4-Oxo-4-(1,1,4-trihydroxybutoxy)butanoic acid

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: 4-Oxo-4-(1,1,4-trihydroxybutoxy)butanoic acid
• 英文别名: 4-oxo-4-(1,1,4-trihydroxybutoxy)butanoic acid
• 化学式: C₈H₁₄O₇
• 分子量: 222.19
• InChiKey: QWEKRQIQRXUPFH-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -1.7
• 重原子数：
  15
• 可旋转键数：
  8
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.75
• 拓扑面积：
  124
• 氢给体数：
  4
• 氢受体数：
  7

文献信息

• METHOD FOR PRODUCING BRANCHED AROMATIC POLYCARBONATE RESIN
  申请人：Mitsubishi Gas Chemical Company, Inc.

  公开号：EP2883899A1

  公开（公告）日：2015-06-17

  The present invention provides a method for producing a branched aromatic polycarbonate resin that is molecular weight-increased, which comprises subjecting an aromatic polycarbonate prepolymer and a linking agent comprising a trifunctional or more of an aliphatic polyol compound to transesterification reaction in the presence of a transesterification catalyst under a reduced pressure condition.

  本发明提供了一种生产分子量增加的支链芳香族聚碳酸酯树脂的方法，该方法包括在减压条件下，将芳香族聚碳酸酯预聚物和由三官能团或更多脂肪族多元醇化合物组成的连接剂在酯交换催化剂存在下进行酯交换反应。
• METHOD FOR PRODUCING HIGH-MOLECULAR-WEIGHT AROMATIC POLYCARBONATE RESIN
  申请人：Mitsubishi Gas Chemical Company, Inc.

  公开号：EP3070112A1

  公开（公告）日：2016-09-21

  The present invention is to provide a process for producing a high molecular-weight aromatic polycarbonate resin, the process includes mixing a dialcohol compound represented by the following Formula (1) with a first catalyst to obtain a catalyst composition; mixing the obtained catalyst composition with an aromatic polycarbonate prepolymer to obtain a prepolymer mixture; and obtaining a high molecular-weight aromatic polycarbonate by subjecting the obtained prepolymer mixture to heating treatment under reduced pressure condition. In the Formula (1), R1 to R4 each independently represent a hydrogen atom, an alkyl group and the like. Q represents a divalent group or a single bond.

  本发明旨在提供一种生产高分子量芳香族聚碳酸酯树脂的工艺，该工艺包括将下式（1）代表的二醇类化合物与第一催化剂混合，得到催化剂组合物；将得到的催化剂组合物与芳香族聚碳酸酯预聚物混合，得到预聚物混合物；将得到的预聚物混合物在减压条件下进行加热处理，得到高分子量芳香族聚碳酸酯。在式（1）中，R1 至 R4 各自独立地代表氢原子、烷基等。Q 代表二价基团或单键。
• HIGH MOLECULAR WEIGHT AROMATIC POLYCARBONATE RESIN MANUFACTURING METHOD
  申请人：Mitsubishi Gas Chemical Company, Inc.

  公开号：EP3438151A1

  公开（公告）日：2019-02-06

  Provided is a high molecular weight aromatic polycarbonate resin manufacturing method that can achieve good quality and sufficiently high molecular weight. A high molecular weight aromatic polycarbonate resin manufacturing method including: a step in which a dialcohol compound expressed by general formula (1) and a catalyst are mixed to obtain a catalyst composition; a step in which the obtained catalyst composition is transferred to a prepolymer mixing tank via a transfer pipe; a step in which the transferred catalyst composition and an aromatic polycarbonate prepolymer are mixed in the prepolymer mixing tank, under a pressure that is greater than or equal to the vapor pressure of the dialcohol compound at the temperature of the prepolymer mixing tank and is less than or equal to 5MPa, to obtain a prepolymer mixture; and a high molecular weight achievement step in which the obtained prepolymer mixture is heat-treated under reduced pressure conditions to obtain a high molecular weight aromatic polycarbonate resin. In formula (1), R1-R4 each independently represent a hydrogen atom, a halogen atom, or a C1-5 straight-chain or branched-chain alkyl group. Q represents a single bond or a divalent radical that may have a substituent group and is formed from at least one component selected from the group consisting of an aliphatic group, an aromatic group, an oxygen atom, a sulfur atom, a sulfone group, a sulfoxide group, a carbonyl group, a dialkylsilyl group, and a diarylsilyl group.

