2,5-Dibutyl-piperazin | 13992-59-1

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二嗪烷类
• 英文名称: 2,5-Dibutyl-piperazin
• 英文别名: 2,5-dibutyl-piperazine；2,5-Dibutylpiperazine
• CAS: 13992-59-1
• 化学式: C₁₂H₂₆N₂
• 分子量: 198.352
• InChiKey: ORCXDCBGXCHCFW-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 重原子数：
  14
• 可旋转键数：
  6
• 环数：
  1.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  24.1
• 氢给体数：
  2
• 氢受体数：
  2

文献信息

• SEMIPERMEABLE MEMBRANE AND MANUFACTURING METHOD THEREFOR
  申请人：Toray Industries, Inc.

  公开号：EP2517783A1

  公开（公告）日：2012-10-31

  Provided is a semipermeable membrane having at least a separating functional layer, wherein azo compounds are retained in the separating functional layer, and the separating functional layer has a yellow index of 10 to 40. Also provided is a method of producing the semipermeable membrane. The present invention provides a semipermeable membrane having not only high water permeability but also high rejection performance even for substances that are nondissociative in the neutral range, such as boric acid, and showing high durability and a manufacturing method therefor.

  本发明提供了一种至少具有分离功能层的半透膜，其中偶氮化合物被保留在分离功能层中，分离功能层的黄色指数为 10 至 40。本发明还提供了一种生产半透膜的方法。本发明提供了一种半透膜，它不仅具有高透水性，而且即使对硼酸等在中性范围内不溶解的物质也具有高排斥性能，并显示出高耐久性及其制造方法。
• COMPOSITE SEMIPERMEABLE MEMBRANE AND METHOD FOR PRODUCING SAME
  申请人：Toray Industries, Inc.

  公开号：EP2517782A1

  公开（公告）日：2012-10-31

  A composite semipermeable membrane comprising a porous support membrane on which a separating functional polyamide layer resulting from the polycondensation reaction of polyfunctional aromatic amines with polyfunctional acid halides is formed, wherein the separating functional polyamide layer has carboxy groups, amino groups, phenolic hydroxyl groups, and azo groups, wherein XA, the ratio of the amino groups (molar equivalent of the amino groups / (molar equivalent of the azo groups + molar equivalent of the phenolic hydroxyl groups + molar equivalent of the amino groups)) on a feed water contact surface of the separating functional polyamide layer (an A surface), is in the range 0.5 or less, and XB, the ratio of the amino groups (molar equivalent of the amino groups / (molar equivalent of the azo groups + molar equivalent of the phenolic hydroxyl groups + molar equivalent of the amino groups)) on a permeate-side surface of the separating functional polyamide layer (a B surface), i.e., the opposite side to the A surface, is in the range of 0.5 to 1. The present invention provides a composite semipermeable membrane that achieves a balance between high solute removal properties and a high permeate flow rate and has high organic-solvent resistance, and a method for producing same.

  一种复合半透膜，包括多孔支撑膜，在支撑膜上形成由多官能团芳香胺与多官能团酸卤化物缩聚反应生成的分离功能聚酰胺层，其中分离功能聚酰胺层具有羧基、氨基、酚羟基和偶氮基团，其中XA，氨基的比例（氨基的摩尔当量/偶氮基团的摩尔当量+酚羟基的摩尔当量+偶氮基团的摩尔当量）、和偶氮基团，其中 XA，在分离功能聚酰胺层的进料水接触表面（A 表面）上的氨基比例（氨基的摩尔当量/（偶氮基团的摩尔当量+酚羟基的摩尔当量+氨基的摩尔当量））在 0.5 或更低，而 XB，即分离功能聚酰胺层的渗透侧表面（B 表面），即与 A 表面相反的一侧的氨基比率（氨基的摩尔当量/（偶氮基的摩尔当量+酚羟基的摩尔当量+氨基的摩尔当量））、本发明提供了一种能在高溶质去除性能和高渗透流速之间取得平衡并具有高有机溶剂耐受性的复合半透膜，以及生产该膜的方法。
• COMPOSITE SEMIPERMEABLE MEMBRANE
  申请人：Toray Industries, Inc.

