JP3066686B2 - Synthetic leather - Google Patents
Synthetic leatherInfo
- Publication number
- JP3066686B2 JP3066686B2 JP4342376A JP34237692A JP3066686B2 JP 3066686 B2 JP3066686 B2 JP 3066686B2 JP 4342376 A JP4342376 A JP 4342376A JP 34237692 A JP34237692 A JP 34237692A JP 3066686 B2 JP3066686 B2 JP 3066686B2
- Authority
- JP
- Japan
- Prior art keywords
- synthetic leather
- synthetic
- fibers
- fiber
- metal
- 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 - Fee Related
Links
Landscapes
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Laminated Bodies (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、通電により発熱する合
成皮革に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a synthetic leather which generates heat when energized.
【０００２】[0002]
【従来の技術】従来から、自動車シート、ソファ表皮材
等に用いられる合成皮革に暖房、保温機能を持たせるた
めに、合成皮革の裏面に織物、編物、不織布等に金属め
っきを施した導電性の素材を組み合わせたり、炭素繊維
を含有せしめて合成皮革を形成し、通電によって発熱さ
せるようにしたものが知られている。また、上記した合
成皮革と導電性の素材とを組み合わせる方法としては、
通常、合成樹脂接着剤を用いたり、縫製により行なって
いる。2. Description of the Related Art Conventionally, in order to provide heating and heat-retaining functions to synthetic leather used for automobile seats, sofa skin materials, etc., a conductive material in which a woven fabric, a knitted fabric, a non-woven fabric, or the like is metal-plated on the back surface of the synthetic leather. Are known in which synthetic leather is formed by combining the above materials or by incorporating carbon fibers to generate heat when energized. Also, as a method of combining the above-described synthetic leather and a conductive material,
Usually, it is performed by using a synthetic resin adhesive or by sewing.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記金
属めっきを施した導電性素材を組み合わせた合成皮革に
おいては、自動車シート、ソファ等に用いた場合に繰返
しかかる荷重によって金属めっき層の部分的な破断、剥
離が生じ、導電性が低下して発熱機能が低下するといっ
た問題があった。However, in the case of the synthetic leather in which the above-mentioned metal-plated conductive material is combined, the metal plating layer is partially broken by a load repeatedly applied to an automobile seat, a sofa and the like. However, there has been a problem that peeling occurs, the conductivity is reduced, and the heat generation function is reduced.
【０００４】また、炭素繊維を含有させた合成皮革にお
いては、導電性が均一とならないため、良好なる発熱機
能を得ることができないという問題があった。[0004] Further, in the synthetic leather containing carbon fibers, there is a problem that since the conductivity is not uniform, a good heat generating function cannot be obtained.
【０００５】さらに、合成皮革と導電性の素材との組み
合わせを、樹脂結合剤を用いたり、縫製によって行なっ
た場合、一体感に乏しくなり、合成皮革の持つ柔軟性や
ソフト感等が損なわれ、自動車シートやソファ表皮材と
して適当でないという問題もあった。Further, when a combination of synthetic leather and a conductive material is performed by using a resin binder or by sewing, the sense of unity is poor, and the flexibility and softness of the synthetic leather are impaired. There was also a problem that it was not suitable as a car seat or sofa skin material.
【０００６】本発明は上記従来技術の問題点を解消する
ためになされたものであり、通電による発熱機能に優
れ、しかも合成皮革の持つ柔軟性、ソフト感等の性質を
損なうことなく、自動車シート、ソファ表皮材等に好適
に使用することが可能な合成皮革を提供することを目的
とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and is excellent in a function of generating heat when energized, and without impairing the properties of synthetic leather such as flexibility and softness. It is an object of the present invention to provide a synthetic leather that can be suitably used as a sofa skin material or the like.
【０００７】[0007]
【課題を解決するための手段】本発明は、金属めっき合
成繊維を含有する合成繊維ウエブを交絡結合して成る不
織布基材に、導電性パウダーを含むポリウレタン樹脂を
含浸、発泡せしめて成るものである。According to the present invention, a non-woven fabric substrate formed by entanglement of synthetic fiber webs containing metal-plated synthetic fibers is impregnated with a polyurethane resin containing conductive powder and foamed. is there.
