JP5576353B2 - Frozen towel - Google Patents
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- JP5576353B2 JP5576353B2 JP2011255537A JP2011255537A JP5576353B2 JP 5576353 B2 JP5576353 B2 JP 5576353B2 JP 2011255537 A JP2011255537 A JP 2011255537A JP 2011255537 A JP2011255537 A JP 2011255537A JP 5576353 B2 JP5576353 B2 JP 5576353B2
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- 239000000835 fiber Substances 0.000 claims description 66
- 239000004745 nonwoven fabric Substances 0.000 claims description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 229920000728 polyester Polymers 0.000 claims description 12
- 229920000297 Rayon Polymers 0.000 claims description 8
- 239000002964 rayon Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 229920002994 synthetic fiber Polymers 0.000 description 10
- 239000012209 synthetic fiber Substances 0.000 description 10
- 239000004744 fabric Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 229920003043 Cellulose fiber Polymers 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229920006280 packaging film Polymers 0.000 description 4
- 239000012785 packaging film Substances 0.000 description 4
- 239000004627 regenerated cellulose Substances 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000035597 cooling sensation Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 241000282836 Camelus dromedarius Species 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- NOOLISFMXDJSKH-UHFFFAOYSA-N DL-menthol Natural products CC(C)C1CCC(C)CC1O NOOLISFMXDJSKH-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 241001416177 Vicugna pacos Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 210000000085 cashmere Anatomy 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229940041616 menthol Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000050 mohair Anatomy 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Landscapes
- Body Washing Hand Wipes And Brushes (AREA)
- Nonwoven Fabrics (AREA)
Description
本発明は、使用時に爽快な冷涼感を味わうことのできる冷凍おしぼりに関する。 The present invention relates to a frozen towel that can be refreshed when used.
従来から、カフェ、喫茶店及びレストランなどの飲食店では、布製のおしぼりや不織布製のおしぼりが使用されている。 Traditionally, cloth towels and non-woven cloth towels have been used in restaurants such as cafes, coffee shops and restaurants.
これら布製のおしぼり及び不織布製のおしぼりは、夏の暑い季節には、冷蔵庫などによって冷却されて冷たい状態で顧客に配られ、その他の季節には、常温の状態か、又は、保温庫などで加温されて温かい状態で顧客に配られることが多い。 These wet towels and non-woven cloth towels are cooled by a refrigerator or the like in the hot summer season and distributed to customers in the cold state. In other seasons, the towels are kept at room temperature or added in a warmer. It is often distributed to customers in a warm and warm state.
しかしながら、夏場の暑い季節に、これら布製のおしぼり及び不織布製のおしぼりが冷たい状態で顧客に配られても、そのままテーブルの上に置かれると温度が上がってしまい、使用時の冷涼感が低下してしまうという問題がある。 However, even when these wet towels and non-woven towels are distributed to customers in the hot summer season, the temperature rises when placed on the table as it is, and the cool feeling during use decreases. There is a problem that it ends up.
特に昨今の夏場の気温の上昇は激しく、屋外から飲食店に入った直後の顧客は、噴き出すように汗をかいており、手や顔だけではなく、更に首筋を拭くことも多く、多くの箇所を拭いてもなお冷涼感を持つおしぼりが望まれていた。 Especially in recent summer, the temperature has risen sharply, and customers who have just entered a restaurant from the outside are sweating out, often wiping not only their hands and face but also their necks. There was a need for a towel with a cool feeling even after wiping.
ここで、例えば特許文献１（実用新案登録第３１６９３５１号公報）においては、布材の形状に制約が無く、簡便、且つ、瞬時に冷凍おしぼりを得ることが可能であり、携帯性に優れたおしぼり瞬間冷凍具セットが提案されている。 Here, for example, in Patent Document 1 (Utility Model Registration No. 3169351), there is no restriction on the shape of the cloth material, it is possible to obtain a frozen hand towel easily and instantly, and a hand towel excellent in portability. Instant freezer sets have been proposed.
しかしながら、上記特許文献１に記載のおしぼり瞬間冷凍具セットは、布製のおしぼりを対象とするものであり、特許文献１において使い捨て可能な不織布製のおしぼりを用いる場合については特に触れられていない。 However, the hand towel instant freezer set described in Patent Document 1 is intended for hand towels made of cloth, and in Patent Document 1, there is no particular mention of using a disposable hand towel made of nonwoven fabric.
