JP7070805B1 - 凝固物の製造方法 - Google Patents
凝固物の製造方法 Download PDFInfo
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- JP7070805B1 JP7070805B1 JP2021553860A JP2021553860A JP7070805B1 JP 7070805 B1 JP7070805 B1 JP 7070805B1 JP 2021553860 A JP2021553860 A JP 2021553860A JP 2021553860 A JP2021553860 A JP 2021553860A JP 7070805 B1 JP7070805 B1 JP 7070805B1
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Abstract
Description
オクチル酸第一錫0.1質量部の存在下、ポリエーテルポリオール(三菱化学株式会社製「PTMG2000」、数平均分子量;2,000、以下「PTMG2000」と略記する。)1,000質量部と、ポリエチレングリコール(日油株式会社製「PEG600」、数平均分子量;600、以下「PEG」と略記する。)38質量部と、ジシクロヘキシルメタンジイソシアネート(以下、「HMDI」と略記する。)262質量部とをNCO%が2.8質量%に達するまで100℃で反応させてウレタンプレポリマーA1を得た。得られたウレタンプレポリマーA1の粘度は、7,280mPa・sであった。
70℃に加熱したA1と、乳化剤としてドデシルベンゼンスルホン酸ナトリウム20質量%水溶液(第一工業製薬株式会社製「ネオゲンS-20F」)、水を二軸押出機(TEM-18SS:東芝機械製)に同時に供給、混合することで乳化液を得た。供給液それぞれの流量はA1:10kg/時、乳化剤水溶液:2.0kg/時、水:6.5kg/時、二軸押出機運転条件は50℃、260rpmであった。
その後、直ちにNCO基の95%に相当するアミノ基含量のピペラジン(以下、「PP」と略記する。)の水希釈液を添加して鎖伸長させ、最終的に不揮発分の含有率が50質量%のウレタン樹脂水分散体(1)を得た。
オクチル酸第一錫0.1質量部の存在下、PTMG2000を1,000質量部、PEG600を19質量部、HMDIを262質量部を混合し、NCO%が3.1質量%に達するまで100℃で反応させてウレタンプレポリマーA2を得た。得られたウレタンプレポリマーA2の粘度は、7,280mPa・sであった。
70℃に加熱したA2と、乳化剤としてドデシルベンゼンスルホン酸ナトリウム20質量%水溶液(第一工業製薬株式会社製「ネオゲンS-20F」)、水を二軸押出機(TEM-18SS:東芝機械製)に同時に供給、混合することで乳化液を得た。供給液それぞれの流量はA2:10kg/時、乳化剤水溶液:2.0kg/時、水:0.1kg/時、二軸押出機運転条件は50℃、260rpmであった。
その後、直ちにNCO基の95%に相当するアミノ基含量のイソホロンジアミン(以下、「IPDA」と略記する。)の水希釈液を添加して鎖伸長させ、最終的に不揮発分の含有率が60質量%のウレタン樹脂水分散体(2)を得た。
オクチル酸第一錫0.1質量部の存在下、PTMG2000を1,000質量部、PEGを18質量部、HMDIを262質量部を混合し、NCO%が3.1質量%に達するまで100℃で反応させてウレタンプレポリマーA3を得た。得られたウレタンプレポリマーA3の粘度は、7,280mPa・sであった。
70℃に加熱したA3と、乳化剤としてポリプロピレンポリエチレン共重合体(株式会社ADEKA製「プロロニックL-64」)、水を二軸押出機(TEM-18SS:東芝機械製)に同時に供給、混合することで乳化液を得た。供給液それぞれの流量はA3:10kg/時、乳化剤:0.5kg/時、水:5.8kg/時、二軸押出機運転条件は50℃、260rpmであった。
