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高分子催化剂作为功能性高分子的重要组成部分具有许多独特的优点和功能,是目前催化剂研究的发展方向之一,日益受到重视。 Neckers等将AlCl_3与聚苯乙烯反应制成的高分子载体催化剂,对酯化、缩醛等反应有较好的催化作用,我们也曾制备了一系列聚苯乙烯与强Lewis酸的复合物催化剂,如聚苯乙烯-五氯化锑复合物(Ps-SbCl_5)、聚苯乙烯-四氯化钛复合物(Ps-TiCl_4)、聚苯乙烯-四氯化锡复合物(Ps-SnCl_4)、聚苯乙烯-三氯化铁复合物(Ps-FeCl_3)等,它们具有较高的稳定性和良好的催化效能.为了研究弱Lewis酸与高分子载体的复合能力以及它们是否还具有催化活性,为了研究各种Lewis酸用高分子载体固载化的规律
As an important part of functional polymer, polymer catalyst has many unique advantages and functions, which is one of the development directions of catalyst research at present, and has drawn more and more attention. Neckers and other AlCl_3 polymer made with polystyrene carrier catalyst for esterification, acetal and other reactions have a better catalytic effect, we have also prepared a series of polystyrene and strong Lewis acid complex catalyst (Ps-SbCl_5), polystyrene-titanium tetrachloride (Ps-TiCl_4), polystyrene-tin tetrachloride (Ps-SnCl_4) Polystyrene-ferric chloride complex (Ps-FeCl_3), which have high stability and good catalytic performance.In order to study the compounding ability of weak Lewis acid and polymer carrier and whether they also have catalytic activity, In order to study a variety of Lewis acid polymer carrier immobilization rules