JP2002266113A - Warmth-keeping product using artificial leather containing moisture-absorbing and releasing fiber generating heat by water-absorption - Google Patents
Warmth-keeping product using artificial leather containing moisture-absorbing and releasing fiber generating heat by water-absorptionInfo
- Publication number
- JP2002266113A JP2002266113A JP2001054851A JP2001054851A JP2002266113A JP 2002266113 A JP2002266113 A JP 2002266113A JP 2001054851 A JP2001054851 A JP 2001054851A JP 2001054851 A JP2001054851 A JP 2001054851A JP 2002266113 A JP2002266113 A JP 2002266113A
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- Prior art keywords
- absorbing
- moisture
- heat
- layer
- artificial leather
- 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.)
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、人造皮革を使用し
た保温品に係り、具体的には人造皮革からなる衣服、手
袋、帽子、靴等において、人体から発生する気相および
液相の汗や衣服外から侵入する気相および液相の水分を
吸収することにより発熱保温させることにより、着用感
の良い保温品を提供しようとするものである。なお、人
造皮革とは、合成皮革と人工皮革との両方を示す言葉で
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insulated article using artificial leather, and more particularly, to a gas-phase and liquid-phase sweat generated from a human body in clothes, gloves, hats, shoes, etc. made of artificial leather. It is intended to provide a heat-retaining product with a good feeling of wearing by absorbing the moisture of the gas phase and the liquid phase invading from the outside of clothing or clothes and keeping it warm. It should be noted that artificial leather is a word indicating both synthetic leather and artificial leather.
【０００２】[0002]
【従来の技術】人造皮革を用いた衣服等の製品に吸放湿
吸水発熱性繊維を使用する方法としては、人造皮革とは
別の裏地に吸放湿吸水発熱性繊維を含有させたものを使
用したり、人造皮革と裏地との間に中綿として使用する
方法が知られていた。2. Description of the Related Art As a method of using moisture-absorbing / absorbing heat-generating fibers in products such as clothes using artificial leather, there is a method in which moisture-absorbing / water-absorbing heat-generating fibers are contained in a different lining from artificial leather. It has been known how to use it or as a batting between artificial leather and lining.
【０００３】[0003]
【発明が解決しようとする課題】製品仕様上の都合で人
造皮革１層のみで製品を構成したい場合に、吸放湿吸水
発熱性繊維を使用する方法としては、皮革用素材に吸放
湿吸水発熱性繊維を含有させた不織布又は編織物生地
を、接着剤等のバインダーを介して張り付けることによ
り複合素材として用いていた。この製法で作られた複合
素材については、以下の問題があった。When it is desired to constitute a product with only one layer of artificial leather for reasons of product specifications, a method of using a moisture-absorbing / absorbing / heat-generating fiber is as follows. Nonwoven fabrics or knitted woven fabrics containing heat-generating fibers have been used as composite materials by being attached via a binder such as an adhesive. The composite material produced by this method has the following problems.
【０００４】バインダー等が吸放湿吸水発熱性繊維の
表面一部もしくは全部を被覆してしまい吸放湿吸水発熱
性機能が十分に発揮できない。 皮革部と生地部の２層となることから、重量が増加
し、風合いが硬くなってしまう。 加工工程が増えるので、コストアップになってしま
う。 そこで、本発明は、以上の問題を解決した吸放湿吸水発
熱性繊維を含有した人造皮革を提供して、着用感の良い
保温品を提供しようとするものである。[0004] A binder or the like covers a part or all of the surface of the moisture-absorbing, moisture-absorbing and heat-generating fiber, so that the function of moisture-absorbing, moisture-absorbing and heat-generating cannot be sufficiently exhibited. Since it has two layers, the leather part and the cloth part, the weight increases and the texture becomes hard. Since the number of processing steps increases, the cost increases. Therefore, the present invention is to provide an artificial leather containing moisture absorbing / desorbing water-absorbing heat-generating fiber which has solved the above-mentioned problems, and to provide a heat-retaining product having a good wearing feeling.
【０００５】[0005]
【課題を解決するための手段】請求項１の発明は、単層
あるいは多層構造を有する不織布又は編織物生地の基材
層上に、単層あるいは複数層の合成樹脂からなる表皮層
を形成した人造皮革であり、吸放湿吸水発熱性繊維又は
吸放湿吸水発熱性粉末を含有する層を少なくとも１層以
上有する人造皮革を使用した保温品である。According to a first aspect of the present invention, a skin layer made of a single layer or a plurality of synthetic resins is formed on a base layer of a nonwoven fabric or a knitted fabric having a single layer or a multilayer structure. A heat insulation product using artificial leather, which is artificial leather and has at least one layer containing moisture-absorbing and moisture-absorbing heat-generating fiber or moisture-absorbing and moisture-absorbing heat-generating powder.
【０００６】請求項２の発明は、単層あるいは多層構造
を有する不織布又は編織物生地の基材層上に、単層ある
いは複数層の合成樹脂からなる表皮層を形成した人造皮
革であり、吸放湿吸水発熱性繊維又は吸放湿吸水発熱性
粉末を少なくとも１層以上に含有する基材層と、表皮層
とからなる人造皮革を使用した保温品である。A second aspect of the present invention is an artificial leather in which a single or multiple layers of a synthetic resin skin layer is formed on a base layer of a nonwoven or knitted woven fabric having a single or multilayer structure. A heat insulation product using artificial leather comprising a base layer containing at least one layer of moisture-absorbing and heat-generating fiber or moisture-absorbing and heat-absorbing heat-generating powder and a skin layer.
【０００７】請求項３の発明は、単層あるいは多層構造
を有する不織布又は編織物生地の基材層上に、単層ある
いは複数層の合成樹脂からなる表皮層を形成した人造皮
革であり、吸放湿吸水発熱性繊維又は吸放湿吸水発熱性
粉末を含有する層を少なくとも連続して２層以上有する
人造皮革を使用した保温品である。A third aspect of the present invention is an artificial leather in which a single or multiple layers of a synthetic resin skin layer is formed on a base layer of a nonwoven or knitted woven fabric having a single or multilayer structure. A heat insulation product using artificial leather having at least two continuous layers containing moisture-absorbing and heat-generating fibers or moisture-absorbing and moisture-absorbing heat-generating powder.
【０００８】請求項４の発明は、請求項１乃至３のいず
れか１項に記載の発明において、基材層、表皮層を構成
する各層すべてが透湿性を有する人造皮革を使用した保
温品であり、請求項５記載の発明は、請求項１乃至３の
いずれか１項に記載の発明において、基材層、表皮層を
構成する各層すべてが通気性を有する人造皮革を使用し
た保温品である。According to a fourth aspect of the present invention, there is provided the thermal insulation product according to any one of the first to third aspects, wherein all of the layers constituting the base layer and the skin layer use artificial leather having moisture permeability. The invention according to claim 5 is the heat insulation product according to any one of claims 1 to 3, wherein all the layers constituting the base layer and the skin layer use artificial leather having air permeability. is there.
【０００９】請求項６の発明は、請求項１乃至５のいず
れか１項に記載の発明において、含有させる吸放湿吸水
発熱性繊維又は吸放湿吸水発熱性粉末の公定水分率が１
６％以上であって、羊毛繊維以上の吸湿発熱性を有する
合成繊維又は該繊維の粉末である人造皮革を使用した保
温品である。According to a sixth aspect of the present invention, there is provided the method according to any one of the first to fifth aspects, wherein the moisture-absorbing and moisture-absorbing heat-generating fiber or the moisture-absorbing and moisture-absorbing heat-generating powder contains 1 or more moisture.
6% or more, which is a heat-retaining product using synthetic fiber having moisture-absorbing heat generation property equal to or higher than wool fiber or artificial leather which is a powder of the fiber.
【００１０】請求項７の発明は、請求項１乃至５のいず
れか１項に記載の発明において、含有させる吸放湿吸水
発熱性繊維又は吸放湿吸水発熱性粉末が、アクリロニト
リル系繊維のニトリル結合部の一部にヒドラジン架橋部
を導入して高架橋繊維構造にし、ニトリル結合部の残り
の一部を加水分解して水酸基、カルボキシル基、塩型カ
ルボキシル基、アミド基のうち１種類以上の官能基を導
入したアクリレート系繊維又は該繊維の粉末である人造
皮革を使用した保温品である。A seventh aspect of the present invention is the method according to any one of the first to fifth aspects, wherein the moisture-absorbing / desorbing water-absorbing heat-generating fiber or the moisture-absorbing / desorbing water-absorbing heat-generating powder is a nitrile of acrylonitrile-based fiber. A hydrazine cross-linking part is introduced into a part of the bonding part to form a highly crosslinked fiber structure, and the remaining part of the nitrile bonding part is hydrolyzed to at least one of a hydroxyl group, a carboxyl group, a salt-type carboxyl group, and an amide group. It is a heat-retaining product using an acrylate fiber into which a group is introduced or artificial leather that is a powder of the fiber.
【００１１】[0011]
【発明の実施の形態】まず、実際に使用されている皮革
について説明する。牛、馬、羊等の天然皮革は、極細コ
ラーゲン繊維が３次元的に交絡した構造を有し、密度は
内側に行く程粗く、表面に近い程密になっており、表面
はさらに緻密な繊維層となっている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, leather actually used will be described. Cows, horses, sheep, and other natural leathers have a structure in which ultra-fine collagen fibers are three-dimensionally entangled. The density is coarser toward the inside and denser near the surface, and the surface is more dense fiber. Layers.
