4,4'-Diamino[1,1'-biphenyl]-2,3-disulfonic acid | 56662-53-4

• 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'-Diamino[1,1'-biphenyl]-2,3-disulfonic acid
• 英文别名: 3-amino-6-(4-aminophenyl)benzene-1,2-disulfonic acid
• CAS: 56662-53-4
• 化学式: C₁₂H₁₂N₂O₆S₂
• 分子量: 344.4
• InChiKey: JCUYNPHEESTECG-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.2
• 重原子数：
  22
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  178
• 氢给体数：
  4
• 氢受体数：
  8

文献信息

• Process for making poly(glycolic acid) for containers and films with reduced gas permeability
  申请人：DAK AMERICAS LLC

  公开号：US11155677B2

  公开（公告）日：2021-10-26

  A process for making a high molecular weight poly(hydroxy acid) polymer having good thermal stability and a weight average molecular weight of >100,000 by GPC. The process includes mixing glycolic acid and/or lactic acid, and a diol or di-acid initiator, and at least one multifunctional initiator to form a liquid monomer mixture in an agitated polycondensation reactor. Polycondensing to form a liquid reaction mixture comprising a pre-polymer having a weight average molecular weight of >10,000 by GPC, and greater than 80% by mole hydroxyl or carboxyl end-group termination, then crystallizing to form a first solid reaction mixture. Then solid state polycondensing the solid reaction mixture to form a solid reaction mixture having a moisture level less than 50 ppm by weight. Then mixing the solid reaction mixture with an appropriate reactive coupling agent in a melting and mixing extruder to couple and form the reaction mixture and form the poly(hydroxy acid) polymer.

  一种制造高分子量聚（羟基酸）聚合物的工艺，该聚合物具有良好的热稳定性，通过 GPC 测定其重量平均分子量大于 100,000。该工艺包括在搅拌缩聚反应器中混合乙醇酸和/或乳酸、二元醇或二元酸引发剂以及至少一种多功能引发剂，形成液态单体混合物。缩聚形成液体反应混合物，该混合物包含预聚物，其 GPC 平均分子量大于 10,000，羟基或羧基端基终止分子量大于 80%（摩尔），然后结晶形成第一种固态反应混合物。然后对固体反应混合物进行固态缩聚，形成水分含量小于 50 ppm（按重量计）的固体反应混合物。然后在熔融混合挤压机中将固体反应混合物与适当的活性偶联剂混合，使反应混合物偶联并形成聚羟基酸聚合物。
• Non-toxic corrosion-protection pigments based on manganese
  申请人：——

  公开号：US20040011252A1

  公开（公告）日：2004-01-22

  Corrosion-inhibiting pigments based on manganese are described that contain a trivalent or tetravalent manganese/valence stabilizer complex. An inorganic or organic material is used to stabilize the trivalent or tetravalent manganese ion to form a compound that is sparingly soluble, exhibits low solubility, or is insoluble in water, depending upon the intended usage. Specific stabilizers are chosen to control the release rate of trivalent or tetravalent manganese during exposure to water and to tailor the compatibility of the powder when used as a pigment in a chosen binder system. Stabilizers may also modify the processing and handling characteristics of the formed powders. Manganese/valence stabilizer combinations are chosen based on the well-founded principles of manganese coordination chemistry. Many manganese-valence stabilizer combinations are presented that can equal the performance of conventional hexavalent chromium or tetravalent lead systems. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

  以锰为基础的缓蚀颜料含有三价或四价锰/价稳定剂复合物。一种无机或有机材料可用于稳定三价或四价锰离子，从而形成一种可少量溶解、溶解度低或不溶于水的化合物，具体取决于预期用途。选择特定的稳定剂是为了控制三价锰或四价锰在遇水时的释放率，并调整粉末在所选粘合剂体系中用作颜料时的相容性。稳定剂还可以改变成型粉末的加工和处理特性。锰/价稳定剂组合的选择是基于锰配位化学的基本原理。文中介绍了许多锰价稳定剂组合，其性能与传统的六价铬或四价铅体系相当。需要强调的是，提供本摘要是为了符合要求提供摘要的规则，以便检索者或其他读者快速确定技术公开的主题。提交本摘要的前提是，本摘要不用于解释或限制权利要求的范围或含义。
• Non-toxic corrosion-protection pigments based on rare earth elements
  申请人：——

  公开号：US20040104377A1

  公开（公告）日：2004-06-03

  A corrosion-inhibiting pigment comprising a rare earth element and a valence stabilizer combinded to form a rare earth/valence stabilizer complex. The rare earth element is selected from cerium, terbium, praseodymium, or a combination thereof, and at least one rare earth element is in the tetravalent oxidation state. An inorganic or organic material is used to stabilize the tetravalent rare earth ion to form a compound that is sparingly soluble in water. Specific stabilizers are chosen to control the release rate of tetravalent cerium, terbium, or praseodymium during exposure to water and to tailor the compatibility of the powder when used as a pigment in a chosen binder system. Stabilizers may also modify the processing and handling characteristics of the formed powders. Many rare earth-valence stabilizer combinations are presented that can equal the performance of conventional hexavalent chromium systems.

  一种缓蚀颜料，由稀土元素和价态稳定剂结合形成稀土/价态稳定剂复合物。稀土元素选自铈、铽、镨或它们的组合，至少有一种稀土元素处于四价氧化态。使用无机或有机材料来稳定四价稀土离子，以形成稀溶于水的化合物。选择特定的稳定剂是为了控制四价铈、铽或镨在遇水时的释放率，并调整粉末在所选粘合剂体系中用作颜料时的相容性。稳定剂还可以改变成型粉末的加工和处理特性。本文介绍了许多稀土-价稳定剂组合，其性能可与传统的六价铬体系媲美。
• Verfahren zur Herstellung füllstoffhaltiger, anionisch modifizierter Polyurethan(harnstoff)-Massen, entsprechende Polyurethan(harnstoff)-Massen und ihre Verwendung
  申请人：BAYER AG

  公开号：EP0210478B1

  公开（公告）日：1991-10-02
• AZO PIGMENT COMPOSITION HAVING IMPROVED PROCESS HEAT STABILITY AND DRIED INK TRANSPARENCY
  申请人：HOECHST CELANESE CORPORATION

  公开号：EP0412121A1

  公开（公告）日：1991-02-13