その後、直ちにNCO基の95%に相当するアミノ基含量のIPDAの水希釈液を添加して鎖伸長させ、最終的に不揮発分の含有率が50質量%のウレタン樹脂水分散体(3)を得た。
オクチル酸第一錫0.1質量部の存在下、PTMG2000を1,000質量部、PEGを18質量部、HMDIを262質量部を混合し、NCO%が3.1質量%に達するまで100℃で反応させてウレタンプレポリマーA4を得た。得られたウレタンプレポリマーA4の粘度は、7,280mPa・sであった。
70℃に加熱したA4と、乳化剤としてドデシルベンゼンスルホン酸ナトリウム20質量%水溶液(第一工業製薬株式会社製「ネオゲンS-20F」)、ポリプロピレンポリエチレン共重合体(株式会社ADEKA製「プロロニックL-64」)、水を二軸押出機(TEM-18SS:東芝機械製)に同時に供給、混合することで乳化液を得た。供給液それぞれの流量はA5:10kg/時、乳化剤水溶液S-20F:1.3kg/時、乳化剤L-64:0.3kg/時、水:2.4kg/時、二軸押出機運転条件は50℃、260rpmであった。
その後、直ちにNCO基の95%に相当するアミノ基含量のエチレンジアミン(以下「EA」と略記する。)の水希釈液を添加して鎖伸長させ、最終的に不揮発分の含有率が60質量%のウレタン樹脂水分散体(4)を得た。
オクチル酸第一錫0.1質量部の存在下、ポリカーボネートジオールポリオール(宇部興産株式会社製「ETERNACOLL UH-200」、数平均分子量;2,000)1,000質量部と、PEG38質量部と、HMDI262質量部とをNCO%が2.8質量%に達するまで100℃で反応させてウレタンプレポリマーA5を得た。得られたウレタンプレポリマーA5の粘度は、29,000mPa・sであった。
70℃に加熱したA5と、乳化剤としてドデシルベンゼンスルホン酸ナトリウム20質量%水溶液(第一工業製薬株式会社製「ネオゲンS-20F」)、水を二軸押出機(TEM-18SS:東芝機械製)に同時に供給、混合することで乳化液を得た。供給液それぞれの流量はA1:10kg/時、乳化剤水溶液:2.0kg/時、水:6.5kg/時、二軸押出機運転条件は50℃、260rpmであった。
その後、直ちにNCO基の95%に相当するアミノ基含量のPPの水希釈液を添加して鎖伸長させ、最終的に不揮発分の含有率が50質量%のウレタン樹脂水分散体(5)を得た。
オクチル酸第一錫0.1質量部の存在下、PTMG2000を1,000質量部、ジメチロールプロピオン酸(以下「DMPA」と略記する。)を18質量部、HMDIを262質量部を混合し、NCO%が2.4質量%に達するまで100℃で反応させてウレタンプレポリマーB1を得た。得られたウレタンプレポリマーB1の粘度は、949,000mPa・sであった。
70℃に加熱したB1と、中和剤としてトリエチルアミン、乳化剤としてポリプロピレンポリエチレン共重合体(株式会社ADEKA製「プロロニックL-64」)、水を二軸押出機(TEM-18SS:東芝機械製)に同時に供給、混合することで乳化液を得た。供給液それぞれの流量はA5:10kg/時、中和剤:0.1kg/時、乳化剤L-64:0.3kg/時、水:8.5kg/時、二軸押出機運転条件は50℃、260rpmであった。
その後、直ちにNCO基の95%に相当するアミノ基含量のピペラジン(以下「PP」と略記する。)の水希釈液を添加して鎖伸長させ、最終的に不揮発分の含有率が50質量%のウレタン樹脂水分散体(R1)を得た。
得られたウレタン樹脂水分散体(1)~(3)それぞれ1,000質量部に、イオン交換水を加え、固形分が30質量%となるように調整し、さらに増粘剤(Borchers社製「Borchi Gel L75N」10質量部を加え、メカニカルミキサーを2,000rpmにて攪拌した配合液を作製した。
次いで、ポリエステル繊維不織布(目付250g/m2)を前記配合液に含浸させた後、ゴムローラーマングルを用いて含浸量が200%となるように不要な配合液を搾り取った。次いで、配合液を含ませた不織布を25℃の5質量%塩化ナトリウム水溶液の凝固浴(以下「NaCl」と略記する。)に3分間浸漬させて、ウレタン樹脂を凝固させた。更に凝固後の加工布に水をかけ流しながら、ゴムローラーマングルで10回絞り水洗した。最後に、120℃の熱風乾燥機にて30分乾燥させて凝固物を有する繊維基材を得た。
