JP3378153B2 - Manufacturing method of artificial leather - Google Patents
Manufacturing method of artificial leatherInfo
- Publication number
- JP3378153B2 JP3378153B2 JP29750896A JP29750896A JP3378153B2 JP 3378153 B2 JP3378153 B2 JP 3378153B2 JP 29750896 A JP29750896 A JP 29750896A JP 29750896 A JP29750896 A JP 29750896A JP 3378153 B2 JP3378153 B2 JP 3378153B2
- Authority
- JP
- Japan
- Prior art keywords
- artificial leather
- silicon
- woven fabric
- polymer substance
- sizing
- 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
Description
【０００１】[0001]
【発明の属する技術分野】本発明は人工皮革の不織布の
前処理方法に係り、更に詳しくは、高度の引裂強度を持
ち風合いに優れた人工皮革を安定的に製造する方法に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for pretreating a nonwoven fabric of artificial leather, and more particularly to a method for stably producing artificial leather having high tear strength and excellent texture.
【０００２】[0002]
【従来の技術】基材に柔軟性を付与させる不織布の前処
理法としてはイ）ポリウレタン樹脂とは溶剤が異なる糊
剤高分子物質を不織布に含浸せしめ次いでポリウレタン
樹脂溶液を含浸、湿式凝固させた後、糊剤高分子物質を
除去させる方法、例えば特公昭４５−１８７４５号公
報，ロ）不織布をシリコン樹脂で処理した後ポリウレタ
ン樹脂溶液を含浸次いで湿式凝固させる方法、例えば特
公昭４５−３３７９７号公報で示される方法等がある。2. Description of the Related Art As a pretreatment method for a non-woven fabric which imparts flexibility to a substrate, a) a non-woven fabric is impregnated with a sizing polymer substance having a solvent different from that of a polyurethane resin, and then a polyurethane resin solution is impregnated and wet-coagulated. After that, a method for removing the sizing agent polymer substance, for example, JP-B-45-18745, (B) a method in which a nonwoven fabric is treated with a silicone resin, followed by impregnation with a polyurethane resin solution and then wet coagulation, for example, JP-B-45-33797. There is a method shown by.
【０００３】[0003]
【発明が解決しようとする課題】しかし、前記イ）の方
法では、糊剤高分子物質の付着量が少ないと繊維の交絡
部とポリウレタン樹脂との接着が起こり、人工皮革の風
合いが硬くなり、引裂強度も低下する。一方、付着量が
多過ぎると糊剤高分子溶液の蒸発乾固時に糊剤高分子物
質が表面付近に局在化し、得られる製品の風合いは座曲
した折れシワ形態となり易い。However, in the above method (a), when the amount of the adhesive polymer substance is small, the entanglement of the fibers and the polyurethane resin are bonded to each other, and the texture of the artificial leather becomes hard. Tear strength is also reduced. On the other hand, if the adhered amount is too large, the adhesive polymer substance is localized near the surface when the adhesive polymer solution is evaporated to dryness, and the resulting product tends to have a bent and wrinkled shape.
【０００４】また前記ロ）の方法では、ポリウレタン樹
脂溶液の含浸に於ける不織布のプレス性、寸法安定性
等、生産時の加工性に大きな問題がある。またシリコン
処理液と繊維との濡れ性の関係で、充分な被覆効果が得
られないことがある。従って、人工皮革の風合いと引裂
強度及び加工安定性の全てを同時に満足させる不織布の
前処理法が望まれていた。In the method (b), there are major problems in workability during production, such as pressability and dimensional stability of the nonwoven fabric when impregnated with the polyurethane resin solution. In addition, a sufficient coating effect may not be obtained due to the wettability between the silicon treatment liquid and the fiber. Therefore, there has been a demand for a pretreatment method for a non-woven fabric which simultaneously satisfies all of the texture, tear strength and processing stability of artificial leather.
