Process for the Preparation of the Alkoxyamine 2-Methyl-2-[N-(Diethoxyphosphoryl-2,2-Dimethylpropyl)-Aminoxy] Propionic Acid
    2.
    发明申请
    Process for the Preparation of the Alkoxyamine 2-Methyl-2-[N-(Diethoxyphosphoryl-2,2-Dimethylpropyl)-Aminoxy] Propionic Acid 审中-公开
    制备烷氧基-2-甲基-2- [N-(二乙氧基磷酰基-2,2-二甲基丙基) - 氨基]丙酸的方法

    公开(公告)号:US20080221354A1

    公开(公告)日:2008-09-11

    申请号:US11596306

    申请日:2005-05-10

    IPC分类号: C07F9/28

    CPC分类号: C07F9/4006

    摘要: The present invention relates to a process for the preparation of the alkoxyamine 2-methyl-2-[N-(diethoxy-phosphoryl-2,2-dimethylpropyl)aminoxy]propionic acid or of its salts comprising a stage of saponification of an azo compound in the presence of a base, a stage of photolysis of the salt resulting from the saponification stage in the presence of N-(tert-butyl)-1-diethylphosphono-2,2-dimethylpropyl nitroxide and optionally a stage of acidification of the salt of the alkoxyamine obtained on conclusion of the photolysis stage.The alkoxyamine or its salts can be used as radical polymerization initiators.

    摘要翻译: 本发明涉及一种制备烷氧基胺2-甲基-2- [N-(二乙氧基 - 磷酰基-2,2-二甲基丙基)氨氧基]丙酸或其盐的方法,该盐包括偶氮化合物皂化阶段 在碱存在下,在N-(叔丁基)-1-二乙基膦酰基-2,2-二甲基丙基氮氧化物存在下皂化阶段产生的盐的光解阶段,以及任选的盐酸化阶段 在光解阶段结束时获得的烷氧基胺。 烷氧基胺或其盐可用作自由基聚合引发剂。

    Method for preparing β-phosphorus nitroxide radicals
    6.
    发明授权
    Method for preparing β-phosphorus nitroxide radicals 有权
    制备β-磷氮氧自由基的方法

    公开(公告)号:US07126021B2

    公开(公告)日:2006-10-24

    申请号:US10450128

    申请日:2001-12-07

    IPC分类号: C07F9/02

    CPC分类号: C07F9/4006

    摘要: The present invention relates to a process for the preparation of β-phosphorated nitroxide radicals which consist in preparing, in a first step, an aminophosphonate by reaction of a carbonyl compound, of a primary amine and of a phosphorous compound in the presence of a Lewis acid and then, in a second step, in oxidizing the said crude aminophosphonate using nonhalogenated organic peracids in a water/organic solvent two-phase medium with an aqueous phase buffered at a pH ranging from 5 to 12.

    摘要翻译: 本发明涉及一种制备β-磷酸化氮氧自由基的方法,其包括在第一步中通过羰基化合物,伯胺和磷化合物在Lewis的存在下反应制备氨基膦酸酯 然后在第二步中,使用非卤代有机过酸在水/有机溶剂两相介质中氧化所述粗氨基膦酸酯,其中水相在pH为5至12的范围内缓冲。

    Organic peroxide heat stabilizer
    8.
    发明授权
    Organic peroxide heat stabilizer 有权
    有机过氧化物热稳定剂

    公开(公告)号:US06992225B2

    公开(公告)日:2006-01-31

    申请号:US10478035

    申请日:2002-04-30

    摘要: The invention concerns a heat stabilizer of organic peroxides characterized in that it is an N-hetrocyclic compound which contains at least one nitroxyl radical with the N atom of the nitroxyl radical forming part of the ring. The invention also concerns a storage-stable and heat-stable organic peroxide composition containing an N-hetrocyclic compound which contains at least one nitroxyl radical with the N atom of the nitroxyl radical forming part of the ring, the method for preparing the same and uses thereof for modifying polymers.

    摘要翻译: 本发明涉及一种有机过氧化物的热稳定剂,其特征在于它是含有至少一个硝酰基的N-叔丁基化合物,其中硝基自由基的N原子形成环的一部分。 本发明还涉及一种储存稳定且热稳定的有机过氧化物组合物,其含有至少一个硝酰基与形成环的一部分的硝酰基的N原子的N-叔环化合物,其制备方法和用途 用于改性聚合物。

    Method for preparing alkoxyamines from nitroxides
    9.
    发明授权
    Method for preparing alkoxyamines from nitroxides 失效
    从氮氧化物制备烷氧基胺的方法

    公开(公告)号:US06700007B2

    公开(公告)日:2004-03-02

    申请号:US10089720

    申请日:2002-08-08

    IPC分类号: C07C23920

    摘要: A process for preparing alkoxyamines in a biphasic medium comprises mixing an ionic liquid, an organic solvent, a metal salt, a ligand for the metal, a halocarbon compound ZX and a nitroxide, keeping the reaction medium stirring at a temperature of between 20° C. and 90° C. until the nitroxide has disappeared, separating the mixture by decantation, recovering the organic phase, and optionally washing it with water and then isolating the alkoxyamine by evaporating the organic solvent under reduced pressure.

    摘要翻译: 在两相介质中制备烷氧基胺的方法包括混合离子液体,有机溶剂,金属盐,金属配体,卤代烃化合物ZX和氮氧化物,保持反应介质在20℃ 直到氮氧化物消失,通过倾析分离混合物,回收有机相,并任选地用水洗涤,然后通过在减压下蒸发有机溶剂来分离烷氧基胺。