JP4888830B2 - アミノ酸誘導体含有アクリル繊維及びその製造方法並びに該繊維を含有する繊維構造物 - Google Patents
アミノ酸誘導体含有アクリル繊維及びその製造方法並びに該繊維を含有する繊維構造物 Download PDFInfo
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- JP4888830B2 JP4888830B2 JP2006253788A JP2006253788A JP4888830B2 JP 4888830 B2 JP4888830 B2 JP 4888830B2 JP 2006253788 A JP2006253788 A JP 2006253788A JP 2006253788 A JP2006253788 A JP 2006253788A JP 4888830 B2 JP4888830 B2 JP 4888830B2
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- amino acid
- acid derivative
- fiber
- water
- swellable resin
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Description
この不利を解消するために、繊維に対してより多くのアミノ酸誘導体を付与することが考えられる。しかし、そのためには、それに見合ったより多くのバインダーを使用せざるを得ず、バインダーの使用量が多くなるほど、風合いは硬くなってしまう。皮膚に接触するような用途に使用される場合には、風合いの低下は大きな問題となる。加えて、実際には放出されずにスキンケア効果に関与することのないアミノ酸誘導体を多量に付与しなければならず、経済的にも望ましくない。
(1)アクリロニトリル系重合体と酸性基を含有する水膨潤性樹脂からなり、該水膨潤性樹脂がスルホン酸基を繊維重量に対して少なくとも0.01mmol/g有し、かつ該水膨潤性樹脂をアクリル繊維表面および繊維内部に含有せしめてなるアクリル繊維であって、該水膨潤性樹脂の酸性基に塩基性アミノ酸誘導体がイオン結合されてなる徐放性及び洗濯耐久性の両方をバランス良く有するスキンケア効果の持続性に優れたアミノ酸誘導体含有アクリル繊維。
(2)アクリロニトリル系重合体と酸性基を含有する水膨潤性樹脂を含有せしめた紡糸原液を紡出し、水洗、延伸、乾燥後、塩基性アミノ酸誘導体を付与することを特徴とする(1)に記載のアミノ酸誘導体含有アクリル繊維の製造方法。
(3)アクリロニトリル系重合体と酸性基を含有する水膨潤性樹脂を含有せしめた紡糸原液を紡出し、水洗、延伸、緻密化乾燥後、塩基性アミノ酸誘導体を付与し、湿熱処理を行うことを特徴とする(1)に記載のアミノ酸誘導体含有アクリル繊維の製造方法。
(4)アクリロニトリル系重合体と酸性基を含有する水膨潤性樹脂を含有せしめた紡糸原液を紡出し、水洗、延伸後の緻密化されていない状態で塩基性アミノ酸誘導体を付与することを特徴とする(1)に記載のアミノ酸誘導体含有アクリル繊維の製造方法。
(5)アクリロニトリル系重合体と酸性基を含有する水膨潤性樹脂を含有せしめた紡糸原液を紡出し、水洗、延伸後の緻密化されていない状態で塩基性アミノ酸誘導体を付与し、湿熱処理を行い、該湿熱処理温度以下の温度で乾燥することを特徴とする(1)に記載のアミノ酸誘導体含有アクリル繊維の製造方法。
(6)(1)に記載のアミノ酸誘導体含有アクリル繊維を用いた繊維構造物。
編地試料を20重量%塩酸水溶液中で110℃、24時間処理し、得られたアルギニン抽出液を液体クロマトグラフィー−ニンヒドリン可視光吸収測定することにより、含有量を求めた。
洗濯試験JIS‐L‐0217‐103法に準拠して、編地試料30gを洗剤として花王株式会社製アタック(登録商標):0.67g/L(標準使用量)を用い、浴比1:30、40℃の水で5分間洗濯し、次いですすぎを行った。