【００１２】合成皮革と呼ばれるものは、天然皮革に似
せたものとして使用されている。製造法としては、溶剤
を用いて溶解した合成樹脂を、編織布等の繊維基布の上
にコーティングあるいはラミネートし、空気中で溶剤を
飛散させて皮膜を形成する乾式法による乾式合成皮革
と、水中で水溶性の溶剤と水を置換させてから空気中で
水を飛散させて合成樹脂の微細な連続スポンジ構造を有
する皮膜を形成する湿式法による湿式合成皮革が知られ
ている。What is called synthetic leather has been used to mimic natural leather. As a production method, dry synthetic leather by a dry method of coating or laminating a synthetic resin dissolved using a solvent on a fiber base fabric such as a knitted woven fabric, and scattering the solvent in the air to form a film, There is known a wet synthetic leather by a wet method in which a water-soluble solvent is replaced with water in water and water is scattered in the air to form a film having a fine continuous sponge structure of a synthetic resin.
【００１３】また、人工皮革と呼ばれるものは、不織布
に合成樹脂を含浸させて補強したものをそのまま使用す
るか、基材層として使用し、合成樹脂を１層以上表皮層
として塗布したもので、合成皮革が編織物生地、不織布
をそのまま用いて基材層としているのに対し、人工皮革
は不織布に合成樹脂を含浸させて基材層としていること
が相違点である。天然皮革は、極細コラーゲン繊維の絡
み合いで、下層から表層にかけて高密度化構造を有する
が、人工皮革の場合は合成樹脂の助けを借りてコラーゲ
ン繊維の替わりの不織布を補強し、密度変化を保持して
おり、一般的に合成皮革よりもさらに天然皮革に似せる
ことが可能である。[0013] Further, what is called artificial leather is a nonwoven fabric impregnated with a synthetic resin and reinforced, or used as it is, or used as a base layer, and one or more synthetic resins are applied as a skin layer. The difference is that synthetic leather uses a knitted woven fabric or nonwoven fabric as it is as a base layer, whereas artificial leather impregnates a nonwoven fabric with a synthetic resin to form a base layer. Natural leather has a high-density structure from the lower layer to the surface layer due to the intertwining of ultra-fine collagen fibers, but in the case of artificial leather, it reinforces the nonwoven fabric instead of collagen fibers with the help of synthetic resin to maintain the density change And can generally resemble natural leather more than synthetic leather.
【００１４】製造法としては、合成皮革と同様に、合成
樹脂を含浸、塗布させた不織布を空気中で乾燥させる乾
式法と、水中に導入する湿式法とがあり、両方とも人工
皮革に透湿、通気性を持たせることが可能である。合成
皮革、人造皮革とも表面研削や表面層の部分的溶解、エ
ンボスロール、レーザー等を用いての機械的な研削等の
後加工でさらに通気性を向上させることが可能である。
さらに、エンボスロール等で天然皮革調の表面感を再現
したり、サンドペーパー等で表面を研削又は起毛してス
エード調等の風合いを得る等の後加工が人造皮革の使用
目的によって使い分けられる。As in the case of synthetic leather, there are a dry method in which a non-woven fabric impregnated with a synthetic resin is applied and dried in the air, and a wet method in which the non-woven fabric is introduced into water. , It is possible to have air permeability. For both synthetic leather and artificial leather, the air permeability can be further improved by post-processing such as surface grinding, partial dissolution of the surface layer, mechanical grinding using an embossing roll, laser or the like.
Further, post-processing such as reproducing a natural leather-like surface feeling with an embossing roll or the like or obtaining a texture such as a suede-like surface by grinding or raising the surface with sandpaper or the like is used depending on the purpose of use of the artificial leather.
【００１５】人造皮革に繊維を含有させたものとして
は、特開平６−２９４０７６号や特開平５−１０６１７
３号が公知となっている。特開平６−２９４０７６号
は、合成皮革の基布と皮膜に綿等のセルロース系繊維、
補強のためのナイロン繊維を含有させることを特徴とし
ており、セルロース系繊維の吸水性と、基布の透湿性と
皮膜の透湿性が相まって、蒸れず、結露防止効果のある
合成皮革を提供しようとするものである。Examples of artificial leather containing fibers include JP-A-6-294076 and JP-A-5-10617.
No. 3 is known. JP-A-6-294076 discloses a cellulose-based fiber such as cotton for a base cloth and a film of synthetic leather,
It is characterized by the inclusion of nylon fibers for reinforcement, combined with the water absorption of the cellulosic fibers, the moisture permeability of the base fabric and the moisture permeability of the film, and aims to provide a synthetic leather that is not stuffy and has an effect of preventing condensation. Is what you do.
【００１６】特開平５−１０６１７３号は、繊維基材面
に動物の毛の粉末または天然皮革粉末を含有するポリエ
ステル多孔質膜を形成し、その表面を研削することで触
感を天然スエードに類似させることを特徴とするもので
ある。Japanese Patent Application Laid-Open No. 5-106173 discloses a method in which a polyester porous film containing animal hair powder or natural leather powder is formed on the surface of a fiber substrate, and the surface is ground to make the feel similar to natural suede. It is characterized by the following.
【００１７】しかし、両発明とも合成皮革に繊維を含有
させているものの、発熱という点においては全く考慮さ
れておらず、発熱性を体感するに至らず、冬季時の使用
において冷たく感じることがあった。また、基材と皮膜
に含有されている繊維の吸湿性が悪いために、湿気を効
率良く外部に排出することができず、発汗時に蒸れを感
じることがあった。However, in both of the inventions, although the synthetic leather contains fibers, heat generation is not considered at all in terms of heat generation, and the user does not feel heat generation and feels cold when used in winter. Was. In addition, the fibers contained in the base material and the film have poor hygroscopicity, so that moisture cannot be efficiently exhausted to the outside, and the user may feel stuffy when sweating.
【００１８】よって、本発明は、単層あるいは多層構造
を有する不織布又は編織物生地の基材層上に、単層ある
いは複数層の合成樹脂からなる表皮層を形成した人造皮
革において、吸放湿吸水発熱性繊維又は吸放湿吸水発熱
性粉末を含有する層を少なくとも１層以上有する人造皮
革を使用することにより、着用感の良い保温品を提供し
ようとするものである。Accordingly, the present invention provides an artificial leather in which a single or multiple layers of a synthetic resin skin layer is formed on a base layer of a nonwoven or knitted woven fabric having a single layer or a multilayer structure. By using artificial leather having at least one layer containing water-absorbing and heat-generating fibers or moisture-absorbing and heat-absorbing and water-absorbing heat-generating powder, it is intended to provide a heat-retaining product with a good feeling of wearing.
【００１９】ここで、吸放湿吸水発熱性繊維としては、
例えば、親水基を高密度で強架橋してなる化学変成体を
有するアクリレート系吸放湿吸水発熱性繊維を挙げるこ
とができる。この吸放湿吸水発熱性繊維は、該吸放湿吸
水発熱性繊維が有する化学変性体によって異なった発熱
量を有するが、通常は、吸放湿吸水発熱性繊維を絶乾状
態から水中または高湿度雰囲気下に移すと、水素結合や
溶解熱やファンデルワールス力に関与した発熱量を有す
る。Here, the moisture-absorbing, moisture-absorbing and heat-generating fibers include:
For example, an acrylate-based moisture-absorbing, moisture-absorbing, and heat-generating fiber having a chemically modified product obtained by strongly cross-linking a hydrophilic group at a high density can be given. The moisture-absorbing / heat-absorbing heat-generating fiber has a different calorific value depending on the chemically modified product of the moisture-absorbing / water-absorbing heat-generating fiber. When transferred to a humid atmosphere, it has a calorific value related to hydrogen bonding, heat of dissolution, and van der Waals force.
【００２０】その他の吸放湿吸水発熱性繊維としては、
合成品のシリカゲルや天然のシリカアルミナ系の乾燥剤
やモレキュラシーブスなどのセラミック系の乾燥剤など
のように、吸湿時および吸水時に吸湿熱を発生するこれ
らの乾燥剤の微粉末を、各種繊維材料に混合したものが
挙げられる。Other moisture absorbing / releasing moisture absorbing / heat generating fibers include:
Fine powders of these desiccants that generate heat of moisture absorption and moisture absorption, such as synthetic silica gel, natural silica-alumina desiccant, and ceramic desiccant such as molecular sieves, are used for various fiber materials. And mixtures thereof.
【００２１】アクリレート系吸放湿性繊維は、出発繊維
として、アクリロニトリル（以下、ＡＮという）を４０
ｗ％以上、好ましくは５０ｗ％以上含有するＡＮ系重合
体により形成された繊維が用いられる。ＡＮ重合体は、
ＡＮ単重合体、ＡＮと他の単量体との共重合体のいずれ
でも良い。この他の単量体としては、ハロゲン化ビニ
ル、ハロゲン化ビニリデン、アクリル酸エステル、メタ
クリルスルホン酸、ｐ−スチレンスルホン酸などのスル
ホン酸含有単量体およびその塩、メタアクリル酸、イタ
コン酸などのカルボン酸含有単量体およびその塩、アク
リルイミド、スチレン、酢酸ビニルなどの単量体を挙げ
ることができるが、ＡＮと共重合可能な単量体であれば
特に限定されない。Acrylonitrile (hereinafter referred to as AN) is used as the starting fiber in the acrylate-based moisture-absorbing and desorbing fiber.
