Mechanical and crystallization properties of polyamide 6 modified with composite nucleating agents

Min Guo, Yiqun Liu, Jinqing Li, Yang Zhang, Depeng Zhang, Guoyuan Pan, Hao Yan, Yunjun Luo*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Polyamide (PA) 6 was modified by sodium benzoate and sepiolite as nucleating agents. The effects of the kinds and content of the nucleating agents on the mechanical properties, deflection temperature under load and crystallization behavior of PA 6 were studied. The results show that the flexural stress of PA 6 increases by 13.3% or 1.9% with 0.20 phr of sepiolite or sodium benzoate, respectively, while the value increases by 15.9% when 0.20 phr of the composite nucleating agent is introduced. Meanwhile, PA 6 modified with 0.20 phr of the composite nucleating agent exhibits the highest deflection temperature under load of 185°C, while the deflection temperature under load of 181°C and 171°C are obtained for PA 6 with 0.20 phr of sepiolite or sodium benzoate. The composite nucleating agent based on sodium benzoate and sepiolite endows PA 6 with better crystallization properties.

Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalHecheng Shuzhi Ji Suliao/China Synthetic Resin and Plastics
Volume31
Issue number1
Publication statusPublished - Jan 2014

Keywords

  • Composite nucleating agent
  • Crystallization
  • Mechanical property
  • Polyamide 6
  • Sodium benzoate

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