JP2015145554A - Heat retaining knitted fabric - Google Patents
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Abstract
Description
本発明は、肌着、インナー等に用いられる保温性能の高い保温性編地及びその製造方法に関する。 The present invention relates to a heat-retaining knitted fabric with high heat-retaining performance used for underwear, innerwear, and the like, and a method for producing the same.
従来より衣服の保温性を高めるための提案が種々なされている。例えば、熱収縮率の異なる繊維を組み合わせた複合糸を用いることにより、布帛内部に静止空気層を含む構造を構成して保温性を高めることが提案されている（特許文献１）。 There have been various proposals for improving the heat retention of clothes. For example, it has been proposed to use a composite yarn in which fibers having different heat shrinkage rates are combined to form a structure including a still air layer inside the fabric to improve heat retention (Patent Document 1).
また、熱収縮性繊維と自発伸長性中空繊維の混繊糸とし、より空気層を含むようにする提案（特許文献２）、Ｃ字型の異形断面繊維を用い、空気層を多くして保温性を高める提案（特許文献３）がなされている。その他にも海島型複合繊維の島部分を溶出除去して得た多孔型中空繊維を用い空気層を形成する提案（特許文献４）、ポリビニルアルコール繊維混の紡績糸とした後、ポリビニルアルコール繊維を溶解除去して空気層を形成する提案（特許文献５）がなされている。 In addition, a proposal to make a mixed fiber of heat-shrinkable fibers and spontaneously stretchable hollow fibers and further include an air layer (Patent Document 2), using C-shaped irregular cross-section fibers, increasing the air layer and keeping warm The proposal (patent document 3) which raises property is made. In addition, a proposal to form an air layer using porous hollow fibers obtained by eluting and removing island portions of sea-island type composite fibers (Patent Document 4), and after making a spun yarn mixed with polyvinyl alcohol fibers, The proposal (patent document 5) which forms by dissolving and removing and forming an air layer is made.
さらには、太陽光吸収蓄熱繊維を用い、太陽光エネルギーを利用して蓄熱保温性を高める提案（特許文献６）、赤外線吸収剤を含ませた織編物により蓄熱保温性を高める提案（特許文献７）がなされている。 Furthermore, the proposal which uses solar energy absorption heat storage fiber and raises heat storage heat retention using solar energy (patent document 6), the proposal which raises heat storage heat retention by the woven / knitted fabric containing the infrared absorber (patent document 7) ) Has been made.
本発明の目的は、従来の繊維内部或いは布帛内部に空気層を形成して保温性を高める方法或いは提案をさらに改良発展させ、薄くて軽くて保温性能の高い保温性編地を提供することにある。 An object of the present invention is to further improve and develop a conventional method or proposal for improving heat retention by forming an air layer inside a fiber or fabric, and to provide a heat-retaining knitted fabric that is thin and light and has high heat retention performance. is there.
