JPH1037065A - See-through proofing fiber and its production - Google Patents
See-through proofing fiber and its productionInfo
- Publication number
- JPH1037065A JPH1037065A JP19455496A JP19455496A JPH1037065A JP H1037065 A JPH1037065 A JP H1037065A JP 19455496 A JP19455496 A JP 19455496A JP 19455496 A JP19455496 A JP 19455496A JP H1037065 A JPH1037065 A JP H1037065A
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- alkali
- polymer
- ultrafine
- denier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 125
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 229920000642 polymer Polymers 0.000 claims abstract description 50
- 239000003513 alkali Substances 0.000 claims abstract description 33
- 239000002131 composite material Substances 0.000 claims abstract description 24
- 229920001410 Microfiber Polymers 0.000 claims abstract description 23
- 239000010410 layer Substances 0.000 claims abstract description 19
- 239000011247 coating layer Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 8
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 150000002009 diols Chemical class 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000009987 spinning Methods 0.000 abstract description 3
- 230000003405 preventing effect Effects 0.000 abstract 1
- 239000004753 textile Substances 0.000 abstract 1
- 230000035699 permeability Effects 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- -1 polybutylene terephthalate Polymers 0.000 description 6
- 239000003658 microfiber Substances 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 229920002292 Nylon 6 Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920002302 Nylon 6,6 Polymers 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000012510 hollow fiber Substances 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920001634 Copolyester Polymers 0.000 description 1
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000003230 hygroscopic agent Substances 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000006224 matting agent Substances 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
Landscapes
- Multicomponent Fibers (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Artificial Filaments (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は防透性繊維に関する
ものである。さらに詳しくは繊維内部を極細繊維化する
ことにより、細繊度で透け防止性、吸水性、保温性に優
れ、しかも仮撚や強ネンなどの糸加工の工程通過が良好
な、防透性繊維とその製造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an impervious fiber. More specifically, by making the inside of the fiber into an ultra-fine fiber, it has excellent fineness and excellent anti-shedding properties, water absorption, and heat retention, and also has good passing through the process of yarn processing such as false twist and strong yarn. The present invention relates to the manufacturing method.
【０００２】[0002]
【従来の技術】従来より、繊維の透け防止として、繊維
を形成するポリマに高濃度に無機粒子を配合し通過する
光を散乱させたり、合成繊維の横断面を異形化したり、
繊維内部を中空化する各種の提案がなされている。2. Description of the Related Art Conventionally, in order to prevent the penetration of fibers, a polymer forming the fibers is blended with inorganic particles at a high concentration to scatter light passing therethrough, or to deform the cross section of synthetic fibers,
Various proposals have been made to hollow the interior of the fiber.
【０００３】例えば特開平７−３１６９７７号公報で
は、吸水性を持つ耐アルカリ性のポリマからなる多孔中
空繊維による防透性繊維が開示されている。この多孔型
中空繊維は、繊維内部に複数の中空部を形成させ、繊維
に防透性を与えるものであるが織編物に加わる外力によ
って中空部の潰れが生じ、性能が低下するなど問題のあ
るものであった。[0003] For example, Japanese Patent Application Laid-Open No. Hei 7-316977 discloses an impervious fiber made of a porous hollow fiber made of an alkali-resistant polymer having water absorbency. This porous hollow fiber has a plurality of hollow portions formed inside the fiber and imparts permeability to the fiber.However, there is a problem that the hollow portion is crushed by an external force applied to the woven or knitted fabric, and the performance is reduced. Was something.
【０００４】また特開昭５６−１５４１２号公報では、
複合繊維の芯部をアルカリ分解性の大きいポリマとし、
仮撚加工で繊維表面部に亀裂を生じさせた後、アルカリ
処理し芯部の一部を除去し中空化するものであるが、繊
維表面部に形成した亀裂から繊維がフィブリル化する問
題がさけられないものであった。In Japanese Patent Application Laid-Open No. 56-15412,
The core of the composite fiber is made of a polymer with large alkali decomposability,
After the fiber surface is cracked by false twisting, it is alkali-treated to remove a part of the core and hollow the fiber.However, the problem of fibrillation of the fiber from the crack formed on the fiber surface is avoided. It was not possible.
