Toward Single-Site, Immobilized Molecular Catalysts: Site-Isolated Ti Ethylene Polymerization Catalysts Supported on Porous Silica
作者:Michael W. McKittrick、Christopher W. Jones
DOI:10.1021/ja031725g
日期:2004.3.1
preparation of site-isolated organometallic catalysts on a silica surface is reported. The technique is demonstrated with Group 4 polymerization catalysts. The catalysts synthesized via the patterning method have up to a 10-fold increase in activity as compared to materials prepared by traditional techniques. In addition to supporting Group 4 polymerization catalysts, the patterned aminosilica is a possible
报道了一种新的、通用的图案化方法,可以在二氧化硅表面上制备位点隔离的有机金属催化剂。使用第 4 组聚合催化剂证明了该技术。与通过传统技术制备的材料相比,通过图案化方法合成的催化剂的活性提高了 10 倍。除了支持第 4 族聚合催化剂外,图案化氨基二氧化硅还可能支持其他金属配合物,从而可以合成各种固定化的单中心有机金属催化剂。