JP2001040583A - Moisture permeable and water-proof fabric and its production - Google Patents

Moisture permeable and water-proof fabric and its production

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Publication number
JP2001040583A
JP2001040583A JP11213693A JP21369399A JP2001040583A JP 2001040583 A JP2001040583 A JP 2001040583A JP 11213693 A JP11213693 A JP 11213693A JP 21369399 A JP21369399 A JP 21369399A JP 2001040583 A JP2001040583 A JP 2001040583A
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JP
Japan
Prior art keywords
fabric
fibers
moisture
water
anchor
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.)
Granted
Application number
JP11213693A
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Japanese (ja)
Other versions
JP3727199B2 (en
Inventor
Hiroshi Honna
Kazunori Orii
Makoto Yoshida
吉田  誠
一憲 折居
浩 本名
Original Assignee
Teijin Ltd
帝人株式会社
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Priority to JP21369399A priority Critical patent/JP3727199B2/en
Publication of JP2001040583A publication Critical patent/JP2001040583A/en
Application granted granted Critical
Publication of JP3727199B2 publication Critical patent/JP3727199B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To provide a moisture permeable and water-proof fabric improved in moisture permeability and flexibility without spoiling required characteristics of the moisture permeable water-proof fabric such as water pressure resistance, peeling resistance between a base fabric and an elastomer, abrasion resistance of the surface, and the like. SOLUTION: In a moisture permeable and water-proof fabric in which a polyether ester-based elastomer (EL) is coated at least a part of one side surface of a fabric comprising fibers, when viewing its cross section along the thickness direction of the fabric, the bonding state of the EL and the base fabric is made to satisfy the following items at the same time; (a), fibers the outer surfaces of which are completely covered with the EL (anchor fiber) are present; (b), fibers which are anchor fibers and at least 90% of the outer surfaces has a space between the EL and the fibers (movable anchor fiber) are present; and (c), the ratio of the movable anchor fibers in the anchor fibers is at least 20%.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は、ポリエーテル−エステル系エラストマーを、繊維からなる基布の片側面にコーティングした透湿防水布帛に関する。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a moisture-permeable waterproof fabric in which a polyether-ester elastomer is coated on one side of a base fabric made of fibers.

【0002】 [0002]

【従来の技術】透湿防水布帛は、身体からの発汗による
水蒸気を衣服外へ放出しながらも、雨などの水が衣服内
に浸入することを防止するものである。この布帛は、繊
維から基布を製造する際に、基布を高密度化するだけで
は、10000mmH20以上という高い耐水圧が確保
できないことから、基布の片側面に、透湿性を有するポ
リテトラフルオロエチレン若しくはポリウレタン系エラ
ストマーなどをフィルム状態でラミネート、またはポリ
ウレタン系エラストマーについてはコートしたものが多
用されてきた。
2. Description of the Related Art A moisture-permeable waterproof cloth is designed to prevent water such as rain from penetrating into clothes, while releasing water vapor caused by sweating from the body to the outside of clothes. Poly This fabric when manufacturing the base fabric from the fibers, only densifying base fabric, since the high water pressure that 10000mmH 2 0 or more can not be secured, on one side of the base fabric, having a moisture permeability Laminated tetrafluoroethylene or polyurethane elastomers in the form of a film, or coated polyurethane elastomers have been frequently used.

【0003】しかしながら、これらの樹脂は、燃焼によ
る廃棄処理がされると、人体に有毒なガスが発生すると
いう問題を有し、環境保護の観点から、透湿防水布帛に
使用する樹脂も見直しが迫られたきていた。
[0003] However, these resins have a problem in that when disposed of by burning, toxic gases are generated in the human body. From the viewpoint of environmental protection, the resins used for moisture-permeable waterproof fabrics have also been reviewed. I was being pressed.

【0004】この対応策として、前記ポリテトラフルオ
ロエチレンフィルムまたはポリウレタン系エラストマー
フィルムの代替品として、燃焼時に有毒ガスが発生する
懸念がなく、しかも前述の樹脂と同等の柔軟性および透
湿性を有するポリエーテル−エステル系エラストマーフ
ィルムを採用することが米国特許第4493870号公
報で開示されている。しかし、この方法においても、フ
ィルムと基布との間に、剥離を防止するための接着剤が
必要であり、この接着剤は一般的にウレタン系樹脂が使
用されるので、少量ながらも有毒ガスが発生することが
あった。
As a countermeasure, as a substitute for the polytetrafluoroethylene film or the polyurethane-based elastomer film, there is no concern that toxic gas is generated at the time of combustion, and the polytetrafluoroethylene film has the same flexibility and moisture permeability as the above-mentioned resin. U.S. Pat. No. 4,493,870 discloses the use of an ether-ester elastomer film. However, even in this method, an adhesive is required between the film and the base cloth to prevent peeling, and since this adhesive is generally made of a urethane resin, a small amount of toxic gas is used. May occur.

【0005】そこで、本発明者らは、ポリエーテル−エ
ステル系エラストマーを1,3−ジオキソランに溶解
し、これを繊維からなる基布の片側面にコートした、接
着剤などを使用しない透湿防水布帛を特願平10−26
3405号公報及び特願平10−293487号公報
で、既に提案した。
Therefore, the present inventors dissolve a polyether-ester based elastomer in 1,3-dioxolane and coat it on one side of a base fabric made of fiber, which does not use an adhesive or the like. Fabric for Japanese Patent Application Hei 10-26
It has already been proposed in Japanese Patent Application No. 3405 and Japanese Patent Application No. 10-293487.

【0006】これら公報のコート層を有する透湿防水布
帛は、接着剤すら使用しないため、燃焼時に有毒ガスが
発生する懸念がなく、柔軟性、透湿性、耐水圧、基布と
エラストマーとの耐剥離性および表面の耐摩耗性とも
に、従来の樹脂を用いたものと同等若しくはそれ以上の
性能を有するものであったが、柔軟性および透湿性のさ
らなる向上が要求されてきた。
The moisture-permeable waterproof fabric having the coat layer disclosed in these publications does not use even an adhesive, so that there is no concern that toxic gas is generated at the time of combustion, flexibility, moisture permeability, water pressure resistance, and resistance between the base fabric and the elastomer. Both the releasability and the abrasion resistance of the surface were equal to or higher than those using a conventional resin, but further improvements in flexibility and moisture permeability were required.

【0007】ここで、透湿防水布帛の透湿性と柔軟性と
を向上させる手段としては、ポリエステルエラストマー
の組成変更またはコート層の厚みの薄くするなどが挙げ
られる。前者については、ポリエチレングリコールのよ
うな分子鎖内に酸素原子の占める割合が多い親水性のも
のほど透湿性が高い反面、ポリテトラメチレングリコー
ルのようなエーテル結合間のアルキル基の炭素数が多い
ものほど柔軟性が高いことから、エラストマーの組成に
よる透湿性と柔軟性の向上は相反するものであり、共に
向上させることは不可能であった。また、コート層の厚
みを薄くすることは、柔軟性と透湿性を共に高めるが、
耐水圧が低下するという問題があった。 There was a problem that the water pressure resistance decreased. Here, as means for improving the moisture permeability and the flexibility of the moisture-permeable waterproof fabric, there is a method of changing the composition of the polyester elastomer or reducing the thickness of the coat layer. For the former, hydrophilic ones with a higher proportion of oxygen atoms in the molecular chain, such as polyethylene glycol, have higher moisture permeability, but have a higher number of carbon atoms in the alkyl group between ether bonds, such as polytetramethylene glycol. The higher the flexibility, the higher the moisture permeability and the flexibility by the composition of the elastomer are contradictory, and it is impossible to improve both. Also, reducing the thickness of the coat layer increases both flexibility and moisture permeability, Here, as means for improving the moisture permeability and the flexibility of the moisture-permeable waterproof fabric, there is a method of changing the composition of the polyester elastomer or reducing the thickness of the coat layer. For the former, hydrophilic ones with a higher proportional of oxygen atoms in the molecular chain, such as polyester glycol, have higher moisture permeability, but have a higher number of carbon atoms in the alkyl group between ether bonds, such as polytetramethylene glycol. The higher the flexibility, the higher the moisture permeability And the flexibility by the composition of the elastomer are contradictory, and it is impossible to improve both. Also, reducing the thickness of the coat layer increases both flexibility and moisture permeability,
There was a problem that the water pressure resistance was reduced. There was a problem that the water pressure resistance was reduced.

【0008】そのため、耐水圧、基布とエラストマーとの耐剥離性および表面の耐摩耗性などの透湿防水布帛における要求特性を何等損なうことなく、透湿性および柔軟性を向上させた透湿防水布帛は未だ提供されていないのが現状である。 Therefore, without impairing the required characteristics of the moisture-permeable waterproof fabric such as water pressure resistance, peel resistance between the base fabric and the elastomer, and abrasion resistance of the surface, moisture-permeable waterproof having improved moisture permeability and flexibility. At present, fabrics have not been provided yet.

【0009】 [0009]

【発明が解決しようとする課題】本発明の課題は、耐水圧、基布とエラストマーとの耐剥離性および表面の耐摩耗性などの透湿防水布帛における要求特性を何等損なうことなく、透湿性および柔軟性を向上させた透湿防水布帛を提供することにある。 SUMMARY OF THE INVENTION The object of the present invention is to provide a moisture-permeable fabric without impairing the required characteristics of a moisture-permeable waterproof fabric, such as water pressure resistance, peeling resistance between the base fabric and the elastomer, and abrasion resistance of the surface. Another object of the present invention is to provide a moisture-permeable waterproof fabric having improved flexibility.

【0010】 [0010]

【課題を解決するための手段】本発明者らが鋭意研究を
重ねた結果、基布の片側面に、有機溶剤に溶解されたポ
リエステルエラストマーをコーティングする際、基布に
水を含浸させると極めて柔軟性に優れた透湿防水布帛が
得られることを見出し、本発明に到達した。
Means for Solving the Problems As a result of intensive studies conducted by the present inventors, when one side of a base fabric is coated with a polyester elastomer dissolved in an organic solvent, it is extremely difficult to impregnate the base fabric with water. The inventors have found that a moisture-permeable waterproof fabric having excellent flexibility can be obtained, and have reached the present invention.

