JPH06226899A - Multilayer structure nonwoven sheet - Google Patents
Multilayer structure nonwoven sheetInfo
- Publication number
- JPH06226899A JPH06226899A JP1778993A JP1778993A JPH06226899A JP H06226899 A JPH06226899 A JP H06226899A JP 1778993 A JP1778993 A JP 1778993A JP 1778993 A JP1778993 A JP 1778993A JP H06226899 A JPH06226899 A JP H06226899A
- Authority
- JP
- Japan
- Prior art keywords
- fiber web
- web layer
- water
- layer
- long fiber
- 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 claims abstract description 153
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 126
- 238000001704 evaporation Methods 0.000 claims abstract description 34
- 230000008020 evaporation Effects 0.000 claims abstract description 32
- 229920001410 Microfiber Polymers 0.000 claims description 56
- 238000000034 method Methods 0.000 claims description 22
- 230000035699 permeability Effects 0.000 claims description 21
- 239000002131 composite material Substances 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000004831 Hot glue Substances 0.000 claims description 3
- 230000005068 transpiration Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 13
- 239000004745 nonwoven fabric Substances 0.000 abstract description 4
- 229920000642 polymer Polymers 0.000 description 30
- -1 polyethylene terephthalate Polymers 0.000 description 24
- 239000000463 material Substances 0.000 description 11
- 229920000139 polyethylene terephthalate Polymers 0.000 description 11
- 239000005020 polyethylene terephthalate Substances 0.000 description 11
- 239000000470 constituent Substances 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 239000002250 absorbent Substances 0.000 description 4
- 239000000306 component Substances 0.000 description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 230000035900 sweating Effects 0.000 description 4
- 229920003189 Nylon 4,6 Polymers 0.000 description 3
- 229920002302 Nylon 6,6 Polymers 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 229920002292 Nylon 6 Polymers 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002964 rayon Substances 0.000 description 2
- 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
- 239000004677 Nylon Substances 0.000 description 1
- 229920000305 Nylon 6,10 Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000003429 antifungal agent Substances 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004750 melt-blown nonwoven Substances 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、窓や側壁などに発生す
る結露を吸い取る吸水シートとして、また発汗に対する
吸水・吸湿性を必要とする衣料素材として、また湿布剤
などの貼付剤の基布などとして好適な多層構造不織シー
トに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water-absorbent sheet for absorbing dew condensation formed on windows, side walls, etc., as a clothing material requiring water-absorbing / hygroscopicity against sweating, and as a base fabric for patches such as poultices. The present invention relates to a non-woven sheet having a multi-layer structure suitable as the above.
【０００２】[0002]
【従来の技術】従来のこの種シートとして吸水性を有す
るシート状物と蒸発性を有するシート状物を積層させて
なる２層構造のものが知られており、安価に提供するた
めに例えば２層の両シート状物を不織布で構成する試み
がなされている。この場合、吸水性を有するシート状物
を短繊維ウエブで構成し、蒸発性を有するシート状物を
極細繊維ウエブで構成して、吸水性および蒸発性を発揮
させるものであるが、窓や側壁などに発生する結露を吸
い取るシートとして窓や側壁などに装着されて使用する
ことについては強度的に問題はないが、発汗に対する吸
水・吸湿性を必要とする衣料素材として使用するにはシ
ートに引張力がかかるので破れやすいという問題があ
る。2. Description of the Related Art As a conventional sheet of this type, a sheet having a two-layer structure in which a sheet-like material having water absorbency and a sheet-like material having evaporation property are laminated is known. Attempts have been made to construct both sheet materials of the layer from non-woven fabrics. In this case, the sheet material having water absorbency is composed of a short fiber web, and the sheet material having evaporability is composed of an ultrafine fiber web to exert water absorbency and evaporative property. There is no problem in terms of strength when used as a sheet that absorbs the dew condensation that occurs on a window or side wall, but to use it as a clothing material that requires water absorption and moisture absorption for sweating, pull it on the sheet. There is a problem that it is easy to tear because it requires force.
【０００３】[0003]
【発明が解決しようとする課題】本発明はこのような課
題を解決するもので、不織布で構成して安価で、しかも
強度的にも強く、吸水性および蒸発性に優れたシートを
提供することを目的とするものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems and provides a sheet made of a non-woven fabric, which is inexpensive, strong in strength, and excellent in water absorption and evaporation. The purpose is.