【０００８】上記金属めっき合成繊維とは、ポリエステ
ル、ナイロン、アクリル繊維に、銀、銅、ニッケル等の
良導電性金属を被覆させたものをいう。The above-mentioned metal-plated synthetic fibers are obtained by coating polyester, nylon or acrylic fibers with a good conductive metal such as silver, copper or nickel.
【０００９】また、本発明にいう導電性パウダーとはカ
ーボンブラック、金属フィラー、金属粒もしくはフレー
ク、または金属めっき樹脂粒もしくはフレーク等をい
う。The conductive powder in the present invention means carbon black, metal filler, metal particles or flakes, metal plating resin particles or flakes, or the like.
【００１０】さらに、合成繊維ウエブを構成する金属め
っき合成繊維以外の繊維としては、ポリエステル、ナイ
ロン、アクリル等の合成繊維から選択され、合成皮革と
しての柔軟性、緻密さを付与するためには繊度０．５ｄ
〜３ｄのものが好ましい。また、必要に応じて、分割後
の繊度が０．１ｄ〜０．５ｄとなる分割型繊維を使用す
ることもできる。Further, the fibers other than the metal-plated synthetic fibers constituting the synthetic fiber web are selected from synthetic fibers such as polyester, nylon and acrylic, and the fineness is required to impart flexibility and denseness as synthetic leather. 0.5d
~ 3d are preferred. If necessary, splittable fibers having a fineness of 0.1d to 0.5d after splitting can also be used.
【００１１】また、繊維ウエブの交絡結合方法として
は、ニードルパンチ機によるニードリング、高圧水流に
よるウオーターニードル等により行なうことができる。The entanglement of the fiber web can be performed by needling with a needle punch machine, water needle with high-pressure water flow, or the like.
【００１２】また本発明は、金属めっき繊維が合成繊維
ウエブ中に３〜１０重量％含有されたことを特徴とす
る。Further, the present invention is characterized in that the metal-plated fiber is contained in the synthetic fiber web in an amount of 3 to 10% by weight.
【００１３】合成繊維ウエブ中に対する金属めっき繊維
の混入量が３重量％未満の場合には導電性が均一となら
ず、また、１０重量％を超えた場合には抵抗値が高くな
りすぎるため、好ましくない。If the amount of the metal-plated fiber mixed into the synthetic fiber web is less than 3% by weight, the conductivity is not uniform, and if it exceeds 10% by weight, the resistance becomes too high. Not preferred.
【００１４】[0014]
【作用】本発明に従えば、ポリウレタン樹脂中の導電性
パウダーによって、繊維ウエブに含有された金属めっき
合成繊維による合成皮革への導電性の付与が均一に行な
われ、したがって、通電により安定した発熱効果を得る
ことができ、しかも合成皮革の持つ柔軟性等も維持され
る。According to the present invention, the conductive powder in the polyurethane resin uniformly imparts conductivity to the synthetic leather by the metal-plated synthetic fibers contained in the fiber web, so that stable heat is generated by energization. The effect can be obtained, and the flexibility and the like of the synthetic leather can be maintained.
【００１５】[0015]
【実施例】以下、本発明の実施例を詳細に説明する。Embodiments of the present invention will be described below in detail.
【００１６】（実施例１）繊度１．５ｄ、繊維長５１ｍ
／ｍのナイロン繊維（１）９５％と、銀を２０重量％被
覆した繊度１．５ｄ、繊維長５１ｍ／ｍの銀めっきナイ
ロン繊維（２）５％とを均一に混合し、公知のウエブ形
成機により開繊、積層して繊維ウエブを形成した。この
ウエブに、３５０Ｐ／ｃｍ2 のニードルパンチ加工を施
して目付２２０ｇ／ｍ2 、厚み１．１ｍ／ｍの不織布基
材とし、この基材をポリウレタン樹脂（４）１００重量
部に対し粒度５μｍ〜１０μｍの銅合金粉等の導電性パ
ウダー（３）２０重量部含有する濃度１５％のジメチル
ホルムアミド溶液に均一に含浸せしめた。その後６０℃
の温水中に浸漬し、発泡、凝固させて仕上り目付４００
ｇ／ｍ2 の実施例１の合成皮革（５）を得た。(Example 1) Fineness 1.5d, fiber length 51m
/ M nylon fiber (1) 95% and silver-coated nylon fiber (2) 5% having a fineness of 1.5 d coated with 20% by weight of silver and having a fiber length of 51 m / m are uniformly mixed to form a known web. The fibers were opened and laminated by a machine to form a fiber web. The web is subjected to a needle punching process of 350 P / cm 2 to give a nonwoven fabric substrate having a basis weight of 220 g / m 2 and a thickness of 1.1 m / m, and this substrate has a particle size of 5 μm to 100 parts by weight of the polyurethane resin (4). A 15% dimethylformamide solution containing 20 parts by weight of a conductive powder (3) such as a 10 μm copper alloy powder was uniformly impregnated. Then 60 ° C
Immersed in warm water, foamed and coagulated to finish
g / m 2 of the synthetic leather (5) of Example 1 was obtained.
