JP7093345B2 - 皮革様シート及び繊維構造体 - Google Patents
皮革様シート及び繊維構造体 Download PDFInfo
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- JP7093345B2 JP7093345B2 JP2019521202A JP2019521202A JP7093345B2 JP 7093345 B2 JP7093345 B2 JP 7093345B2 JP 2019521202 A JP2019521202 A JP 2019521202A JP 2019521202 A JP2019521202 A JP 2019521202A JP 7093345 B2 JP7093345 B2 JP 7093345B2
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- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
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- D06P1/04—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using azo dyes not containing metal
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Description
・C.I.Basic Blue 54:Nichilon Blue-GL(アゾ結合を有する青色カチオン染料)(日成化成(株)製)
・C.I.Basic Blue 159:Nichilon Blue-AZN(アゾ結合を有する青色カチオン染料)(日成化成(株)製)
・C.I.Basic Blue 3:Nichilon Blue-7G(オキサジン系青色カチオン染料)(日成化成(株)製)
・C.I.Basic Blue 75:Nichilon Blue-350(オキサジン系青色カチオン染料)(日成化成(株)製)
・C.I.Basic Yellow 28:Nichilon Golden Yellow-GL(アゾメチン系黄色カチオン染料)(日成化成(株)製)
・C.I.Basic Red 29:Nichilon Red-GL(アゾ系赤色カチオン染料)(日成化成(株)製)
カチオン染料可染性ポリエステル繊維を島成分とし、水溶性ポリビニルアルコールを海成分とする海島型複合繊維の不織布に自己乳化型水系ポリウレタン樹脂を含浸した後、海成分を抽出することにより、平均繊度0.2dtexのカチオン染料可染性ポリエステル繊維の不織布を含み、ポリウレタン比率10質量%である人工皮革生機を得た。そして、人工皮革生機をスライスし、表面をバフィング処理することにより、厚み0.78mm、見掛け密度0.49g/cm3に仕上げた。
スエード調の人工皮革のスエード調表面のL*a*b*表色系の座標値を分光光度計(ミノルタ社製:CM-3700)を用いて測色した。値は、試験片から平均的な位置を万遍なく選択して測定された3点の平均値として算出した。
スエード調の人工皮革を80℃×90%の湿熱条件下で48時間放置する処理をした後、風乾した。そして、湿熱処理後のスエード調表面の色座標を測色した。そして、スエード調表面の湿熱処理前の色座標と湿熱処理後の色座標との色差ΔE、及び、Δa*,Δb*,ΔL*,を求めた。
Q-PANEL社製 加速耐光試験機QUV/se(45℃、照度0.78W/m2)を用いて、スエード調の人工皮革に24時間UV照射した。そして、24時間UV照射後のスエード調表面の色座標を測定した。そして、24時間UV照射前後のスエード調表面の褪色をデータカラー社製の型番600を用いてG37 UV Color Changeモードで級数判定した。
実施例1において、アニオン性の多価フェノール誘導体を6%owf付与した代わりに、12%owf付与した以外は同様にして、スエード調の人工皮革を得、評価した。結果を表1に示す。
実施例1において、アニオン性の多価フェノール誘導体を6%owf付与した代わりに、3%owf付与した以外は同様にして、スエード調の人工皮革を得、評価した。結果を表1に示す。
表1に示すように、Nichilon Blue-GL 4%owfのみを含む染料液でロイヤルブルー色に染色した以外は実施例1と同様にして、スエード調の人工皮革を得、評価した。結果を表1に示す。
表1に示すように、Nichilon Blue-AZN 4%owfのみを含む染料液で黄みを帯びた青色に染色した以外は実施例1と同様にして、スエード調の人工皮革を得、評価した。結果を表1に示す。
実施例1において、アニオン性の多価フェノール誘導体を付与する工程を省略した以外は同様にして、スエード調の人工皮革を得、評価した。結果を表1に示す。
実施例4において、アニオン性の多価フェノール誘導体を付与する工程を省略した以外は同様にして、スエード調の人工皮革を得、評価した。結果を表1に示す。
実施例5において、アニオン性の多価フェノール誘導体を付与する工程を省略した以外は同様にして、スエード調の人工皮革を得、評価した。結果を表1に示す。
表1に示すように、Nichilon Blue-7G 4%owfを含む染料液で染色し、さらに、アニオン性の多価フェノール誘導体を付与する工程を省略した以外は実施例1と同様にして、スエード調の人工皮革を得、評価した。結果を表1に示す。
表1に示すように、Nichilon Blue-350 4%owfを含む染料液で染色し、さらに、アニオン性の多価フェノール誘導体を付与する工程を省略した以外は実施例1と同様にして、スエード調の人工皮革を得、評価した。結果を表1に示す。
Claims (10)
- アゾ結合を有する青色カチオン染料を含む染料で染色されたカチオン染料可染性ポリエステル繊維を含む繊維構造体と、前記繊維構造体の内部空隙に付与された高分子弾性体とを含み、
スルホン酸基を有する多価フェノール誘導体をさらに含む皮革様シート。 - 前記アゾ結合を有する青色カチオン染料がC.I.Basic Blue 54を含む請求項1に記載の皮革様シート。
- 前記カチオン染料可染性ポリエステル繊維が繊度0.05~1dtexである請求項1または2に記載の皮革様シート。
- 80℃,湿度90%,48時間の条件で湿熱処理したときに、湿熱処理前後の色差(ΔE)が、ΔE≦2である請求項1~3の何れか1項に記載の皮革様シート。
- 色座標空間(L*a*b*色空間)においてL*≦35の表面を有する請求項1~4の何れか1項に記載の皮革様シート。
- 表面が起毛処理されたスエード調人工皮革である請求項1~5の何れか1項に記載の皮革様シート。
- アゾ結合を有する青色カチオン染料を含む染料で染色されたカチオン染料可染性ポリエステル繊維と、スルホン酸基を有する多価フェノール誘導体とを含むことを特徴とする繊維構造体。
- 前記アゾ結合を有する青色カチオン染料がC.I.Basic Blue 54を含む請求項7に記載の繊維構造体。
- 前記カチオン染料可染性ポリエステル繊維が0.05~1dtexの繊度を有する、請求項7または8に記載の繊維構造体。
- 80℃,湿度90%の条件で48時間湿熱処理したときの色差(ΔE)が、ΔE≦2である表面を有する請求項7~9の何れか1項に記載の繊維構造体。
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