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    AQUEOUS POLYURETHANE-POLYUREA DISPERSION AND AQUEOUS BASE PAINT CONTAINING SAID DISPERSION
    21.
    发明申请
    AQUEOUS POLYURETHANE-POLYUREA DISPERSION AND AQUEOUS BASE PAINT CONTAINING SAID DISPERSION 有权

    公开(公告)号：US20210002509A1

    公开(公告)日：2021-01-07

    申请号：US17025139

    申请日：2020-09-18

    Applicant: BASF Coatings GmbH

    Inventor： Hardy REUTER ,  Matthias BLOHM ,  Bernhard STEINMETZ ,  Peggy JANKOWSKI ,  Dirk EIERHOFF ,  Thomas ZIHANG

    IPC: C09D175/04 ,  C08G18/66 ,  C08G18/75 ,  C08G18/08 ,  C08G18/42 ,  C08G18/76 ,  B05D7/00 ,  B05D7/14 ,  C08G18/10 ,  C08G18/24 ,  C08G18/80 ,  C09D5/00

    Abstract: The present invention relates to an aqueous polyurethane-polyurea dispersion (PD) having polyurethane-polyurea particles, present in the dispersion, having an average particle size of 40 to 2000 nm, and having a gel fraction of at least 50%, obtainable by (I) preparing a composition (Z) comprising based each case on the total amount of the composition (Z), (Z.1) 15 to 65 wt % of at least one intermediate containing isocyanate groups and having blocked primary amino groups, its preparation comprising the reaction (Z.1.1) of at least one polyurethane prepolymer containing isocyanate groups and comprising anionic groups and/or groups which can be converted into anionic groups, with (Z.1.2) at least one polyamine comprising at least two blocked primary amino groups and at least one free secondary amino group, by addition reaction of isocyanate groups from (Z.1.1) with tree secondary amino groups from (Z.1.2), (Z.2) 35 to 85 wt % of at least one organic solvent which possesses a solubility in water, of not more than 38 wt % at a temperature of 20° C., (II) dispersing the composition (Z) in aqueous phase, and (III) at least partly removing the at least one organic solvent (Z.2) from the dispersion obtained in (II), The present invention also relates to basecoat materials comprising the dispersion (PD), and to multicoat paint systems produced using the basecoat materials.

    CARBOXY-FUNCTIONAL POLYETHER-BASED REACTION PRODUCTS AND AQUEOUS BASECOAT MATERIALS COMPRISING SAID PRODUCTS
    27.
    发明申请
    CARBOXY-FUNCTIONAL POLYETHER-BASED REACTION PRODUCTS AND AQUEOUS BASECOAT MATERIALS COMPRISING SAID PRODUCTS 审中-公开

    公开(公告)号：US20170137666A1

    公开(公告)日：2017-05-18

    申请号：US15322887

    申请日：2015-06-16

    Applicant: BASF Coatings GmbH

    Inventor： Bernhard STEINMETZ ,  Peter HOFFMANN ,  Hardy REUTER

    IPC: C09D175/04 ,  C08G18/42 ,  C08G18/48 ,  B05D5/00 ,  B05D3/10 ,  B05D7/00 ,  B05D7/24 ,  C09D5/02 ,  C08G18/73

    Abstract: The present invention relates to a pigmented aqueous basecoat material comprising a polyether-based reaction product which is preparable by reaction of (a) at least one compound of the formula (I) X1-Y-X2  (I) in which X1 and X2, independently of one another, are each a functional group which is reactive toward hydroxyl groups, and Y is a divalent aliphatic or araliphatic, carboxy-functional organic radical having a number-average molecular weight of 100 to 1000 g/mol, with (b) at least one polyether of the general structural formula (II) in which R is a C3 to C6 alkylene radical and n is selected accordingly such that the polyether (b) possesses a number-average molecular weight of 200 to 4000 g/mol, where components (a) and (b) are used in the reaction in a molar ratio of 0.7/2.3 to 1.6/1.7 and the resulting reaction product possesses a number-average molecular weight of 500 to 15 000 g/mol and an acid number of 10 to 120 mg KOH/g.

