研究學術成果
解決方案
學術論文:阻燃乙烯醋酸乙烯共聚物的碳化 – 氫氧化鎂/硼酸鋅配方
Charring of fire retarded ethylene vinyl acetate copolymer — magnesium hydroxide/zinc borate formulations
阻燃乙烯醋酸乙烯共聚物的碳化 – 氫氧化鎂/硼酸鋅配方
作者:Carpentier, Fabien, Serge Bourbigot, Michel Le Bras, René Delobel, et Michel Foulon
發(fā)表:Polymer Degradation and Stability 69, no 1 (juin 2000): 83 92. doi:10.1016/S0141-3910(00)00044-6
Abstract/摘要:
Zinc borate has been used as a synergistic agent in EVA-Mg(OH)2 flame retardant (FR) formulations. Solid state NMR of carbon in the residues collected after thermal treatment allows the study of the charring of the flame retardant system. The study has shown that polymer fragments are in the char layer. It is suggested that zinc borate slows the degradation of the polymer, creating a vitreous protective residual layer which could act as a physical barrier and a glassy cage for polyethylene chains.
Keywords/關鍵詞:
EVA;
Magnesium hydroxide 氫氧化鎂;
Zinc borate 硼酸鋅;
13C solid state NMR 13C固態(tài)核磁共振;
Fire retardancy 阻燃性
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