JPH033576B2 - - Google Patents
Info
- Publication number
- JPH033576B2 JPH033576B2 JP57047337A JP4733782A JPH033576B2 JP H033576 B2 JPH033576 B2 JP H033576B2 JP 57047337 A JP57047337 A JP 57047337A JP 4733782 A JP4733782 A JP 4733782A JP H033576 B2 JPH033576 B2 JP H033576B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- water
- polyurethane
- fabric
- weight
- 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.)
- Expired - Lifetime
Links
- 239000004744 fabric Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000035699 permeability Effects 0.000 claims description 7
- 239000005871 repellent Substances 0.000 claims description 7
- 239000002657 fibrous material Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000006082 mold release agent Substances 0.000 claims 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 229920000728 polyester Polymers 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 230000002940 repellent Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 229920006267 polyester film Polymers 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 210000004243 sweat Anatomy 0.000 description 3
- YQFIWRZWBBOPAF-UHFFFAOYSA-N 1,6-diisocyanatohexane;2-ethyl-2-(hydroxymethyl)propane-1,3-diol Chemical compound CCC(CO)(CO)CO.O=C=NCCCCCCN=C=O YQFIWRZWBBOPAF-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 229920000544 Gore-Tex Polymers 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 229920005906 polyester polyol Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 241000779819 Syncarpia glomulifera Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000007756 gravure coating Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001739 pinus spp. Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 229920006264 polyurethane film Polymers 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 229940036248 turpentine Drugs 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Description
【発明の詳細な説明】
本発明は、防水、透湿性貼り合せ布帛の製造法
に関するものである。さらに詳しくは、本発明
は、すぐれた防水性、透湿性を有し、表面が90点
以上の撥水性、裏面が10sec以下のウイツキング
性のある柔軟でか伸縮性にすぐれた貼り合せ布帛
の製造法に関する。
従来より、各種の防水性、透湿性コーテイング
または貼り合せ布帛が公表され、市場でも多く使
用されている。しかし、現在市販されている防水
性、透湿性布帛は、風合が粗軟で経緯に伸縮性を
有するものはない。また、市販の透明湿性布帛
は、測定上優れた透湿度を与えるが、体に接する
面において十分なる汗、水、吸収性に欠け、実用
上の問題となつている。
例えば、現在ゴア社から出されているゴアテツ
クスフイルムを貼り合せて、各種の防水、透湿性
貼り合せ布帛が使用されている。しかし、これら
の製品の中には、ゴアテツクスフイルムの伸縮性
が不十分なため、伸縮性素材に適用したものは、
見当たらない。また、一方、繊維素材に直接ポリ
ウレタンをコーテイングして得られる防水、透湿
性布帛は、よく知られ、市場に出まわつている
が、これらは全て布帛両面に高度な撥水性を有す
るため、測定上は優れた透湿度を与えるが、実用
上では汗を十分発散せず、着心地は期待するほど
ではない。
本発明者らは、上述の欠点を改良するため、
種々の検討を行なつた結果、風合がきわめて柔軟
で、伸縮性に富み、防水、透湿性を有し、布帛片
面は、撥水性、片面は吸水性というそれぞれ相反
する４つの性質を兼ね備えた貼り合せ布帛を作る
ことに成功した。
すなわち、本発明は、離型剤を塗布した製膜用
支持体フイルム上に湿式法によりポリウレタン微
多孔質フイルム層を設け、その上に塗布面積30〜
70％にて接着剤を塗布して後伸縮性繊維素材を貼
り合せ、次いで製膜用支持体フイルムをはく離
し、撥水処理することにより経及び緯方向の伸度
が５％から200％あり、耐水圧が350mmH2O／cm2
以上、透湿度が2500ｇ／m2／24hrs以上の性能を
有する貼り合せ布帛を製造することを特徴とする
貼り合せ布帛の製造法である。
本発明におけるポリウレタン重合体を主成とす
る微多孔質フイルムとは、湿式凝固法によつて製
造されたフイルムで、通常ポリウレタンの有機溶
媒溶液を離型性を有する製膜用支持体表面に塗布
し、水等の凝固浴に浸漬して製膜し、乾燥して得
られるものであり５〜50μの厚みを有し、透湿度
が3000ｇ／m2／24hrsのフイルムである。また、
本発明でいう貼り合せ伸縮素材は、セルロース
系、ポリエステル、ナイロン、アクリル、ウレタ