本発明の第1の要旨は、アクリル繊維紡績糸及びポリプロピレンマルチフィラメント糸を含み、編地表面にアクリル繊維紡績糸が配され、編地裏面にポリプロピレンマルチフィラメント糸が配された編地であって、アクリル繊維紡績糸を構成する短繊維が単繊維繊度０．５〜１．３ｄｔｅｘ、ポリプロピレンマルチフィラメント糸が単繊維繊度１．１〜２．３ｄｔｅｘ、フィラメント数３０〜５０であり、編地の目付が１３０〜１８０ｇ／ｍ２、布厚が０．６〜１．０ｍｍであり、ｃｌｏ値が０．２５以上である保温性編地にある。
本発明の第２の要旨は、アクリル繊維紡績糸及びポリプロピレンマルチフィラメント糸を含み、編地表面にアクリル繊維紡績糸が配され、編地裏面にポリプロピレンマルチフィラメント糸が配された編地であって、アクリル繊維紡績糸を構成する短繊維が単繊維繊度０．５〜１．３ｄｔｅｘ、ポリプロピレンマルチフィラメント糸が単繊維繊度１．１〜２．３ｄｔｅｘ、フィラメント数３０〜５０であり、編地の目付が１３０〜１８０ｇ／ｍ２、布厚が０．６〜１．０ｍｍであり、編地全体に対するアクリル繊維紡績糸の混率が６０質量％以上である保温性編地にある。
本発明の第３の要旨は、アクリル繊維紡績糸及びポリプロピレンマルチフィラメント糸を含み、編地表面にアクリル繊維紡績糸が配され、編地裏面にポリプロピレンマルチフィラメント糸が配された編地であって、アクリル繊維紡績糸を構成する短繊維が単繊維繊度０．５〜１．３ｄｔｅｘ、ポリプロピレンマルチフィラメント糸が単繊維繊度１．１〜２．３ｄｔｅｘ、フィラメント数３０〜５０であり、編地の目付が１３０〜１８０ｇ／ｍ２、布厚が０．６〜１．０ｍｍであり、ｃｌｏ値が０．２５以上であり、かつ、編地全体に対するアクリル繊維紡績糸の混率が６０質量％以上である保温性編地にある。
The first gist of the present invention is a knitted fabric including acrylic fiber spun yarn and polypropylene multifilament yarn, wherein the acrylic fiber spun yarn is arranged on the surface of the knitted fabric, and the polypropylene multifilament yarn is arranged on the back of the knitted fabric. The short fibers constituting the acrylic fiber spun yarn have a single fiber fineness of 0.5 to 1.3 dtex, the polypropylene multifilament yarn has a single fiber fineness of 1.1 to 2.3 dtex, and the number of filaments of 30 to 50. Is 130-180 g / m 2 , the cloth thickness is 0.6-1.0 mm, and the clo value is 0.25 or more.
The second gist of the present invention is a knitted fabric including acrylic fiber spun yarn and polypropylene multifilament yarn, wherein the acrylic fiber spun yarn is arranged on the surface of the knitted fabric, and the polypropylene multifilament yarn is arranged on the back of the knitted fabric. The short fibers constituting the acrylic fiber spun yarn have a single fiber fineness of 0.5 to 1.3 dtex, the polypropylene multifilament yarn has a single fiber fineness of 1.1 to 2.3 dtex, and the number of filaments of 30 to 50. 130 to 180 g / m 2 , the fabric thickness is 0.6 to 1.0 mm, and the blend ratio of the acrylic fiber spun yarn to the entire knitted fabric is 60% by mass or more.
A third aspect of the present invention is a knitted fabric including acrylic fiber spun yarn and polypropylene multifilament yarn, wherein the acrylic fiber spun yarn is disposed on the surface of the knitted fabric, and the polypropylene multifilament yarn is disposed on the back surface of the knitted fabric. The short fibers constituting the acrylic fiber spun yarn have a single fiber fineness of 0.5 to 1.3 dtex, the polypropylene multifilament yarn has a single fiber fineness of 1.1 to 2.3 dtex, and the number of filaments of 30 to 50. Is 130 to 180 g / m 2 , the fabric thickness is 0.6 to 1.0 mm, the clo value is 0.25 or more, and the mixing ratio of the acrylic fiber spun yarn to the entire knitted fabric is 60% by mass or more. It is in a warm knitted fabric.
本発明によれば、本発明の保温性編地は、アクリル繊維紡績糸とポリプロピレンマルチフィラメント糸を構成糸として含む編地であり、編地を構成する繊維間に多くの空気層を含ませることにより、薄地の編地でありながら高い保温性を有するものであり、肌着、インナー等に好適な素材を提供することができ、ポリウレタン弾性糸を編地の構成糸として含むときは、より高いストレッチ性を、さらにアクリル繊維紡績糸に芯部にカーボンブラック含有の芯鞘型アクリル複合繊維を含有させるときは、より高い保温性能を有するものとなる。 According to the present invention, the heat-retaining knitted fabric of the present invention is a knitted fabric including acrylic fiber spun yarn and polypropylene multifilament yarn as constituent yarns, and includes many air layers between the fibers constituting the knitted fabric. By this, it is a thin knitted fabric and has high heat retention, can provide a material suitable for underwear, inner, etc., and when polyurethane elastic yarn is included as a constituent yarn of the knitted fabric, higher stretch When the acrylic fiber spun yarn further contains a core-sheath type acrylic composite fiber containing carbon black in the core part, it has higher heat retention performance.