A fiber formed of an AN-based polymer containing at least w%, preferably at least 50 w% is used. AN polymers are
Any of an AN homopolymer and a copolymer of AN and another monomer may be used. Other monomers include vinyl halides, vinylidene halides, acrylates, methacrylsulfonic acid, sulfonic acid-containing monomers such as p-styrenesulfonic acid and salts thereof, methacrylic acid, itaconic acid and the like. Examples thereof include carboxylic acid-containing monomers and salts thereof, and monomers such as acrylimide, styrene, and vinyl acetate, but are not particularly limited as long as they are copolymerizable with AN.
【００２２】以上のアクリル系繊維に、ヒドラジン系化
合物を架橋剤として導入する方法が適用される。この方
法においては、窒素含有量の増加を１．０〜１０．０ｗ
％に調整し、ヒドラジン系化合物の濃度を５〜６０ｗ
％、温度を５０〜１２０℃とした状態で５時間以内で処
理する。この方法は、工業的に好ましい。ここで、窒素
含有量の増加とは、原料のアクリル系繊維の窒素含有量
とヒドラジン系化合物を架橋剤として導入された状態の
アクリル系繊維の窒素含有量との差をいう。この窒素含
有量の増加が、上記の下限（１．０ｗ％）に満たない場
合は、最終的に満足し得る物性の繊維を得ることができ
ない。A method of introducing a hydrazine-based compound as a crosslinking agent into the above-mentioned acrylic fibers is applied. In this method, the nitrogen content is increased by 1.0 to 10.0 w
% And the concentration of the hydrazine compound is 5 to 60 watts.
%, At a temperature of 50 to 120 ° C. within 5 hours. This method is industrially preferred. Here, an increase in the nitrogen content refers to a difference between the nitrogen content of the acrylic fiber as the raw material and the nitrogen content of the acrylic fiber in a state where the hydrazine compound is introduced as a crosslinking agent. If the increase in the nitrogen content is less than the above lower limit (1.0 w%), a fiber having satisfactory physical properties cannot be finally obtained.
【００２３】また、窒素含有量の増加が上記の上限（１
０．０ｗ％）を超えた場合には、高吸湿性は得られな
い。したがって、ここで使用するヒドラジン系化合物と
しては、窒素含有量の増加が上記の範囲となるような化
合物であればとくに限定されない。このようなヒドラジ
ン系化合物としては、例えば、水加ヒドラジン、硫酸ヒ
ドラジン、塩酸ヒドラジン、臭素酸ヒドラジン、ヒドラ
ジンカーボネイト等や、エチレンジアミン、硫酸グアニ
ジン、塩酸グアニジン、リン酸グアニジン、メラミン酸
のアミン基を複数個含有する化合物を挙げることができ
る。Further, the increase in the nitrogen content is limited to the upper limit (1).
(0.0w%), high hygroscopicity cannot be obtained. Therefore, the hydrazine-based compound used here is not particularly limited as long as the increase in the nitrogen content is within the above range. Examples of such hydrazine-based compounds include, for example, hydrazine hydrate, hydrazine sulfate, hydrazine hydrochloride, hydrazine bromide, hydrazine carbonate, etc. Compounds contained can be mentioned.
【００２４】なお、この架橋工程においては、ヒドラジ
ン系化合物が加水分解反応により架橋されずに残存した
状態のニトリル基を実質的に消失させるとともに、１．
０〜４．５ｍｅｑ／ｇの塩型カルボキシル基と残部にア
ミド基を導入する方法が適用される。その方法として
は、アルカリ金属水酸化物、アンモニア等の塩基性水溶
液、あるいは硝酸、硫酸、塩酸などの鉱酸の水溶液を含
浸させるか、またはその水溶液中に原料繊維を浸漬した
状態で加熱処理する方法、あるいは、上記した架橋剤の
導入と同時に加水分解を起こす方法を用いることができ
る。なお、この加水分解反応が、酸による加水分解であ
る場合は、カルボキシル基を塩型に変換させる必要があ
る。In this cross-linking step, the hydrazine-based compound substantially eliminates the nitrile groups remaining without being cross-linked by the hydrolysis reaction.
A method of introducing a salt-type carboxyl group of 0 to 4.5 meq / g and an amide group into the remainder is applied. As the method, an alkali metal hydroxide, a basic aqueous solution such as ammonia, or an aqueous solution of a mineral acid such as nitric acid, sulfuric acid, or hydrochloric acid is impregnated, or heat treatment is performed in a state where the raw fibers are immersed in the aqueous solution. A method or a method of causing hydrolysis simultaneously with the introduction of the above-mentioned crosslinking agent can be used. When the hydrolysis reaction is hydrolysis with an acid, it is necessary to convert the carboxyl group into a salt form.
【００２５】このアクリレート系吸放湿吸水発熱性繊維
の場合、気温２０℃湿度４０％の環境条件で２０℃に保
たれた１００ｇの水中に投入すると、約６０Ｊ／ｇの発
熱量を有する。これは、同条件で投入したウール繊維の
場合の発熱量、約１５Ｊ／ｇおよびポリエステル繊維の
場合の発熱量０Ｊ／ｇに比較して、吸水時の発熱量の面
で充分である。また、吸湿量の面では、相対湿度変化に
おける重量変化率が、例えば、標準状態（気温２０℃、
湿度６５％）において４０％あり、ウールの２倍以上の
差がある。The acrylate-based moisture absorbing / releasing moisture-absorbing heat-generating fiber has a calorific value of about 60 J / g when thrown into 100 g of water kept at 20 ° C. under environmental conditions of 20 ° C. and 40% humidity. This is sufficient in terms of the calorific value at the time of water absorption, as compared with the calorific value of the wool fiber charged under the same conditions, about 15 J / g, and the calorific value of 0 J / g for the polyester fiber. In terms of the amount of moisture absorption, the weight change rate in the relative humidity change is, for example, the standard state (temperature 20 ° C.,
(Humidity: 65%) at 40%, which is more than twice as large as wool.
【００２６】綿、レーヨン等セルロース系繊維、羊毛、
羽毛等の動物繊維も吸放湿吸水発熱する性質を有する。
ただし、これらの繊維から構成される衣料品等は、吸放
湿吸水発熱よりも繊維の含有するデッドエア層により人
体からの熱を逃さないことで保温することに着眼点がお
かれている。Cellulose fibers such as cotton and rayon, wool,
Animal fibers such as feathers also have the property of absorbing and releasing moisture and absorbing water.
However, the focus is on keeping clothes warm by absorbing heat from the human body by a dead air layer containing fibers rather than moisture absorption / desorption water absorption and heat generation of clothing made of these fibers.
【００２７】本発明に用いる吸放湿吸水発熱性繊維は、
これら天然繊維以上の吸放湿吸水発熱性を有することが
必要で、天然繊維で最も吸湿率が高く、発熱性も高いと
考えられる羊毛よりも吸湿率、吸放湿吸水発熱性が高い
ことが必要になる。繊維の吸放湿吸水発熱性は、膨潤度
等検討する必要があるが、大体において公定水分率に比
例するものと考えられるので、公定水分率で羊毛繊維よ
り高い１６％以上であれば本発明で用いることが可能で
ある。The moisture-absorbing, moisture-absorbing, heat-generating fiber used in the present invention is
It is necessary that these fibers have a moisture absorption / desorption property that is higher than that of natural fibers.The natural fiber has the highest moisture absorption rate and the heat absorption / desorption property is higher than that of wool, which is considered to have high heat generation. Will be needed. It is necessary to consider the degree of swelling, etc. of the moisture absorption / desorption of the fiber, but it is considered that it is generally proportional to the official moisture content. It is possible to use in.
【００２８】この吸放湿吸水発熱性繊維を、０．０１mm
〜０．８mm程度に粉砕（ランダムカット）し、ふるいを
通過せしめたものを吸放湿吸水発熱性粉末として使用す
る。ふるいの目の大きさは、繊維粉末の添加分散させる
溶剤又は合成樹脂の溶剤溶液に対する拡散性、発泡性等
で使い分けることが必要である。The moisture-absorbing and moisture-absorbing heat-generating fiber is set to 0.01 mm
A powder that is ground (random cut) to about 0.8 mm and passed through a sieve is used as a moisture absorbing / releasing moisture absorbing / heat generating powder. It is necessary to select the size of the sieve according to the diffusivity, foaming property, etc. of the solvent for adding or dispersing the fiber powder or the solvent solution of the synthetic resin.
【００２９】本発明では、この吸放湿吸水発熱性繊維又
は粉末を、単層あるいは多層構造を有する不織布又は編
織物生地の基材層や、前記基材層上に形成された単層あ
るいは複数層の合成樹脂からなる表皮層に、少なくとも
１層以上含有させる。In the present invention, the moisture-absorbing / desorbing water-absorbing heat-generating fiber or powder is used as a base layer of a nonwoven or knitted woven fabric having a single-layer or multilayer structure, or a single layer or a plurality of layers formed on the base layer. At least one layer is contained in the skin layer made of synthetic resin.
