摘要
报导了硬脂酸铅皂化法新工艺。研究了反应温度、反应时间和第一步加碱量对产品质量的影响。结果表明 ,用皂化法工艺可得到优等品PbSt2 ,较复分解工艺 ,反应时间缩短、液 -固比降低、滤饼湿含量比减小 ,一步式工艺得到粉状产品 ,二步式工艺得到颗粒状产品 ;最佳工艺条件为 :一步式工艺反应温度 6 5℃ ,反应时间 10min ;二步式工艺第一步的加碱量比 5 0 % ,反应温度 6 5℃ ,反应时间 10min。
A new saponifying process for the synthesis of lead stearate is introduced.The effects of reaction temperature and time,the amount of alkali added in the first step on the quality of the product were studied.The results showed high class PbSt 2 could be synthesized by this new saponifying process.Compared with metathetical process,the reaction time shortened,liquid solid ratio and moisture content of filter cake decreased.Powder product could be prepared by one step process,and particle product by two step process.For the optimum processing conditions,the reaction temperature and time for one step process were 65℃ and 10min,the amount of alkali added in the first step was 50%;reaction temperture and time were 65℃ and 10min for the two step process.
出处
《塑料工业》
CAS
CSCD
北大核心
2001年第3期42-44,共3页
China Plastics Industry