【0011】かくして本発明によれば、繊維からなる基
布の片側面にポリエーテルエステル系エラストマー(E
L)を少なくとも部分的にコートした透湿防水布帛にお
いて、該布帛の厚み方向に沿った断面を見たとき、EL
と基布との結合状態が、 a. The state of bonding between the base cloth and the base cloth is a. ELで外表面を完全に被覆された繊維(アンカー繊維)が存在すること; b. There are fibers (anchor fibers) whose outer surface is completely covered with EL; b. アンカー繊維であって、且つ、外表面の少なくとも90%がELとの間に空隙を有する繊維(可動アンカー繊維)が存在すること;および c. There are fibers (movable anchor fibers) that are anchor fibers and at least 90% of the outer surface has gaps with the EL; and c. アンカー繊維中に占める可動アンカー繊維の割合が、本数を基準として、少なくとも20%であることを同時に具備することを特徴とする透湿防水布帛が提供される。 Provided is a moisture permeable waterproof fabric characterized in that the ratio of movable anchor fibers to the anchor fibers is at least 20% at the same time based on the number of fibers. Thus, according to the present invention, a polyetherester-based elastomer (E Thus, according to the present invention, a conductorester-based elastomer (E
When a cross section along the thickness direction of the moisture-permeable waterproof cloth at least partially coated with L) is seen, EL When a cross section along the thickness direction of the moisture-permeable waterproof cloth at least partially coated with L) is seen, EL
And the bonding state between the base cloth and the base cloth: a. Presence of fibers (anchor fibers) whose outer surface is completely covered with EL; b. The presence of anchor fibers, wherein at least 90% of the outer surface has a void between it and the EL (movable anchor fibers); and c. A moisture-permeable waterproof fabric is provided, wherein the proportion of the movable anchor fibers in the anchor fibers is at least 20% based on the number of the anchor fibers at the same time. And the bonding state between the base cloth and the base cloth: a. Presence of fibers (anchor fibers) whose outer surface is completely covered with EL; b. The presence of anchor fibers, wherein at least 90% of the outer surface has a void between it and the EL (movable anchor fibers); and c. A moisture-permeable waterproof fabric is provided, wherein the proportion of the movable anchor fibers in the anchor fibers is at least 20% based on the number of the anchor fibers at the same time.

【0012】さらに、本発明によれば、繊維からなる基布の片側面に、ELを有機溶剤に溶解させた溶液をコーティングする際、基布重量を基準として、該基布に0.
5〜50wt%の水を含浸させておくことを特徴とする透湿防水布帛の製造方法も提供される。 Also provided is a method of making a moisture permeable waterproof fabric, characterized in that it is impregnated with 5 to 50 wt% water. Further, according to the present invention, when one side of a base cloth made of fiber is coated with a solution in which EL is dissolved in an organic solvent, the base cloth is coated with 0.1% based on the weight of the base cloth. Further, according to the present invention, when one side of a base cloth made of fiber is coated with a solution in which EL is dissolved in an organic solvent, the base cloth is coated with 0.1% based on the weight of the base cloth.
There is also provided a method for producing a moisture-permeable waterproof fabric, characterized in that the fabric is impregnated with 5 to 50 wt% of water. There is also provided a method for producing a moisture-permeable waterproof fabric, characterized in that the fabric is impregnated with 5 to 50 wt% of water.

【0013】 [0013]

【発明の実施の形態】本発明の透湿防水布帛は、繊維か
らなる基布の片側面にポリエーテルエステル系エラスト
マー(EL)からなるコート層を少なくとも部分的に形
成した透湿防水布帛に、以下のa〜cのようなELと基
布との結合状態を具備させたものである。
BEST MODE FOR CARRYING OUT THE INVENTION The moisture-permeable waterproof fabric of the present invention is a moisture-permeable waterproof fabric obtained by forming a coat layer made of a polyetherester-based elastomer (EL) on one side of a base fabric made of fibers at least partially. It is provided with a bonding state between EL and base cloth as shown in the following a to c.

【0014】すなわち、該布帛の厚み方向に裁断した断
面を見たとき、 a.ELで外表面を完全に被覆された繊維(アンカー繊
維)が存在すること; b.アンカー繊維であって、且つ、外表面の少なくとも
90%がELとの間に空隙を有する繊維(可動アンカー
繊維)が存在すること;および c.アンカー繊維中に占める可動アンカー繊維の割合
が、本数を基準として、少なくとも20%であること が必要である。なお、本発明の透湿防水布帛は、防水性
を高めることから、通常は、基布の片側面全体にELを
コーティングするが、衣服の縫い目などのように水が侵
入し易い箇所だけを、コーティングしたものも含む。
That is, when the cross section cut in the thickness direction of the cloth is viewed, a. Presence of fibers (anchor fibers) whose outer surface is completely covered with EL; b. The presence of anchor fibers, wherein at least 90% of the outer surface has a void between it and the EL (movable anchor fibers); and c. It is necessary that the percentage of the movable anchor fibers in the anchor fibers is at least 20% based on the number of the movable anchor fibers. In addition, the moisture-permeable waterproof fabric of the present invention is usually coated with EL on one side of the base fabric in order to enhance waterproofness, but only the portions where water easily enters, such as seams of clothes, Includes those coated.

【0015】以下、a〜cの要件について説明する。要
件−aは、基布とELとの間の剥離強度を維持すること
から必要である。すなわち、ELにより外表面を完全に
被覆された繊維(アンカー繊維)は、基布とELとを離
れないように結び付けておく役割をほとんどになってお
り、このことから、該繊維はELを基布に留めるアンカ
ーとして機能していると言える。
The requirements a to c will be described below. Requirement -a is necessary to maintain the peel strength between the base fabric and the EL. In other words, the fiber (anchor fiber) whose outer surface is completely covered by EL plays a role of binding the base fabric and the EL so as not to be separated from each other. Therefore, the fiber is based on the EL. It can be said that it functions as an anchor to the cloth.

【0016】そのため、該アンカー繊維が存在しない場
合は、基布を構成する繊維とELとの界面の結合力だけ
であるため、実用に耐え得る剥離強度の透湿防水布帛が
得られない。なお、ここでいう実用に耐え得る剥離強度
とは、少なくとも300g/25mmを意味し、好まし
くは300〜1500g/25mmの範囲である。
[0016] Therefore, when the anchor fiber is not present, only the bonding force at the interface between the fiber constituting the base fabric and the EL is obtained, and a moisture-permeable waterproof fabric having a peel strength that can withstand practical use cannot be obtained. Note that the peel strength that can withstand practical use here means at least 300 g / 25 mm, and preferably in the range of 300 to 1500 g / 25 mm.

【0017】要件−bは、本発明の最大の特徴であり、
基布とELとの間の剥離強度を維持しながらも、柔軟な
透湿防水布帛とするためのものである。すなわち、該ア
ンカー繊維を微少ながらも揺動可能にすることで、該ア
ンカー繊維による剥離強度向上効果は残したまま、得ら
れる透湿防水布帛の柔軟性を高めたのである。ここで、
外表面の少なくとも90%がELとの間に空隙を有するとは、該アンカー繊維を揺動可能にする上で必要であり、該アンカー繊維の外表面が、10%を越えてELと直に接していたのでは、該アンカー繊維の揺動できない。 It is necessary that at least 90% of the outer surface has a gap with the EL in order to make the anchor fiber swingable, and the outer surface of the anchor fiber exceeds 10% directly with the EL. If they are in contact with each other, the anchor fiber cannot swing. なお、以後の説明の理解を容易にするために、外表面が10%を越えてELと直に接しているアンカー繊維を非可動アンカー繊維と称する。 In addition, in order to facilitate understanding of the following description, an anchor fiber whose outer surface exceeds 10% and is in direct contact with the EL is referred to as a non-movable anchor fiber. Requirement-b is the most important feature of the present invention, Requirement-b is the most important feature of the present invention,
This is to provide a flexible moisture-permeable and waterproof fabric while maintaining the peel strength between the base fabric and the EL. That is, by making the anchor fiber swingable even though it is very small, the flexibility of the obtained moisture-permeable waterproof fabric is enhanced while the peel strength improving effect of the anchor fiber remains. here, This is to provide a flexible moisture-permeable and waterproof fabric while maintaining the peel strength between the base fabric and the EL. That is, by making the anchor fiber swingable even though it is very small, the flexibility of the obtained moisture-permeable waterproof fabric is enhanced while the peel strength improving effect of the anchor fiber remains. Here,
The fact that at least 90% of the outer surface has a gap between the EL and the EL is necessary so that the anchor fiber can swing, and the outer surface of the anchor fiber directly exceeds 10% of the EL. If they are in contact, the anchor fibers cannot swing. In order to facilitate the understanding of the following description, anchor fibers having an outer surface exceeding 10% and directly in contact with EL are referred to as non-movable anchor fibers. The fact that at least 90% of the outer surface has a gap between the EL and the EL is necessary so that the anchor fiber can swing, and the outer surface of the anchor fiber directly exceeds 10% of the EL. If they are in contact, the anchor fibers cannot swing. In order to facilitate the understanding of the following description, anchor fibers having an outer surface exceeding 10% and directly in contact with EL are referred to as non-movable anchor fibers.

【0018】要件−Cは、上述の可動アンカー繊維によ
る柔軟性向上を発現させるのに必要なアンカー繊維中に
占める可動アンカー繊維の割合である。すなわち、アン
カー繊維中に占める可動アンカー繊維の割合が、本数を
基準として、20%未満では、柔軟性の向上が不十分で
あり、より好ましくは30%以上である。他方、上限に
ついては、ELと基布との面方向における滑りを抑制す
ることから、高々80%が好ましい。
Requirement-C is the ratio of the movable anchor fibers to the anchor fibers necessary for exhibiting the improvement in flexibility by the above-mentioned movable anchor fibers. That is, if the ratio of the movable anchor fibers to the anchor fibers is less than 20% based on the number, the improvement in flexibility is insufficient, and more preferably 30% or more. On the other hand, the upper limit is preferably at most 80% from the viewpoint of suppressing the slip between the EL and the base cloth in the surface direction.

【0019】ここで、アンカー繊維および可動アンカー
繊維の測定は、透湿防水布帛の厚み方向に沿って裁断し
たときの断面を、電子顕微鏡によって1500倍に拡大
し、該断面中の、ELによって完全に外表面を被覆され
た繊維の横断面の個数を100個測定し、その中に含ま
れる繊維の外表面の90%以上がELとの間に空気など
の空隙を有する繊維の横断面の個数を測定した。
In the measurement of the anchor fiber and the movable anchor fiber, the section taken along the thickness direction of the moisture-permeable waterproof cloth was enlarged 1500 times by an electron microscope, and the section was completely measured by EL in the section. The number of cross-sections of fibers whose outer surfaces are covered with 100 is measured, and 90% or more of the outer surfaces of the fibers contained therein have a void such as air between them and EL. Was measured.

