2,2,3,3,4,4,5,5,6,6,7,7,8,8-十四氟辛酸 | 13973-14-3

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 中文名称: 2,2,3,3,4,4,5,5,6,6,7,7,8,8-十四氟辛酸
• 英文名称: ω-Hydroperfluorocaprylsaeure
• 英文别名: 8H-Perfluorooctanoic acid；2,2,3,3,4,4,5,5,6,6,7,7,8,8-tetradecafluorooctanoic acid
• CAS: 13973-14-3
• 化学式: C₈H₂F₁₄O₂
• 分子量: 396.08
• InChiKey: AEBAYKKLSQLBDU-UHFFFAOYSA-N

物化性质

• 沸点：
  203.6±35.0 °C(Predicted)
• 密度：
  1.706±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  4.7
• 重原子数：
  24
• 可旋转键数：
  7
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.88
• 拓扑面积：
  37.3
• 氢给体数：
  1
• 氢受体数：
  16

安全信息

• 海关编码：
  2915900090

反应信息

• 作为产物：
  描述：

  1,2-Epoxy-8-hydroperfluorooctane 在 水 、 三乙胺 作用下， 生成 2,2,3,3,4,4,5,5,6,6,7,7,8,8-十四氟辛酸
  参考文献：
  名称：

  Perfluorinated?-oxides

  摘要：

  DOI：

  10.1007/bf00664829

文献信息

• METHOD FOR RECOVERING ANIONIC FLUORINATED EMULSIFIER
  申请人：Haga Junko

  公开号：US20120271065A1

  公开（公告）日：2012-10-25

  To provide a method for recovering an anionic fluorinated emulsifier, capable of easily and efficiently recovering an anionic fluorinated emulsifier adsorbed on a basic ion exchange resin. A basic ion exchange resin is brought into contact with a mixture of an aqueous inorganic acid solution and a non-aqueous fluorinated medium, or the basic ion exchange resin is brought into contact with an aqueous inorganic acid solution and then brought into contact with a non-aqueous fluorinated medium, then a phase of the non-aqueous fluorinated medium is recovered, and an acid of the anionic fluorinated emulsifier is recovered from the phase of the non-aqueous fluorinated medium.

  提供一种恢复阴离子氟化乳化剂的方法，能够轻松高效地恢复吸附在碱性离子交换树脂上的阴离子氟化乳化剂。将碱性离子交换树脂与水溶无机酸溶液和非水氟化介质的混合物接触，或将碱性离子交换树脂与水溶无机酸溶液接触，然后再将其与非水氟化介质接触，然后恢复非水氟化介质的相，并从非水氟化介质相中恢复阴离子氟化乳化剂的酸。
• Method for absorbing and recovering fluorine-containing emulsifier
  申请人：ASAHI GLASS COMPANY LTD.

  公开号：EP1314700A1

  公开（公告）日：2003-05-28

  A method for adsorbing and recovering a fluorine-containing emulsifier at a high recovery from coagulation waste water of a fluoropolymer, is presented. An inorganic acid is added to coagulation waste water of a fluoropolymer containing a fluorine-containing emulsifier, to adjust the pH of the waste water to a level of at least 1 and less than 6, then a metal chloride having a solubility of at least 5 mass% in water at 25°C, or a hydrate of the metal chloride, is added to the waste water, to coagulate and remove a solid content and/or a substance convertible to a solid content, contained in the waste water, and then the waste water is contacted to a weakly basic anion exchange resin.

  本发明提出了一种从含氟聚合物的混凝废水中以高回收率吸附和回收含氟乳化剂的方法。在含有含氟乳化剂的含氟聚合物的混凝废水中加入一种无机酸，将废水的 pH 值调节到至少为 1 但小于 6 的水平，然后在 25°C 的水中加入一种溶解度至少为 5 质量％的金属氯化物或金属氯化物的水合物、或该金属氯化物的水合物，使废水中含有的固体成分和/或可转化为固体成分的物质凝结并去除，然后将废水与弱碱性阴离子交换树脂接触。
• PROCESS FOR THE RECOVERY OF FLUORINE-CONTAINING EMULSIFIERS
  申请人：Sasakura Engineering Co. Ltd.

  公开号：EP1514848A1

  公开（公告）日：2005-03-16

  An aqueous solution containing a fluorine-containing emulsifier in a low concentration of at least 1 ppm by mass and at most 1% by mass (e.g., coagulation waste water after an emulsion polymerization of a fluoropolymer and/or an aqueous solution obtained by washing with an aqueous solution a waste gas from a drying process and/or a heat treating process of the fluoropolymer) is subjected to vacuum concentration under a pressure of at most 100 kPa and a temperature of the aqueous solution of at most 100°C by means of a heating tube surface evaporation type concentrator equipped with a heat pump or the like, and the fluorine-containing emulsifier is recovered from a highly concentrated aqueous solution containing the fluorine-containing emulsifier in a higher concentration of at least 5% by mass. According to the present method, the fluorine-containing emulsifier can be recovered with a high yield from a low-concentration liquid such as coagulation waste water of a fluoropolymer.

