邻苯二甲酸锌 | 2880-85-5

• 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: 邻苯二甲酸锌
• 英文名称: Phthalic acid;ZINC
• 英文别名: phthalic acid;zinc
• CAS: 2880-85-5
• 化学式: C8H6O4Zn
• 分子量: 231.5
• InChiKey: AOFLRIJGLJZIDW-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.08
• 重原子数：
  13
• 可旋转键数：
  0
• 环数：
  1.0
• 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

文献信息

• Aromatic carboxylic acids
  申请人：Nippon Steel Corporation

  公开号：EP0346029A1

  公开（公告）日：1989-12-13

  A process for the preparation of aromatic carboxylic acids or their salts comprises heating carboxyl-free aromatic compounds and aromatic carboxylic acid salts whose basic structures differ from those of the aromatic compounds, or heating polycyclic aromatic compounds with three or more rings and monocyclic or bicyclic aromatic carboxylic acid salts, under carbon dioxide pressure in the presence of one or more metal compounds selected from group (a) of compounds of zinc, cadmium, and thallium and one or more compounds selected from group (b) of compounds of cesium, Group II metals, and Group III a metals to effect the intermolecular transfer of the carboxyl groups.

  制备芳香族羧酸或其盐的工艺包括加热不含羧基的芳香族化合物和基本结构不同于芳香族化合物的芳香族羧酸盐，或加热具有三个或三个以上环的多环芳香族化合物和单环或双环芳香族羧酸盐、在二氧化碳压力下，在一种或多种选自(a)组锌、镉和铊化合物的金属化合物和一种或多种选自(b)组铯、第二类金属和第三类金属化合物的化合物存在下，实现羧基的分子间转移。
• Polyolefin foam and polyolefin resin composition
  申请人：TOSOH CORPORATION

  公开号：EP1188785A2

  公开（公告）日：2002-03-20

  A high-expanded crosslinked foam having excellent flexibility, toughness, heat resistance and compressibility, a smooth surface and uniform cells, and a polyolefin resin composition to be used therefore are provided. A polyolefin-based crosslinked foam has the following characteristics (a) to (c) and is obtained by the crosslinked foaming of a foaming polyolefin resin composition comprising a polyolefin resin composition and a foaming agent: (a) Gel fraction is from 10% to 90%; (b) Degree of swelling is 30 or less; and (c) When glass transition point determined from the temperature dependence of dynamic viscoelasticity is represented by the peak of tan δ determined by the measurement of dynamic viscoelasticity at a frequency of 10 Hz, there is observed no peak or one peak, if any, and the ratio α of storage modulus at 0°C (E' 0) to storage modulus at 100°C (E' 100) (α = logE' 0/E' 100) is from 10 to 30.

  本发明提供了一种具有优异的柔韧性、韧性、耐热性和可压缩性，表面光滑且气孔均匀的高膨胀交联泡沫塑料，以及可用于该泡沫塑料的聚烯烃树脂组合物。一种聚烯烃基交联泡沫塑料具有以下特性（a）至（c），是由聚烯烃树脂组合物和发泡剂组成的发泡聚烯烃树脂组合物交联发泡得到的： (a) 凝胶部分为 10%至 90%； (b) 溶胀度为 30 或以下；以及 (c) 当根据动态粘弹性的温度依赖性确定的玻璃化转变点由在 10 Hz 频率下测 量动态粘弹性所确定的 tan δ 的峰值表示时，观察到没有峰值或一个峰值（如有）， 0°C 时的储存模量（E' 0）与 100°C 时的储存模量（E' 100）之比 α（α = logE' 0/E' 100）为 10 至 30。
• Olefin polymerization catalyst and process for producing olefin polymer with the catalyst
  申请人：MITSUI CHEMICALS, INC.

  公开号：EP1238989A2

  公开（公告）日：2002-09-11

  A novel olefin polymerization catalyst is provided which comprises (A) a transition metal compound or lanthanoid compound containing two or more atoms selected from the group consisting of boron, nitrogen, oxygen, phosphorus, sulfur, and selenium; and (B) a Lewis acid. A process for producing an olefin polymer is alsoprovided. The catalyst has a high olefin polymerization activity without a combined use of an expensive organoaluminum oxy-compound or organoboron compound, and can maintain the high activity for a long polymerization time.

