JP7505651B2 - ウレタン樹脂組成物、及び、積層体 - Google Patents
ウレタン樹脂組成物、及び、積層体 Download PDFInfo
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- JP7505651B2 JP7505651B2 JP2023561555A JP2023561555A JP7505651B2 JP 7505651 B2 JP7505651 B2 JP 7505651B2 JP 2023561555 A JP2023561555 A JP 2023561555A JP 2023561555 A JP2023561555 A JP 2023561555A JP 7505651 B2 JP7505651 B2 JP 7505651B2
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- urethane resin
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- urethane
- resin composition
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Description
(X)前記ウレタン樹脂組成物を気泡させて起泡液を得、この起泡液を離型紙上に塗布し、乾燥させ、前記基材(i)と貼り合わせる方法、
(Y)前記ウレタン樹脂組成物を起泡させ起泡液を得、この起泡液を、離型紙上に作製した表皮層上に塗布し、乾燥させ、前記基材(i)と貼り合わせる方法、
(Z)前記ウレタン樹脂組成物を起泡させ起泡液を得、この起泡液を前記基材(i)上に塗布し、乾燥させ、必要に応じて、その上に、離型紙上に作製した表皮層(iii)を貼り合わせる方法などが挙げられる。
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)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)38質量部と、ジシクロヘキシルメタンジイソシアネート(HMDI)262質量部とをNCO%が2.8%に達するまで100℃で反応させてウレタンプレポリマーを得た。
70℃に加熱した前記ウレタンプレポリマーと乳化剤ドデシルベンゼンスルホン酸Na20%水溶液(第一工業製薬株式会社製「ネオゲンS-20F」)65質量部、水948質量部をホモミキサーで攪拌、混合して乳化液を得た。その後、直ちにNCO基と等モル量に相当するアミノ基含量のイソホロンジアミン(IPDA)の水希釈液を添加して鎖伸長させ、最終的にウレタン樹脂(A-1)の含有率が、58質量%のウレタン樹脂(A-1)組成物を得た。
オクチル酸第一錫0.1質量部の存在下、ポリカーボネートポリオール(1,6-ヘキサンジオールを原料とするもの、数平均分子量;2,000)を1,000質量部と、PEG600を18質量部と、HMDI262質量部とを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を得た。
70℃に加熱した前記ウレタンプレポリマーと乳化剤ドデシルベンゼンスルホン酸Na20%水溶液(第一工業製薬株式会社製「ネオゲンS-20F」)64質量部、水811質量部をホモミキサーで攪拌、混合して乳化液を得た。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、最終的にウレタン樹脂(A-2)の含有率が60質量%のウレタン樹脂(A-2)組成物を得た。
撹拌機、還流冷却管、温度計及び窒素吹き込み管を備えた4ツ口フラスコに、窒素気流下、PTMG-2000を500質量部、ジメチロールプロピオン酸(以下「DMPA」と略記する。)13質量部、メチルエチルケトン443質量部を加え、均一に混合した後、イソホロンジイソシアネート(以下「IPDI」と略記する。)152質量部を加え、次いでオクチル酸ビスマス0.1質量部を加え、70℃で約1時間反応させ、ウレタンポリマーのメチルエチルケトン溶液を得た。次いで、前記方法で得られたウレタンポリマーのメチルエチルケトン溶液にトリエチルアミン20質量部を加え混合した後、イオン交換水691質量部を加えて、ピペラジンを26質量部加えた後、メチルエチルケトンを減圧下留去することによって、ウレタン樹脂(A-3)を含むウレタン樹脂組成物を得た。
合成例1で得られたウレタン樹脂(A-1)組成物100g、増粘剤「Borch Gel ALA」(Borchers社製)2.0g、ステアリン酸アンモニウム2.0g、1,3-ブタンジオール(以下「BG」と略記する。)5.0gをメカニカルミキサー1,500rpmにて撹拌し、空気を含ませることで初期体積に対し150%体積にした配合液を調整した。
これを離型紙上に塗工し、120℃で3分間乾燥させることで、厚さ300μmのウレタン発泡層を得、これをポリエステル繊維の不織布に貼り合わせることで合成皮革を得た。
合成例2で得られたウレタン樹脂(A-2)組成物100gと増粘剤「Borch Gel ALA」(Borchers社製)2.0g、ステアリン酸アンモニウム2.0g、BG5.0gをメカニカルミキサー2,000rpmにて撹拌し、空気を含ませることで初期体積に対し150%体積にした配合液を調整した。
これを離型紙上に塗工し、80℃で3分間乾燥させることで、厚さ300μmのウレタン発泡層を得、これをポリエステル繊維の不織布に貼り合わせることで合成皮革を得た。
