Title :
Polymerization of methyl methacrylate with nickel α-diimine catalysts: effect of the methyl position in the ligand
Author :
Kim, Il ; Kim, Jae Sung ; Ha, Chang-Sik ; Park, Dae-Won
Author_Institution :
Dept. of Polymer Sci. & Eng., Pusan Nat. Univ., Busan, South Korea
fDate :
26 June-3 July 2004
Abstract :
In the solution polymerizations of methyl methacrylate with (α-diimine)nickel(II)/methyl aluminoxane (MAO), we observed effects of the position of two methyl substituents in the ligand on both the activities of the catalysts and the polymer microstructure. α-diimine nickel(II) catalysts gave syndiotactic-rich poly(methyl methacrylate) with high molecular weight and narrow molecular weight distribution.
Keywords :
catalysts; molecular weight; polymer solutions; polymer structure; polymerisation; (α-diimine)nickel(II); ligand; methyl aluminoxane; methyl substituents; molecular weight distribution; nickel α-diimine catalyst; polymer microstructure; polymerization; syndiotactic-rich poly(methyl methacrylate); Adhesives; Atmosphere; Hydrogen; Mechanical factors; Microstructure; Nickel; Palladium; Polymers; Protection; Rheology;
Conference_Titel :
Science and Technology, 2004. KORUS 2004. Proceedings. The 8th Russian-Korean International Symposium on
Print_ISBN :
0-7803-8383-4
DOI :
10.1109/KORUS.2004.1555530
