1H-环戊二烯并[c]呋喃-4,5-二羧酸,六氢-1,3-二羰基- | 15102-22-4

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 中文名称: 1H-环戊二烯并[c]呋喃-4,5-二羧酸,六氢-1,3-二羰基-
• 英文名称: Cyclopentantetracarbonsaeuredianhydrid
• 英文别名: 1,3-Dioxohexahydro-1H-cyclopenta[c]furan-4,5-dicarboxylic acid；1,3-dioxo-4,5,6,6a-tetrahydro-3aH-cyclopenta[c]furan-4,5-dicarboxylic acid
• CAS: 15102-22-4；32427-46-6
• 化学式: C₉H₈O₇
• 分子量: 228.158
• InChiKey: SPLWPKBTIZNGOU-UHFFFAOYSA-N

物化性质

• 沸点：
  604.0±55.0 °C(Predicted)
• 密度：
  1.735±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  -1.2
• 重原子数：
  16
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.56
• 拓扑面积：
  118
• 氢给体数：
  2
• 氢受体数：
  7

文献信息

• Water soluble binder compositions containing beta-hydroxy urethanes and polyfunctional carboxylic acids
  申请人：AMERICAN CYANAMID COMPANY

  公开号：EP0412249A1

  公开（公告）日：1991-02-13

  The binder composition of this invention contains a beta-hydroxy urethane functional material and a polycarboxylic acid. Coated glass fibers are prepared by contacting said fibers with the binder composition of the invention and thereafter curing the composition. This invention is also an improved method of treating glass fibers by contacting them with the improved binder composition of the invention.

  本发明的粘合剂组合物含有一种β-羟基聚氨酯功能材料和一种聚羧酸。将玻璃纤维与本发明的粘结剂组合物接触，然后将组合物固化，即可制备出涂层玻璃纤维。本发明也是一种通过将玻璃纤维与本发明的改良粘结剂组合物接触来处理玻璃纤维的改良方法。
• POLYAMIDE-IMIDE RESIN, COLORLESS TRANSPARENT FLEXIBLE METAL LAMINATE MADE OF THE SAME, AND WIRING BOARD
  申请人：Toyo Boseki Kabushiki Kaisha

  公开号：EP2103641A1

  公开（公告）日：2009-09-23

  [Object] To provide a flexible metal-clad laminate having excellent heat resistance, flexibility and low thermal expansion together with sufficient colorless transparency and a flexible printed circuit board using the same. [Constitution] A colorless and transparent flexible metal-clad laminate where metal foil is directly laminated or is laminated via an adhesive layer on at least one side of the polyamideimide resin layer in which cyclohexane tricarboxylic acid anhydride is a main monomer, characterized in that said polyamideimide resin has an inherent viscosity of 0.8 dl/g or more and 2.5 dl/g or less.

  [目的]提供一种具有优异的耐热性、柔韧性和低热膨胀性，同时具有足够的无色透明性的柔性金属覆层板，以及使用这种覆层板的柔性印刷电路板。 [构成] 一种无色透明的柔性金属包覆层压板，金属箔直接层压或通过粘合剂层压在以环己烷三羧酸酐为主单体的聚酰胺酰亚胺树脂层的至少一面，其特征在于所述聚酰胺酰亚胺树脂的固有粘度为 0.8 dl/g 或以上，2.5 dl/g 或以下。
• POLYIMIDE SOLUTION, HEAT-RESISTANT NON-WOVEN FABRIC, AND METHOD FOR MANUFACTURING SAME
  申请人：Toray Industries, Inc.

  公开号：EP3216819A1

  公开（公告）日：2017-09-13

  The present invention provides a polyimide solution which does not require a ring-closing process at a high temperature for obtaining a heat-resistant polyimide non-woven fabric and which is hardly affected by atmosphere humidity in fiber production by electrospinning, so that a fiber with a stable diameter can be obtained in any circumstance. A polyimide solution including: (a) a resin containing 50 mol% or more, based on the total amount of the resin, of a structural unit represented by the general formula (1) ; and (b) a solvent.

  本发明提供了一种聚酰亚胺溶液，该溶液在获得耐热聚酰亚胺无纺布时不需要在高 温下进行闭环处理，并且在通过电纺丝生产纤维时几乎不受大气湿度的影响，因此在任 何情况下都可以获得直径稳定的纤维。 一种聚酰亚胺溶液，包括：(a)一种树脂，其通式(1)所代表的结构单元含量占树脂总量的 50 摩尔%或以上；以及(b)一种溶剂。
• Polyimide solution, heat-resistant non-woven fabric, and method for manufacturing same
  申请人：TORAY INDUSTRIES, INC.

  公开号：US10669377B2

  公开（公告）日：2020-06-02

  The present invention provides a polyimide solution which does not require a ring-closing process at a high temperature for obtaining a heat-resistant polyimide non-woven fabric and which is hardly affected by atmosphere humidity in fiber production by electrospinning, so that a fiber with a stable diameter can be obtained in any circumstance. A polyimide solution including: (a) a resin containing 50 mol % or more, based on the total amount of the resin, of a structural unit represented by the general formula (1); and (b) a solvent.

  本发明提供了一种聚酰亚胺溶液，该溶液在获得耐热聚酰亚胺无纺布时不需要在高 温下进行闭环处理，并且在通过电纺丝生产纤维时几乎不受大气湿度的影响，因此在任 何情况下都可以获得直径稳定的纤维。 一种聚酰亚胺溶液，包括：(a) 一种树脂，其中通式(1)所代表的结构单元的含量占树脂总量的 50 摩尔%或以上；(b) 一种溶剂。
• Liquid display device
  申请人：——

  公开号：US20010048498A1

  公开（公告）日：2001-12-06

  In a liquid crystal display device of IPS mode, occurrence of a sticking-image and after-image phenomenon is prevented. A liquid crystal display device comprising a pair of substrates, at least one of the substrates being transparent; a liquid crystal layer interposed between the pair of substrates; and pixel electrodes and common electrodes and active elements arranged on at least one substrate between the pair of substrates, wherein a pair of alignment layers are made of an organic polymer of polyamic acid group or polymamide ester group having a relative imidization ratio above 60%; or at least one layer of an insulation film is interposed between the alignment layer in a side of the substrate having the group of electrodes formed thereon, and the pixel electrode and the common electrode disposed under the alignment layer to prevent occurrence of the sticking image and the after image by flattening the electrode portions to moderate electric field concentration.

  在 IPS 模式的液晶显示装置中，可防止出现粘连图像和残像现象。 一种液晶显示装置，包括一对基板，其中至少一个基板是透明的；一对基板之间有液晶层；以及像素电极、共用电极和有源元件布置在一对基板之间的至少一个基板上，其中一对对准层是由聚酰胺酯基或聚酰胺酸基的有机聚合物制成的，其相对亚胺化率高于 60%；或在形成电极组的基板一侧的对准层与设置在对准层下的像素电极和共用电极之间插入至少一层绝缘膜，以通过使电极部分扁平以缓和电场浓度来防止出现粘连图像和残像。