合成例3で得られたウレタン樹脂(A-3)組成物100gと増粘剤「Borch Gel ALA」(Borchers社製)2.0g、ステアリン酸アンモニウム2.0g、プロピレングリコール(以下「PG」と略記する。)5.0gをメカニカルミキサー2,000rpmにて撹拌し、空気を含ませることで初期体積に対し150%体積にした配合液を調整した。
これを離型紙上に塗工し、80℃で3分間乾燥させることで、厚さ300μmのウレタン発泡層を得、これを不織布に貼り合わせることで合成皮革を得た。
合成例3で得られたウレタン樹脂(A-3)組成物100gと増粘剤「Borch Gel ALA」(Borchers社製)2.0g、ステアリン酸アンモニウム2.0g、BG5.0g、ポリオキシエチレンラウリルエーテル(日油株式会社製「ノニオンK-2100W」、以下「K-2100W」と略記する。)3.0gをメカニカルミキサー2,000rpmにて撹拌し、空気を含ませることで初期体積に対し150%体積にした配合液を調整した。
これを離型紙上に塗工し、80℃で3分間乾燥させることで、厚さ300μmのウレタン発泡層を得、これを不織布に貼り合わせることで合成皮革を得た。
合成例3で得られたウレタン樹脂(A-3)組成物100gと増粘剤「Borch Gel ALA」(Borchers社製)2.0g、ステアリン酸アンモニウム2.0g、BG5.0g、メトキシポリエチレングリコール(日油株式会社製「ユニオックスM-550」、以下「MPEG」と略記する。)3.0gをメカニカルミキサー2,000rpmにて撹拌し、空気を含ませることで初期体積に対し150%体積にした配合液を調整した。
これを離型紙上に塗工し、80℃で3分間乾燥させることで、厚さ300μmのウレタン発泡層を得、これを不織布に貼り合わせることで合成皮革を得た。
合成例3で得られたウレタン樹脂(A-3)組成物100gと増粘剤「Borch Gel ALA」(Borchers社製)2.0g、ステアリン酸アンモニウム2.0gをメカニカルミキサー2,000rpmにて撹拌し、空気を含ませることで初期体積に対し150%体積にした配合液を調整した。
これを離型紙上に塗工し、80℃で3分間乾燥させることで、厚さ300μmのウレタン発泡層を得、これを不織布に貼り合わせることで合成皮革を得た。
合成例3で得られたウレタン樹脂(A-3)組成物100gと増粘剤「Borch Gel ALA」(Borchers社製)2.0g、ステアリン酸アンモニウム2.0g、メタノール5.0gをメカニカルミキサー2,000rpmにて撹拌し、空気を含ませることで初期体積に対し150%体積にした配合液を調整した。
これを離型紙上に塗工し、80℃で3分間乾燥させることで、厚さ300μmのウレタン発泡層を得、これを不織布に貼り合わせることで合成皮革を得た。
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組成物をレーザー回折/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。
実施例および比較例で調整された配合液の概観を観察し、配合液安定性を評価した。
「○」:沈殿物や粘度上昇による非流動化が確認されない。
「×」:沈殿物や粘度上昇による非流動化が確認される。
実施例及び比較例で得られた合成皮革の外観を観察し、クラックの有無を確認した。クラックがないものを「〇」、クラックが確認されたものを「×」と評価した。
実施例及び比較例で得られた合成皮革を手で触り、以下のように評価した。
「〇」:柔軟性と弾力がある
「×」:柔軟性が劣り、硬い。
Claims (5)
- 少なくとも、基材(i)、及び、ウレタン樹脂組成物により形成された発泡層(ii)を有する積層体であって、
前記ウレタン樹脂組成物が、親水性基を有するウレタン樹脂(A)、水(B)、2~4個のアルコール性水酸基を有する、分子量が300以下の化合物(c1)を含む成膜助剤(C)、及び炭素原子数が10以上の疎水部を有する界面活性剤(D)を含有することを特徴とする積層体。 - 前記化合物(c1)が、1,3-ブタンジオール、及び/又は、プロピレングリコールである請求項1記載の積層体。
- 前記ウレタン樹脂(A)の親水性基が、アニオン性基、及び/又は、ノニオン性基である請求項1又は2記載の積層体。
- 前記界面活性剤(D)が、ステアリン酸塩である請求項1~3のいずれか1項記載の積層体。
- 前記発泡層(ii)が、前記ウレタン樹脂組成物を機械発泡することにより形成されたものである請求項1~4のいずれか1項記載の積層体。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021187751 | 2021-11-18 | ||
| JP2021187751 | 2021-11-18 | ||
| PCT/JP2022/041828 WO2023090237A1 (ja) | 2021-11-18 | 2022-11-10 | ウレタン樹脂組成物、及び、積層体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2023090237A1 JPWO2023090237A1 (ja) | 2023-05-25 |
| JP7505651B2 true JP7505651B2 (ja) | 2024-06-25 |
