Hydrotalcite intercalation chloride ion probe modified s-triazole cyclic triazole containing corrosion inhibitor compound and application thereof
A chloride ion probe, azole ring triazole technology, applied in the field of rust inhibitors, can solve the problems of high efficiency, which is only on paper, weaken the application stability and long-term durability of rust inhibitors, and achieve excellent resistance. The effect of rust performance, low comprehensive application cost, and simple preparation method
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[0036] Preparation of Triazole Corrosion Inhibitor Complex Modified by Hydrotalcite Intercalation Chloride Ion Probe
[0037] The first step: prepare the triazole precursor modified by chloride ion probe.
[0038] Press p-aminobenzoic acid in [N + -H...O] molar stoichiometric ratio of hydrogen bond formation by adding 1-benzylideneimino-2-mercapto-5-(1'-(1',2',4'-triazole))methylene In aqueous solution of 1,3,4-triazole polyether rust inhibitor (2.4×10 -3 mol / L), using 2.2 equivalents of HBr for protonation titration to prepare the intercalation precursor of triazole rust inhibitor containing s-triazole ring modified by chloride ion probe.
[0039] The second step: the reaction formula of synthesizing zinc-aluminum hydrotalcite is as follows:
[0040] Zn(NO 3 ) 2 ·6H 2 O+2NaOH=Zn(OH) 2 ↓+2NaNO 3 +6H 2 O (1)
[0041] Al(NO 3 ) 3 9H 2 O+3NaOH=Al(OH) 3 ↓+3NaNO 3 +9H 2 O (2)
[0042] 0.67Zn(OH) 2 +0.33Al(OH) 3 +mH 2 O+0.165Na 2 CO 3 =[Zn 0.67 Al 0.33 (OH) ...
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