SYNERGISTIC EFFECTS OF NOVOLAC-BASED CHAR FORMER WITH A PHOSPHORUS/NITROGEN-CONTAINING FLAME RETARDANT IN POLYAMIDE 6

Wei-cheng Xiong; Li Chen; De-yi Wang; Fei Song; Yu-zhong Wang

doi:10.1007/s10118-012-1100-z

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SYNERGISTIC EFFECTS OF NOVOLAC-BASED CHAR FORMER WITH A PHOSPHORUS/NITROGEN-CONTAINING FLAME RETARDANT IN POLYAMIDE 6

Paper | Updated：2023-01-03

- SYNERGISTIC EFFECTS OF NOVOLAC-BASED CHAR FORMER WITH A PHOSPHORUS/NITROGEN-CONTAINING FLAME RETARDANT IN POLYAMIDE 6
- Chinese Journal of Polymer Science Vol. 30, Issue 1, Pages: 72-81(2012)
- Affiliations：
  
  Center for Degradation and Flame-Retardant Polymeric Materials, College of Chemistry, State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), Sichuan University, Chengdu 610064, China
- Author bio：
  
  **Li Chen (陈力), E-mail: l.chen.scu@gmail.com
  Yu-zhong Wang (王玉忠), E-mail: yzwang@scu.edu.cn
- Funds：
- DOI：10.1007/s10118-012-1100-z
  CLC：
- Received：30 January 2011，
  
  Revised：2011-04-25，
  
  Accepted：29 April 2011，
  
  Published：2012-01
- Accepted：
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Wei-cheng Xiong, Li Chen, De-yi Wang, et al. SYNERGISTIC EFFECTS OF NOVOLAC-BASED CHAR FORMER WITH A PHOSPHORUS/NITROGEN-CONTAINING FLAME RETARDANT IN POLYAMIDE 6[J]. Chinese Journal of Polymer Science, 2012, 30(1): 72-81.
DOI：

Wei-cheng Xiong, Li Chen, De-yi Wang, et al. SYNERGISTIC EFFECTS OF NOVOLAC-BASED CHAR FORMER WITH A PHOSPHORUS/NITROGEN-CONTAINING FLAME RETARDANT IN POLYAMIDE 6[J]. Chinese Journal of Polymer Science, 2012, 30(1): 72-81. DOI： 10.1007/s10118-012-1100-z.

摘要

Abstract

The synergistic effect of phosphorus oxynitride (PON) with a novolac-based char former modified by salification (NA-metal salt) on the flame retardance of polyamide 6 (PA6) was investigated. For this purpose

various flame-retardant PA6 systems were melt-compounded with PON

PON/NA

PON/NA-V

and PON/NA-Fe

and their flame retardance was evaluated by measuring the limiting oxygen index (LOI) values and UL-94 vertical burning ratings. The results showed that

compared with the PA6/PON/NA system

the combination of two char formers (NA-V

NA-Fe

) with PON could obviously improve the char formation and flame retardance of PA6. The flame retardance and cone calorimetric analyses showed the stronger synergism as well as the better flame retardant performance of PON/NA-Fe

flame retardant system. The effects of different char formers on the flame retardance and thermal stability of this system were also discussed.

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