【０００５】このように繊維内部を除去して得られた中
空部を利用し繊維に新規な機能を付与する提案が各種な
されているが、中空を利用する防透性繊維は中空部を形
成することで糸の強度低下をまねくことや、織編物に加
わる外力によって中空部の潰れが生じ、性能が低下する
など、細繊度で糸の強度を必要とするインナーウェア、
スポーツウェアなどの衣料用途に展開が困難なものであ
った。[0005] Various proposals have been made to use the hollow portion obtained by removing the inside of the fiber to give a new function to the fiber. However, the impermeable fiber utilizing the hollow portion forms the hollow portion. Innerwear that requires yarn strength with fineness, such as causing a decrease in yarn strength by the fact that the external force applied to the woven or knitted fabric causes the hollow portion to collapse and the performance to decrease,
It was difficult to develop for clothing use such as sportswear.
【０００６】[0006]
【発明が解決しようとする課題】本発明の目的は、上記
従来技術の問題点を解消し、衣料用途に適した、透け防
止性、保温性、吸水性に優れ、しかも、糸加工工程通過
性が良好な、また用途展開できる細繊度の防透性繊維を
提供することにある。SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems of the prior art, and to be suitable for use in clothing, having excellent see-through prevention properties, heat retention properties, and water absorption properties. The object of the present invention is to provide an impervious fiber with good fineness and fine fineness that can be used for various applications.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
には （１）熱可塑性ポリマからなる単糸繊度１デニール以上
１０デニール以下の繊維であって、該単繊維が極細繊維
層と被覆層からなる防透性繊維。Means for Solving the Problems To achieve the above object, (1) a single fiber fineness of 1 denier to 10 denier made of a thermoplastic polymer, wherein the single fiber is an ultrafine fiber layer and a coating layer; An impervious fiber consisting of
【０００８】（２）アルカリ溶解性ポリマと、耐アルカ
リ性ポリマの少なくとも２成分からなる可細化性複合繊
維の繊維表面を耐アルカリ性ポリマで被覆したのち、ア
ルカリ溶液で処理し、アルカリ溶解性ポリマを溶解また
は分解除去し、該可細化性複合繊維内部を極細化する防
透性繊維の製造方法で達成できる。(2) The fiber surface of a simplifying composite fiber comprising at least two components of an alkali-soluble polymer and an alkali-resistant polymer is coated with an alkali-resistant polymer, and then treated with an alkali solution to remove the alkali-soluble polymer. It can be achieved by a method for producing a permeation-resistant fiber that dissolves or decomposes and removes the inside of the miniaturizable conjugate fiber to make it extremely fine.
【０００９】[0009]
【発明の実施の形態】以下、本発明を詳細に説明する。
本発明の防透性繊維は、熱可塑性ポリマからなる単糸繊
度１デニール以上１０デニール以下の繊維であって、該
単繊維は極細繊維層と被覆層からなる繊維である。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail.
The impervious fiber of the present invention is a fiber having a single fiber fineness of 1 denier or more and 10 denier or less made of a thermoplastic polymer, and the single fiber is a fiber composed of an ultrafine fiber layer and a coating layer.
【００１０】本発明の防透性繊維を形成する熱可塑性ポ
リマとは、溶融紡糸可能な繊維形成性の耐アルカリ性を
有するポリマをいう。The thermoplastic polymer forming the impermeable fiber of the present invention is a fiber-forming, alkali-resistant polymer that can be melt-spun.
【００１１】本発明でいう耐アルカリ性とは、カセイソ
ーダ（固形）５ｇ／ｌ水溶液で９８℃で３０分間処理し
た後のポリマの処理前後の重量変化が、１０重量％以下
のポリマをいう。The term "alkali resistance" as used herein refers to a polymer having a weight change of not more than 10% by weight before and after the treatment with 98% aqueous solution of caustic soda (solid) at 98 ° C. for 30 minutes.
【００１２】この耐アルカリ性を有し溶融紡糸可能な繊
維形成性のポリマとしては、ポリアミド、ポリブチレン
テレフタレート、ポリエチレンテレフタレート、ポリオ
レフィン、ポリスチレン、ポリプロピレン、ポリアセタ
ール、ポリカーボネート、ポリフィニレンサルファイ
ド、ポリメチルメタアクリレート等のポリマが例示でき
る。Examples of the fiber-forming polymer having alkali resistance and capable of being melt-spun include polyamide, polybutylene terephthalate, polyethylene terephthalate, polyolefin, polystyrene, polypropylene, polyacetal, polycarbonate, polyphenylene sulfide, polymethyl methacrylate and the like. Can be exemplified.
