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    Method for manufacturing perfluorovinylethers
    6.
    发明授权
    Method for manufacturing perfluorovinylethers 有权
    制造全氟乙烯基醚的方法

    公开(公告)号：US08802899B2

    公开(公告)日：2014-08-12

    申请号：US12996351

    申请日：2009-06-04

    Applicant: Stefano Millefanti ,  Vito Tortelli ,  Giuseppe Marchionni

    Inventor： Stefano Millefanti ,  Vito Tortelli ,  Giuseppe Marchionni

    IPC: C07C41/24 ,  C07C43/17

    CPC classification number: C07C41/24 ,  C07D317/34 ,  C07C43/17

    Abstract: A process for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HFE) having general formula (I-A) or (I-B): wherein Rf represents a C1-C6 perfluoro(oxy)alkyl group; Rf′, Rf″ and Rf′″, equal to or different from each other, independently represent fluorine atoms or C1-C5 perfluoro(oxy)alkyl groups; X and X′, equal to or different from each other, are independently chosen among Cl, Br or I; Rf* and Rf*′, equal to or different from each other, independently represent fluorine atoms or C1-C3 perfluoro(oxy)alkyl groups; Y1 and Y2, equal to or different from each other, independently represent fluorine atoms or C1-C3 perfluoroalkyl groups. The process comprises contacting the halofluoroether (HFE) with hydrogen in the presence of a catalyst comprising at least one transition metal of group VIII B at a temperature of at most 340° C.

    Abstract translation: 一种通过通式（I-A）或（I-B）的卤代氟醚（HFE）的加氢脱卤制备全氟乙烯基醚的方法：其中Rf代表C1-C6全氟（氧）烷基; Rf'，Rf“和Rf”“彼此相同或不同，独立地表示氟原子或C1-C5全氟（氧）烷基; X和X'彼此相同或不同，独立地选自Cl，Br或I; Rf *和Rf *'彼此相同或不同，独立地表示氟原子或C1-C3全氟（氧）烷基; Y1和Y2彼此相同或不同，独立地表示氟原子或C1-C3全氟烷基。 该方法包括在包含至少一种第ⅧB族过渡金属的催化剂存在下，在至多340℃的温度下使卤代氟醚（HFE）与氢气接触。

    Lubricant for magnetic disks, method for producing the lubricant used in the magnetic disks, and method for manufacturing the same
    7.
    发明授权
    Lubricant for magnetic disks, method for producing the lubricant used in the magnetic disks, and method for manufacturing the same 有权
    用于磁盘的润滑剂，用于制造用于磁盘的润滑剂的方法及其制造方法

    公开(公告)号：US08012920B2

    公开(公告)日：2011-09-06

    申请号：US10586150

    申请日：2005-01-12

    Applicant: Koichi Shimokawa

    Inventor： Koichi Shimokawa

    IPC: C10M147/04 ,  C10M145/24 ,  C10M169/04 ,  C07C43/17

    CPC classification number: G11B5/725 ,  C10M107/38 ,  C10M177/00 ,  C10M2213/043 ,  C10M2213/0606 ,  C10N2220/021 ,  C10N2230/06 ,  C10N2230/12 ,  C10N2240/20 ,  C10N2240/204 ,  G11B5/8408

    Abstract: The present invention provides a lubricant for forming a lubricating layer which is useful in preventing fly and stiction and/or corrosion at an extremely small flying height of 10 nm or less, which is prevented from migrating at a high rotational speed of 5400 rpm or more, which has high adhesion, and which is suitable for a load/unload method. A crude lubricant containing at least one perfluoropolyether is degassed and then purified. Alternatively, a liquid crude lubricant containing at least one perfluoropolyether is purified by vaporizing the crude lubricant and then liquefying the vapor of the perfluoropolyether within a distance less than the mean free path of molecules of the perfluoropolyether. A magnetic disk is prepared in such a manner that a carbonaceous protective layer is formed above a substrate and a lubricating layer is formed on the protective layer using of the lubricant. The lubricant contains the perfluoropolyether and has a molecular weight distribution of 1.3 or less.