【０００５】[0005]
【課題を解決するための手段】上述の目的は、糊剤高分
子物質で前処理した不織布にポリウレタン樹脂溶液を含
浸させて湿式凝固させた後、糊剤高分子物質を除去して
人工皮革を製造する方法において、不織布を反応性メチ
ルＨシリコンと金属触媒との混合エマルジョンに含浸さ
せた後１００〜１５０℃にて加熱する工程を含むことを
特徴とする人工皮革の製造方法，糊剤高分子物質による
前処理が、糊剤高分子物質の水溶液に反応性メチルＨシ
リコンと金属触媒との混合エマルジョンを加え、不織布
を前記水溶液に含浸させた後１００〜１５０℃で加熱す
るものである、該人工皮革の製造方法，および反応性メ
チルＨシリコンと金属触媒との混合エマルジョンへの不
織布の含浸および１００〜１５０℃での加熱を、糊剤高
分子物質の除去の後に行う請求項１記載の人工皮革の製
造方法によって達成される。[Means for Solving the Problems] The above-mentioned object is to impregnate a non-woven fabric pretreated with a sizing agent polymeric substance with a polyurethane resin solution and wet coagulate it, and then remove the sizing agent polymeric substance to produce artificial leather. A method for producing artificial leather, which comprises a step of impregnating a nonwoven fabric with a mixed emulsion of reactive methyl H-silicon and a metal catalyst and then heating at 100 to 150 ° C. The pretreatment with the substance is to add a mixed emulsion of reactive methyl H-silicon and a metal catalyst to an aqueous solution of a sizing agent polymer substance, impregnate the non-woven fabric with the aqueous solution, and then heat at 100 to 150 ° C., The method for producing artificial leather and the impregnation of the non-woven fabric into the mixed emulsion of reactive methyl H-silicon and the metal catalyst and the heating at 100 to 150 ° C. are used to remove the sizing polymer substance. It is achieved by the manufacturing method according to claim 1, wherein the artificial leather performed.
【０００６】本発明において不織布に用いられる繊維は
天然繊維、合成繊維等、いかなる繊維であっても良い
が、通常工業的に容易に入手しやすい、レーヨン、ナイ
ロン、ポリエステル等が良く用いられる。またこれらの
繊維は単独でも二種以上の併用であっても良く、例えば
ナイロン短繊維とポリエステル短繊維の混綿物を用いる
ことが出来る。The fibers used in the nonwoven fabric in the present invention may be any fibers such as natural fibers and synthetic fibers, but rayon, nylon, polyester and the like, which are usually industrially and easily available, are often used. Further, these fibers may be used alone or in combination of two or more kinds, and for example, a mixed cotton material of nylon short fibers and polyester short fibers can be used.
【０００７】一般に不織布密度としては０．０５〜０．
３０ｇ／ｃｍ3 が良く、特に好ましくは０．１０〜０．
２０ｇ／cm3 である。Generally, the density of the nonwoven fabric is 0.05 to 0.
30 g / cm 3 is preferable, and 0.10 to 0.
It is 20 g / cm 3 .
【０００８】本発明において用いられるポリウレタン樹
脂とは、ポリオールと有機ジイソシアネートと鎖伸長剤
からなる主としてウレタン結合により高分子化されたポ
リマーを言う。該ポリマーを主体として他のポリマーを
少量、例えば５〜３０重量％（以下ｗｔ％と記す）混合
しても良い。本質的にポリウレタン主体ポリマーが溶解
している溶媒に溶解させることが必要条件である。さら
には無機、有機系の重点剤や着色剤、その他の添加物を
混合しても良い。The polyurethane resin used in the present invention refers to a polymer composed of a polyol, an organic diisocyanate and a chain extender, which is polymerized mainly by a urethane bond. A small amount of another polymer, for example, 5 to 30% by weight (hereinafter referred to as wt%) may be mixed with the polymer as a main component. It is a requirement that the polyurethane-based polymer is essentially dissolved in the solvent in which it is dissolved. Furthermore, inorganic or organic emphasis agents, colorants, and other additives may be mixed.