以下、本発明の実施の形態について、詳細に説明する。
本発明において、編地を構成するアクリル繊維紡績糸は、アクリル繊維の短繊維を紡績してなるものである。紡績糸に用いるアクリル繊維は、好ましくはアクリロニトリルを９０質量％以上含む、アクリロニトリルと、アクリロニトリルと共重合可能な不飽和単量体との共重合体であるアクリロニトリル系ポリマーを、公知の紡糸法によって紡糸して得られ、紡績可能な一定の或いはバリアブルの繊維長にカットし短繊維とする。
Hereinafter, embodiments of the present invention will be described in detail.
In the present invention, the acrylic fiber spun yarn constituting the knitted fabric is obtained by spinning short fibers of acrylic fiber. The acrylic fiber used for the spun yarn is preferably prepared by spinning an acrylonitrile-based polymer, which is a copolymer of acrylonitrile and an unsaturated monomer copolymerizable with acrylonitrile, containing 90% by mass or more of acrylonitrile by a known spinning method. The fiber is cut into a certain or variable fiber length that can be spun and made into short fibers.
アクリロニトリルと共重合可能な不飽和単量体としては、特に限定されないが、例えば、アクリル酸、メタクリル酸、酢酸ビニル、アクリルアミド、メタクリルアミド、塩化ビニル、塩化ビニリデン、ビニルベンゼンスルホン酸ナトリウム、メタクリルスルホン酸ナトリウム、アクリルアミドメチルスルホン酸ナトリウム等が挙げられる。 The unsaturated monomer copolymerizable with acrylonitrile is not particularly limited. For example, acrylic acid, methacrylic acid, vinyl acetate, acrylamide, methacrylamide, vinyl chloride, vinylidene chloride, sodium vinylbenzenesulfonate, methacrylsulfonic acid Examples thereof include sodium and sodium acrylamidomethylsulfonate.
また、アクリル繊維は、カーボンブラックを含有するアクリル繊維、好ましくは芯部にカーボンブラックを含有する芯鞘型アクリル複合繊維がアクリル繊維紡績糸の構成に含まれていてもよく、かかるカーボンブラック含有芯鞘型アクリル複合繊維が混用された紡績糸を用いた場合は、発熱機能が編地に付与され保温効果が増すだけでなく、静電気の発生を抑止できる。 The acrylic fiber may contain an acrylic fiber containing carbon black, preferably a core-sheath type acrylic composite fiber containing carbon black in the core part, in the configuration of the acrylic fiber spun yarn. When the spun yarn mixed with the sheath-type acrylic composite fiber is used, not only the heat generation function is imparted to the knitted fabric and the heat retaining effect is increased, but also the generation of static electricity can be suppressed.
本発明において、編地を構成するアクリル繊維紡績糸でのアクリル繊維短繊維は、単繊維繊度が０．５〜１．３ｄｔｅｘであることが必要である。アクリル繊維短繊維の単繊維繊度が０．５〜１．３ｄｔｅｘの範囲にあることにより、薄い編地を得るために必要な細い、所謂、毛番手で１／８０、１／１００等の細番手の紡績糸を得ることが容易になり、また紡績糸を構成する短繊維本数を多くすることもでき糸物性の維持も容易になる。さらにアクリル繊維短繊維の単繊維繊度が０．５〜１．３ｄｔｅｘであることによって編地の外観品位が低下せず商品価値を劣らせることもない。 In the present invention, the acrylic fiber short fiber in the acrylic fiber spun yarn constituting the knitted fabric needs to have a single fiber fineness of 0.5 to 1.3 dtex. When the single fiber fineness of the acrylic fiber short fibers is in the range of 0.5 to 1.3 dtex, the fineness necessary to obtain a thin knitted fabric, the so-called hair count, 1/80, 1/100, etc. The spun yarn can be easily obtained, and the number of short fibers constituting the spun yarn can be increased, so that the physical properties of the yarn can be easily maintained. Furthermore, when the single fiber fineness of the acrylic short fibers is 0.5 to 1.3 dtex, the appearance quality of the knitted fabric is not deteriorated and the commercial value is not deteriorated.