【００３０】この吸放湿吸水発熱性繊維又は粉末を含有
させる方法としては、特に限定されるものではないが、
不織布又は編織物生地の基材層に含有させる場合は、基
材層を構成する繊維のうちの１つとして繊維状態で含有
させるか、基材層に含浸させる合成樹脂の溶剤溶液中に
添加分散させて含有させることが望ましい。表皮層に含
有させる場合は、材料樹脂の溶剤又は合成樹脂の溶剤溶
液に適宜の割合で吸放湿吸水発熱性繊維又は粉末を混入
分散させ、基材上に適当な方法で塗布または含浸させ、
表皮層を形成すれば良い。The method of incorporating the moisture-absorbing / absorbing water-absorbing heat-generating fiber or powder is not particularly limited,
When it is contained in the base layer of a nonwoven fabric or a knitted woven fabric, it is contained in a fiber state as one of the fibers constituting the base layer, or added and dispersed in a solvent solution of a synthetic resin impregnated in the base layer. It is desirable to contain them. When contained in the skin layer, the moisture-absorbing / desorbing water-absorbing heat-generating fiber or powder is mixed and dispersed in a solvent solution of the material resin or a solvent solution of the synthetic resin at an appropriate ratio, and is applied or impregnated on the base material by an appropriate method.
What is necessary is just to form a skin layer.
【００３１】ただし、この吸放湿吸水発熱性繊維又は粉
末を含有させる際は、繊維又は粉末の表面を他繊維およ
び樹脂等でできるだけ被覆しないようにすることが重要
である。例えば、吸放湿吸水発熱性繊維同士を相互に結
着して不織布の基材層を構成する場合、アクリルバイン
ダーなどに浸漬して面接着してしまうと繊維の表面をバ
インダーの被膜で覆うこととなり、吸放湿吸水発熱性繊
維の性能を発揮できない。そのため、吸放湿吸水発熱性
繊維をポリプロピレンや低融点ポリエステルなどと混繊
して加熱し、溶けた低融点繊維に接触する部分のみを結
合させて吸放湿吸水発熱性繊維の不織布を構成すること
が好ましい。However, when the moisture-absorbing / absorbing heat-absorbing heat-generating fiber or powder is contained, it is important that the surface of the fiber or powder is not covered with other fibers and resin as much as possible. For example, when a moisture-absorbing, moisture-absorbing, heat-generating fiber is bound to each other to form a nonwoven fabric base layer, if the fiber is immersed in an acrylic binder and adhered to the surface, the fiber surface is covered with a binder coating. And the performance of the moisture-absorbing / absorbing heat-generating fiber cannot be exhibited. Therefore, the moisture-absorbing and moisture-absorbing heat-generating fiber is mixed with polypropylene or low-melting-point polyester and heated, and only the portions in contact with the melted low-melting-point fiber are combined to form a nonwoven fabric of the moisture-absorbing and moisture-absorbing heat-generating fiber. Is preferred.
【００３２】また、泡立てたアクリルバインダーを吸放
湿吸水発熱性繊維に塗布し、吸放湿吸水発熱性繊維の表
面で泡を破裂させ、バインダーの表面張力により吸放湿
吸水発熱性繊維の接点にバインダーを凝集させて不織布
を構成することも好ましい。Further, the foamed acrylic binder is applied to the moisture-absorbing, moisture-absorbing, and heat-generating fiber to burst bubbles on the surface of the moisture-absorbing, moisture-absorbing, and heat-generating fiber, and the contact of the moisture-absorbing, moisture-absorbing, and heat-generating fiber is caused by the surface tension of the binder. It is also preferable to form a nonwoven fabric by aggregating a binder.
【００３３】吸放湿吸水発熱性繊維と他の繊維とを混紡
して編織地とし、基材層を構成する場合も、吸放湿吸水
発熱性繊維の糸が、他の繊維によって構成された補強層
に絡むような編織地にするのが強度を保つ上で好まし
い。また、吸放湿吸水発熱性繊維と他の繊維とを吸放湿
吸水発熱性繊維の一部が糸の表面上に露出するように混
紡した混紡糸を用いて、編織地の一部を構成すること
も、編織地が強度を保つ上でも好ましい。In the case where the moisture-absorbing / absorbing heat-generating fiber is blended with another fiber to form a knitted fabric and the base layer is formed, the yarn of the moisture-absorbing / absorbing heat-absorbing heat-generating fiber is also constituted by another fiber. It is preferable to form a knitted fabric that is entangled with the reinforcing layer in order to maintain strength. In addition, a part of the knitted fabric is formed by using a blended yarn obtained by blending the moisture-absorbing / heat-absorbing heat-generating fiber and another fiber such that a part of the moisture-absorbing / heat-absorbing heat-generating fiber is exposed on the surface of the yarn. It is also preferable to keep the strength of the knitted fabric.
【００３４】吸放湿吸水発熱性繊維又は粉末を含有した
不織布に、合成樹脂を含浸させる場合においても、例え
ば、湿式法では該不織布にポリウレタン樹脂のＤＭＦ
（ジメチルホルムアミド）溶液を含浸させ、水中に導入
し凝固させた後に乾燥させると、水中でＤＭＦの替わり
に置換された水が乾燥により蒸発し、水が存在していた
部分に空隙ができて、ポリウレタンの微細な連続スポン
ジ構造が形成される。When a synthetic resin is impregnated in a non-woven fabric containing moisture-absorbing and water-absorbing heat-generating fibers or powders, for example, a wet method is used to impregnate the non-woven fabric with a polyurethane resin DMF.
When impregnated with (dimethylformamide) solution, introduced into water, coagulated, and then dried, the water substituted for DMF in water evaporates by drying, and a void is formed in the portion where water was present, A fine continuous sponge structure of polyurethane is formed.
【００３５】乾式法でも同様に、ポリウレタン樹脂のＭ
ＥＫ（メチルエチルケトン）、トルオール、ＭＩＢＫ
（メチルイソブチルケトン）の混合溶剤またはどれか１
つの単独溶剤に、水を分散させたＷ／Ｏエマルジョンを
含浸させ、乾燥工程で有機溶剤を蒸発させると、水を含
んだ合成樹脂のゲル状状態を経て、さらに水が蒸発する
と、水が存在していたところに湿式法と同様のポリウレ
タンの微細な連続スポンジ構造が形成される。Similarly, in the dry method, the M
EK (methyl ethyl ketone), toluene, MIBK
Mixed solvent of (methyl isobutyl ketone) or any one
One single solvent is impregnated with a W / O emulsion in which water is dispersed, and the organic solvent is evaporated in a drying step. After the water-containing synthetic resin gels, the water evaporates. A fine continuous sponge structure of polyurethane is formed in the same place as in the wet method.
【００３６】湿乾どちらの方法でも、前記したように、
合成樹脂の微細な連続スポンジ構造を構成させることが
できれば、吸放湿吸水発熱性繊維又は粉末の表面を合成
樹脂で被覆される部分を減少させることができるので好
ましい。表皮層に吸放湿吸水発熱性繊維又は粉末を含有
させるときも、基材層と同様に、湿乾いずれかの方法で
表皮層にポリウレタンの微細な連続スポンジ構造を形成
し、吸放湿吸水発熱性繊維又は粉末の表面を合成樹脂で
できるだけ被覆しないようにすることが重要である。In either of the wet and dry methods, as described above,
It is preferable to form a fine continuous sponge structure made of a synthetic resin because the portion of the surface of the moisture-absorbing / desorbing water-absorbing heat-generating fiber or powder coated with the synthetic resin can be reduced. Even when the skin layer contains moisture-absorbing and moisture-absorbing heat-generating fibers or powder, a fine continuous sponge structure of polyurethane is formed on the skin layer by any of wet and dry methods, as in the case of the base layer, and the moisture-absorbing and moisture-absorbing water is absorbed. It is important that the surface of the exothermic fiber or powder is not covered with the synthetic resin as much as possible.
【００３７】吸放湿吸水発熱性繊維又は粉末の含有方法
であるが、人造皮革を構成する少なくとも１層に含有し
ていれば吸湿吸水発熱効果により保温効果を感じること
ができるが、基材層に含有させた方が肌近くに吸放湿吸
水発熱性繊維が存在することになって好ましい。The method of containing the moisture-absorbing and moisture-absorbing heat-generating fiber or powder is as follows. If it is contained in at least one layer constituting the artificial leather, a heat-retaining effect can be felt by the moisture-absorbing and heat-generating effect. It is preferable that the water-absorbing and water-absorbing heat-generating fibers exist near the skin.
【００３８】２層以上に吸放湿吸水発熱性繊維又は粉末
を含有する人造皮革の場合は、連続して２層以上に吸放
湿吸水発熱性繊維又は粉末を存在させると、湿気、水、
汗等の水分を裏側の基材層から表皮層を経て、人造皮革
表面から外界へ放散させる効果が高くなり、吸放湿吸水
発熱を長時間継続させると同時に、人体側をよりドライ
に保つことが可能となる。In the case of artificial leather containing moisture-absorbing / heat-absorbing heat-generating fiber or powder in two or more layers, if moisture-absorbing / water-absorbing heat-generating fiber or powder is continuously present in two or more layers, moisture, water,
The effect of dissipating moisture such as sweat from the base layer on the back side through the skin layer to the outside from the artificial leather surface to the outside world is increased, and the moisture absorption, desorption, water absorption and heat generation are maintained for a long time, and the human body side is kept more dry Becomes possible.