【0020】なお、ここでいう繊維の横断面とは、繊維
軸に沿った断面では、ELに被覆されているのかどうか
が判別し難いので、繊維の繊維軸に対して60〜120
度の範囲にある面を意味する。そのため、例えば織物の
場合は、経糸に垂直な断面と緯糸に垂直な断面の2つを
測定した。
The term "cross-section of the fiber" as used herein means that it is difficult to determine whether or not the fiber is covered with EL in a section along the fiber axis.
A surface in the range of degrees is meant. Therefore, in the case of a woven fabric, for example, two sections, a section perpendicular to the warp and a section perpendicular to the weft, were measured.

【0021】具体的に図1および図2を参照して、繊維
の横断面を説明する。図1は本発明の防水布帛の断面を
1500倍に拡大した写真を図示したものであり、図2
は従来の透湿防水布帛の断面を1500倍に拡大した写
真を図示したものである。図1および図2中の、1は基
布、2はエラストマー、3は空隙、4が外表面の90%
以上がELとの間に空隙を有する可動アンカー繊維、および5が非可動アンカー繊維である。 The above is a movable anchor fiber having a gap between the EL and the EL, and 5 is a non-movable anchor fiber. 図2の断面写真には、4(可動アンカー繊維)は見受けられず、ほとんどが5(非可動アンカー繊維)であるのに対し、図1の断面には、4(揺動可能な繊維の横断面)が多数存在することが容易に理解されるはずである。 In the cross-sectional photograph of FIG. 2, 4 (movable anchor fiber) is not found and most of them are 5 (non-movable anchor fiber), whereas in the cross section of FIG. 1, 4 (crossing of swingable fiber). It should be easily understood that there are many faces). Referring specifically to FIGS. 1 and 2, the cross section of the fiber will be described. FIG. 1 shows a photograph in which a cross section of the waterproof fabric of the present invention is magnified 1500 times, and FIG. 1 and 2, the cross section of the fiber will be described. FIG. 1 shows a photograph in which a cross section of the waterproof fabric of the present invention is magnified 1500 times, and FIG.
Fig. 1 shows a photograph in which a cross section of a conventional moisture-permeable waterproof fabric is enlarged 1500 times. 1 and 2, 1 is a base cloth, 2 is an elastomer, 3 is a void, and 4 is 90% of the outer surface. Fig. 1 shows a photograph in which a cross section of a conventional moisture-permeable waterproof fabric is enlarged 1500 times. 1 and 2, 1 is a base cloth, 2 is an elastomer, 3 is a void, and 4 is 90% of the outer surface.
The above is the movable anchor fiber having a gap between itself and the EL, and 5 is the non-movable anchor fiber. In the cross-sectional photograph of FIG. 2, 4 (movable anchor fiber) is not found, and most of them are 5 (non-movable anchor fiber), whereas in the cross section of FIG. It should be readily understood that there are a number of faces). The above is the movable anchor fiber having a gap between itself and the EL, and 5 is the non-movable anchor fiber. In the cross-sectional photograph of FIG. 2, 4 (movable anchor fiber) is not found, and most of They are 5 (non-movable anchor fiber), therefore in the cross section of FIG. It should be readily understood that there are a number of faces).

【0022】本発明におけるELのコート層について、
以下に述べる。 It will be described below. 本発明でいうELは、ポリアルキレングリコール残基、アルキレングリコール残基およびジカルボン酸残基からなり、全グリコール残基中に占めるポリアルキレングリコールの重量割合は、柔軟性や透湿性を確保する上から30wt%以上が好ましく、他方、実用に耐え得る耐摩耗性や融点を確保する上から、70%以下が好ましい。 The EL referred to in the present invention is composed of a polyalkylene glycol residue, an alkylene glycol residue and a dicarboxylic acid residue, and the weight ratio of the polyalkylene glycol to the total glycol residues is from the viewpoint of ensuring flexibility and moisture permeability. It is preferably 30 wt% or more, and on the other hand, 70% or less is preferable from the viewpoint of ensuring wear resistance and melting point that can withstand practical use. また、ELの固有粘度については、皮膜形成性及びコート層の皮膜強度などのことから、0.8 The intrinsic viscosity of EL is 0.8 because of the film formability and the film strength of the coat layer.
〜1.4dl/gの範囲が好ましい。 The range of ~ 1.4 dl / g is preferable. Regarding the EL coating layer in the present invention, Regarding the EL coating layer in the present invention,
It is described below. EL in the present invention is composed of a polyalkylene glycol residue, an alkylene glycol residue, and a dicarboxylic acid residue, and the weight ratio of the polyalkylene glycol in all the glycol residues is from the viewpoint of securing flexibility and moisture permeability. The content is preferably 30% by weight or more, and on the other hand, from the viewpoint of securing abrasion resistance and melting point that can withstand practical use, 70% or less is preferable. In addition, the intrinsic viscosity of EL is 0.8 0.8 from the viewpoint of film forming property and film strength of the coating layer. It is described below. EL in the present invention is composed of a poly reproduced glycol residue, an silicate glycol residue, and a dicarboxylic acid residue, and the weight ratio of the poly reproduced glycol in all the glycol residues is from the viewpoint of securing flexibility and moisture permeability. The content is preferably 30% by weight or more, and on the other hand, from the viewpoint of securing abrasion resistance and melting point that can withstand practical use, 70% or less is preferred. In addition, the intrinsic dicarboxylic acid of EL is 0.8 0.8 from the viewpoint of film forming property and film strength of the coating layer.
The range of -1.4 dl / g is preferred. The range of -1.4 dl / g is preferred.

【0023】具体的には、ポリアルキレングリコールとしては、ポリエチレングリコール、ポリ1,2−プロピレングリコール、ポリ1,3−プロピレングリコール、
ポリテトラメチレングリコール、エチレンオキシドとプロピレンオキシドとの共重合体、またはエチレンオキシドとテトラヒドロフランとの共重合体などが挙げられ、 Examples include polytetramethylene glycol, a copolymer of ethylene oxide and propylene oxide, or a copolymer of ethylene oxide and tetrahydrofuran.
その分子量は、柔軟性と耐摩耗性などの機械的物性を維持する上から、600〜8000の範囲にあることが好ましい。 Its molecular weight is preferably in the range of 600 to 8000 from the viewpoint of maintaining mechanical properties such as flexibility and wear resistance. アルキレングリコールとしては、エチレングリコール、トリメチレングリコールまたはテトラメチレングリコールなどが挙げられる。 Examples of the alkylene glycol include ethylene glycol, trimethylene glycol, tetramethylene glycol and the like. Specifically, polyalkylene glycols include polyethylene glycol, poly-1,2-propylene glycol, poly-1,3-propylene glycol, Specifically, poly sintered glycols include polyethylene glycol, poly-1,2-propylene glycol, poly-1,3-propylene glycol,
Polytetramethylene glycol, a copolymer of ethylene oxide and propylene oxide, or a copolymer of ethylene oxide and tetrahydrofuran, and the like, Polytetramethylene glycol, a copolymer of ethylene oxide and propylene oxide, or a copolymer of ethylene oxide and digest, and the like,
The molecular weight is preferably in the range of 600 to 8000 from the viewpoint of maintaining mechanical properties such as flexibility and abrasion resistance. Examples of the alkylene glycol include ethylene glycol, trimethylene glycol, and tetramethylene glycol. The molecular weight is preferably in the range of 600 to 8000 from the viewpoint of maintaining mechanical properties such as flexibility and abrasion resistance. Examples of the similarly glycol include ethylene glycol, trimethylene glycol, and tetramethylene glycol.

【0024】また、ジカルボン酸としては、テレフタル
酸、イソフタル酸、フタル酸、ナフタレン−2,6−ジ
カルボン酸、ナフタレン−2,7−ジカルボン酸、ジフ
ェニル−4,4'−ジカルボン酸、ジフェノキシエタンジ
カルボン酸、3−スルホイソフタル酸ナトリウム等の芳
香族ジカルボン酸、1,4−シクロヘキサンジカルボン
酸、コハク酸、シュウ酸、アジピン酸、セバシン酸、ド
デカンジ酸、ダイマー酸またはこれらのエステル形成性
誘導体などが挙げられ、好ましくはテレフタル酸、イソ
フタル酸、ナフタレン−2,6−ジカルボン酸またはこ
れらのエステル形成誘導体である。
The dicarboxylic acids include terephthalic acid, isophthalic acid, phthalic acid, naphthalene-2,6-dicarboxylic acid, naphthalene-2,7-dicarboxylic acid, diphenyl-4,4'-dicarboxylic acid, diphenoxyethane Aromatic dicarboxylic acids such as dicarboxylic acid and sodium 3-sulfoisophthalate, 1,4-cyclohexanedicarboxylic acid, succinic acid, oxalic acid, adipic acid, sebacic acid, dodecanediic acid, dimer acid, and ester-forming derivatives thereof, and the like. And preferably terephthalic acid, isophthalic acid, naphthalene-2,6-dicarboxylic acid or an ester-forming derivative thereof.

【0025】好ましいELとしては、ELをコーティン
グしたことによる透湿性の低下を補って、更に十分な透
湿性を確保するために、ポリアルキレングリコール残基
中にポリエチレングリコール残基が、少なくとも50モ
ル%、より好ましくは80〜100モル%の範囲で占め
るものである。また、耐摩耗性を確保する向上すること
から、該アルキレングリコール残基中に占めるエチレン
グリコール残基の割合が30モル%以上のものが好まし
く、他方、上限については、高々70モル%である。さ
らに、該ELに柔軟性を付与できることから、該アルキ
レングリコール残基中にテトラメチレングリコール残基
を混在させたものが好ましい。特に好ましいのは、該ア
ルキレングリコール残基が、エチレングリコール残基と
とテトラメチレングリコール残基とで構成され、両者の
モル比が、50:50〜35:65の範囲にあるもので
ある。
As a preferable EL, in order to compensate for a decrease in moisture permeability due to coating of the EL and to secure a sufficient moisture permeability, at least 50 mol% of polyethylene glycol residues are contained in the polyalkylene glycol residues. , More preferably in the range of 80 to 100 mol%. Further, in order to improve the abrasion resistance, the proportion of the ethylene glycol residue in the alkylene glycol residue is preferably at least 30 mol%, and the upper limit is at most 70 mol%. Further, it is preferable that the alkylene glycol residue is mixed with a tetramethylene glycol residue because flexibility can be imparted to the EL. It is particularly preferred that the alkylene glycol residue is composed of an ethylene glycol residue and a tetramethylene glycol residue, and the molar ratio of both is in the range of 50:50 to 35:65.