  含有含氟乳化剂的低浓度水溶液，其质量浓度至少为 1 ppm，最多不超过 1%（例如：含氟聚合物乳液聚合后的凝结废水和/或用水溶液洗涤含氟聚合物干燥过程和/或热处理过程中产生的废气而得到的水溶液）、含氟聚合物乳液聚合后的凝结废水和/或用水溶液洗涤含氟聚合物干燥工序和/或热处理工序产生的废气后得到的水溶液），在压力不超过 100 kPa 和水溶液温度不超过 100°C 的条件下，通过配备热泵或类似装置的加热管表面蒸发型浓缩器进行真空浓缩、从高浓度水溶液中回收含氟乳化剂，高浓度含氟乳化剂的质量浓度至少为 5%。根据本方法，可从低浓度液体（如含氟聚合物的凝结废水）中高产率地回收含氟乳化剂。
• METHOD FOR FORMING MULTILAYER RESIST
  申请人：DAIKIN INDUSTRIES, LTD.

  公开号：EP1686425A1

  公开（公告）日：2006-08-02

  There is formed a laminated resist which exhibits sufficient reflection reducing effect in a photolithography process using light of vacuum ultraviolet region and also has sufficient developing characteristics in a developing process. The method of forming the laminated photoresist comprises (I) a step for forming the photoresist layer (L1) on a substrate and (II) a step for forming the antireflection layer (L2) on the photoresist layer (L1) by applying the coating composition containing the fluorine-containing polymer (A) having hydrophilic group Y. The fluorine-containing polymer (A) contains a structural unit derived from a fluorine-containing ethylenic monomer having hydrophilic group Y and is characterized in that (i) the hydrophilic group Y contains an acidic OH group having a pKa value of not more than 11, (ii) a fluorine content is not less than 50 % by mass, and (iii) the number of moles of the hydrophilic group Y in 100 g of the fluorine-containing polymer (A) is not less than 0.14.

  形成了一种层状光刻胶，它在使用真空紫外区光的光刻工艺中显示出足够的减反射效果，并且在显影工艺中具有足够的显影特性。形成层状光刻胶的方法包括：(I) 在基底上形成光刻胶层 (L1) 的步骤；(II) 在光刻胶层 (L1) 上形成抗反射层 (L2) 的步骤，该步骤通过涂敷含有亲水基团 Y 的含氟聚合物 (A) 的涂层组合物来实现。含氟聚合物(A)含有由具有亲水基团 Y 的含氟乙烯单体衍生的结构单元，其特征在于：(i) 亲水基团 Y 含有 pKa 值不大于 11 的酸性 OH 基团；(ii) 氟含量不小于 50%（按质量计）；(iii) 100 克含氟聚合物(A)中亲水基团 Y 的摩尔数不小于 0.14。
• METHOD FOR PRODUCING AQUEOUS FLUORINE-CONTAINING POLYMER DISPERSION WITH REDUCED FLUORINE-CONTAINING EMULSIFIER CONTENT
  申请人：Asahi Glass Company, Limited

  公开号：EP2093239A1

  公开（公告）日：2009-08-26

  The present invention provides a process for producing an aqueous fluorinated polymer dispersion having a reduced content of a fluorinated emulsifier by using a weakly basic anion-exchange resin to let it adsorb and remove a fluorinated emulsifier with excellent efficiency from an aqueous fluorinated polymer dispersion. A process for producing an aqueous fluorinated polymer dispersion having a reduced content of a fluorinated emulsifier, which comprises adding an organic carboxylic acid represented by the following formula (1):         Q(CH2)m(CH(OH))nCOOH     (1) (wherein Q is H, CH3 or COOH, each of m and n which are independent of each other, is 0 or an integer of from 1 to 4, and 4≧n+m≧1.) to an aqueous fluorinated polymer dispersion containing a fluorinated emulsifier, followed by contact with a weakly basic anion-exchange resin to adsorb and remove the fluorinated emulsifier.

  本发明提供了一种生产含氟聚合物水分散液的工艺，该工艺通过使用弱碱性阴离子交换树脂，使其从含氟聚合物水分散液中高效吸附并去除含氟乳化剂，从而降低了含氟乳化剂的含量。 一种减少含氟乳化剂含量的含氟聚合物水分散液的生产工艺，包括加入下式(1)代表的有机羧酸： Q(CH2)m(CH(OH))nCOOH (1) (其中 Q 是 H、CH3 或 COOH，相互独立的 m 和 n 均为 0 或 1 至 4 的整数，且 4≧n+m≧1。) 将氟化聚合物分散液加入含有氟化乳化剂的含水聚合物分散液中，然后与弱碱性阴离子交换树脂接触，以吸附并除去氟化乳化剂。