本発明におけるアクリル繊維紡績糸は、単繊維繊度が０．５〜１．３ｄｔｅｘのアクリル繊維短繊維を主体とし、公知の紡績方式により紡績された紡績糸であり、必要により異繊度のアクリル繊維、他の合成繊維或いは天然繊維との混紡した紡績糸であってもよいが、単繊維繊度が０．５〜１．３ｄｔｅｘのアクリル繊維短繊維は８０質量％以上含まれることが好ましい。 The acrylic fiber spun yarn in the present invention is a spun yarn mainly spun by an acrylic fiber short fiber having a single fiber fineness of 0.5 to 1.3 dtex and spun by a known spinning method, and if necessary, an acrylic fiber having a different fineness, Although spun yarns blended with other synthetic fibers or natural fibers may be used, it is preferable that 80% by mass or more of acrylic fiber short fibers having a single fiber fineness of 0.5 to 1.3 dtex are included.
前記のカーボンブラック含有芯鞘型アクリル複合繊維を混紡する場合は、紡績糸中にカーボンブラック含有芯鞘型アクリル複合繊維を２〜２０質量％を含むアクリル繊維紡績糸とするのが好ましく、また編地全体にカーボンブラック含有芯鞘型アクリル複合繊維が２〜１０質量％含まれている構成とすることが好ましい。 When blending the carbon black-containing core-sheath acrylic composite fiber, it is preferable to use an acrylic fiber spun yarn containing 2-20% by mass of the carbon black-containing core-sheath acrylic composite fiber in the spun yarn. It is preferable that 2 to 10% by mass of the carbon black-containing core-sheath acrylic composite fiber is contained in the entire ground.
また、本発明において、編地を構成するポリプロピレンマルチフィラメント糸は、ポリプロピレン樹脂を公知の溶融紡糸法によって紡糸して得られるマルチフィラメント糸である。紡糸に用いるポリプロピレン樹脂は、特に制限はなく、繊維物性を損なわない範囲で、着色剤、蛍光増白剤、艶消剤、帯電防止剤、難燃剤、抗菌剤、消臭剤、光安定剤等の添加剤が配合されていてもよい。 In the present invention, the polypropylene multifilament yarn constituting the knitted fabric is a multifilament yarn obtained by spinning a polypropylene resin by a known melt spinning method. There are no particular restrictions on the polypropylene resin used for spinning, and colorants, fluorescent whitening agents, matting agents, antistatic agents, flame retardants, antibacterial agents, deodorants, light stabilizers, etc., as long as the fiber properties are not impaired. These additives may be blended.
本発明においては、ポリプロピレンマルチフィラメント糸は、単繊維繊度１．１〜２．３ｄｔｅｘ、フィラメント数３０〜５０であることが必要である。ポリプロピレンマルチフィラメント糸の単繊維繊度が１．１ｄｔｅｘ未満、或いはフィラメント数が３０未満の場合は、マルチフィラメント糸としての取り扱い、編成が困難となり、またコストも高くなる。ポリプロピレンマルチフィラメント糸の単繊維繊度が２．３ｄｔｅｘを超える、或いはフィラメント数が５０を超える場合は、マルチフィラメント糸としての糸繊度が太くなるため目付の低い薄い編地を得ることが困難となる。 In the present invention, the polypropylene multifilament yarn needs to have a single fiber fineness of 1.1 to 2.3 dtex and a filament count of 30 to 50. When the single fiber fineness of the polypropylene multifilament yarn is less than 1.1 dtex or the number of filaments is less than 30, handling and knitting as a multifilament yarn becomes difficult, and the cost increases. When the single fiber fineness of the polypropylene multifilament yarn exceeds 2.3 dtex or the number of filaments exceeds 50, it becomes difficult to obtain a thin knitted fabric with a low basis weight because the yarn fineness as the multifilament yarn becomes thick.
