Research Progress in Halogen⁃free Flame⁃retardant RPUF

doi:10.19491/j.issn.1001-9278.2020.05.017

Abstract

Abstract:

This paper introduced the application areas and combustion performance of plastics materials as well as the advantages of halogen?free flame retardants and furthermore focused on the demands of thermal insulation materials in the construction field for energy saving and environmental protection in China's emerging strategic industries. The paper also reviewed the recent research progress in halogen?free flame?retardant rigid polyurethane foam (RPUF) from several aspects including bio?based polyols, the combination of reactive and additive?type flame retardants, surface treatment technology, and catalyzing carbonization for inhibiting smoke and toxicity. Moreover, the paper summarized the problems in the application research and prospected the development trend in the application research of flame?retardant materials, which could provide references for further research and industrial application of flame?retardant materials.

Key words: flame retardancy, thermal insulation, rigid polyurethane foam

CLC Number:

TQ323.8

Jingyu WANG, Jianwei HAO. Research Progress in Halogen⁃free Flame⁃retardant RPUF[J]. China Plastics, 2020, 34(5): 107-114.

Figures/Tables 4

References 47

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样品	表观密度/kg?m^?3	极限氧指数/%	压缩强度/kPa	导热系数/ W?(m?K)^-1	吸水率/%	生物降解度/%
商用泡沫	36.0~42.0	19.2	>250	0.028	<3.00	??
RPU?PIR	38.4±1.1	21.7	289.95±7.46	0.025	1.81±0.06	39.0
RPU?PIR/14 %TCMP	35.9±1.3	25.6	303.67±5.32	0.025	0.96±0.03	74.1

样品	表观密度/kg?m^?3	极限氧指数/%	压缩强度/kPa	导热系数/ W?(m?K)^-1	吸水率/%	生物降解度/%
商用泡沫	36.0~42.0	19.2	>250	0.028	<3.00	??
RPU?PIR	38.4±1.1	21.7	289.95±7.46	0.025	1.81±0.06	39.0
RPU?PIR/14 %TCMP	35.9±1.3	25.6	303.67±5.32	0.025	0.96±0.03	74.1

样品	单元结构元素质量比/%	热分解温度/℃	600 ℃残炭率/%
木质素	C, > 60	230~260	57.0
纤维素	C/O, 44.4/49.4	~270	9.5
植酸	P/O/C, 28.0/59.0/9.0	255	~50
DNA	C/P/N/O, 37.1/9.8/16.7/33.0	150~200	~50

样品	单元结构元素质量比/%	热分解温度/℃	600 ℃残炭率/%
木质素	C, > 60	230~260	57.0
纤维素	C/O, 44.4/49.4	~270	9.5
植酸	P/O/C, 28.0/59.0/9.0	255	~50
DNA	C/P/N/O, 37.1/9.8/16.7/33.0	150~200	~50

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