ESTER FOR REFRIGERATOR OIL, AND WORKING FLUID COMPOSITION COMPRISING SAME

    公开(公告)号:EP3950906A1

    公开(公告)日:2022-02-09

    申请号:EP20795788.7

    申请日:2020-04-14

    申请人: NOF Corporation

    摘要: (Object) To provide an ester for a refrigerator oil capable of excellent compatibility with a refrigerant in the case that it is used with a non-chlorine-based refrigerant.
    (Solution) An ester for a refrigerator oil is composed of a ester reaction product of a component (A), component (B) and component (C). 0.02 to 0.4 mol of a constituent component derived from the component (B) and 3.2 to 3.96 mol of a constituent component derived from the component (C) are contained with respect to 1.0 mol of a constituent component derived from the component (A), and the formula (1) is satisfied.
    (A) pentaerythritol
    (B) a linear divalent carboxylic acid having 4 to 10 carbon atoms
    (C) a monovalent carboxylic acid having 4 to 10 carbon atoms α ≦ peak group a / peak group b ≦ β α = − 10 × a molar number of a constituent component derived from the component B + 6.5 β = − 10 × the molar number of the constituent component derived from the component B + 7.5 (The peak group (a) is a total of an area of a peak observed in a retention time in 28 to 40 minutes obtained by a gas chromatography, and the peak group (b) is a total of an area of a peak observed in a retention time of 40 to 60 minutes obtained by the gas chromatography described above).

    ESTER FOR REFRIGERATION OIL AND WORKING FLUID COMPOSITION FOR REFRIGERATION OIL
    6.
    发明公开
    ESTER FOR REFRIGERATION OIL AND WORKING FLUID COMPOSITION FOR REFRIGERATION OIL 审中-公开
    酯用于制冷油和工作流体组合物用于制冷油

    公开(公告)号:EP3305878A1

    公开(公告)日:2018-04-11

    申请号:EP16807425.0

    申请日:2016-06-06

    申请人: NOF Corporation

    摘要: An ester for a refrigerator oil is obtained from the following components (A), (B), (C) and (D). The ester contains a unit derived from the component (B) in a ratio of 0.1 to 0.4 mole, a unit derived from the component (C) in a ratio of 0.8 to 2.8 mole and a unit derived from the component (D) in a ratio of 0.3 to 2,3 mole with respect to 1.0 mole of a unit derived from said component (A). The ester has a hydroxyl value of 5 to 40 mgKOH/g and satisfies the formulas (1) and (2). (A) neopentyl glycol; (B) a linear dihydric alcohol having 2 to 6 carbon atoms including carbons at both terminals and hydroxyl groups connected to the carbons at both terminals, respectively; (C) a linear dicarboxylic acid having 4 to 10 carbon atoms including carbons at both terminals and carboxyl groups connected to the carbons at both terminals, respectively; (D) a monohydric alcohol having 6 to 12 carbon atoms; 0.08 ≦ B OH/ (A OH +B OH )≦ 0.15 ···(1); [B OH /(A OH +B OH )] /[B mol /(A mol +B mol )] ≦ 0.9 ... (2); (A OH represents a molar number of terminal hydroxyl groups derived from the component (A); B OH represents a molar number of terminal hydroxyl groups derived from the component (B); A mol represents a molar number of the unit derived from said component (A); and B mol represents a molar number of the unit derived from the component (B))]

    摘要翻译: 由以下组分(A),(B),(C)和(D)获得用于冷冻机油的酯。 该酯含有比例为0.1-0.4摩尔的来自组分(B)的单元,来自组分(C)的比例为0.8-2.8摩尔的单元和来自组分(D)的单元 相对于来自所述成分(A)的单元1.0摩尔,为0.3〜2.3摩尔。 该酯的羟基值为5〜40mgKOH / g,满足式(1)和(2)。 (A)新戊二醇; (B)具有2至6个碳原子的线性二元醇,其分别包括两端的碳和两端连接至碳的羟基; (C)两末端碳原子数分别为4〜10的直链状二羧酸和两末端碳原子分别与羧基连接的羧基; (D)具有6至12个碳原子的一元醇; 0.08≤BOH/(AOH + BOH)≤0.15...(1); [BOH /(AOH + BOH)] / [Bmol /(Amol + Bmol)]≤0.9...(2); (AOH表示源自成分(A)的末端羟基的摩尔数,BOH表示源自成分(B)的末端羟基的摩尔数,Amol表示源自上述成分(A)的单元的摩尔数, ; Bmol表示源自组分(B)的单元的摩尔数)]