hexane-1,2,6-tricarboxylic acid | 37746-11-5

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: hexane-1,2,6-tricarboxylic acid
• 英文别名: Hexan-1,2,6-tricarbonsaeure；Hexan-tricarbonsaeure-(1,2,6)
• CAS: 37746-11-5
• 化学式: C₉H₁₄O₆
• 分子量: 218.207
• InChiKey: YECNECPEWGRTJS-UHFFFAOYSA-N

物化性质

• 熔点：
  90 °C(Solv: ethyl acetate (141-78-6); ligroine (8032-32-4))
• 沸点：
  405.1±35.0 °C(Predicted)
• 密度：
  1.352±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  0
• 重原子数：
  15
• 可旋转键数：
  8
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.67
• 拓扑面积：
  112
• 氢给体数：
  3
• 氢受体数：
  6

反应信息

• 作为反应物：
  描述：

  甲醇 、 hexane-1,2,6-tricarboxylic acid 在 硫酸 作用下， 生成 hexane-1,2,6-tricarboxylic acid trimethyl ester
  参考文献：
  名称：

  Sen Gupta; Bhattacharyya, Journal of the Indian Chemical Society, 1954, vol. 31, p. 337,344

  摘要：

  DOI：
• 作为产物：
  描述：

  Cycloheptanon-(1)-dicarbonsaeure-(2,3)-dimethylester 在 氢氧化钾 作用下， 以 甲醇 为溶剂， 生成 hexane-1,2,6-tricarboxylic acid
  参考文献：
  名称：

  Mondon,A.; Aumann,G., Chemische Berichte, 1972, vol. 105, p. 1459 - 1462

  摘要：

  DOI：

文献信息

• Multi-layer hose
  申请人：Asahi Glass Co., Ltd.

  公开号：EP1470910A1

  公开（公告）日：2004-10-27

  A multi-layer hose having a multi-layer structure comprising an inner layer (I) made of a fluorocopolymer and an outer layer (II) made of a polyamide resin, wherein the fluorocopolymer constituting the inner layer (I) is a fluorocopolymer which comprises polymerized units (a) based on tetrafluoroethylene, polymerized units (b) based on ethylene and polymerized units (c) based on itaconic anhydride and/or citraconic anhydride, wherein the molar ratio of (a)/(b) is from 20/80 to 80/20 and the molar ratio of (c)/((a)+(b)) is from 1/10,000 to 5/100 and which has a volume flow rate of from 1 to 1,000 mm3/sec., and the polyamide resin constituting the outer layer (II) is polyamide 11 and/or polyamide 12, which satisfies a condition of (terminal amino group concentration)/(terminal carboxyl group concentration)>1.

  一种具有多层结构的多层软管，包括由含氟聚合物制成的内层(I)和由聚酰胺树脂制成的外层(II)，其中构成内层(I)的含氟聚合物是一种含氟聚合物，它包括基于四氟乙烯的聚合单元(a)、(a)/(b)的摩尔比为 20/80 至 80/20，(c)/((a)+(b))的摩尔比为 1/10,000 至 5/100，体积流量为 1 至 1,000 立方毫米/秒。,构成外层（II）的聚酰胺树脂为聚酰胺 11 和/或聚酰胺 12，其满足（末端氨基浓度）/（末端羧基浓度）>1 的条件。
• MULTILAYER TUBE
  申请人：UBE Industries, Ltd.

  公开号：EP3437850A1

  公开（公告）日：2019-02-06

  A multilayer tube is provided which includes a layer including a specific aliphatic polyamide composition and a layer including a semi-aromatic polyamide composition including a semi-aromatic polyamide with a specific structure, these layers being adjacent to each other, wherein the aliphatic polyamide composition includes an aliphatic polyamide having a specific ratio of the number of methylene groups to the number of amide groups, a polyamide having a specific difference in absolute value of solubility parameter SP from the aliphatic polyamide, and an elastomer polymer including a structural unit derived from an unsaturated compound having a carboxyl group and/or an acid anhydride group.

  本发明提供了一种多层管，其中包括一层脂肪族聚酰胺组合物和一层半芳香族聚酰胺组合物，半芳香族聚酰胺组合物包括具有特定结构的半芳香族聚酰胺，这些层彼此相邻、其中脂肪族聚酰胺组合物包括具有亚甲基数与酰胺基数的特定比率的脂肪族聚酰胺、与脂肪族聚酰胺的溶解度参数SP的绝对值有特定差异的聚酰胺，以及弹性体聚合物，其中弹性体聚合物包括从具有羧基和/或酸酐基的不饱和化合物衍生的结构单元。
• POLYAMIDE RESIN COMPOSITION, AND POLYAMIDE RESIN COMPOSITION FOR ROTATION MOLDING AND ROTATION MOLDED ARTICLE USING SAME
  申请人：UBE Industries, Ltd.