また、ポリプロピレンマルチフィラメント糸は、単繊維の繊維断面形状には特に制限はなく、円形断面、三角等の異形断面、中空断面等のいずれの断面形状であってもよい。ポリプロピレンマルチフィラメント糸は、比重が軽く嵩高であるため、繊度が太くなり過ぎると編地の布厚が増すことから、糸繊度が８４ｄｔｅｘ以下であることが好ましく、また、仮撚加工されていてもよく、ポリプロピレン仮撚加工糸は、空気層の形成が多くなることから、好ましいポリプロピレンマルチフィラメント糸の糸形態である。 In addition, the cross-sectional shape of the single fiber of the polypropylene multifilament yarn is not particularly limited, and may be any cross-sectional shape such as a circular cross-section, an irregular cross-section such as a triangle, and a hollow cross-section. Polypropylene multifilament yarns are light and bulky, and if the fineness becomes too thick, the fabric thickness of the knitted fabric increases. Therefore, the yarn fineness is preferably 84 dtex or less, and even if false twisting is performed Well, polypropylene false twisted yarn is a preferred form of polypropylene multifilament yarn because it forms more air layers.
本発明においては、アクリル繊維紡績糸、ポリプロピレンマルチフィラメント糸を編地の構成糸とし、編地全体としてアクリル繊維紡績糸の混率が６０質量％以上、ポリプロピレンマルチフィラメント糸の混率が３０質量％以上であることが保温性と軽量感のバランスを取るうえで好ましく、その他に風合いの改良等から綿等の天然繊維、レーヨン等の再生セルロース繊維、アセテート繊維等の半合成繊維、ポリウレタン繊維等の弾性繊維を構成糸として混用することもできる。 In the present invention, acrylic fiber spun yarn and polypropylene multifilament yarn are used as the constituent yarn of the knitted fabric, and the mixture ratio of the acrylic fiber spun yarn is 60% by mass or more and the polypropylene multifilament yarn is 30% by mass or more in the entire knitted fabric It is preferable to balance heat retention and lightness, and in addition to improving texture, natural fibers such as cotton, regenerated cellulose fibers such as rayon, semi-synthetic fibers such as acetate fibers, and elastic fibers such as polyurethane fibers Can be mixed as a constituent yarn.
本発明の保温性編地は、編地表面にアクリル繊維紡績糸が配され、編地裏面にポリプロピレンマルチフィラメント糸が配された編地である。 The heat-retaining knitted fabric of the present invention is a knitted fabric in which acrylic fiber spun yarn is disposed on the knitted fabric surface and polypropylene multifilament yarn is disposed on the back surface of the knitted fabric.
編地の編組織としては特に限定はないが、薄い編地を得るためには、スムース、フライス、天竺等のフラットな編組織とすることが好ましい。また、編地表面にアクリル繊維紡績糸を配し、編地裏面にポリプロピレンマルチフィラメント糸を配するためには、例えばダイヤル側にアクリル繊維紡績糸を供給し、シリンダー側にポリプロピレンマルチフィラメント糸を供給して、リバーシブル組織や袋編組織等の２重組織に編成する、アクリル繊維紡績糸とポリプロピレンマルチフィラメント糸の給糸張力に差をつけて天竺組織に編成する等で行う。また、裏面の構成として、アクリル繊維紡績糸とポリプロピレンマルチフィラメント糸を１：１の交互に交編してもよく、また風合いの改良等から天然繊維等を交編してもよい。 There is no particular limitation on the knitting structure of the knitted fabric, but in order to obtain a thin knitted fabric, it is preferable to use a flat knitted structure such as smooth, milled, tengu. In order to place acrylic fiber spun yarn on the knitted fabric surface and polypropylene multifilament yarn on the back of the knitted fabric, for example, supply acrylic fiber spun yarn on the dial side and polypropylene multifilament yarn on the cylinder side. Then, a double structure such as a reversible structure or a bag knitted structure is knitted, and a knitted fabric is knitted into a tense structure with a difference in yarn feeding tension between acrylic fiber spun yarn and polypropylene multifilament yarn. In addition, as the configuration of the back surface, acrylic fiber spun yarn and polypropylene multifilament yarn may be alternately knitted 1: 1, or natural fibers may be knitted to improve the texture.
