CN115843291A - 高纯度双-(2-羟乙基)对苯二甲酸酯的制造方法、再生聚对苯二甲酸乙二酯、脱色溶剂及双-(2-羟乙基)对苯二甲酸酯的精制方法 - Google Patents
高纯度双-(2-羟乙基)对苯二甲酸酯的制造方法、再生聚对苯二甲酸乙二酯、脱色溶剂及双-(2-羟乙基)对苯二甲酸酯的精制方法 Download PDFInfo
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- CN115843291A CN115843291A CN202080102342.8A CN202080102342A CN115843291A CN 115843291 A CN115843291 A CN 115843291A CN 202080102342 A CN202080102342 A CN 202080102342A CN 115843291 A CN115843291 A CN 115843291A
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- terephthalate
- hydroxyethyl
- bis
- purity
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Classifications
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- C07C67/00—Preparation of carboxylic acid esters
- C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
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- C—CHEMISTRY; METALLURGY
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
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- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
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| FR3130804B1 (fr) * | 2021-12-17 | 2025-09-26 | Ifp Energies Now | Bis(2-hydroxyethyle) terephtalate ayant une teneur en azote faible |
| JP7708983B2 (ja) * | 2022-11-29 | 2025-07-15 | 帝人フロンティア株式会社 | ポリエステルの回収方法およびリサイクルポリエステルの製造方法 |
| WO2024181689A1 (ko) | 2023-02-28 | 2024-09-06 | 주식회사 엘지에너지솔루션 | 전기화학소자용 분리막 및 이를 포함하는 전기화학소자 |
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| JP6960709B1 (ja) | 2021-11-05 |
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| JPWO2022003990A1 (enExample) | 2022-01-06 |
| KR20230026495A (ko) | 2023-02-24 |
| JP7101390B2 (ja) | 2022-07-15 |
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