【０００４】[0004]
【課題を解決するための手段】この課題を解決するため
に本発明は、吸水性を有する短繊維ウエブ層と、導水性
を有する長繊維ウエブ層と、水分蒸散能を有する極細繊
維ウエブ層とからなり、前記短繊維ウエブ層と極細繊維
ウエブ層との間に長繊維ウエブ層を介在させて積層され
てなることを要旨とするものである。また本発明は、吸
水性を有する短繊維ウエブ層と導水性を有する長繊維ウ
エブ層とが接合され、前記長繊維ウエブ層と水分蒸散能
を有する極細繊維ウエブ層との間に、前記吸水性を有す
る短繊維ウエブ層とは別で前記長繊維ウエブ層および極
細繊維ウエブ層を構成する繊維よりも低融点の繊維から
なる短繊維ウエブ層を介在させ、この介在された短繊維
ウエブ層の繊維を加熱により部分的に溶融させて前記長
繊維ウエブ層および極細繊維ウエブ層を構成する繊維に
接着させてなることを要旨とするものである。また本発
明は、吸水性を有する短繊維ウエブ層と導水性を有する
長繊維ウエブ層とが接合され、前記長繊維ウエブ層と水
分蒸散能を有する極細繊維ウエブ層との間に、海綿状構
造の微多孔シートを介在させて積層されてなることを要
旨とするものである。また本発明は、吸水性を有する短
繊維ウエブ層と導水性を有する長繊維ウエブ層とが接合
され、前記長繊維ウエブ層と水分蒸散能を有する極細繊
維ウエブ層とをホットメルト型接着剤を介して積層して
なることを要旨とするものである。また本発明は、吸水
性を有する短繊維ウエブ層と導水性を有する長繊維ウエ
ブ層と水分蒸散能を有する極細繊維ウエブ層とを積層し
た状態で、ウオータージェットニードル法により隣り合
う層間の繊維を交絡させてなることを要旨とするもので
ある。また本発明は、吸水性を有する短繊維ウエブ層と
導水性を有する長繊維ウエブ層と水分蒸散能を有する極
細繊維ウエブ層とを積層した状態で、ニードルパンチ法
により隣り合う層間の繊維を交絡させてなることを要旨
とするものである。また本発明は、水分蒸散能を有する
極細繊維ウエブ層は互いに非相溶性で単糸繊度が１〜１
２デニールの分割型二成分複合連続長繊維からウオータ
ージェットニードル法により分割発現した単糸繊度が
０．０５〜０．８デニールの割繊長繊維からなることを
要旨とするものである。To solve this problem, the present invention provides a short fiber web layer having water absorbency, a long fiber web layer having water permeability, and an ultrafine fiber web layer having water evaporation ability. The gist of the present invention is that the long fiber web layer is laminated between the short fiber web layer and the ultrafine fiber web layer. Further, the present invention, a short fiber web layer having water absorbency and a long fiber web layer having water permeability are joined, and between the long fiber web layer and an ultrafine fiber web layer having water evaporation ability, the water absorbency A short fiber web layer having a melting point lower than that of the fibers constituting the long fiber web layer and the ultrafine fiber web layer separately from the short fiber web layer having Is partially melted by heating and adhered to the fibers forming the long fiber web layer and the ultrafine fiber web layer. Further, the present invention, a short fiber web layer having water absorbency and a long fiber web layer having water permeability are joined, and between the long fiber web layer and an ultrafine fiber web layer having a water evaporation ability, a spongy structure. The gist is that they are laminated with the microporous sheet in between. Further, the present invention, a short fiber web layer having water absorbability and a long fiber web layer having water permeability are joined, and the long fiber web layer and an ultrafine fiber web layer having water evaporation ability are formed into a hot melt adhesive. The gist of the invention is to be laminated via the above. Further, the present invention is a state in which a short fiber web layer having water absorbency and a long fiber web layer having water permeability and an ultrafine fiber web layer having water evaporation ability are laminated, and fibers between adjacent layers are formed by a water jet needle method. The idea is to entangle them. Further, the present invention is a state in which a short fiber web layer having water absorbency, a long fiber web layer having water permeability and an ultrafine fiber web layer having water evaporation ability are laminated, and the fibers between adjacent layers are entangled by a needle punch method. The main idea is to do so. Further, according to the present invention, the ultrafine fiber web layers having a water evaporation ability are incompatible with each other and have a single yarn fineness of 1 to 1.
The gist of the present invention is that split single filaments having a single yarn fineness of 0.05 to 0.8 denier, which are split and developed from a 2-denier split bicomponent composite continuous filament by the water jet needle method, are the gist.
【０００５】本発明でいう吸水性を有する短繊維ウエブ
層は、綿，麻，羊毛などの天然繊維、キュプラレーヨン
やアセテートレーヨンなどの再生繊維、吸水性を有する
合成重合体からなる短繊維からなり、目付を１５０〜２
５０ｇ／ｍ2 とするのが好ましい。この目付が１５０ｇ
／ｍ2 未満であると吸水性に劣り、目付が２５０ｇ／ｍ
2 を超えると吸水性は向上するが、厚みが大きくなり外
見上好ましくない。The water-absorbing short fiber web layer referred to in the present invention comprises natural fibers such as cotton, hemp and wool, regenerated fibers such as cupra rayon and acetate rayon, and short fibers comprising a water-absorbing synthetic polymer. , Weight is 150-2
It is preferably 50 g / m 2 . This unit weight is 150g
/ M 2 less than water absorbency, the basis weight is 250 g / m
When it exceeds 2 , the water absorption is improved, but the thickness becomes large, which is not preferable in appearance.
【０００６】本発明でいう導水性を有する長繊維ウエブ
層は、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，イソフタール酸が共重合された共重合ポリ
エチレンテレフタレートなどのポリエステル系重合体
や、ポリエチレン，ポリプロピレンなどのポリオレフィ
ン系重合体、ナイロン６，ナイロン６６，ナイロン６１
０，ナイロン４６などのポリアミド系重合体、あるいは
これら重合体のブレンド物からなる長繊維から構成され
たスパンポンド不織ウエブであって、単糸繊度を１〜１
０デニール、目付を３０〜７０ｇ／ｍ2 とするのが好ま
しい。単糸繊度が１デニール未満であったり、目付が７
０ｇ／ｍ2 を超えると、単糸間の空隙が小さすぎるため
に、水分蒸散能を有する極細繊維ウエブ層への導水速度
が低下するので好ましくない。単糸繊度が１０デニール
を超えたり、目付が３０ｇ／ｍ2 未満であると、長繊維
ウエブ層の単糸間の空隙が大きくなりすぎ、導水性が低
下するので好ましくない。特に単糸繊度が１デニール未
満で、目付が３０ｇ／ｍ2 未満であると実用上充分な機
械的強度が得られず好ましくない。また、単糸繊度が１
０デニールを超え、目付が７０ｇ／ｍ2 を超えると導水
能力が向上せず好ましくない。なお、用途によって耐熱
性が要求される場合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などのポリエステル系重合体
あるいはナイロン６６，ナイロン４６などのポリアミド
系重合体に代表される高融点重合体ポリマーを用いるの
が好ましい。The long-fiber web layer having water-conducting property referred to in the present invention is a polyester-based polymer such as polyethylene terephthalate, polybutylene terephthalate, copolymerized polyethylene terephthalate in which isophthalic acid is copolymerized, or a polyolefin-based polymer such as polyethylene or polypropylene. Polymer, nylon 6, nylon 66, nylon 61
A spun-pond non-woven web composed of long fibers made of a polyamide polymer such as 0 or nylon 46, or a blend of these polymers, and having a single yarn fineness of 1 to 1
It is preferable that the denier is 0 and the basis weight is 30 to 70 g / m 2 . Single yarn fineness is less than 1 denier, and weight is 7
If it exceeds 0 g / m 2 , the voids between the single yarns are too small, and the water transfer rate to the ultrafine fiber web layer having a water evaporation ability is reduced, which is not preferable. If the single yarn fineness exceeds 10 denier or the basis weight is less than 30 g / m 2 , the voids between the single yarns of the long fiber web layer become too large and the water permeability decreases, which is not preferable. Particularly, if the single yarn fineness is less than 1 denier and the basis weight is less than 30 g / m 2 , practically sufficient mechanical strength cannot be obtained, which is not preferable. The single yarn fineness is 1
If it exceeds 0 denier and the basis weight exceeds 70 g / m 2 , the water transfer capacity is not improved, which is not preferable. When heat resistance is required depending on the application, it is preferable to use a polyester polymer such as polyethylene terephthalate or polybutylene terephthalate, or a high melting point polymer polymer typified by a polyamide polymer such as nylon 66 or nylon 46. .
