Heptacosanamide | 1035424-52-2

• 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: Heptacosanamide
• CAS: 1035424-52-2
• 化学式: C₂₇H₅₅NO
• 分子量: 409.7
• InChiKey: LMQIZUOIKYXTSF-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  11.7
• 重原子数：
  29
• 可旋转键数：
  25
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.96
• 拓扑面积：
  43.1
• 氢给体数：
  1
• 氢受体数：
  1

文献信息

• Novel ultrasound contrast agents
  申请人：——

  公开号：US20040170565A1

  公开（公告）日：2004-09-02

  New ultrasound contrast agents that comprise microbubbles encapsulating a gas within a shell made from a blend of bipolar compounds having mixed carbon chain length. The compounds have hydrophobic groups selected from the group consisting of straight-chained alkyls, alkylethers, alkylthiolethers, alkyldisulfides, polyfluoroalkyls, and polyfluoroalkylethers having a carbon chain length greater than or equal to 16 and less than or equal to 32. The polar groups are connected to the hydrophobic groups by means of a linker. The polar head groups are selected from the group consisting of CO 2 -M + , SO 3 − M + , SO 4 − M + , PO 3 − M + , PO 4 − M + 2 , N(R) 4 + , a pyridinium or substituted pyridinium group, and a zwitterionic group; R is selected from the group consisting of —H, —CH 3 , alkyl, cycloalkyl, substituted cycloalkyls containing one or more heteroatoms, and benzyl and can be the same or different; and Z′ is a nonionic and M is a cation.

  新的超声造影剂包括微泡，其内部封装有气体，外壳由混合的双极化合物制成，其碳链长度混合。这些化合物具有疏水基团，所选的疏水基团来自于直链烷基，烷基醚，烷基硫醚，烷基二硫化物，多氟烷基和碳链长度大于或等于16且小于或等于32的多氟烷基醚。极性基团通过连接剂连接到疏水基团上。极性头基团来自于CO2-M+，SO3−M+，SO4−M+，PO3−M+，PO4−M+2，N(R)4+，吡啶或取代吡啶基团和带电离子的基团；R来自于—H，—CH3，烷基，环烷基，含有一个或多个杂原子的取代环烷基和苄基，并且可以相同也可以不同；Z′是非离子性的，M是一个阳离子。
• Irreversible heat-sensitive composition
  申请人：Nichiyu Giken Kogyo Co., Ltd.

  公开号：EP1149880A1

  公开（公告）日：2001-10-31

  An irreversible heat-sensitive composition comprises a mixture of a granular or powdery heat-fusible substance having a melting point corresponding to a temperature to be recorded and a granular or powdery dyestuff diffusible into the fused heat-fusible substance through dispersion or dissolution. A heat-sensitive ink comprises the irreversible heat-sensitive composition and an ink vehicle capable of diffusing the fused heat-fusible substance therein. A heat-sensitive ink according to another embodiment comprises microcapsules, which encapsulate the irreversible heat-sensitive composition. A heat-sensitive indicator comprises a substrate provided thereon with a printed heat-sensitive ink, the heat-sensitive ink being one of these heat-sensitive inks.

  不可逆热敏组合物包括熔点与待记录温度相对应的颗粒状或粉状热敏物质与可通过分散或溶解扩散到熔融热敏物质中的颗粒状或粉状染料的混合物。热敏油墨包括不可逆热敏组合物和能够将熔融热敏物质扩散到其中的油墨载体。根据另一个实施方案，热敏油墨包括封装不可逆热敏组合物的微胶囊。热敏指示器包括一个基板，基板上印有热敏油墨，热敏油墨是这些热敏油墨中的一种。
• ABSORBING RESIN PARTICLES, PROCESS FOR PRODUCING SAME, AND ABSORBENT AND ABSORBING ARTICLE BOTH INCLUDING SAME
  申请人：San-Dia Polymers, Ltd.

  公开号：EP2377897A1

  公开（公告）日：2011-10-19

  There is provided an absorbent resin particle having an absorption rate pattern where the rate is slow in the initial stage, moderate in the middle stage, and fast in the late stage, and there is also provided an absorbent article free from problems such as skin irritation by using the absorbent resin particle. The present invention relates to an absorbent resin particle comprising a crosslinked polymer (A1) including, as an essential constituent unit, a water-soluble vinyl monomer (a1) and/or a hydrolyzable vinyl monomer (a2), and a crosslinking agent (b), wherein, in a measurement method of swelled volume per 1 g of the absorbent resin particle against physiological saline, a ratio (t2/t1) of the time (t2) until swelled volume reaches 40 ml to the time (t1) until the swelled volume reaches 5 ml is 5 to 20.

