Study on flame-retardant properties of gypsum based self-leveling decorative fire-resistant polystyrene board

doi:10.16265/j.cnki.issn1003-3033.2019.01.006

Abstract

Abstract: To solve the problem of rapid propagation of fire and the production of toxic smoke in building exterior insulation system, a kind of self-leveling mortar was made by using magnesium hydroxide as an inorganic flame retardant and polycarboxylic acid water reducer as admixture. The effect of the self-leveling mortar coated on the surface of EPS on flame-retardant properties of fire-resistant polystyrene board was studied by carrying out orthogonal test. The results show that the amount of water reducing agent can change the thickness of mortar cover by affecting the fluidity of self-leveling mortar, which is the main factor affecting the results of oxygen index (LOI) test, that among the four factors, the effect of Mg(OH)₂ content on peak heat release rate (pk-HRR), total heat release (THR) rate and ignition time (TTI) is especially obvious, that the replacement rate of fly ash is the main factor affecting the smoke density grade, that the best proportioning of gypsum based self-leveling mortar with good flame retardance is that water binder ratio is 0.30, fly ash substitution rate is 30%, water reducing agent content is 0.2% , magnesium hydroxide content is 12%, and that the flame retardant and smoke suppression effects of EPS boards can be significantly improved by flame retardant treatment.

Key words: expanded polystyrene board (EPS), plaster based self-leveling mortar, orthogonal test, facing fire-retardant, flame retardancy

CLC Number:

X937

YU Shuijun, WEI Yuebei, YANG Dailin, XIE Gaochao. Study on flame-retardant properties of gypsum based self-leveling decorative fire-resistant polystyrene board[J]. China Safety Science Journal, 2019, 29(1): 31-36.

References

[1] 吕子安,连晨舟,季春生,等.火灾中材料产烟毒性的分析[J]. 清华大学学报:自然科学版,2004,44(2): 278-281.
LYU Zi'an, LIAN Chenzhou, JI Chunsheng, et al. Toxicity analysis of smoke from materials burnt in fires[J]. Journal of Tsinghua University:Science and Technology, 2004, 44(2): 278-281.
[2] 窦家林.阻燃级发泡聚苯乙烯树脂的研究[D].大连:大连理工大学,2011.
DOU Jialin. The research of the flame retardant expandable polystyrene[D]. Dalian: Dalian University of Technology, 2011.
[3] ZHANG Hongquan, LI Feng, DEVER B, et al. DNA-mediated homogeneous binding assays for nucleic acids and proteins[J]. Chemical Review, 2013, 113(4): 2 812-2 841.
[4] AHMED L, ZHANG Bin, HAWKINS S, et al. Study of thermal and mechanical behaviors of flame retardant polystyrene-based nanocomposites prepared via in-situ polymerization method[J]. Journal of Loss Prevention in the Process Industries, 2017, 49: 228-239.
[5] 王正洲,隋孝禹,揭敢新,等.聚磷酸铵微胶囊对环氧树脂阻燃性能和力学性能的影响[J]. 高分子材料科学与工程,2012,28(4): 39-42.
WANG Zhengzhou, SUI Xiaoyu, JIE Ganxin, et al. Effect of APP microcapsules on flame retardant and mechanical properties of epoxy resins[J]. Polymer Materials Science & Engineering,2012, 28(4): 39-42.
[6] 祝飞.聚磷腈/氢氧化镁协同阻燃聚丙烯的研究[J].中国安全科学学报,2012, 22(7): 31-35.
ZHU Fei. Study on polyphosphazene /magnesium hydroxide as synergistic flame retardants for polypropylene[J]. China Safety Science Journal, 2012, 22(7): 31-35.
[7] YAN Hong, DU Xiangxiang, ZHANG Meng, et al. Synthesis and characterization of novel organic magnesium salt flame retardant[J]. Materials Letters, 2014, 134: 210-213.
[8] GB/T2406—2009,塑料-用氧指数测定燃烧行为[S].
GB/T2406-2009,Plastics-determination of burning behaviour by oxygen index[S].
[9] ISO 5660—1,对火反应试验—热释放、产烟量及质量损失率,第1部分:热释放速率(锥形量热仪法)[S].
ISO5660-1, Reaction to fire tests-heat release, smoke production and mass loss rate-part 1: heat release rate [S].
[10] GB8627—2007,建筑材料燃烧或分解的烟密度试验方法[S].
GB8627-2007,Test method for density of smoke from the burning or decomposition of building materials[S].
[11] JC/T1023—2007,石膏基自流平砂浆[S].
JC/T1023-2007, Gypsum based self-leveling floor compound[S].
[12] 黄雅妮.氢氧化镁无机阻燃剂的改性研究进展[J].材料导报,2014,28(增1): 364-367.
HUANG Yani. Modification research progress of magnesium hydroxide inorganic flame retardant[J]. Materials Review, 2014, 28(S1): 364-367.
[13] 王圣程,张云峰,禄利刚.协同改性聚氨酯保温材料的阻燃性能[J].中国安全科学学报,2017,27(12): 14-19.
WANG Shengcheng, ZHANG Yunfeng, LU Ligang. Flame-retardant properties of polyurethane insulation materials modified collaboratively[J]. China Safety Science Journal, 2017, 27(12): 14-19.
[14] 于水军,陈亮,魏月贝.无机包覆聚苯乙烯板烟气产生规律研究[J]. 安全与环境学报, 2018, 18(2): 1 633-1 636.
YU Shuijun, CHEN Liang, WEI Yuebei. Study on the smoke from inorganic coated polystyrene foam burn in fire[J]. Journal of Safety and Environment, 2018, 18(2): 1 633-1 636.

