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Effect of MPBM on Crosslinking Reaction of Tetrafluoroethylene-Propylene Copolymer/DCP

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Abstract:

The mechanism of TFE-P copolymer peroxide vulcanization in the presence of N, N - meta-phenylene-bis-maleimide (MPBM) was investigated by MDR Rheometer and DSC method. The results show that β-chain-scission reactions are present in TFE-P copolymer peroxide vulcanization, and the rate of β-chain-scission increase in high temperature. MPBM could improve the crosslinking efficiency and crosslinking rate. The mechanism is that TFE-P copolymer-MPBM radicals could form effective crosslinking and decrease the quantity of TFE-P copolymer radicals that would arise β-chain-scission reactions.

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Periodical:

Advanced Materials Research (Volumes 798-799)

Pages:

107-111

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.798-799.107

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Online since:

September 2013

Authors:

Ying Liang Li, Fei Xue Han, Yu Feng Wang, Pu Xuan Yan

Keywords:

Crosslinking, N,N’ – meta–phenylene–bis–maleimide, Tetrafluoroethylene-Propylene Copolymer, β-Chain-Scission Reaction

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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