A Metal Coordination Crosslinking Novel High Performance Thermoset

Abstract:

N-substituted crosslinking polybenzimidazole pyridine sulfone, as novel high performance functional polymers, was prepared by the coordination of N-substituted polybenzimidazole pyridine sulfone (Py-N-PBIS) ligand with varying content of metallic ion (Co²⁺, Ni²⁺, Zn²⁺). The structures of the polymers were characterized by means of FT-IR and ¹H NMR spectroscopy, and the results showed a good agreement with the proposed structures. TGA measurements exhibited that the crosslinking polymers possessed good thermal stability with high thermal decomposition temperatures (thermally stable up to 405-510 °C). Additionally, the thermal stability of the coordination polymers was improved constantly with the increasing of the content of Co²⁺, Ni²⁺ or Zn²⁺. The metal coordination crosslinking N-substituted polybenzimidazole pyridine sulfone could be considered as a novel high performance thermoset.

• Periodical: Materials Science Forum (Volume 913)
• Pages: 746-751
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.913.746
• Online since: February 2018
• Authors: Peng Yang, Jun Xiao Yang, Guan Jun Chang*
• Keywords: High Performance Thermoset, Py-N-PBIS-(Co²⁺, Ni²⁺, Zn²⁺) Coordination Polymer, Thermal Stability

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