  本发明提供了一种高分子量芳香族聚碳酸酯树脂制造方法，可获得良好的质量和足够高的分子量。一种高分子量芳香族聚碳酸酯树脂的制造方法，包括将通式（1）表示的二羟基化合物和催化剂混合以获得催化剂组合物的步骤； 通过输送管将获得的催化剂组合物输送到预聚物混合罐的步骤；在预聚物混合罐中，在大于或等于二羟基化合物在预聚物混合罐温度下的蒸气压且小于或等于 5MPa 的压力下，将转移的催化剂组合物和芳香族聚碳酸酯预聚物混合，以获得预聚物混合物的步骤；以及 在减压条件下，对获得的预聚物混合物进行热处理，以获得高分子量芳香族聚碳酸酯树脂的高分子量实现步骤。在式 (1) 中，R1-R4 各自独立地代表氢原子、卤素原子或 C1-5 直链或支链烷基。Q 代表单键或可带有取代基的二价基，该二价基至少由一种组分形成，这些组分选自脂族基、芳香族基、氧原子、硫原子、砜基、亚砜基、羰基、二烷基硅烷基和二元硅烷基组成的组。
• MANUFACTURING METHOD FOR HIGH MOLECULAR WEIGHT AROMATIC POLYCARBONATE RESIN
  申请人：Mitsubishi Gas Chemical Company, Inc.

  公开号：EP3438152A1

  公开（公告）日：2019-02-06

  Provided is a manufacturing method for a high molecular weight aromatic polycarbonate resin that has superior fluidity and for which a good color and a sufficiently high molecular weight can be achieved. A manufacturing method for a high molecular weight aromatic polycarbonate resin, said manufacturing method including: a step in which a dialcohol compound expressed by general formula (1) and a catalyst are mixed to obtain a catalyst composition; a step in which the obtained catalyst composition is kept in a molten state, and is mixed with an aromatic polycarbonate prepolymer within ten hours after obtaining the catalyst composition, to obtain a prepolymer mixture; and a high molecular weight achievement step in which the obtained prepolymer mixture is heat-treated under reduced pressure conditions to obtain a high molecular weight aromatic polycarbonate resin. In formula (1), R1-R4 each independently represent a hydrogen atom, a halogen atom, or a C1-5 straight-chain or branched-chain alkyl group. Q represents a single bond or a divalent radical that may contain a substituent group and is formed from at least one component selected from the group consisting of an aliphatic hydrocarbon group, an aromatic hydrocarbon group, an oxygen atom, a sulfur atom, a sulfone group, a sulfoxide group, a carbonyl group, a dialkylsilyl group, and a diarylsilyl group.

  本发明提供了一种高分子量芳香族聚碳酸酯树脂的制造方法，该树脂具有优异的流动性，并能获得良好的颜色和足够高的分子量。一种高分子量芳香族聚碳酸酯树脂的制造方法，所述制造方法包括：将通式（1）表示的二醇类化合物与催化剂混合以获得催化剂组合物的步骤；将获得的催化剂组合物保持在熔融状态，并在获得催化剂组合物后十小时内与芳香族聚碳酸酯预聚物混合以获得预聚物混合物的步骤；以及将获得的预聚物混合物在减压条件下进行热处理以获得高分子量芳香族聚碳酸酯树脂的高分子量实现步骤。在式 (1) 中，R1-R4 各自独立地代表氢原子、卤素原子或 C1-5 直链或支链烷基。Q 代表单键或可包含取代基的二价基，该二价基至少由一种组分形成，这些组分选自脂族烃基、芳香族烃基、氧原子、硫原子、砜基、亚砜基、羰基、二烷基硅烷基和二元硅烷基组成的组。
• High-fluidity polycarbonate copolymer, process for production highly polymerized aromatic polycarbonate resin and aromatic polycarbonate compound
  申请人：MITSUBISHI GAS CHEMICAL COMPANY, INC.

  公开号：US10053537B2

  公开（公告）日：2018-08-21

  Copolymer having high fluidity and high molecular weight which is formed of a structural unit derived from an aliphatic diol compound and a structural unit derived from an aromatic dihydroxy compound. A polycarbonate resin composition is also provided comprising a highly polymerized aromatic polycarbonate resin as a main component and also comprising cyclic carbonate present in an amount of not more than 3000 ppm, wherein the highly polymerized aromatic polycarbonate resin is produced by a process which comprises a highly-polymerizing process wherein an aromatic polycarbonate is reacted with an aliphatic diol compound in the presence of a transesterification catalyst to increase the molecular weight.

  具有高流动性和高分子量的共聚物，该共聚物由源自脂肪族二元醇化合物的结构单元和源自芳香族二羟基化合物的结构单元组成。本发明还提供了一种聚碳酸酯树脂组合物，其主要成分为高度聚合的芳香族聚碳酸酯树脂，还包括含量不超过 3000 ppm 的环碳酸盐，其中高度聚合的芳香族聚碳酸酯树脂是通过高度聚合工艺生产的，该工艺包括芳香族聚碳酸酯与脂肪族二元醇化合物在酯交换催化剂存在下发生反应以增加分子量的过程。