本発明は、以上の従来の問題に鑑みて創作されたものであり、使い捨て可能で、使用時に爽快な冷涼感を味わうことのできる不織布製の冷凍おしぼりに関する。 The present invention has been created in view of the above-described conventional problems, and relates to a frozen hand towel made of nonwoven fabric that can be disposable and can feel a refreshing cool feeling when used.
上記目的を達成するために、本発明は、
１．０〜２．０デニールの繊維で構成された５０〜１００ｇ／ｍ2の目付けを有する不織布と、前記不織布に含侵された水分と、を含むこと、
を特徴とする冷凍おしぼりを提供する。
In order to achieve the above object, the present invention provides:
Including a nonwoven fabric having a basis weight of 50 to 100 g / m 2 composed of 1.0 to 2.0 denier fibers, and moisture impregnated in the nonwoven fabric,
A frozen hand towel is provided.
本発明者は、上記の問題を解決すべく実験をし始めたところ、不織布製のおしぼりに水を含浸させて折り畳んで冷凍した場合、不織布と不織布が互いに接触する面で凍り付いてしまうことから、使用時に折り畳み部分を開こうとすると不織布が破れてしまい、おしぼりとして心地よく使用できないという問題に直面した。 The present inventor started experimenting to solve the above problems, and when the nonwoven fabric hand towel was impregnated with water and frozen and frozen, the nonwoven fabric and the nonwoven fabric freeze on the surfaces that are in contact with each other. When trying to open the folded part at the time of use, the nonwoven fabric was torn and faced the problem that it could not be used comfortably as a towel.
これに対し、本発明者は、主として不織布を構成する繊維の太さ及び不織布の目付けに着目するとともに、不織布を構成する繊維間に保持され得る水分の量に着目し、これらを最適化すれば、折り畳まれて凍り付いた不織布をより確実に開くことができるのではないかと考え、鋭意実験を繰返し、本発明を完成するに至った。 On the other hand, the present inventor mainly pays attention to the thickness of the fibers constituting the nonwoven fabric and the basis weight of the nonwoven fabric, and pays attention to the amount of moisture that can be held between the fibers constituting the nonwoven fabric, and optimizes them. The inventors thought that it would be possible to open the folded and frozen nonwoven fabric more reliably, and repeated earnest experiments to complete the present invention.
具体的には、本発明者は、１．０〜２．０デニールの繊維で構成された５０〜１００ｇ／ｍ2の目付けを有する不織布に水を含侵させて凍らせば、上記のような問題を有しない冷凍おしぼりを実現し得ることを見出し、本発明を完成するに至った。すなわち、かかる構成を有する本発明の冷凍おしぼりによれば、使い捨て可能で、使用時に破れることなく開くことができ、爽快な冷涼感を味わうことができる。 Specifically, the present inventor can impregnate water into a nonwoven fabric having a basis weight of 50 to 100 g / m 2 composed of 1.0 to 2.0 denier fibers and freeze it as described above. The present inventors have found that a freezing wet towel having no problem can be realized, and have completed the present invention. That is, according to the frozen hand towel of the present invention having such a configuration, it can be disposable and can be opened without being broken at the time of use, and a refreshing cool feeling can be tasted.
上記本発明の冷凍おしぼりにおいては、前記不織布を構成する前記繊維が、レーヨン繊維とポリエステル繊維の混合物であること、が好ましい。 In the frozen hand towel of the present invention, it is preferable that the fibers constituting the nonwoven fabric are a mixture of rayon fibers and polyester fibers.
また、上記本発明の冷凍おしぼりにおいては、前記不織布がクロスレイヤー方式で形成されたものであること、が好ましい。 In the frozen hand towel of the present invention, it is preferable that the nonwoven fabric is formed by a cross-layer method.
これらのような構成によれば、使い捨て可能で、使用時に破れることなく開くことができ、爽快な冷涼感を味わうことができる冷凍おしぼりを、より確実に得ることができる。 According to these configurations, it is possible to more reliably obtain a frozen hand towel that is disposable, can be opened without being broken during use, and can feel a refreshing cool feeling.
本発明の冷凍おしぼりは、使い捨て可能で、使用時に破れることなく開くことができ、爽快な冷涼感を味わうことができる。 The frozen hand towel of the present invention is disposable, can be opened without being broken during use, and can feel a refreshing cool feeling.