【0026】ところで、コート層は上記ELの単一層で
も良いが、上記のようなELは、透湿性や耐摩耗性に優
れる反面、皮膜形成性が乏しいことから、該ELと基布
との間に組成の異なる、すなわち、皮膜形成性に優れた
他のELからなるコート層を形成せしめた多層コートが
好ましい。これは、皮膜形成性に優れたELコート層の
外表面に透湿性の優れたコート層を形成するので、該透
湿性の優れたELの皮膜形成性が乏しくても、均一な厚
みのコート層が形成できるからである。
The coating layer may be a single layer of the above-mentioned EL. However, the above-mentioned EL is excellent in moisture permeability and abrasion resistance, but has poor film-forming properties. Preferably, a multilayer coat having a different composition, that is, a coat layer formed of another EL having excellent film-forming properties is formed. This is because a coating layer having excellent moisture permeability is formed on the outer surface of the EL coating layer having excellent film forming properties. Therefore, even if the film forming property of the EL having excellent moisture permeability is poor, a coating layer having a uniform thickness is obtained. Is formed.

【0027】皮膜形成性に優れたELとしては、ポリア
ルキレングリコール残基中のポリテトラメチレングリコ
ール残基の割合が、少なくとも90モル%を占めるもの
が好ましく、また、アルキレングリコール残基中のテト
ラメチレングリコールの割合が、少なくとも80モル%
を占めるものが好ましい。
As the EL having excellent film-forming properties, those in which the proportion of polytetramethylene glycol residues in the polyalkylene glycol residues accounts for at least 90 mol% are preferable. The proportion of glycol is at least 80 mol%
Are preferred.

【0028】なお、多層コートの場合、全ELのコート
量中に占める皮膜形成性に優れたコート層の割合は、重
量を基準として、5〜40wt%の範囲にあることが好
ましい。該コート量が5wt%未満では、皮膜形成性に
優れたELによる効果が十分に発現されなず、他方、4
0wt%を越えてコートしても皮膜形成性の向上は飽和
状態に近い。
In the case of a multi-layer coating, the proportion of the coating layer having excellent film-forming properties in the total coating amount of EL is preferably in the range of 5 to 40 wt% based on the weight. If the coating amount is less than 5 wt%, the effect of EL having excellent film-forming properties is not sufficiently exhibited, while
Even if the coating is performed in excess of 0 wt%, the improvement of the film forming property is close to the saturated state. Even if the coating is performed in excess of 0 wt%, the improvement of the film forming property is close to the saturated state.

【0029】勿論、これらのELはの各種安定剤、紫外線吸収剤等必要に応じて配合されていてもよい。 Of course, these ELs may be blended with various stabilizers, ultraviolet absorbers and the like as required.

【0030】本発明における基布について、以下述べる。本発明で用いる基布を構成する繊維は、ポリエステル繊維、ポリアミド繊維、ポリアクリロニトリル繊維、
ポリビニル繊維、アセテート繊維、またはこれらに一部木綿などの天然繊維を混合した繊維が挙げられる。 Examples thereof include polyvinyl fibers, acetate fibers, and fibers obtained by mixing these with natural fibers such as cotton. 好ましくは、ポリエチレンテレフタレート、ポリトリメチレンテレフタレート、ポリブチレンテレフタレート、ポリエチレンナフタレートまたはそれらに第3成分を共重合もしくは配合したポリマーからなるポリエステル繊維で、該繊維を用いれば、コート層もポリエステルであることから、リサイクルが非常に容易になる。 Preferably, it is a polyester fiber composed of polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, or a polymer copolymerized or blended with a third component thereof, and if the fiber is used, the coat layer is also polyester. Therefore, recycling becomes very easy. The base fabric according to the present invention will be described below. The fibers constituting the base fabric used in the present invention are polyester fibers, polyamide fibers, polyacrylonitrile fibers, The base fabric according to the present invention will be described below. The fibers respectively the base fabric used in the present invention are polyester fibers, polyamide fibers, polyacrylonitrile fibers,
Examples thereof include polyvinyl fibers, acetate fibers, and fibers partially mixed with natural fibers such as cotton. Preferably, it is a polyester fiber made of polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate or a polymer obtained by copolymerizing or blending the third component thereof, and if the fiber is used, the coat layer is also made of polyester. From this, recycling becomes very easy. Examples thereof include enzymes fibers, acetate fibers, and fibers partially mixed with natural fibers such as cotton. Thus, it is a polyester fiber made of polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate or a polymer obtained by copolymerizing or blending the third From this, recycling becomes very easy. Component thereof, and if the fiber is used, the coat layer is also made of polyester.

【0031】また該繊維の形態としては、連続マルチフィラメント、短繊維または紡績糸が挙げられ、取扱い性が優れていることから、連続マルチフィラメントが好ましい。このような繊維の単繊維繊度は、通常0.01〜
2.23dtexの範囲にあり、連続マルチフィラメントまたは紡績糸の場合のトータル繊度は、通常33〜3 In the range of 2.23 dtex, the total fineness in the case of continuous multifilament or spun yarn is usually 33-3.
33dtexの範囲である。 It is in the range of 33 dtex. Examples of the form of the fibers include continuous multifilaments, short fibers and spun yarns, and continuous multifilaments are preferred because of their excellent handleability. The single fiber fineness of such fibers is usually 0.01 to Examples of the form of the fibers include continuous multifilaments, short fibers and spun yarns, and continuous multifilaments are preferred because of their excellent handleability. The single fiber fineness of such fibers is usually 0.01 to
It is in the range of 2.23 dtex, and the total fineness in the case of continuous multifilament or spun yarn is usually 33 to 3 It is in the range of 2.23 dtex, and the total fineness in the case of continuous multifilament or spun yarn is usually 33 to 3
The range is 33 dtex. The range is 33 dtex.

【0032】このような繊維からなる基布の形態として
は、連続マルチフィラメントもしくは紡績糸からなる織
編物、または、連続フィラメントもしくは短繊維からな
る不織布が挙げられる。好ましくは基布自体の耐水圧を
高める、すなわち高密度化し易い連続マルチフィラメン
トからなる織編物、その中でも単繊維繊度が0.01〜
2.23dtexの連続マルチフィラメントからなる織物である。 It is a woven fabric composed of 2.23 dtex continuous multifilaments. Examples of the form of the base fabric composed of such fibers include a woven or knitted fabric composed of continuous multifilaments or spun yarn, and a nonwoven fabric composed of continuous filaments or short fibers. Preferably, the woven or knitted fabric composed of continuous multifilaments, which increases the water pressure resistance of the base fabric itself, that is, is easily densified, among which the single fiber fineness is 0.01 to Examples of the form of the base fabric composed of such fibers include a woven or knitted fabric composed of continuous multifilaments or spun yarn, and a conventionally fabric composed of continuous filaments or short fibers. Thus, the woven or knitted fabric composed of continuous multifilaments, which increases the water pressure resistance of the base fabric itself, that is, is easily densified, among which the single fiber fineness is 0.01 to
It is a woven fabric composed of 2.23 dtex continuous multifilaments. It is a woven fabric composed of 2.23 dtex continuous multifilaments.

【0033】また、このような基布は、高度の耐水圧を
付与する上で、斯界で公知の撥水処理加工を施したもの
が好ましい。
Further, such a base fabric is preferably subjected to a water-repellent treatment known in the art in order to impart high water pressure resistance.

【0034】次に、もう一つの本発明である、透湿防水
布帛の製造方法について、以下に述べる。本発明の透湿
防水布帛は、ELを溶解可能な有機溶剤で溶解した溶液
を、基布重量を基準として0.5〜50wt%の水を含
浸させた繊維からなる基布の片側面にコーティングした
後、該溶剤を乾式法または湿式法により除去することで
得られる。ここで、最も重要なことは、ELのコーティ
ングに先立ち、基布に0.5〜50wt%の水を含浸さ
せておくことで、これにより、ELが繊維を被覆する
際、ELと繊維との接触が抑制され、可動アンカー繊維
が生起するのである。
Next, another method of manufacturing a moisture-permeable waterproof fabric according to the present invention will be described below. The moisture-permeable waterproof fabric of the present invention is obtained by coating a solution obtained by dissolving an organic solvent capable of dissolving EL on one side of a base fabric made of fibers impregnated with water of 0.5 to 50 wt% based on the weight of the base fabric. After that, the solvent is removed by a dry method or a wet method. Here, the most important thing is to impregnate the base cloth with 0.5 to 50 wt% of water before coating the EL, whereby when the EL is coated with the fiber, the EL and the fiber Contact is suppressed and movable anchor fibers are generated.

【0035】そのため、水が、0.5wt%未満では、
可動アンカー繊維が生起せず、他方、50wt%を越え
て、水を含浸させると、ELの基布中への浸透が進行せ
ず実用に耐え得る剥離強度が得られない。
Therefore, if the water content is less than 0.5 wt%,
If the movable anchor fiber does not occur and, on the other hand, is impregnated with water in an amount exceeding 50% by weight, the permeation of the EL into the base fabric does not progress, and a peel strength that can withstand practical use cannot be obtained.

【0036】本発明で用いる有機溶剤としては、ジメチ
ルホルムアミド、ジオキサン、エチレンホルマール、ト
ルエン、クロロホルム、塩化メチレンまたはこれらの混
合物が挙げられる。好ましくは、沸点が低く、毒性が少
ない1,3−ジオキソランである。また、有機溶剤への
ELの溶解は、該溶剤の重量を基準としてELを2〜3
0重量%溶解すれば良く、好ましくは50〜65℃の有機溶剤に、5〜20重量%溶解したものである。 It may be dissolved in 0% by weight, preferably 5 to 20% by weight in an organic solvent at 50 to 65 ° C. The organic solvent used in the present invention includes dimethylformamide, dioxane, ethylene formal, toluene, chloroform, methylene chloride or a mixture thereof. Preferably, 1,3-dioxolane has a low boiling point and low toxicity. In addition, the dissolution of EL in an organic solvent is based on the weight of the solvent. The organic solvent used in the present invention includes dimethylformamide, dioxane, ethylene formal, toluene, chloroform, methylene chloride or a mixture thereof. Thus, 1,3-dioxolane has a low boiling point and low toxicity. in an organic solvent is based on the weight of the solvent.
It may be dissolved in 0% by weight, preferably 5 to 20% by weight in an organic solvent at 50 to 65 ° C. It may be dissolved in 0% by weight, preferably 5 to 20% by weight in an organic solvent at 50 to 65 ° C.

