Anticorrosion means and compositions containing same
    1.
    发明授权
    Anticorrosion means and compositions containing same 失效
    防腐方法和含有其的组合物

    公开(公告)号:US4613450A

    公开(公告)日:1986-09-23

    申请号:US715918

    申请日:1985-03-25

    摘要: This invention relates to a corrosion inhibitor for protecting metallic surfaces which are in contact with water, in particular circuits, apparatus and devices which use water as energetic or thermic fluid, said corrosion inhibitor being a fluorophosphate compound selected from the group consisting of:(i) compound of the formula M.sub.2.sup.I PO.sub.3 F, xH.sub.2 O(ii) compound of the formula LiM.sup.I PO.sub.3 F, xH.sub.2 O(iii) compound of the formula NaM.sup.I PO.sub.3 F, xH.sub.2 O(iv) compound of the formula M.sup.II PO.sub.3 F, xH.sub.2 O(v) compound of the formula M.sub.2.sup.I M.sup.II (PO.sub.3 F).sub.2, xH.sub.2 O(vi) compound of the formula M.sup.I PO.sub.2 F.sub.2, xH.sub.2 O(vii) compound of the formula M.sup.II (PO.sub.2 F.sub.2).sub.2, x H.sub.2 O(wherein M.sup.I is Na, K, Rb, Cs or HN.sub.4 ; M.sup.II is Mg, Ca, Ba, Sr, Zn, Cd, Mn, Ni or Co; and x is an integer or a fractional number comprised between 0 and 6) and(viii) mixtures thereof.

    摘要翻译: 本发明涉及用于保护与水接触的金属表面的腐蚀抑制剂,特别是使用水作为能量或热流体的电路,设备和装置,所述腐蚀抑制剂是选自以下的氟磷酸盐化合物:(i (Ⅹ)式NaMIPO3F,xH2O化合物(ⅳ)式MIIPO3F化合物,xH2O(Ⅴ)式M2IMII(PO3F)2化合物 ,xH 2 O(vi)式MIPO 2 F 2的化合物,xH 2 O(vii)式MII(PO 2 F 2)2的化合物,x H 2 O(其中MI是Na,K,Rb,Cs或HN 4; MII是Mg,Ca,Ba,Sr ,Zn,Cd,Mn,Ni或Co; x是0至6之间的整数或分数)和(viii)其混合物。