SYNTHESIS OF ORGANIC PEROXYDES USING AN OSCILLATORY FLOW MIXING REACTOR

    公开(公告)号:US20180304227A1

    公开(公告)日:2018-10-25

    申请号:US15768684

    申请日:2016-10-26

    申请人: Arkema France

    摘要: The present invention concerns a method and an apparatus (10, 20) for a continuous preparation of organic peroxides, with the reactor comprising at least one flow channel (1, 1a, 1b) configured as a reaction zone; an inlet system (2) in fluid communication with a first end of the at least one flow channel and configured for introducing two or more substances or a combination of substances into the at least one flow channel; an outlet system (3) in fluid communication with a second end of the at least one flow channel, the second end being located downstream of the first end and the outlet system being configured for extracting a reaction product present at the second end; an oscillatory system (4, 5) configured for superimposing an oscillatory flow on the flow of substances passing through the at least one flow channel, the oscillatory being effected in at least a section of the at least one flow channel; and a controller configured to implement the method by controlling the inlet system to introduce, according to a first time characteristic, at least two substances or a combination of substances into the at least one flow channel, the oscillatory system to superimpose an oscillatory flow on at least a part of the flow of substances passing through the at least one flow channel, and the outlet system to extract, on an ongoing basis, the reaction product formed in the flow channel from the substances introduced such that the output mass flow rate corresponding to the sum of the input mass flow rates.

    METHOD FOR PURIFYING ALKYL HYDROPEROXIDE BY EXTRACTION WITH WATER AND SEPARATION OF THE AQUEOUS PHASE

    公开(公告)号:US20220073457A1

    公开(公告)日:2022-03-10

    申请号:US17417427

    申请日:2019-12-20

    申请人: ARKEMA FRANCE

    摘要: The present invention relates to a method for purifying a mixture containing at least one alkyl hydroperoxide, preferably tert-butyl hydroperoxide or tert-amyl hydroperoxide, and at least one corresponding dialkyl hydroperoxide, said method comprising at least one step of extraction with water and at least one separation step which is carried out within the aqueous phase, obtained following the extraction step, in order to recover an aqueous solution which is rich in alkyl hydroperoxide. The invention also relates to an aqueous composition which is rich in alkyl hydroperoxide and contains at least 0.1% by weight of dialkyl peroxide in relation to the total weight of the composition.

    CONTAINER FOR STORING AND TRANSPORTING HEAT-SENSITIVE PRODUCTS
    5.
    发明申请
    CONTAINER FOR STORING AND TRANSPORTING HEAT-SENSITIVE PRODUCTS 审中-公开
    储存和运输热敏产品的集装箱

    公开(公告)号:US20160251154A1

    公开(公告)日:2016-09-01

    申请号:US14891081

    申请日:2014-05-14

    申请人: ARKEMA FRANCE

    摘要: The present invention relates to a container provided with heat insulation means (8), characterized in that the heat insulation means (8) are removable and consist of a partition having a multilayered structure, or films, arranged between the wall of the tank (5) and at least the walls of two of the above-mentioned sides (2, 2′) as well as the upper surface (4) of the container (1). The invention further relates to the use of such heat insulation means (8) in a conventional container (1).

    摘要翻译: 本发明涉及一种设置有隔热装置(8)的容器,其特征在于,隔热装置(8)是可移除的,并且由具有多层结构的隔板或薄膜组成,其布置在罐(5)的壁之间 )和至少两个上述侧面(2,2')的壁以及容器(1)的上表面(4)。 本发明还涉及在常规容器(1)中使用这种隔热装置(8)。

    METHOD FOR PREPARING ORGANIC PEROXIDES
    6.
    发明申请
    METHOD FOR PREPARING ORGANIC PEROXIDES 有权
    制备有机过氧化物的方法

    公开(公告)号:US20160207882A1

    公开(公告)日:2016-07-21

    申请号:US14910937

    申请日:2014-07-09

    申请人: ARKEMA FRANCE

    摘要: A method for preparing peroxide, including a step of treating, in a reaction medium, a component having at least one tertiary alcohol grouping with a compound having at least one tertiary hydroperoxide function in the presence of a catalyst, said method being characterised in that the catalyst includes a sulphonic acid and a inorganic acid, the molar ratio between the sulphonic acid and the aforementioned component including at least one tertiary alcohol grouping ranges from 0.05 to 0.8, and the molar ratio between the inorganic acid and the aforementioned component including at least one tertiary alcohol grouping ranges from 0.05 to 0.8. Also, to the peroxide resulting directly from said preparation method.

    摘要翻译: 一种制备过氧化物的方法,包括在催化剂存在下,在反应介质中处理具有至少一个叔醇基的组分与具有至少一个叔氢过氧化物功能的化合物的步骤的方法,其特征在于, 催化剂包括磺酸和无机酸,所述磺酸与包含至少一种叔醇基团的前述组分的摩尔比在0.05至0.8范围内,无机酸与上述组分的摩尔比包括至少一种 叔醇分数范围为0.05至0.8。 而且,直接由所述制备方法得到的过氧化物。