【０００９】ポリオールにはポリエーテルタイプとポリ
エステルタイプがあるが、ポリエーテルタイプとしては
ポリプロピレングリコールエーテルやポリテトラメチレ
ングリコールエーテルまたはそれらの共重合体が良く、
ポリエステルタイプとしては低分子グリコールとジカル
ボン酸を重宿合反応させたもの、例えばポリブチレンア
ジペート等が良い。有機ジイソシアネートとしては、2,
4 トリレンジイソシアネート、4,4'ジフェニルメタンジ
イソシアネート、1,6 ヘキサンジイソシアネート等が挙
げられるが、中でもジフェニルメタンジイソシアネート
（ＭＤＩ）が良く用いられる。Polyols include polyether type and polyester type. As the polyether type, polypropylene glycol ether, polytetramethylene glycol ether or their copolymers are preferable.
As the polyester type, those obtained by subjecting a low-molecular glycol and a dicarboxylic acid to a heavy entrapment reaction, such as polybutylene adipate, are preferable. As the organic diisocyanate, 2,
4 Tolylene diisocyanate, 4,4 ′ diphenylmethane diisocyanate, 1,6 hexane diisocyanate and the like can be mentioned, but among them, diphenylmethane diisocyanate (MDI) is often used.
【００１０】また、鎖伸長剤としてはエチレングリコー
ル、ブチレングリコール等のグリコール類が一般的であ
るが、ジアミン類でもよい。これらを溶液重合法にて高
分子化したポリウレタン樹脂の溶媒としては種々ある
が、水混和性溶媒であるN.N ジメチルホルムアミドが良
く用いられ、一部希釈溶媒としては、メチルエチルケト
ン、テトラヒドロフラン等も可能である。As the chain extender, glycols such as ethylene glycol and butylene glycol are generally used, but diamines may be used. Although there are various solvents for polyurethane resins polymerized by the solution polymerization method, NN dimethylformamide, which is a water-miscible solvent, is often used, and methyl ethyl ketone, tetrahydrofuran, etc. can be used as a partially diluting solvent. .
【００１１】本発明の重要な構成の要件は、反応性メチ
ルＨシリコンと金属触媒との混合エマルジョンを加え、
不織布を前記水溶液に含浸させた後１００〜１５０℃に
て加熱することであるが、特に、前処理において、糊剤
高分子物質の水溶液に混合エマルジョンを加え、不織布
を前記水溶液に含浸させた後１００〜１５０℃にて加熱
するのが、製品の風合いの点で好ましい。An important structural requirement of the present invention is that a mixed emulsion of reactive methyl H silicon and a metal catalyst is added,
After impregnating the non-woven fabric with the aqueous solution, it is heated at 100 to 150 ° C. In particular, in the pretreatment, after adding the mixed emulsion to the aqueous solution of the sizing agent polymer substance and impregnating the non-woven fabric with the aqueous solution. Heating at 100 to 150 ° C. is preferable from the viewpoint of the texture of the product.
【００１２】糊剤高分子物質は不織布を接着固定する事
ができ、さらにポリウレタン樹脂溶液の含浸後に容易に
抽出可能なものであれば何でも良く、例えば、ポリビニ
ルアルコールおよびその誘導体、水溶性デンプン、カル
ボキシメチルセルロース、アクリル酸エステル部分ケン
化物、ポリアクリルアミド、酢酸セルロース、ポリ酢酸
ビニル等が挙げられるが、ポリビニルアルコールおよび
その誘導体は温水で容易に抽出することが出来、極めて
好適である。As the sizing agent polymer substance, any substance can be used as long as it can adhere and fix the non-woven fabric and can be easily extracted after impregnation with the polyurethane resin solution. For example, polyvinyl alcohol and its derivative, water-soluble starch, and carboxy. Methyl cellulose, partially saponified acrylic ester, polyacrylamide, cellulose acetate, polyvinyl acetate and the like can be mentioned, but polyvinyl alcohol and its derivatives are very suitable because they can be easily extracted with warm water.
【００１３】糊剤高分子物質の水溶液濃度としては２〜
３０ｗｔ％が好ましいが、特に好ましくは３〜１０ｗｔ
％である。濃度が２ｗｔ％以上であると、不織布の寸法
セット性及びプレス加工性に優れるという点で好まし
く、濃度が１０ｗｔ％以下であると、糊剤高分子溶液の
蒸発乾固時にも、糊剤高分子物質が不織布の厚み方向に
も均一に分散するため、得られる製品の風合いが良いと
いう点で好ましい。The aqueous solution concentration of the sizing agent polymer substance is 2 to
30 wt% is preferable, but 3 to 10 wt% is particularly preferable.