  公开号：EP2745919A1

  公开（公告）日：2014-06-25

  There are provided a composite semipermeable membrane including a porous support membrane made of a substrate and a porous support layer and a polyamide separation-functional layer disposed on the porous support layer, wherein the zeta potential of the separation-functional layer at pH 6 is -20 mV or lower, and the zeta potential difference between potentials of the separation-functional layer at pH 10 and pH 3 is 25 mV or smaller, and a production method of a composite semipermeable membrane having high water permeability and high salt rejection performance and having high acid/alkali durability.

  提供了一种复合半透膜，包括由基底和多孔支撑层制成的多孔支撑膜，以及设置在多孔支撑层上的聚酰胺分离功能层，其中分离功能层在 pH 6 时的 zeta 电位为 -20 mV 或更低，分离功能层在 pH 10 和 pH 3 时的 zeta 电位差为 25 mV 或更小，还提供了一种具有高透水性、高盐排斥性能和高酸碱耐久性的复合半透膜的生产方法。
• COMPOSITE SEMIPERMEABLE MEMBRANE AND METHOD FOR MANUFACTURING SAME
  申请人：Toray Industries, Inc.

  公开号：EP3053643A1

  公开（公告）日：2016-08-10

  The present invention provides a composite semipermeable membrane achieving high permeate amount and having high capability to inhibit adhesion of foulants to the membrane surface. The present invention relates to a composite semipermeable membrane including: a supporting membrane which includes a substrate and a porous supporting layer; and a polyamide separation functional layer formed on the porous supporting layer, in which an acidic group-containing hydrophilic polymer is introduced onto the surface of the separation functional layer via amide linkage, and relates to a method for producing such a composite semipermeable membrane.

  本发明提供了一种复合半透膜，可实现高渗透量，并具有很强的抑制污物附着在膜表面的能力。本发明涉及一种复合半透膜，包括：支撑膜，其中包括基底和多孔支撑层；以及在多孔支撑层上形成的聚酰胺分离功能层，其中通过酰胺连接将含酸性基团的亲水性聚合物引入分离功能层表面，本发明还涉及生产这种复合半透膜的方法。
• MULTILAYER SEMIPERMEABLE MEMBRANE
  申请人：Toray Industries, Inc.

  公开号：EP3225299A1

  公开（公告）日：2017-10-04

  The present invention provides a semipermeable membrane which has resistance to oxidizing agents even in the presence of heavy metals and which, despite this, can have salt-removing performance equal to that of semipermeable membranes having poor resistance to oxidizing agents. A coated semipermeable membrane of the invention includes a semipermeable layer and a polymer layer formed on the semipermeable layer, and the polymer layer includes a polymerization product formed by both condensation of hydrolyzable groups possessed by the following compound (A) and polymerization of the compound (A) with the following compound (B): (A) a silicon compound having a silicon atom, a reactive group including an ethylenically unsaturated group directly bonded to the silicon atom, and a hydrolyzable group directly bonded to the silicon atom; and (B) a compound other than the compound (A), which has both a hydrophilic group and an ethylenically unsaturated group.

  本发明提供了一种半透膜，该膜即使在重金属存在的情况下也具有抗氧化性，尽管如此，其除盐性能仍可与抗氧化性差的半透膜相媲美。本发明的涂层半透膜包括半透膜层和在半透膜层上形成的聚合物层，聚合物层包括由下列化合物（A）所具有的可水解基团缩合以及化合物（A）与下列化合物（B）聚合而形成的聚合产物：(A) 具有一个硅原子、一个反应基团（包括直接键合到硅原子上的乙烯不饱和基团）和一个直接键合到硅原子上的可水解基团的硅化合物；以及 (B) 除化合物(A)以外的化合物，该化合物同时具有一个亲水基团和一个乙烯不饱和基团。