過氧化尿素合成工藝及其穩(wěn)定劑的研究
發(fā)布時間:2018-11-17 13:04
【摘要】:實驗研究了濕法制備過氧化尿素的工藝條件,確定最佳條件為n(雙氧水)∶n(尿素)=1.3∶1,反應溫度30~50℃,結(jié)晶溫度為0℃、程序降溫速率為0.5℃/min,干燥溫度50℃,在此條件下制備的過氧化尿素產(chǎn)品的質(zhì)量分數(shù)達97%以上,滿足了市場上對過氧化尿素純度的要求。同時考察了一系列過氧化尿素的穩(wěn)定劑和包膜劑,確定最佳的穩(wěn)定劑為磷酸二氫鉀,包膜劑為十二烷基苯磺酸鈉。
[Abstract]:The technological conditions of preparing urea peroxide by wet method were studied. The optimum conditions were determined as follows: n (): n (urea of hydrogen peroxide) = 1.3: 1, reaction temperature 30 鈩,
本文編號:2337887
[Abstract]:The technological conditions of preparing urea peroxide by wet method were studied. The optimum conditions were determined as follows: n (): n (urea of hydrogen peroxide) = 1.3: 1, reaction temperature 30 鈩,
本文編號:2337887
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