%. When the concentration is 2 wt% or more, the non-woven fabric is excellent in dimensional setting property and press workability, and when the concentration is 10 wt% or less, the sizing agent polymer can be used even when the sizing agent polymer solution is evaporated to dryness. Since the substance is uniformly dispersed in the thickness direction of the nonwoven fabric, it is preferable in that the obtained product has a good texture.
【００１４】本発明でいう反応性メチルＨシリコンとは
側鎖の一部を水素変性したシリコンオイルのことで、オ
クチル酸亜鉛、オクチル酸錫、ジブチル錫ジラウレート
等の金属触媒の存在下にて加水分解してシラノールとな
り、さらに脱水素反応にて自縮合することで繊維表面を
被覆する。この被覆膜による繊維補強効果が人工皮革の
耐引裂能力の向上に寄与する。The reactive methyl H-silicon referred to in the present invention is a silicone oil in which a part of the side chain is hydrogen-modified, and is hydrolyzed in the presence of a metal catalyst such as zinc octylate, tin octylate or dibutyltin dilaurate. It decomposes to silanol, and further self-condenses in the dehydrogenation reaction to coat the fiber surface. The fiber reinforcement effect of this coating film contributes to the improvement of the tear resistance of the artificial leather.
【００１５】反応性メチルＨシリコンを糊剤高分子物質
水溶液との混合エマルジョンとして使用する場合の、反
応性メチルＨシリコンおよび金属触媒の糊剤高分子物質
水溶液に対する配合割合は、反応性メチルＨシリコン固
形分１〜４ｗｔ％，金属触媒固形分０．１〜２ｗｔ％が
好ましい。When the reactive methyl H-silicon is used as a mixed emulsion with the aqueous solution of the sizing agent polymer, the mixing ratio of the reactive methyl H-silicon and the metal catalyst to the aqueous solution of the sizing agent polymeric material is A solid content of 1 to 4 wt% and a metal catalyst solid content of 0.1 to 2 wt% are preferable.
【００１６】不織布を前記水溶液に含浸させる方法とし
ては既知の全ての方法を用いることができ、不織布は乾
燥したものであっても含水処理をされたものであっても
よい。As a method of impregnating the nonwoven fabric with the aqueous solution, all known methods can be used, and the nonwoven fabric may be dried or may be treated with water.
【００１７】含浸後の乾燥温度は、シリコンの脱水素反
応が十分に行われ且つ不織布を構成する繊維の軟化点を
超えない温度として１００〜１５０℃が適当である。A suitable drying temperature after impregnation is 100 to 150 ° C. as a temperature at which the dehydrogenation reaction of silicon is sufficiently carried out and the softening point of the fibers constituting the nonwoven fabric is not exceeded.
【００１８】ポリウレタン樹脂溶液の固形分濃度は一般
的に５〜３０ｗｔ％が好ましく、さらに好ましくは５〜
２０ｗｔ％である。含浸、湿式凝固は既知のあらゆる方
法を用いることが出来るが、糊剤高分子物質が水に可溶
性であって、湿式凝固を水にて行う場合には、凝固温度
の設定に注意を要する。湿式凝固が完了する前に糊剤高
分子物質が溶け出す可能性があるからである。糊剤高分
子物質がポリビニルアルコールであるならば湿式凝固温
度として１０〜５０℃が望ましい。Generally, the solid content of the polyurethane resin solution is preferably 5 to 30 wt%, more preferably 5 to 30 wt%.
It is 20 wt%. Any known method can be used for impregnation and wet coagulation. However, when the high molecular weight substance is soluble in water and wet coagulation is performed with water, it is necessary to set the coagulation temperature with caution. This is because there is a possibility that the sizing agent polymer substance will melt out before the wet coagulation is completed. When the sizing agent polymer is polyvinyl alcohol, the wet coagulation temperature is preferably 10 to 50 ° C.