【００１３】これらのポリマの中でポリアミド系ポリマ
としては、例えばナイロン６、ナイロン６６、ナイロン
１２、共重合ナイロンなどのポリアミド系ポリマが好ま
しい。より好ましくは、通常、衣料用として用いられる
ナイロン６、ナイロン６６である。Among these polymers, polyamide-based polymers such as nylon 6, nylon 66, nylon 12, and copolymerized nylon are preferred. More preferably, they are nylon 6 and nylon 66 which are usually used for clothing.
【００１４】ポリエスエル系ポリマとしては、ポリブチ
レンテレフタレート、ポリエチレンテレフタレートが好
ましい。より好ましくは５−ナトリウムスルホイソフタ
ル酸を０．５〜６ｍｏｌ％共重合したポリエステルであ
る。さらに好ましくは５−ナトリウムスルホイソフタル
酸を０．５〜４ｍｏｌ％共重合したポリエステルであ
る。As the polystyrene polymer, polybutylene terephthalate and polyethylene terephthalate are preferred. More preferably, it is a polyester obtained by copolymerizing 0.5 to 6 mol% of 5-sodium sulfoisophthalic acid. More preferably, it is a polyester obtained by copolymerizing 0.5 to 4 mol% of 5-sodium sulfoisophthalic acid.
【００１５】なお、これらのポリマには、必要に応じ
て、例えば、艶消し剤、制電剤、消臭剤、芳香剤、吸湿
剤などの添加剤を含有せしめてもよいし、ポリエチレン
グリコール、イソタル酸等を第３成分として共重合して
もよい。These polymers may contain additives such as a matting agent, an antistatic agent, a deodorant, a fragrance, a hygroscopic agent, etc., if necessary. Isotalic acid or the like may be copolymerized as the third component.
【００１６】本発明の防透性繊維は、単糸繊度を１デニ
ール以上１０デニール以下とすることが好ましい。より
好ましくは単糸繊度を３デニール以上８デニール以下と
することである。単糸繊度が１デニール未満では、糸の
強度が低くなり、糸加工での操業性が悪化する。また単
糸繊度が１０デニールを超えると糸の柔軟が失われ衣料
用途への展開が困難なものとなる。[0016] The impermeable fiber of the present invention preferably has a single-fiber fineness of 1 denier to 10 denier. More preferably, the fineness of the single yarn is 3 denier or more and 8 denier or less. If the single-fiber fineness is less than 1 denier, the strength of the yarn becomes low, and the operability in yarn processing deteriorates. On the other hand, if the single yarn fineness exceeds 10 denier, the flexibility of the yarn is lost, and it is difficult to develop the yarn for clothing use.
【００１７】本発明の防透性繊維は単繊維内部を極細繊
維化とすることで、繊維内部を通過する光を屈折、乱反
射する境界面を単繊維内部に数多く形成することが可能
となり、繊維に高い透け防止性を付与することができ
る。むろん、単繊維内部の極細繊維層の極細繊維群のフ
ィラメント数が多い程、繊維内部の光を屈折させる境界
面が増え透け防止性は向上するが、極細繊維群のフィラ
メント数を多くすると製糸性不調が生じ易い傾向にあ
る。かかる観点から本発明の防透性繊維の単繊維内部の
極細繊維層は、３フィラメント以上９０フィラメント以
下の繊維群とすることが好ましい、より好ましくは６フ
ィラメント以上７０フィラメント以下の繊維群とするこ
とである。By making the inside of a single fiber into a fine fiber, a large number of boundary surfaces for refracting and irregularly reflecting light passing through the inside of the single fiber can be formed in the single fiber, High anti-transparency. Needless to say, as the number of filaments in the group of microfibers in the microfiber layer inside the single fiber increases, the boundary surface for refracting light inside the fiber increases and the prevention of see-through improves. There is a tendency for malfunctions to occur easily. From such a viewpoint, the ultrafine fiber layer inside the single fiber of the impermeable fiber of the present invention is preferably a fiber group of 3 to 90 filaments, more preferably a fiber group of 6 to 70 filaments. It is.