本発明の保温性編地は、目付が１３０〜１８０ｇ／ｍ２、布厚が０．６〜１．０ｍｍであることを要件として備え、特定の単繊維繊度アクリル繊維紡績糸及びポリプロピレンマルチフィラメント糸からなる構成糸により、目付が１３０〜１８０ｇ／ｍ２、布厚が０．６〜１．０ｍｍの範囲に編成することによって、編地の破裂強度を十分に保持しながら、薄くて軽い編地を得ることができる。 The heat-retaining knitted fabric of the present invention is provided with the requirements that the basis weight is 130 to 180 g / m 2 and the fabric thickness is 0.6 to 1.0 mm, and a specific single fiber fineness acrylic fiber spun yarn and polypropylene multifilament yarn A knitted fabric that is thin and light while sufficiently maintaining the bursting strength of the knitted fabric by knitting the fabric with a fabric weight of 130 to 180 g / m 2 and a fabric thickness of 0.6 to 1.0 mm. Can be obtained.
本発明において、次の保温性の評価方法でのｃｌｏ値で示すと、本発明の編地は、ｃｌｏ値が０．２５以上であり、ｃｌｏ値が０．２５未満では、保温性能が不十分であり、保温性のある肌着、インナーの用途としては不適なるものである。編地が十分な保温性能を有するといえるためには、ｃｌｏ値が０．３０以上であることがより望ましい。 In the present invention, the knitted fabric of the present invention has a clo value of 0.25 or more, and the clo value is less than 0.25, the heat insulation performance is insufficient. Therefore, it is unsuitable for use as an underwear with warmth and an inner. In order to say that the knitted fabric has sufficient heat retention performance, it is more desirable that the clo value is 0.30 or more.
本発明におけるｃｌｏ（クロー）値は、ＧａｇｇｅＡ．Ｐ、ＢａｒｔｏｎＡ．Ｌらによって提案された保温性の評価手法による指数であって、１ｃｌｏは、気温２１℃、湿度５０％以下、風速５ｃｍ／秒の室内で椅子に座っている人の皮膚温を平均３３℃に保つのに必要な断熱性であると定義している。実際の評価方法は、４０℃の高温側恒温体と２０℃の低温側恒温体の２枚の恒温体の間にサンプルを挟み、定常状態となるまで待ってから、高温側恒温体から低温側恒温体に流れる熱流量Ｂ（ｋｃａｌ／ｍ２×ｈｒ）を測定し、下記式にてｃｌｏ値（℃×ｈｒ／ｋｃａｌ）を算出する。 The clo value in the present invention is GageA. P, Barton A.M. An index based on the thermal insulation evaluation method proposed by L et al., 1 clo is the average skin temperature of a person sitting on a chair in a room with an air temperature of 21 ° C., a humidity of 50% or less, and a wind speed of 5 cm / sec. It is defined as the thermal insulation necessary to maintain. The actual evaluation method is that a sample is sandwiched between two constant temperature bodies of a high temperature side constant temperature body of 40 ° C. and a low temperature side constant temperature body of 20 ° C., and waits until a steady state is reached. The heat flow B (kcal / m 2 × hr) flowing through the thermostat is measured, and the clo value (° C. × hr / kcal) is calculated by the following equation.
ｃｌｏ値（℃×ｈｒ／ｋｃａｌ）＝［４０（℃）−２０（℃）］／［０．１８×Ｂ］ clo value (° C. × hr / kcal) = [40 (° C.) − 20 (° C.)] / [0.18 × B]
以下、本発明を実施例により具体的に説明する。なお、実施例中の各評価項目は以下の方法に拠った。 Hereinafter, the present invention will be specifically described by way of examples. In addition, each evaluation item in an Example was based on the following method.