【0037】本発明で用いる水としては、基布中への浸透性を高めるために、界面活性剤を0.05〜5wt%
の範囲で含んだものが好ましく、また、コーティングの際の有機溶剤に溶解したEL溶液の濃度を安定させるために、ELを溶解するのに用いた有機溶剤を、5〜50 In order to stabilize the concentration of the EL solution dissolved in the organic solvent at the time of coating, the organic solvent used for dissolving EL is 5 to 50.
wt%の範囲で含んだものが好ましい。 Those containing in the range of wt% are preferable. 該有機溶剤の割合が、5wt%未満では、EL溶液へ基布中の水が浸透し易く、EL溶液の濃度が安定し難い。 If the proportion of the organic solvent is less than 5 wt%, the water in the base cloth easily permeates into the EL solution, and the concentration of the EL solution is difficult to stabilize. 他方、50wt On the other hand, 50 wt
%を越えて添加すると、ELが基布の内側へ過度に浸透し易くなり、均一な厚みのコート層とし難い。 If it is added in excess of%, EL tends to excessively penetrate into the inside of the base cloth, and it is difficult to form a coat layer having a uniform thickness. このような基布中の水の量、界面活性剤または有機溶剤量を適宜選択して、コーティング時の基布中へのELの浸透を制御する。 The amount of water in the base cloth, the amount of the surfactant or the organic solvent is appropriately selected to control the penetration of EL into the base cloth at the time of coating. As the water used in the present invention, a surfactant is used in an amount of 0.05 to 5% by weight in order to increase the permeability into the base fabric. As the water used in the present invention, a surfactant is used in an amount of 0.05 to 5% by weight in order to increase the permeability into the base fabric.
In order to stabilize the concentration of the EL solution dissolved in the organic solvent at the time of coating, the organic solvent used for dissolving the EL is preferably 5 to 50%. In order to stabilize the concentration of the EL solution dissolved in the organic solvent at the time of coating, the organic solvent used for utilizing the EL is preferably 5 to 50%.
Those containing in the range of wt% are preferred. If the ratio of the organic solvent is less than 5 wt%, water in the base cloth easily permeates into the EL solution, and the concentration of the EL solution is hardly stabilized. On the other hand, 50wt Those containing in the range of wt% are preferred. If the ratio of the organic solvent is less than 5 wt%, water in the base cloth easily permeates into the EL solution, and the concentration of the EL solution is hardly stabilized. On the other hand, 50wt
%, The EL tends to excessively penetrate into the inside of the base fabric, making it difficult to form a coat layer having a uniform thickness. The amount of water, surfactant or organic solvent in the base cloth is appropriately selected to control the permeation of EL into the base cloth during coating. %, The EL tends to excessively penetrate into the inside of the base fabric, making it difficult to form a coat layer having a uniform thickness. The amount of water, surfactant or organic solvent in the base cloth is appropriately selected to control the permeation of EL into the base cloth during coating.

【0038】本発明で用いる基布の片側面に前述の有機
溶剤に溶解したEL溶液をコーティングする方法として
は、ナイフコーター法、またはコンマコーター法等が採
用できる。該コート量としては、有機溶剤を除去したE
Lの固形分の重量で、5.3〜53g/m 2の範囲が好ましく、特に10〜35g/m 2の範囲が好ましい。 By weight of the solid content of the L, preferably in the range of 5.3~53g / m 2, in particular in the range of 10~35g / m 2 is preferred. 該コート量が、5.3g/m 2未満では、均一な厚みのコート層が得られ難く、耐水圧が低下し易い。 If the coating amount is less than 5.3 g / m 2, it is difficult to obtain a coating layer having a uniform thickness, and the water pressure resistance tends to decrease. 他方、該コート量が53g/m 2を越えると、コート層が厚すぎて柔軟な透湿防水布帛とはし難い。 On the other hand, when the coating amount exceeds 53 g / m 2 , the coat layer is too thick and it is difficult to obtain a flexible moisture-permeable waterproof fabric. As a method for coating one side of the base fabric used in the present invention with the EL solution dissolved in the above-mentioned organic solvent, a knife coater method, a comma coater method, or the like can be employed. The coating amount was determined by removing E from the organic solvent. As a method for coating one side of the base fabric used in the present invention with the EL solution dissolved in the above-mentioned organic solvent, a knife coater method, a comma coater method, or the like can be employed. The coating amount was determined by removing E from the organic solvent.
By weight of the solid content of the L, preferably in the range of 5.3~53g / m 2, in particular in the range of 10~35g / m 2 is preferred. If the coating amount is less than 5.3 g / m 2, it is difficult to obtain a coat layer having a uniform thickness, and the water pressure resistance tends to decrease. On the other hand, when the coating amount exceeds 53 g / m 2 , the coating layer is too thick and it is difficult to form a flexible moisture-permeable waterproof fabric. By weight of the solid content of the L, preferably in the range of 5.3 ~ 53g / m 2, in particular in the range of 10 ~ 35g / m 2 is preferred. If the coating amount is less than 5.3 g / m 2, It is difficult to obtain a coat layer having a uniform thickness, and the water pressure resistance tends to decrease. On the other hand, when the coating amount exceeds 53 g / m 2 , the coating layer is too thick and it is difficult to form a flexible moisture-permeable waterproof fabric.

【0039】なお、本発明でいう透湿防水布帛は、柔軟性を確保するために、基布の片側面にELのコート層を形成したもので、基布の厚さにもよるが、厚さ方向における長さを基準として、ELが基布の厚みの高々30%
まで浸透したものである。 It has penetrated to. そのため、均一な厚みのコート層を形成しようとすると、多量のELをコートしなければならない、両側面にELのコート層を形成したものや基布の厚さ方向全体にELを含浸させたものは含まない。 Therefore, in order to form a coat layer having a uniform thickness, a large amount of EL must be coated. One having an EL coat layer formed on both side surfaces or one having EL impregnated in the entire thickness direction of the base cloth. Does not include. The moisture-permeable waterproof fabric referred to in the present invention is formed by forming an EL coat layer on one side of a base fabric in order to secure flexibility. The thickness depends on the thickness of the base fabric. EL is at most 30% of the thickness of the base fabric based on the length in the vertical direction The moisture-permeable waterproof fabric referred to in the present invention is formed by forming an EL coat layer on one side of a base fabric in order to secure flexibility. The thickness depends on the thickness of the base fabric. EL is at most 30% of the thickness of the base fabric based on the length in the vertical direction
It is a thing that has penetrated. Therefore, in order to form a coat layer having a uniform thickness, a large amount of EL must be coated. One in which an EL coat layer is formed on both sides and one in which the entire base fabric is impregnated with EL. Is not included. It is a thing that has penetrated. Therefore, in order to form a coat layer having a uniform thickness, a large amount of EL must be coated. One in which an EL coat layer is formed on both sides and one in which the entire base. fabric is impregnated with EL. Is not included.

【0040】このようにして基布にコーティングされた
EL溶液は、70〜170℃、好ましくは70〜150
℃の乾熱下で乾燥(乾式法)、または、ELが不溶で、
且つ有機溶剤が可溶な溶液、例えば温水等で有機溶剤を
抽出した後、70〜170℃、好ましくは70〜150
℃の乾熱下で乾燥(湿式法)される。好ましくは、工程
が湿式法に比べて短い乾式法である。
The EL solution coated on the base fabric in this manner is at 70 to 170 ° C., preferably 70 to 150 ° C.
Dry under dry heat of ℃ (dry method) or EL is insoluble,
After extracting the organic solvent with a solution in which the organic solvent is soluble, for example, warm water or the like, 70-170 ° C., preferably 70-150 ° C.
It is dried (wet method) under dry heat of ° C. Preferably, the process is a dry process that is shorter than the wet process. It is dried (wet method) under dry heat of ° C. gradually, the process is a dry process that is shorter than the wet process.

【0041】 [0041]

【実施例】以下、実施例により本発明をさらに説明するが、本発明はこれにより制限されるものではない。実施例において、各物性値の測定は下記の方法により行い、
また、実施例で使用したポリエーテル−エステル系エラストマーは、下記の方法により作製した。 The polyether-ester elastomer used in the examples was prepared by the following method. なお、実施例中の「部」は、「重量部」を表わす。 In addition, "part" in an Example represents "weight part". The present invention will be described in more detail with reference to the following Examples, which should not be construed as limiting the present invention. In the examples, the measurement of each physical property value is performed by the following method, The present invention will be described in more detail with reference to the following Examples, which should not be construed as limiting the present invention. In the examples, the measurement of each physical property value is performed by the following method,
The polyether-ester elastomer used in the examples was produced by the following method. In the examples, "parts" represents "parts by weight". The examples-ester elastomer used in the examples was produced by the following method. In the examples, "parts" represents "parts by weight".

【0042】(1)アンカー繊維および可動アンカー繊
維の測定 透湿防水布帛の厚み方向に沿って裁断したときの断面
を、電子顕微鏡によって1500倍に拡大し、該断面中
の、ELによって完全に外表面を被覆された繊維の横断
面の個数を100個測定し、その中に含まれる繊維の外
表面の90%以上がELとの間に空気などの空隙を有す
る繊維の横断面の個数を測定した。
(1) Measurement of Anchor Fiber and Movable Anchor Fiber The cross section of the moisture-permeable waterproof fabric cut along the thickness direction was magnified 1500 times with an electron microscope, and was completely removed by EL in the cross section. Measure the number of 100 cross-sections of the fiber whose surface is covered, and measure the number of cross-sections of the fiber in which 90% or more of the outer surface of the fiber contained therein has a gap such as air between itself and EL. did.

【0043】そして、可動アンカー繊維の本数を、アンカー繊維の本数で割ったものを、可動アンカー繊維率とした。 Then, a value obtained by dividing the number of movable anchor fibers by the number of anchor fibers was defined as a movable anchor fiber ratio.