得られたウレタン樹脂水分散体(4)~(5)それぞれ1,000質量部に、イオン交換水を加え、固形分が30質量%となるように調整し、さらに増粘剤(Borchers社製「Borchi Gel L75N」10質量部を加え、メカニカルミキサーを2,000rpmにて攪拌した配合液を作製した。
次いで、ポリエステル繊維不織布(目付250g/m2)を前記配合液に含浸させた後、ゴムローラーマングルを用いて含浸量が200%となるように不要な配合液を搾り取った。次いで、配合液を含ませた不織布を25℃の5質量%の硫酸アンモニウム水溶液の凝固浴(以下「硫酸アンモニウム」と略記する。)に3分間浸漬させて、ウレタン樹脂を凝固させた。更に凝固後の加工布に水をかけ流しながら、ゴムローラーマングルで10回絞り水洗した。最後に、120℃の熱風乾燥機にて30分乾燥させて凝固物を有する繊維基材を得た。
得られたウレタン樹脂水分散体(1)1,000質量部に、イオン交換水を加え、固形分が30質量%となるように調整し、さらに増粘剤(Borchers社製「Borchi Gel L75N」10質量部を加え、メカニカルミキサーを2,000rpmにて攪拌した配合液を作製した。
次いで、ポリエステル繊維不織布(目付250g/m2)を前記配合液に含浸させた後、120℃の熱風乾燥機にて30分加熱乾燥することにより感熱凝固させた繊維基材を得た。
得られたウレタン樹脂水分散体(R1)1,000質量部に、実施例1~4と同様にイオン交換水を加え、固形分が30質量%となるように調整し、さらに架橋剤(日清紡ケミカル社製「カルボジライトV-02-L2」)50質量部、増粘剤(Borchers社製「Borchi Gel L75N」)10質量部を加え、メカニカルミキサーを2,000rpmにて攪拌した配合液を作製した。
次いで、実施例1~4と同様の加工を実施し、凝固物を有する繊維基材を得た。
合成例及び比較合成例で用いたポリオール等の数平均分子量は、ゲル・パーミエーション・カラムクロマトグラフィー(GPC)法により、下記の条件で測定し得られた値を示す。
カラム:東ソー株式会社製の下記のカラムを直列に接続して使用した。
「TSKgel G5000」(7.8mmI.D.×30cm)×1本
「TSKgel G4000」(7.8mmI.D.×30cm)×1本
「TSKgel G3000」(7.8mmI.D.×30cm)×1本
「TSKgel G2000」(7.8mmI.D.×30cm)×1本
検出器:RI(示差屈折計)
カラム温度:40℃
溶離液:テトラヒドロフラン(THF)
流速:1.0mL/分
注入量:100μL(試料濃度0.4質量%のテトラヒドロフラン溶液)
標準試料:下記の標準ポリスチレンを用いて検量線を作成した。
東ソー株式会社製「TSKgel 標準ポリスチレン A-500」
東ソー株式会社製「TSKgel 標準ポリスチレン A-1000」
東ソー株式会社製「TSKgel 標準ポリスチレン A-2500」
東ソー株式会社製「TSKgel 標準ポリスチレン A-5000」
東ソー株式会社製「TSKgel 標準ポリスチレン F-1」
東ソー株式会社製「TSKgel 標準ポリスチレン F-2」
東ソー株式会社製「TSKgel 標準ポリスチレン F-4」
東ソー株式会社製「TSKgel 標準ポリスチレン F-10」
東ソー株式会社製「TSKgel 標準ポリスチレン F-20」
東ソー株式会社製「TSKgel 標準ポリスチレン F-40」
東ソー株式会社製「TSKgel 標準ポリスチレン F-80」
東ソー株式会社製「TSKgel 標準ポリスチレン F-128」
東ソー株式会社製「TSKgel 標準ポリスチレン F-288」
東ソー株式会社製「TSKgel 標準ポリスチレン F-550」
実施例及び比較例で得られたウレタン樹脂水分散体をレーザー回折/散乱式粒度分布測定装置(株式会社堀場製作所製「LA-910」)を使用して、分散液として水を使用し、相対屈折率=1.10、粒子径基準が面積の時の平均粒子径を測定した。