本発明の冷凍おしぼりは、１．０〜２．０デニールの繊維で構成された５０〜１００ｇ／ｍ2の目付けを有する不織布と、前記不織布に含侵された水分と、を含んで構成されている。以下に、この本発明の冷凍おしぼりの一実施形態について詳細に説明するが、本発明はこれらのみに限定されるものではない。 The frozen hand towel of the present invention includes a nonwoven fabric having a basis weight of 50 to 100 g / m 2 composed of 1.0 to 2.0 denier fibers, and moisture impregnated in the nonwoven fabric. Yes. Hereinafter, an embodiment of the frozen hand towel of the present invention will be described in detail, but the present invention is not limited to these.
なお、デニールは以下のように測定すればよい。例えば、２０℃、相対湿度６５％雰囲気下で繊維の試料を無緊張かつ無荷重で直線状に静置し２４時間放置し放縮させ、その後、試料を９００ｍｍの長さで切断したものを１０本合わせて秤量し、９０００ｍあたりの重量に換算し、その値をデニールとすることができる。 The denier may be measured as follows. For example, in a 20 ° C. and 65% relative humidity atmosphere, a fiber sample is allowed to stand in a straight line with no tension and no load, left to stand for 24 hours, and then the sample is cut to a length of 900 mm. These can be weighed together and converted to a weight per 9000 m, and the value can be denier.
また、不織布の目付けは以下のように測定すればよい。まず、不織布を所定の大きさに裁断し、これを測定片とする。電子天秤（メーカー問わず）に、この測定片を載置する。この状態での重量を測定し、その重量を面積で割ることにより、目付（ｇ／ｍ2）とすることができる。 Moreover, what is necessary is just to measure the fabric weight of a nonwoven fabric as follows. First, a non-woven fabric is cut into a predetermined size and used as a measurement piece. Place this measurement piece on an electronic balance (regardless of manufacturer). By measuring the weight in this state and dividing the weight by the area, the basis weight (g / m 2 ) can be obtained.
上記不織布を構成する繊維は、化学繊維及び天然繊維のいずれであってもよく、これらの混合物であってもよい。また、複数種の化学繊維を用いても、複数種の天然繊維を用いてもよい。 The fibers constituting the nonwoven fabric may be either chemical fibers or natural fibers, or a mixture thereof. In addition, a plurality of types of chemical fibers or a plurality of types of natural fibers may be used.
化学繊維としては、例えば、レーヨン及びキュプラなどの再生セルロース繊維などの再生繊維；例えば、アセテート及びトリアセテートなどのセルロース系繊維などの半合成繊維；ならびに、例えば、ナイロン及びアラミドなどのポリアミド系繊維、ポリエステルなどのポリエステル系繊維、ポリビニルアルコール系繊維、ポリアクリル系繊維、ポリエチレン系繊維、ならびにポリプロピレン系繊維などの合成繊維；が挙げられる。 Examples of chemical fibers include regenerated fibers such as regenerated cellulose fibers such as rayon and cupra; semisynthetic fibers such as cellulosic fibers such as acetate and triacetate; and polyamide fibers such as nylon and aramid; polyester And other synthetic fibers such as polyester fibers, polyvinyl alcohol fibers, polyacrylic fibers, polyethylene fibers, and polypropylene fibers.
また、天然繊維としては、例えば、綿、リネン及び麻などの植物繊維、ならびに、例えば、絹、羊毛、カシミア、モヘア、らくだ（キャメル）及びアルパカなどの動物繊維が挙げられる。 Examples of natural fibers include plant fibers such as cotton, linen and hemp, and animal fibers such as silk, wool, cashmere, mohair, camel and alpaca.
