2,2'-Stilben-dicarbonsaeure

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 二苯乙烯类
• 英文名称: 2,2'-Stilben-dicarbonsaeure
• 英文别名: Benzoic acid, 2,2'-(1,2-ethenediyl)bis-；2-[(E)-2-(2-carboxyphenyl)ethenyl]benzoic acid
• 化学式: C₁₆H₁₂O₄
• 分子量: 268.269
• InChiKey: AFGNGVLIGDCOBO-MDZDMXLPSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.7
• 重原子数：
  20
• 可旋转键数：
  4
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  74.6
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  甲醇 、 2,2'-Stilben-dicarbonsaeure 在 硫酸 作用下， 生成 dimethyl bis-2,2'-(1,2-ethenediyl)benzoate
  参考文献：
  名称：

  Organoboron Compounds. XIII. Boronic Acids with Neighboring Unsaturated Groups¹

  摘要：

  DOI：

  10.1021/jo01063a069
• 作为产物：
  描述：

  二氧化碳 、 (E)-2,2'-dibromostilbene 生成 2,2'-Stilben-dicarbonsaeure
  参考文献：
  名称：

  Organoboron Compounds. XIII. Boronic Acids with Neighboring Unsaturated Groups¹

  摘要：

  DOI：

  10.1021/jo01063a069

文献信息

• MODIFIER FOR AROMATIC POLYESTER AND AROMATIC POLYESTER RESIN COMPOSITION COMPRISING THE SAME
  申请人：TABATA Masayoshi

  公开号：US20110224343A1

  公开（公告）日：2011-09-15

  The present invention provides a modifier for aromatic polyesters which enhances the melt fluidity of aromatic polyesters without a significant decrease in the heat resistance of the aromatic polyesters, and an aromatic polyester resin composition including the modifier for aromatic polyesters. The present invention relates to a modifier for aromatic polyesters comprising polyhydric phenol residues and residues of aromatic polycarboxylic acid, acid halide or acid anhydride thereof, and the modifier comprises a material having a structure composed of a first residue selected from the group consisting of divalent residues represented by Formula (I): —Ar—W 1 x —Ar— and by Formula (II): —Ar—, the first residues being bonded to two identical or different second residues selected from the group consisting of monovalent residues represented by Formula (III): and monovalent residues represented by Formula (IV): —O—C(O)—R 7 —.

  本发明提供了一种用于芳香族聚酯的改性剂，可以增强芳香族聚酯的熔融流动性，而不明显降低芳香族聚酯的耐热性，以及包括该改性剂的芳香族聚酯树脂组合物。本发明涉及一种用于芳香族聚酯的改性剂，包括多羟基酚残基和芳香族多羧酸、酸卤或其酸酐残基，该改性剂包括具有以下结构的材料：第一残基，选择自由式(I)所代表的二价残基：—Ar—W1x—Ar—和自由式(II)所代表的：—Ar—，第一残基与选择自由式(III)所代表的单价残基：和自由式(IV)所代表的单价残基：—O—C(O)—R7—的两个相同或不同的第二残基结合。
• [EN] MULTI-STIMULI RESPONSIVE METAL-ORGANIC FRAMEWORKS<br/>[FR] RÉSEAUX ORGANOMÉTALLIQUES SENSIBLES À DES STIMULI MULTIPLES
  申请人：UNIV SYDNEY

  公开号：WO2021237309A1

  公开（公告）日：2021-12-02

  This invention relates to multi-stimuli responsive metal-organic frameworks (MOFs) comprising a repeat unit of the formula M2(L1)2(L2)2. Also disclosed are methods of preparation of multi-stimuli responsive MOFs of the formula M2(L1)2(L2)2 as well as their uses.

  本发明涉及具有重复单元公式M2(L1)2(L2)2的多刺激响应金属-有机框架（MOFs）。还公开了制备公式M2(L1)2(L2)2的多刺激响应MOFs的方法以及它们的用途。
• POLYESTERS WITH LOW MOLECULAR WEIGHT ADDITIVES FOR IMPROVED GAS BARRIER PROPERTIES
  申请人：Peters Richard Dalton

  公开号：US20120199515A1

  公开（公告）日：2012-08-09

  Disclosed is a polyester polymer composition comprising at least one polyethylene terephthalate polyester in an amount ranging from 94.0 weight percent to 99.5 weight percent and at least one additive in an amount ranging from 0.5 weight percent to 6 weight percent, each based on the total weight of the polyester composition. The at least one additive comprises a diamide molecule. The composition of the present invention is useful in producing shaped articles such as, for example, sheeting, films, tubes, bottles, preforms, and profiles. These articles can exhibit improved gas barrier properties. The process for making the polymer composition and the shaped articles is also disclosed.

  本发明公开了一种聚酯聚合物组合物，其包括至少一种聚对苯二甲酸乙二醇酯聚酯，其含量在94.0重量百分比至99.5重量百分比之间，并且至少一种添加剂，其含量在0.5重量百分比至6重量百分比之间，每种都基于聚酯组合物的总重量。所述至少一种添加剂包括一种二酰胺分子。本发明的组合物可用于生产成型物品，例如，薄膜、管道、瓶子、预制体和型材。这些物品可以表现出改善的气体屏障性能。本发明还公开了制备聚合物组合物和成型物品的方法。
• Esterification of an exchange solvent enriched composition
  申请人：Parker Randolph Kenny

  公开号：US20060264664A1

  公开（公告）日：2006-11-23

  A process is provided for producing an enriched carboxylic acid compositions produced by contacting composition comprising a carboxylic acid with an enrichment feed in an enrichment zone to form an enriched carboxylic acid composition. This invention also relates to a process and the resulting compositions for removing catalyst from a carboxylic acid composition to produce a post catalyst removal composition.

  提供一种生产富集羧酸组分的方法，包括将含有羧酸的组分与富集进料在富集区接触，以形成富集羧酸组分。本发明还涉及一种方法和由此产生的组分，用于从羧酸组分中去除催化剂，以生产催化剂去除后的组分。
• Enriched terephthalic acid composition
  申请人：Gibson Edward Philip

  公开号：US20060264666A1

  公开（公告）日：2006-11-23

  A process is provided for producing an enriched carboxylic acid compositions produced by contacting composition comprising a carboxylic acid with an enrichment feed in an enrichment zone to form an enriched carboxylic acid composition. This invention also relates to a process and the resulting compositions for removing catalyst from a carboxylic acid composition to produce a post catalyst removal composition.

  本发明提供了一种生产富集羧酸组分的方法，该方法通过将含有羧酸的组分与富集进料在富集区接触，形成富集羧酸组分。本发明还涉及一种从羧酸组分中去除催化剂以生产后催化剂去除组分的方法和产生的组分。