1-三氟甲基-4-二氟甲基-2,3,5,6-四氟苯 | 114649-16-0

• 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: 1-三氟甲基-4-二氟甲基-2,3,5,6-四氟苯
• 英文名称: 1-trifluoromethyl-4-difluoromethyl-2,3,5,6-tetrafluorobenzene
• 英文别名: 1-difluoromethyl-4-trifluoromethyltetrafluorobenzene；1-(Difluoromethyl)-2,3,5,6-tetrafluoro-4-(trifluoromethyl)benzene
• CAS: 114649-16-0
• 化学式: C₈HF₉
• 分子量: 268.082
• InChiKey: RMVNLCUIPJLVGC-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.8
• 重原子数：
  17
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  9

反应信息

• 作为反应物：
  描述：

  1-三氟甲基-4-二氟甲基-2,3,5,6-四氟苯 在 铜 、 锌 作用下， 以 水 、 N,N-二甲基甲酰胺 为溶剂， 反应 5.0h， 以25%的产率得到4-甲基七氟甲苯
  参考文献：
  名称：

  Transformations of perfluoroxylenes and perfluoro-p-cymene under the action of Zn(Cu)-D-DMF-H2O.

  摘要：

  Perfluorinated xylenes and perfluoro-para-cymene undergo hydrodefluorination under the action of Zn(Cu)-DMF-H2O. Hydrogen enters mainly at the benzyl position of para-dialkylbenzenes and at the para position to perfluoroalkyl groups of perfluorinated ortho- and meta-xylenes. The process presumably involves radical anions as intermediates. A product of perfluoro-4-methylbenzyl radical trapping by hexene-1 was obtained Quantum-chemical calculations of radical anions of the compounds under investigation have been carried out. (C) 1997, Elsevier Science Ltd.

  DOI：

  10.1016/s0040-4020(96)01090-3
• 作为产物：
  描述：

  4-溴-2,3,5,6-四氟三氟甲苯 在 五氯化磷 、 magnesium 、 cesium fluoride 作用下， 反应 12.0h， 生成 1-三氟甲基-4-二氟甲基-2,3,5,6-四氟苯
  参考文献：
  名称：

  Transformations of perfluoroxylenes and perfluoro-p-cymene under the action of Zn(Cu)-D-DMF-H2O.

  摘要：

  Perfluorinated xylenes and perfluoro-para-cymene undergo hydrodefluorination under the action of Zn(Cu)-DMF-H2O. Hydrogen enters mainly at the benzyl position of para-dialkylbenzenes and at the para position to perfluoroalkyl groups of perfluorinated ortho- and meta-xylenes. The process presumably involves radical anions as intermediates. A product of perfluoro-4-methylbenzyl radical trapping by hexene-1 was obtained Quantum-chemical calculations of radical anions of the compounds under investigation have been carried out. (C) 1997, Elsevier Science Ltd.

  DOI：

  10.1016/s0040-4020(96)01090-3

文献信息

• Fluorinations with complex metal fluorides. Part 9. Fluorinations of toluene and xylene derivatives by means of caesium tetrafluorocobaltate [III]
  作者：John Bailey、Raymond G. Plevey、John Colin Tatlow

  DOI：10.1016/s0022-1139(00)83080-8

  日期：1987.10

  octafluorotoluene (III), together with perfluoromethylcyclohexane (I), and also traces of 2H-heptafluorotoluene and 1-trifluoromethylnonafluorocyclohex-1-ene. Toluene itself gave (difluoromethyl)benzene, fluoro- and difluoro-methylpentafluorobenzene, difluoromethylundecafluorocyclohexane and (I); also traces of di- and tri-fluoromethylnonafluorocyclohex-1-ene: no benzotrifluoride or (III) were detected

  在320°C时，三氟化苯生成一些间氟三氟苯和八氟甲苯（III），以及全氟甲基环己烷（I），还有痕量的2H-七氟甲苯和1-三氟甲基九氟环己-1-烯。甲苯本身得到（二氟甲基）苯，氟-和二氟甲基五氟苯，二氟甲基十一氟环己烷和（I）；还发现了二氟和三氟甲基九氟环己基-1-烯的痕迹：未检测到苯并三氟或（III）。在420℃下的1，3-双（三氟甲基）苯得到4,5,6-三氟-1,3-双（三氟甲基）苯，十氟-1,3-二甲基苯和全氟-1,3-二甲基环己烷。在350℃下，对二甲苯得到1，4-双（二氟甲基）四氟苯，1-二氟甲基-4-三氟甲基四氟苯，十氟-1，4-二甲基苯（XIX）和全氟-1，4-二甲基环己烷（XVIII）。400°C; 得到分别为（III）和（XIX）的碳氟化合物芳烃。
• ABSORBENT RESIN PARTICLE, AND ABSORBER AND ABSORBENT ARTICLE EMPLOYING THE SAME
  申请人：San-Dia Polymers, Ltd.

