2-Dodecylhexadecyl 2-methylprop-2-enoate

• 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: 2-Dodecylhexadecyl 2-methylprop-2-enoate
• 英文别名: 2-dodecylhexadecyl 2-methylprop-2-enoate
• 化学式: C₃₂H₆₂O₂
• 分子量: 478.8
• InChiKey: IZTZOTCMIVLHCZ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  15.3
• 重原子数：
  34
• 可旋转键数：
  28
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.91
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  2

文献信息

• VISCOSITY INDEX IMPROVER AND LUBRICATING OIL COMPOSITION
  申请人：Sanyo Chemical Industries, Ltd.

  公开号：EP3093334A1

  公开（公告）日：2016-11-16

  The present invention aims to provide a viscosity index improver excellent in shear stability and having a low HTHS viscosity and a high viscosity index. The viscosity index improver of the present invention contains a (co)polymer (A) containing a polyolefin-based monomer as an essential monomer unit, and a base oil, wherein the absolute value of difference in solubility parameter between the (co) polymer (A) and the base oil is 0.8 to 2.0 (cal/cm3)1/2.

  本发明旨在提供一种剪切稳定性优异、HTHS 粘度低且粘度指数高的粘度指数改进剂。本发明的粘度指数改进剂包含含有聚烯烃基单体作为基本单体单元的（共）聚合物（A）和基础油，其中（共）聚合物（A）和基础油之间溶解度参数差异的绝对值为 0.8 至 2.0（卡/立方厘米）1/2。
• VISCOSITY INDEX-IMPROVING COMPOSITION AND LUBRICATING OIL COMPOSITION
  申请人：Sanyo Chemical Industries, Ltd.

  公开号：EP3992271A1

  公开（公告）日：2022-05-04

  The present invention aims to provide a viscosity index improver composition and a lubricating oil composition having a low HTHS viscosity at 100°C, an excellent shear stability, and an excellent low temperature viscosity. The present invention relates to, for example, a viscosity index improver composition (C), containing: a copolymer (A) containing a polyolefin-based monomer (a) represented by the following formula (1) as a constituent monomer; a copolymer (B) containing a (meth)acrylic acid alkyl ester (c) having a C12-C15 straight-chain or branched alkyl group and a (meth)acrylic acid alkyl ester (d) having a C16-C20 straight-chain or branched alkyl group as constituent monomers; and a base oil, wherein a weight average molecular weight ratio (A)/(B)} of the copolymer (A) to the copolymer (B) is 2 to 55, and a weight ratio (A/B) of the copolymer (A) to the copolymer (B) constituting the viscosity index improver composition (C) is 5 to 100:

  本发明旨在提供一种粘度指数改进剂组合物和一种润滑油组合物，其在 100°C 时具有较低的 HTHS 粘度、出色的剪切稳定性和出色的低温粘度。例如，本发明涉及一种粘度指数改进剂组合物（C），其中含有一种共聚物 (A)，其组成单体包含由下式 (1) 表示的聚烯烃基单体 (a)；一种共聚物 (B)，其组成单体包含具有 C12-C15 直链或支链烷基的(甲基)丙烯酸烷基酯 (c) 和具有 C16-C20 直链或支链烷基的(甲基)丙烯酸烷基酯 (d)；和基础油，其中共聚物(A)与共聚物(B)的重量平均分子量比(A)/(B)}为 2 至 55，构成粘度指数改进剂组合物(C)的共聚物(A)与共聚物(B)的重量比(A/B)为 5 至 100：
• Viscosity index improver, lubricant composition, and method for manufacturing lubricant composition
  申请人：SANYO CHEMICAL INDUSTRIES, LTD.

  公开号：US10336961B2

  公开（公告）日：2019-07-02

  The present invention provides a viscosity index improver having an excellent viscosity index improving effect, a lubricant composition having excellent low-temperature viscosity in which the viscosity reduction due to long-term use is small, and a method for producing the lubricant composition. A viscosity index improver of the present invention contains a copolymer (A) containing, as monomer units, an alkyl (meth)acrylate (a) whose alkyl group contains 5 or more carbon atoms, and an alkyl (meth)acrylate (b) whose alkyl group contains 1 to 4 carbon atoms, wherein the alkyl group of the alkyl (meth)acrylate (a) whose alkyl group contains 5 or more carbon atoms has a molar-average carbon number (Q) of 29 or more, and the alkyl (meth)acrylate (b) whose alkyl group contains 1 to 4 carbon atoms is contained as a monomer unit in an amount of 38 to 75% by weight based on the weight of the copolymer (A).

  本发明提供了一种具有优异粘度指数改进效果的粘度指数改进剂、一种具有优异低温粘度且因长期使用而导致的粘度降低较小的润滑油组合物，以及一种生产该润滑油组合物的方法。本发明的粘度指数改进剂包含一种共聚物 (A)，其单体单元含有烷基含有 5 个或更多碳原子的烷基（甲基）丙烯酸酯 (a) 和烷基含有 1 至 4 个碳原子的烷基（甲基）丙烯酸酯 (b)、其中，烷基含有 5 个或更多碳原子的烷基（甲基）丙烯酸酯（a）的烷基的摩尔平均碳数（Q）为 29 或更多，烷基含有 1 至 4 个碳原子的烷基（甲基）丙烯酸酯（b）作为单体单元的含量为共聚物（A）重量的 38% 至 75%。
• Viscosity index improver and lubricating oil composition
  申请人：SANYO CHEMICAL INDUSTRIES, LTD.

  公开号：US11008528B2

  公开（公告）日：2021-05-18

  A viscosity index improver containing a copolymer (A) whose essential constituent monomer is a monomer (a) having a number average molecular weight of 800 to 4,000 represented by the following formula (1), the copolymer (A) having a solubility parameter in the range of 9.00 to 9.40: wherein R1 is a hydrogen atom or a methyl group; —X1— is a group represented by —O—, —O(AO)m—, or —NH—, AO is a C2-C4 alkyleneoxy group, m is an integer of 1 to 10, each AO may be the same or different when m is 2 or more, and the (AO)m moieties may be randomly bonded or block-bonded; R2 is a residue after removal of one hydrogen atom from a hydrocarbon polymer whose essential constituent monomer is butadiene in which the butadiene is present in a proportion of 50% by weight or more based on the weight of R2, or after removal of one hydrogen atom from a polymer formed by partial hydrogenation of the hydrocarbon polymer; and p represents a number of 0 or 1.

  一种粘度指数改进剂，含有一种共聚物 (A)，其主要组成单体是平均分子量在 800 至 4000 之间的单体 (a)，如下式 (1) 所示，共聚物 (A) 的溶解度参数在 9.00 至 9.40 之间： 其中 R1 是氢原子或甲基；-X1- 是由 -O-、-O(AO)m- 或 -NH- 代表的基团，AO 是 C2-C4 烷氧基，m 是 1 至 10 的整数，当 m 为 2 或更多时，每个 AO 可以相同或不同，(AO)分子可以是无规键合或嵌段键合；R2 为从烃聚合物中去除一个氢原子后的残留物，该烃聚合物的主要组成单体为丁二烯，其中丁二烯的存在比例为 50%（重量）或以上（基于 R2 的重量），或为从烃聚合物部分氢化形成的聚合物中去除一个氢原子后的残留物；p 代表 0 或 1 的数字。
• LUBRICANTS CONTAINING BLENDS OF POLYMERS
  申请人：The Lubrizol Corporation

  公开号：EP3119860A1

  公开（公告）日：2017-01-25