【０００７】次に本発明でいう水分蒸散能を有する極細
繊維ウエブ層は、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，イソフタール酸が共重合された
共重合ポリエチレンテレフタレートなどのポリエステル
系重合体や、ポリエチレン，ポリプロピレンなどのポリ
オレフィン系重合体、ナイロン６，ナイロン６６，ナイ
ロン６１０，ナイロン４６などのポリアミド系重合体、
あるいはこれら重合体のブレンド物からなり、例えばメ
ルトブローン法により得られるウエブであり、単糸繊度
を０．０１〜０．１デニール、目付を３０〜７０ｇ／ｍ
2 とするのが好ましい。このウエブは前記重合体を溶融
紡出し、溶融紡出されたポリマ流を溶融温度より２０〜
５０℃高い温度の高圧空気流により牽引・細化し、冷却
した後、移動する捕集面上に捕集・堆積させて得られる
ものである。単糸繊度が０．０１デニール未満である
と、メルトブローン法において製糸性が極端に悪化する
ため好ましくない。単糸繊度が０．１デニールを超える
と、目付にもよるがウエブ層表面と大気との接触面積が
低下して水分蒸散能力が向上せず、好ましくない。ま
た、目付が３０ｇ／ｍ2 未満であると、ウエブ層に実用
上充分な強力が得られず、好ましくない。目付が７０ｇ
／ｍ2 を超えると、単糸間の空隙が小さすぎるため、水
分蒸散能力が低下するので、好ましくない。Next, the ultrafine fiber web layer having the ability to evaporate water as referred to in the present invention is a polyester polymer such as polyethylene terephthalate, polybutylene terephthalate, copolymerized polyethylene terephthalate in which isophthalic acid is copolymerized, polyethylene, polypropylene, etc. Polyolefin polymers of Nylon 6, Nylon 66, Nylon 610, Nylon 46 and other polyamide polymers,
Alternatively, a web made of a blend of these polymers, for example, obtained by a melt blown method, has a single yarn fineness of 0.01 to 0.1 denier and a basis weight of 30 to 70 g / m 2.
It is preferably 2 . This web melt-spun the polymer and melt-spun the polymer stream from the melt temperature to 20-
It is obtained by drawing and thinning by a high-pressure air flow at a temperature higher by 50 ° C., cooling and then collecting and depositing on a moving collecting surface. If the single yarn fineness is less than 0.01 denier, the yarn formability is extremely deteriorated in the melt blown method, which is not preferable. If the single yarn fineness exceeds 0.1 denier, the contact area between the surface of the web layer and the atmosphere is reduced, depending on the basis weight, and the water evaporation ability is not improved, which is not preferable. If the basis weight is less than 30 g / m 2 , the web layer will not have sufficient practical strength, which is not preferable. Weight is 70g
If it exceeds / m 2 , the voids between the single yarns are too small and the water evaporation ability is reduced, which is not preferable.
【０００８】また、水分蒸散能を有する極細繊維ウエブ
層は、上記のメルトブローン法により得られるウエブの
他、互いに非相溶性で単糸繊度が１〜１２デニールの分
割型二成分複合連続長繊維が後述するウオータージェッ
トニードル法により分割発現した単糸繊度が０．０５〜
０．８デニールの割繊長繊維から構成されても良い。In addition to the web obtained by the above-mentioned melt blown method, the ultrafine fiber web layer having the ability to evaporate water includes split type two-component composite continuous filaments which are incompatible with each other and have a single yarn fineness of 1 to 12 denier. The single yarn fineness which is divided and developed by the water jet needle method described later is 0.05 to
It may be composed of split filaments of 0.8 denier.