なかでも、風合いがよく、水分を保持し易く、かつ、冷凍及び解凍しても破損しにくいという観点から、化学繊維を用いるのが好ましい。また、吸湿性、吸水性及び親水性に優れるという観点から、レーヨンなどの再生セルロース繊維などの再生繊維を用いるのが好ましく、また、疎水性で、濡れても強度及び耐摩耗性に優れるという観点から、ポリエステルなどのポリエステル系繊維などの合成繊維を用いるのが好ましい。さらには、これらの作用効果をいずれも得られるという観点から、レーヨンなどの再生セルロース繊維などの再生繊維とポリエステルなどのポリエステル系繊維などの合成繊維とを混合して用いることも好ましい。 Especially, it is preferable to use a chemical fiber from the viewpoint that it has a good texture, easily retains moisture, and is not easily damaged even when frozen and thawed. Further, from the viewpoint of excellent hygroscopicity, water absorption and hydrophilicity, it is preferable to use regenerated fibers such as regenerated cellulose fibers such as rayon. Also, it is hydrophobic and has a viewpoint of excellent strength and wear resistance even when wet. Therefore, it is preferable to use synthetic fibers such as polyester fibers such as polyester. Furthermore, it is also preferable to use a mixture of a regenerated fiber such as a regenerated cellulose fiber such as rayon and a synthetic fiber such as a polyester fiber such as polyester from the viewpoint that both of these effects can be obtained.
次に、本発明の冷凍おしぼりを構成する不織布は、１．０〜２．０デニールの繊維で構成され、かつ、５０〜１００ｇ／ｍ2の目付けを有する。 Next, the nonwoven fabric which comprises the frozen hand towel of this invention is comprised with the fiber of 1.0-2.0 denier, and has a fabric weight of 50-100 g / m < 2 >.
繊度が１．０デニール未満の繊維の場合、繊維が細すぎ、繊維間の隙間を十分には確保できず、十分な量の水分を不織布に含浸させることができないため、爽快な冷涼感を味わうことができる冷凍おしぼりが得られにくい。 In the case of a fiber having a fineness of less than 1.0 denier, the fiber is too thin to sufficiently secure a gap between the fibers, and a sufficient amount of moisture cannot be impregnated into the nonwoven fabric, so that a refreshing cool feeling can be experienced. It is difficult to obtain frozen hand towels.
また、繊度が２．０デニールを超える繊維の場合、繊維が太すぎ、繊維間の隙間が大きくなる傾向にあり、不織布がごわつき、また、不織布に含浸される水分の量が多すぎて、冷凍おしぼりがガチガチに凍ってしまい、使用感に劣る。 In addition, in the case of a fiber having a fineness exceeding 2.0 denier, the fiber is too thick and the gap between the fibers tends to be large, the nonwoven fabric is stiff, and the amount of moisture impregnated in the nonwoven fabric is too large. The hand towel freezes and the feeling of use is inferior.
さらには、上記不織布は、１．２〜１．７デニールの繊維で構成されているのが好ましい。この範囲であれば、より確実に、十分な量の水分を不織布に含浸させることができ、爽快な冷涼感を味わうことができる冷凍おしぼりが得られ、また、不織布がごわつくことなく、また、不織布に含浸される水分の量が適度で、使用感に優れた冷凍おしぼりが得られる。 Furthermore, the nonwoven fabric is preferably composed of 1.2 to 1.7 denier fibers. Within this range, the nonwoven fabric can be more reliably impregnated with a sufficient amount of water, and a frozen hand towel that can feel a refreshing cooling sensation can be obtained. The amount of water impregnated in the nonwoven fabric is moderate, and a frozen hand towel with excellent usability can be obtained.
また、レーヨンなどの再生セルロース繊維などの再生繊維と、ポリエステルなどのポリエステル系繊維などの合成繊維と、を混合して用いる場合、再生繊維の繊度は合成繊維の繊度よりも大きいのが好ましい。これにより、上記した再生繊維の作用効果と合成繊維の作用効果をバランスよく発揮させて、本発明の冷凍おしぼりの作用効果をより確実に得ることができる。 In addition, when a regenerated fiber such as regenerated cellulose fiber such as rayon and a synthetic fiber such as polyester fiber such as polyester are mixed and used, the fineness of the regenerated fiber is preferably larger than the fineness of the synthetic fiber. Thereby, the operation effect of the above-mentioned regenerated fiber and the operation effect of the synthetic fiber can be exhibited in a balanced manner, and the operation effect of the frozen hand towel of the present invention can be obtained more reliably.
上記不織布の目付けが５０ｇ／ｍ2未満の場合、繊維どうしの緻密な重なりの程度が低くなってしまい、この繊維で構成された不織布の地合い（形態保持性）が低下するので、好ましくない。 If the basis weight of the non-woven fabric is less than 50 g / m 2 , the degree of dense overlap between the fibers will be low, and the texture (form retainability) of the non-woven fabric composed of these fibers will be unfavorable.