【００１８】本発明の防透性繊維の単繊維内部の極細繊
維層を構成する繊維は単糸繊度を０．０１デニール以上
１．０デニール以下とすることが好ましい。より好まし
くは０．０１デニール以上０．８デニール以下とするこ
とである。単糸繊度が０．０１デニール未満では光の屈
折効果が小さくなり好ましくない。また単糸繊度が１．
０デニールを超えると光の散乱効果が小さくなり好まし
くない。The fibers constituting the ultrafine fiber layer inside the single fiber of the impermeable fiber of the present invention preferably have a single yarn fineness of not less than 0.01 denier and not more than 1.0 denier. More preferably, it is 0.01 denier or more and 0.8 denier or less. If the single yarn fineness is less than 0.01 denier, the effect of refracting light becomes small, which is not preferable. The single yarn fineness is 1.
If it exceeds 0 denier, the light scattering effect is undesirably reduced.
【００１９】かかる本発明の防透性繊維は単繊維内部の
極細繊維層が被覆層で覆われているため仮撚加工、強ネ
ンなどの糸加工性も通常繊維と同等に行なうことができ
るのである。該被覆層は、極細繊維層を実質的に覆うこ
とが好ましく。より好ましくは極細繊維層を完全に覆う
ことである。被覆層は極細繊維層を覆っていればよく、
被覆層の厚さを特に限定するものではない。Since the ultra-fine fiber layer inside the single fiber of the present invention is covered with the coating layer, the yarn-workability of false twisting and strong yarn can be performed at the same level as ordinary fibers. is there. Preferably, the coating layer substantially covers the microfiber layer. It is more preferable to completely cover the ultrafine fiber layer. The coating layer only needs to cover the microfiber layer,
The thickness of the coating layer is not particularly limited.
【００２０】本発明の防透性繊維は、単繊維内部の極細
繊維層で防透性が発現するため織編みの外力を受け繊維
が変形しても防透性が低下することがないばかりか、極
細繊維層の持つ空気層の断熱効果で保温性、極細繊維層
の毛細管現象で吸水性を付与することができるのであ
る。The permeability-resistant fiber of the present invention exhibits permeability in the ultrafine fiber layer inside the single fiber, so that the permeability is not reduced even if the fiber is deformed by the external force of woven or knitted fabric. In addition, heat insulation can be provided by the heat insulating effect of the air layer of the ultrafine fiber layer, and water absorption can be imparted by the capillary action of the ultrafine fiber layer.
【００２１】次に本発明の防透性繊維の製造方法につい
て述べる。本発明の防透性繊維はアルカリ溶解性ポリマ
と、耐アルカリ性を有するポリマの少なくとも２成分か
らなる可細化性複合繊維であって、該可細化性複合繊維
の繊維表面を耐アルカリ性ポリマで被覆した複合繊維と
したのち、アルカリ溶解性ポリマを、アルカリ溶液で溶
解または分解除去し、単繊維内部を極細化することが好
ましい。Next, a method for producing the impermeable fiber of the present invention will be described. The impervious fiber of the present invention is a pulverizable composite fiber comprising at least two components of an alkali-soluble polymer and a polymer having alkali resistance, and the fiber surface of the pulverizable composite fiber is coated with an alkali-resistant polymer. After forming the coated conjugate fiber, it is preferable to dissolve or decompose and remove the alkali-soluble polymer with an alkali solution to make the inside of the single fiber extremely fine.
