邻苯二甲基二异氰酸酯 | 25854-16-4

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: 邻苯二甲基二异氰酸酯
• 中文别名: 二异氰酸二甲苯酯；1,2-双(异氰酰基甲基)苯
• 英文名称: o-xylene-α,α'-diyl di-isocyanate
• 英文别名: xylylene diisocyanate；1,2-bis(isocyanatomethyl)benzene；o-xylylene diisocyanate；Bis(isocyanatomethyl)benzene
• CAS: 25854-16-4
• 化学式: C₁₀H₈N₂O₂
• 分子量: 188.186
• InChiKey: FKTHNVSLHLHISI-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.4
• 重原子数：
  14
• 可旋转键数：
  4
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.2
• 拓扑面积：
  58.9
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  邻苯二甲基二异氰酸酯 在 丙酮 作用下， 生成 2,3,4,5-Tetrahydro-1H-<2,4>-benzodiazepin-3-on
  参考文献：
  名称：

  Boyer, Joseph H.; Manimaran, Thanikavelu; Wolford, Lionel T., Journal of the Chemical Society. Perkin transactions I, 1988, p. 2137 - 2140

  摘要：

  DOI：
• 作为产物：
  描述：

  1,2-二(溴甲基)苯 以90%的产率得到
  参考文献：
  名称：

  BOYER, JOSEPH H.;MANIMARAN, THANIKAVELU;WOLFORD, LIONEL T., J. CHEM. SOC. PERKIN TRANS. PT 1,(1988) N 8, C. 2137-2140

  摘要：

  DOI：

文献信息

• [EN] PROCESS FOR THE PREPARATION OF ISOCYANATES<br/>[FR] PROCÉDÉ DE PRÉPARATION D'ISOCYANATES
  申请人：COVESTRO DEUTSCHLAND AG

  公开号：WO2019145380A1

  公开（公告）日：2019-08-01

  The invention relates to a process for the preparation of aliphatic, cycloaliphatic or araliphatic isocyanates by reacting at least one primary organic amine with a stoichiometric excess of phosgene in the gas phase, comprising the steps a) reaction of the primary organic amine with an excess of phosgene in the gas phase and quenching the process product with a liquid comprising an inert aromatic solvent to obtain a liquid stream containing the isocyanate and a gas stream containing HCl and phosgene, b) separation of the gas stream containing HCl and phosgene obtained in step a) into a gas stream containing HCl and a liquid stream containing phosgene, c) partial vaporization of the liquid stream containing phosgene obtained in step b) to produce a gas stream containing phosgene, d) the gas stream containing phosgene obtained in step c) is at least partially recycled into the reaction in step a), and wherein the gas stream containing phosgene obtained in step c) contains 0.5 wt% or less of the sum of benzene, chlorobenzene and dichlorobenzene. The invention additionally relates to an isocyanate composition.

  本发明涉及一种通过气相中至少一种一级有机胺与计量过量的光气反应来制备脂肪族、环脂肪族或芳脂肪族异氰酸酯的过程，包括以下步骤：a) 一级有机胺与过量的光气在气相中反应，并且用含有惰性芳香溶剂的液体淬灭过程产物，以获得含有异氰酸酯的液体流和含有氯化氢和光气的气体流；b) 将步骤a)中获得的含有氯化氢和光气的气体流分离成含有氯化氢的气体流和含有光气的液体流；c) 部分汽化步骤b)中获得的含有光气的液体流，以产生含有光气的气体流；d) 将步骤c)中获得的光气气体流至少部分地循环回到步骤a)中的反应中；并且其中，步骤c)中获得的光气气体流含有0.5重量%或以下的苯、氯苯和二氯苯的总和。本发明还涉及一种异氰酸酯组合物。
• PROCESS FOR PRODUCING PENTAERYTHRITOL MERCAPTOCARBOXYLIC ACID ESTER, POLYMERIZABLE COMPOSITION, RESIN, OPTICAL MATERIAL, AND LENS
  申请人：MITSUI CHEMICALS, INC.

