4.4'-Dihydrazino-diphenyl | 2050-28-4

• 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'-Dihydrazino-diphenyl
• 英文别名: 4,4'-Dihydrazino-biphenyl；(Diphenylen-(4.4'))-di-hydrazin；[4-(4-hydrazinylphenyl)phenyl]hydrazine
• CAS: 2050-28-4
• 化学式: C₁₂H₁₄N₄
• 分子量: 214.27
• InChiKey: SXEHKFHPFVVDIR-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.8
• 重原子数：
  16
• 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：
  76.1
• 氢给体数：
  4
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  4.4'-Dihydrazino-diphenyl 、 alkaline earth salt of/the/ methylsulfuric acid 生成 4,4'-dibenzyl-5,5'-dimethyl-1,2,1',2'-tetrahydro-2,2'-biphenyl-4,4'-diyl-bis-pyrazol-3-one
  参考文献：
  名称：

  v. Konek; Mitterhauser, Chemische Berichte, 1918, vol. 51, p. 870

  摘要：

  DOI：
• 作为产物：
  描述：

  二(重氮基)对二氨基联苯 生成 4.4'-Dihydrazino-diphenyl
  参考文献：
  名称：

  Korschak; Poshil'zowa, Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1950, p. 412,414

  摘要：

  DOI：

文献信息

• Amine polymers and imaging members containing amine polymers
  申请人：XEROX CORPORATION

  公开号：EP0052961A1

  公开（公告）日：1982-06-02

  A polymer of the formula: wherein 0 = phenyl or phenylene b = 0, 1, 2 or 3 n = 3 or greater, and an imaging member (30) comprising a charge generation layer (12) comprising a layer (13) of photoconductive material and a contiguous charge transport layer (15) comprising a polymer resulting from the condensation of an aromatic diamine compound and an aromatic dihalo compound.

  式中的聚合物： 其中 0 = 苯基或亚苯基 b = 0、1、2 或 3 n = 3 或更大、 和成像元件（30），成像元件（30）包括电荷发生层（12），电荷发生层（12）包括光电导材料层（13）和相邻的电荷传输层（15），相邻的电荷传输层（15）包括由芳香族二胺化合物和芳香族二卤化合物缩合而成的聚合物。
• Antistatic polyurethane-urea dispersions
  申请人：THE DOW CHEMICAL COMPANY

  公开号：EP0369271A2

  公开（公告）日：1990-05-23

  Disclosed is a dispersion of a polyurethane-urea polymer in a continuous phase. This dispersion contains 0.1 to 5 parts by weight of an ionizable, non-volatile salt per 100 parts by weight of polyurethane-urea polymer. The dispersion of this invention is useful in preparing static dissipative coatings, films, membranes and the like.

  本发明公开了一种聚氨酯脲聚合物在连续相中的分散体。这种分散液每 100 份聚氨酯-尿素聚合物含有 0.1 至 5 份（按重量计）可电离的非挥发性盐。本发明的分散体可用于制备静电消散涂层、薄膜、膜等。
• Modulus modification of water borne polyurethane-ureas
  申请人：THE DOW CHEMICAL COMPANY

  公开号：EP0426883A1

  公开（公告）日：1991-05-15

  Disclosed are novel stable aqueous dispersions of ionic polyurethane-polyureas prepared from (A) aqueous dispersions of isocyanate. terminated ionic prepolymers and (B) hydrocarbon polyamine extenders. The essential feature of the present invention resides in employing a mixture of a diol and triol in the prepolymer forming step. Also disclosed are the films and coated substrates obtained through the use of said dispersions as coatings. The films are useful in the manufacture of waterproof clothing, tarpaulins, chip-resistant coatings in automative applications and the like.

