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High-Throughput Screening of the Alkoxide/Oxime-Based Library: An Alternative to Organotin Compounds for the Alkoxysilane Condensation in Adhesives and Sealants

机译:基于醇盐/肟的文库的高通量筛选:粘合剂和密封剂中烷氧基硅烷缩合的有机锡化合物的替代方案

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In this work, a high-throughput screening (HTS) method was used to discover new efficient catalysts to substitute organotin compounds (DBTDL) for the cross-linking of silyl-modified polymers (SMPs). We report here on the use of our HTS method to investigate a library of alkoxide/oxime systems with different metal/ligand (M/L) ratios. Among the 156 candidates tested, 40 interesting hits were detected. Then, the cross-linking times for the better hits were measured on the SMP. Some of these seem to be more efficient than DBTDL and exhibit a good stability during storage in cartridges. Thereby, a high efficiency of alkoxide/oxime systems was established that shows great potential for the generation of new ligands to provide new tin-free catalysts for the cross-linking of adhesives and sealants.
机译:在这项工作中,使用高通量筛选(HTS)方法来发现新的高效催化剂,以替代有机素化合物(DBTD1)以用于甲硅烷基改性聚合物(SMPS)的交联。 我们在此报告使用我们的HTS方法来研究具有不同金属/配体(M / L)比率的醇盐/肟系统。 在测试的156名候选者中,检测到40名有趣的命中。 然后,在SMP上测量更好的命中的交联时间。 其中一些似乎比DBTDL更有效,并且在盒式磁带中储存时具有良好的稳定性。 因此,建立了高效率的醇盐/肟系统,其显示出产生新配体的巨大潜力,以提供用于粘合剂和密封剂的交联的无酸催化剂。

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