【００１７】（実施例２）繊度１．５ｄ、繊維長５１ｍ
／ｍのナイロン繊維（１）９２％とニッケルを２０重量
％被覆した繊度１．５ｄ、繊維長５１ｍ／ｍのナイロン
繊維（２）８％とを均一に混合し、公知のウエブ形成機
により開繊、積層して繊維ウエブを形成した。 このウ
エブに、実施例１と同様のニードルパンチ加工を施して
目付２４０ｇ／ｍ2 、厚み１．２ｍ／ｍの不織布基材と
し、この基材をポリウレタン樹脂１００重量部に対し粒
度５μｍ〜１０μｍのニッケル粉３０重量部含有する濃
度１５％のジメチルホルムアミド溶液に均一に含浸せし
めた。その後、６０℃の温水中に浸漬し、発泡、凝固さ
せ、仕上り目付４８０ｇ／ｍ2 の実施例２の合成皮革を
得た。(Example 2) Fineness 1.5d, fiber length 51m
/ M nylon fiber (1) 92% and nickel 20% by weight coated 1.5% fineness and a fiber length 51m / m nylon fiber (2) 8% are uniformly mixed and opened by a known web forming machine. The fibers were laminated to form a fiber web. This web was subjected to needle punching in the same manner as in Example 1 to obtain a nonwoven fabric base material having a basis weight of 240 g / m 2 and a thickness of 1.2 m / m, and the base material having a particle size of 5 μm to 10 μm based on 100 parts by weight of the polyurethane resin. A 15% dimethylformamide solution containing 30 parts by weight of nickel powder was uniformly impregnated. Then, it was immersed in warm water at 60 ° C., foamed and solidified to obtain a synthetic leather of Example 2 having a finished basis weight of 480 g / m 2 .
【００１８】（比較例１）繊度１．５ｄ、繊維長５１ｍ
／ｍのナイロン繊維を公知のウエブ形成機により開繊、
積層して繊維ウエブを形成し、実施例１と同様のニード
ルパンチ加工を施して目付２２０ｇ／ｍ2 、厚み１．１
ｍ／ｍの不織布基材とした。この基材を、ポリウレタン
樹脂濃度が１５％のジメチルホルムアミド溶液に均一に
含浸せしめた後、６０℃の温水中に浸漬し、発泡、凝固
させ、仕上り目付４００ｇ／ｍ2 の比較例１の合成皮革
を得た。(Comparative Example 1) Fineness 1.5d, fiber length 51m
/ M nylon fiber by a known web forming machine,
The fiber web was formed by lamination, and subjected to the same needle punching as in Example 1 to obtain a basis weight of 220 g / m 2 and a thickness of 1.1.
m / m nonwoven fabric substrate. This base material was uniformly impregnated with a dimethylformamide solution having a polyurethane resin concentration of 15%, then immersed in warm water at 60 ° C., foamed and coagulated to obtain a synthetic leather of Comparative Example 1 having a finished basis weight of 400 g / m 2. I got
【００１９】（比較例２）比較例１と同様のナイロン繊
維からなる繊維ウエブを３５０Ｐ／ｃｍ2 でニードルパ
ンチ加工し、目付２４０ｇ／ｍ2 の不織布基材とした。
この基材を、比較例１と同じポリウレタン樹脂に含浸
し、同様に発泡、凝固せしめて仕上り目付４８０ｇ／ｍ
2 の比較例２の合成皮革を得た。Comparative Example 2 A fiber web made of the same nylon fiber as in Comparative Example 1 was needle-punched at 350 P / cm 2 to obtain a nonwoven fabric substrate having a basis weight of 240 g / m 2 .