得られた加工布を触感により以下のように評価した。
「A」;腰感、充実感ともに特に優れている。
「B」;腰感があり、充実感も感じられる。
「C」;腰感、充実感にやや劣る。
「D」;腰感、充実感が全く感じられない。
攪拌翼を有するSUS製セパラブルフラスコに1質量%水酸化ナトリウム水溶液を入れ、95℃に加熱した。フラスコ内に加工布を入れ、30分、50rpmで攪拌した。その後、含浸加工布を取り出し、加工布に水をかけ流しながら、ゴムローラーマングルで10回絞り水洗した。最後に、120℃の熱風乾燥機にて30分乾燥させた繊維基材を触感により評価した。
「A」;腰感、充実感ともに特に優れている。
「B」;腰感があり、充実感も感じられる。
「C」;腰感、充実感にやや劣る。
「D」;腰感、充実感が全く感じられない。
PTFE製耐圧容器中に5質量%かつpH4.5の0.5M酢酸ナトリウム緩衝液と前記[耐アルカリ性の評価方法]の試験後の加工布を入れ、120℃で24時間加熱した。その後、取り出した加工布に水をかけ流しながら、ゴムローラーマングルで10回絞り水洗した。最後に、120℃の熱風乾燥機にて30分乾燥させた繊維基材を触感により評価した。
「A」;腰感、充実感ともに特に優れている。
「B」;腰感があり、充実感も感じられる。
「C」;腰感、充実感にやや劣る。
「D」;腰感、充実感が全く感じられない。
Claims (1)
- 繊維基材に、ノニオン性基を有する化合物(a1)、ポリオール(a3)、及び、ポリイソシアネート(a4)を必須原料としたウレタン樹脂(X)の水分散体を含浸させ、次いで、凝固剤(Y)に浸漬させる凝固物の製造方法であり、前記化合物(a1)が、数平均分子量が300~600の範囲のポリエチレングリコール(前記ウレタン樹脂(X)の側鎖として導入されるものを除く。)であり、その使用率が、ウレタン樹脂(X)を構成する原料の合計質量中0.25質量%以上5質量%以下であり、前記凝固剤(Y)が、金属化合物(Y1)、酸化合物(Y2)、及び、前記酸化合物(Y2)以外の非金属化合物(Y3)からなる群より選ばれる1種以上であることを特徴とする凝固物の製造方法。
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| WO2017221455A1 (ja) * | 2016-06-20 | 2017-12-28 | Dic株式会社 | 凝固物の製造方法 |
| CN106543406A (zh) * | 2016-11-04 | 2017-03-29 | 万华化学集团股份有限公司 | 一种水性聚氨酯分散体浆料及其用于制备湿法贝斯的方法 |
| WO2018186141A1 (ja) * | 2017-04-04 | 2018-10-11 | Dic株式会社 | 多孔体の製造方法 |
| WO2018186142A1 (ja) * | 2017-04-04 | 2018-10-11 | Dic株式会社 | 多孔体、手袋、及び、合成皮革の製造方法 |
| WO2019087795A1 (ja) * | 2017-11-01 | 2019-05-09 | Dic株式会社 | 凝固物の製造方法 |
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| EP4166712A4 (en) | 2024-05-15 |
| TWI888545B (zh) | 2025-07-01 |
| JPWO2021251053A1 (ja) | 2021-12-16 |
| EP4166712A1 (en) | 2023-04-19 |
| WO2021251053A1 (ja) | 2021-12-16 |
| TW202200866A (zh) | 2022-01-01 |
| CN115461507B (zh) | 2024-03-19 |
| CN115461507A (zh) | 2022-12-09 |
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