2,3,4,6,6-Pentamethyl-2-heptanethiol | 1083281-29-1

• 分子结构分类: 有机化合物 - 有机硫化合物 - 硫醇
• 英文名称: 2,3,4,6,6-Pentamethyl-2-heptanethiol
• 英文别名: 2,3,4,6,6-pentamethylheptane-2-thiol
• CAS: 1083281-29-1
• 化学式: C₁₂H₂₆S
• 分子量: 202.4
• InChiKey: WZAPHLKBQUBTHP-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5
• 重原子数：
  13
• 可旋转键数：
  4
• 环数：
  0.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  1
• 氢给体数：
  1
• 氢受体数：
  1

文献信息

• MERCAPTAN MIXTURE
  申请人：Obrecht Werner

  公开号：US20080293902A1

  公开（公告）日：2008-11-27

  A novel mixture containing a number of particular mercaptans, a process for preparing it and its use as advantageous molecular weight regulator in the production of synthetic rubbers are provided.

  本发明提供了一种新型混合物，其中包含许多特定的巯基化合物，以及制备该混合物的方法和在合成橡胶生产中作为有利的分子量调节剂的用途。
• NITRILE-GROUP-CONTAINING COPOLYMER RUBBER, CROSSLINKABLE RUBBER COMPOSITION, AND CROSSLINKED RUBBER
  申请人：Zeon Corporation

  公开号：EP3176190A1

  公开（公告）日：2017-06-07

  A nitrile group-containing copolymer rubber containing α,β-ethylenically unsaturated nitrile monomer units in a ratio of 10 to 60 wt% and having a Z-average radius of gyration of 100 nm or more is provided. Preferably, the nitrile group-containing copolymer rubber of the present invention has an iodine value of 120 or less. Further, preferably, the nitrile group-containing copolymer rubber of the present invention has a plasticity number of 14 to 90. According to the present invention, it is possible to provide a nitrile group-containing copolymer rubber able to give a cross-linked rubber excellent in tensile stress, compression set resistance, and low heat buildup property.

  本发明提供了一种含腈基团的共聚橡胶，它含有α，β-乙烯基不饱和腈单体单元，其比例为 10 至 60 wt%，Z 平均回转半径为 100 nm 或更大。优选地，本发明的含腈基共聚橡胶的碘值为 120 或更低。此外，优选地，本发明的含腈基共聚橡胶的塑性数为 14 至 90。根据本发明，可以提供一种含腈基团的共聚橡胶，该橡胶能够提供一种在拉伸应力、抗压缩永久变形和低热积聚特性方面性能优异的交联橡胶。
• METHOD FOR PRODUCING HIGHLY SATURATED NITRILE RUBBER
  申请人：Zeon Corporation

  公开号：EP3252084A1

  公开（公告）日：2017-12-06

  A method of production of a highly saturated nitrile rubber is provided , the method comprising: a polymerization step of polymerizing a monomer mixture containing at least an α,β-ethylenically unsaturated nitrile monomer and diene monomer in a medium to obtain a dispersion or solution of a nitrile rubber; a coagulation step of causing the dispersion or solution of the nitrile rubber to coagulate at 10 to 60°C to obtain a solid form nitrile rubber; and a hydrogenation reaction step of causing the solid form nitrile rubber obtained by the coagulation step to disperse or dissolve in a medium to obtain a dispersion or solution of the nitrile rubber and performing a hydrogenation reaction of the obtained dispersion or solution of the nitrile rubber to thereby obtain a dispersion or solution of a highly saturated nitrile rubber, wherein in the hydrogenation reaction, the content of a compound having a mercapto group having 9 to 12 carbon atoms is 50 wt ppm or less and the content of a compound having a mercapto group having 13 to 16 carbon atoms is 1 to 120 wt ppm with respect to 100 wt% of the content of the nitrile rubber in the dispersion or solution of the nitrile rubber.

  提供了一种生产高饱和丁腈橡胶的方法，该方法包括聚合步骤：在介质中聚合至少含有α，β-乙烯基不饱和丁腈单体和二烯单体的单体混合物，以获得丁腈橡胶的分散体或溶液；凝固步骤：使丁腈橡胶的分散体或溶液在 10 至 60°C 下凝固，以获得固态丁腈橡胶；氢化反应步骤：使凝固步骤得到的固态丁腈橡胶在介质中分散或溶解，得到丁腈橡胶的分散液或溶液，并对得到的丁腈橡胶分散液或溶液进行氢化反应，从而得到高饱和度丁腈橡胶的分散液或溶液、其中，在氢化反应中，具有 9 至 12 个碳原子的巯基的化合物的含量为 50 wt ppm 或更少，具有 13 至 16 个碳原子的巯基的化合物的含量为 1 至 120 wt ppm（相对于丁腈橡胶分散体或溶液中 100 wt% 的丁腈橡胶含量）。
• METHOD FOR PREPARING STYRENE-BUTADIENE RUBBER AND STYRENE-BUTADIENE RUBBER
  申请人：LG Chem, Ltd.

  公开号：EP3309184A1

  公开（公告）日：2018-04-18

  The present invention relates to a method for preparing a styrene-butadiene rubber and a styrene-butadiene rubber prepared thereby, wherein the method is capable of improving physical properties of the styrene-butadiene rubber prepared by, while using a molecular weight adjuster containing two or more ingredients in a polymerization reaction, optimizing the feeding time of each of the ingredient of the molecular weight adjuster. The styrene-butadiene rubber prepared by the preparation method of the present invention has improved properties, such as tensile strength and tensile elongation, and thus, can be favorably used in the manufacturing of a tire having eco-friendly features, wear resistance, and the like

  本发明涉及一种丁苯橡胶的制备方法和由此制备的丁苯橡胶，其中，该方法能够通过在聚合反应中使用含有两种或两种以上成分的分子量调整剂的同时，优化分子量调整剂中每种成分的进料时间来改善所制备丁苯橡胶的物理性能。通过本发明的制备方法制备的丁苯橡胶具有更好的性能，如拉伸强度和拉伸伸长率，因此可用于制造具有环保特性、耐磨性等的轮胎。
• METHOD FOR MANUFACTURING HYDROGENATED NITRILE RUBBER
  申请人：Zeon Corporation

  公开号：EP3708590A1

  公开（公告）日：2020-09-16

  The present invention provides a method for producing a hydrogenated nitrile rubber having an iodine value of 120 or less, the method comprising a first coagulation step of adding a halogen atom-free metal salt as a coagulant to a nitrile rubber latex to form a nitrile rubber coagulum; a solution preparation step of dissolving the nitrile rubber coagulum in an organic solvent to prepare a nitrile rubber solution; a hydrogenation step of subjecting the nitrile rubber solution to a hydrogenation reaction to afford a hydrogenated nitrile rubber solution; and a second coagulation step of adding a divalent metal salt as a coagulant to the hydrogenated nitrile rubber solution to form a hydrogenated nitrile rubber coagulum.

  本发明提供了一种生产碘值小于或等于120的氢化丁腈橡胶的方法，该方法包括第一凝固步骤，向丁腈橡胶胶乳中加入不含卤原子的金属盐作为凝固剂，形成丁腈橡胶凝固液；溶液制备步骤，将丁腈橡胶凝固液溶解在有机溶剂中，制备丁腈橡胶溶液；氢化步骤，将丁腈橡胶溶液进行氢化反应，得到氢化丁腈橡胶溶液；以及第二凝固步骤，将二价金属盐作为凝固剂加入氢化丁腈橡胶溶液中，形成氢化丁腈橡胶凝固液。