ン等現在市場で得られるいずれの繊維からなるも
のでもよく、それら繊維の単独または、混編繊さ
れた伸縮素材を含む。また、伸縮性は５％から
200％の範囲が必要であり、５％以下の伸縮性で
はスポーツ用としては不向きであり、200％以上
の場合は、フイルムが破壊するため好ましくな
い。フイルムと繊維素材の貼り合せは、市場で従
来使用されている水系、エマルジヨン系、溶剤系
接着剤をフイルムにグラビア法、ロータリー捺染
法等により、塗布面積が30〜70％、望ましくは40
〜60％になるように塗布し、乾燥後、または乾燥
することなしに繊維素材と貼り合せ、適当な熱プ
レスを与え接着する。一方、本発明でいう撥水、
吸水性に関しては、従来使用されている水系、溶
剤系の加工剤を用いればよく、フイルム貼り合せ
後、各加工剤をその性能を必要とする面にそれぞ
れグラビア、キスロール等方法で施す。ここにお
いてフイルムとの接着に問題がなれば、生地に前
もつてそれぞれの加工剤を各種方法で付与し、フ
イルム貼り合せ後、フイルム面に必要な加工剤を
グラビア、キスロール等方法で付与することがで
きる。
次に実施例をあげて本発明を説明する。
実施例 １
ポリウレタン微多孔質フイルムは、シリコーン
系離型剤を、塗布したポリエステルフイルムにポ
リエステル系ポリウレタンエラストマー20重量部
をジメチルホルムアミド85重量部に溶解したもの
をリバースコーターにより20μの厚さに塗布し、
ただちに水に５分間浸漬し、10分間60℃温湯に浸
漬し、マングルで脱水し、120℃で５分間乾燥し
て作製した。次に該ポリウレタン微多孔質フイル
ムに、ポリエステル系ポリオール35重量部にトリ
メチロールプロパンヘキサメチレンジイソシアネ
ート５重量部をトルエン／酢酸エチル混合溶剤に
溶解したものを塗布面積が50％、塗布量が固形分
で８ｇ／m2になるようにグラビアコーターで塗布
し、乾燥することなしに、50デニールポリエステ
ルフイラメント糸使いのコース50／インチ、ウエ
ル50／インチの染色されたトリコツト編物と貼り
合せ１Kg／cm2の圧力でプレスし、２日間室温で放
置しておいた。次にポリエステルフイルムから当
加工素材をはく離し、当素材にフツ素系撥水剤の
５％水溶液にてパツデイングして撥水性を付与し
た。次に乾燥し、170℃で１分間セツトをして仕
上げた。
実施例 ２
実施例１に従つて作製したポリウレタン微多孔
質フイルムにポリエステル系ポリオール35重量部
にトリメチロールプロパンヘキサメチレンジイソ
シアネート５重量部をトルエン／酢酸エチル混合
溶剤に溶解したものを塗布面積が40％、塗布量が
固形分で10ｇ／m2になるようにグラビアコーター
で塗布し、120℃、５分間乾燥した。次にこの塗
布面にまえもつてポリエチレングリコールのテレ
フタール酸エステル系吸汗剤0.3％水溶液でマン
グルパツド−乾燥処理してある75デニール、ポリ
エステルフイラメント糸使いのコース65／イン
チ、ウエル65／インチの染色されスムース編物を
貼り合せ、１Kg／cm2、80℃の熱ロールに通し、２
日間放置しておいた。次にポリエステルフイルム
よりはく離した当加工素材のフイルム面にグラビ
アコート法により、シリコーン系撥水剤５容量部
をターペン95重量部で溶解したものを塗布した。
次に乾燥し、170℃で１分間セツトをして仕上げ
た。
実施例 ３
実施例２で製造された撥水加工前のポリエステ
ルスムース編物貼り合せ布帛のフイルム面にさら
に実施例１、２で使用した接着剤溶液を塗布面積
が40％、塗布量が固形分で７ｇ／m2になるように
グラビアコーターで塗布し、乾燥することなく、
前もつて、フツ素系撥水剤５％水溶液でマングル
パツド−乾燥処理してある75デニール、ポリエス
テルフイラメント糸使いのコース65／インチ、ウ
エル65／インチの染色されたスムース編物を貼り
合せ１Kg／cm2でプレスし、２日間放置しておい
た。次に170℃１分間セツトをして仕上げた。
実施例１、２及び３の性能は次表のとおりであ
り、また、製品のストレツチバツク性もきわめ
て、良好であつた。
【表】DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a waterproof, breathable laminated fabric. More specifically, the present invention is directed to the production of a flexible and stretchable bonded fabric that has excellent waterproofness and moisture permeability, has a water repellency of 90 points or more on the surface, and a wicking property of 10 seconds or less on the back surface. Regarding the law. BACKGROUND ART Various waterproof and moisture permeable coatings or laminated fabrics have been published and are widely used in the market. However, among the waterproof and moisture permeable fabrics currently available on the market, there are none that have a rough and soft texture and are stretchable in weft and warp. Furthermore, although commercially available transparent moisture-permeable fabrics provide excellent moisture permeability when measured, they lack sufficient sweat, water, and absorbency on the surface that comes into contact with the body, which poses a practical problem. For example, various waterproof and moisture-permeable laminated fabrics are currently used by laminating Gore-Tex films produced by Gore. However, some of these products are applied to stretchable materials because the Gore-Tex film has insufficient stretchability.
