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Issue:
STUDY ON CORROSION INHIBITION BY N-SULFONIC AMINO-DIMETHYLENEPHOSPHONIC ACID
Author(s):
YANG Wen-zhong
,
ZHOU Ben-sheng
Pages:
105
-
110
Year:
2000
Issue:
2
Journal:
JOURNAL OF CHINESE SOCIETY FOR CORROSION AND PROTECTION
Keyword:
有机多元膦酸
;
缓蚀作用
;
N-磺酸基-氨基二甲叉膦酸
;
Abstract:
合成了一种新型有机多元膦酸--N-磺酸基-氨基二甲叉膦酸(SADP),研究了它在0.10mol/L硫酸溶液中对0Cr13不锈钢的缓蚀作用,并与另外两种常用的有机多元膦酸:氨基三甲叉膦酸(ATMP)和羟基乙叉二膦酸(HEDP)进行了对比.结果表明:它们对不锈钢的缓蚀作用机理主要是吸附覆盖作用,属于Langmuir吸附;SADP的缓蚀性能优于ATMP和HEDP.其缓蚀能力次序为:ηSADP>ηATMP>ηHEDP.
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