（編地の目付）
ＪＩＳ Ｌ１０１８ ８．４．２の方法により測定した。
（編地の布厚）
ＪＩＳ Ｌ１０１８ ８．５．１の方法（加圧０．７ｋＰａ）により測定した。
(Weight of knitted fabric)
It was measured by the method of JIS L1018 8.4.2.
(Knitted fabric thickness)
It was measured by the method of JIS L1018 8.5.1 (pressure 0.7 kPa).
（保温性・軽量感）
被験者１０人にサンプルを着用してもらい、以下の判定で評価した。
◎：被験者１０人全員が満足
○：被験者６人以上が満足
△：満足した被験者が５人以下
(Heat retention and light weight)
Ten subjects were asked to wear the samples and evaluated by the following judgment.
A: All 10 subjects are satisfied
○: Six or more subjects are satisfied
Δ: 5 or less satisfied subjects
（実施例１）
アクリル繊維短繊維（三菱レイヨン社製、単繊維繊度０．８ｄｔｅｘ、繊維長５１ｍｍ）と、芯部にカーボンブラック含有の芯鞘型アクリル複合繊維（三菱レイヨン社製、単繊維繊度３．３ｄｔｅｘ、繊維長５１ｍｍ）を、アクリル繊維短繊維９６質量部、カーボンブラック含有芯鞘型アクリル複合繊維４質量部の割合で混紡して毛番手１／８０のアクリル繊維紡績糸を作成した。得られたアクリル繊維紡績糸とポリプロピレンマルチフィラメント仮撚加工糸（三菱レイヨン社製、５６ｄｔｅｘ／３０フィラメント（ｆ）、単繊維繊度１．８７ｄｔｅｘ）を用い、編機として２１ゲージ丸編機（２重編機）を用い、アクリル繊維紡績糸をダイヤル側に供給し、ポリプロピレン仮撚加工糸をシリンダー側に供給してスムース組織でアクリル繊維６６．２質量％、カーボンブラック含有芯鞘型アクリル複合繊維２．８質量％、ポリプロピレンマルチフィラメント３１質量％の編地構成に編成して編地とした。
Example 1
Acrylic fiber short fiber (Mitsubishi Rayon, single fiber fineness 0.8dtex, fiber length 51mm) and core-sheathed acrylic composite fiber containing carbon black in the core (Mitsubishi Rayon, single fiber fineness 3.3dtex, fiber) 51 mm long) was blended at a ratio of 96 parts by mass of acrylic fiber short fibers and 4 parts by mass of carbon black-containing core-sheath type acrylic composite fiber to produce 1/80 acrylic fiber spun yarn. Using the obtained acrylic fiber spun yarn and polypropylene multifilament false twisted yarn (manufactured by Mitsubishi Rayon Co., Ltd., 56 dtex / 30 filament (f), single fiber fineness 1.87 dtex), a 21 gauge circular knitting machine (double knitting machine) Knitting machine), acrylic fiber spun yarn is supplied to the dial side, polypropylene false twisted yarn is supplied to the cylinder side, 66.2% by mass of acrylic fiber with a smooth structure, carbon black containing core-sheath acrylic composite fiber 2 The knitted fabric was knitted into a knitted fabric configuration of 8 mass% and polypropylene multifilament 31 mass%.
得られた編地を、カチオン染料にて沸騰染色し、仕上げセットした後、インナーに縫製した。このインナーの目付、布厚、ｃｌｏ値を測定し、その結果と、インナーの保温性・軽量感の評価結果とを表１に示した。なお、表１中に％とあるは質量％の意味である。 The obtained knitted fabric was boiled with a cationic dye, finished and set, and then sewn on the inner. The basis weight, cloth thickness, and clo value of this inner were measured, and the results and the evaluation results of the heat retention and lightness of the inner are shown in Table 1. In Table 1, “%” means mass%.
