会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Process for the continuous preparation of lauroyl peroxide
    • 连续制备月桂酰过氧化物的方法
    • US4782189A
    • 1988-11-01
    • US096851
    • 1987-09-15
    • Hans AppelGottfried Brossmann
    • Hans AppelGottfried Brossmann
    • C07C67/00C07C407/00C07C409/34C07C178/00
    • C07C409/34C07C407/00C07C407/003
    • The invention provides an improvement for the continuous preparation of lauroyl peroxide in the absence of organic solvents from crude lauroyl chloride, aqueous sodium hydroxide solution and hydrogen peroxide by continuously adding the reaction components to a reaction stirrer vessel and carrying out the reaction with an average residence time of 15 to 30 minutes, the improvement comprising maintaining the temperature in the raction vessel between 0.degree. and 20.degree. C. by cooling, adding 1.0 to 3% by weight of hydrogen peroxide, referred to the total amount of the reaction mixture, and sodium hydroxide in such amount that the concentration thereof in the reaction mixture run off is 0.15 to 0.30N, withdrawing the reaction mixture from the reaction vessel and heating the reaction mixture by the addition of water of a temperature of from 70.degree. to 90.degree. C., to above the melting point of lauroyl peroxide, and separating off the molten lauroyl peroxide in a separator.
    • 本发明提供了在不存在来自粗制月桂酰氯,氢氧化钠水溶液和过氧化氢的有机溶剂的情况下连续制备月桂酰过氧化物的改进,通过将反应组分连续加入到反应搅拌器容器中并与平均住宅进行反应 时间为15至30分钟,改进包括通过冷却将反应容器中的温度保持在0℃和20℃之间,加入1.0-3重量%的过氧化氢,称为反应混合物的总量,以及 氢氧化钠的量使得其在反应混合物中的浓度流失为0.15至0.30N,将反应混合物从反应容器中取出,并通过加入温度为70-90℃的水加热反应混合物 高于月桂酰过氧化物的熔点,并在分离器中分离出熔融的月桂酰过氧化物。
    • 3. 发明授权
    • Process for the continuous preparation of dialkylperoxydicarbonates
    • 连续制备二氧化二碳酸二烷基酯的方法
    • US4370276A
    • 1983-01-25
    • US302863
    • 1981-09-16
    • Hans AppelGottfried Brossmann
    • Hans AppelGottfried Brossmann
    • C07C407/00C07C67/00C07C409/34C07C179/18
    • C07C407/00C07C407/003
    • The present invention provides a process for the continuous production of dialkylperoxydicarbonates of the general formula: ##STR1## in which R stands for the same or different, straight-chained, cyclic or branched alkyl radicals containing 6 to 18 carbon atoms, by the continuous reaction of a chloroformic acid ester of the general formula: ##STR2## wherein R has the above-given meanings, in an aqueous medium with hydrogen peroxide and an alkali metal hydroxide at a temperature of from -10.degree. C. to +50.degree. C. in at least two reaction zones connected in series and continuous isolation of the dialkylperoxydicarbonate formed from the solvent-free reaction mixture with the use of a centrifuge, wherein the reaction is carried out in the presence of a surfactant and the dialkylperoxydicarbonate formed is separated in molten form from the alkaline reaction mixture heated to or just above the melting temperature of the dialkylperoxydicarbonate.
    • 本发明提供了一种连续生产通式如下的二烷基过氧化二碳酸酯的方法:其中R代表相同或不同的含有6-18个碳原子的直链,环状或支链烷基,通过 在-10℃的温度下,在含有过氧化氢和碱金属氢氧化物的水性介质中连续反应通式为:其中R具有上述含义的通式如下的氯甲酸酯: 在至少两个反应区中至少在+50℃下,使用离心机串联并连续分离由无溶剂反应混合物形成的二烷基过氧化二碳酸酯,其中反应在表面活性剂和 形成的二烷基过氧化二碳酸酯与加热至或刚好高于二氧化碳二烷基二烷基酯的熔融温度的碱性反应混合物分离。