【0044】なお、ここでいう繊維の横断面とは、繊維軸に沿った断面では、ELに被覆されているのかどうかが判別し難いので、繊維の繊維軸に対して60〜120
度の範囲にある面を意味し、基布が織物の場合は、経糸に垂直な断面と緯糸に垂直な断面の2つを測定した。 It means a surface in the range of degrees, and when the base fabric is a woven fabric, two cross sections, a cross section perpendicular to the warp and a cross section perpendicular to the weft, were measured. The term "cross-section of the fiber" as used herein means that it is difficult to determine whether or not the fiber is covered with EL in a section along the fiber axis. The term "cross-section of the fiber" as used herein means that it is difficult to determine whether or not the fiber is covered with EL in a section along the fiber axis.
In the case of a woven fabric, the cross section perpendicular to the warp and the cross section perpendicular to the weft were measured. In the case of a woven fabric, the cross section perpendicular to the warp and the cross section perpendicular to the weft were measured.

【0045】(2)ポリエーテル−エステル系エラストマーの固有粘度 フェノールとテトラクロロエタンとの混合溶剤(重量比=6:4)を用い、35℃の温度条件下で固有粘度を測定した。 (2) Intrinsic Viscosity of Polyether-Ester Elastomer The intrinsic viscosity was measured at 35 ° C. using a mixed solvent of phenol and tetrachloroethane (weight ratio = 6: 4).

【0046】(3)融点 示差走査型熱量計(TA instrument製 D
SC29290)を用いて窒素気流中10℃/分の昇温速度で走査させて測定した。
(3) Melting point Differential scanning calorimeter (TA instrument D
SC29290) and scanning in a nitrogen stream at a rate of 10 ° C./min.

【0047】(4)透湿度試験 JIS L−1099法(塩化カルシウム法)に準拠して行った。 (4) Moisture permeability test The test was carried out in accordance with JIS L-1099 method (calcium chloride method).

【0048】(5)耐水圧試験 JIS L−1092法(高水圧法)に準拠して行った。 (5) Water pressure test The test was carried out in accordance with JIS L-1092 method (high water pressure method).

【0049】(6)剥離試験 JIS K−6301を参考にし、試験片(2cm×9
cm)のコーティング面に融着テープを熱融着させた後、試験片と融着テープとを引張試験機の相互に向かい合ったチャック間(50mm)にセットし、50mm/ After heat-sealing the fusion tape on the coated surface of cm), the test piece and the fusion tape are set between the chucks facing each other (50 mm) of the tensile tester, and 50 mm /
minの引張り速度でチャック間の距離を広げることで基布とコート層とを剥離させ、初期の剥離を除いた平均応力を読み取り、サンプルの幅25mm当たりの応力に換算したものを剥離強力とした。 The base cloth and the coat layer were peeled off by widening the distance between the chucks at a tensile speed of min, the average stress excluding the initial peeling was read, and the stress converted to the stress per 25 mm width of the sample was used as the peeling strength. .. (6) Peel test Referring to JIS K-6301, a test piece (2 cm × 9 (6) Peel test insulating to JIS K-6301, a test piece (2 cm x 9)
cm), the test piece and the fusion tape were set between the chucks (50 mm) facing each other of the tensile tester, and the fusion tape was heated to 50 mm / cm. cm), the test piece and the fusion tape were set between the chucks (50 mm) facing each other of the tensile tester, and the fusion tape was heated to 50 mm / cm.
By expanding the distance between the chucks at a pulling speed of min, the base fabric and the coating layer were peeled off, the average stress excluding the initial peeling was read, and the value converted to the stress per 25 mm width of the sample was taken as the peeling strength. . By expanding the distance between the chucks at a pulling speed of min, the base fabric and the coating layer were peeled off, the average stress excluding the initial peeling was read, and the value converted to the stress per 25 mm width of the sample was taken as the peeling strength ..

【0050】(7)風合い評価 熟練者5名により、製造した各サンプルに対して官能検
査を行い、触感による相対的な比較を行った。なお、評
価結果は、以下の通りとした。 ○:柔軟な風合いとを有し、且つ、屈曲時に樹脂層のす
れる音がしないもの。 △:柔軟な風合いとを有するが、屈曲時に樹脂層のすれ
る音がするもの。 ×:ペーパーライクな風合いで、且つ、屈曲時に樹脂層
のすれる音がするもの。
(7) Evaluation of Hand A sensory test was performed on each of the manufactured samples by five skilled persons, and a relative comparison was made based on the tactile sensation. The evaluation results were as follows. :: Soft texture and no sound of rubbing of the resin layer when bent. Δ: Soft texture, but sound of rubbing of resin layer when bent. ×: A paper-like texture with a sound of rubbing of the resin layer when bent.

【0051】(8)EL(A)の作製 テレフタル酸ジメチル(DMT)194部、エチレング
リコール(EG)43.3部、テトラメチレングリコー
ル(TMG)72部、ポリエチレングリコール(PE
G)(平均分子量4000)124部、及び触媒として
テトラブチルチタネート0.391部を蒸留装置を備え
た反応容器に仕込み、この反応物を窒素ガス雰囲気下、
220℃で反応缶中に生成するメタノールを系外に除去しながら210分間エステル交換させた。 Transesterification was carried out for 210 minutes while removing the methanol produced in the reaction vessel at 220 ° C. to the outside of the system. エステル交換反応終了後、このエステル交換反応物を撹袢装置、窒素導入口、減圧口及び蒸留装置を備えた240℃に加熱された反応容器に移し、反応混合物に熱安定剤としてスミライザーGS(住友化学工業(株)製)を0.31部添加し窒素置換した後、常圧で約10分、15〜20mmH After the transesterification reaction is completed, the transesterification reaction product is transferred to a reaction vessel heated to 240 ° C. equipped with a stirrer, a nitrogen inlet, a decompression port and a distillation apparatus, and the reaction mixture is charged with a simulator GS (Sumitomo) as a heat stabilizer. After adding 0.31 part of (manufactured by Chemical Industry Co., Ltd.) and substituting with nitrogen, it takes about 10 minutes at normal pressure to 15 to 20 mmH.
gで約30分、更に0.1mmHgで255℃まで昇温し重縮合反応を行ない、所定の溶融粘度に到達した後、 After about 30 minutes at g and further heating at 0.1 mmHg to 255 ° C. and performing a polycondensation reaction to reach a predetermined melt viscosity,
酸化防止剤としてスミライザーGA−80(住友化学工業(株)製)を0.62部添加して反応終了とし、常法によりチップ化した。 0.62 parts of Sumilyzer GA-80 (manufactured by Sumitomo Chemical Co., Ltd.) was added as an antioxidant to complete the reaction, and chips were formed by a conventional method. 得られたEL(A)の固有粘度は1.163、融点は176℃、EG/TMG含有率は3 The obtained EL (A) has an intrinsic viscosity of 1.163, a melting point of 176 ° C., and an EG / TMG content of 3.
3/67であった。 It was 3/67. (8) Preparation of EL (A) 194 parts of dimethyl terephthalate (DMT), 43.3 parts of ethylene glycol (EG), 72 parts of tetramethylene glycol (TMG), polyethylene glycol (PE) (8) Preparation of EL (A) 194 parts of dimethyl terephthalate (DMT), 43.3 parts of ethylene glycol (EG), 72 parts of tetramethylene glycol (TMG), polyethylene glycol (PE)
G) 124 parts of (average molecular weight 4000) and 0.391 parts of tetrabutyl titanate as a catalyst were charged into a reaction vessel equipped with a distillation apparatus, and the reaction product was placed under a nitrogen gas atmosphere. G) 124 parts of (average molecular weight 4000) and 0.391 parts of tetrabutyl titanate as a catalyst were charged into a reaction vessel equipped with a distillation apparatus, and the reaction product was placed under a nitrogen gas atmosphere.
At 220 ° C., transesterification was performed for 210 minutes while removing the methanol generated in the reaction vessel out of the system. After completion of the transesterification reaction, the transesterification reaction product was transferred to a reaction vessel heated to 240 ° C. equipped with a stirrer, a nitrogen inlet, a reduced pressure port, and a distillation apparatus. After adding 0.31 part of the product (manufactured by Chemical Industry Co., Ltd.) and replacing with nitrogen, about 15 minutes at normal pressure and 15 to 20 mmH At 220 ° C., transesterification was performed for 210 minutes while removing the methanol generated in the reaction vessel out of the system. After completion of the transesterification reaction, the transesterification reaction product was transferred to a reaction vessel heated to 240 ° C. equipped With a stirrer, a nitrogen inlet, a reduced pressure port, and a distillation apparatus. After adding 0.31 part of the product (manufactured by Chemical Industry Co., Ltd.) and replacing with nitrogen, about 15 minutes at normal pressure and 15 to 20 mmH
g for about 30 minutes, and further raised to 255 ° C. at 0.1 mmHg to perform a polycondensation reaction, and after reaching a predetermined melt viscosity, g for about 30 minutes, and further raised to 255 ° C. at 0.1 mmHg to perform a polycondensation reaction, and after reaching a predetermined melt viscosity,
0.62 parts of Sumilizer GA-80 (manufactured by Sumitomo Chemical Co., Ltd.) was added as an antioxidant to terminate the reaction, and chips were formed by a conventional method. The intrinsic viscosity of the obtained EL (A) is 1.163, the melting point is 176 ° C., and the EG / TMG content is 3 0.62 parts of Sumilizer GA-80 (manufactured by Sumitomo Chemical Co., Ltd.) was added as an antioxidant to terminate the reaction, and chips were formed by a conventional method. The intrinsic viscosity of the obtained EL (A) is 1.163, the melting point is 176 ° C., and the EG / TMG content is 3
It was 3/67. It was 3/67.