【００２２】本発明のアルカリ溶解性ポリマは溶融紡糸
可能な重合体で、アルカリで溶解または分解できる重合
体であれば何でもよく、共重合ポリエステルが適してい
るが、アルカリ処理による溶解性と製糸性の面から、好
ましくは、主たる酸成分がテレフタル酸であって、全酸
成分に対して１．５〜１５ｍｏｌ％の５−ナトリウムス
ルホイソフタル酸、および０〜４０ｍｏｌ％のイソフタ
ル酸であり、主たるジオール成分がエチレングリコール
よりなる共重合ポリエステルである。さらに好ましく
は、主たる酸成分がテレフタル酸であって、全酸成分に
対して８〜１５ｍｏｌ％の５−ナトリウムスルホイソフ
タル酸、および５〜４０ｍｏｌ％のイソフタル酸であ
り、主たるジオール成分がエチレングリコールよりなる
共重合ポリエステルとすることである。これらの重合体
は、高温の溶融紡糸に耐え、しかも弱アルカリでも容易
に溶けて、しかも低価格であるので好ましいものであ
る。The alkali-soluble polymer of the present invention is a polymer which can be melt-spun and may be any polymer which can be dissolved or decomposed with an alkali. Copolymer polyester is suitable. In view of the above, preferably, the main acid component is terephthalic acid, and 1.5 to 15 mol% of 5-sodium sulfoisophthalic acid and 0 to 40 mol% of isophthalic acid with respect to the total acid component, and the main diol is It is a copolyester whose component is ethylene glycol. More preferably, the main acid component is terephthalic acid, 8 to 15 mol% of 5-sodium sulfoisophthalic acid and 5 to 40 mol% of isophthalic acid based on the total acid component, and the main diol component is ethylene glycol. To be a copolymerized polyester. These polymers are preferable because they can withstand high-temperature melt spinning, can be easily dissolved even in a weak alkali, and are inexpensive.
【００２３】かかる本発明の防透性繊維の製造方法の１
具体例について述べる。まずアルカリ溶解性ポリマ、耐
アルカリ性ポリマを各々独立に溶融し、海成分にアルカ
リ溶解性ポリマ、極細繊維層と被覆層となる島成分に耐
アルカリ性ポリマを配置し、両者を合流せしめる際に、
繊維表層部に配置した島部において、該島部の隣接した
島部を互いに接合し繊維表面を覆うように紡糸口金の吐
出孔から吐出し複合繊維とする。得られた複合繊維の断
面の例を図１に示す。[0023] The method for producing the impermeable fiber of the present invention is as follows.
A specific example will be described. First, the alkali-soluble polymer and the alkali-resistant polymer are each independently melted, and the alkali-soluble polymer is placed in the sea component, the alkali-resistant polymer is placed in the island component serving as the ultrafine fiber layer and the coating layer, and when the two are combined,
In the island portion arranged in the fiber surface layer portion, the island portions adjacent to the island portion are joined to each other and discharged from the discharge hole of the spinneret so as to cover the fiber surface to form a composite fiber. FIG. 1 shows an example of a cross section of the obtained conjugate fiber.
【００２４】こうして紡糸口金の吐出孔より吐出された
複合繊維は高速で引取り、そのまま実用の繊維としても
よいし、また比較的低速で引取り、さらに延伸して、実
用の繊維としてもよい、このように２成分のポリマの複
合繊維とすると、海島複合繊維を形成した後、さらに繊
維外周部を被覆する方式に比べて、紡糸機設備や口金構
造が複雑化することもなく極めて生産性に優れている。The composite fiber discharged from the discharge hole of the spinneret may be taken at a high speed and used as it is as a practical fiber, or may be taken at a relatively low speed and further drawn to produce a practical fiber. When the composite fiber of the two-component polymer is used as described above, compared to the method of forming the sea-island composite fiber and further covering the outer periphery of the fiber, the productivity is extremely improved without complicating the spinning machine equipment and the die structure. Are better.
【００２５】かくして得られた複合繊維は、アルカリ溶
液で処理し、海成分のアルカリ溶解性ポリマを溶解また
は分解溶出し、繊維内部を極細繊維化することにより防
透性繊維となる。The conjugate fiber thus obtained is treated with an alkaline solution to dissolve or decompose and dissolve the alkali-soluble polymer of the sea component, thereby turning the inside of the fiber into an ultrafine fiber to become an impervious fiber.
【００２６】このように本発明によって、従来技術の問
題点が解消でき、衣料用途に適した、透け防止性、吸水
性、保温性に優れ、しかも、糸加工工程通過性の良好
な、また用途展開できる細繊度の防透性繊維が得られる
のである。As described above, according to the present invention, the problems of the prior art can be solved, and it is suitable for use in clothing, has excellent sheer prevention, water absorption, and heat retention, and has a good threading process passage property. An impervious fiber with a fineness that can be developed can be obtained.
