JP2002088662A5 - - Google Patents
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- JP2002088662A5 JP2002088662A5 JP2001192850A JP2001192850A JP2002088662A5 JP 2002088662 A5 JP2002088662 A5 JP 2002088662A5 JP 2001192850 A JP2001192850 A JP 2001192850A JP 2001192850 A JP2001192850 A JP 2001192850A JP 2002088662 A5 JP2002088662 A5 JP 2002088662A5
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- JP
- Japan
- Prior art keywords
- polyurethane resin
- aqueous polyurethane
- adhesive composition
- water
- aqueous
- Prior art date
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【特許請求の範囲】
【請求項１】 水性ポリウレタン樹脂(Ａ)、架橋剤(Ｂ)、増粘剤（Ｃ）、及び着色剤（Ｄ）を含んでなる接着剤組成物であって、水性ポリウレタン樹脂(Ａ)の軟化温度が８０℃以下であり、該水性ポリウレタン樹脂（Ａ）の８０℃における溶融粘度が１０5Ｐａ・ｓ以下であり、該水性ポリウレタン樹脂(Ａ)と架橋剤(Ｂ)とが反応して硬化した後の樹脂硬化物の軟化温度が１２０℃以上であり、該着色剤（Ｄ）が顔料表面を水分散性樹脂で表面処理した水分散性顔料あることを特徴とする合成皮革用水性ドライラミネート接着剤組成物。
【請求項２】 水性ポリウレタン樹脂(Ａ)が、２，０００〜２００，０００の重量平均分子量を有し、イソシアネート基と反応可能な活性水素原子含有基を少なくとも２個含有する水性ポリウレタン樹脂である請求項１記載の合成皮革用水性ドライラミネート接着剤組成物。
【請求項３】 架橋剤(Ｂ)がポリイソシアネート系架橋剤である請求項１記載の合成皮革用水性ドライラミネート接着剤組成物。
【請求項４】 増粘剤（Ｃ）が会合型の高分子型界面活性剤である請求項１に記載の合成皮革用水性ドライラミネート接着剤組成物。
【請求項５】 請求項１〜４のいずれか１項に記載の合成皮革用水性ドライラミネート接着剤組成物を、離型紙上に予め形成された表皮層上に塗布して乾燥させ接着剤層を形成させた後、該接着剤層と繊維基材とをドライラミネートすることを特徴とする合成皮革の製造方法。
【請求項６】 請求項５記載の製造方法により得られる合成皮革。
[Claims]
1. An adhesive composition comprising an aqueous polyurethane resin (A), a crosslinking agent (B), a thickener (C), and a coloring agent (D) , wherein the adhesive composition comprises an aqueous polyurethane resin (A). The softening temperature is 80 ° C. or less, the melt viscosity at 80 ° C. of the aqueous polyurethane resin (A) is 10 5 Pa · s or less, and the aqueous polyurethane resin (A) reacts with the crosslinking agent (B). An aqueous dry for synthetic leather characterized in that the cured resin has a softening temperature of 120 ° C. or higher and the coloring agent (D) is a water-dispersible pigment whose surface is treated with a water-dispersible resin. Laminating adhesive composition.
2. The aqueous polyurethane resin (A) is a water-based polyurethane resin having a weight average molecular weight of 2,000 to 200,000 and containing at least two active hydrogen atom-containing groups capable of reacting with isocyanate groups. The aqueous dry laminate adhesive composition for synthetic leather according to claim 1.
3. The aqueous dry laminate adhesive composition for synthetic leather according to claim 1, wherein the crosslinking agent (B) is a polyisocyanate-based crosslinking agent.
4. The aqueous dry laminate adhesive composition for synthetic leather according to claim 1, wherein the thickener (C) is an associative polymer type surfactant.
5. An aqueous dry laminate adhesive composition for synthetic leather according to any one of claims 1 to 4 , which is applied onto a skin layer previously formed on release paper and dried to form an adhesive layer. And then dry-laminating the adhesive layer and the fiber base material.
