Synthesis and Nonlinear Optical Properties of a New Syndioregic

6152

Macromolecules 2001, 34, 6152

CORRECTIONS

L. Michael Hayden,* Won-Kook Kim, Andrew P. Chafin, and Geoffrey A. Lindsay: Synthesis and Nonlinear Optical Properties of a New Syndioregic Main-Chain Hydrazone Polymer. Volume 34, Number 5, February 27, 2001, pp 1493-1495. Structure 2 in Scheme 1 should be

MA012493D 10.1021/ma012493d Published on Web 07/20/2001

Tariqul Hasan, Atau Ioku, Kei Nishii, Takeshi Shiono,* and Tomiki Ikeda: Syndiospecific Living Polymerization of Propene with [t-BuNSiMe2Flu]TiMe2 Using MAO as Cocatalyst. Volume 34, Number 10, May 8, 2001, pp 3142-3145. Figure 2 should be replaced with the following figure:

Figure 2. Rate-time profiles of propene polymerization with [t-BuNSiMe2Flu]TiMe2 using various cocatalysts: (a)B(C6F5)3/ Oct3Al (9), (b) MAO (b), (c) dried MAO (2). MA012491T 10.1021/ma012491t Published on Web 07/11/2001