【００２７】[0027]
【実施例】以下、実施例により本発明を詳細に説明す
る。 実施例１ アルカリ溶解性ポリマを１２ｍｏｌ％の５−ナトリウム
スルホイソフタル酸、および２５ｍｏｌ％のイソフタル
酸を共重合したポリエチレンテレフタレートとし、耐ア
ルカリ性ポリマをナイロン６とし、各成分を各々スクリ
ュー押出機で溶融（２８０℃）し、各々ギァポンプで計
量して複合口金に送り紡糸して、図１に示す断面の複合
繊維を得た。即ち、海成分をアルカリ溶解性ポリマと
し、島成分を耐アルカリ性ポリマとし、島（３６）成分
として、繊維表面に配した島（１７）成分を接合させ海
島複合繊維の繊維表面を被覆した複合断面とした。各ポ
リマの構成比は、海成分１０ｗｔ％、島成分９０ｗｔ％
とした。口金から吐出させた糸条を冷却し、１１００ｍ
／分で巻取り未延伸糸を得た後、９０℃の熱ローラを通
過させて延伸し８０デニール２４フィラメントの複合繊
維水準Ｎｏ．１を得た。The present invention will be described below in detail with reference to examples. Example 1 An alkali-soluble polymer was polyethylene terephthalate copolymerized with 12 mol% of 5-sodium sulfoisophthalic acid and 25 mol% of isophthalic acid, an alkali-resistant polymer was nylon 6, and each component was melted with a screw extruder. 280 ° C.), weighed each with a gear pump, fed to a composite die and spun to obtain a composite fiber having a cross section shown in FIG. That is, a composite section in which the sea component is an alkali-soluble polymer, the island component is an alkali-resistant polymer, the island (36) component is an island (17) component disposed on the fiber surface, and the fiber surface of the sea-island composite fiber is joined. And The composition ratio of each polymer is 10 wt% for sea component and 90 wt% for island component.
And Cool the yarn discharged from the die, 1100m
/ Min, to obtain a wound undrawn yarn, then pass through a heat roller at 90 ° C. and draw the same to obtain a composite fiber of No. 80 denier and 24 filaments. 1 was obtained.
【００２８】この複合繊維を、筒編みにして、助剤とし
て、ＮａＯＨ５重量％、界面活性剤２ｇ／ｌを入れ、９
８℃、６０分間のアルカリ処理を行った。その後十分水
洗いし、１００℃で乾燥した。このアルカリ処理による
重量変化は、処理前に対して１０重量％の減少であっ
た。また繊維断面を観察すると単繊維内部に１９本の極
細繊維が形成されていた。The composite fiber was knitted in a tube, and 5% by weight of NaOH and 2 g / l of a surfactant were added as auxiliary agents.
An alkali treatment was performed at 8 ° C. for 60 minutes. Thereafter, it was thoroughly washed with water and dried at 100 ° C. The change in weight due to the alkali treatment was reduced by 10% by weight as compared to before the treatment. When the cross section of the fiber was observed, 19 ultrafine fibers were formed inside the single fiber.
【００２９】かくして得られた加工品は、防透性に優
れ、かつ保温性、吸水性の良好なものであった。The processed product thus obtained was excellent in permeability and excellent in heat retention and water absorption.
【００３０】実施例１に準じて、表１に示す単糸繊度の
複合繊維水準Ｎｏ．２〜４を得た後、アルカリ処理を行
ない防透性繊維とし検討した結果を表１に示す。According to Example 1, the composite fiber level No. of the single yarn fineness shown in Table 1 was obtained. After obtaining 2 to 4, alkali treatment was carried out to obtain a permeable fiber. The results are shown in Table 1.
【００３１】得られた加工品は、いずれも防透性に優
れ、かつ保温性、吸水性の良好なものであった。The obtained processed products were all excellent in permeability and excellent in heat retention and water absorption.
【００３２】比較例１ 海成分と島成分の吐出量、各ポリマの構成比および島数
を変更し、他の条件は水準Ｎｏ．１に準じて、表１に示
す単糸繊度の複合繊維を得た後、アルカリ処理を行ない
防透性繊維とし検討した結果を表１に示す。Comparative Example 1 The discharge amounts of the sea component and the island component, the composition ratio of each polymer and the number of islands were changed. Table 1 shows the results obtained by obtaining composite fibers having the single-fiber fineness shown in Table 1 according to Example 1 and then treating them with an alkali treatment to obtain permeable fibers.
【００３３】水準Ｎｏ．５は、防透性に劣るとともに、
糸強度が低く高次加工性が不良なものであった。Level No. 5 is inferior in permeability,
The yarn strength was low and the high order workability was poor.