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| JP2023561555A Active JP7505651B2 (ja) | 2021-11-18 | 2022-11-10 | ウレタン樹脂組成物、及び、積層体 |
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| Country | Link |
|---|---|
| EP (1) | EP4435055A4 (ja) |
| JP (1) | JP7505651B2 (ja) |
| KR (1) | KR20240102940A (ja) |
| CN (1) | CN118475654A (ja) |
| TW (1) | TW202330785A (ja) |
| WO (1) | WO2023090237A1 (ja) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013027489A1 (ja) | 2011-08-22 | 2013-02-28 | Dic株式会社 | 皮革様シート及びその製造方法 |
| WO2013084590A1 (ja) | 2011-12-09 | 2013-06-13 | Dic株式会社 | 造膜助剤ならびにそれを含有する水性樹脂組成物及び鋼板表面処理剤 |
| CN109306047A (zh) | 2018-10-09 | 2019-02-05 | 东阳市特意新材料科技有限公司 | 一种改性聚氨酯防火水性涂料及其制备方法 |
| WO2020177068A1 (en) | 2019-03-05 | 2020-09-10 | Dow Global Technologies Llc | Waterborne polyurethane dispersion and method for preparing the same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3319848B2 (ja) * | 1993-12-17 | 2002-09-03 | 株式会社イノアックコーポレーション | 多層複合シート及びその製造方法 |
| JP4866091B2 (ja) | 2006-01-17 | 2012-02-01 | ユニチカトレーディング株式会社 | ポリウレタン微多孔膜を備えた高発泡布帛及びその製造方法 |
| WO2017069013A1 (ja) * | 2015-10-19 | 2017-04-27 | Dic株式会社 | 捺染剤、捺染剤の製造方法及び布帛物 |
| JP6981575B2 (ja) * | 2019-10-28 | 2021-12-15 | Dic株式会社 | 発泡シート、及び、合成皮革 |
-
2022
- 2022-11-10 KR KR1020247011109A patent/KR20240102940A/ko active Pending
- 2022-11-10 WO PCT/JP2022/041828 patent/WO2023090237A1/ja not_active Ceased
- 2022-11-10 CN CN202280070695.3A patent/CN118475654A/zh active Pending
- 2022-11-10 JP JP2023561555A patent/JP7505651B2/ja active Active
- 2022-11-10 EP EP22895519.1A patent/EP4435055A4/en active Pending
- 2022-11-17 TW TW111143913A patent/TW202330785A/zh unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013027489A1 (ja) | 2011-08-22 | 2013-02-28 | Dic株式会社 | 皮革様シート及びその製造方法 |
| WO2013084590A1 (ja) | 2011-12-09 | 2013-06-13 | Dic株式会社 | 造膜助剤ならびにそれを含有する水性樹脂組成物及び鋼板表面処理剤 |
| CN109306047A (zh) | 2018-10-09 | 2019-02-05 | 东阳市特意新材料科技有限公司 | 一种改性聚氨酯防火水性涂料及其制备方法 |
| WO2020177068A1 (en) | 2019-03-05 | 2020-09-10 | Dow Global Technologies Llc | Waterborne polyurethane dispersion and method for preparing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20240102940A (ko) | 2024-07-03 |
| EP4435055A1 (en) | 2024-09-25 |
| CN118475654A (zh) | 2024-08-09 |
| WO2023090237A1 (ja) | 2023-05-25 |
| TW202330785A (zh) | 2023-08-01 |
| JPWO2023090237A1 (ja) | 2023-05-25 |
| EP4435055A4 (en) | 2025-11-05 |
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