【0052】(9)EL(B)の作製 テレフタル酸ジメチル(DMT)210部、イソフタル酸(IA)63.6部、テトラメチレングリコール(T
MG)193.3部及びポリテトラメチレングリコール(PTMG)199部を反応容器中に仕込んで、エステル交換反応を行いモノマーを得た。 193.3 parts of MG) and 199 parts of polytetramethylene glycol (PTMG) were charged into a reaction vessel, and a transesterification reaction was carried out to obtain a monomer. その後昇温減圧しつつ重縮合反応を行ってEL(B)を得た。 Then, a polycondensation reaction was carried out while raising the temperature and reducing the pressure to obtain EL (B). なお、イソフタル酸はスラリー状のものを、PTMGは数平均分子量2000のものを用いた。 The isophthalic acid used was in the form of a slurry, and the PTMG used had a number average molecular weight of 2000. このEL(B)の固有粘度は1.0dl/gで、融点は170℃であった。 The intrinsic viscosity of this EL (B) was 1.0 dl / g, and the melting point was 170 ° C. (9) Preparation of EL (B) 210 parts of dimethyl terephthalate (DMT), 63.6 parts of isophthalic acid (IA), tetramethylene glycol (T (9) Preparation of EL (B) 210 parts of dimethyl terephthalate (DMT), 63.6 parts of isophthalic acid (IA), tetramethylene glycol (T)
193.3 parts of MG) and 199 parts of polytetramethylene glycol (PTMG) were charged into a reaction vessel, and a transesterification reaction was performed to obtain a monomer. Thereafter, a polycondensation reaction was performed while raising the temperature and reducing the pressure to obtain EL (B). The isophthalic acid used was a slurry, and the PTMG used had a number average molecular weight of 2,000. The intrinsic viscosity of this EL (B) was 1.0 dl / g, and the melting point was 170 ° C. 193.3 parts of MG) and 199 parts of polytetramethylene glycol (PTMG) were charged into a reaction vessel, and a transesterification reaction was performed to obtain a monomer. Polymer, a polycondensation reaction was performed while raising the temperature and reducing the pressure to obtain EL (B). The isophthalic acid used was a slurry, and the PTMG used had a number average molecular weight of 2,000. The intrinsic monomer of this EL (B) was 1.0 dl / g, and the melting point was 170 ° C.

【0053】[実施例1]撥水処理を施したポリエステル連続マルチフィラメント(127dtex/168f
il)からなる平織(経糸138本/25mm、緯糸8
2本/25mm)に撥水処理した基布(耐水圧600m

mH 2 O、透湿度9000g/m 2・24h)に界面活性剤(竹本油脂製、スルホネート系ノニオン活性剤TJC mH 2 O, moisture permeability 9000g / m 2 · 24h) to surfactant (Takemoto Yushi, TJC sulfonate nonionic active agent
043)を0.5wt%含んだ水溶液を、基布重量を基準として40wt%含浸させた後、基布の片側面に上に、コート量が5g/m 2になるようにクリアランスを調整してコーティングした後、60℃に加熱された1, After impregnating 40 wt% with an aqueous solution containing 0.5 wt% of 043) based on the weight of the base cloth, adjust the clearance on one side of the base cloth so that the coating amount is 5 g / m 2. After coating, it was heated to 60 ° C. 1,
3−ジオキソラン90部に前記(9)により得られたE E obtained in (9) above in 90 parts of 3-dioxolane
L(B)10部を完全に溶解させた溶液をナイフコーターにより、ELの固形分量が5g/m 2となるようにコーティングした後、130℃の乾熱下で1分間熱処理を行った。 A solution in which 10 parts of L (B) was completely dissolved was coated with a knife coater so that the solid content of EL was 5 g / m 2, and then heat treatment was performed for 1 minute under dry heat at 130 ° C. 続いて60℃に加熱された1,3−ジオキソラン93部に前記(8)により得られたEL(A)7部を完全に溶解させ溶液を、基布上のEL(A)のコート層の上に、コート量が15g/m 2になるようにナイフコーターによりコーティングした後、150℃乾熱下で3 Subsequently, 7 parts of EL (A) obtained in (8) above were completely dissolved in 93 parts of 1,3-dioxolane heated to 60 ° C., and the solution was applied to the coat layer of EL (A) on the base cloth. After coating on top with a knife coater so that the coating amount is 15 g / m 2 , 3 under dry heat at 150 ° C.
分間熱処処理を行った。 Heat treatment was performed for 1 minute. 得られた透湿防水布帛は、高い透湿性と耐水圧性とを有するものであった。 The obtained moisture-permeable and waterproof fabric had high moisture permeability and water pressure resistance. 得られた布帛の性能を表1に示す。 The performance of the obtained fabric is shown in Table 1. Example 1 Polyester continuous multifilament (127 dtex / 168f) subjected to a water-repellent treatment Example 1 Polyester continuous multifilament (127 dtex / 168f) subjected to a water-repellent treatment
il) plain weave (138 warps / 25 mm, 8 wefts) il) plain weave (138 warps / 25 mm, 8 wefts)
2 fabrics / 25mm) water-repellent backing fabric (water pressure 600m 2 fabrics / 25mm) water-repellent backing fabric (water pressure 600m)
mH 2 O, moisture permeability 9000 g / m 2 · 24 h) and surfactant (manufactured by Takemoto Yushi, sulfonate-based nonionic surfactant TJC) mH 2 O, moisture permeability 9000 g / m 2 · 24 h) and surfactant (manufactured by Takemoto Yushi, sulfonate-based nonionic surfactant TJC)
043) was impregnated with an aqueous solution containing 0.5 wt% of the base fabric at 40 wt% based on the weight of the base fabric, and then the clearance was adjusted on one side of the base fabric so that the coating amount was 5 g / m 2. After coating, heated to 60 ° C 1, 043) was impregnated with an aqueous solution containing 0.5 wt% of the base fabric at 40 wt% based on the weight of the base fabric, and then the clearance was adjusted on one side of the base fabric so that the coating amount was 5 g / m 2. After coating, heated to 60 ° C 1,
E obtained by the above (9) was added to 90 parts of 3-dioxolane. E obtained by the above (9) was added to 90 parts of 3-dioxolane.
The solution in which 10 parts of L (B) was completely dissolved was coated with a knife coater so that the solid content of EL was 5 g / m 2, and then heat-treated at 130 ° C. for 1 minute under dry heat. Subsequently, 7 parts of the EL (A) obtained by the above (8) was completely dissolved in 93 parts of 1,3-dioxolane heated to 60 ° C., and the solution was applied to the EL (A) coat layer on the base cloth. After coating with a knife coater so that the coating amount becomes 15 g / m 2 , The solution in which 10 parts of L (B) was completely dissolved was coated with a knife coater so that the solid content of EL was 5 g / m 2, and then heat-treated at 130 ° C. for 1 minute under dry heat . Thus, 7 parts of the EL (A) obtained by the above (8) was completely dissolved in 93 parts of 1,3-dioxolane heated to 60 ° C., and the solution was applied to the EL (A) coat layer on the base cloth. After coating with a knife coater so that the coating amount becomes 15 g / m 2 ,
Heat treatment was performed for minutes. The obtained moisture-permeable waterproof fabric had high moisture permeability and water pressure resistance. Table 1 shows the performance of the obtained fabric. Heat treatment was performed for minutes. The obtained moisture-permeable waterproof fabric had high moisture permeability and water pressure resistance. Table 1 shows the performance of the obtained fabric.

【0054】[実施例2]実施例1の基布に含浸させる
水溶液として、界面活性剤(竹本油脂製、スルホネート
系ノニオン活性剤TJC043)を0.5wt%、およ
び1,3−ジオキソランを20wt%含んだものを用い
た以外は、実施例1と同様な操作を繰り返した。得られ
た布帛の性能を表1に示す。
Example 2 As an aqueous solution for impregnating the base fabric of Example 1, a surfactant (manufactured by Takemoto Yushi, sulfonate-based nonionic surfactant TJC043) was 0.5% by weight, and 1,3-dioxolane was 20% by weight. The same operation as in Example 1 was repeated, except that the inclusion was used. Table 1 shows the performance of the obtained fabric.

【0055】[比較例1]基布に水溶液を含浸させなか
った以外は実施例1と同様な操作を繰り返した。透湿防
水布帛を作成した。得られた布帛の性能を表1に示す。
Comparative Example 1 The same operation as in Example 1 was repeated except that the base fabric was not impregnated with the aqueous solution. A moisture-permeable waterproof fabric was prepared. Table 1 shows the performance of the obtained fabric.

【0056】[実施例3]実施例2の基布に含浸させる
水溶液の量を、10wt%に変えた以外は、実施例1と
同様な操作を繰り返した。得られた布帛の性能を表1に
示す。
Example 3 The same operation as in Example 1 was repeated, except that the amount of the aqueous solution impregnated in the base fabric of Example 2 was changed to 10 wt%. Table 1 shows the performance of the obtained fabric.

【0057】[実施例4]実施例2の基布に含浸させる
水溶液の量を、50wt%に変えた以外は、実施例1と
同様な操作を繰り返した。得られた布帛の性能を表1に
示す。
Example 4 The same operation as in Example 1 was repeated except that the amount of the aqueous solution impregnated in the base fabric of Example 2 was changed to 50 wt%. Table 1 shows the performance of the obtained fabric.

【0058】[比較例2]実施例1の基布に含浸させる
水溶液の量を、0.01wt%に変えた以外は、実施例
1と同様な操作を繰り返した。得られた布帛の性能を表
1に示す。
Comparative Example 2 The same operation as in Example 1 was repeated, except that the amount of the aqueous solution impregnated in the base fabric of Example 1 was changed to 0.01 wt%. Table 1 shows the performance of the obtained fabric.

【0059】[比較例3]実施例1の基布に含浸させる水溶液の量を、70wt%に変えた以外は、実施例1と同様な操作を繰り返した。得られた布帛の性能を表1に示す。 Comparative Example 3 The same operation as in Example 1 was repeated, except that the amount of the aqueous solution impregnated in the base fabric of Example 1 was changed to 70 wt%. Table 1 shows the performance of the obtained fabric.

【0060】 [0060]

【表1】 [Table 1]

【0061】以下、表1について、考察する。本発明の
可動アンカー繊維率を満足する実施例1〜4は、実用に
十分耐え得る高度の剥離強度を有しながら、極めて柔軟
で、特に実施例1、2および4は屈曲時の不快なガサツ
キ音さえもしない優れたものであった。これに対して、
比較例1および2のものは、剥離強度は高いものの、柔
軟性に乏しく、ペーパーライクなものであった。また、
比較例3は、可動アンカー繊維率は満足するものの、剥離強度が290g/25mmと極めて低く、実用には使用し難いものであった。 In Comparative Example 3, although the movable anchor fiber ratio was satisfactory, the peel strength was extremely low at 290 g / 25 mm, and it was difficult to use in practical use. Hereinafter, Table 1 will be considered. Examples 1 to 4 satisfying the ratio of the movable anchor fiber of the present invention are extremely flexible while having a high peel strength enough to withstand practical use, and Examples 1, 2 and 4 are particularly uncomfortable when bent. It was excellent without even sound. On the contrary, Examples 1 to 4 satisfying the ratio of the movable anchor fiber of the present invention are extremely flexible while having a high peel strength enough to withstand practical use, and Examples 1, 2 and 4 are particularly uncomfortable when bent. It was excellent without even sound. On the contrary,
In Comparative Examples 1 and 2, the peel strength was high, but the flexibility was poor, and the paper was like. Also, In Comparative Examples 1 and 2, the peel strength was high, but the flexibility was poor, and the paper was like. Also,
In Comparative Example 3, although the movable anchor fiber ratio was satisfied, the peel strength was extremely low at 290 g / 25 mm, and it was difficult to use in practical use. In Comparative Example 3, although the movable anchor fiber ratio was satisfied, the peel strength was extremely low at 290 g / 25 mm, and it was difficult to use in practical use.