【００３４】水準Ｎｏ．６は、防透性に劣るとともに、
糸に柔軟性が乏しく衣料用途に不適当なものであった。Level No. 6 is inferior in permeability,
The yarn had poor flexibility and was unsuitable for clothing use.
【００３５】実施例２ 実施例１水準Ｎｏ．１に準じ、海成分のアルカリ溶解性
ポリマとして表２に示すポリマ組成で複合繊維を得た
後、アルカリ処理を行ない防透性繊維とし検討した結果
を表２に示す。Embodiment 2 Embodiment 1 Table 2 shows the results obtained by obtaining composite fibers having the polymer composition shown in Table 2 as the alkali-soluble polymer of the sea component in accordance with Example 1 and then treating them with alkali treatment to make them permeable fibers.
【００３６】得られた加工品は、いずれも防透性に優
れ、かつ保温性、吸水性の良好なものであった。The obtained processed products were all excellent in permeability and excellent in heat retention and water absorption.
【００３７】水準Ｎｏ．１２は、単繊維内部の極細繊維
化処理に長時間を必要とし、生産性の劣るものであったLevel No. No. 12 required a long time for the ultrafine fiber treatment inside the single fiber and was inferior in productivity.
【表１】 [Table 1]
【表２】 [Table 2]
【００３８】[0038]
【発明の効果】本発明による防透性繊維は、細繊度で、
透け防止性、吸水性、保温性に優れ、しかも仮撚や強ネ
ンなどの糸加工工程通過性が良好で、紡糸機設備、紡糸
口金構造が簡便で極めて生産性に優れている。The impermeable fiber according to the present invention has a fineness,
It has excellent see-through prevention, water absorption, and heat retention properties, and has good passability in yarn processing steps such as false twisting and strong yarn. The spinning machine equipment and spinneret structure are simple and extremely excellent in productivity.
【図１】本発明にかかる防透性繊維の１具体例を示す横
断面図。FIG. 1 is a cross-sectional view showing one specific example of an impermeable fiber according to the present invention.
Ａ：耐アルカリ性ポリマ A: Alkali resistant polymer
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｄ０１Ｆ 8/14 Ｄ０１Ｆ 8/14 Ｂ Ｃ ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code Agency reference number FI Technical display location D01F 8/14 D01F 8/14 BC
Claims (8)
ール以上１０デニール以下の繊維であって、該単繊維が
極細繊維層と被覆層からなることを特徴とする防透性繊
維。1. An impervious fiber comprising a thermoplastic polymer and having a single-fiber fineness of 1 denier to 10 denier, wherein the single fiber comprises an ultrafine fiber layer and a coating layer.
ト以上９０フィラメント以下の繊維群であることを特徴
とする請求項１記載の防透性繊維。2. The impervious fiber according to claim 1, wherein the ultrafine fiber layer inside the single fiber is a fiber group of 3 filaments or more and 90 filaments or less.
ニール以上１．０デニール以下であることを特徴とする
請求項１または２記載の防透性繊維。3. The impervious fiber according to claim 1, wherein the fibers of the ultrafine fiber layer have a single yarn fineness of 0.01 denier or more and 1.0 denier or less.
あることを特徴とする請求項１〜３のいずれか１項記載
の防透性繊維。4. The impervious fiber according to claim 1, wherein the thermoplastic polymer is a polyamide-based polymer.
イソフタル酸を０．５〜６ｍｏｌ％共重合したポリエス
テルであることを特徴とする請求項１〜３のいずれか１
項記載の防透性繊維。5. The method according to claim 1, wherein the thermoplastic polymer is a polyester obtained by copolymerizing 0.5 to 6 mol% of 5-sodium sulfoisophthalic acid.
Item 10. The impermeable fiber according to item 1.
ルカリ性を有するポリマの少なくとも２成分からなる可
細化性複合繊維であって、該可細化性複合繊維表面を耐
アルカリ性ポリマで被覆した複合繊維としたのち、アル
カリ溶液で処理し、アルカリ溶解性ポリマを溶解または
分解除去し、該可細化性複合繊維内部を極細化すること
を特徴とする請求項１〜５のいずれか１項記載の防透性
繊維の製造方法。6. A sliver composite fiber comprising at least two components of a polymer having alkali solubility and a polymer having alkali resistance, wherein the surface of the sliver composite fiber is coated with an alkali-resistant polymer. 6. The fiber according to claim 1, wherein the fiber is treated with an alkali solution to dissolve or decompose the alkali-soluble polymer, and to ultrafine the inside of the miniaturized composite fiber. A method for producing an impervious fiber.
