Spiro[fluorene-9.9-xanthene]-2',3',6',7'-tetracarboxylic dianhydride | 167887-55-0

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并吡喃
• 英文名称: Spiro[fluorene-9.9-xanthene]-2',3',6',7'-tetracarboxylic dianhydride
• 英文别名: Spiro[2,7,17-trioxapentacyclo[11.7.0.03,11.05,9.015,19]icosa-1(13),3(11),4,9,14,19-hexaene-12,9'-fluorene]-6,8,16,18-tetrone
• CAS: 167887-55-0
• 化学式: C₂₉H₁₂O₇
• 分子量: 472.41
• InChiKey: LZBABNYWAZZBGV-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5
• 重原子数：
  36
• 可旋转键数：
  0
• 环数：
  8.0
• sp3杂化的碳原子比例：
  0.03
• 拓扑面积：
  96
• 氢给体数：
  0
• 氢受体数：
  7

文献信息

• Tetracarboxylic Acid Dianhydride and Method for Preparing the Same
  申请人：SK Innovation Co., Ltd.

  公开号：US20220009943A1

  公开（公告）日：2022-01-13

  Provided are a novel tetracarboxylic acid dianhydride and a method for preparing the same. According to an exemplary embodiment of the present invention, a novel tetracarboxylic acid dianhydride appropriate for providing a polyimide film having high transparency and thermal resistance and having excellent thermal dimensional stability due to a substrate of which the stress is not increased even with a heat treatment at a high temperature and a method for preparing the same may be provided.

  提供了一种新型四羧酸二酐以及其制备方法。根据本发明的一个示例实施例，可以提供一种适用于提供具有高透明度和耐热性的聚酰亚胺薄膜，并且由于基板的应力即使在高温热处理时也不增加而具有优异的热尺寸稳定性的新型四羧酸二酐以及其制备方法。
• Polyimide Precursor, Polyimide Precursor Composition, Polyimide Film, Method for Preparing the Same, and Use Thereof
  申请人：SK Innovation Co., Ltd.

  公开号：US20220010071A1

  公开（公告）日：2022-01-13

  Provided are a polyimide precursor, a polyimide precursor solution, a polyimide film, a method for preparing the same, and a use thereof. According to an exemplary embodiment of the present invention, a polyimide film having excellent thermal resistance and satisfying transparency and a low coefficient of linear thermal expansion may be provided, and thus, may be usefully applied in a flexible display field requiring high dimensional stability and the like.

  提供了一种聚酰亚胺前体、聚酰亚胺前体溶液、聚酰亚胺薄膜、以及其制备方法和用途。根据本发明的一个示例实施例，可以提供具有优异热阻性、透明性和低线性热膨胀系数的聚酰亚胺薄膜，因此，可以在需要高尺寸稳定性等特性的柔性显示领域中得到有益的应用。
• Tetracarboxylic acid dianhydride and method for preparing the same
  申请人：SK Innovation Co., Ltd.

  公开号：US11530228B2

  公开（公告）日：2022-12-20

  Provided are a novel tetracarboxylic acid dianhydride and a method for preparing the same. According to an exemplary embodiment of the present invention, a novel tetracarboxylic acid dianhydride appropriate for providing a polyimide film having high transparency and thermal resistance and having excellent thermal dimensional stability due to a substrate of which the stress is not increased even with a heat treatment at a high temperature and a method for preparing the same may be provided.

  本发明提供了一种新型四羧酸二酐及其制备方法。根据本发明的一个示例性实施方案，可以提供一种新型四羧酸二酐，它适合于提供一种具有高透明度和耐热性的聚酰亚胺薄膜，并且由于其基材即使在高温下进行热处理也不会增加应力，因而具有优异的热尺寸稳定性，还可以提供制备这种薄膜的方法。
• Polymers For Use In Electronic Devices
  申请人：E.I. DU PONT DE NEMOURS AND COMPANY

  公开号：US20210017335A1

  公开（公告）日：2021-01-21

  Disclosed is a polyimide having a repeat unit structure of Formula III In Formula III: R a represents one or more different tetracarboxylic acid component residues; and R b represents one or more different aromatic diamine residues or aromatic diisocyanate residues. 5-100 mol % of R a has Formula II In Formula II: R is H, halogen, cyano, hydroxyl, alkyl, heteroalkyl, alkoxy, heteroalkoxy, fluoroalkyl, silyl, hydrocarbon aryl, substituted hydrocarbon aryl, heteroaryl, substituted heteroaryl, ally, or vinyl; R 2 is halogen, cyano, hydroxyl, alkyl, heteroalkyl, alkoxy, heteroalkoxy, fluoroalkyl, silyl, hydrocarbon aryl, substituted hydrocarbon aryl, heteroaryl, substituted heteroaryl, ally, or vinyl; R 3 and R 4 are the same or different and are alkyl, fluoroalkyl, or silyl; x and y are the same or different and are an integer from 0-2; and * indicates a point of attachment.