Biomass as the Carbon Source in Intumescent Coatings for Steel Protection against Fire

被引：25
作者：
de Souza, Milena M. [1 ]
de Sa, Stephanie C. [1 ]
Zmozinski, Ariane V. [1 ]
Peres, Rafael S. [1 ]
Ferreira, Carlos A. [1 ]
机构：
[1] Univ Fed Rio Grande do Sul, LAPOL Lab Mat Polimer PPGE3M, Ave Bento Goncalves 9500, BR-91501970 Porto Alegre, RS, Brazil
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2016年 / 55卷 / 46期
关键词：
FLAME-RETARDANT; LIGNIN; COMPONENTS; CELLULOSE; COMBUSTION; PYROLYSIS; MELAMINE; WASTES; RESINS; ACID;
D O I：
10.1021/acs.iecr.6b03537
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Intumescent coatings formulated with coconut fiber (CCN), wood waste (MDP), and peach stone (PEA) biomasses were tested. Different formulations with variable concentrations of biomasses were carried out. Fourier transform infrared (FTIR) and thermogravimetric analysis (TGA) confirm that lignin and cellulose are constituents of these compounds. Fire-resistance testing confirms the percentage of 9% in dry mass as the optimal amount of CCN and MDP, while 6% is ideal for PEA. IR thermal images show the thermal protection and high expansion on the intumescent coatings (600% for CCN9, 1300% for MDP9, and 1600% for PEA6) and corroborate the data of the thermocouple. The maximum temperatures on the back of the substrate were 120 degrees C with biomass-based intumescent coatings and 474 degrees C for uncoated steel. TGA and X-ray diffraction of the coatings confirm the formation of stable oxides. Optical microscopy images show the presence of pores in the char layer.
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收藏
页码：11961 / 11969
页数：9
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