JP7309804B2 - ポリアミドブロックとポリエーテルブロックとを有するコポリマー発泡体 - Google Patents
ポリアミドブロックとポリエーテルブロックとを有するコポリマー発泡体 Download PDFInfo
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Description
-該コポリマーの該ポリアミドブロックが数平均分子量200~1500g/molを有し;
-該コポリマーの該ポリエーテルブロックが数平均分子量800~2500g/molを有し;そして
-該ポリエーテルブロックに対する該ポリアミドブロックの質量比が0.1~0.9である発泡体に関する。
-該コポリマーの該ポリアミドブロックは数平均分子量400~1000g/mol、好ましくは600~850g/molを有し;
-該コポリマーの該ポリエーテルブロックは数平均分子量1000~2000g/molを有し;そして
-該ポリエーテルブロックに対する該ポリアミドブロックの質量比は0.3~0.6である。
1)ジアミン鎖末端を有するポリアミドブロックと、ジカルボキシル鎖末端を有するポリオキシアルキレンブロックとの重縮合;
2)ジカルボキシル鎖末端を有するポリアミドブロックとジアミン鎖末端を有するポリオキシアルキレンブロック、例えばポリエーテルジオールと呼ばれる脂肪族ポリオキシアルキレンα,ω-ジヒドロキシル化ブロックのシアノエチル化と水素添加により得られるジアミン鎖末端を有するポリオキシアルキレンブロック、との重縮合;
3)ジカルボキシル鎖末端を有するポリアミドブロックとポリエーテルジオールとの重縮合。得られる該生成物は、この特定のケースでは、ポリエーテルエステルアミドである。
-X個の炭素原子を有する1つ又は複数の線状若しくは芳香族脂肪族ジアミンの重縮合;
-Y個の炭素原子を有する1つ又は複数のジカルボン酸の重縮合;および
-Z個の炭素原子を有するラクタム及びα,ω-アミノカルボン酸、並びにX1個の炭素原子を有する少なくとも1つのジアミンとY1個の炭素原子を有する少なくとも1つのジカルボン酸との等モル混合物から選ばれる1つ又は複数のコモノマー{Z}の重縮合、ここで(X1,Y1)は(X,Y)と異なる;
により調製され、
-上記1つ又は複数のコモノマー{Z}は、全ポリアミド前駆体モノマーに対して有利には50%まで、好ましくは20%まで、更に有利には10%までの重量比率で導入され;
-ジカルボン酸から選ばれる連鎖制限剤の存在下で重縮合される。
-PA6.6/6、ここで6.6はアジピン酸と縮合したヘキサメチレンジアミン単位を示し、6はカプロラクタムの縮合から得られた単位を示す;
-PA6.6/6.10/11/12、ここで6.6はアジピン酸と縮合したヘキサメチレンジアミン単位を示し、6.10はセバシン酸と縮合したヘキサメチレンジアミンを示し、11はアミノウンデカン酸の縮合から得られた単位を示し、そして12はラウリルラクタムの縮合から得られた単位を示す。
-PA11及びPEG;
-PA11及びPTMG;
-PA12及びPEG;
-PA12及びPTMG;
-PA6.10及びPEG;
-PA6.10及びPTMG;
-PA6及びPEG;
-PA6及びPTMG。
実施例1
種々のPEBAコポリマーをテストした。その特性を下記の表に要約する。
-シース温度:160~210℃
-射出速度:112cm/秒
-金型の開口前の保持時間:25~40秒
-冷却時間:120~180秒
-金型温度:60~80℃
-金型開口長さ:12mmまで
-金型の開口速度:50mm/秒
-全サイクル時間:145~220秒。
-密度:ISO 845標準による;
-反発レジリエンス:ISO 8307標準による(16.8g、直径16mmの鋼ボールを発泡体サンプル上に500mmの高さから落下させ、反発レジリエンスは該ボールに返ったエネルギーのパーセント、又は反発でボールが達した初期高さに対するパーセントに相当する);
-圧縮永久歪み:測定は、サンプルをある変形速度で所定の時間圧縮し、次に解放された拘束を解放し、そして回復時間後の残留変形を記載することから成る;測定はISO 7214標準に、変形50%、保持時間22時間、温度23℃にて、測定を30分後に実施し、別の測定を24時間の回復後に実施することによりに適合させる。
この実施例で、圧縮疲労テストを、PEBA No.Bを用いて200kg/m3で製造した発泡体及び対照TPU発泡体について実施する。
Claims (12)
- 非架橋ポリアミドポリエーテルブロックコポリマーの発泡体であって、
-該コポリマーの該ポリアミドブロックは数平均分子量200~1500g/molを有し;
-該コポリマーの該ポリエーテルブロックは数平均分子量800~2500g/molを有し;そして
-該ポリエーテルブロックに対する該ポリアミドブロックの質量比は0.1~0.9であり、ここで該発泡体は55%又はそれ以上の反発レジリエンスを有する発泡体。 - 請求項1に記載の発泡体であって、
-上記コポリマーの上記ポリアミドブロックが数平均分子量400~1000g/molを有し;
-上記コポリマーの上記ポリエーテルブロックが数平均分子量1000~2000g/molを有し;そして
-上記ポリエーテルブロックに対する上記ポリアミドブロックの質量比が0.3~0.6である発泡体。 - 上記コポリマーの上記ポリアミドブロックが、ポリアミド11のブロック、又はポリアミド12のブロック、又はポリアミド6のブロック、又はポリアミド6.10のブロックである、請求項1又は2に記載の発泡体。
- 上記コポリマーの上記ポリエーテルブロックが、ポリエチレングリコールのブロック又はポリテトラヒドロフランのブロックである、請求項1~3のいずれか1項に記載の発泡体。
- 上記発泡体が800kg/m3又はそれ未満の密度を有する、請求項1~4のいずれか1項に記載の発泡体。
- 上記発泡体が、1種又はそれ以上の、エチレンと酢酸ビニルとのコポリマー、エチレンとアクリレートとのコポリマー、及びエチレンとアルキル(メタ)アクリレートとのコポリマーから選ばれる添加物を含む、請求項1~5のいずれか1項に記載の発泡体。
- 請求項1~6のいずれか1項に記載の発泡体の製造法であって、溶融状態の上記コポリマーを、場合によっては1種又はそれ以上の添加物と共に、膨張剤と混合するステップ、及び該コポリマーと該膨張剤との混合物を発泡させるステップを含む製造法。
- 上記膨張剤が二窒素、二酸化炭素、炭化水素、クロロフルオロカーボン、ヒドロクロロカーボン、ヒドロフルオロカーボン及びヒドロクロロフルオロカーボンから選ばれる物理的膨張剤である、請求項7に記載の製造法。
- コポリマーと膨張剤との上記混合物を金型に射出するステップを含み、該混合物の発泡は該金型を開口することにより実施される、請求項7又は8に記載の製造法。
- 請求項1~6のいずれか1項に記載の発泡体から成る物品。
- 請求項1~6のいずれか1項に記載の発泡体から成る少なくとも1種の要素を含む物品。