【００３９】前記の場合には、基材層に含浸する樹脂や
各表皮層が透湿性を有する樹脂で構成されていることが
好ましい。さらに、通気性を有する基材層、表皮層であ
れば、吸放湿吸水発熱を長時間継続させる効果が高くな
る。In the above case, it is preferable that the resin impregnating the base layer and the respective skin layers are made of a resin having moisture permeability. Furthermore, if the substrate layer and the skin layer have air permeability, the effect of maintaining moisture absorption / release, water absorption and heat generation for a long time is enhanced.
【００４０】上記の様に構成された人造皮革は、保温品
の全体を構成しても良いが、保温品の目的よっては、少
なくとも保温品の一部分に用いればよい場合もある。本
保温品は、例えば、ジャンバー、コート、手袋、スキー
ウェア、防寒用登山服、その他防寒用ジャケットなどの
防寒用衣服、登山靴等の防寒靴等に使用ができる。The artificial leather constructed as described above may constitute the whole heat-retaining product. However, depending on the purpose of the heat-retaining product, it may be sufficient to use at least a part of the heat-retaining product. The present heat-retaining product can be used, for example, for winter clothing such as jumpers, coats, gloves, ski wear, winter clothing, other winter clothing, and winter shoes such as mountain climbing shoes.
【００４１】また、人造皮革1層で吸放湿吸水発熱によ
る保温が可能なので、起毛生地、綿又は吸放湿吸水発熱
性繊維を含有する他の生地等と２層とする必要が無く、
人造皮革1層のみ使用したい箇所にも適用可能で生地を
合わせることによる重量増加、風合い硬化をなくすこと
ができるのと同時に人造皮革と生地を２層にするための
縫製等の工程を省くことができるため、コストダウンも
可能である。Further, since heat can be retained by moisture absorption / desorption and heat generation with one layer of artificial leather, there is no need to form two layers with brushed cloth, cotton or other cloth containing moisture absorption / desorption / heat generation fiber.
It can be applied to places where only one layer of artificial leather is desired. It can eliminate weight increase and texture hardening by matching the fabric, and at the same time, eliminates the need for sewing and other processes to make the two layers of artificial leather and fabric. As a result, costs can be reduced.
【００４２】[0042]
【実施例】（実施例１）アクリレート系吸放湿吸水発熱
性繊維３０％とポリエステル原綿を７０％混紡した４０
番の混紡糸を表側に配し、１１０dtex／４８fポリエス
テル長繊維を裏側に配し、裏側を片面起毛したＷフェー
スニットの基材層を用意する。(Example 1) 40 obtained by blending 30% of acrylate-based moisture absorbing / desorbing / absorbing heat-generating fiber and 70% of polyester raw cotton
The number-twisted yarn is disposed on the front side, the 110 dtex / 48f polyester long fiber is disposed on the back side, and a back face single-side brushed W face knit base material layer is prepared.
【００４３】前記基材層の表側に、ポリオキシエチレン
系ポリウレタンエラストマー（１００％Ｍｄ３５kg/c
m2）の３０％ＤＭＦ溶液１００部に対し、アクリレート
系吸放湿吸水発熱性繊維を０．１mm〜０．８mm程度に粉
砕（ランダムカット）し２０メッシュのふるいを通過せ
しめた吸放湿吸水発熱性繊維粉末２５部をＤＭＦ２００
部に分散させた液を加え、酸化防止剤１部、着色顔料８
部を添加して、ミキサーで十分に撹拌し均一にした分散
液を、ロールコーターで厚さ０．４ｍｍに均一に塗布し
て３０秒間放置する。On the front side of the substrate layer, a polyoxyethylene-based polyurethane elastomer (100% Md 35 kg / c
m 2 ) 30% DMF solution 100 parts, acrylate-based moisture-absorbing / absorbing / heat-generating fiber was crushed (random cut) to about 0.1 mm to 0.8 mm and passed through a 20-mesh sieve. 25 parts of exothermic fiber powder was added to DMF200
Was added to 1 part of an antioxidant, a color pigment 8
Then, the dispersion liquid which was sufficiently stirred with a mixer and made uniform was uniformly applied to a thickness of 0.4 mm with a roll coater and left for 30 seconds.
【００４４】前記、３０秒放置後、３０℃の水浴中に１
０分間浸漬して凝固させ、次いで、６０℃の温水で１時
間洗浄し、マングルで脱液した後、１００℃で２０分間
乾燥し、微多孔質のシート材を得た。次に、この微多孔
質シート材の皮膜表面を粒度１８０番の研磨紙を巻き付
けた回転ドラムシリンダーに押圧し、皮膜面から０．０
７mmを研削することによって、スエード状合成皮革を造
った。この合成皮革は基材層と表皮層の２層からなり、
両方にアクリレート系吸放湿吸水発熱性繊維を含有する
ことになる。After the above-mentioned standing for 30 seconds, the mixture was placed in a water bath at 30 ° C. for 1 hour.
It was immersed for 0 minute to solidify, then washed with warm water at 60 ° C. for 1 hour, drained with a mangle, and dried at 100 ° C. for 20 minutes to obtain a microporous sheet material. Next, the coating surface of the microporous sheet material was pressed against a rotating drum cylinder around which abrasive paper having a grain size of No. 180 was wound, and 0.04
Suede-like synthetic leather was produced by grinding 7 mm. This synthetic leather consists of two layers, a base layer and a skin layer,
Both will contain acrylate-based moisture absorbing / releasing moisture absorbing / heat generating fibers.
【００４５】（実施例２）アクリレート系吸放湿吸水発
熱性繊維を３０％とポリエステル原綿を７０％混紡した
４０番の混紡糸を表側に配し、１１０dtex／４８fポリ
エステル長繊維を裏側に配し、裏側を片面起毛したＷフ
ェースニットの基材層を用意する。(Example 2) No. 40 blended yarn obtained by blending 30% of acrylate-based moisture-absorbing / desorbing water-absorbing heat-generating fiber and 70% of polyester raw cotton was arranged on the front side, and 110 dtex / 48f polyester long fiber was arranged on the back side. Then, a base layer of a W face knit whose back side is brushed on one side is prepared.
【００４６】前記基材層の表側に、ポリオキシエチレン
系ポリウレタンエラストマー（１００％Ｍｄ３５kg/c
m2）の３０％ＤＭＦ溶液１００部に対し、ポリエステル
繊維を０．１mm〜０．８mm程度に粉砕（ランダムカッ
ト）し２０メッシュのふるいを通過せしめた吸放湿吸水
発熱性繊維粉末２５部をＤＭＦ２００部に分散させた液
を加え、酸化防止剤１部、着色顔料８部を添加して、ミ
キサーで十分に撹拌し均一にした分散液を、ロールコー
ターで厚さ０．４ｍｍに均一に塗布して３０秒間放置す
る。On the front side of the substrate layer, a polyoxyethylene-based polyurethane elastomer (100% Md 35 kg / c
With respect to 100 parts of a 30% DMF solution of m 2 ), 25 parts of a moisture-absorbing / desorbing water-absorbing heat-generating fiber powder obtained by crushing (random-cutting) polyester fibers to about 0.1 mm to 0.8 mm and passing through a 20-mesh sieve was used. A dispersion dispersed in 200 parts of DMF was added, 1 part of an antioxidant and 8 parts of a coloring pigment were added, and the mixture was sufficiently stirred and uniformly mixed with a mixer to a uniform thickness of 0.4 mm using a roll coater. And leave for 30 seconds.
【００４７】前記、３０秒放置後、３０℃の水浴中に１
０分間浸漬して凝固させ、次いで、６０℃の温水で１時
間洗浄し、マングルで脱液した後、１００℃で２０分間
乾燥し、微多孔質のシート材を得た。次に、この微多孔
質シート材の皮膜表面を、粒度１８０番の研磨紙を巻き
付けた回転ドラムシリンダーに押圧し、皮膜面から０．
０７mmを研削することによってスエード状合成皮革を造
った。この合成皮革は基材層と表皮層の２層からなり、
基材層にアクリレート系吸放湿吸水発熱性繊維を含有す
ることになる。After the above-mentioned standing for 30 seconds, the mixture was placed in a water bath at 30 ° C. for 1 hour.
It was immersed for 0 minute to solidify, then washed with warm water at 60 ° C. for 1 hour, drained with a mangle, and dried at 100 ° C. for 20 minutes to obtain a microporous sheet material. Next, the coating surface of this microporous sheet material was pressed against a rotating drum cylinder around which a 180-grit abrasive paper was wound, and the surface of the coating was 0.1 mm from the coating surface.
Suede-like synthetic leather was produced by grinding 07 mm. This synthetic leather consists of two layers, a base layer and a skin layer,
The base material layer contains the acrylate-based moisture absorbing / releasing moisture absorbing / heat generating fiber.
【００４８】（実施例３）ポリエステル１００％の４０
番混紡糸を表側に配し、１１０dtex／４８fポリエステ
ル長繊維を裏側に配し、裏側を片面起毛したＷフェース
ニットの基材層を用意する。Example 3 40% of 100% polyester
A # blended yarn is arranged on the front side, a 110 dtex / 48f polyester long fiber is arranged on the back side, and a base layer of a W-face knit whose back side is brushed on one side is prepared.
