4,4'-isophthaloyl dibenzoic acid

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 二芳基庚烷
• 英文名称: 4,4'-isophthaloyl dibenzoic acid
• 英文别名: 4-[3-(4-Carboxybenzoyl)benzoyl]benzoic acid
• 化学式: C₂₂H₁₄O₆
• 分子量: 374.35
• InChiKey: ADWVJWLBIORHFO-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.7
• 重原子数：
  28
• 可旋转键数：
  6
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  109
• 氢给体数：
  2
• 氢受体数：
  6

反应信息

• 作为产物：
  描述：

  1,3-phenylenebis[(4-methylphenyl)methanone] 在 chromium(VI) oxide 、 硫酸 、 乙酸酐 、 溶剂黄146 作用下， 反应 24.0h， 以52%的产率得到4,4'-isophthaloyl dibenzoic acid
  参考文献：
  名称：

  一种羰基功能化的芳香羧酸的制备方法

  摘要：

  本发明公开了一种羰基功能化的芳香羧酸的制备方法。本发明通过芳香酰卤与甲苯进行傅克反应生成芳香酮，然后再将甲基氧化成羧基，从而得到羰基功能化的芳香羧酸。该方法新颖独特，实验步骤简单，两步反应就可获得所需产物，且反应在室温或冰水浴中进行，能耗小，易操作，产率高，节约成本，同时羰基基团的存在也为产物进一步后功能化提供了便利，具有很大的应用前景。

  公开号：

  CN108863736A

文献信息

• Porous stretched article of polypropylene-based resin and process for its preparation
  申请人：NEW JAPAN CHEMICAL CO.,LTD.

  公开号：EP0632095A2

  公开（公告）日：1995-01-04

  Disclosed are a process for producing a porous stretched article of β-crystalline polypropylene-based resin, the process comprising the steps of crystallizing a melt of a polypropylene-based resin composition at a temperature of 15 to 140°C to form a solidified product containing β-form crystals and stretching the resulting solidified product at a temprature which is higher than 20 °C but lower than the melting point of the β-form crystals in said solidified product, the polypropylene-based resin composition comprising a polypropylene-based resin and 0.0001 to 5 parts by weight, per 100 parts by weight of the polypropylene-based resin, of at least one specific amide compound; and a porous stretched article produced by the process.

  本发明公开了一种用β-结晶聚丙烯基树脂生产多孔拉伸制品的工艺，该工艺包括以下步骤：在15至140℃的温度下使聚丙烯基树脂组合物的熔体结晶，形成含有β-结晶的固化物，并在高于20℃但低于所述固化物中β-结晶的熔点的温度下拉伸所得固化物，所述聚丙烯基树脂组合物包括聚丙烯基树脂和0.0001至5份（按每100份聚丙烯基树脂的重量计）的至少一种特定酰胺化合物；以及由该工艺生产的多孔拉伸制品。
• Polybutene-1 resin composition and a method of accelerating the crystal transformation
  申请人：NEW JAPAN CHEMICAL CO.,LTD.

  公开号：EP0776933A1

  公开（公告）日：1997-06-04

  Disclosed are a polybutene-1 resin composition comprising a polybutene-1 resin and a Form-II to Form-I crystal transformation accelerator, and a method of accelerating the Form-II to Form-I crystal transformation comprising molding the polybutene-1 resin composition and allowing the molded product to stand at about 0 to 50 °C, the crystal transformation accelerator being an amide compound.

  本发明公开了一种聚丁烯-1 树脂组合物，该组合物由聚丁烯-1 树脂和一种从 Form-II 到 Form-I 的晶体转变促进剂组成；以及一种加速从 Form-II 到 Form-I 晶体转变的方法，该方法包括模塑聚丁烯-1 树脂组合物，并使模塑产品在约 0 至 50 °C 下静置，晶体转变促进剂是一种酰胺化合物。
• PROPYLENE-ETHYLENE COPOLYMER COMPOSITIONS AND PROCESS FOR THE PRODUCTION THEREOF
  申请人：CHISSO CORPORATION