    Abstract translation: 本发明提供一种用于形成润滑层的润滑剂，该润滑层可用于防止在10nm以下的飞散高度的极小的飞散和/或腐蚀，从而防止在5400rpm或更高的高转速下迁移 ，具有高附着力，适用于装卸方式。 将含有至少一种全氟聚醚的粗润滑油脱气，然后纯化。 或者，含有至少一种全氟聚醚的液体粗润滑油通过汽化粗润滑剂然后在小于全氟聚醚分子的平均自由程度的范围内液化全氟聚醚的蒸气而被纯化。 以这样的方式制备磁盘，即在基材上方形成碳质保护层，并且使用润滑剂在保护层上形成润滑层。 润滑剂含有全氟聚醚，分子量分布为1.3以下。

    Polymerisation of Hexafluoropropylene Oxide
    8.
    发明申请
    Polymerisation of Hexafluoropropylene Oxide 有权
    六氟环氧丙烷的聚合

    公开(公告)号：US20110092665A1

    公开(公告)日：2011-04-21

    申请号：US12934379

    申请日：2009-03-25

    Applicant: Bernard Danner

    Inventor： Bernard Danner

    IPC: C08G65/22 ,  C07C43/17

    CPC classification number: C08G65/226

    Abstract: Process for the oligomerization of hexafluoropropylene oxiyde (HFPO) in which the sum of the dimers, trimers, tetramers, pentamers and hexamers represents less than 20% of the weight of the polymerized HFPO, the oligomers other than the dimers, trimers, tetramers, pentamers and hexamers (the remaining oligomers) having an average molecular weight ranging between 1100 and 4000 g/mol, characterized in that the process comprises the steps of contacting hexafluoropropylene oxide (HFPO) at a temperature between −30° C. to +50° C. with a catalyst system selected from potassium fluoride and di-, tri- or tetraethyleneglycol-dimethylether in the presence of a solvent which is selected from perfluorinated aliphatic or aromatic hydrocarbon with more than 3 and less than 12C-atoms and optionally a polar group but not comprising chlorine or bromine partially fluorinated aliphatic or aromatic hydrocarbon with more than 3 and less than 12C-atoms and optionally a polar group but not comprising chlorine or bromine at a pressure of less than 3 bars by controlled monomer addition continuous feeding or by adding the monomer in one or two portions (shots).

    Abstract translation: 六聚丙烯氧化物（HFPO）的低聚方法，其中二聚体，三聚体，四聚体，五聚体和六聚体的总和小于聚合的HFPO重量的20％，二聚体，三聚体，四聚体，五聚体以外的低聚物 和平均分子量为1100-4000g / mol的六聚体（剩余的低聚物），其特征在于该方法包括在-30℃至+ 50℃的温度下接触六氟环氧丙烷（HFPO） 在选自氟化钾和二 - ，三 - 或四乙二醇 - 二甲醚的催化剂体系中，在选自具有多于3个且小于12个C原子的任何极性基团的全氟化脂族或芳族烃的溶剂存在下，但是 不包含具有多于3个且小于12个C原子的任选的极性基团但不包括chl的氯或溴部分氟化的脂族或芳族烃 通过受控单体加入连续进料或通过在一个或两个部分（射击）中加入单体，在小于3巴的压力下加入溴或溴或溴。

    TFE-based thermoprocessable copolymers
    10.
    发明申请
    TFE-based thermoprocessable copolymers 失效
    基于TFE的热可加工共聚物

    公开(公告)号：US20060025635A1

    公开(公告)日：2006-02-02

    申请号：US11191031

    申请日：2005-07-28

    Applicant: Francesco Triulzi ,  Marco Apostolo ,  Vito Tortelli ,  Marco Galimberti

    Inventor： Francesco Triulzi ,  Marco Apostolo ,  Vito Tortelli ,  Marco Galimberti

    IPC: C07C43/17

    CPC classification number: C08F214/262

    Abstract: TFE-based thermoprocessable copolymers having the following composition, expressed in percentage by moles on the total of the monomers: A) from 0.01 to 15% of the monomer of formula: CF2═CFOCF2OCF3  (a); A1) tetrafluoroethylene from 99.99 to 85%; optionally B) one or more (per)fluorinated comonomers having at least one unsaturation of ethylene type, different from TFE; the sum of the molar percentages A)+B) being such as to give polymers showing at least one melting peak at the thermogravimetric analysis (DSC).

    Abstract translation: 具有以下组成的基于TFE的热可加工共聚物，以单体总量的百分比表示：A）0.01至15％的式的单体：<？在线公式描述=“在线式” （a）;（c）结束=“铅”→（CF 3）2 CF 2 OCF 3（a）; <？in-line-formula description =“In-line formula”end =“tail”？> A1）从99.99到85％的四氟乙烯; 任选地B）一种或多种具有不同于TFE的乙烯类型的至少一个不饱和键的（全）氟化共聚单体; 摩尔百分比A）+ B）的总和使得在热重分析（DSC）下显示出至少一个熔融峰的聚合物。

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