【００１９】糊剤高分子物質の除去法としては、湯洗、
溶媒抽出、もみ出し等、糊剤高分子のみを完全に除去で
きる方法であればいかなる方法でもよい。As a method for removing the high molecular substance of the sizing agent, washing with hot water,
Any method may be used as long as it is a method capable of completely removing only the sizing agent polymer, such as solvent extraction or squeezing out.
【００２０】[0020]
【実施例】本発明の特性値の測定は以下の方法に依っ
た。
（厚味）株式会社尾崎製作所製ピーコック厚味計モデル
Ｈ（最小目盛０．０１ｍｍ）で測定した。
（密度）ＪＩＳ Ｋ−６５０５に規定される方法に依っ
た。
（引裂強度）ＪＩＳ Ｋ−６５５０に規定される方法に
依った。
（ガーレ剛軟度）ＪＩＳ Ｌ−１０７９に規定される方
法に依った。数値が小さい程ソフトであることを示す。EXAMPLES The characteristic values of the present invention were measured by the following methods. (Thickness) It was measured with a peacock thickness meter model H (minimum scale 0.01 mm) manufactured by Ozaki Seisakusho. (Density) Based on the method specified in JIS K-6505. (Tear strength) According to the method specified in JIS K-6550. (Gurley bending resistance) Based on the method specified in JIS L-1079. The smaller the value is, the softer it is.
【００２１】実施例１
ナイロン短繊維／熱収縮性ポリエステル短繊維＝８／２
の混綿物をニードリング処理し、厚味１．８ｍｍ，密度
０．１４ｇ／ｃｍ3 の不織布を得た。Example 1 Nylon short fibers / heat-shrinkable polyester short fibers = 8/2
The mixed cotton product of No. 1 was subjected to needling treatment to obtain a nonwoven fabric having a thickness of 1.8 mm and a density of 0.14 g / cm 3 .
【００２２】次に、ポリビニールアルコール（日本合成
化学工業株式会社品名ゴーセノール）、メチルＨシリコ
ン（日華化学株式会社製品名ドライポン６００）、亜鉛
触媒（日華化学株式会社製品名ドライポンＺ７）を水に
分散せしめた各々の割合が水／ポリビニールアルコール
／メチルＨシリコン／亜鉛触媒＝８８／８／２／２であ
るところのエマルジョンに前記不織布を含浸処理し、圧
搾ロールで過剰の液を絞り１２０℃にて乾燥し前処理済
不織布を得た。Next, polyvinyl alcohol (Nippon Synthetic Chemical Industry Co., Ltd., product name Gohsenol), methyl H-silicon (Nikaka Chemical Co., Ltd. product name Drypon 600), zinc catalyst (Nikaka Chemical Co., Ltd. product name Drypon Z7) are added to water. The non-woven fabric is impregnated with an emulsion in which the respective proportions of water / polyvinyl alcohol / methyl H silicon / zinc catalyst = 88/8/2/2 dispersed in water are squeezed and the excess liquid is squeezed with a squeezing roll. A pretreated non-woven fabric was obtained by drying at ℃.
【００２３】前処理による不織布の質量増加は約１０％
であった。ついで固形分濃度１０％のポリテトラメチレ
ンエーテル系ポリウレタン溶液に該基材を含浸させ、そ
の上に固形分２６％のポリテトラメチレンエーテル系ポ
リウレタン溶液をドクターナイフにて７００ｇ／ｍ2 塗
工し、３５℃温水にて湿式凝固させた。なおこの塗工液
は白色チタン系顔料を２％混合させる事により白色に着
色されている。The increase in mass of the non-woven fabric due to the pretreatment is about 10%
Met. Then, the base material is impregnated with a polytetramethylene ether-based polyurethane solution having a solid content concentration of 10%, and a polytetramethylene ether-based polyurethane solution having a solid content of 26% is applied thereon with a doctor knife at 700 g / m 2 . It was wet-solidified with 35 ° C. hot water. The coating liquid is colored white by mixing 2% of a white titanium pigment.
