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Two in one: A replication effect allows the formation of core–shell particles in a single olefin polymerization step, which occurs through the simultaneous use of spatially resolved metallocene catalysts immobilized on a hybrid inorganic–organic support (see picture). Catalyst A was exclusively supported in the inorganic core, while catalyst B was immobilized in the organic shell.
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Diesing et al. (2009) studied this question.
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