6. Synthetic leather obtained by the production method according to claim 5 .
即ち、本発明は、水性ポリウレタン樹脂(Ａ)、架橋剤(Ｂ)、増粘剤（Ｃ）、及び着色剤（Ｄ）を含んでなる接着剤組成物であって、水性ポリウレタン樹脂(Ａ)の軟化温度が８０℃以下で、該水性ポリウレタン樹脂（Ａ）の８０℃における溶融粘度が１０5Ｐａ・ｓ以下であって、該水性ポリウレタン樹脂（Ａ）と架橋剤(Ｂ)とが反応して硬化した後の樹脂硬化物の軟化温度が１２０℃以上であり、該着色剤（Ｄ）が顔料表面を水分散性樹脂で表面処理した水分散性顔料あることを特徴とする合成皮革用水性ドライラミネート接着剤組成物を提供するものであり、 That is, the present invention relates to an adhesive composition comprising an aqueous polyurethane resin (A), a crosslinking agent (B), a thickener (C), and a coloring agent (D) , wherein the aqueous polyurethane resin (A) Has a softening temperature of 80 ° C. or lower, the melt viscosity at 80 ° C. of the aqueous polyurethane resin (A) is 10 5 Pa · s or less, and the aqueous polyurethane resin (A) reacts with the crosslinking agent (B). Wherein the softening temperature of the cured resin after curing is 120 ° C. or higher, and the colorant (D) is a water-dispersible pigment whose surface is treated with a water-dispersible resin. A dry laminate adhesive composition is provided,
本発明の接着剤組成物を着色するための着色剤（Ｄ）としては、顔料表面を水分散性樹脂で表面処理した水分散性顔料が好適である。そのような水分散性顔料としては、水性ポリウレタン樹脂で表面処理した水分散性顔料が好ましい。特に好ましい水分散性顔料としては、ダイマージオール又はダイマー酸系ポリエステルポリオールを用いて得られる水性ポリウレタン樹脂で表面処理した顔料が挙げられる。そのような水性ポリウレタン樹脂は、（１）（ａ）重合脂肪酸を還元して得られるダイマージオール又は（ｂ）ダイマージオールと多塩基酸との反応により得られるポリエステルポリオール、及び（ｃ）重合脂肪酸を水添化して得られる水添ダイマー酸と多価アルコールとの反応により得られるダイマー酸系ポリエステルポリオールから選ばれる１種又は２種以上のポリオールと（２）前述のポリイソシアネート化合物と、（３）１分子中に少なくとも１個の親水性基と少なくとも２個の活性水素原子含有基を有する化合物との反応により得られる。この反応では、必要に応じて、上記ポリオール以外のポリオールを併用してもよく、また、周知慣用の鎖伸長剤とウレタン化反応停止剤の一方又は両方を併用することもできる。
As the colorant (D) for coloring the adhesive composition of the present invention, a water-dispersible pigment whose surface is treated with a water-dispersible resin is suitable. As such a water-dispersible pigment, a water-dispersible pigment surface-treated with an aqueous polyurethane resin is preferable. Particularly preferred water-dispersible pigments include pigments surface-treated with an aqueous polyurethane resin obtained using dimer diol or dimer acid-based polyester polyol. Such an aqueous polyurethane resin comprises (1) (a) a dimer diol obtained by reducing a polymerized fatty acid or (b) a polyester polyol obtained by reacting a dimer diol with a polybasic acid, and (c) a polymerized fatty acid. One or two or more polyols selected from dimer acid-based polyester polyols obtained by reacting hydrogenated dimer acid obtained by hydrogenation with a polyhydric alcohol, (2) the above-mentioned polyisocyanate compound, and (3) It is obtained by reacting a compound having at least one hydrophilic group and at least two groups containing active hydrogen atoms in one molecule. In this reaction, a polyol other than the above-mentioned polyol may be used in combination, if necessary, or one or both of a well-known and commonly used chain extender and a urethanization reaction terminator may be used in combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001192850A JP4257564B2 (en) | 2000-07-05 | 2001-06-26 | Aqueous dry laminate adhesive composition for synthetic leather and method for producing synthetic leather using the same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000-203609 | 2000-07-05 | ||
| JP2000203609 | 2000-07-05 | ||
| JP2001192850A JP4257564B2 (en) | 2000-07-05 | 2001-06-26 | Aqueous dry laminate adhesive composition for synthetic leather and method for producing synthetic leather using the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002088662A JP2002088662A (en) | 2002-03-27 |
| JP2002088662A5 true JP2002088662A5 (en) | 2008-07-24 |
| JP4257564B2 JP4257564B2 (en) | 2009-04-22 |
Family
ID=26595419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001192850A Expired - Lifetime JP4257564B2 (en) | 2000-07-05 | 2001-06-26 | Aqueous dry laminate adhesive composition for synthetic leather and method for producing synthetic leather using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4257564B2 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5139730B2 (en) * | 2007-06-22 | 2013-02-06 | 大日精化工業株式会社 | Synthetic leather skin layer coating and synthetic leather manufacturing method |
| JP5249631B2 (en) * | 2008-05-16 | 2013-07-31 | 大日精化工業株式会社 | Synthetic faux leather skin layer coating |
| JP5225908B2 (en) * | 2009-03-26 | 2013-07-03 | 三井化学株式会社 | Two-component curable water-based adhesive for synthetic leather |
| CN103764899B (en) * | 2011-08-22 | 2016-07-06 | Dic株式会社 | Leather-like sheet and manufacture method thereof |
| US8545941B2 (en) | 2011-11-01 | 2013-10-01 | Nakamoto Packs Co., Ltd. | Method of drying coating liquid agent and apparatus therefor |
| JP5554426B2 (en) * | 2013-02-13 | 2014-07-23 | 大日精化工業株式会社 | Synthetic artificial leather and method for producing synthetic artificial leather |
| JP2015003974A (en) * | 2013-06-20 | 2015-01-08 | Dic株式会社 | Adhesive and adhesive nonwoven fabric |
| CA3027638A1 (en) * | 2016-06-30 | 2018-01-04 | Covestro Deutschland Ag | Adhesive based on a special polyurethane urea, and production and use thereof |
| WO2018211838A1 (en) * | 2017-05-18 | 2018-11-22 | 東レ株式会社 | Composite sheet material |
| WO2019058692A1 (en) * | 2017-09-19 | 2019-03-28 | Dic株式会社 | Synthetic leather |
| EP3789537A4 (en) * | 2018-06-07 | 2021-07-07 | DIC Corporation | Synthetic leather |
| CN114539966B (en) * | 2022-04-24 | 2022-07-19 | 苏州市陆氏新材料有限公司 | Heating crosslinking polyurethane adhesive, polyurethane adhesive film and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6264880A (en) * | 1985-09-17 | 1987-03-23 | Kuraray Co Ltd | Adhesive |
| JPH0660260B2 (en) * | 1987-10-16 | 1994-08-10 | 第一工業製薬株式会社 | Method for producing polyurethane foam |
| JP3461267B2 (en) * | 1997-08-11 | 2003-10-27 | 大日精化工業株式会社 | Polycarbodiimide compound, method for producing the same, resin composition, and method for treating article |
| JP4884577B2 (en) * | 1998-10-09 | 2012-02-29 | Ｄｉｃ株式会社 | Method for producing fiber laminate and synthetic leather obtained thereby |
-
2001
- 2001-06-26 JP JP2001192850A patent/JP4257564B2/en not_active Expired - Lifetime
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