【0062】 [0062]

【発明の効果】本発明の透湿防水布帛は、ELにより外
表面を完全に被覆されたアンカー繊維の内、少なくとも
20%が可動アンカー繊維であるので、剥離強度を維持
しながらも、高度の柔軟性を有する。また、コーティン
グ時に水を基布に含ませているので基布を構成する繊維
間の空隙が大きく、透湿性も向上する。
According to the moisture-permeable waterproof fabric of the present invention, since at least 20% of the anchor fibers whose outer surfaces are completely covered with EL are movable anchor fibers, a high degree of peel strength can be maintained while maintaining peel strength. Have flexibility. Further, since water is contained in the base fabric at the time of coating, voids between fibers constituting the base fabric are large, and moisture permeability is also improved.

【0063】そのため、高度の柔軟性が要求されるスポ
ーツ衣料などの衣服に極めて好適に使用できる。
[0063] Therefore, it can be very suitably used for clothing such as sports clothing requiring a high degree of flexibility.

【0064】勿論、本発明により得られた透湿防水布帛
はELを使用しているため、燃焼時に有毒ガスを発生し
ないことから、現在重要視されつつある廃棄処理の問題
も解決することが可能である。さらに、基布をポリエス
テルからなる繊維で構成すれば、リサイクルも可能な透
湿防水布帛とすることができる。
Of course, since the moisture-permeable waterproof fabric obtained according to the present invention uses EL, it does not generate toxic gas at the time of combustion, so that it is possible to solve the problem of disposal which is now regarded as important. It is. Furthermore, if the base fabric is made of a fiber made of polyester, a moisture-permeable waterproof fabric that can be recycled can be obtained.

【図面の簡単な説明】 [Brief description of the drawings]

【図1】本発明の透湿防水布帛の厚み方向に沿った断面の拡大図である。 FIG. 1 is an enlarged view of a cross section along a thickness direction of a moisture-permeable waterproof fabric of the present invention.

【図2】従来の透湿防水布帛の厚み方向に沿った断面の拡大図である。 FIG. 2 is an enlarged view of a cross section along a thickness direction of a conventional moisture-permeable waterproof cloth.

【符号の説明】 [Explanation of symbols]

1 基布 2 EL 3 ELとアンカー繊維との間の空隙 4 可動アンカー繊維 5 非可動アンカー繊維 DESCRIPTION OF SYMBOLS 1 Base fabric 2 EL3 Void between EL and anchor fiber 4 Movable anchor fiber 5 Non-movable anchor fiber

───────────────────────────────────────────────────── フロントページの続き (72)発明者 折居 一憲 大阪府茨木市耳原3丁目4番1号 帝人株 式会社大阪研究センター内 Fターム(参考) 4L031 AB01 CA00 CA08 DA00 DA08 4L033 AB01 AC03 AC07 BA00 BA72 CA00 CA48 CA70  ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Kazunori Orii 3-4-1, Amihara, Ibaraki-shi, Osaka Teijin Limited Osaka Research Center F-term (reference) 4L031 AB01 CA00 CA08 DA00 DA08 4L033 AB01 AC03 AC07 BA00 BA72 CA00 CA48 CA70

Claims (5)

    【特許請求の範囲】[Claims]
  1. 【請求項1】 繊維からなる基布の片側面にポリエーテ
    ルエステル系エラストマー(EL)を少なくとも部分的
    にコートした透湿防水布帛において、 該布帛の厚み方向に沿った断面を見たとき、ELと基布
    との結合状態が、以下のa〜cを同時に具備することを
    特徴とする透湿防水布帛。 a.ELで外表面を完全に被覆された繊維(アンカー繊
    維)が存在すること; b.アンカー繊維であって、且つ、外表面の少なくとも
    90%がELとの間に空隙を有する繊維(可動アンカー
    繊維)が存在すること;および c.アンカー繊維中に占める可動アンカー繊維の割合
    が、本数を基準として、少なくとも20%であること。
    1. A moisture-permeable waterproof cloth in which one side of a base cloth made of fibers is at least partially coated with a polyetherester-based elastomer (EL). Characterized in that the bonding state between the fabric and the base cloth simultaneously has the following a to c. a. Presence of fibers (anchor fibers) whose outer surface is completely covered with EL; b. The presence of anchor fibers, wherein at least 90% of the outer surface has a void between it and the EL (movable anchor fibers); and c. The ratio of the movable anchor fibers in the anchor fibers is at least 20% based on the number of the anchor fibers.
  2. 【請求項2】 該可動アンカー繊維の割合が、30〜8
    0%の範囲にある請求項1記載の透湿防水布帛。
    2. The ratio of the movable anchor fiber is 30 to 8
    The moisture-permeable waterproof fabric according to claim 1, which is in a range of 0%.
  3. 【請求項3】 繊維からなる基布の片側面に、ELを有機溶剤に溶解させた溶液をコーティングする際、基布重量を基準として、該基布に0.5〜50wt%の水を含浸させておくことを特徴とする透湿防水布帛の製造方法。 3. When one side of a base fabric made of fiber is coated with a solution in which EL is dissolved in an organic solvent, the base fabric is impregnated with 0.5 to 50 wt% of water based on the weight of the base fabric. A method for producing a moisture-permeable waterproof fabric, characterized in that the fabric is allowed to remain.
  4. 【請求項4】 該有機溶剤が、ジメチルホルムアミド、
    ジオキサン、1,3−ジオキソラン、トルエン、クロロホルム、塩化メチレンまたはこれらの混合物である請求項3記載の透湿防水布帛の製造方法。 The method for producing a moisture-permeable waterproof fabric according to claim 3, which is dioxane, 1,3-dioxolane, toluene, chloroform, methylene chloride or a mixture thereof. 4. The method according to claim 1, wherein the organic solvent is dimethylformamide, 4. The method according to claim 1, wherein the organic solvent is dimethylformamide,
    4. The method for producing a moisture-permeable waterproof fabric according to claim 3, wherein the fabric is dioxane, 1,3-dioxolan, toluene, chloroform, methylene chloride or a mixture thereof. 4. The method for producing a moisture-permeable waterproof fabric according to claim 3, wherein the fabric is dioxane, 1,3-dioxolan, toluene, chloroform, methylene chloride or a mixture thereof.
  5. 【請求項5】 該水が、重量を基準として、ELを溶解
    するのに用いた有機溶剤を5〜50wt%の範囲で含ん
    でいる請求項3または4記載の透湿防水布帛の製造方
    法。
    5. The method for producing a moisture-permeable waterproof fabric according to claim 3, wherein said water contains, on a weight basis, an organic solvent used for dissolving EL in a range of 5 to 50 wt%.
JP21369399A 1999-07-28 1999-07-28 Method for producing moisture permeable waterproof fabric Expired - Fee Related JP3727199B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21369399A JP3727199B2 (en) 1999-07-28 1999-07-28 Method for producing moisture permeable waterproof fabric

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21369399A JP3727199B2 (en) 1999-07-28 1999-07-28 Method for producing moisture permeable waterproof fabric

Publications (2)

Publication Number Publication Date
JP2001040583A true JP2001040583A (en) 2001-02-13
JP3727199B2 JP3727199B2 (en) 2005-12-14

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ID=16643435

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Country Link
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003201674A (en) * 2002-01-07 2003-07-18 Teijin Ltd Waterproof fabric and method of producing the same
WO2008029703A1 (en) 2006-09-04 2008-03-13 Showa Glove Co. Glove
JP2010201811A (en) * 2009-03-04 2010-09-16 Teijin Fibers Ltd Moisture-permeable waterproof cloth and fiber product
WO2011162273A1 (en) * 2010-06-25 2011-12-29 住商エアバッグ・システムズ株式会社 Curtain airbag
JP2013540917A (en) * 2010-09-14 2013-11-07 エルジー・ハウシス・リミテッドLg Hausys,Ltd. Surface waterproof paper for inorganic board using mixed nonwoven fabric and waterproof coating layer, and method for producing the same
JP2014047455A (en) * 2012-09-04 2014-03-17 Gunze Ltd Heat radiation property fabric, production method of heat radiation property fabric, and clothing using heat radiation property fabric

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003201674A (en) * 2002-01-07 2003-07-18 Teijin Ltd Waterproof fabric and method of producing the same
EP2064962A4 (en) * 2006-09-04 2012-03-14 Showa Glove Co Glove
WO2008029703A1 (en) 2006-09-04 2008-03-13 Showa Glove Co. Glove
EP2064962A1 (en) * 2006-09-04 2009-06-03 SHOWA GLOVE Co. Glove
US8256029B2 (en) 2006-09-04 2012-09-04 Showa Glove Co. Glove
JP2010201811A (en) * 2009-03-04 2010-09-16 Teijin Fibers Ltd Moisture-permeable waterproof cloth and fiber product
WO2011162273A1 (en) * 2010-06-25 2011-12-29 住商エアバッグ・システムズ株式会社 Curtain airbag
CN102985296A (en) * 2010-06-25 2013-03-20 住商安全气囊系统株式会社 Curtain airbag
EP2586664A1 (en) 2010-06-25 2013-05-01 Sumisho Airbag Systems Co., Ltd. Curtain airbag
JPWO2011162273A1 (en) * 2010-06-25 2013-08-22 住商エアバッグ・システムズ株式会社 Curtain airbag
CN102985296B (en) * 2010-06-25 2016-11-16 住商安全气囊系统株式会社 Curtain type gas bag
JP2013540917A (en) * 2010-09-14 2013-11-07 エルジー・ハウシス・リミテッドLg Hausys,Ltd. Surface waterproof paper for inorganic board using mixed nonwoven fabric and waterproof coating layer, and method for producing the same
JP2014047455A (en) * 2012-09-04 2014-03-17 Gunze Ltd Heat radiation property fabric, production method of heat radiation property fabric, and clothing using heat radiation property fabric

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