引用本文:
Min WANG, You Gang MAO, Yan Ying LU, Ren Fei YANG, Fei LI, Jia Cong SHEN. The Effect of the Chain Length on MMA Free Radicl Polymerization[J]. Chinese Chemical Letters,
2001, 12(11): 1041-1042.
Citation: Min WANG, You Gang MAO, Yan Ying LU, Ren Fei YANG, Fei LI, Jia Cong SHEN. The Effect of the Chain Length on MMA Free Radicl Polymerization[J]. Chinese Chemical Letters, 2001, 12(11): 1041-1042.
Citation: Min WANG, You Gang MAO, Yan Ying LU, Ren Fei YANG, Fei LI, Jia Cong SHEN. The Effect of the Chain Length on MMA Free Radicl Polymerization[J]. Chinese Chemical Letters, 2001, 12(11): 1041-1042.
The Effect of the Chain Length on MMA Free Radicl Polymerization
摘要:
In the polymerization process of methyl methacrylate (MMA), the Arrhenius parameters (activation energy and frequency factor) of propagating reaction monotonically decrease with increasing monomer conversion. At the beginning and middle stage of the propagating reaction, the increase of radical chain length is the main reason of above mentioned change. And at the end stage, the sharp decrease of kp indicates that the activation energy is approximately incline to zero and the propagating reaction is controlled by molecular diffusion motion.
English
The Effect of the Chain Length on MMA Free Radicl Polymerization
Abstract:
In the polymerization process of methyl methacrylate (MMA), the Arrhenius parameters (activation energy and frequency factor) of propagating reaction monotonically decrease with increasing monomer conversion. At the beginning and middle stage of the propagating reaction, the increase of radical chain length is the main reason of above mentioned change. And at the end stage, the sharp decrease of kp indicates that the activation energy is approximately incline to zero and the propagating reaction is controlled by molecular diffusion motion.
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Key words:
- MMA
- / Arrhenius parameters
- / propagating reaction
- / radical chain length
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