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    Dispersed phase polymerization of halogenated vinyl monomers in the presence of live reactive stabilizers
    2.
    发明申请
    Dispersed phase polymerization of halogenated vinyl monomers in the presence of live reactive stabilizers 有权
    在活性活性稳定剂存在下卤代乙烯基单体的分散相聚合

    公开(公告)号：US20150011693A1

    公开(公告)日：2015-01-08

    申请号：US14375323

    申请日：2013-01-30

    Applicant: RHODIA OPERATIONS

    Inventor： Mathias Destarac ,  James Wilson

    IPC: C08F14/08 ,  C08L27/08

    CPC classification number: C08F14/08 ,  C08F2/20 ,  C08F2/38 ,  C08F214/08 ,  C08F214/22 ,  C08F214/225 ,  C08F293/005 ,  C08F2438/03 ,  C08L27/08 ,  C09D153/00 ,  C09J153/00

    Abstract: The present invention concerns a method for the dispersed phase polymerisation of halogenated vinyl compounds, having the formula RbRcC═CX1X2, where: X1═F or CI, X2═H, F or CI, each of Rb and Rc, separately represents: —H, CI, F; or—an alkyl group, preferably chlorinated and/or fluorinated, and more advantageously perchlorinated or perfluorinated, comprising a step (E1) wherein said monomers are introduced into an aqueous phase together with—at least one source of free radicals; and—at least one reactive stabiliser comprising a polymer chain and a thiocarbonylthio-S group (C═S)—, said polymer chain comprising non-(N vinyl lactam) monomer units.

    Abstract translation: 本发明涉及一种具有式RbRcC≡CX1X2的卤代乙烯基化合物的分散相聚合方法，其中：X1 = F或Cl，X2 = H，F或Cl各自为Rb和Rc，分别表示：-H ，CI，F; 或优选氯代和/或氟化的烷基，更有利地是氯化的或全氟化的，包括步骤（E1），其中所述单体与至少一种自由基源一起引入水相中; 和至少一种包含聚合物链和硫代羰基硫基-S基团（C = S）的反应性稳定剂，所述聚合物链包含非（N乙烯基内酰胺）单体单元。

    Preparation of amphiphilic block polymers by controlled radical micellar polymerisation
    4.
    发明授权
    Preparation of amphiphilic block polymers by controlled radical micellar polymerisation 有权
    通过受控自由基胶束聚合制备两亲嵌段聚合物

    公开(公告)号：US09580535B2

    公开(公告)日：2017-02-28

    申请号：US14353360

    申请日：2012-10-24

    Applicant: RHODIA OPERATIONS

    Inventor： James Wilson ,  Mathias Destarac ,  Arnaud Cadix

    IPC: C08F2/38 ,  C08F297/02 ,  C08F293/00 ,  C09K8/04 ,  C09K8/588 ,  C09K8/88

    CPC classification number: C08F297/026 ,  C08F2/38 ,  C08F293/005 ,  C08F2438/03 ,  C09K8/04 ,  C09K8/588 ,  C09K8/882

    Abstract: The present invention relates to the preparation of block copolymers, which can be used in particular as rheology agents, suitable, inter alia, for oil extraction, comprising a step of radical micellar polymerization wherein the following are brought into contact in an aqueous medium: —hydrophilic monomers, dissolved or dispersed in the aqueous medium; —hydrophobic monomers in the form of a micellar solution, i.e. containing, in a dispersed state, micelles comprising these hydrophobic monomers; —at least one radical polymerization initiator; and —at least one radical polymerization control agent. The polymers obtained according to the invention can be used in particular for enhanced oil recovery (EOR).

    Abstract translation: 嵌段共聚物的制备本发明涉及嵌段共聚物的制备，其可特别用作流变剂，特别适用于油提取，包括自由基胶束聚合步骤，其中使下列物质在水性介质中接触： 溶解或分散在水介质中的亲水单体; 以胶束溶液形式的疏水单体，即分散状态的包含这些疏水单体的胶束; - 至少一个自由基聚合引发剂; 和至少一种自由基聚合控制剂。 根据本发明获得的聚合物特别可用于增强油回收（EOR）。

    Amphiphilic multiblock polymers
    6.
    发明授权
    Amphiphilic multiblock polymers 有权

    公开(公告)号：US10450397B2

    公开(公告)日：2019-10-22

    申请号：US15128162

    申请日：2015-03-16

    Applicant: RHODIA OPERATIONS

    Inventor： Simon Harrisson ,  James Wilson

    IPC: C08F2/38 ,  C08F293/00 ,  C08F2/22 ,  C08F2/26 ,  C08F220/56

    Abstract: The present invention relates to a process for preparing a polymer with a mass Mw of less than 300 000 g/mol (especially between 1000 and 300 000 g/mol), comprising a step (E) of controlled radical polymerization in which the following are placed in contact in an aqueous medium in which are dispersed surfactant micelles: ethylenically unsaturated hydrophilic monomers predominantly present in the aqueous medium; partially water-soluble ethylenically unsaturated hydrophobic monomers different from the preceding monomers, at least partly present in the surfactant micelles, and having a solubility in the aqueous medium at least equal to that of hexyl acrylate; at least one radical polymerization initiator; and at least one radical polymerization control agent.

