International Journal of Polymer Science / 2010 / Article / Tab 1

Research Article

Ring-Opening Polymerisation of rac-Lactide Using a Calix[4]arene-Based Titanium (IV) Complex

Table 1

Thermally induced polymerisation of L,D-LA using complex (1 .

Entry[L,D-LA]/[Ti] Ratio (%) (g mol-1) (g mol-1)

120096%9.218400150001.253.0
250087%21.019100149001.352.1
3100088%42.327600224001.250.0
4199467%65.343200369001.241.7

C, time 3 h; by 1H NMR; (PLDA) mol(Ti)-1 h-1; average molar mass measured by HPLC-SEC; average molar mass measured by HPLC-SEC; weight distribution; transition temperature as measured by DSC analysis.

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