Preparation and research of anti-static agents for the transportation of flammable and explosive hazardous chemicals
Polyamine antistatic agents were formed by condensation reactions between different diamines and epichlorohydrin.Based on the ratio of the tertiary amine value to the total amine value of the reaction products,butylene diamine and hexamethylene diamine were selected as the reaction materials.The optimal synthesis conditions were optimized through four factor and four level orthogonal experiments,and the antistatic properties of the two synthesized polyamines PN-1 and PN-2 were evaluated.The results showed that the optimal conditions for the condensation of diamine and epichlorohydrin were reaction time of 6 hours,reaction temperature of 90℃,molar ratio of epichlorohydrin to diamine of 5,and reactant concentration of 50%;When PN-1 and PN-2 were used alone,the anti-static effect was not good.When the dosage was 2mg·L-1,the conductivity of cyclohexane was less than 30pS·m-1;When the mass ratio of PN-1 and PN-2 to polysulfone is 1∶1,at a dosage of 2mg·L-1,the initial conductivity of cyclohexane can reach 150pS·m-1 or above,and after 20 days of storage,the conductivity of cyclohexane can reach 700pS·m-1 or above;At the same time,the products of PN-1 and PN-2 compounded with polysulfone also have anti-static effects on n-hexane.
flammable and explosiveantistatic agentspolyamine reactionpolysulfone
NETL
NSTL
万方数据