【０００９】本発明の多層構造不織シートは少なくとも
前記吸水性を有する短繊維ウエブ層、導水性を有する長
繊維ウエブ層、水分蒸散能を有する極細繊維ウエブ層か
らなる３層構造であって、この３層のウエブ層の接合は
ニードルパンチ法やウオータージェットニードル法によ
り繊維間を交絡させて行なうことができる。特にウオー
タージェットニードル法によれば全面交絡することがで
き、層間の接合強度を向上させることができ、しかも吸
水性を有する短繊維ウエブ層→導水性を有する長繊維ウ
エブ層→水分蒸散能を有する極細繊維ウエブ層への水分
の移行がスムーズに行なわれる。ウオータージェットニ
ードルを施すに際しては、公知の方法を採用することが
できる。例えば、孔径が０．０５〜１．０ｍｍ、特に
０．１〜０．４ｍｍの噴射孔を多数配列した装置を用
い、噴射圧力が５〜１５０ｋｇ／ｃｍ 2 Ｇの高圧液体を
前記噴射孔から噴射する方法がある。噴射孔の配列は、
ウエブの進行方向と直交する方向に列状に配列する。こ
の処理はウエブの両面から行なうのが好ましく、その処
理は片面づつあるいは両面同時に行なっても良い。この
ウオータージェットニードル法により処理する場合に、
前記水分蒸散能を有する極細繊維ウエブ層の原料繊維と
して、互いに非相溶性で単糸繊度が１〜１２デニールの
分割型二成分複合連続長繊維を用いることにより、ウオ
ータージェットニードルを施すことにより前記分割型二
成分複合連続長繊維が割繊されて単糸繊度が０．０５〜
０．８デニールの長繊維からなるウエブ層が形成され
る。前記分割型二成分複合連長繊維は互いに非相溶性の
二種の重合体からなり、両重合体は共に単糸の表面に露
出しており、かつ単糸の断面内において一方の重合体が
他の重合体により分割割繊可能な形に仕切られているも
のであって、従来公知のスパンボンド法により製造され
る。The multilayer nonwoven sheet of the present invention is at least
The water absorbent short fiber web layer, the water permeable long
Fiber web layer, ultrafine fiber web layer with water evaporation ability
It has a three-layer structure consisting of
Needle punch method and water jet needle method
This can be done by interlacing the fibers. Especially wow
According to the Turjet needle method, it is possible to entangle the entire surface.
Can improve the bonding strength between layers and
Water-containing short fiber web layer → Water-permeable long fiber web
Eve layer → water to ultrafine fiber web layer with water evaporation ability
The transition of is done smoothly. Water jet
A well-known method may be used when
it can. For example, the pore size is 0.05 to 1.0 mm, especially
Uses a device with a large number of 0.1-0.4 mm injection holes arranged.
The injection pressure is 5 to 150 kg / cm 2 G high pressure liquid
There is a method of jetting from the jet hole. The array of injection holes is
The webs are arranged in a row in a direction orthogonal to the traveling direction of the web. This
It is preferable to perform the treatment on both sides of the web.
The processing may be performed on one side or simultaneously on both sides. this
When processing by the water jet needle method,
A raw material fiber of the ultrafine fiber web layer having the ability to evaporate water;
And are incompatible with each other and have a single yarn fineness of 1 to 12 denier
By using split type bicomponent composite continuous filaments,
Water jet needle, and
Component composite continuous filaments are split and the single yarn fineness is 0.05 ~
A web layer of 0.8 denier filaments was formed.
It The split bicomponent composite continuous fibers are incompatible with each other.
It consists of two polymers, both of which are exposed on the surface of the single yarn.
And one polymer in the cross section of the single yarn
It is also divided by other polymer into a shape that can be split and split.
And is manufactured by the conventionally known spunbond method.
It
【００１０】なお、吸水性を有する短繊維ウエブ層と導
水性を有する長繊維ウエブ層とをニードルパンチ法によ
る繊維間交絡により機械的に接合し、導水性を有する長
繊維ウエブ層と水分蒸散能を有する極細繊維ウエブ層と
をスプレー法によりホットメルト型接着剤を付着させて
接合しても良い。A water-absorbing short fiber web layer and a water-conducting long fiber web layer are mechanically joined by interfiber entanglement by a needle punching method, and the water-conducting long fiber web layer and water transpiration ability are combined. The hot-melt adhesive may be adhered and bonded to the ultrafine fiber web layer having the above by a spray method.
【００１１】また、導水性を有する長繊維ウエブ層と水
分蒸散能を有する極細繊維ウエブ層とを両ウエブ層の構
成繊維同志を熱接着させることにより接合しても良い。
この場合、導水性を有する長繊維ウエブ層の構成繊維と
して、芯部が高融点の重合体からなり、鞘部が芯部の重
合体より１５℃以上低い融点を有する重合体からなる芯
鞘型複合繊維を用い、この鞘部の融点より１５℃以上高
い融点を有する重合体で水分蒸散能を有する極細繊維ウ
エブ層を構成して、加熱により前記鞘部の重合体を溶融
させることにより両ウエブ層の構成繊維同志を熱接着さ
せるものである。Further, the long fiber web layer having water permeability and the ultrafine fiber web layer having water evaporation ability may be joined by heat-bonding the constituent fibers of both web layers.
In this case, as a constituent fiber of the long-fiber web layer having water-conducting property, a core-sheath type in which a core portion is made of a polymer having a high melting point and a sheath portion is made of a polymer having a melting point 15 ° C. or more lower than that of the polymer of the core portion By using a composite fiber, a polymer having a melting point of 15 ° C. or more higher than the melting point of the sheath portion is used to form an ultrafine fiber web layer having a water evaporation ability, and the polymer in the sheath portion is melted by heating to obtain both webs. The constituent fibers of the layer are bonded together by heat.
【００１２】また、導水性を有する長繊維ウエブ層と水
分蒸散能を有する極細繊維ウエブ層との間に、前記吸水
性を有する短繊維ウエブ層とは別で前記長繊維ウエブ層
および極細繊維ウエブ層の構成繊維よりも融点が３０℃
以上低く前記長繊維ウエブ層および極細繊維ウエブ層の
構成繊維に用いた重合体と同系の重合体からなる繊維で
構成される短繊維ウエブ層を介在させ、この介在された
短繊維ウエブ層の繊維を加熱により部分的に溶融させて
前記長繊維ウエブ層および極細繊維ウエブ層の構成繊維
に接着させるようしても良い。Further, between the long fiber web layer having water-conducting property and the ultrafine fiber web layer having water evaporation ability, apart from the short fiber web layer having water absorbability, the long fiber web layer and the ultrafine fiber web are provided. The melting point is 30 ° C higher than the constituent fibers of the layer
As low as the above, a short fiber web layer composed of fibers made of a polymer similar to the polymer used for the constituent fibers of the long fiber web layer and the ultrafine fiber web layer is interposed, and the fibers of the intervening short fiber web layer May be partially melted by heating and adhered to the constituent fibers of the long fiber web layer and the ultrafine fiber web layer.