Not found. On the other hand, waterproof and breathable fabrics obtained by directly coating fiber materials with polyurethane are well known and are on the market, but all of these fabrics have high water repellency on both sides, so provides excellent moisture permeability, but in practical terms it does not wick sweat well and is not as comfortable to wear as expected. In order to improve the above-mentioned drawbacks, the present inventors
As a result of various studies, we found that the fabric has four contradictory properties: extremely flexible texture, high elasticity, waterproofness, and moisture permeability; one side of the fabric is water repellent, and the other side is water absorbent. We succeeded in making a bonded fabric. That is, in the present invention, a polyurethane microporous film layer is provided by a wet method on a film-forming support film coated with a release agent, and a coating area of 30 to
After applying an adhesive at 70% and pasting the stretchable fiber material, the film-forming support film is then peeled off and water repellent treatment is applied to increase the elongation in the warp and weft directions from 5% to 200%. , water pressure resistance is 350mmH 2 O/cm 2
The above is a method for producing a bonded fabric characterized by producing a bonded fabric having a moisture permeability of 2500 g/m 2 /24 hours or more. The microporous film mainly composed of a polyurethane polymer in the present invention is a film produced by a wet coagulation method, and is usually a film produced by coating a solution of polyurethane in an organic solvent on the surface of a film-forming support that has mold releasability. The film is obtained by immersing the film in a coagulation bath of water or the like and drying it, and has a thickness of 5 to 50 μm and a moisture permeability of 3000 g/m 2 /24 hours. Also,
The bonded elastic material referred to in the present invention may be made of any fibers currently available on the market, such as cellulose, polyester, nylon, acrylic, urethane, etc., and includes elastic materials made of these fibers alone or in combination. . In addition, the elasticity starts from 5%.
A range of 200% is required; if the elasticity is less than 5%, it is unsuitable for sports use, and if it is more than 200%, the film will break, which is undesirable. The bonding of the film and the fiber material is carried out by applying water-based, emulsion-based, or solvent-based adhesives that are conventionally used on the market to the film, such as gravure or rotary printing, so that the applied area is 30 to 70%, preferably 40%.
Apply to ~60%, and after drying, or without drying, attach it to the fiber material and apply an appropriate heat press to bond. On the other hand, water repellency in the present invention,
Regarding water absorption, conventionally used water-based or solvent-based processing agents may be used, and after laminating the films, each processing agent is applied to the surface that requires its performance by a method such as gravure or kiss roll. If there is a problem with adhesion to the film, apply the respective processing agent to the fabric in advance using various methods, and after laminating the film, apply the necessary processing agent to the film surface using methods such as gravure or kiss roll. Can be done. Next, the present invention will be explained with reference to Examples. Example 1 A microporous polyurethane film was prepared by applying a silicone release agent to a polyester film coated with a solution of 20 parts by weight of a polyester polyurethane elastomer dissolved in 85 parts by weight of dimethylformamide to a thickness of 20μ using a reverse coater. ,
It was prepared by immediately immersing it in water for 5 minutes, immersing it in hot water at 60°C for 10 minutes, dehydrating it with a mangle, and drying it at 120°C for 5 minutes. Next, on the polyurethane microporous film, a solution of 35 parts by weight of polyester polyol and 5 parts by weight of trimethylolpropane hexamethylene diisocyanate dissolved in a mixed solvent of toluene/ethyl acetate was applied to the polyurethane microporous film with a coating area of 50% and a coating amount of solid content. Coat with a gravure coater to give a weight of 8 g/m 2 and paste without drying to a dyed tricot knitted fabric of 50 denier polyester filament yarn with a course of 50/inch and a well of 50/inch to give a weight of 1 kg/cm 2 . It was pressed under pressure and left at room temperature for 2 days. Next, the processed material was peeled off from the polyester film, and the material was padded with a 5% aqueous solution of a fluorine-based water repellent to impart water repellency. Next, it was dried and finished by setting it at 170°C for 1 minute. Example 2 A polyurethane microporous film produced according to Example 1 was coated with a solution of 35 parts by weight of polyester polyol and 5 parts by weight of trimethylolpropane hexamethylene diisocyanate dissolved in a mixed solvent of toluene/ethyl acetate, with a coating area of 40%. It was coated with a gravure coater so that the coating amount was 10 g/m 2 in terms of solid content, and dried at 120° C. for 5 minutes. Next, this coated surface is coated with a 0.3% aqueous solution of a polyethylene glycol terephthalate sweat absorbent and dried, then dyed with a 75 denier polyester filament yarn of course 65/inch and well 65/inch. Paste the knitted fabrics together, pass through a 1Kg/cm 2 heated roll at 80℃,
I left it for a day. Next, a solution prepared by dissolving 5 parts by volume of a silicone water repellent in 95 parts by weight of turpentine was applied to the film surface of the processed material, which had been peeled off from the polyester film, by gravure coating.