【００２４】さらに５０℃温水で充分水洗後１２０℃に
て乾燥させ、厚味１．４ｍｍ，密度０．３６ｇ／ｃｍ3
の皮革状物を得た。Further, after sufficiently washing with warm water of 50 ° C. and drying at 120 ° C., the thickness is 1.4 mm and the density is 0.36 g / cm 3.
A leather-like product was obtained.
【００２５】この物にエンボス加工を施し、クリヤー仕
上げして得られた人工皮革は表１に示す通りソフトでし
なやかな風合いを持つとともに高度な引裂強度を持ち、
スポーツシューズ用甲革素材として非常に望ましい物で
あった。The artificial leather obtained by embossing and clear-finishing this product has a soft and supple texture as shown in Table 1 and a high tear strength,
It was a very desirable material as an upper material for sports shoes.
【００２６】比較例１
不織布の前処理で水／ポリビニールアルコール＝９０／
１０の水溶液を使用する他は全く実施例１と同様に処理
した。Comparative Example 1 Water / polyvinyl alcohol = 90 / in the pretreatment of the nonwoven fabric
The procedure was as in Example 1, except that 10 aqueous solutions were used.
【００２７】得られた人工皮革は硬い風合いをしめし、
引裂強度も実施例より低い数字であった。柔軟撥水剤で
処理することにより風合いは向上するが、依然として実
施例１のほうが良い風合いを示した。The artificial leather obtained has a hard texture,
The tear strength was also lower than that of the example. Although the texture was improved by the treatment with the soft water repellent, Example 1 still showed the better texture.
【００２８】ここに得られた製品の性状物性を表１に示
す。Table 1 shows the physical properties of the product obtained here.
【００２９】[0029]
【表１】 [Table 1]
【００３０】実施例２
ナイロン短繊維／ポリエステル短繊維＝５／５よりな
る、厚味２．０ｍｍ，密度０．１２ｇ／ｃｍ3 の不織布
を水／ポリビニールアルコール＝９０／１０であるとこ
ろの前処理液に含浸させ乾燥後、固形分濃度１５％のブ
チレンアジペート系エステル型ポリウレタン溶液に含浸
させた。その後５０℃の温水で水洗し１２０℃で乾燥さ
せ、厚味１．６ｍｍ，密度０．３５ｇ／ｃｍ3 の基材を
得た。Example 2 A non-woven fabric composed of nylon short fibers / polyester short fibers = 5/5 and having a thickness of 2.0 mm and a density of 0.12 g / cm 3 was used in front of water / polyvinyl alcohol = 90/10. After impregnating with the treatment liquid and drying, it was impregnated with a butylene adipate ester type polyurethane solution having a solid content concentration of 15%. Then, it was washed with warm water of 50 ° C. and dried at 120 ° C. to obtain a base material having a thickness of 1.6 mm and a density of 0.35 g / cm 3 .
【００３１】この基材を水／メチルＨシリコン／亜鉛触
媒＝９４／３／３で配合したエマルジョンに浸し、１２
０％の絞り率で絞った後１２０℃で乾燥させた。This base material was dipped in an emulsion prepared by mixing water / methyl H silicon / zinc catalyst = 94/3/3, and
After squeezing with a squeezing ratio of 0%, it was dried at 120 ° C.
【００３２】このものにスライス加工、バフ掛けを施し
得られた厚味０．７１ｍｍの皮革状物は、風合い的には
若干硬さがあるものの、引裂強度は高く、靴の底敷きと
して好適なものであった。A leather-like material having a thickness of 0.71 mm obtained by slicing and buffing this material has a slightly hard texture but has a high tear strength and is suitable as a sole for shoes. It was a thing.
【００３３】比較例２
基材をエマルジョンで処理を行わない他は実施例２と同
様に処理をした。引裂強度の数値は実施例２と比べ大き
く劣る物であった。Comparative Example 2 The same treatment as in Example 2 was carried out except that the substrate was not treated with the emulsion. The value of tear strength was significantly inferior to that of Example 2.