【００４９】前記基材層の表側に、ポリオキシエチレン
系ポリウレタンエラストマー（１００％Ｍｄ３５kg/c
m2）の３０％ＤＭＦ溶液１００部に対し、アクリレート
系吸放湿吸水発熱性繊維を０．１mm〜０．８mm程度に粉
砕（ランダムカット）し２０メッシュのふるいを通過せ
しめた吸放湿吸水発熱性繊維粉末２５部をＤＭＦ２００
部に分散させた液を加え、酸化防止剤１部、着色顔料８
部を添加して、ミキサーで十分に撹拌し均一にした分散
液を、ロールコーターで厚さ０．４ｍｍに均一に塗布し
て３０秒間放置する。On the front side of the substrate layer, a polyoxyethylene-based polyurethane elastomer (100% Md 35 kg / c
m 2 ) 30% DMF solution 100 parts, acrylate-based moisture-absorbing / absorbing / heat-generating fiber was crushed (random cut) to about 0.1 mm to 0.8 mm and passed through a 20-mesh sieve. 25 parts of exothermic fiber powder was added to DMF200
Was added to 1 part of an antioxidant, a color pigment 8
Then, the dispersion liquid which was sufficiently stirred with a mixer and made uniform was uniformly applied to a thickness of 0.4 mm with a roll coater and left for 30 seconds.
【００５０】前記、３０秒放置後、３０℃の水浴中に１
０分間浸漬して凝固させ、次いで、６０℃の温水で１時
間洗浄し、マングルで脱液した後、１００℃で２０分間
乾燥し、微多孔質のシート材を得た。次に、この微多孔
質シート材の皮膜表面を粒度１８０番の研磨紙を巻き付
けた回転ドラムシリンダーに押圧し、皮膜面から０．０
７ｍｍを研削することによってスエード状合成皮革を造
った。この合成皮革は基材層と表皮層の２層からなり、
表皮層にアクリレート系吸放湿吸水発熱性繊維を含有す
ることになる。After leaving for 30 seconds as described above, place in a water bath at 30 ° C. for 1 hour.
It was immersed for 0 minute to solidify, then washed with warm water at 60 ° C. for 1 hour, drained with a mangle, and dried at 100 ° C. for 20 minutes to obtain a microporous sheet material. Next, the coating surface of the microporous sheet material was pressed against a rotating drum cylinder around which abrasive paper having a grain size of No. 180 was wound, and 0.04
Suede-like synthetic leather was produced by grinding 7 mm. This synthetic leather consists of two layers, a base layer and a skin layer,
The skin layer contains the acrylate-based moisture-absorbing / absorbing heat-generating fiber.
【００５１】（比較例１）ポリエステル１００％の４０
番混紡糸を表側に配し、１１０dtex／４８fポリエステ
ル長繊維を裏側に配し、裏側を片面起毛したＷフェース
ニットの基材層を用意する。(Comparative Example 1) 40% of 100% polyester
A # blended yarn is arranged on the front side, a 110 dtex / 48f polyester long fiber is arranged on the back side, and a base layer of a W-face knit whose back side is brushed on one side is prepared.
【００５２】前記基材層の表側に、ポリオキシエチレン
系ポリウレタンエラストマー（１００％Ｍｄ３５kg/c
m2）の３０％ＤＭＦ溶液１００部に対し、綿繊維を０．
１mm〜０．８mm程度に粉砕（ランダムカット）し２０メ
ッシュのふるいを通過せしめた吸放湿吸水発熱性繊維粉
末２５部をＤＭＦ２００部に分散させた液を加え、酸化
防止剤１部、着色顔料８部を添加して、ミキサーで十分
に撹拌し均一にした分散液を、ロールコーターで厚さ
０．４ｍｍに均一に塗布して３０秒間放置する。On the front side of the substrate layer, a polyoxyethylene-based polyurethane elastomer (100% Md 35 kg / c
m 2 ) in 100 parts of a 30% DMF solution, and add cotton fiber to 0.1 part.
A liquid obtained by dispersing 25 parts of moisture-absorbing, moisture-absorbing and heat-generating fiber powder which has been pulverized (random cut) to about 1 mm to 0.8 mm and passed through a 20-mesh sieve in 200 parts of DMF is added, and 1 part of an antioxidant, a coloring pigment 8 parts are added, the dispersion liquid sufficiently stirred and homogenized by a mixer is uniformly applied to a thickness of 0.4 mm by a roll coater, and left for 30 seconds.
【００５３】前記、３０秒放置後、３０℃の水浴中に１
０分間浸漬して凝固させ、次いで、６０℃の温水で１時
間洗浄し、マングルで脱液した後、１００℃で２０分間
乾燥し、微多孔質のシート材を得た。次に、この微多孔
質シート材の皮膜表面を粒度１８０番の研磨紙を巻き付
けた回転ドラムシリンダーに押圧し、皮膜面から０．０
７ｍｍを研削することによってスエード状合成皮革を造
った。この合成皮革は基材層と表皮層の２層からなり、
表皮層に綿繊維を実施例２と同量含有することになる。After the above-mentioned standing for 30 seconds, the mixture was placed in a water bath at 30 ° C. for 1 hour.
It was immersed for 0 minute to solidify, then washed with warm water at 60 ° C. for 1 hour, drained with a mangle, and dried at 100 ° C. for 20 minutes to obtain a microporous sheet material. Next, the coating surface of the microporous sheet material was pressed against a rotating drum cylinder around which abrasive paper having a grain size of No. 180 was wound, and 0.04
Suede-like synthetic leather was produced by grinding 7 mm. This synthetic leather consists of two layers, a base layer and a skin layer,
The skin layer contains the same amount of cotton fibers as in Example 2.
【００５４】（比較例２）ポリエステル１００％の４０
番混紡糸を表側に配し、１１０dtex／４８fポリエステ
ル長繊維を裏側に配し、裏側を片面起毛したＷフェース
ニットの基材層を用意する。Comparative Example 2 40% of 100% polyester
A # blended yarn is arranged on the front side, a 110 dtex / 48f polyester long fiber is arranged on the back side, and a base layer of a W-face knit whose back side is brushed on one side is prepared.
【００５５】前記基材層の表側に、ポリオキシエチレン
系ポリウレタンエラストマー（１００％Ｍｄ３５kg/c
m2）の３０％ＤＭＦ溶液１００部に対し、ポリエステル
繊維を０．１mm〜０．８mm程度に粉砕（ランダムカッ
ト）し２０メッシュのふるいを通過せしめた吸放湿吸水
発熱性繊維粉末２５部をＤＭＦ２００部に分散させた液
を加え、酸化防止剤１部、着色顔料８部を添加して、ミ
キサーで十分に撹拌し均一にした分散液を、ロールコー
ターで厚さ０．４ｍｍに均一に塗布して３０秒間放置す
る。On the front side of the base layer, a polyoxyethylene-based polyurethane elastomer (100% Md 35 kg / c
With respect to 100 parts of a 30% DMF solution of m 2 ), 25 parts of a moisture-absorbing / desorbing water-absorbing heat-generating fiber powder obtained by crushing (random-cutting) polyester fibers to about 0.1 mm to 0.8 mm and passing through a 20-mesh sieve was used. A dispersion dispersed in 200 parts of DMF is added, 1 part of an antioxidant and 8 parts of a color pigment are added, and the mixture is sufficiently stirred and uniformly mixed with a mixer to a uniform thickness of 0.4 mm using a roll coater. And leave for 30 seconds.
【００５６】前記、３０秒放置後、３０℃の水浴中に１
０分間浸漬して凝固させ、次いで、６０℃の温水で１時
間洗浄し、マングルで脱液した後、１００℃で２０分間
乾燥し、微多孔質のシート材を得た。次に、この微多孔
質シート材の皮膜表面を粒度１８０番の研磨紙を巻き付
けた回転ドラムシリンダーに押圧し、皮膜面から０．０
７ｍｍを研削することによってスエード状合成皮革を造
った。この合成皮革は基材層と表皮層の２層からなり、
表皮層にポリエステル繊維を実施例２と同量含有するこ
とになる。After the above-mentioned standing for 30 seconds, the plate was placed in a water bath at 30 ° C. for 1 hour.
It was immersed for 0 minute to solidify, then washed with warm water at 60 ° C. for 1 hour, drained with a mangle, and dried at 100 ° C. for 20 minutes to obtain a microporous sheet material. Next, the coating surface of the microporous sheet material was pressed against a rotating drum cylinder around which abrasive paper having a grain size of No. 180 was wound, and 0.04
Suede-like synthetic leather was produced by grinding 7 mm. This synthetic leather consists of two layers, a base layer and a skin layer,
The skin layer contains the same amount of polyester fibers as in Example 2.
【００５７】以上、実施例１〜３、比較例１、２を裁
断、縫製して皮コート（裏地なしの１枚もの）を作製し
た。これを、本発明品１、２、３、比較品１、２とす
る。また、同じく実施例１〜３、比較例１、２と同じ生
地を用いて１枚物の手袋を作製し、これを本発明品４、
５、６、比較品３、４とする。As described above, Examples 1 to 3 and Comparative Examples 1 and 2 were cut and sewn to produce a leather coat (one sheet without a lining). These are referred to as products 1, 2, and 3 of the present invention and comparative products 1 and 2. Also, a single glove was prepared using the same fabric as in Examples 1 to 3 and Comparative Examples 1 and 2, and this was used as the product 4 of the present invention.
