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    USE OF MULTI-STAGE POLYMERIZATE DISPERSIONS TO COAT METAL SHEETS
    4.
    发明申请
    USE OF MULTI-STAGE POLYMERIZATE DISPERSIONS TO COAT METAL SHEETS 有权
    使用多层聚合物分散体涂覆金属片材

    公开(公告)号：US20150104658A1

    公开(公告)日：2015-04-16

    申请号：US14403824

    申请日：2013-06-04

    Applicant: BASF SE

    Inventor： Ekkehard Jahns ,  Hans-Juergen Denu ,  Sebastian Roller ,  Alexander Kurek

    IPC: C09D151/00 ,  E04D1/22 ,  E04D13/00 ,  E04D1/18 ,  B05D1/36 ,  B05D1/14

    CPC classification number: C09D151/003 ,  B05D1/14 ,  B05D1/36 ,  C04B41/00 ,  C08F2/24 ,  C08F265/06 ,  E04D1/18 ,  E04D1/22 ,  E04D13/00 ,  E04D2001/005 ,  Y10T428/31692 ,  C08F220/58 ,  C08F220/18 ,  C08F2220/1825 ,  C08F2220/585

    Abstract: The present invention relates to the use of aqueous multistage polymer dispersions obtainable by free-radically initiated aqueous emulsion polymerization, having a soft phase and a hard phase and having a hard-to-soft stage ratio of 25% to 95% by weight to 75% to 5% by weight, the glass transition temperature (Tg) of the soft phase, as first stage, being −30 to 0° C. and that of the hard phase, as second stage, being 20 to 60° C., comprising at least one monomer of the general formula I in which the variables have the following definitions: n=0 to 2, R1, R2, R3=independently of one another hydrogen or methyl group, X═O or NH, Y═H, alkali metal or NH4, to coat metal sheets.

    Abstract translation: 本发明涉及通过自由基引发的水性乳液聚合获得的含水多阶段聚合物分散体的使用，其具有软相和硬相，并且具有25％至95％重量至75％的硬 - 软级比 ％至5重量％，作为第一阶段的软相的玻璃化转变温度（Tg）为-30〜0℃，硬相的玻璃化转变温度（Tg）为20〜60℃， 包括至少一种通式I的单体，其中变量具有以下定义：n = 0至2，R 1，R 2，R 3彼此独立地为氢或甲基，X = O或NH，Y = H， 碱金属或NH4，以涂覆金属片。

    Aqueous polymer compositions for flexible roof coatings
    6.
    发明授权
    Aqueous polymer compositions for flexible roof coatings 有权

    公开(公告)号：US11674048B2

    公开(公告)日：2023-06-13

    申请号：US16643079

    申请日：2018-08-29

    Applicant: BASF SE

    Inventor： Ekkehard Jahns ,  Timo Mangel ,  Yeni Burk ,  Joachim Pakusch

    IPC: C09D133/08 ,  C08K3/013 ,  C08F220/18 ,  C08F20/12 ,  C08K3/30 ,  C08L21/02 ,  C08L25/06 ,  C08L35/06 ,  C08L71/02 ,  C08F12/08

    CPC classification number: C09D133/08 ,  C08F12/08 ,  C08F20/12 ,  C08F220/1804 ,  C08K3/013 ,  C08K3/30 ,  C08L21/02 ,  C08L25/06 ,  C08L35/06 ,  C08L71/02 ,  C08K2003/3045

    Abstract: The present invention relates to the use of liquid aqueous polymer compositions containing an aqueous polymer latex and at least one inorganic particulate material for providing flexible roof coatings. The present invention also relates to a method for providing flexible roof coatings, which comprises applying said liquid aqueous polymer compositions to a flat roof. The liquid aqueous polymer composition contain, a. an aqueous polymer latex, where the polymer in the polymer latex is made of polymerized monomers M, where the polymerized ethylenically unsaturated monomers M comprise a combination of) at least two different monoethylenically unsaturated, non-ionic monomers M1, whose homopolymers have a theoretical glass transition temperature Tg(th) of at least 25° C. and ii) at least two different monoethylenically unsaturated, non-ionic monomers M2, whose homopolymers have a theoretical glass transition temperature Tg(th) of at less than 25° C., where each of the monomers M1 and M2 have a solubility in deionized water of at most 50 g/L and where the total amount of monomers M1 and M2 contributes with at least 90% by weight to the total amount of the monomers M, and b. at least one inorganic particulate material selected from inorganic pigments, inorganic fillers and mixtures thereof.

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