[1]	GONG Yawen, LIU Yingchun, JING Mingju, ZHANG Yingnan, ZHANG Bin. Preparation and flame retardant properties of silica gel foam [J]. China Safety Science Journal, 2022, 32(5): 127-133.
[2]	ZHAO Guohui, PAN Youdong. Joint optimization of key parameters of transverse seismic isolation system for cable-stayed bridge with unequal height pylons [J]. China Safety Science Journal, 2021, 31(4): 72-80.
[3]	QIAN Yubin, ZHU Lin, WANG Qingping, XIAO Lingyun, GAO Zhijun. Study on parameter optimization for simulation system of rear side airbag [J]. China Safety Science Journal, 2021, 31(2): 48-54.
[4]	ZHANG Meng, LIU Honglei, QIAO Wenguang, GAO Xun. Significant research on influencing factors of dump stability [J]. China Safety Science Journal, 2021, 31(2): 69-75.
[5]	WANG Feiyue, LIU Hui, YAN Long. Synergistic effect of tungsten tailing filler in intumescent fire-retardant coatings [J]. China Safety Science Journal, 2021, 31(10): 46-53.
[6]	LI Yaozhuang, FENG Yuwei, XU Zhisheng, YAN Long, JIA Hongyu. Effect of clam shell bio-filler on flame retardancy and smoke suppression properties of intumescent fire retardant coatings [J]. China Safety Science Journal, 2020, 30(7): 41-47.
[7]	HAN Ji, SHAN Xueying, SHAO Hui, GUO Hui, LI Jinchun. Preparation of modified β-CD and flame retardancy of EP [J]. China Safety Science Journal, 2020, 30(7): 107-113.
[8]	LI Xifan, XIONG Zuqiang, WANG Peng. Experimental study on improvement of mechanical properties of high-water filling materials in gob-side entry retaining [J]. China Safety Science Journal, 2020, 30(5): 95-100.
[9]	YOU Bo, LIU Jianfeng, SHI Shiliang, LIU Heqing, LU Yi, ZHANG Mengdi. Experimental study on influence of harsh environment of deep well on safety human factor indexes [J]. China Safety Science Journal, 2020, 30(12): 52-61.
[10]	WANG Qingping, QIAN Yubin, FENG Hao, MA Minghui, LI Wei. Study on parameter sensitivity in accident reconstruction model for car-pedestrian collision [J]. China Safety Science Journal, 2019, 29(6): 70-75.
[11]	ZHOU Hua, PENG Yijun, LIU Zhuoyi, ZHANG Daowen, YIN Jun. A study on protection of restraint system on female drivers with different body types [J]. China Safety Science Journal, 2019, 29(4): 76-82.
[12]	YIN Min, LI Zijun. Experimental study on factors influencing spontaneous combustion of oil containing sulfur storage tanks [J]. China Safety Science Journal, 2019, 29(3): 45-50.
[13]	CUI Fei, YAN Long. Flame retardancy and pyrolysis kinetics of Pinus yunnanensisflame-retarded synergically by NH₄H₂PO₄ and borax [J]. China Safety Science Journal, 2018, 28(7): 38-44.
[14]	LI Wei, QIAN Yubin, FENG Hao. Study on sensitivities of reconstruction system to parameters for collision between sedan and electric two-wheeler [J]. China Safety Science Journal, 2018, 28(5): 49-55.
[15]	XU Zhisheng, ZHOU Huan, YAN Long, JIA Hongyu. Synergistic effect of melamine borate in intumescent fire-retardant coatings [J]. China Safety Science Journal, 2018, 28(12): 40-45.