5, 6 and comparative products 3, 4.
【００５８】（実施例４）実施例１とは、裏起毛加工を
施していない点を除いて同一構造の基材層を使用し、塗
布する厚みを０．６ｍｍにする点を除いて同一構造の表
皮層にした合成皮革とした。Example 4 The same structure as in Example 1 was used except that the base layer having the same structure was used except that the back brushing process was not performed, and the applied thickness was 0.6 mm. The synthetic leather was used as the skin layer.
【００５９】（実施例５）実施例２とは、裏起毛加工を
施していない点を除いて同一構造の基材層を使用し、塗
布する厚みを０．６ｍｍにする点を除いて同一構造の表
皮層にした合成皮革とした。Example 5 The same structure as in Example 2 was used except that the base layer having the same structure was used except that the back raising process was not performed, and the thickness to be applied was 0.6 mm. The synthetic leather was used as the skin layer.
【００６０】（実施例６）実施例３とは、裏起毛加工を
施していない点を除いて同一構造の基材層を使用し、塗
布する厚みを０．６ｍｍにする点を除いて同一構造の表
皮層にした合成皮革とした。Example 6 The same structure as in Example 3 was used except that the base layer having the same structure was used except that the back raising process was not performed, and the applied thickness was 0.6 mm. The synthetic leather was used as the skin layer.
【００６１】（比較例３）比較例１とは、裏起毛加工を
施していない点を除いて同一構造の基材層を使用し、塗
布する厚みを０．６ｍｍにする点を除いて同一構造の表
皮層にした合成皮革とした。Comparative Example 3 The same structure as that of Comparative Example 1 was used except that the base layer having the same structure was used except that the back brushing was not performed, and the thickness to be applied was 0.6 mm. The synthetic leather was used as the skin layer.
【００６２】（比較例４）比較例２とは、裏起毛加工を
施していない点を除いて同一構造の基材層を使用し、塗
布する厚みを０．６ｍｍにする点を除いて同一構造の表
皮層にした合成皮革とした。(Comparative Example 4) The same structure as in Comparative Example 2 except that the base layer having the same structure was used except that the back brushing process was not performed, and the thickness to be applied was 0.6 mm. The synthetic leather was used as the skin layer.
【００６３】以上、実施例４〜６、比較例３、４を裁
断、縫製して靴を作製して、本発明品７、８、９、比較
品５、６とする。As described above, Examples 4 to 6 and Comparative Examples 3 and 4 are cut and sewn to produce shoes, which are referred to as Products 7, 8, 9 and Comparative Products 5, 6.
【００６４】流入口、排出口を備えた箱上面が開口した
装置を用意し、本発明品１〜３、比較品１、２のいずれ
かの試料を箱上面開口部に装着して、箱上面をふさぐ。
これにより、丁度各試料から製造した衣服を着用したの
と同様の状態が再現できる。この装置を用いて、人体へ
の着用を想定したテストを行なった。A device having an opening at the top of the box provided with an inlet and an outlet is prepared, and one of the samples of the present invention 1 to 3 and the comparative products 1 and 2 is attached to the opening at the top of the box. Close up.
As a result, the same state as wearing clothes manufactured from each sample can be reproduced. Using this device, a test was performed assuming that it was worn on the human body.
【００６５】まず、装置の置かれている環境温湿度を２
０℃、５０％RHにし、試料を装着後、２７℃、３５％RH
の空気を１０リットル／分の流量で流入口から装置内に
流し、温湿度を安定させる。次に、計測開始１分後に、
２７℃、７５％RHの空気を同様の流量で２０分間流し続
ける。この間本発明品１〜３、比較品１、２の皮革裏面
に装着した温度センサーで、皮革裏面温度を１０秒ごと
に記録する。その結果が図１である。First, the environmental temperature and humidity where the device is
0 ° C, 50% RH, 27 ° C, 35% RH after mounting the sample
At a flow rate of 10 liters / minute from the inlet to stabilize the temperature and humidity. Next, one minute after the start of measurement,
The air of 27 ° C. and 75% RH is kept flowing at the same flow rate for 20 minutes. During this time, the temperature of the leather back surface is recorded every 10 seconds by a temperature sensor attached to the leather back surface of the products 1 to 3 of the present invention and the comparative products 1 and 2. FIG. 1 shows the result.
【００６６】図１から、本発明品は比較品と比較して、
皮革裏面温度が高い領域にあることが分かる。また、本
発明品１と２を比較すると１の方が、本発明品２と３を
比較すると２の方が、発熱が継続していることが分か
る。本発明品４〜６、比較品３、４も、図１と同様な結
果が得られると考えられる。FIG. 1 shows that the product of the present invention is
It turns out that it is in the area | region where the leather back surface temperature is high. In addition, it can be seen that the comparison between the products 1 and 2 of the present invention and the comparison between the products 2 and 3 of the present invention show that the heat generation of the product 1 and 2 is continued. The products 4 to 6 of the present invention and the comparative products 3 and 4 are considered to obtain the same results as in FIG.
【００６７】従って、図１から次のことが言える。アク
リレート系吸放湿吸水発熱性繊維を含有している合成皮
革は発熱効果があり、基材層に含有しているものの方が
さらに効果がある。基材層と表皮層の連続した２層に含
有しているものの方が発熱がより継続する。Therefore, the following can be said from FIG. Synthetic leather containing acrylate-based moisture absorbing / desorbing water-absorbing and heat-generating fibers has a heat-generating effect, and those contained in the base material layer are more effective. Heat generation continues more in those contained in two continuous layers of the base material layer and the skin layer.
【００６８】次に、本発明品１〜９、比較品１〜６を用
いて、着用テストを行った。１０℃、４５％ＲＨの人工
気象室で、健康な男女３０人に本発明品と比較品とを着
用してもらい、暖かさを非常に感じる、やや感じる、わ
ずかに感じる、感じないの４段階評価のアンケート調査
を行なった。その結果が以下の通りである。Next, a wearing test was performed using the products 1 to 9 of the present invention and the comparative products 1 to 6. 30 healthy men and women in the artificial weather room at 10 ° C and 45% RH wear the product of the present invention and the comparative product, and the warmth is felt very, slightly, slightly, and not felt. An evaluation questionnaire was conducted. The results are as follows.
【００６９】[0069]
【表１】 [Table 1]
【００７０】革コート、手袋、靴の各アイテムとも本発
明品の方が比較品よりも暖かさをより感じることがこの
着用テストからわかる。また、本発明品でも、基材層、
表皮層の連続した２層に吸放湿吸水発熱性繊維、粉末を
含有させた本発明品１、４、７、基材層のみに含有させ
た本発明２、５、８、表皮層のみに含有させた本発明品
３、６、９の順で暖かさを感じており、この結果は、衣
服内シミュレーターによるテストの結果と符合する。From the wear test, it can be seen that the product of the present invention feels more warmth than the comparative product in each of the leather coat, glove, and shoe items. Also, in the present invention, the substrate layer,
Inventive products 1, 4, and 7 containing moisture absorbing / desorbing water-absorptive heat-generating fiber and powder in two continuous skin layers, inventions 2, 5, and 8 containing only base material layer, only in skin layer Warmth is felt in the order of the present invention products 3, 6, and 9 which are contained, and this result matches the result of the test by the in-clothing simulator.
【００７１】[0071]
【発明の効果】本発明による人造皮革を使用すれば、人
造皮革１層のみで製品を構成した場合でも、十分な発熱
効果を発揮するものである。さらに、吸放湿吸水発熱性
繊維又は吸放湿吸水発熱性粉末を含有する層を少なくと
も連続して２層以上有する人造皮革を使用した保温品と
すれば、さらに発熱効果が期待できる。The use of the artificial leather according to the present invention provides a sufficient heat generation effect even when the product is composed of only one layer of artificial leather. Furthermore, a heat-retaining product using artificial leather having at least two continuous layers containing moisture-absorbing / heat-absorbing heat-generating fiber or moisture-absorbing / water-absorbing heat-generating powder can be expected.
【００７２】しかも、従来のように吸放湿吸水発熱性繊
維を含有させた不織布又は編織物生地を、接着剤等のバ
インダーを介して張り付けた場合と異なり、バインダー
等が吸放湿吸水発熱性繊維の表面一部もしくは全部を被
覆してしまって吸放湿吸水発熱性機能が十分に発揮でき
ないというようなことがなくなる。また、皮革部と生地
部の２層となって重量が増加し、風合いが硬くなった
り、加工工程が増えてコストアップになるというような
こともなくなる。In addition, unlike a conventional nonwoven fabric or a knitted woven fabric containing moisture-absorbing, moisture-absorbing, and heat-generating fibers, which is bonded with a binder such as an adhesive, the binder or the like absorbs, absorbs, absorbs, and absorbs heat. It is not possible to cover a part or all of the surface of the fiber so that the function of absorbing and releasing moisture and absorbing heat is not sufficiently exhibited. In addition, the weight is increased due to the two layers of the leather portion and the fabric portion, and the texture is not hardened, and the number of processing steps is increased and the cost is not increased.
