5-(2-Methylphenyl)-2-methylphenol | 1261985-38-9

• 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: 5-(2-Methylphenyl)-2-methylphenol
• 英文别名: 2-methyl-5-(2-methylphenyl)phenol
• CAS: 1261985-38-9
• 化学式: C₁₄H₁₄O
• mdl: MFCD18313078
• 分子量: 198.26
• InChiKey: LMPQNWWKJGWQHT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4
• 重原子数：
  15
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.142
• 拓扑面积：
  20.2
• 氢给体数：
  1
• 氢受体数：
  1

文献信息

• POLYPHENYLENE ETHER RESIN COMPOSITION HAVING NARROW MOLECULAR WEIGHT DISTRIBUTION
  申请人：Asahi Kasei Chemicals Corporation

  公开号：EP2277951A1

  公开（公告）日：2011-01-26

  A polyphenylene ether resin composition obtainable by melt-mixing a polyphenylene ether (A) comprising a structural unit (a) represented by the following formula (1): (wherein R1 and R2 each independently represent a hydrogen atom, a halogen atom, an optionally substituted alkyl group, and the like), and/or a structural unit (b) represented by the following formula (2): (wherein R3 and R4 each independently represent a hydrogen atom, a halogen atom, an optionally substituted alkyl group, and the like), with a nitrogen compound (B) comprising at least one group selected from the group consisting of primary amino groups, secondary amino groups and tertiary amino groups in a single molecule thereof, wherein the polyphenylene ether (A) comprises 0.1% by mass or more and 1.5% by mass or less of at least one type of aromatic hydrocarbon (C) containing 7 or 8 carbon atoms.

  一种可通过熔融混合获得的聚苯醚树脂组合物 一种聚苯醚树脂组合物，可通过熔融混合获得； - 一种聚苯醚 (A)，由下式 (1) 所代表的结构单元 (a) 组成： (其中 R1 和 R2 各自独立地代表氢原子、卤素原子、任选取代的烷基等），和/或下式（2）所代表的结构单元（b）： (其中 R3 和 R4 各自独立地代表氢原子、卤素原子、任选取代的烷基等），与 含氮化合物 (B)，其单个分子中包含至少一个选自伯氨基、仲氨基和叔氨基的基团，其中 聚苯醚（A）含有 0.1%（质量分数）或更多、1.5%（质量分数）或更少的至少一种含 7 或 8 个碳原子的芳香烃（C）。
• POLYPHENYLENE ETHER POWDER AND POLYPHENYLENE ETHER COMPOSITION
  申请人：Asahi Kasei Chemicals Corporation

  公开号：EP2628760A1

  公开（公告）日：2013-08-21

  [Problem to be Solved] An object of the present invention is to provide a polyphenylene ether powder that has a high loose apparent specific gravity and good handleability, as well as a high solvent solubility, and good covering properties by coating, applying and the like, and further, when formed as a covering film, providing the covering film with excellent mechanical properties. [Solution] The polyphenylene ether powder according to the present invention has a loose apparent specific gravity of 0.40 or more and 0.85 or less, and includes 5 to 20 mass% of a component having a molecular weight of 50,000 or more and 12 to 30 mass% of a component having a molecular weight of 8,000 or less.

  [有待解决的问题］ 本发明的目的是提供一种聚苯醚粉末，该粉末具有较高的松散表观比重和良好的可操作性，以及较高的溶剂溶解性，并通过涂覆、涂抹等方式具有良好的覆盖性能，此外，当形成覆盖膜时，该覆盖膜还具有优异的机械性能。 [解决方案］ 根据本发明的聚苯醚粉末的松散表观比重为 0.40 或更大，0.85 或更小，包括 5 至 20 质量%的分子量为 50,000 或更大的组分和 12 至 30 质量%的分子量为 8,000 或更小的组分。
• Method for producing polyphenylene ether
  申请人：ASAHI KASEI KABUSHIKI KAISHA

  公开号：US10059802B2

  公开（公告）日：2018-08-28

  Provided is a method for producing polyphenylene ether (PPE) having excellent mechanical properties, heat aging resistance, and color, and in which the content of impurities such as low molecular weight components and catalyst metal is low. The method for producing PPE includes: performing oxidative polymerization of a phenolic compound in a polymerization solution containing the phenolic compound, a catalyst, and an aromatic solvent to obtain a PPE mixed liquid; precipitating PPE to obtain a slurry containing particulate PPE through addition of a polar solvent to the PPE mixed liquid; solid-liquid separating the slurry to obtain wet PPE particles; washing the wet PPE particles to obtain PPE particles through at least one cycle of a washing and solid-liquid separation process in which washing is performed with a washing liquid containing an aromatic solvent and a polar solvent, and in which solid-liquid separation is performed; and drying the PPE particles.

  本发明提供了一种生产聚苯醚（PPE）的方法，该聚苯醚具有优异的机械性能、耐热老化性和色泽，并且低分子量成分和催化剂金属等杂质的含量较低。生产 PPE 的方法包括在含有酚类化合物、催化剂和芳香族溶剂的聚合溶液中对酚类化合物进行氧化聚合，得到 PPE 混合液；通过向 PPE 混合液中添加极性溶剂，沉淀 PPE，得到含有颗粒状 PPE 的浆液；对浆液进行固液分离，得到湿 PPE 颗粒；洗涤湿的 PPE 颗粒，通过洗涤和固液分离过程的至少一个循环获得 PPE 颗粒，在该过程中使用含有芳香族溶剂和极性溶剂的洗涤液进行洗涤，并进行固液分离；以及干燥 PPE 颗粒。
• Polyphenylene ether powder and production method
  申请人：ASAHI KASEI KABUSHIKI KAISHA

  公开号：US10266661B2

  公开（公告）日：2019-04-23

  Provided are a polyphenylene ether powder that exhibits low susceptibility to pulverization due to particle collisions, suppressed particle flushability, and excellent handleability, and a method for producing this polyphenylene ether powder. The polyphenylene ether powder includes one or more polyphenylene ether particles having an aspect ratio (DL/DS), expressing a ratio of a major axis diameter (DL) and a minor axis diameter (DS) of an individual particle, of 2.0 to 7.0.

  本发明提供了一种聚苯醚粉末，该粉末具有颗粒碰撞导致粉碎的低敏感性、抑制颗粒冲刷性和出色的处理性，以及生产这种聚苯醚粉末的方法。聚苯醚粉末包括一个或多个聚苯醚颗粒，其长径比（DL/DS）为 2.0 至 7.0，表示单个颗粒的主轴直径（DL）与小轴直径（DS）之比。
• POLYPHENYLENE ETHER AS WELL AS RESIN COMPOSITION AND MOLDING THEREOF
  申请人：ASAHI KASEI KABUSHIKI KAISHA

  公开号：EP2628759B1

  公开（公告）日：2021-06-30