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Synthetic of Poly (Vinyl Acetate) Emulsion Used for Preventing Spontaneous Combustion of Coal and Study on Behaviour of It
Author(s): 
Pages: 5-7,14
Year: Issue:  3
Journal: SAFETY IN COAL MINES

Keyword:  防治煤层自燃聚乙酸乙烯酯乳液合成性能;
Abstract: 介绍了1种防治煤层自燃的新技术.采用正交实验设计方案,种子聚合法制备了聚乙酸乙烯酯(PVAC)乳液,再根据煤层自燃的特点及其对防灭火技术的特殊要求进行改性.并对正交实验进行极差分析,研究了合成条件对涂膜性能的影响,如成膜时间、耐水性、粘度等.实验结果表明,通过正交实验选定的最优方案制备出的聚乙酸乙烯酯乳液成膜性能较好,成膜时间短,耐水性好,粘度适中,适于在煤矿喷洒施工.
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