【００７３】基材層、表皮層を構成する各層すべてが透
湿性、通気性を有する人造皮革を使用した保温品とすれ
ば、さらに湿気を効率良く外部に排出し、発汗時に蒸れ
を感じることもない。If all of the layers constituting the base layer and the skin layer are made of a heat insulating product using artificial leather having moisture permeability and air permeability, the moisture can be efficiently discharged to the outside, and the user may feel stuffy when sweating. Absent.
【図１】本発明人造皮革及び比較品の発熱量を測定した
実験結果である。FIG. 1 is an experimental result of measuring the calorific value of the artificial leather of the present invention and a comparative product.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ａ４１Ｄ 31/00 ５０１ Ａ４１Ｄ 31/00 ５０１Ｃ ５０１Ｄ ５０２ ５０２Ｎ ５０２Ｔ ５０３ ５０３Ｊ ５０４ ５０４Ｄ 31/02 31/02 Ａ Ｃ Ｄ Ｊ Ｂ３２Ｂ 27/12 Ｂ３２Ｂ 27/12 27/30 27/30 Ｚ Ｄ０６Ｍ 15/263 Ｄ０６Ｍ 15/263 Ｄ０６Ｎ 3/00 ＤＡＡ Ｄ０６Ｎ 3/00 ＤＡＡ Ｆターム(参考） 3B030 AA01 AB06 3B031 AA08 AA10 AA13 AB01 AB07 AC01 AE08 4F055 AA01 BA12 BA13 CA14 EA04 EA06 EA23 FA18 FA21 GA02 HA04 4F100 AK01D AK01E AK27C AK27E AK27K AK41 AL06C AL06E BA05 BA07 BA10A BA10E DE01C DE01E DG01C DG01E DG04 DG12A DG12B DG16A DG16B DG18 EJ34 GB72 JA20 JD02 JD15C JD15E JJ06C JJ06E 4L033 AA05 AA07 AB06 AC07 AC15 CA18 CA50 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) A41D 31/00 501 A41D 31/00 501C 501D 502 502N 502T 503 503J 504 504D 31/02 31/02 ACD J B32B 27/12 B32B 27/12 27/30 27/30 Z D06M 15/263 D06M 15/263 D06N 3/00 DAA D06N 3/00 DAA F-term (reference) 3B030 AA01 AB06 3B031 AA08 AA10 AA13 AB01 AB07 AC01 AE08 4F055 AA01 BA12 BA13 CA14 EA04 EA06 EA23 FA18 FA21 GA02 HA04 4F100 AK01D AK01E AK27C AK27E AK27K AK41 AL06C AL06E BA05 BA07 BA10A BA10E DE01C DE01E DG01C DG01E DG04 DG12A DG12B DG16A DG16B DG18 EJ34 GB72 JA20 JD02 JD15C JD15E JJ06C JJ06E 4L033 AA05 AA07 AB06 AC07 AC15 CA18 CA50
Claims (7)
は編織物生地の基材層上に、単層あるいは複数層の合成
樹脂からなる表皮層を形成した人造皮革であり、吸放湿
吸水発熱性繊維又は吸放湿吸水発熱性粉末を含有する層
を少なくとも１層以上有する人造皮革を使用した保温
品。1. An artificial leather comprising a single layer or a plurality of layers of a synthetic resin skin layer formed on a base layer of a non-woven fabric or a knitted woven fabric having a single-layer or multi-layer structure. A thermal insulation product using artificial leather having at least one layer containing fibers or moisture-absorbing / absorbing heat-generating powder.
は編織物生地の基材層上に、単層あるいは複数層の合成
樹脂からなる表皮層を形成した人造皮革であり、吸放湿
吸水発熱性繊維又は吸放湿吸水発熱性粉末を少なくとも
１層以上に含有する基材層と、表皮層とからなる人造皮
革を使用した保温品。2. An artificial leather comprising a single layer or a plurality of layers of a synthetic resin skin layer formed on a base layer of a nonwoven or knitted woven fabric having a single layer or a multilayer structure. A heat insulation product using artificial leather comprising a base layer containing at least one fiber or moisture-absorbing / heat-absorbing and heat-generating powder and a skin layer.
は編織物生地の基材層上に、単層あるいは複数層の合成
樹脂からなる表皮層を形成した人造皮革であり、吸放湿
吸水発熱性繊維又は吸放湿吸水発熱性粉末を含有する層
を少なくとも連続して２層以上有する人造皮革を使用し
た保温品。3. An artificial leather comprising a single layer or a multi-layer skin layer formed of a synthetic resin on a base layer of a non-woven fabric or a knitted woven fabric having a single-layer or multi-layer structure. A heat insulation product using artificial leather having at least two continuous layers containing fibers or moisture-absorbing / absorbing / heat-generating powder.
透湿性を有する請求項１乃至３のいずれか１項に記載の
人造皮革を使用した保温品。4. A heat insulation product using artificial leather according to claim 1, wherein all of the layers constituting the base material layer and the skin layer have moisture permeability.
気性を有する請求項１乃至３のいずれか１項に記載の人
造皮革を使用した保温品。5. A heat insulation product using artificial leather according to any one of claims 1 to 3, wherein all layers constituting the base layer and the skin layer have air permeability.
放湿吸水発熱性粉末は、公定水分率が１６％以上であっ
て、羊毛繊維以上の吸湿発熱性を有する合成繊維又は該
繊維の粉末である請求項１乃至５のいずれか１項に記載
の人造皮革を使用した保温品。6. The moisture-absorbing and moisture-absorbing heat-generating fiber or moisture-absorbing and moisture-absorbing heat-generating powder to be contained has an official moisture content of 16% or more, and has a moisture absorbing and heat-generating property equal to or higher than that of wool fiber. A heat insulation product using the artificial leather according to any one of claims 1 to 5, which is a powder.
放湿吸水発熱性粉末は、アクリロニトリル系繊維のニト
リル結合部の一部にヒドラジン架橋部を導入して高架橋
繊維構造にし、ニトリル結合部の残りの一部を加水分解
して水酸基、カルボキシル基、塩型カルボキシル基、ア
ミド基のうち１種類以上の官能基を導入したアクリレー
ト系繊維又は該繊維の粉末である請求項１乃至５のいず
れか１項に記載の人造皮革を使用した保温品。7. The moisture-absorbing and moisture-absorbing heat-generating fiber or moisture-absorbing and moisture-absorbing heat-generating powder to be contained is made into a highly crosslinked fiber structure by introducing a hydrazine crosslinked portion into a part of a nitrile-bonded portion of an acrylonitrile-based fiber. 6. An acrylate fiber obtained by hydrolyzing the remaining part of the compound to introduce one or more functional groups among a hydroxyl group, a carboxyl group, a salt-type carboxyl group, and an amide group, or a powder of the fiber. A heat insulation product using the artificial leather according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001054851A JP2002266113A (en) | 2001-02-28 | 2001-02-28 | Warmth-keeping product using artificial leather containing moisture-absorbing and releasing fiber generating heat by water-absorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001054851A JP2002266113A (en) | 2001-02-28 | 2001-02-28 | Warmth-keeping product using artificial leather containing moisture-absorbing and releasing fiber generating heat by water-absorption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002266113A true JP2002266113A (en) | 2002-09-18 |
Family
ID=18915120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001054851A Pending JP2002266113A (en) | 2001-02-28 | 2001-02-28 | Warmth-keeping product using artificial leather containing moisture-absorbing and releasing fiber generating heat by water-absorption |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002266113A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011089245A (en) * | 2009-09-28 | 2011-05-06 | Toyobo Co Ltd | Synthetic leather for interior automotive trim |
| WO2012077180A1 (en) * | 2010-12-07 | 2012-06-14 | 東洋紡績株式会社 | Synthetic leather for automobile interior material use |
| KR101295045B1 (en) | 2013-04-01 | 2013-08-09 | (주)웰크론 | Manufacturing method of exothermic non-woven fabric |
| EP2684692A4 (en) * | 2012-04-18 | 2015-11-04 | Ohshin Mlp Co Ltd | Multilayer sheet, heat-retaining structure provided with same, and method for producing multilayer sheet |
| CN114468432A (en) * | 2022-03-07 | 2022-05-13 | 高梵(浙江)信息技术有限公司 | Waterproof fabric for down garment and preparation method thereof |
-
2001
- 2001-02-28 JP JP2001054851A patent/JP2002266113A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011089245A (en) * | 2009-09-28 | 2011-05-06 | Toyobo Co Ltd | Synthetic leather for interior automotive trim |
| WO2012077180A1 (en) * | 2010-12-07 | 2012-06-14 | 東洋紡績株式会社 | Synthetic leather for automobile interior material use |
| CN102741090A (en) * | 2010-12-07 | 2012-10-17 | 东洋纺织株式会社 | Synthetic leather for automobile interior material use |
| EP2684692A4 (en) * | 2012-04-18 | 2015-11-04 | Ohshin Mlp Co Ltd | Multilayer sheet, heat-retaining structure provided with same, and method for producing multilayer sheet |
| KR101295045B1 (en) | 2013-04-01 | 2013-08-09 | (주)웰크론 | Manufacturing method of exothermic non-woven fabric |
| CN114468432A (en) * | 2022-03-07 | 2022-05-13 | 高梵(浙江)信息技术有限公司 | Waterproof fabric for down garment and preparation method thereof |
| CN114468432B (en) * | 2022-03-07 | 2023-07-28 | 高梵(浙江)信息技术有限公司 | Waterproof fabric for down jackets and preparation method thereof |
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