Radical Copolymerization of Fullerene (C60) and n-Butyl Methacrylate (BMA) Using Triphenylbismuthonium Ylide and Characterization of C60-BMA Copolymers

被引:5
作者
Katiyar, Rashmi [2 ]
Bag, Dibyendu S. [1 ]
Nigam, Indira [2 ]
机构
[1] DMSRDE, Def Mat & Stores Res & Dev Estab, Kanpur 208013, Uttar Pradesh, India
[2] Harcourt Butler Technol Inst, Dept Plast Technol, Kanpur 208002, Uttar Pradesh, India
关键词
METHYL-METHACRYLATE; STYRENE; POLYMERIZATION; NETWORK;
D O I
10.1002/kin.20584
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Radical copolymerization of fullerene (C-60) and n-butyl methacrylate (BMA) has been carried out using triphenylbismuthonium ylide as an initiator at 70 degrees C for 4 h in a dilatometer under nitrogen atmosphere. The kinetic expression of the polymerization is R-p alpha [Ylide](0.5)[C-60](-1.0)[BMA](1.2), which is similar to that expected for ideal kinetics. The rate of polymerization increases with an increase in the concentration of initiator and BMA. However, it decreases with an increase in the concentration of fullerene. Fullerene acts as radical scavengers causing retardation in polymerization. The activation energy of copolymerization was estimated to be 72.2 K J mol(-1). The fullerene-containing BMA copolymers were characterized by FTIR, H-1 NMR, C-13 NMR, UV-vis, and GPC analyses. (C) 2011 Wiley Periodicals, Inc. Int J Chem Kinet 43: 608-619, 2011
引用
收藏
页码:608 / 619
页数:12
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