光穩(wěn)定劑uv1084的合成及中間體2，239;硫代雙對叔辛基苯酚的萃取性能研究

1、河北工業(yè)大學(xué)碩士學(xué)位論文光穩(wěn)定劑UV-1084的合成及中間體2，2'-硫代雙對叔辛基苯酚的萃取性能研究姓名：王凱申請學(xué)位級別：碩士專業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：李效軍20080301光穩(wěn)定劑 UV-1084 的合成及中間體 2,2’-硫代雙對叔辛基苯酚的萃取性能研究 ii STUDY ON THE SYNTHESIS OF LIGHT STABILIZER UV-1084 AND THE EXTRACTING PERFORMANCE

2、OF ITS INTERMEDIATE 2,2’-THIOBIS-4-T-OCTYLPHENOL ABSTRACT 2,2’-Thiobis(4-t-octylphenolato)-n-butylamine nickel is an efficiently light stabilizer. In this paper, it was prepared from p-t-octylphenol, sulfur dichloride,

3、n-butylamine and nickel acetate by means of condensation and complexation. Effects of the reaction conditions were investigated and the optimal synthetic conditions were obtained: In condensation reaction, petroleum eth

4、er(60℃~90℃) as solvent, the dosage of p-t-octylphenol was 20.6g(0.1mol), the appropriate volume of petroleum ether was 80mL, the molar ratio of and sulfur dichloride was 2:1.1, the reaction temperature was 5℃~8℃, the dr

5、opping time of sulfur dichloride was 80min, the reaction time was 2h. Upon the above proper conditions, the yield of 2,2’-thiobis-4-t-octylphenol was 85.5% based on p-t-octylphenol. In complexation reaction, chloroform a

6、s solvent, the molar ratio of 2,2’-thiobis-4-t- octylphenol, nickel acetate and n-butylamine was 1:1.25:3, the reaction temperature was 58℃, the reaction time was 2h. Upon the above proper conditions, the yield of 2,2’-t

7、hiobis- (4-t-octylphenolato)-n-butylamine nickel was 97.6% based on 2,2’-thiobis-4-t-octylphenol. The total yield of the two steps was 83.4%(based on p-t-octylphenol). The research on 2,2’-thiobis-4-t-octylphenol as meta

8、l extractant was not reported before. In this paper, its extracting performance for nickel has been studied. The results indicate that: In the extracting process, benzene as diluent, the concentration of 2,2’-thiobis-4-t

9、- octylphenol was 1×10-3mol/L, [Ni2+]=0.1g/L, pH=11, t=15min, the extracting temperature was 25℃, phase ratio(O/A)=1:1, in this condition, the extracting rate of nickel reaches 98.6%, the two phase separated rapidly

10、, and there was no third phase appeared. In the stripping process, sulfuric acid was the feasible stripping agent, the single-stage stripping rate reaches 85.6% with sulfuric acid whose concentration was 4mol/L. KEY WOR