また、上記不織布の目付けが１００ｇ／ｍ2を超える場合、繊維どうしが三次元的に十分に交絡せず、全体としての一体性に劣る傾向にあるため、好ましくない。 Moreover, when the fabric weight of the said nonwoven fabric exceeds 100 g / m < 2 >, since the fibers do not fully entangle in three dimensions and there exists a tendency for it to be inferior to the integrity as a whole, it is unpreferable.
さらには、上記不織布の目付けは７０〜９０ｇ／ｍ2（特に８０ｇ／ｍ2）であるのが好ましい。この範囲であれば、繊維どうしの緻密な重なりの程度が高く、不織布の地合い（形態保持性）も高い。また、繊維どうしが三次元的に十分に交絡しており、全体としての一体性に優れる。 Furthermore, the non-woven fabric of basis weight is 70~90g / m 2 (in particular 80 g / m 2) is preferred. Within this range, the degree of dense overlapping of the fibers is high, and the texture (form retention) of the nonwoven fabric is also high. Further, the fibers are sufficiently entangled three-dimensionally, and the overall integrity is excellent.
本発明の冷凍おしぼりは、折り畳まれた状態の上記不織布に水分が含浸されて、構成されている。より具体的には、水分が凍った状態で上記不織布の少なくとも内部（繊維間の隙間）に存在している。この凍った水分は、上記不織布の表面にも位置していてもよい。 The frozen hand towel of the present invention is configured by impregnating the nonwoven fabric in a folded state with moisture. More specifically, it exists in at least the inside of the non-woven fabric (gap between fibers) in a state where moisture is frozen. This frozen water may also be located on the surface of the nonwoven fabric.
このように凍った水分を含む上記不織布が、本発明の冷凍おしぼりを構成するが、さらに、ポリエチレンやポリ塩化ビニルなどの従来公知の包装フィルムによって包装されていてもよい。 The non-woven fabric containing the water thus frozen constitutes the frozen hand towel of the present invention, and may be further wrapped with a conventionally known packaging film such as polyethylene or polyvinyl chloride.
ここで、本発明の冷凍おしぼりの代表的な製造方法について説明する。 Here, the typical manufacturing method of the frozen hand towel of this invention is demonstrated.
上記不織布は、従来公知の方法によって製造することが可能であるが、例えば再生繊維と合成繊維とを用いた不織布を製造する場合は、再生繊維／合成繊維＝６０／４０〜３０／７０（重量％）の割合で混繊し、例えばカード機により解繊することにより不織ウエブを形成する。 Although the said nonwoven fabric can be manufactured by a conventionally well-known method, for example, when manufacturing the nonwoven fabric using a recycled fiber and a synthetic fiber, recycled fiber / synthetic fiber = 60 / 40-30 / 70 (weight) %), And a non-woven web is formed by defibration with a card machine, for example.
両繊維を混繊する際に、合成繊維と再生繊維との上記割合の範囲を外れると、疎水性で、濡れても強度及び耐摩耗性に優れるという合成繊維の作用効果と、吸湿性、吸水性及び親水性という再生繊維の作用効果と、のバランスが崩れ、本発明の冷凍おしぼりの作用効果が損なわれる傾向にある。 When mixing both fibers, if the ratio of the synthetic fiber and the recycled fiber is out of the above range, it is hydrophobic and has the effect of the synthetic fiber that it is excellent in strength and abrasion resistance even when wet. There is a tendency that the balance between the function and effect of the regenerated fiber, which is hydrophilic and hydrophilic, is lost, and the function and effect of the frozen hand towel of the present invention tend to be impaired.
カード機により形成される不織ウエブとしては、繊維の配列が機械方向に一様なパラレルカード機を使用してパラレルカードウエブ、クロスレイヤー又はパラレルカード機とクロスレイヤーとの両方を使用して繊維の配列を機械方向に対し横直交する方向に積層したクロスレイドウエブ、このクロスレイドウエブをドラフターを用い繊維縦／横の配列を変更したウエブ、セミランダムカード機を用いたセミランダムウエブ、及びランダムカード機による繊維の配列が一様性のないランダムカードウエブなどが挙げられる。なかでも、クロスレイドウエブが好ましい。 Non-woven webs formed by card machines include parallel card machines with a uniform fiber arrangement in the machine direction, parallel card webs, cross layers, or both parallel card machines and cross layers. Cross-laid webs laminated in a direction perpendicular to the machine direction, webs in which the cross-laid webs are changed in the longitudinal / horizontal direction using a drafter, semi-random webs using a semi-random card machine, and random Examples include random card webs in which the fiber arrangement by the card machine is not uniform. Of these, a cross-laid web is preferred.
