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Herein we present the use of group (IV) metal alkoxides as catalysts for the polymerisation of esters of β-alanine and its derivatives. The influence of different group (IV) metal alkoxides, different esters, temperature and solvents on the polymerisation are investigated. The order in which the group (IV) metal alkoxides catalyse the polymerisation is: Hf(Ot-Bu) 4 ⩾Zr(Ot-Bu) 4 >Ti(Oi-Pr)...
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