In this paper ,the determination method of DIBDMS (diisobutyldimethoxysilane) in white oilby Fourier infrared spectrophotomenter was established .It can be applied to the quality control of the production process .%本文利用Spectrum 100傅立叶红外分光光度计测定在生产聚丙烯均聚物和无规共聚物时,以白油为溶剂的外部改性剂二异丁基二甲氧基硅烷的含量,建立了标准工作曲线,对其准确性和精密度进行了评价。该方法操作简便,精密度高,非常适合工艺生产质量控制。
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