また、これらのカード機を複数組み合わせたり、同種のカード機を複数台用いたりすることにより、不織布の機械的性能の向上、操業性、生産性の向上を行うことができる。 Further, by combining a plurality of these card machines or using a plurality of the same kind of card machines, it is possible to improve the mechanical performance, operability and productivity of the nonwoven fabric.
次いで、得られた不織ウエブに高圧液体流処理（高圧液体流を噴出して不織ウエブに衝突させ、不織ウエブの構成繊維どうしを交絡させる処理）を施すことにより、構成繊維相互間に三次元交絡を形成して形態を保持させ、その後乾燥処理を施し、不織布を得る。不織ウエブに高圧液体流による三次元交絡を施すに際しては、従来公知の技術を用いればよい。 Next, the obtained nonwoven web is subjected to a high-pressure liquid flow treatment (a treatment in which a high-pressure liquid flow is ejected and collided with the nonwoven web so that the constituent fibers of the nonwoven web are entangled with each other). A three-dimensional entanglement is formed to maintain the form, and then a drying treatment is performed to obtain a nonwoven fabric. In performing three-dimensional entanglement with a high-pressure liquid flow on a nonwoven web, a conventionally known technique may be used.
高圧液体流処理を施した後乾燥処理を施すが、この際、まず処理後の不織ウエブから過剰水分を除去する。この過剰水分の除去には、従来公知の方法を採用することができ、例えばマングルロール等の絞り装置を用いて過剰水分をある程度機械的に除去する。そして、引き続き連続熱風乾燥機等の乾燥装置を用いて残余の水分を除去し、三次元交絡により形態保持された不織布を得る。 A high-pressure liquid flow treatment is performed followed by a drying treatment. At this time, first, excess water is removed from the treated nonwoven web. For the removal of excess moisture, a conventionally known method can be employed. For example, excess moisture is mechanically removed to some extent using a squeezing device such as a mangle roll. Subsequently, residual moisture is removed using a drying device such as a continuous hot air dryer to obtain a nonwoven fabric whose shape is maintained by three-dimensional entanglement.
次に、上記のようにして得た不織布に、水分を含浸させる。この水分は水道水、純水、蒸留水、精製水のいずれであってもよい。また、抗菌剤やメントールなどの清涼剤などを含んでいてもよい。 Next, the nonwoven fabric obtained as described above is impregnated with moisture. This water may be tap water, pure water, distilled water, or purified water. Further, it may contain a cooling agent such as an antibacterial agent or menthol.
このように水分を含浸させた不織布を、常法によって包装フィルムに包装し、その後、通常の冷凍庫などに保管すれば、本発明の冷凍おしぼりを得ることができる。 If the nonwoven fabric impregnated with moisture in this way is packaged in a packaging film by a conventional method and then stored in a normal freezer or the like, the frozen hand towel of the present invention can be obtained.
≪実施例１≫
１．５デニール及び３８ｍｍのサイズを有するレーヨン繊維と、１．４デニール及び３８ｍｍのサイズを有するポリエステル繊維と、を用い、クロスレイヤー方式で、メッシュタイプの不織布を製造した。このとき、不織布の目付けは８０ｇ／ｍ2とし、寸法は、１８５ｍｍ×２５０ｍｍとした。ついで、上記不織布を折り畳んでこれに生成水を含浸させ、その後、包装フィルムで包装し、得られた包装体を冷凍庫に数時間保管し、本発明の冷凍おしぼりを得た。
Example 1
A mesh type nonwoven fabric was manufactured by a cross-layer method using rayon fibers having a size of 1.5 denier and 38 mm and polyester fibers having a size of 1.4 denier and 38 mm. At this time, the basis weight of the nonwoven fabric was 80 g / m 2 and the dimensions were 185 mm × 250 mm. Next, the nonwoven fabric was folded and impregnated with water, and then wrapped with a packaging film, and the resulting package was stored in a freezer for several hours to obtain the frozen hand towel of the present invention.
