NEW MEMBRANE POLYMER AND MEMBRANES
    22.
    发明申请

    公开(公告)号:US20230090902A1

    公开(公告)日:2023-03-23

    申请号:US16625326

    申请日:2018-06-25

    Abstract: The present invention relates to a process for the preparation of a polyarylene ether sulfone polymer (P) by converting a reaction mixture (RG) which comprises, among others, at least one aromatic dihalogen sulfone and at least one dihydroxy component comprising at least 20 mol-% of trimethylhydroquinone based on the total amount of the at least one dihydroxy component. The present invention furthermore relates to the Ouse of a polyarylene ether sulfone polymer (P) obtainable by the inventive process in a membrane (M) and to a membrane (M) comprising the polyarylene ether sulfone polymer (P) obtainable by the inventive process, as well as to a method for the preparation of a membrane (M).

    POLYARYLENE ETHER COPOLYMER
    23.
    发明申请

    公开(公告)号:US20220098352A1

    公开(公告)日:2022-03-31

    申请号:US17275558

    申请日:2019-09-06

    Applicant: BASF SE

    Abstract: A polyarylene ether copolymer comprising i) at least one block comprising in polymerized form A) isosorbide, isomannide, isoidide or a mixture thereof and B) at least one unit comprising at least one difunctional compound comprising at least one dichlorodiaryl sulfone, a dichlorodiaryl ketone or a mixture thereof and ii) at least one block comprising in polymerized form C) at least one polyalkylene oxide, a process for its preparation and its use in the preparation of coatings, films, fibers, foams, membranes or molded articles.

    SULFONATED POLYARYLETHERSULFONES AND MEMBRANES THEREOF

    公开(公告)号:US20200157285A1

    公开(公告)日:2020-05-21

    申请号:US16627863

    申请日:2018-07-12

    Applicant: BASF SE

    Abstract: The present invention relates to a process for the preparation of a sulfonated polyarylene ether sulfone polymer (sP) by converting a reaction mixture (RG) which comprises, among others, at least one non-sulfonated aromatic dihalogen sulfone, at least one sulfonated aromatic dihalogen sulfone and at least one aromatic dihydroxy component comprising trimethylhydroquinone. The present invention furthermore relates to a sulfonated polyarylene ether sulfone polymer (sP) obtainable by the inventive process and to its use in a membrane (M). Furthermore, the present invention relates to a membrane (M) comprising this sulfonated polyarylene ether sulfone polymer (sP) and to a method for the preparation of the membrane (M).

    POLYARYLETHER SULFONE POLYMERS (P) WITH A REDUCED SOLVENT CONTENT
    26.
    发明申请
    POLYARYLETHER SULFONE POLYMERS (P) WITH A REDUCED SOLVENT CONTENT 有权
    具有降低溶剂含量的聚合物磺化聚合物(P)

    公开(公告)号:US20160152776A1

    公开(公告)日:2016-06-02

    申请号:US14900328

    申请日:2014-06-26

    Applicant: BASF SE

    CPC classification number: C08G75/23 C08G75/00

    Abstract: The present invention relates to a process for the production of a polyaryl ether sulfone polymer (P), comprising the following steps: (I) provision of a solution (PL) which comprises the polyaryl ether sulfone polymer (P) and comprises an aprotic polar solvent (L), (II) separation of the solution (PL) into droplets, (III) transfer of the droplets into a precipitation bath (F) which comprises water, with the result that the polyaryl ether sulfone polymer (P) is obtained in the form of particles, and (IV) isolation of the polyaryl ether sulfone polymer (P) where the temperature of the solution (PL) in step (II) is in the range from 50 to

    Abstract translation: 本发明涉及一种聚芳醚砜聚合物(P)的制备方法,包括以下步骤:(I)提供包含聚芳基醚砜聚合物(P)的溶液(PL),其包含非质子极性 溶剂(L),(II)将溶液(PL)分离成液滴,(III)将液滴转移到包含水的沉淀浴(F)中,结果得到聚芳基醚砜聚合物(P) 以(Ⅳ)步骤(ⅱ)中溶液(PL)的温度为50〜80℃的聚芳醚砜聚合物(P)的分离。

    POLYARYLETHERSULFONE COPOLYMERS
    27.
    发明申请
    POLYARYLETHERSULFONE COPOLYMERS 审中-公开
    聚四氟乙烯共聚物

    公开(公告)号:US20160075833A1

    公开(公告)日:2016-03-17

    申请号:US14888316

    申请日:2014-04-30

    Applicant: BASF SE

    Abstract: The present invention relates to a method for preparing polyarylethersulfone-polyalkylene oxide block copolymers (PPC) comprising the polycondensation of a reaction mixture (RG) comprising the components: (A1) at least one aromatic dihalogen compound, (B1) at least one aromatic dihydroxyl compound, (B2) at least one polyalkylene oxide compound having at least one free hydroxyl group (—OH) and at least one capped hydroxyl group (—ORA), (C) at least one aprotic polar solvent and (D) at least one metal carbonate, where the reaction mixture (RG) does not comprise any substance which forms an azeotrope with water.

    Abstract translation: 本发明涉及一种制备聚芳醚砜 - 聚环氧烷嵌段共聚物(PPC)的方法,该方法包括包含以下组分的反应混合物(RG)的缩聚:(A1)至少一种芳族二卤素化合物,(B1)至少一种芳族二羟基 化合物,(B2)至少一种具有至少一个游离羟基(-OH)和至少一个封端羟基(-ORA)的聚环氧烷化合物,(C)至少一种非质子极性溶剂和(D)至少一种 金属碳酸盐,其中反应混合物(RG)不包含与水形成共沸物的任何物质。

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