【００１３】前記導水性を有する長繊維ウエブ層と水分
蒸散能を有する極細繊維ウエブ層との間に介在される短
繊維ウエブ層の代わりとして、ポリエチレン，ポリプロ
ピレンなどのポリオレフィンからなり海綿状構造で、厚
み２０〜５０μの微多孔シートを用いることも可能であ
る。As a substitute for the short fiber web layer interposed between the long fiber web layer having water permeability and the ultrafine fiber web layer having water evaporation ability, a spongy structure made of polyolefin such as polyethylene or polypropylene is provided. It is also possible to use a microporous sheet having a thickness of 20 to 50 μm.
【００１４】さらに、本発明の多層構造不織シートに必
要に応じてシリカゲル粉末などの吸水剤、酸化防止剤、
防黴剤、耐熱剤、制電剤、顔料などを添加しても良く、
またシート表面にグラビア印刷を施しても良い。Further, a water absorbing agent such as silica gel powder, an antioxidant, and
Antifungal agents, heat-resistant agents, antistatic agents, pigments, etc. may be added,
Gravure printing may be applied to the surface of the sheet.
【００１５】[0015]
【作用】上記構成の本発明の多層構造不織シートは例え
ば窓や側壁の内面に貼り付けられ、結露吸水シートとし
て、また発汗に対する吸水・吸湿性を必要とする衣料素
材などとして使用されるもので、前記吸水性を有する短
繊維ウエブ層が窓や側壁の内面あるいは肌に接して、水
分蒸散能を有する極細繊維ウエブ層は外側に位置して、
吸水性を有する短繊維ウエブ層で吸い取られた水分を前
記導水性を有する長繊維ウエブ層を介して水分蒸散能を
有する極細繊維ウエブ層に導き、この極細繊維ウエブ層
から水分を外部に蒸散させることができる。The multi-layered non-woven sheet of the present invention having the above-mentioned structure is applied to, for example, the inner surface of a window or a side wall, and is used as a dew-condensing water-absorbing sheet, or as a material for clothing that needs water-absorbing / hygroscopicity against perspiration. In the above, the short fiber web layer having the water absorption is in contact with the inner surface of the window or the side wall or the skin, and the ultrafine fiber web layer having the ability to evaporate water is located outside.
The water absorbed by the short fiber web layer having water absorbability is led to the ultrafine fiber web layer having a water evaporation ability through the long fiber web layer having water permeability, and the water is evaporated from the ultrafine fiber web layer to the outside. be able to.
【００１６】特に、本発明の多層構造不織シートを発汗
に対する吸水・吸湿性を必要とする衣料素材として使用
したとき、シートに引張力がかかろうとするが、導水性
を有する長繊維ウエブ層が内部に介在されているので、
使用時における耐引張強力が得られる。[0016] In particular, when the multi-layered nonwoven sheet of the present invention is used as a clothing material which requires water absorption and hygroscopicity against sweating, the sheet tends to have a tensile force, but has a water-permeability long fiber web layer. Is intervening inside,
The tensile strength at the time of use can be obtained.
【００１７】[0017]
【実施例】以下、本発明の実施例について、図面に基づ
いて説明する。 実施例１ 先ず、図１に示す実施例１について説明すると、１は吸
水性を有する短繊維ウエブ層で、この吸水性を有する短
繊維ウエブ層１と水分蒸散能を有する極細繊維ウエブ層
２との間に導水性を有する長繊維ウエブ層３を介在させ
て３層構造の不織シートが構成されている。Embodiments of the present invention will be described below with reference to the drawings. Example 1 First, referring to Example 1 shown in FIG. 1, reference numeral 1 is a water-absorbing short fiber web layer, and a water-absorbing short fiber web layer 1 and an ultrafine fiber web layer 2 having a water evaporation ability. A non-woven sheet having a three-layer structure is constituted by interposing a long fiber web layer 3 having water permeability between the two.
【００１８】前記吸水性を有する短繊維ウエブ層１は綿
を材料にして目付が１６０ｇ／ｍ2に構成され、また前
記導水性を有する長繊維ウエブ層３はポリエチレンテレ
フタレートを材料とする単糸繊度３デニール、目付４０
ｇ／ｍ2 の長繊維スパンボンド不織ウエブで構成され、
さらに前記水分蒸散能を有する極細繊維ウエブ層２はポ
リプロピレンを材料とする単糸繊度０．０３デニール、
目付４０ｇ／ｍ2 のメルトブロー不織ウエブで構成され
ており、これら３層のウエブ層１，３，２間を両面同時
に各水圧７０ｋｇ／ｃｍ2 の条件でウオータージェット
ニードルを施して全面交絡し、繊維間を三次元的に一体
化している。The water absorbent short fiber web layer 1 is made of cotton and has a basis weight of 160 g / m 2, and the water permeable long fiber web layer 3 is made of polyethylene terephthalate. 3 denier, weight 40
Consisting of g / m 2 long fiber spunbond nonwoven web,
Further, the ultrafine fiber web layer 2 having the ability to evaporate water has a single yarn fineness of 0.03 denier made of polypropylene.
It is composed of a melt-blown non-woven web having a basis weight of 40 g / m 2 , and the three web layers 1, 3 and 2 are entangled over the entire surface by applying water jet needles on both sides simultaneously under the conditions of water pressure of 70 kg / cm 2 . The fibers are integrated three-dimensionally.
【００１９】実施例２ 前記実施例１同様に構成される３層のウエブ層１，３，
２間を両面同時に各１０本／ｃｍ2 の条件でニードルパ
ンチを施して部分交絡し、繊維間を三次元的に一体化し
ている。Example 2 Three web layers 1, 3 constructed in the same manner as in Example 1 above
The two fibers are needle-punched under the condition of 10 fibers / cm 2 on both sides at the same time and partially entangled to three-dimensionally integrate the fibers.