得られた本発明の冷凍おしぼりの使用感を調べるため、折り畳まれた不織布を、包装フィルムを開封して取り出し、折り畳んだ部分を開いたところ、不織布どうしが接触している部分が綺麗に剥がれ、使用時に破れたりすることなく開くことができた（剥がれ性）。また、十分な量の凍った水分が含まれており、爽快な冷涼感を味わうことができた（冷涼感）。 In order to examine the feeling of use of the obtained frozen hand towel of the present invention, the folded nonwoven fabric is taken out by opening the packaging film, the folded portion is opened, the portion where the nonwoven fabrics are in contact is peeled off cleanly, It could be opened without tearing during use (peelability). In addition, a sufficient amount of frozen water was contained, and an exhilarating cooling sensation was enjoyed (cooling sensation).
なお、剥がれ性の評価においては、不織布どうしが接触している部分が綺麗に剥がれ、使用時に破れたりして破損することなく開くことができ場合を◎、少し剥がしにくかったが綺麗に開くことができた場合を○、不織布が少し破損した場合を△、不織布が大きく破損した場合を×とした。結果を表１に示した。 In the evaluation of peelability, the part where the non-woven fabrics are in contact with each other is peeled off beautifully, and it can be opened without tearing or breaking during use. The case where it was made was marked with ◯, the case where the nonwoven fabric was slightly damaged was marked with Δ, and the case where the nonwoven fabric was severely damaged was marked with ×. The results are shown in Table 1.
また、冷涼感の評価においては、十分な量の凍った水分が保持されており冷涼感に優れる場合を◎、ある程度の量の凍った水分が保持されており冷涼感に問題が無い場合を○、十分な量の水分が保持されておらず冷涼感に乏しい場合を△、水分があまり保持されておらず冷涼感に著しく乏しい場合を×とした。結果を表１に示した。 In the evaluation of cool feeling, ◎ when a sufficient amount of frozen water is retained and excellent in the cool feeling, ◎, when a certain amount of frozen water is retained and there is no problem with the cool feeling ○ The case where a sufficient amount of water was not retained and the cool feeling was poor was evaluated as Δ, and the case where water was not sufficiently retained and the cool feeling was remarkably poor was evaluated as x. The results are shown in Table 1.
≪実施例２〜４及び比較例１〜４≫
レーヨン繊維、ポリエステル繊維、及び不織布の仕様を、表１に示す値に変更した以外は実施例１と同様にして、冷凍おしぼりを製造し、実施例１と同様にして使用感を調べた。すべての実施例及び比較例の結果を表１に示した。
<< Examples 2 to 4 and Comparative Examples 1 to 4 >>
A frozen hand towel was produced in the same manner as in Example 1 except that the specifications of rayon fiber, polyester fiber, and nonwoven fabric were changed to the values shown in Table 1, and the usability was examined in the same manner as in Example 1. The results of all examples and comparative examples are shown in Table 1.
表１から、本発明の冷凍おしぼりは剥がれ性及び冷涼感に優れ、使い捨て可能で、使用時に破れることなく開くことができ、爽快な冷涼感を味わうことができることがわかった。 From Table 1, it was found that the frozen hand towel of the present invention is excellent in peelability and coolness, is disposable, can be opened without being broken during use, and can feel refreshing coolness.
以上、本発明の冷凍おしぼりについて説明してきたが本発明はこれに限定されるものではなく特許請求の範囲及び明細書等に記載の精神や教示を逸脱しない範囲で他の変形例、改良例が得られることを当業者であれば容易に理解される。 Although the frozen hand towel of the present invention has been described above, the present invention is not limited to this, and other modifications and improvements can be made without departing from the spirit and teaching described in the claims and the description. Those skilled in the art will readily understand that it is obtained.
Claims (1)
前記繊維が、レーヨン繊維とポリエステル繊維の混合物であり、
前記不織布がクロスレイヤー方式で形成されたものであること、
を特徴とする冷凍おしぼり。
A nonwoven fabric having 70 to 90 g / m 2 basis weight that is composed of 1.2-1.7 denier fibers, and water which has been impregnated into the nonwoven fabric, only including,
The fiber is a mixture of rayon fiber and polyester fiber ;
The nonwoven fabric is formed by a cross-layer method ,
Frozen hand towel characterized by
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