Corrosion inhibitors for cement compositions
    11.
    发明授权
    Corrosion inhibitors for cement compositions 失效
    水泥组合物的腐蚀抑制剂

    公开(公告)号:US6071436A

    公开(公告)日:2000-06-06

    申请号:US631490

    申请日:1996-04-12

    Abstract: Compositions and methods relating to cementitious compositions are provided. The addition of an amidoamine that is the reaction product of polyalkylenepolyamines and short-chain alkanedioic acids or reactive derivatives thereof to cementitious compositions has been found useful in inhibiting the corrosion of ferrous metal articles in contact with said composition. The amidoamine is advantageously employed in combination with a hydrophobe compound that enhances corrosion inhibition. The invention also provides aqueous emulsions which contain the amidoamine, one or more hydrophobes, and an emulsifier for the hydrophobe.

    Abstract translation: 提供了与水泥组合物相关的组合物和方法。 已经发现将聚亚烷基多胺和短链链烷二酸或其反应性衍生物的反应产物的酰氨基胺加入水泥质组合物中可用于抑制与所述组合物接触的黑色金属制品的腐蚀。 酰氨基胺有利地与增强腐蚀抑制的疏水化合物组合使用。 本发明还提供含有氨基胺,一种或多种疏水物和用于疏水物的乳化剂的水性乳液。

    Thiol ester corrosion inhibition system
    13.
    发明授权
    Thiol ester corrosion inhibition system 失效
    硫醇酯腐蚀抑制系统

    公开(公告)号:US4744948A

    公开(公告)日:1988-05-17

    申请号:US62025

    申请日:1987-06-04

    CPC classification number: C09K8/54 C23F11/161 Y10S507/939

    Abstract: A series of water-dispersible corrosion inhibiting solutions and a method of using these solutions are disclosed which contain a thiol ester represented by the formula ##STR1## wherein R is an alkyl group having about 8 to about 22 carbon atoms, or an alkyl or alkylaryl group that is the nucleus of a dimerized fatty acid having about 28 to about 36 carbon atoms, X is a dithiol having about 1 to about 5 carbon atoms, m=0 where R has about 8 to about 22 carbon atoms, m=0 or 1 where R has about 28 to about 36 carbon atom. It has been discovered that the use of these thiol esters along or the addition of the thiol esters to organic inhibitor systems reduces corrosion.

    Abstract translation: 公开了一系列水分散性腐蚀抑制溶液和使用这些溶液的方法,其中含有由下式表示的硫醇酯:其中R为具有约8至约22个碳原子的烷基,或烷基或烷基芳基 基团,其是具有约28至约36个碳原子的二聚脂肪酸的核,X是具有约1至约5个碳原子的二硫醇,m = 0,其中R具有约8至约22个碳原子,m = 0或 其中R具有约28至约36个碳原子。 已经发现,使用这些硫醇酯或将硫醇酯加入到有机抑制剂体系中减少了腐蚀。

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