  本发明提供了一种具有吸收速率模式的吸水性树脂颗粒，其吸收速率在初期阶段较慢，中期阶段适中，后期阶段较快，还提供了一种通过使用该吸水性树脂颗粒而不会产生诸如皮肤刺激等问题的吸水性物品。 本发明涉及一种由交联聚合物（A1）和交联剂（b）组成的吸水性树脂颗粒，交联聚合物（A1）的基本组成单元包括水溶性乙烯基单体（a1）和/或可水解乙烯基单体（a2）、 其中，在测量每 1 克吸水树脂颗粒对生理盐水的溶胀体积的方法中，溶胀体积达到 40 毫升之前的时间（t2）与溶胀体积达到 5 毫升之前的时间（t1）之比（t2/t1）为 5 比 20。
• AQUEOUS-LIQUID-ABSORBABLE RESIN, AQUEOUS-LIQUID-ABSORBABLE COMPOSITION, AND ABSORBER MATERIAL AND ABSORBABLE OBJECT EACH PRODUCED USING SAME
  申请人：Sanyo Chemical Industries, Ltd.

  公开号：EP2690133A1

  公开（公告）日：2014-01-29

  An absorbable resin, for which a large amount of a plant-derived raw material can be used, and which has an excellent capability of absorbing an aqueous liquid, and has a good gel modulus and therefore can exhibit an excellent absorbing capability under pressurized conditions; and an absorbable composition. An absorbable resin produced by binding an oxidized polysaccharide (A1) having a carboxyl group which may be neutralized with a neutralizing agent and/or a crosslinked product thereof (A2) to a poly(meth)acrylic acid (B1) in which at least one carboxyl group may be neutralized with a neutralizing agent and/or a crosslinked product thereof (B2); or an absorbable composition produced by mixing the component (A1) and/or the component (A2) with the component (B1) and/or the component (B2). The component (A1) has a weight average molecular weight of 2,000-10,000,000. The component (A1) has an acid value of 65-850 mgKOH/g. When the component (A1) has a carboxyl group which is neutralized with a neutralizing agent, the acid value of the component (A1) before the neutralization is 65-850 mgKOH/g.

  一种可吸收树脂，可使用大量植物提取原料，具有极佳的吸收水性液体的能力，并具有良好的凝胶模量，因此可在加压条件下表现出极佳的吸收能力；以及一种可吸收组合物。将具有可被中和剂和/或其交联产物（A2）中和的羧基的氧化多糖（A1）与至少一个羧基可被中和剂和/或其交联产物（B2）中和的聚（甲基）丙烯酸（B1）结合而制得的可吸收树脂；或将组分（A1）和/或组分（A2）与组分（B1）和/或组分（B2）混合而制得的可吸收组合物。组分（A1）的重量平均分子量为 2,000-10,000,000 。组分（A1）的酸值为 65-850 mgKOH/g。当组分（A1）具有用中和剂中和的羧基时，中和前组分（A1）的酸值为 65-850 mgKOH/g。
• AQUEOUS LIQUID ABSORBING RESIN, AQUEOUS LIQUID ABSORBING COMPOSITION, AND ABSORBENT BODY AND ABSORBENT ARTICLE USING SAME
  申请人：Sanyo Chemical Industries, Ltd.

  公开号：EP2899224A1

  公开（公告）日：2015-07-29

  An absorbent resin and an absorbent composition that use a large amount of material derived from plants, have excellent aqueous liquid absorbing capability, and have excellent absorbing capability in a compressed state due to having a favorable gel elastic modulus. An absorbent resin made by bonding (A1) an oxidized polysaccharide having a carboxyl group that may be neutralized by a neutralizing agent, and/or (A2) a crosslinked compound thereof with (B1) a poly(meth)acrylic acid where at least one of the carboxyl groups may be neutralized by a neutralizing agent, and/or (B2) a crosslinked compound thereof; or an absorbent composition made by blending (A1) and/or (A2) and (B1) and/or the (B2) ; wherein the weight average molecular weight of (A1) is 2, 000 to 10, 000, 000, the acid value of (A1) is 65 to 524 mgKOH/g, and if (A1) has a carboxyl group that has been neutralized by a neutralizing agent, the acid value prior to neutralizing is 65 to 524 mgKOH/g.

  一种吸水树脂和一种吸水剂组合物，它们使用了大量从植物中提取的材料，具有极佳的水性液体吸收能力，并且由于具有良好的凝胶弹性模量而在压缩状态下具有极佳的吸收能力。一种吸水树脂，通过将（A1）具有可被中和剂中和的羧基的氧化多糖和/或（A2）其交联化合物与（B1）聚（甲基）丙烯酸（其中至少一个羧基可被中和剂中和）和/或（B2）其交联化合物粘合而成；或将(A1)和/或(A2)与(B1)和/或(B2)混合制成的吸水剂组合物；其中(A1)的重量平均分子量为2,000至10,000,000，(A1)的酸值为65至524 mgKOH/g，如果(A1)具有已被中和剂中和的羧基，则中和前的酸值为65至524 mgKOH/g。