催化氧化法制备二硫化四苄基秋兰姆及其微观结构分析  

Preparation and microstructure analysis of tetrabenzylthiuram disulfide by catalytic oxidation method

作　　者：丁炳伟 李红良 刘自力[2] Ding Bingwei;Li Hongliang;Liu Zili(Hebi Lianhao New Material Co.,Ltd.,Hebi 458000,Henan,China;School of Chemistry and ChemicalEngineering,Guangzhou University,Guangzhou 510000,Guangdong,China)

机构地区：[1]鹤壁联昊新材料有限公司,河南鹤壁475000 [2]广州大学化学化工学院,广东广州510000

出　　处：《工业催化》2024年第8期36-39,共4页Industrial Catalysis

基　　金：河南省中央引导地方科技发展专项跨区域研发合作项目(Z20221343016);安阳市重大科技专项计划项目(2022A02GX008)。

摘　　要：以过氧化氢为氧化剂,98%硫酸为催化剂,水为溶剂,原材料化学计量比为n(二硫化碳)∶n(氢氧化钠)∶n(过氧化氢)∶n(二苄胺)=1.05∶1.0∶1.2∶1.0,采用二步法制得高熔点和高性能的超速级橡胶硫化促进剂二硫化四苄基秋兰姆(TBzTD),该工艺路线的投资小,能耗低,反应可控性强,目标产物收率和纯度高,是一种环境友好的清洁生产工艺,工业应用前景广阔。目的产物进行FT-IR、UV-vis、HPLC、XRD和^(1)HNMR分析检测,揭示TBzTD的微观结构,为开拓其性能和应用提供了基础实验数据。In this study,a two-step method was used to obtain the ultra fast rubber vulcanization accelerator tetrabenzylthiuram disulfide(TBzTD)with high melting point and quality using hydrogen peroxide as oxidant,98%sulfuric acid as catalyst,water as the solvent,and n(carbon disulfide)∶n(sodium hydroxide)∶n(hydrogen peroxide)∶n(dibenzylamine)=1.05∶1.0∶1.2∶1.0.This process route has low investment,low energy consumption,strong reaction controllability,and high yield and purity of the target product.It is an environmentally friendly and clean production process with broad industrial application prospects.The target product TBzTD was detected and analyzed by FT-IR,UV-vis,HPLC,XRD,and^(1)HNMR to reveal its microstructure,providing basic experimental data for exploring its performance and application.

关 键 词：催化化学 催化氧化法 二硫化四苄基秋兰姆(TBzTD) FT-IR UV-VIS HPLC XRD ^(1)HNMR 

分 类 号：TQ426.95[化学工程] O643.36[理学—物理化学]