JP2022518557A - セラミックマトリックス複合材料用の乾燥プリプレグ - Google Patents
セラミックマトリックス複合材料用の乾燥プリプレグ Download PDFInfo
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- JP2022518557A JP2022518557A JP2021543351A JP2021543351A JP2022518557A JP 2022518557 A JP2022518557 A JP 2022518557A JP 2021543351 A JP2021543351 A JP 2021543351A JP 2021543351 A JP2021543351 A JP 2021543351A JP 2022518557 A JP2022518557 A JP 2022518557A
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
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Abstract
Description
Claims (12)
- プレセラミックマトリックスの総体積に基づいて、45体積%~60体積%の無機酸化物と40体積%~55体積%の有機バインダー系とを含む、前記プレセラミックマトリックスで含浸されたセラミック繊維のトウを含む乾燥プリプレグであって、前記プレセラミックマトリックスが、前記プレセラミックマトリックスの総重量に基づいて4重量パーセント以下の水性溶媒を含む、乾燥プリプレグ。
- 前記有機バインダー系が、ポリマーバインダーと前記ポリマーバインダーのための可塑剤とを含む、請求項1に記載の乾燥プリプレグ。
- 前記バインダーがポリオキサゾリンを含む、請求項2に記載の乾燥プリプレグ。
- 前記可塑剤がグリセロールを含む、請求項2又は3に記載の乾燥プリプレグ。
- 前記バインダー系中の可塑剤のバインダーに対する重量比が、10:90~30:70、例えば、15:85~25:75である、請求項2~4のいずれか一項に記載の乾燥プリプレグ。
- 前記プレセラミックマトリックスが、前記プレセラミックマトリックスの総重量に基づいて少なくとも96重量パーセントの前記無機酸化物と有機バインダー系とを含む、請求項1~5のいずれか一項に記載の乾燥プリプレグ。
- 前記水性溶媒が、少なくとも95重量%の水を含む、請求項1~6のいずれか一項に記載の乾燥プリプレグ。
- 前記プレセラミックマトリックスが、前記プレセラミックマトリックスの総重量に基づいて1.5重量%以下の水性溶媒を含む、請求項1~7のいずれか一項に記載の乾燥プリプレグ。
- 前記プリプレグが、前記プレセラミックマトリックスで含浸されたセラミック繊維の複数のトウを含むファブリックである、請求項1~8のいずれか一項に記載の乾燥プリプレグ。
- 前記プレセラミックマトリックスが、前記プレセラミックマトリックスの総体積に基づいて、50体積%~60体積%の無機酸化物と40体積%~50体積%の前記有機バインダー系とを含む、請求項1~9のいずれか一項に記載の乾燥プリプレグ。
- 前記セラミック繊維のトウが、0.05以下のアスペクト比(A2/A1)を有し、A1が前記トウの幅であり、A2が前記トウの厚さである、請求項1~10のいずれか一項に記載の乾燥プリプレグ。
- 乾燥プリプレグを製造する方法であって、
(i)セラミック繊維のトウを、無機酸化物、有機バインダー、及び水性溶媒を含むセラミックマトリックススラリーで含浸させることと、
(ii)前記スラリーを乾燥させて、プレセラミックマトリックスの総体積に基づいて、45体積%~60体積%の前記無機酸化物と40体積%~55体積%の前記有機バインダー系とを含む前記プレセラミックマトリックスを形成することであって、前記プレセラミックマトリックスが、前記プレセラミックマトリックスの総重量に基づいて4重量パーセント以下の前記溶媒を含む、形成することと、
を含む、方法。
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US201962797821P | 2019-01-28 | 2019-01-28 | |
US62/797,821 | 2019-01-28 | ||
PCT/IB2020/050615 WO2020157632A1 (en) | 2019-01-28 | 2020-01-27 | Dry prepreg for ceramic matrix composites |
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FR3125036B1 (fr) * | 2021-07-08 | 2024-04-05 | Safran Ceram | Procédé de fabrication d’une pièce en matériau composite à matrice céramique |
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US9102571B2 (en) * | 2013-01-14 | 2015-08-11 | Coi Ceramics, Inc. | Methods of forming ceramic matrix composite structures |
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CN105254320B (zh) * | 2015-11-13 | 2021-02-09 | 中航复合材料有限责任公司 | 连续氧化物纤维增强氧化物陶瓷基复合材料的制备方法 |
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