アクリロニトリル48重量%、アクリル酸メチルエステル22重量%、スルホン酸基含有モノマーとしてパラスチレンスルホン酸ソーダ30重量%をアンモニュームパーサルファイト/ピロ亜硫酸ソーダのレドックス系触媒で連続重合してスルホン酸基を1.45mmol/g含有し、乾燥固形分が19重量%である水膨潤性樹脂の水分散体を準備した。
アクリロニトリル88重量%、アクリル酸メチルエステル11.7重量%、メタアリルスルホン酸ソーダ0.3重量%(スルホン酸基量として0.035mmol/g)を含有するアクリロニトリル系重合体をチオシアン酸ソーダ48%水溶液に溶解し、共重合体濃度が11重量%になるよう紡糸原液を準備した。該紡糸原液に、スルホン酸基の量が表1に示す量になるように酸性基を含有する水膨潤性樹脂を添加、混合、溶解して混合原液を連続的に作成し、紡糸装置に導いた。
実施例3と同じ混合原液を、−3℃、10%チオシアン酸ソーダ水溶液中に紡出し、得られた湿潤フィラメントは沸水中で12倍延伸後、80℃に調整した硝酸アルギニン2%水溶液に浸漬して絞り率50%に絞り、次いで115℃の熱風中で15分間乾燥し、更に120℃の過熱水蒸気中で10分間の熱処理を行い、次いで通常の紡績油剤に浸漬処理した後、100℃で10分間乾燥させて1.0dtexの繊維を作成した。試料作成条件の詳細を表3に示す。
実施例3と同じ混合原液を、−3℃、10%チオシアン酸ソーダ水溶液中に紡出し、得られた湿潤フィラメントは沸水中で12倍延伸後、115℃の熱風中で15分間乾燥した。得られた繊維は120℃の過熱水蒸気中で10分間の熱処理を行い、通常の紡績油剤に浸漬処理した後、100℃で10分間乾燥させた。次いで80℃に調整した硝酸アルギニン2%水溶液に浸漬して絞り率50%に絞り、100℃で10分間乾燥させて1.0dtexの繊維を作成した。試料作成条件の詳細を表3示す。
実施例3と同じ混合原液を、−3℃、10%チオシアン酸ソーダ水溶液中に湿式紡糸し、得られた湿潤フィラメントは沸水中で12倍延伸後、80℃に調整した硝酸アルギニン2%水溶液に浸漬して絞り率50%に絞る。次いで110〜130℃の加圧水蒸気中で10分間の熱処理を行い、次いで通常の紡績油剤に浸漬処理した後、100℃で10分間分間乾燥させて1.0dtexの繊維を作成した。試料作成条件の詳細を表5に示す。
Claims (6)
- アクリロニトリル系重合体と酸性基を含有する水膨潤性樹脂からなり、該水膨潤性樹脂がスルホン酸基を繊維重量に対して少なくとも0.01mmol/g有し、かつ該水膨潤性樹脂をアクリル繊維表面および繊維内部に含有せしめてなるアクリル繊維であって、該水膨潤性樹脂の酸性基に塩基性アミノ酸誘導体がイオン結合されてなる徐放性及び洗濯耐久性の両方をバランス良く有するスキンケア効果の持続性に優れたアミノ酸誘導体含有アクリル繊維。
- アクリロニトリル系重合体と酸性基を含有する水膨潤性樹脂を含有せしめた紡糸原液を紡出し、水洗、延伸、乾燥後、塩基性アミノ酸誘導体を付与することを特徴とする請求項1に記載のアミノ酸誘導体含有アクリル繊維の製造方法。
- アクリロニトリル系重合体と酸性基を含有する水膨潤性樹脂を含有せしめた紡糸原液を紡出し、水洗、延伸、緻密化乾燥後、塩基性アミノ酸誘導体を付与し、湿熱処理を行うことを特徴とする請求項1に記載のアミノ酸誘導体含有アクリル繊維の製造方法。
- アクリロニトリル系重合体と酸性基を含有する水膨潤性樹脂を含有せしめた紡糸原液を紡出し、水洗、延伸後の緻密化されていない状態で塩基性アミノ酸誘導体を付与することを特徴とする請求項1に記載のアミノ酸誘導体含有アクリル繊維の製造方法。
- アクリロニトリル系重合体と酸性基を含有する水膨潤性樹脂を含有せしめた紡糸原液を紡出し、水洗、延伸後の緻密化されていない状態で塩基性アミノ酸誘導体を付与し、湿熱処理を行い、該湿熱処理温度以下の温度で乾燥することを特徴とする請求項1に記載のアミノ酸誘導体含有アクリル繊維の製造方法。
- 請求項1に記載のアミノ酸誘導体含有アクリル繊維を用いた繊維構造物。
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