Next, it was dried and finished by setting it at 170°C for 1 minute. Example 3 The adhesive solution used in Examples 1 and 2 was further applied to the film surface of the polyester smooth knitted fabric produced in Example 2 before water-repellent treatment, with a coating area of 40% and a coating amount of solid content. Apply with a gravure coater to a weight of 7g/m 2 without drying.
The front is mangle padded with a 5% aqueous solution of fluorine-based water repellent and dyed smooth knitted fabric of 75 denier polyester filament yarn with a course of 65/inch and a well of 65/inch is laminated to 1 kg/cm. 2 and left for 2 days. Next, the temperature was set at 170°C for 1 minute to finish. The performance of Examples 1, 2, and 3 is shown in the following table, and the stretch back properties of the products were also very good. 【table】
Claims (1)
湿式法によりポリウレタン微多孔質フイルム層を
設け、その上に塗布面積30〜70％にて接着剤を塗
布して後伸縮性繊維素材を貼り合せ、次いで製膜
用支持体フイルムをはく離し、撥水処理すること
により経及び緯方向の伸度が５％から200％あり、
耐水圧が350mmH2O／cm2以上、透湿度が2500ｇ／
m2／24hrs以上の性能を有する貼り合せ布帛を製
造することを特徴とする貼り合せ布帛の製造法。1. A polyurethane microporous film layer is provided by a wet method on a film forming support film coated with a mold release agent, and an adhesive is applied on top of it to cover 30 to 70% of the coating area, and then a stretchable fiber material is formed. The elongation in the warp and weft directions is from 5% to 200% by laminating, then peeling off the film-forming support film, and water-repellent treatment.
Water pressure resistance is 350mmH 2 O/cm 2 or more, moisture permeability is 2500g/
A method for producing a laminated fabric, characterized by producing a laminated fabric having a performance of m 2 /24hrs or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4733782A JPS58166036A (en) | 1982-03-26 | 1982-03-26 | Novel waterproof, moisture-permeable pasting cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4733782A JPS58166036A (en) | 1982-03-26 | 1982-03-26 | Novel waterproof, moisture-permeable pasting cloth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58166036A JPS58166036A (en) | 1983-10-01 |
| JPH033576B2 true JPH033576B2 (en) | 1991-01-18 |
Family
ID=12772377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4733782A Granted JPS58166036A (en) | 1982-03-26 | 1982-03-26 | Novel waterproof, moisture-permeable pasting cloth |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58166036A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60110440A (en) * | 1983-11-21 | 1985-06-15 | 平岡織染株式会社 | Non-air-permeable hygroscopic and moisture-dissipating waterproof sheet |
| JPS6144626A (en) * | 1984-08-09 | 1986-03-04 | Unitika Ltd | Preparation of waterproof laminate |
| JPH0616745Y2 (en) * | 1987-06-01 | 1994-05-02 | 東洋クロス株式会社 | Cottony complex |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49108375A (en) * | 1973-02-19 | 1974-10-15 | ||
| JPS56162641A (en) * | 1980-05-21 | 1981-12-14 | Asahi Chemical Ind | High extensible polyurethane porous film and its manufacture |
| JPS57125036A (en) * | 1981-01-27 | 1982-08-04 | Tore Textile | Extensible air-permeable laminated cloth and its manufacture |
| JPS57195132A (en) * | 1981-05-25 | 1982-11-30 | Mitsubishi Rayon Co Ltd | Manufacturing of flexible porous sheet |
| JPS58138639A (en) * | 1982-02-10 | 1983-08-17 | 日産自動車株式会社 | Base cloth for seat |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5580391U (en) * | 1978-11-29 | 1980-06-03 |
-
1982
- 1982-03-26 JP JP4733782A patent/JPS58166036A/en active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49108375A (en) * | 1973-02-19 | 1974-10-15 | ||
| JPS56162641A (en) * | 1980-05-21 | 1981-12-14 | Asahi Chemical Ind | High extensible polyurethane porous film and its manufacture |
| JPS57125036A (en) * | 1981-01-27 | 1982-08-04 | Tore Textile | Extensible air-permeable laminated cloth and its manufacture |
| JPS57195132A (en) * | 1981-05-25 | 1982-11-30 | Mitsubishi Rayon Co Ltd | Manufacturing of flexible porous sheet |
| JPS58138639A (en) * | 1982-02-10 | 1983-08-17 | 日産自動車株式会社 | Base cloth for seat |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58166036A (en) | 1983-10-01 |
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