【００２０】実施例３ 水分蒸散能を有する極細繊維ウエブ層２を前記実施例１
に代えて、互いに非相溶性で単糸繊度が２．５デニール
の分割型二成分複合連続長繊維がウオータージェットニ
ードル法により発現した単糸繊度が約０．１デニールの
割繊長繊維で構成している。この場合、一方の重合体は
ポリエチレンが使用され、他方の重合体はポリエチレン
テレフタレートが使用され、その複合比を１：１とし、
割繊前は放射状で全分割数が２４個になるように複合さ
れた分割型二成分複合連続長繊維が使用される。他の構
成は実施例１と同様にして不織シートを得た。Example 3 The ultrafine fiber web layer 2 having the ability to evaporate water was prepared in the same manner as in Example 1 above.
In place of the above, the split type two-component composite continuous filaments that are incompatible with each other and have a fineness of 2.5 denier are composed of split filaments having a fineness of about 0.1 denier developed by the water jet needle method. is doing. In this case, polyethylene is used for one polymer and polyethylene terephthalate is used for the other polymer, and the composite ratio is 1: 1.
Before splitting, a split type bicomponent composite continuous filament is used which is radial and is compounded so that the total number of splits is 24. A non-woven sheet was obtained in the same manner as in Example 1 except for the above points.
【００２１】実施例４ 次に、図２に示す実施例について説明すると、４は吸水
性を有する短繊維ウエブ層、５はこの短繊維ウエブ層４
に接合された導水性を有する長繊維ウエブ層で、この長
繊維ウエブ層５と水分蒸散能を有する極細繊維ウエブ層
６との間に、前記吸水性を有する短繊維ウエブ層１とは
別で前記長繊維ウエブ層５および極細繊維ウエブ層６を
構成する繊維よりも融点が３０℃以上低く前記長繊維ウ
エブ層５および極細繊維ウエブ層６の構成繊維に用いた
重合体と同系の重合体からなる繊維で構成される短繊維
ウエブ層７を介在させ、この介在された短繊維ウエブ層
７の繊維を加熱により溶融させて前記長繊維ウエブ層５
および極細繊維ウエブ層６を構成する繊維に接着させて
４層構造の不織シートが構成されている。Example 4 Next, the example shown in FIG. 2 will be described. 4 is a water absorbent short fiber web layer, 5 is this short fiber web layer 4
A water-permeable long fiber web layer bonded to the above, and between the long fiber web layer 5 and the ultrafine fiber web layer 6 having a water evaporation ability, apart from the water-absorptive short fiber web layer 1. A polymer having a melting point lower than that of the fibers constituting the long fiber web layer 5 and the ultrafine fiber web layer 6 by 30 ° C. or more, and a polymer of the same type as the polymer used for the fibers constituting the long fiber web layer 5 and the ultrafine fiber web layer 6 The short fiber web layer 7 composed of the following fibers is interposed, the fibers of the intervening short fiber web layer 7 are melted by heating, and the long fiber web layer 5 is formed.
And a non-woven sheet having a four-layer structure is formed by adhering to the fibers forming the ultrafine fiber web layer 6.
【００２２】前記吸水性を有する短繊維ウエブ層４はレ
ーヨンを材料にして目付が２１０ｇ／ｍ2 に構成され、
また前記導水性を有する長繊維ウエブ層５はポリエチレ
ンテレフタレートを材料とする単糸繊度３デニール、目
付４０ｇ／ｍ2 の長繊維スパンボンド不織ウエブで構成
され、また前記短繊維ウエブ層７は変性ポリエチレンテ
レフタレートを材料とする単糸繊度２デニールの短繊維
からなり、目付１０〜２０ｇ／ｍ2 に構成され、さらに
前記水分蒸散能を有する極細繊維ウエブ層６はポリプロ
ピレンを材料とする単糸繊度０．０３デニール、目付４
０ｇ／ｍ2 のメルトブローン法により得られる不織ウエ
ブで構成されており、前記吸水性を有する短繊維ウエブ
層４と導水性を有する長繊維ウエブ層５をニードルパン
チ法による繊維間交絡により接合した状態で、導水性を
有する長繊維ウエブ層５と水分蒸散能を有する極細繊維
ウエブ層６との間にポリエチレンテレフタレートを芯成
分とし、これより低融点の共重合ポリエチレンテレフタ
レートを鞘成分とするバインダー短繊維ウエブ層７を挟
み、この短繊維ウエブ層７の繊維を加熱により溶融させ
て前記長繊維ウエブ層５および極細繊維ウエブ層６を構
成する繊維に接着させている。The water absorbing short fiber web layer 4 is made of rayon and has a basis weight of 210 g / m 2 .
The water-permeable long fiber web layer 5 is made of polyethylene terephthalate as a single fiber fineness 3 denier and long fiber spunbond non-woven web having a basis weight of 40 g / m 2 , and the short fiber web layer 7 is modified. Single yarn fineness made of polyethylene terephthalate is made of short denier fibers having a denier of 2 denier and has a basis weight of 10 to 20 g / m 2. 0.03 denier, weight 4
It is composed of a non-woven web obtained by the melt blown method of 0 g / m 2 , and the short fiber web layer 4 having the water absorbability and the long fiber web layer 5 having the water conductance are joined by interfiber entanglement by the needle punch method. In this state, a short binder containing polyethylene terephthalate as a core component and a copolymer polyethylene terephthalate having a lower melting point as a sheath component between the long fiber web layer 5 having water permeability and the ultrafine fiber web layer 6 having water evaporation ability. The fiber web layer 7 is sandwiched, and the fibers of the short fiber web layer 7 are melted by heating and bonded to the fibers forming the long fiber web layer 5 and the ultrafine fiber web layer 6.