成分を耐アルカリ性を有するポリマとした海島複合繊維
において、該海島複合繊維の繊維表面に配した島成分を
接合して該海島複合繊を被覆した複合繊維としたのち、
アルカリ水溶液で処理し、海成分のアルカリ溶解性ポリ
マを溶解または分解溶出し、繊維内部を極細繊維化する
ことを特徴とする請求項１〜５のいずれか１項記載の防
透性繊維の製造方法。7. A sea-island composite fiber wherein the sea component is an alkali-soluble polymer and the island component is a polymer having alkali resistance, the island component disposed on the fiber surface of the sea-island composite fiber is joined to form the sea-island composite fiber. After the coated conjugate fiber,
The process for producing a water-permeable fiber according to any one of claims 1 to 5, wherein the fiber is treated with an aqueous alkali solution to dissolve or decompose and dissolve the alkali-soluble polymer of the sea component to make the inside of the fiber ultrafine. Method.
とエチレングリコールとを主たる構成成分とし、全酸成
分に対して１．５〜１５ｍｏｌ％の５−ナトリウムスル
ホイソフタル酸、および０〜４０ｍｏｌ％のイソフタル
酸であり、主たるジオール成分がエチレングリコールよ
りなる共重合ポリエステルであることを特徴とする請求
項６または７項記載の防透性繊維の製造方法。8. An alkali-soluble polymer comprising terephthalic acid and ethylene glycol as main components, 1.5 to 15 mol% of 5-sodium sulfoisophthalic acid and 0 to 40 mol% of isophthalic acid based on the total acid component. The method for producing an impervious fiber according to claim 6 or 7, wherein the method is an acid and the main diol component is a copolymerized polyester comprising ethylene glycol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19455496A JPH1037065A (en) | 1996-07-24 | 1996-07-24 | See-through proofing fiber and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19455496A JPH1037065A (en) | 1996-07-24 | 1996-07-24 | See-through proofing fiber and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1037065A true JPH1037065A (en) | 1998-02-10 |
Family
ID=16326468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19455496A Pending JPH1037065A (en) | 1996-07-24 | 1996-07-24 | See-through proofing fiber and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1037065A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008001924A1 (en) * | 2006-06-29 | 2008-01-03 | Polyplastics Co., Ltd. | Process for production of polyoxymethylene resin fibers |
| JP2014210989A (en) * | 2013-04-18 | 2014-11-13 | 帝人株式会社 | Fine-denier modified cross-section hollow staple fiber, spun yarn using the same, woven or knitted fabric, and production method for fine-denier modified cross-section hollow fiber |
| JP2014210990A (en) * | 2013-04-18 | 2014-11-13 | 帝人株式会社 | Fine-denier porous hollow staple fiber, spun yarn using the same, woven or knitted fabric, and production method for fine-denier porous hollow fiber |
| CN116219557A (en) * | 2022-12-26 | 2023-06-06 | 浙江聚元新材料股份有限公司 | A high moisture absorption modification device for polyester fiber |
-
1996
- 1996-07-24 JP JP19455496A patent/JPH1037065A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008001924A1 (en) * | 2006-06-29 | 2008-01-03 | Polyplastics Co., Ltd. | Process for production of polyoxymethylene resin fibers |
| JP2008007892A (en) * | 2006-06-29 | 2008-01-17 | Polyplastics Co | Method for producing polyoxymethylene resin fiber |
| JP2014210989A (en) * | 2013-04-18 | 2014-11-13 | 帝人株式会社 | Fine-denier modified cross-section hollow staple fiber, spun yarn using the same, woven or knitted fabric, and production method for fine-denier modified cross-section hollow fiber |
| JP2014210990A (en) * | 2013-04-18 | 2014-11-13 | 帝人株式会社 | Fine-denier porous hollow staple fiber, spun yarn using the same, woven or knitted fabric, and production method for fine-denier porous hollow fiber |
| CN116219557A (en) * | 2022-12-26 | 2023-06-06 | 浙江聚元新材料股份有限公司 | A high moisture absorption modification device for polyester fiber |
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