  公开号：EP0790262A1

  公开（公告）日：1997-08-20

  A propylene-ethylene copolymer composition is obtained which has a good moldability and is excellent in the balance of rigidity, toughness, and impact-strength. A propylene-ethylene copolymer composition having a melt flow rate of 10 to 300 g/10 minutes and obtained by producing 60 to 95 % by weight, based on the weight of whole polymer, of a propylene polymer having a melt flow rate (ASTM D-1238) in the range of 100 to 1,000 g/10 minutes and having a ratio (Cf) of integrated values of the propylene polymer dissolved in o-dichlorobenzene at a temperature of lower than 112°C, and a temperature of 112°C or higher, respectively, which is an index of the stereoregurality in molecules and molecular weight distribution, when the amounts of the propylene polymer dissolved therein at each of the temperatures were determined by raising the temperature of the o-dichlorobenzene continuously or stepwise, of 0.5 or less, by carrying out polymerization of propylene in the presence of a highly stereoregular catalyst and hydrogen in a polymerization step (I), and then producing 5 to 40 % by weight, based on the weight of whole polymer, of an ethylene-propylene copolymer by feeding ethylene and propylene to the propylene polymer produced in the polymerization step (I) to react so that the content of ethylene becomes 30 to 80 % by weight, in a polymerization step (II); and a propylene-ethylene copolymer composition comprising the composition mentioned above and a α-crystal and/or β-crystal nucleator added therewith.

  一种丙烯-乙烯共聚物组合物具有良好的成型性，并且在刚性、韧性和冲击强度的平衡方面表现优异。 一种熔体流动速率为 10 至 300 克/10 分钟的丙烯-乙烯共聚物组合物，通过以下方法获得 以整个聚合物的重量为基准，生产 60% 至 95% 重量百分比的丙烯聚合物，其熔体流动速率（ASTM D-1238）在 100 至 1,000 克/10 分钟范围内，在温度低于 112°C、和 112°C 或更高温度下溶解在邻二氯苯中的丙烯聚合物的综合值之比 (Cf)，这分别是分子立体性和分子量分布的指标，当通过连续或逐步提高邻二氯苯的温度 0.5 或更低，在聚合步骤 (I) 中，在高度立体配位催化剂和氢的存在下进行丙烯聚合，然后 在聚合步骤(II)中，通过向聚合步骤(I)中生成的丙烯聚合物中加入乙烯和丙烯进行反应，使乙烯的含量达到 30% 至 80%（以整个聚合物的重量计），生成 5% 至 40%（以重量计）的乙烯-丙烯共聚物；以及丙烯-乙烯共聚物组合物，该组合物包括上述组合物和加入其中的 α 结晶和/或 β 结晶成核剂。
• PREFOAMED PARTICLES OF POLYPROPYLENE RESIN AND PROCESS FOR PRODUCING THE SAME
  申请人：KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHA

  公开号：EP0790275A1

  公开（公告）日：1997-08-20

  Heat temperature at the expansion molding of a finished expanded article is decreased by lowering the melting peak temperature of the pre-expanded particles of a polypropylene resin. Comprising the polypropylene resin and a β-crystalline-nucleating agent, the percentage of the β-form in the whole crystalline region is 5 to 100 parts by weight.

  通过降低聚丙烯树脂预膨化颗粒的熔融峰值温度，可降低成品膨化物膨化成型时的热温度。由聚丙烯树脂和β-结晶成核剂组成，β-形式在整个结晶区域中的百分比为 5 至 100 重量份。
• Crystalline polypropylene resin composition and amide compounds
  申请人：NEW JAPAN CHEMICAL CO.,LTD.

  公开号：EP0962489A2

  公开（公告）日：1999-12-08

  Disclosed are a crystalline polypropylene resin composition comprising a crystalline polyproplylene resin and a β-nucleating agent, and a method of increasing the proportion of β-form crystals in a crystalline polypropylene resin molding comprising molding the composition, the β-nucleating agent being a diamide compound.

  本发明公开了一种结晶聚丙烯树脂组合物，该组合物由结晶聚丙烯树脂和 β 成核剂组成；还公开了一种增加结晶聚丙烯树脂模塑中 β 形晶体比例的方法，该方法包括模塑该组合物，β 成核剂为二酰胺化合物。