  公开号：US20180186733A1

  公开（公告）日：2018-07-05

  A process for producing a pentaerythritol mercaptocarboxylic acid ester of the present invention includes: a step of reacting pentaerythritol with a mercaptocarboxylic acid, in which an absorbance of a 5 wt % aqueous solution of the pentaerythritol at a wavelength of 270 nm, which is measured using a quartz cell having an optical path length of 50 mm, is 0.07 or less.

  本发明的一种生产对羟基羧基巯基脂肪酸酯的工艺包括：将对羟基羧基巯基脂肪酸与对羟基羧基醇反应的步骤，其中在使用光路长度为50毫米的石英池测量的270纳米波长处，对5重量%的对羟基羧基醇水溶液的吸光度为0.07或更低。
• POLYTHIOL COMPOSITION, POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIALS, AND USE OF POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIALS
  申请人：Mitsui Chemicals, Inc.

  公开号：EP2824126A1

  公开（公告）日：2015-01-14

  A polythiol composition according to the present invention includes a polythiol compound (A) having three or more mercapto groups and a nitrogen-containing compound (B) in which one of a mercapto group of the polythiol compound (A) is replaced with a group represented by the following formula (a) and other one of a mercapto group of the polythiol compound (A) is replaced with a hydroxyl group, in which the peak area of the nitrogen-containing compound (B) is equal to or less than 3.0 with respect to the peak area of 100 of the polythiol compound (A) in a high performance liquid chromatography measurement.

  根据本发明的一种聚硫醇组合物包括具有三个或更多巯基的聚硫醇化合物（A）和一种含氮化合物（B），其中聚硫醇化合物（A）的一个巯基被替换为以下式（a）所表示的基团，另一个巯基被替换为一个羟基，其中在高效液相色谱测量中，含氮化合物（B）的峰面积与聚硫醇化合物（A）的100的峰面积相比等于或小于3.0。
• Preparation of polyisocyanates containing uretdione groups using phosphine catalysts
  申请人：Richter Frank

  公开号：US20080262262A1

  公开（公告）日：2008-10-23

  The invention provides a process for isocyanate dimerization (uretdione formation) and a process for preparing polyisocyanates having a high content of uretdione groups, using specific phosphines as catalysts. The phosphines have one or two tertiary alkyl radicals bound directly to phosphorus.

  该发明提供了一种异氰酸酯二聚化（尿素二酮形成）的过程以及一种利用特定膦作为催化剂制备含有高含量尿素二酮基团的多异氰酸酯的过程。这些膦具有一个或两个直接结合到磷的三级烷基基团。
• MERCAPTOALKYLGLYCOLURILS AND USE OF SAME
  申请人：SHIKOKU CHEMICALS CORPORATION

  公开号：US20160289237A1

  公开（公告）日：2016-10-06

  The invention provides a mercaptoalkylglycoluril represented by the general formula (I): wherein R 1 and R 2 each independently represent a hydrogen atom, a lower alkyl group, or a phenyl group; R 3 , R 4 , and R 5 each independently represent a hydrogen atom or a mercaptoalkyl group selected from a mercaptomethyl group, a 2-mercaptoethyl group, and a 3-mercaptopropyl group; and n is 0, 1, or 2. The invention further provides an epoxy resin composition comprising an epoxy resin and the mercaptoalkylglycoluril, and a method for producing a laminate or a multilayer printed circuit board using the same.

  本发明提供一种由通式（I）表示的巯基烷基脲，其中R1和R2各自独立地表示氢原子、低碳基或苯基；R3、R4和R5各自独立地表示氢原子或从巯基甲基、2-巯基乙基和3-巯基丙基中选择的巯基烷基；n为0、1或2。本发明还提供一种包括环氧树脂和巯基烷基脲的环氧树脂组合物，以及使用该组合物制备层压板或多层印刷电路板的方法。