【００３４】[0034]
【表２】 [Table 2]
【００３５】[0035]
【発明の効果】本発明の方法によれば、糊剤高分子物質
がもたらす不織布のプレス性及び寸法安定性により、不
織布が反応性シリコンで被覆された人工皮革を安定的に
生産することが可能となる。EFFECTS OF THE INVENTION According to the method of the present invention, it is possible to stably produce an artificial leather in which a nonwoven fabric is coated with reactive silicon due to the pressability and dimensional stability of the nonwoven fabric brought about by the sizing polymer substance. Becomes
【００３６】本発明によって製造される、不織布が反応
性シリコンで被覆された人工皮革は、反応性シリコン皮
膜がもたらす繊維補強効果及びポリウレタン樹脂と繊維
との非接着効果に依り、高度な引裂強度を持ち、風合い
的にも優れ、スポーツシューズ用甲革素材として極めて
好適である。The artificial leather produced by the present invention, in which the non-woven fabric is coated with reactive silicon, has a high tear strength due to the fiber reinforcing effect of the reactive silicon film and the non-adhesive effect between the polyurethane resin and the fiber. It has excellent texture and texture, and is extremely suitable as an upper material for sports shoes.
Claims (3)
リウレタン樹脂溶液を含浸させて湿式凝固させた後、糊
剤高分子物質を除去して人工皮革を製造する方法におい
て、不織布を反応性メチルＨシリコンと金属触媒との混
合エマルジョンに含浸させた後１００〜１５０℃にて加
熱する工程を含むことを特徴とする人工皮革の製造方
法。1. A method for producing artificial leather by impregnating a non-woven fabric pretreated with a sizing polymer substance with a polyurethane resin solution for wet coagulation, and then removing the sizing polymer substance to produce artificial leather. A method for producing artificial leather, comprising the step of impregnating a mixed emulsion of methyl H-silicon and a metal catalyst and then heating at 100 to 150 ° C.
分子物質の水溶液に反応性メチルＨシリコンと金属触媒
との混合エマルジョンを加え、不織布を前記水溶液に含
浸させた後１００〜１５０℃で加熱するものである、請
求項１記載の人工皮革の製造方法。2. A pretreatment with a sizing polymer substance is carried out by adding a mixed emulsion of reactive methyl H-silicon and a metal catalyst to an aqueous solution of the sizing polymer substance and impregnating the non-woven fabric with the aqueous solution, and then 100 to 150. The method for producing artificial leather according to claim 1, wherein the artificial leather is heated at ° C.
混合エマルジョンへの不織布の含浸および１００〜１５
０℃での加熱を、糊剤高分子物質の除去の後に行う請求
項１記載の人工皮革の製造方法。3. Impregnation of a non-woven fabric into a mixed emulsion of reactive methyl H-silicon and a metal catalyst and 100 to 15
The method for producing artificial leather according to claim 1, wherein the heating at 0 ° C. is performed after removing the sizing agent polymer substance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29750896A JP3378153B2 (en) | 1996-10-18 | 1996-10-18 | Manufacturing method of artificial leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29750896A JP3378153B2 (en) | 1996-10-18 | 1996-10-18 | Manufacturing method of artificial leather |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10131059A JPH10131059A (en) | 1998-05-19 |
| JP3378153B2 true JP3378153B2 (en) | 2003-02-17 |
Family
ID=17847430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29750896A Expired - Lifetime JP3378153B2 (en) | 1996-10-18 | 1996-10-18 | Manufacturing method of artificial leather |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3378153B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101108766B1 (en) * | 2009-03-09 | 2012-03-14 | (주)대우인터내셔널 | Artificial Leather for Interior Material of Automobile Having Silicon Coating Layer and Manufacturing Method Thereof |
| KR102654341B1 (en) * | 2018-09-28 | 2024-04-02 | 코오롱인더스트리 주식회사 | manufacturing method of artificial leather impregnated with polyurethane dispersion |
| CN117769616A (en) | 2021-08-02 | 2024-03-26 | 丝芭博株式会社 | Synthetic leather and method for producing the same |
-
1996
- 1996-10-18 JP JP29750896A patent/JP3378153B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10131059A (en) | 1998-05-19 |
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