A novel rare earth coordination catalyst
β
Zhang, Jie; Gan, Zhihua; Zhong, Zhiyuan; Jing, Xiabin
π
Article
π
1998
π
John Wiley and Sons
π
English
β 316 KB
π 2 views
A novel rare earth coordination system composed of lanthanide tri-Γuoroacetates (Ln \ Y, Yb, Nd, Tm, Ho, La, Pr) and tri-Ln(CF 3 COO) 3 isobutylaluminium Al(i-Bu) was used as catalyst for the polymerization of 3 e-caprolactone (CL), D,L-lactide (DLLA) and their copolymerization. The inΓuence of temp