    Method for synthesizing polymers from acrylic acid, one of the salts of same or the mixture thereof
    7.
    发明授权
    Method for synthesizing polymers from acrylic acid, one of the salts of same or the mixture thereof 有权
    从丙烯酸，其盐之一或其混合物中合成聚合物的方法

    公开(公告)号：US09458273B2

    公开(公告)日：2016-10-04

    申请号：US14390076

    申请日：2013-04-03

    Applicant: RHODIA OPERATIONS

    Inventor： Patrick Ferlin ,  James Wilson ,  Fadila Benachich

    IPC: C08F220/06 ,  C08F120/06 ,  C08F4/40

    CPC classification number: C08F220/06 ,  C08F4/40 ,  C08F120/06

    Abstract: The present invention concerns a method for preparing a polymer comprising a step of radical polymerization of monomers comprising at least monomers (M1) chosen from acrylic acid, one of the salts of same, or the mixture thereof, in which said radical polymerization step is carried out: continuously; at a pH which remains between 3 and 5 during the polymerization step; in the presence of a metabisulfite/persulfate redox pair, for example the sodium metabisulfite/sodium persulfate pair, as a radical initiator, with a metabisulfite/persulfate molar ratio of between 1 and 3.5 and an initiator/monomer molar percentage of between 5% and 18%.

    Method for synthesizing polymers from acrylic acid, one of the salts of same or the mixture thereof
    8.
    发明申请
    Method for synthesizing polymers from acrylic acid, one of the salts of same or the mixture thereof 有权
    从丙烯酸，其盐之一或其混合物中合成聚合物的方法

    公开(公告)号：US20150112033A1

    公开(公告)日：2015-04-23

    申请号：US14390076

    申请日：2013-04-03

    Applicant: RHODIA OPERATIONS

    Inventor： Patrick Ferlin ,  James Wilson ,  Fadila Benachich

    IPC: C08F220/06

    CPC classification number: C08F220/06 ,  C08F4/40 ,  C08F120/06

    Abstract: The present invention concerns a method for preparing a polymer comprising a step of radical polymerisation of monomers comprising at least monomers (M1) chosen from acrylic acid, one of the salts of same, or the mixture thereof, in which said radical polymerisation step is carried out: continuously; at a pH which remains between 3 and 5 during the polymerization step; in the presence of a metabisulfite/persulfate redox pair, for example the sodium metabisulfite/sodium persulfate pair, as a radical initiator, with a metabisulfite/persulfate molar ratio of between 1 and 3.5 and an initiator/monomer molar percentage of between 5% and 18%.

    Abstract translation: 本发明涉及一种制备聚合物的方法，包括使包含至少单体（M1）的单体自由基聚合的步骤，所述单体选自丙烯酸，其中一种盐或其混合物，其中所述自由基聚合步骤被携带在其中 不断地 在聚合步骤期间保持在3和5之间的pH; 在偏亚硫酸氢盐/过硫酸盐氧化还原对的存在下，例如焦亚硫酸钠/过硫酸钠对，作为自由基引发剂，偏亚硫酸氢盐/过硫酸盐摩尔比为1至3.5，引发剂/单体摩尔百分比为5％至 18％。

    Multiblock amphiphilic polymers
    10.
    发明授权
    Multiblock amphiphilic polymers 有权

    公开(公告)号：US11267923B2

    公开(公告)日：2022-03-08

    申请号：US16655475

    申请日：2019-10-17

    Applicant: RHODIA OPERATIONS

    Inventor： Simon Harrisson ,  James Wilson

    IPC: C08F2/22 ,  C08F2/26 ,  C08F2/38 ,  C08F220/56 ,  C08F293/00

    Abstract: The present invention relates to a process for preparing a polymer with a mass Mw of less than 300 000 g/mol (especially between 1000 and 300 000 g/mol), comprising a step (E) of controlled radical polymerization in which the following are placed in contact in an aqueous medium in which are dispersed surfactant micelles: ethylenically unsaturated hydrophilic monomers predominantly present in the aqueous medium; partially water-soluble ethylenically unsaturated hydrophobic monomers different from the preceding monomers, at least partly present in the surfactant micelles, and having a solubility in the aqueous medium at least equal to that of hexyl acrylate; at least one radical polymerization initiator; and at least one radical polymerization control agent.

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