  提供了一种新型烯烃聚合催化剂，它包括 (A) 一种过渡金属化合物或镧系化合物，其中含有两个或两个以上选自硼、氮、氧、磷、硫和硒组成的原子；以及 (B) 一种路易斯酸。还提供了一种生产烯烃聚合物的工艺。该催化剂具有较高的烯烃聚合活性，无需同时使用昂贵的有机铝氧化合物或有机硼化合物，并能在较长的聚合时间内保持较高的活性。
• Silane-crosslinking expandable polyolefin resin composition and crosslinked foam
  申请人：Tosoh Corporation

  公开号：EP1354912A1

  公开（公告）日：2003-10-22

  A silane-crosslinking expandable polyolefin resin composition that is flowable before foaming and composition, does not cause degassing even when foaming is carried out immediately after heat molding without the conventional crosslinking operation, and gives a crosslinked foam having superior heat resistance (heat deformation properties) after the foaming. The silane-crosslinking expandable polyolefin resin composition includes 100 parts by weight of a mixture of 5-90% by weight of a silane-grafted polyethylene resin obtained by melt mixing 100 parts by weight of LLDPE having a molecular weight distribution of 5 or less and a density of 0.87-0.945 g/cm3, 0.1-5 parts by weight of a vinyl-functional silane compound and 0.01-0.5 parts by weight of a free radical generator, and 95-10% by weight of a polyolefin resin; and 2-20 parts by weight of a specified organic blowing gas.

  一种硅烷交联可发泡聚烯烃树脂组合物，它在发泡和组成之前具有流动性，即使在热成型后立即发泡也不会引起脱气，而无需进行传统的交联操作，并且在发泡后得到的交联泡沫具有优异的耐热性（热变形特性）。硅烷交联可发泡聚烯烃树脂组合物包括 100 重量份的硅烷接枝聚乙烯树脂混合物，该混合物由 100 重量份的分子量分布为 5 或 5 以下、密度为 0.87-0.945 g/cm2 的低密度聚乙烯熔融混合而成，重量百分比为 5-90%。87-0.945克/立方厘米、0.1-5份(重量)乙烯基官能硅烷化合物和0.01-0.5份(重量)自由基发生器，以及95-10%(重量)聚烯烃树脂的混合物；和2-20份(重量)指定的有机发泡气体。
• SILVER ANTI-TARNISHING AGENT, SILVER ANTI-TARNISHING RESIN COMPOSITION, SILVER ANTI-TARNISHING METHOD, AND LIGHT-EMITTING DIODE USING SAME
  申请人：Nippon Kayaku Kabushiki Kaisha

  公开号：EP2562293A1

  公开（公告）日：2013-02-27

  The present invention relates to a silver anti-tarnish agent having, as an effective component, a zinc salt and/or a zinc complex, preferably at least one kind selected from the group consisting of a carboxylic acid zinc salt having a carbon atom number of 3 to 20, a phosphoric acid zinc salt, a phosphate ester zinc salt and a carbonyl compound zinc complex; a silver anti-tarnish method for preventing tarnish of a silver part by applying said silver anti-tarnish agent to the silver part. According to the present invention, tarnish of a silver part such as a silver-plated part due to a sulfur-based gas can be prevented. The present invention is useful particularly as a silver anti-tarnish agent for a light-emitting diode and allows preventing tarnish of a silver part of a light-emitting diode and reduction in illuminance by applying the silver anti-tarnish agent of the present invention to a silver part such as a silver-plated part of a light-emitting diode for covering the silver part.

  本发明涉及一种银防褪色剂，其有效成分为锌盐和/或锌络合物，优选至少一种选自碳原子数为 3 至 20 的羧酸锌盐、磷酸锌盐、磷酸酯锌盐和羰基化合物锌络合物组成的组；还涉及一种银防褪色方法，通过将所述银防褪色剂涂抹在银部件上，防止银部件褪色。根据本发明，可以防止银制部件（如镀银部件）因硫基气体而变色。本发明特别适用于发光二极管的银防变色剂，通过将本发明的银防变色剂涂抹到发光二极管的镀银部件等银部件上以覆盖银部件，可防止发光二极管的银部件变色和照度降低。