【００２３】実施例５ 前記実施例４の短繊維ウエブ層７に代えて、導水性を有
する長繊維ウエブ層５と水分蒸散能を有する極細繊維ウ
エブ層６との間に、ポリエチレンからなる厚み３５μの
海綿状構造の微多孔シートを介在させ、加熱により前記
微多孔シートを介して長繊維ウエブ層５と極細繊維ウエ
ブ層６とを接合させている。Example 5 In place of the short fiber web layer 7 of Example 4, between the long fiber web layer 5 having water permeability and the ultrafine fiber web layer 6 having water evaporation ability, a thickness of 35 μm made of polyethylene was used. The microfiber sheet having the sponge structure is interposed, and the long fiber web layer 5 and the ultrafine fiber web layer 6 are joined by heating through the microporous sheet.
【００２４】実施例６ 前記実施例４の短繊維ウエブ層７に代えて、ポリプロピ
レンからなるホットメルト型接着剤を用い、加熱により
前記ホットメルト型接着剤を溶融させて長繊維ウエブ層
５と極細繊維ウエブ層６とを接合させている。Example 6 Instead of the short fiber web layer 7 of Example 4, a hot-melt type adhesive made of polypropylene was used, and the hot-melt type adhesive was melted by heating to form a long fiber web layer 5 and an ultrafine fiber. The fiber web layer 6 is joined.
【００２５】[0025]
【発明の効果】以上のように本発明の多層構造不織シー
トは例えば窓や側壁の内面に貼り付けられ、結露吸水シ
ートとして、また発汗に対する吸水・吸湿性を必要とす
る衣料素材などとして使用され、前記吸水性を有する短
繊維ウエブ層が窓や側壁の内面あるいは肌に接して、水
分蒸散能を有する極細繊維ウエブ層は外側に位置して、
吸水性を有する短繊維ウエブ層で吸い取られた水分を前
記導水性を有する長繊維ウエブ層を介して水分蒸散能を
有する極細繊維ウエブ層に導き、この極細繊維ウエブ層
から水分を外部に蒸散させることができる。特に、本発
明の多層構造不織シートを発汗に対する吸水・吸湿性を
必要とする衣料素材として使用したとき、シートに引張
力がかかろうとするが、導水性を有する長繊維ウエブ層
が内部に介在されているので、使用時における耐引張強
力が得られる。また、本発明のシートは不織布で構成さ
れているので、安価に提供することができる。INDUSTRIAL APPLICABILITY As described above, the multi-layered non-woven sheet of the present invention is attached to, for example, the inner surface of a window or a side wall, and is used as a dew-condensing water-absorbing sheet, or as a clothing material that needs water-absorbing / hygroscopicity against perspiration The short fiber web layer having the water absorption is in contact with the inner surface of the window or the side wall or the skin, and the ultrafine fiber web layer having the ability to evaporate water is located outside.
The water absorbed by the short fiber web layer having water absorbability is led to the ultrafine fiber web layer having a water evaporation ability through the long fiber web layer having water permeability, and the water is evaporated from the ultrafine fiber web layer to the outside. be able to. In particular, when the multi-layered non-woven sheet of the present invention is used as a clothing material that requires water absorption and hygroscopicity against sweating, the sheet tends to have a tensile force, but a long fiber web layer having water permeability is provided inside. Since it is interposed, tensile strength during use can be obtained. Further, since the sheet of the present invention is made of non-woven fabric, it can be provided at a low cost.
【図１】本発明の実施例１における多層構造不織シート
の拡大断面図である。FIG. 1 is an enlarged cross-sectional view of a multilayer structure nonwoven sheet according to a first embodiment of the present invention.
【図２】本発明の他の実施例における多層構造不織シー
トの拡大断面図である。FIG. 2 is an enlarged cross-sectional view of a multilayer structured nonwoven sheet according to another embodiment of the present invention.
１ 吸水性を有する短繊維ウエブ層 ２ 水分蒸散能を有する極細繊維ウエブ層 ３ 導水性を有する長繊維ウエブ層 ４ 吸水性を有する短繊維ウエブ層 ５ 導水性を有する長繊維ウエブ層 ６ 水分蒸散能を有する極細繊維ウエブ層 ７ 短繊維ウエブ層 1 Short Fiber Web Layer Having Water Absorption 2 Ultrafine Fiber Web Layer Having Water Evaporation Capability 3 Long Fiber Web Layer Having Water Conduction 4 Short Fiber Web Layer Having Water Absorption 5 Long Fiber Web Layer Having Water Conduction 6 Water Evaporation Capacity Ultrafine fiber web layer 7 having a short fiber web layer
Claims (7)
性を有する長繊維ウエブ層と、水分蒸散能を有する極細
繊維ウエブ層とからなり、前記短繊維ウエブ層と極細繊
維ウエブ層との間に長繊維ウエブ層を介在させて積層さ
れてなることを特徴とする多層構造不織シート。1. A short fiber web layer having water absorbency, a long fiber web layer having water permeability, and an ultrafine fiber web layer having water evaporation ability. The short fiber web layer and the ultrafine fiber web layer are provided. A multi-layered non-woven sheet, characterized by being laminated with a long fiber web layer interposed therebetween.
を有する長繊維ウエブ層とが接合され、前記長繊維ウエ
ブ層と水分蒸散能を有する極細繊維ウエブ層との間に、
前記吸水性を有する短繊維ウエブ層とは別で前記長繊維
ウエブ層および極細繊維ウエブ層を構成する繊維よりも
低融点の繊維からなる短繊維ウエブ層を介在させ、この
介在された短繊維ウエブ層の繊維を加熱により部分的に
溶融させて前記長繊維ウエブ層および極細繊維ウエブ層
を構成する繊維に接着させてなることを特徴とする多層
構造不織シート。2. A short fiber web layer having water absorbency and a long fiber web layer having water permeability are joined together, and the long fiber web layer and the ultrafine fiber web layer having a water evaporation ability are provided.