（実施例２、３、比較例１、３）
表１に示すように、アクリル繊維紡績糸の構成、ポリプロピレンマルチフィラメント糸の構成及び編地構成をそれぞれ変更し、実施例１と同様にして表１に示す編組織で編地構成の編地を作成した。得られた編地を、実施例１と同様に染色し、仕上げセットした後、インナーに縫製し、このインナーにての評価結果を表１に示した。なお、各ポリプロピレンマルチフィラメント糸の単繊維繊度は（糸の繊度数）／（糸のｆ数）で求めることができ、表中での記載は省略した。
(Examples 2 and 3, Comparative Examples 1 and 3)
As shown in Table 1, the configuration of the acrylic fiber spun yarn, the configuration of the polypropylene multifilament yarn, and the knitted fabric configuration were respectively changed, and the knitted fabric having the knitted fabric configuration was formed in the knitting structure shown in Table 1 in the same manner as in Example 1. Created. The obtained knitted fabric was dyed in the same manner as in Example 1, finished and set, and then sewn on the inner. Table 1 shows the evaluation results for the inner. The single fiber fineness of each polypropylene multifilament yarn can be determined by (number of yarn fineness) / (number of f of yarn), and the description in the table is omitted.
（比較例２）
アクリル繊維短繊維（三菱レイヨン社製、単繊維繊度１ｄｔｅｘ、繊維長５１ｍｍ）の毛番手１／８０のアクリル繊維紡績糸とポリエチレンテレフタレートマルチフィラメント仮撚加工糸（１９０ｄｔｅｘ／４０ｆ、単繊維繊度４．７５ｄｔｅｘ）を用い、編機として２８ゲージ丸編機（２重編機）を用い、アクリル繊維紡績糸をダイヤル側に供給し、前記ポリエステル仮撚加工糸をシリンダー側に供給してフライス組織に編成して編地とした。得られた編地を、実施例１と同様に染色し、仕上げセットした後、インナーに縫製し、このインナーにての評価結果を表１に示した。
(Comparative Example 2)
Acrylic fiber short yarn (manufactured by Mitsubishi Rayon Co., Ltd., single fiber fineness 1 dtex, fiber length 51 mm), 1/80 acrylic fiber spun yarn and polyethylene terephthalate multifilament false twisted yarn (190 dtex / 40f, single fiber fineness 4.75 dtex) ), A 28 gauge circular knitting machine (double knitting machine) is used as the knitting machine, acrylic fiber spun yarn is supplied to the dial side, and the polyester false twisted yarn is supplied to the cylinder side to knit into a milled structure. Knitted fabric. The obtained knitted fabric was dyed in the same manner as in Example 1, finished and set, and then sewn on the inner. Table 1 shows the evaluation results for the inner.
本発明による保温性編地は、アクリル繊維紡績糸とポリプロピレンマルチフィラメント糸を構成糸として含む編地であり、編地を構成する繊維間に多くの空気層を含ませることにより、薄地の編地でありながら高い保温性能を有するものであり、さらにアクリル繊維紡績糸に芯部にカーボンブラック含有の芯鞘型アクリル複合繊維を含有させるときは、カーボンブラックに基づくより高い保温性を有し、肌着、インナー等の用途だけでなく、高い保温性能が要求される衣料分野の素材として極めて有用なるものである。
The heat-retaining knitted fabric according to the present invention is a knitted fabric including acrylic fiber spun yarn and polypropylene multifilament yarn as constituent yarns, and a thin knitted fabric by including many air layers between fibers constituting the knitted fabric. However, when the acrylic fiber spun yarn contains a core-sheath acrylic composite fiber containing carbon black in the core, it has a higher heat-retaining property based on carbon black. It is extremely useful as a material in the clothing field that requires high heat retention performance as well as for inner use.
Claims (5)
The heat-retaining knitted fabric according to any one of claims 1 to 4, wherein the polypropylene multifilament yarn is a polypropylene false twisted yarn.
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| WO2017069180A1 (en) * | 2015-10-23 | 2017-04-27 | 三菱レイヨン株式会社 | Knitted fabric having excellent heat-retaining properties and production method therefor |
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