Synthesis, Characterization and Vulcanizing Properties of Rare Earth Complexes with 2-Mercaptobenthiazole
来源期刊：JOURNAL OF RARE EARTHS2002年第5期
论文作者：罗远芳 黄庙由 韦凤仙 章伟光 张启交
Key words：rare earths; 2-mercaptobenthiazole; rare earth complexes; vulcanizing properties; physical mechanical properties;
Abstract: Eight complexes of rare earth with 2-mercaptobenthiazole, RELCl2*RE(OH)3*xH2O (L=2-mercaptobenthiazole, RE= La～Gd, Y, except for Pm,x=0, 2～4), were synthesized in unhydrous ethanol and characterized by elemental analyses, IR spectra and thermal analyses. The results show that the ligand is coordinated to the RE ion through both the exocyclic sulfur and the thiazole nitrogen. The vulcanizing properties of the La complex as accelerator were studied in the traditional tire rubber, which indicate that the cross-linked rubber accelerated by the rare earth complex has good physical and dynamic mechanical properties by comparison.
罗远芳1，黄庙由1，韦凤仙2，章伟光2，张启交2
(1.Department of Polymer Material and Science, South China University of Technology, Guangzhou 510641, China;
2.Department of Chemistry, South China Normal University, Guangzhou 510631, China)
Abstract:Eight complexes of rare earth with 2-mercaptobenthiazole, RELCl2*RE(OH)3*xH2O (L=2-mercaptobenthiazole, RE= La～Gd, Y, except for Pm,x=0, 2～4), were synthesized in unhydrous ethanol and characterized by elemental analyses, IR spectra and thermal analyses. The results show that the ligand is coordinated to the RE ion through both the exocyclic sulfur and the thiazole nitrogen. The vulcanizing properties of the La complex as accelerator were studied in the traditional tire rubber, which indicate that the cross-linked rubber accelerated by the rare earth complex has good physical and dynamic mechanical properties by comparison.
Key words:rare earths; 2-mercaptobenthiazole; rare earth complexes; vulcanizing properties; physical mechanical properties;
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