  本发明公开了由(A)异氰酸酯端离子预聚物的水性分散体和(B)烃聚胺扩展剂制备的新型稳定的离子聚氨酯-聚脲水性分散体。本发明的主要特点是在预聚物形成步骤中使用二元醇和三元醇的混合物。本发明还公开了通过使用上述分散体作为涂层而获得的薄膜和涂层基材。这些薄膜可用于制造防水服、防水油布、汽车应用中的防碎屑涂层等。
• Semi-continuous process for the preparation of polyurethaneurea aqueous dispersions
  申请人：THE DOW CHEMICAL COMPANY

  公开号：EP0407968A2

  公开（公告）日：1991-01-16

  A semi-continuous process for the preparation of polyurethane ionomer or polyurethane-urea ionomer aqueous dispersions which comprises: 1) forming an isocyanate-terminated ionic prepolymer in a reaction zone A by contacting (i) an excess of an aliphatic or cycloaliphatic diisocyanate, or mixture of an aliphatic or cycloaliphatic diisocyanate with an aromatic diisocyanate; (ii) an organic polyol, and (iii) a difunctional isocyanate-reactive component containing an ionic group or potential ionic group, with the proviso that where an aromatic diisocyanate is used, the equivalents of aromatic diisocyanate used are less that the equivalents of the organic polyol and difunctional isocyanate-reactive component; 2) transferring the prepolymer to a reaction zone B; 3) contacting the prepolymer in reaction zone A or reaction zone B with a neutralizing agent under conditions such that the ionic groups are neutralized; 4) adding water to reaction zone B until a prepolymer in water emulsion with a particle size of from about 300Å to about 10,000Å (30 mm to 1,000 mm) is formed; 5) adding to reaction zone Ba hydrocarbon polyamine extender, a solution of a hydrocarbon extender, or a catalyst which facilitates the chain extension of the prepolymer by water under conditions such that a polyurethane or polyurethane-urea ionomer is formed; and 6) removing the polyurethane or polyurethane-­urea ionomer polyurethane-urea ionomer from reaction zone B.

  一种制备聚氨酯离聚物或聚氨酯-尿素离聚物水分散体的半连续工艺，包括 1) 在反应区 A 中，通过接触(i)过量的脂肪族或环脂族二异氰酸酯，或脂肪族或环脂族二异氰酸酯与芳香族二异氰酸酯的混合物，形成异氰酸酯封端离子预聚物；(iii) 含有离子基团或潜在离子基团的双官能团异氰酸酯反应组分，但在使用芳香族二异氰酸酯的情况下，所使用的芳香族二异氰酸酯的当量小于有机多元醇和双官能团异氰酸酯反应组分的当量； 2) 将预聚物转移至反应区 B； 3) 将反应区 A 或反应区 B 中的预聚物与中和剂接触，使离子基团中和； 4) 向反应区 B 中加水，直至形成粒径为约 300 埃至约 10,000 埃（30 毫米至 1,000 毫米）的预聚物水乳液； 5) 向反应区 Ba 中加入烃类多胺扩展剂、烃类扩展剂溶液或催化剂，在形成聚氨酯 或聚氨酯-尿素离聚物的条件下，促进水对预聚物的链延伸；以及 6) 从反应区 B 中移除聚氨酯或聚氨酯-尿素离聚物。
• Purification of liquid crystals and liquid crystal composition
  申请人：HITACHI CHEMICAL COMPANY, LTD.

  公开号：EP0603731A1

  公开（公告）日：1994-06-29

  Liquid crystals purified by treating with porous particles of a compound having one or more imide groups, or a liquid crystal composition comprising one or more liquid crystals and porous particles of a compound having one or more imide groups can provide a liquid crystal cell having a high voltage retention rate and a liquid crystal display device having high display properties.

  用具有一个或多个酰亚胺基团的化合物的多孔颗粒处理纯化的液晶，或由一个或多个液晶和具有一个或多个酰亚胺基团的化合物的多孔颗粒组成的液晶组合物，可以提供具有高电压保持率的液晶电池和具有高显示性能的液晶显示设备。