  公开号：EP1659144A1

  公开（公告）日：2006-05-24

  An absorbent resin particle comprising a crosslinked polymer (A) and a hydrophobic substance (C), the crysslinked polymer (A) including, as essential constituent units, a water-soluble vinyl monomer (a1), and/or a vinyl monomer (a2) that is formed into the water-soluble vinyl monomer (a1) by hydrolysis, and an internal crosslinking agent (b), is provided, wherein the absorbent resin particle has a structure such that a part or an entirety of the hydrophobic substance (C) is contained in the inside of each particle of the absorbent resin particle. Further, an absorber and an absorbent article in which the foregoing absorbent resin particle is employed are provided also. It is possible to provide the absorbent resin particle applicable for forming an absorbent article that exhibits a high absorption performance (absorption amount and absorption rate) under any condition and is substantially free from leakage, and an absorber as well as an absorbent article in which this absorbent resin particle are employed.

  一种由交联聚合物（A）和疏水性物质（C）组成的吸水性树脂颗粒，交联聚合物（A）包括作为基本组成单元的水溶性乙烯基单体（a1）和/或通过水解形成水溶性乙烯基单体（a1）的乙烯基单体（a2），以及内部交联剂（b）、和内部交联剂 (b)，其中吸水性树脂颗粒具有这样一种结构，即部分或全部疏水性物质 (C) 包含在吸水性树脂颗粒的每个颗粒内部。此外，还提供了采用上述吸水树脂颗粒的吸收剂和吸收制品。 可以提供适用于形成在任何条件下都能表现出高吸收性能（吸收量和吸收率）且基本无泄漏的吸收制品的吸收树脂颗粒，以及使用该吸收树脂颗粒的吸收器和吸收制品。
• 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。
• Absorbent article containing a water-absorbent resin powder
  申请人：LIVEDO CORPORATION

  公开号：US10052401B2

  公开（公告）日：2018-08-21

  To provide an absorbent article that has a high absorption speed, is unlikely to cause a liquid to remain on a skin-contacting surface, has excellent dry feeling, and is unlikely to cause excreted body fluid to return. The present invention provides an absorbent article comprising an absorber composed of at least one absorbent layer, wherein a water-absorbent resin powder meeting the following requirements (a) to (d) is disposed in an uppermost layer of the absorber: (a) a bulk density: 0.45 g/ml to 0.62 g/ml; (b) an absorption speed by a vortex method: 20 seconds to 50 seconds; (c) a liquid-passing speed under load: 10 seconds or less; and (d) a moisture absorption blocking ratio: 5% or less.

  提供一种吸收速度快、不易使液体残留在皮肤接触面上、干爽感极佳且不易使排出体外的体液回流的吸收制品。本发明提供了一种吸收制品，它包括由至少一个吸收层组成的吸收器，其中符合以下要求（a）至（d）的吸水性树脂粉末被放置在吸收器的最上层：（a）体积密度：0.45 克/毫升至 0.62 克/毫升；（b）涡流法吸收速度：20 秒至 50 秒；（c）负载下液体通过速度：10 秒或更短；以及（d）吸水性树脂粉末的体积密度：0.45 克/毫升至 0.62 克/毫升：(d) 吸湿阻塞率：5%或更低。
• Absorbent article having absorbent body and diffusion layer
  申请人：LIVEDO CORPORATION

  公开号：US10071001B2

  公开（公告）日：2018-09-11

  An objective of the present invention is to provide an absorbent article having an excellent absorption speed of body fluid and excellent dryness after absorbing body fluid. The absorbent article of the present invention comprises: an absorbent body where a water absorbent resin powder meeting the following requirements (a) to (c) is disposed, (a) an absorption speed measured by a vortex method: 20 seconds to 50 seconds, (b) a liquid passing speed under load: 10 seconds or less, (c) a moisture absorption blocking ratio: 5% or less; and a diffusion layer composed of a synthetic fiber assembly substantially having no water absorption.

  本发明的目的是提供一种吸收体液速度极快、吸收体液后干燥度极佳的吸收制品。本发明的吸收制品包括：放置符合以下要求（a）至（c）的吸水性树脂粉末的吸收体，（a）用涡流法测得的吸收速度：20 秒至 50 秒，（b）负载下的液体通过速度：10 秒或更短，（c）吸湿阻隔率：5% 或更低：(c) 吸湿阻塞率：5%或更低；以及由基本上不吸水的合成纤维组件组成的扩散层。