This base material was impregnated with the same polyurethane resin as in Comparative Example 1, foamed and coagulated in the same manner to give a finished basis weight of 480 g / m2.
Thus, the synthetic leather of Comparative Example 2 was obtained.
【００２０】以上実施例１，２、比較例１，２で得た合
成皮革の手ざわり感、柔軟性についての風合いを比較し
たところ、実施例１，比較例１については同等であり、
実施例２，比較例２についても同等であった。また、各
合成皮革の発熱機能の比較のため、実施例１及び２の表
面抵抗値を任意の５点について測定した結果を表１に示
す。The texture of the synthetic leathers obtained in Examples 1 and 2 and Comparative Examples 1 and 2 was compared with respect to the texture and the softness. The results were the same for Examples 1 and Comparative Example 1.
The results were the same for Example 2 and Comparative Example 2. Table 1 shows the results of measuring the surface resistance values of Examples 1 and 2 at five arbitrary points for comparison of the heat generation function of each synthetic leather.
【００２１】[0021]
【表１】 [Table 1]
【００２２】[0022]
【発明の効果】以上のように本発明によれば柔軟性、ソ
フト感、手ざわり感などの風合いに優れ、かつ均一な導
電性を有する通電により安定した発熱効果を有する合成
皮革を得ることができるので、暖房、保温機能に優れ、
しかも風合いに優れた自動車シート、ソファ表皮材等を
得ることができる。As described above, according to the present invention, it is possible to obtain a synthetic leather having excellent texture, such as flexibility, softness, and texture, and having a stable heat-generating effect by conducting electricity having uniform conductivity. Because it has excellent heating and heat retention functions,
In addition, it is possible to obtain an automobile seat, a sofa skin material, and the like excellent in texture.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明の合成皮革の要部の部分拡大図である。FIG. 1 is a partially enlarged view of a main part of a synthetic leather of the present invention.
（１）ナイロン繊維 （２）銀めっきナイロン繊維 （３）導電性パウダー （４）ポリウレタン樹脂 （５）合成皮革 (1) Nylon fiber (2) Silver-plated nylon fiber (3) Conductive powder (4) Polyurethane resin (5) Synthetic leather
Claims (2)
ウエブを交絡結合して成る不織布基材に、導電性パウダ
ーを含むポリウレタン樹脂を含浸、発泡せしめて成るこ
とを特徴とする合成皮革。1. A synthetic leather comprising a non-woven fabric substrate formed by entanglement of synthetic fiber webs containing metal-plated synthetic fibers and impregnated with a polyurethane resin containing conductive powder and foamed.
〜１０重量％含有された請求項１記載の合成皮革。2. The method according to claim 1, wherein the metal-plated fibers are contained in a synthetic fiber web.
The synthetic leather according to claim 1, which is contained in an amount of from 10 to 10% by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4342376A JP3066686B2 (en) | 1992-12-22 | 1992-12-22 | Synthetic leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4342376A JP3066686B2 (en) | 1992-12-22 | 1992-12-22 | Synthetic leather |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06184951A JPH06184951A (en) | 1994-07-05 |
| JP3066686B2 true JP3066686B2 (en) | 2000-07-17 |
Family
ID=18353254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4342376A Expired - Fee Related JP3066686B2 (en) | 1992-12-22 | 1992-12-22 | Synthetic leather |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3066686B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6387973B1 (en) * | 1999-08-12 | 2002-05-14 | Kay Metzeler Limited | Flexible polyurethane foam containing copper |
| KR101286607B1 (en) * | 2007-06-11 | 2013-08-07 | 코오롱인더스트리 주식회사 | Artificial leather with excellent anti-static property |
| CN114481638B (en) * | 2021-12-29 | 2024-02-02 | 合肥科天水性科技有限责任公司 | Electrically-heatable waterborne polyurethane clothing leather and preparation method thereof |
-
1992
- 1992-12-22 JP JP4342376A patent/JP3066686B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06184951A (en) | 1994-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |