实验分析了作为配伍材料的磺化褐煤对磺甲基酚醛树脂质量评价的影响。
The influences of different sulfonated lignite as compatible material on quality estimation of sulfomethyl phenol formaldehyde resin(SMP) were analyzed by experiments.
试验研究了褐煤制磺化煤的制备方法及磺化温度、磺化时间、酸煤比等因素对产物磺化煤的离子交换活性的影响。
The preparation methods of sulfonated coal and factors such as sulfonation time, sulfonation temperature and ratio of acid to coal etc.
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