Ring-Opening Polymerization of Lactides Initiated by Zinc Alkoxides

We found that the previous work by Prof. Hillmyer and Tolman et al. [Williams, C. K.; Breyfogle, L. E.; Choi, S. K.; Nam, W.; Young, V. G., Jr.; Hillm...
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Macromolecules 2006, 39, 5583

5583

CORRECTIONS

J. Bang, S. Jain, Z. Li, T. P. Lodge,* J. S. Pedersen, E. Kesselman, and Y. Talmon : Sphere, Cylinder, and Vesicle

Nanoaggregates in Poly(styrene-b-isoprene) Diblock Copolymer Solutions. . Volume 39, Number 3, February 7, 2006, pp 1199-1208. It has come to our attention that we unfortunately omitted two important references to prior observations of cylindrical micelles and vesicles in organic block copolymer systems: Ding, J.; Liu, G.; Yang, M. Polymer 1997, 38, 5497-5502. Ding, J.; Liu, G. Macromolecules 1997, 30, 655-657.

Hsuan-Ying Chen, Hui-Yi Tang, and Chu-Chieh Lin*: : Ring-

Opening Polymerization of Lactides Initiated by Zinc Alkoxides Derived from NNO-Tridentate Ligands. . Volume 39, Number 11, May 30, 2006, pp 3745-3752. We found that the previous work by Prof. Hillmyer and Tolman et al. [Williams, C. K.; Breyfogle, L. E.; Choi, S. K.; Nam, W.; Young, V. G., Jr.; Hillmyer, M. A.; Tolman, W. B. J. Am. Chem. Soc. 2003, 125, 11350-11359] is closely related to our work and should be cited. The structure (shown below) and catalytic activities are similar in these two systems.

MA061402F 10.1021/ma061402f Published on Web 07/04/2006

Jaehwan Kim,* Sungryul Yun, and Zoubeida Ounaies: : Discovery of Cellulose as a Smart Material. . Volume

39, Number 12, June 13, 2006, pp 4202-4206. The original article omitted a reference that described the crystal structure of regenerated cellulose: Eichhorn, S. J.; Young, R. J.; Davies, G. R. Biomacromolecules 2005, 6, 507. Figure 2b was derived from Figure 10c of the reference without attribution. Note Added after ASAP Publication. This Addition and Correction was published ASAP on July 12, 2006 with typographical errors. The correct version was posted on July 18, 2006. MA0614489

MA061441R

10.1021/ma0614489 Published on Web 07/12/2006

10.1021/ma061441r Published on Web 7/13/2006

10.1021/ma061402f CCC: $33.50 © 2006 American Chemical Society Published on Web 07/04/2006