  公开号：EP3683272A1

  公开（公告）日：2020-07-22

  The present invention provides a polyamide resin composition having excellent low-temperature impact resistance and surface property, a polyamide resin composition for rotational molding and a rotational molded article using the same. The polyamide resin composition according to the present invention comprises: a component (A) in an amount of a parts by weight, which is an aliphatic polyamide having a relative viscosity ηr of less than 2.6 as measured according to JIS K6920 under the conditions of 96 wt% of sulfuric acid, 1 wt% of the polymer concentration, and 25°C; a component (B) in an amount of b parts by weight, which is a modified polyolefin having a density of 0.895 g/cm3 or less as measured according to ASTM D1505; and a component (C) in an amount of c parts by weight, which is a non-modified polyolefin having an MFR value of 3.0 to 30 g/10min as measured in a load of 2.16 kg at 190°C; wherein the polyamide resin composition satisfies the following equations: 50 ≤ c/(b+c)×100 ≤ 70, and 10 ≤ (b+c)/(a+b+c)×100 ≤ 40.

  本发明提供了一种具有优异的低温抗冲击性和表面性能的聚酰胺树脂组合物、一种用于滚塑成型的聚酰胺树脂组合物和一种使用该组合物的滚塑成型品。根据本发明的聚酰胺树脂组合物包括：a 组分（重量份），它是脂肪族聚酰胺，在 96 wt%的硫酸、1 wt%的聚合物浓度和 25°C 的条件下，根据 JIS K6920 测量，其相对粘度 ηr 小于 2.6；b 组分（重量份），它是改性聚烯烃，密度为 0.根据 ASTM D1505 测量，其密度为 0.895 g/cm3 或更低；以及组分(C)，其重量份数为 c 份，其为非改性聚烯烃，在 190°C、2.16 kg 的负载下测量，其 MFR 值为 3.0 至 30 g/10min；其中聚酰胺树脂组合物满足以下公式：50≤c/(b+c)×100≤70，10≤(b+c)/(a+b+c)×100≤40。
• LAMINATE
  申请人：Ube Industries, Ltd.

  公开号：EP3907077A1

  公开（公告）日：2021-11-10

  This is to provide a multilayer tube excellent in interlayer adhesiveness and durability thereof while maintaining various characteristics such as low temperature impact resistance, bursting pressure strength and flexibility. In a multilayer tube having at least two kinds of layers and the both layers are adjacent to each other, an aliphatic polyamide composition constituting one of the layers contains an aliphatic polyamide having a ratio of a number of methylene groups to a number of amide groups of a specific value or more and a copolymerized polyamide having a specific unit, and an elastomeric polymer which may contain a constitutional unit derived from an unsaturated compound having a carboxyl group(s) and/or an acid anhydride group(s).

  其目的是提供一种层间粘合性和耐久性极佳的多层管，同时保持各种特性，如低温抗冲击性、爆破压力强度和柔韧性。 在至少有两种层且两层相邻的多层管中，构成其中一层的脂肪族聚酰胺组合物包含亚甲基数与酰胺基数之比为特定值或更高的脂肪族聚酰胺和具有特定单元的共聚聚酰胺，以及弹性聚合物，其中弹性聚合物可包含由具有羧基和/或酸酐基的不饱和化合物衍生的构型单元。
• WATER-DISPERSIBLE MODIFIED POLYISOCYANATES
  申请人：Covestro Deutschland AG

  公开号：EP4015554A1

  公开（公告）日：2022-06-22

  The invention relates to a water-dispersible modified polyisocyanate and use thereof, especially as a crosslinking component in water-soluble or water-dispersible coating compositions. The water-dispersible modified polyisocyanate can be obtained by the reaction of a system comprising a water-dispersible polyisocyanate and an isocyanate-reactive component; wherein the viscosity of the water-dispersible modified polyisocyanate is 3000 mPa·s-11000 mPa·s, which is measured with a MV-DIN rotor according to DIN EN ISO 3219:1994-10 at 23°C and a shear rate of 10 s-1. The modified polyisocyanate according to the present invention has good manual stirring behavior and good dispersibility, and the coating formed by the coating composition containing the modified polyisocyanate has high gloss and good transparency.

  本发明涉及一种水分散性改性多异氰酸酯及其用途，特别是用作水溶性或水分散性涂料组合物中的交联组分。该水分散性改性多异氰酸酯可通过由水分散性多异氰酸酯和异氰酸酯反应组分组成的体系反应获得；其中，水分散性改性多异氰酸酯的粘度为 3000 mPa-s-11000 mPa-s，该粘度是在 23°C、剪切速率为 10 s-1 的条件下使用符合 DIN EN ISO 3219:1994-10 标准的 MV-DIN 转子测得的。本发明的改性多异氰酸酯具有良好的手动搅拌性能和分散性，由含有改性多异 氰酸酯的涂料组合物形成的涂层具有高光泽和良好的透明度。