AN S- AND P-CONTAINING FLAME RETARDANT FOR POLYPROPYLENE

Hua-qiao Peng; De-yi Wang; Qian Zhou; Yu-zhong Wang

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AN S- AND P-CONTAINING FLAME RETARDANT FOR POLYPROPYLENE

Papers | Updated：2021-06-21

- AN S- AND P-CONTAINING FLAME RETARDANT FOR POLYPROPYLENE
- AN S- AND P-CONTAINING FLAME RETARDANT FOR POLYPROPYLENE
- 高分子科学（英文版） 2008年26卷第3期页码：299-309
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- 纸质出版：2008-05-20
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Hua-qiao Peng, De-yi Wang, Qian Zhou, 等. AN S- AND P-CONTAINING FLAME RETARDANT FOR POLYPROPYLENE[J]. 高分子科学（英文版）, 2008,26(3):299-309.

Hua-qiao Peng, De-yi Wang, Qian Zhou, et al. AN S- AND P-CONTAINING FLAME RETARDANT FOR POLYPROPYLENE[J]. 2008, 26(3): 299-309.
Hua-qiao Peng, De-yi Wang, Qian Zhou, 等. AN S- AND P-CONTAINING FLAME RETARDANT FOR POLYPROPYLENE[J]. 高分子科学（英文版）, 2008,26(3):299-309. DOI：

Hua-qiao Peng, De-yi Wang, Qian Zhou, et al. AN S- AND P-CONTAINING FLAME RETARDANT FOR POLYPROPYLENE[J]. 2008, 26(3): 299-309. DOI：

摘要

A novel charring agent

bis(1-oxo-4-hydroxymethyl-2

7-trioxa-1-phosphabicyclo[2.2.2]octane) phenylphosphine sulfide (BCPPS)

has been synthesized

and it is combined with ammonium polyphosphate (APP) and melamine phosphate (MP) to impart flame retardance and dripping resistance for polypropylene (PP). The fire performance of the treated PP is investigated by limiting oxygen index (LOI)

vertical burning test (UL-94) and cone calorimeter

and the thermal stability and thermal oxidative stability of the composites are studied using thermogravimetric analysis (TG). It has been found that the treated PP with the optimal flame retardant formulation of APP:MP:BCPPS = 12:6:12 (weight ratio

formulation 10) gives an LOI of 31.3 and UL-94 V-0 rating. The results from cone calorimeter indicate that both the heat release rate (HRR) and the total heat evolved (THE) of IFR-PP (formulation 10) decrease significantly compared with those of neat PP. The TG result shows that the IFR-PP (formulation 10) has a high yield of residual char at high temperature. FTIR is used to investigate the residue of the treated PP that degrades at 400°C for different time. The compact outer surface and the shaggy inner surface can be observed from the SEM graph of the residual chars after LOI test

which form a much better barrier for the transfer of heat and fuel during combustion and show good flame retardancy. Moreover

the treated PP and its residue are investigated by XPS analysis.

Abstract

A novel charring agent

bis(1-oxo-4-hydroxymethyl-2

7-trioxa-1-phosphabicyclo[2.2.2]octane) phenylphosphine sulfide (BCPPS)

has been synthesized

vertical burning test (UL-94) and cone calorimeter

which form a much better barrier for the transfer of heat and fuel during combustion and show good flame retardancy. Moreover

the treated PP and its residue are investigated by XPS analysis.

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