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    BIOFRIENDLY CORROSION-INHIBITING LAYER DEPOSITED FROM FUGITIVE BIODEGRADABLE SOLVENT AND FILM-FORMING OIL
    77.
    发明申请
    BIOFRIENDLY CORROSION-INHIBITING LAYER DEPOSITED FROM FUGITIVE BIODEGRADABLE SOLVENT AND FILM-FORMING OIL 审中-公开
    生物可降解溶剂和成膜油沉积的生物腐蚀抑制层

    公开(公告)号：WO2006036520A1

    公开(公告)日：2006-04-06

    申请号：PCT/US2005/032336

    申请日：2005-09-10

    Applicant: NORTHERN TECHNOLOGIES INTERNATIONAL CORPORATION ,  GENCER, Mehmet, A. ,  KUBIK, Donald, A.

    Inventor： GENCER, Mehmet, A. ,  KUBIK, Donald, A.

    IPC: C10M177/00 ,  C10M169/04

    CPC classification number: C23F11/02 ,  C09D5/008 ,  C09D5/08 ,  C10M169/04 ,  C10M177/00 ,  C10M2201/083 ,  C10M2203/0206 ,  C10M2207/02 ,  C10M2207/0203 ,  C10M2207/026 ,  C10M2207/04 ,  C10M2207/0406 ,  C10M2207/08 ,  C10M2207/085 ,  C10M2207/141 ,  C10M2207/281 ,  C10M2207/2895 ,  C10N2210/01 ,  C10N2230/12 ,  C10N2250/121 ,  C23F11/00 ,  Y10T428/26 ,  Y10T428/31678

    Abstract: A metal article is coated with a thick liquid film of a corrosion inhibiting, substantially anhydrous composition having a pH in the range from 6 but less than 8, containing less than 10 wt % of an ester of a vegetal a oil and less than 2 wt % of a known corrosion inhibitor ("CI") which is required to be at least partially soluble in a solvent which is driven off. The resulting solvent-free ester has a high concentration of CI and coats the surface of a metal part with a thin, essentially invisible, protective oily film which is less than 15 µm thick containing from 10 to 50 wt % of the CI homogeneously dispersed in the film. Depending upon the choice of CI in the protective oily film it may function only as a contact corrosion inhibitor ("CCI"), or the film-coated metal article may function as a vapor corrosion inhibitor ("VCI"), effective VCI over a period from about 4 weeks to 1 year. Such a metal article functions as a VCI, and the article is also protected by the film as a CCI. Whether the article functions as a VCI or the protective oily film functions as a CCI, or both, the CI in the oily film unexpectedly resists depletion in a Water Fog Test over a period of a week.

    Abstract translation: 金属制品涂覆有腐蚀抑制基本上无水的组合物的浓液膜，其pH值在6但小于8的范围内，含有少于10重量％的植物油酯和小于2重量％ 已知的腐蚀抑制剂（“CI”）的％需要至少部分地溶于被驱除的溶剂中。 所得无溶剂的酯具有高浓度的CI，并且涂覆有薄的，基本上不可见的保护性油性薄膜的金属部分的表面，其小于15μm，其含有均匀分散在其中的0.1至10wt 这个电影。 根据保护性油膜中CI的选择，它可能仅作为接触缓蚀剂（“CCI”）起作用，或者膜涂金属制品可用作蒸汽缓蚀剂（“VCI”），有效的VCI 期间约4周至1年。 这种金属制品作为VCI起作用，并且该物品也被作为CCI保护。 无论文章作为VCI或保护性油膜是作为CCI还是两者兼而有之，油性胶片中的CI在一周内意外地抵抗了水雾测试中的耗尽。

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