Hydrotalcite intercalation chloride ion probe modified triazole corrosion inhibitor compound containing Schiff base and application thereof
A technology of Schiff base triazole and chloride ion probes, which is applied in the field of rust inhibitors, can solve the problems of weakening the application stability and long-term durability of rust inhibitors, and the performance of high efficiency is only on paper, and achieves a comprehensive The effect of low application cost, excellent rust resistance and good environmental compatibility
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[0037] Preparation of Triazole Corrosion Inhibitor Complex Modified by Hydrotalcite Intercalation Chloride Ion Probe
[0038] The first step: prepare the triazole precursor modified by chloride ion probe.
[0039] Press p-aminobenzoic acid in [N + -H...O] molar stoichiometric ratio of hydrogen bond formation by adding 1-(2"-nitrophenyl)methanimino-2-mercapto-5-(1'-(1',2',4'-tri Azole))methylene 1,3,4-triazole polyether rust inhibitor aqueous solution (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 Schiff base modified by chloride ion probe.
[0040] The second step: the reaction formula of synthesizing zinc-aluminum hydrotalcite is as follows:
[0041] Zn(NO 3 ) 2 ·6H 2 O+2NaOH=Zn(OH) 2 ↓+2NaNO 3 +6H 2 O (1)
[0042] Al(NO 3 ) 3 9H 2 O+3NaOH=Al(OH) 3 ↓+3NaNO 3 +9H 2 O (2)
[0043] 0.67Zn(OH) 2 +0.33Al(OH) 3 +mH 2 O+0.165Na 2 CO 3
[0044] =[Zn 0.67 al ...
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