联二脲是一种化学物质。熔点：247-250°C。沸点：330.5ºCat760mmHg。闪点：153.7ºC。折射率：1.61。蒸汽压：0.000165mmHgat25°C。储存于阴凉、通风的库房。库温不宜超过37°C。应与氧化剂、食用化学品分开存放，切忌混储。保持容器密封。
对用分子氧催化氧化联二脲制取ADC 发泡剂进行了探讨。
The preparation of ADC foaming agent from biurea by dioxygen catalytic oxidation was investigated and discussed.
测试结果表明，增加联二脲添加量可以降低胶粘剂烟雾信号；
The results revealed that the smoke signal of adhesive can be reduced by increasing the content of LDA.
考察了搅拌速度、氯气流量、辅助空气流量、固体联二脲浓度、粒度及反应温度对过程速率的影响。 分析了影响过程速率的主要因素。
The effects of stirred velocity, chlorine flow rate, air auxiliary flow rate, solids loading, mean particle diameter and reaction temperature on global process rate are investigated and analyzed.
应用推荐