2-mercaptobenzimidazole/polyaniline anticorrosion composite material and preparation method thereof
A technology of mercaptobenzimidazole and composite materials, applied in the direction of anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of poor mechanical properties, low solubility, hindering applications, etc., and achieve poor mechanical properties and controllable process , Improve the effect of processing performance
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Embodiment 1
[0036] Take 5.02mL of concentrated HCl (that is, HCl solution with a concentration of not less than 37% by mass) and dissolve it in 80mL of deionized water, and stir to completely dissolve it. Weigh 0.4506 g of 2-mercaptobenzimidazole and add it into the above HCl solution, after mechanically stirring for 2 hours, add 0.9 mL of aniline and continue stirring at high speed for 1 hour. Dissolve 2.28g of ammonium persulfate (that is, APS) in 20mL of deionized water, stir until dissolved, then slowly add it dropwise into the reaction system with a dropping funnel, keep the temperature at about 25°C, and react for 5 hours. After the reaction, the obtained product was alternately washed with ethanol and deionized water until neutral, then suction-filtered, and vacuum-dried at 60° C. for 12 hours to obtain 2-mercaptobenzimidazole / polyaniline nanofibers.
[0037] The prepared 2-mercaptobenzimidazole / polyaniline nanofiber, epoxy resin, dispersant and n-butanol are mixed in parts by mass...
Embodiment 2
[0039] Dissolve 5.02mL of concentrated HCl in 80mL of deionized water and stir to dissolve it completely. Weighed 0.2253 g of 2-mercaptobenzimidazole and added it to the above HCl solution, stirred mechanically for 2 hours, then added 0.9 mL of aniline and continued stirring at high speed for 1 hour. Dissolve 2.28g of ammonium persulfate (that is, APS) in 20mL of deionized water, stir until dissolved, then slowly add it dropwise into the reaction system with a dropping funnel, keep the temperature at about 25°C, and react for 5 hours. After the reaction, the obtained product was alternately washed with ethanol and deionized water until neutral, then suction-filtered, and vacuum-dried at 60° C. for 12 hours to obtain a 2-mercaptobenzimidazole / polyaniline complex.
[0040] The prepared 2-mercaptobenzimidazole / polyaniline nanofiber, epoxy resin, dispersant and n-butanol are mixed in parts by mass 8:80:2:10 to obtain component A, and the curing agent and n-butanol Mix evenly at a...
Embodiment 3
[0042] Dissolve 7.53mL of concentrated HCl in 80mL of deionized water and stir to dissolve it completely. Weigh 0.4506 g of 2-mercaptobenzimidazole and add it into the above HCl solution, after mechanically stirring for 2 hours, add 0.9 mL of aniline and continue stirring at high speed for 1 hour. Dissolve 2.28g of ammonium persulfate (that is, APS) in 20mL of deionized water, stir until dissolved, then slowly add it dropwise into the reaction system with a dropping funnel, keep the temperature at about 25°C, and react for 5 hours. After the reaction, the obtained product was alternately washed with ethanol and deionized water until neutral, then suction-filtered, and vacuum-dried at 60° C. for 12 hours to obtain a 2-mercaptobenzimidazole / polyaniline complex.
[0043]The prepared 2-mercaptobenzimidazole / polyaniline nanofiber, epoxy resin, dispersant and n-butanol are mixed in parts by mass 8:80:2:10 to obtain component A, and the curing agent and n-butanol Mix evenly at a rat...
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