3,3-bis-carboxymethyl-glutaric acid-dianhydride

• 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
• 英文名称: 3,3-bis-carboxymethyl-glutaric acid-dianhydride
• 英文别名: 3,3-Bis-carboxymethyl-glutarsaeure-dianhydrid；3,9-Dioxaspiro[5.5]undecane-2,4,8,10-tetrone
• 化学式: C₉H₈O₆
• 分子量: 212.159
• InChiKey: APCOYUCRKJLDTN-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -1
• 重原子数：
  15
• 可旋转键数：
  0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.56
• 拓扑面积：
  86.7
• 氢给体数：
  0
• 氢受体数：
  6

反应信息

• 作为产物：
  描述：

  alkaline earth salt of/the/ methylsulfuric acid 在 乙酰氯 作用下， 生成 3,3-bis-carboxymethyl-glutaric acid-dianhydride
  参考文献：
  名称：

  Ingold; Nickolls, Journal of the Chemical Society, 1922, vol. 121, p. 1644

  摘要：

  DOI：

文献信息

• Gas separation membrane, gas separation module, gas separation device, and gas separation method
  申请人：FUJIFILM Corporation

  公开号：US10040035B2

  公开（公告）日：2018-08-07

  Provided are a gas separation membrane which includes a gas separation layer formed to include a polyimide compound and in which the polyimide compound includes a repeating unit represented by the following Formula (I), a gas separation module, a gas separation device, and a gas separation method using the same. In Formula (I), R represents a group having a specific structure. R3 represents a specific substituent group. A1 to A3 represent a hydrogen atom or a specific substituent group, but all of A1 to A3 do not represent a hydrogen atom at the same time. In this case, at least one of R3, A1, A2, and A3 represents a specific polar group.

  本发明提供了一种气体分离膜，该膜包括由聚酰亚胺化合物形成的气体分离层，其中聚酰亚胺化合物包括由下式（I）表示的重复单元；还提供了一种气体分离组件、一种气体分离装置和一种使用该膜的气体分离方法。 式（I）中，R 代表具有特定结构的基团。R3 代表特定的取代基。A1 至 A3 代表氢原子或特定取代基，但所有 A1 至 A3 不同时代表氢原子。 在这种情况下，R3、A1、A2 和 A3 中至少有一个代表特定的极性基团。
• Liquid crystal display device
  申请人：JNC CORPORATION

  公开号：US10041000B2

  公开（公告）日：2018-08-07

  The subject is to show liquid crystal display device that has characteristics such as a short response time, a large voltage holding ratio, a low threshold voltage, a large contrast ratio, a long service life and a small flicker rate. The disclosure relates to a liquid crystal display device including an electrode group formed on one or both of a pair of substrates that are opposed to each other, and a plurality of active devices connected to the electrode group, and a liquid crystal alignment film formed on the opposing surfaces of the pair of substrates, and a liquid crystal composition sandwiched in between the pair of substrates.

  本发明的主题是显示具有响应时间短、电压保持比大、阈值电压低、对比度大、使用寿命长和闪烁率小等特性的液晶显示装置。本公开涉及一种液晶显示装置，包括形成在一对相对的基板中的一个或两个上的电极组，以及连接到电极组的多个有源器件，和形成在这对基板的相对表面上的液晶配向膜，以及夹在这对基板之间的液晶成分。
• Gas separation composite membrane, gas separation module, gas separation device, gas separation method, and method of producing gas separation composite membrane
  申请人：FUJIFILM Corporation

  公开号：US10226743B2

  公开（公告）日：2019-03-12

  Provided are a gas separation composite membrane including a gas separation layer which is formed to include a polyimide compound on the upper side of a gas permeating support, in which the solubility of the polyimide compound in dimethylacetamide at 20° C. is 20 mg/100 g or less, and the thickness of the gas separation layer is 0.1 μm or greater and less than 5.0 μm, a method of producing the same, a gas separation module using the gas separation composite membrane, a gas separation device, and a gas separation method.

  本发明提供了一种气体分离复合膜，包括气体分离层，该气体分离层是在气体渗透支架的上侧形成的，其中包括聚酰亚胺化合物，聚酰亚胺化合物在 20° C 时在二甲基乙酰胺中的溶解度为 20 mg/100 g 或以下，气体分离层的厚度为 0.1 μm 或以上且小于 5.0 μm；本发明还提供了一种生产方法、一种使用该气体分离复合膜的气体分离组件、一种气体分离装置和一种气体分离方法。
• Photoalignment composition
  申请人：ROLIC AG

  公开号：US10558089B2

  公开（公告）日：2020-02-11

  The present invention relates to a photoalignment composition comprising a) 0.001 to 20%, by weight; preferably, 1 to 10% by weight, more preferably 1 to 9% by weight of at least one photoreactive compound (I) that comprises a photoalignment group and b) 80 to 99.999% by weight, preferably, 90 to 99% by weight, more preferably 91 to 99% by weight of at least one compound (II) that does not comprise a photoalignment group, and c) optionally at least one reactive or non reactive additives, and d) optionally at least one solvent. Further, the present invention relates to the use of this photoalignment composition for the alignment of liquid crystals or liquid crystal polymers, in electro-optical and optical elements, systems and devices.

  本发明涉及一种光配位组合物，该组合物包含 a) 至少一种包含光配位基团的光活性化合物(I)，其重量百分比为 0.001 至 20%；优选为 1 至 10%，更优选为 1 至 9%；以及 b) 至少一种不包含光配位基团的化合物(II)，其重量百分比为 80 至 99.999%(重量)，更优选90至99%(重量)，更优选91至99%(重量)的至少一种不包含光配位基团的化合物(II)，以及c)可选的至少一种活性或非活性添加剂，以及d)可选的至少一种溶剂。此外，本发明还涉及在电子光学和光学元件、系统和设备中将这种光配位组合物用于液晶或液晶聚合物的配位。
• PHOTOALIGNMENT COMPOSITION
  申请人：Rolic Ltd.

  公开号：EP2222815A1

  公开（公告）日：2010-09-01