【摘要】 本文用反相液相色谱法分析了PS版缩聚型高分子材料中间体MDPE的含量，间接地确定了MDPE合成过程中氯甲基化的最佳工艺配方和反应时间，方法的标准偏差为0．49％，变异系数为0．51％更多还原

【Abstract】 This paper reports a study on the determination of the content of 4, 4 ’-dimethoxy-methyl-diphenyl ether (MDPE),an intermediate for making diazo resin of PS plates,by using reversed-phase high performance lir4uid chromatography. By using this method,the optimum composition and reaction time of the methyl-chlorination process were indirectly found out. This method showed a standard deviation of 0. 49 % and a variation coefficient of 0. 51 %.更多还原