- 運動靴の靴底、ボール、グローブ、個人の保護用具、レールのパッド、自動車部品、建造物部品、及び電気・電子装置の部品から選ばれる、請求項10又は11に記載の物品。
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FR1650719A FR3047245B1 (fr) | 2016-01-29 | 2016-01-29 | Mousse de copolymere a blocs polyamides et a blocs polyethers |
JP2018539277A JP6962922B2 (ja) | 2016-01-29 | 2017-01-27 | ポリアミドブロックとポリエーテルブロックとを有するコポリマー発泡体 |
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FR3047245B1 (fr) | 2016-01-29 | 2018-02-23 | Arkema France | Mousse de copolymere a blocs polyamides et a blocs polyethers |
FR3073852B1 (fr) | 2017-11-17 | 2019-10-11 | Arkema France | Mousse de copolymere a blocs |
FR3083541B1 (fr) * | 2018-07-03 | 2021-01-08 | Arkema France | Procede de fabrication d’une mousse de copolymere a blocs polyamides et a blocs polyethers |
FR3083540B1 (fr) * | 2018-07-03 | 2021-01-08 | Arkema France | Utilisation de mousses de peba pour le filtrage des vibrations |
EP3640287A1 (de) * | 2018-10-16 | 2020-04-22 | Röhm GmbH | Polyetherblockamid-poly(meth)acrylat-schäume |
CN109385097B (zh) * | 2018-10-23 | 2021-12-24 | 安踏(中国)有限公司 | 一种鞋用泡沫材料、其制备方法及其应用 |
EP3688067B1 (de) * | 2018-12-19 | 2021-12-01 | Evonik Operations GmbH | Formmasse enthaltend polyetherblockamid (peba) |
FR3093726B1 (fr) * | 2019-03-15 | 2021-10-01 | Arkema France | Procédé de fabrication d’une mousse de copolymère à blocs polyamides et à blocs polyéthers |
CN109943079A (zh) * | 2019-03-18 | 2019-06-28 | 军事科学院系统工程研究院军需工程技术研究所 | 一种聚酰胺弹性体发泡材料及其制备方法 |
CN110003644B (zh) * | 2019-03-18 | 2021-08-31 | 军事科学院系统工程研究院军需工程技术研究所 | 一种热塑性聚酰胺弹性体物理化学联合发泡材料及其制备方法 |
US20220153949A1 (en) * | 2019-03-28 | 2022-05-19 | Sekisui Plastics Co., Ltd. | Plant-derived polyamide-based elastomer foam molded body, method for manufacturing same, and foam particles thereof |
FR3096053B1 (fr) * | 2019-05-16 | 2021-11-19 | Arkema France | Poudre de copolymère à blocs polyamides et à blocs polyéthers |
CN111117215A (zh) * | 2020-01-02 | 2020-05-08 | 李宁(中国)体育用品有限公司 | 一种热塑性弹性体发泡鞋材及其制备方法 |
FR3114098B1 (fr) * | 2020-09-15 | 2023-07-14 | Arkema France | Composition comprenant un copolymère à blocs polyamides et à blocs polyéthers |
FR3114096B1 (fr) * | 2020-09-15 | 2023-08-25 | Arkema France | Mousse de polymères comprenant un copolymère à blocs polyamides et à blocs polyéthers |
FR3119396B1 (fr) * | 2021-02-01 | 2024-04-19 | Arkema France | Copolymère à blocs polyamides et à blocs polyéthers pour la fabrication d’un article moussé |
GB202104089D0 (en) * | 2021-03-24 | 2021-05-05 | Croda Int Plc | Elastomeric polymer compositions and rail track structures and systems comprimising the same |
CN115975385B (zh) * | 2022-12-12 | 2024-03-08 | 万华化学集团股份有限公司 | 一种尼龙弹性体发泡材料及其制备方法和应用 |
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CN108884253B (zh) | 2024-09-03 |
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JP2019510840A (ja) | 2019-04-18 |
FR3047245A1 (fr) | 2017-08-04 |
WO2017129913A1 (fr) | 2017-08-03 |
JP6962922B2 (ja) | 2021-11-05 |
US20190071570A1 (en) | 2019-03-07 |
EP3408317A1 (fr) | 2018-12-05 |
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