4,4'-Methylenebis(2,6-difluoroaniline) | 182677-89-0

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 4,4'-Methylenebis(2,6-difluoroaniline)
• 英文别名: 4-[(4-amino-3,5-difluorophenyl)methyl]-2,6-difluoroaniline
• CAS: 182677-89-0
• 化学式: C₁₃H₁₀F₄N₂
• 分子量: 270.22
• InChiKey: YMBHRDOHAIBKKT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 重原子数：
  19
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.08
• 拓扑面积：
  52
• 氢给体数：
  2
• 氢受体数：
  6

文献信息

• Coated films and electronic devices
  申请人：DUPONT ELECTRONICS, INC.

  公开号：US11248143B2

  公开（公告）日：2022-02-15

  In a first aspect, a coated film includes a polyimide film, a curable resin coating composition and an adhesion-promoter. The curable resin coating composition includes a curable oligomer and first nanoparticles. The adhesion-promoter includes a polyamic acid composition and is on a surface of the polyimide film that is in contact with the curable resin coating composition. In a second aspect, an electronic device includes the coated film of first aspect.

  第一方面，涂层薄膜包括聚酰亚胺薄膜、可固化树脂涂层组合物和附着力促进剂。可固化树脂涂层组合物包括可固化低聚物和第一纳米粒子。附着力促进剂包括聚酰胺酸组合物，位于聚酰亚胺薄膜与可固化树脂涂层组合物接触的表面上。第二方面，电子设备包括第一方面的涂层薄膜。
• Low haze polymer films and electronic devices
  申请人：DUPONT ELECTRONICS, INC.

  公开号：US11256001B2

  公开（公告）日：2022-02-22

  In a first aspect, a low haze polymer film includes a polymer and a refractive index-matching nanoparticle aggregate. The polymer includes a polyimide, a polyamide imide or a polyester imide, and the refractive index-matching nanoparticle aggregate includes a first nanoparticle having a refractive index that is less than the refractive index of the polymer and a second nanoparticle having a refractive index that is greater than the refractive index of the polymer. A difference in the refractive indices of the polymer and the refractive index-matching nanoparticle aggregate is less than 0.1, and the low haze polymer film has a thickness in a range of from 1 to 150 μm and a haze of less than 4%. In a second aspect, an electronic device includes the low haze polymer film of the first aspect.

  在第一方面，低雾度聚合物薄膜包括聚合物和折射率匹配纳米粒子聚合体。聚合物包括聚酰亚胺、聚酰胺酰亚胺或聚酯酰亚胺，折射率匹配纳米粒子聚合体包括折射率小于聚合物折射率的第一纳米粒子和折射率大于聚合物折射率的第二纳米粒子。聚合物和折射率匹配纳米粒子集合体的折射率之差小于 0.1，低雾度聚合物薄膜的厚度范围为 1 至 150 μm，雾度小于 4%。第二方面，电子设备包括第一方面的低雾度聚合物薄膜。
• Polyimide films and electronic devices
  申请人：DUPONT ELECTRONICS, INC.

  公开号：US11359061B2

  公开（公告）日：2022-06-14

  In a first aspect, a polyimide film includes a dianhydride, a fluorinated aromatic diamine and an aliphatic diamine. The polyimide film has a b* of less than one for a film thickness of at least 30 microns and a glass transition temperature of less than 300° C. In a second aspect, an electronic device includes the polyimide film of the first aspect.

  第一方面，聚酰亚胺薄膜包括二酐、氟化芳香族二胺和脂肪族二胺。在第二方面，一种电子设备包括第一方面的聚酰亚胺薄膜。
• Single layer polymer films and electronic devices
  申请人：DUPONT ELECTRONICS, INC.

  公开号：US11535710B2

  公开（公告）日：2022-12-27

  In a first aspect, a single layer polymer film includes 60 to 99 wt % of a crosslinked polyimide, having a gel fraction in the range of from 20 to 100% and a refractive index of 1.74 or less, and 1 to 40 wt % of a colorant. A surface of the single layer polymer film has been textured and has a maximum roughness (S pv ) of 6 μm or more, an L* color of 30 or less and a 60° gloss of 15 or less. In a second aspect, a coverlay for a printed circuit board includes the single layer polymer film of the first aspect. In third and fourth aspects, processes are disclosed for forming a single layer polymer film including a crosslinked polyimide film including a dianhydride and a diamine.

  在第一方面，单层聚合物薄膜包括 60 至 99 wt % 的交联聚酰亚胺，其凝胶部分在 20 至 100% 的范围内，折射率为 1.74 或更低，以及 1 至 40 wt % 的着色剂。单层聚合物薄膜的表面经过纹理处理，具有最大粗糙度（S pv ）为 6 μm 或以上，L* 颜色为 30 或以下，60° 光泽度为 15 或以下。在第二方面，用于印刷电路板的覆盖层包括第一方面的单层聚合物薄膜。在第三和第四方面，公开了形成单层聚合物薄膜的工艺，该单层聚合物薄膜包括交联聚酰亚胺薄膜，该交联聚酰亚胺薄膜包括二酐和二胺。
• Optical element, method for the production thereof and optical module
  申请人：Hitachi Chemical Co., Ltd.

  公开号：US20030054184A1

  公开（公告）日：2003-03-20

  The invention provides an optical element comprising a substrate having provided thereon a coating of an organic zirconium compound, a coating of a fluorine-free polyimide resin and a coating of a fluorine-containing polyimide resin, in this order. The element has increased adhesive property with the substrate and reliability.

  本发明提供了一种光学元件，它由基板组成，基板上依次涂有有机锆化合物涂层、无氟聚酰亚胺树脂涂层和含氟聚酰亚胺树脂涂层。该元件与基板的粘合性和可靠性均有所提高。