-16 | Teijin Fibers Ltd | Polyester fiber for air-laid nonwoven fabric and method for producing the same |
| WO2008007803A1 (en) * | 2006-07-14 | 2008-01-17 | Teijin Fibers Limited | Antistatic polyester false twist yarn, process for producing the same, and antistatic special composite false twist yarn including the antistatic polyester false twist yarn |
| JP2008019537A (en) * | 2006-07-14 | 2008-01-31 | Teijin Fibers Ltd | Antistatic false twist-textured polyester yarn and method for producing the same |
| JP2008025036A (en) * | 2006-07-18 | 2008-02-07 | Teijin Fibers Ltd | Specific composite false twisted yarn having antistatic property and method for producing the same |
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