Separately from the water-absorbing short fiber web layer, a short fiber web layer made of fibers having a melting point lower than that of the fibers forming the long fiber web layer and the ultrafine fiber web layer is interposed, and the interposed short fiber web. A multi-layered non-woven sheet, characterized in that the fibers of the layer are partially melted by heating and adhered to the fibers constituting the long fiber web layer and the ultrafine fiber web layer.
を有する長繊維ウエブ層とが接合され、前記長繊維ウエ
ブ層と水分蒸散能を有する極細繊維ウエブ層との間に、
海綿状構造の微多孔シートを介在させて積層されてなる
ことを特徴とする多層構造不織シート。3. A short fiber web layer having water absorbency and a long fiber web layer having water permeability are joined together, and the long fiber web layer and the ultrafine fiber web layer having water vapor transmissivity are provided,
A non-woven sheet having a multi-layer structure, which is laminated by interposing a microporous sheet having a spongy structure.
を有する長繊維ウエブ層とが接合され、前記長繊維ウエ
ブ層と水分蒸散能を有する極細繊維ウエブ層とをホット
メルト型接着剤を介して積層してなることを特徴とする
多層構造不織シート。4. A short fiber web layer having water absorbency and a long fiber web layer having water permeability are joined together, and the long fiber web layer and an ultrafine fiber web layer having a water evaporation ability are formed by a hot melt adhesive. A non-woven sheet having a multi-layer structure, characterized in that it is laminated via the interposing structure.
を有する長繊維ウエブ層と水分蒸散能を有する極細繊維
ウエブ層とを積層した状態で、ウオータージェットニー
ドル法により隣り合う層間の繊維を交絡させてなること
を特徴とする請求項１記載の多層構造不織シート。5. In a state in which a short fiber web layer having water absorbency, a long fiber web layer having water permeability, and an ultrafine fiber web layer having water evaporation ability are laminated, fibers between adjacent layers are formed by a water jet needle method. The multi-layered non-woven sheet according to claim 1, which is entangled.
を有する長繊維ウエブ層と水分蒸散能を有する極細繊維
ウエブ層とを積層した状態で、ニードルパンチ法により
隣り合う層間の繊維を交絡させてなることを特徴とする
請求項１記載の多層構造不織シート。6. A short fiber web layer having water absorbency, a long fiber web layer having water permeability, and an ultrafine fiber web layer having water evaporation ability are laminated, and fibers between adjacent layers are entangled by a needle punch method. The multilayer non-woven sheet according to claim 1, wherein the non-woven sheet has a multilayer structure.
互いに非相溶性で単糸繊度が１〜１２デニールの分割型
二成分複合連続長繊維からウオータージェットニードル
法により分割発現した単糸繊度が０．０５〜０．８デニ
ールの割繊長繊維からなることを特徴とする請求項５記
載の多層構造不織シート。7. An ultrafine fiber web layer having water transpiration ability has a single yarn fineness which is incompatible with each other and is separately expressed by a water jet needle method from split type two-component composite continuous filaments having a single yarn fineness of 1 to 12 denier. The multilayer non-woven sheet according to claim 5, which is composed of split long fibers having a denier of 0.05 to 0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1778993A JPH06226899A (en) | 1993-02-05 | 1993-02-05 | Multilayer structure nonwoven sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1778993A JPH06226899A (en) | 1993-02-05 | 1993-02-05 | Multilayer structure nonwoven sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06226899A true JPH06226899A (en) | 1994-08-16 |
Family
ID=11953489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1778993A Pending JPH06226899A (en) | 1993-02-05 | 1993-02-05 | Multilayer structure nonwoven sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06226899A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0768687A (en) * | 1993-09-02 | 1995-03-14 | Unitika Ltd | Laminated nonwoven structure |
| US5504924A (en) * | 1990-11-28 | 1996-04-02 | Hitachi, Ltd. | Cooling system of electronic computer using flexible members in contact with semiconductor devices on boards |
| JP2006110796A (en) * | 2004-10-13 | 2006-04-27 | Daiwabo Co Ltd | Laminate for liquid impregnated sheet for personal use |
| JP2010509508A (en) * | 2006-11-03 | 2010-03-25 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | Breathable and waterproof fabric with dyed and welded microporous layer |
| JP2013119676A (en) * | 2011-12-07 | 2013-06-17 | Shinwa Co Ltd | Sheet for cosmetic |
| JP2020172034A (en) * | 2019-04-08 | 2020-10-22 | 帝人フロンティア株式会社 | Water absorption and vaporization material |
| JP2022109193A (en) * | 2021-01-14 | 2022-07-27 | 東洋紡株式会社 | Pollution diffusion control sheet |
-
1993
- 1993-02-05 JP JP1778993A patent/JPH06226899A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5504924A (en) * | 1990-11-28 | 1996-04-02 | Hitachi, Ltd. | Cooling system of electronic computer using flexible members in contact with semiconductor devices on boards |
| JPH0768687A (en) * | 1993-09-02 | 1995-03-14 | Unitika Ltd | Laminated nonwoven structure |
| JP2006110796A (en) * | 2004-10-13 | 2006-04-27 | Daiwabo Co Ltd | Laminate for liquid impregnated sheet for personal use |
| JP2010509508A (en) * | 2006-11-03 | 2010-03-25 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | Breathable and waterproof fabric with dyed and welded microporous layer |
| JP2013119676A (en) * | 2011-12-07 | 2013-06-17 | Shinwa Co Ltd | Sheet for cosmetic |
| JP2020172034A (en) * | 2019-04-08 | 2020-10-22 | 帝人フロンティア株式会社 | Water absorption and vaporization material |
| JP2022109193A (en) * | 2021-01-14 | 2022-07-27 | 東洋紡株式会社 | Pollution diffusion control sheet |
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