    METHOD FOR PRODUCING A MULTICOAT PAINT SYSTEM
    28.
    发明申请
    METHOD FOR PRODUCING A MULTICOAT PAINT SYSTEM 审中-公开
    生产多层涂料系统的方法

    公开(公告)号：US20160347957A1

    公开(公告)日：2016-12-01

    申请号：US15104820

    申请日：2014-12-11

    Applicant: BASF Coatings GmbH

    Inventor： Bernhard STEINMETZ ,  Nadia LUHMANN ,  Peggy JANKOWSKI ,  Michael MATURA ,  Hardy REUTER ,  Peter HOFFMANN

    IPC: C09D5/44 ,  C25D13/04 ,  B05D7/00

    CPC classification number: C09D5/4465 ,  B05D7/53 ,  B05D7/577 ,  C08G18/0823 ,  C08G18/10 ,  C08G18/3271 ,  C08G18/348 ,  C08G18/4288 ,  C08G18/6659 ,  C08G18/755 ,  C08G18/8108 ,  C09D175/16 ,  C25D13/04 ,  C08G18/3206

    Abstract: The present invention relates to a method for producing a multicoat paint system on a metallic substrate, in which a basecoat or a plurality of directly successive basecoats are produced directly on a metallic substrate coated with a cured electrocoat, a clearcoat is produced directly on the one basecoat or the uppermost of the plurality of basecoats, and then the one or more basecoats and the clearcoat are jointly cured, and wherein at least one basecoat material used for production of the basecoats comprises the following components: an aqueous dispersion comprising at least one specific copolymer, a specific linear hydroxy-functional reaction product and a polyurethane resin, the preparation of which involves using at least one compound containing at least one carboxylic acid group and at least one group reactive toward isocyanate groups.

    Abstract translation: 本发明涉及一种在金属基材上制造多色漆系统的方法，其中在涂有固化的电泳涂层的金属基材上直接制造底漆或多个直接连续的底漆，直接在一个 底漆或多个底涂层的最上面，然后一个或多个底涂层和透明涂层共同固化，并且其中用于制备底涂层的至少一种底漆材料包括以下组分：包含至少一种特定的 共聚物，特定的线性羟基官能反应产物和聚氨酯树脂，其制备方法包括使用至少一种含有至少一个羧酸基团的化合物和至少一个对异氰酸酯基团具有反应性的基团。

    METHOD FOR PRODUCING A MULTICOAT PAINT SYSTEM
    29.
    发明申请
    METHOD FOR PRODUCING A MULTICOAT PAINT SYSTEM 审中-公开
    生产多层涂料系统的方法

    公开(公告)号：US20160319152A1

    公开(公告)日：2016-11-03

    申请号：US15104442

    申请日：2014-11-19

    Applicant: BASF COATINGS GMBH

    Inventor： Hardy REUTER ,  Bernhard STEINMETZ ,  Matthias BLOHM ,  Carsten TEICHMANN ,  Bianca GOEB

    IPC: C09D175/04 ,  B05D1/00 ,  B05D7/00 ,  C25D13/04 ,  C09D5/44

    CPC classification number: C09D175/04 ,  B05D1/007 ,  B05D7/572 ,  B05D7/577 ,  C09D5/4488 ,  C25D13/04

    Abstract: The present invention relates to a method for producing a multicoat paint system on a metallic substrate, in which a basecoat or a plurality of directly successive basecoats are produced directly on a metallic substrate coated with a cured electrocoat, a clearcoat is produced directly on the one basecoat or the uppermost of the plurality of basecoats, and then the one or more basecoats and the clearcoat are jointly cured, and wherein at least one basecoat material used for production of the basecoats comprises at least one aqueous dispersion comprising at least one copolymer, said copolymer being preparable by (i) initially charging an aqueous dispersion of at least one polyurethane, and then (ii) polymerizing a mixture of olefinically unsaturated monomers in the presence of the polyurethane from (i), in which (a) a water-soluble initiator is used, (b) the olefinically unsaturated monomers are metered in such that a concentration of 6.0% by weight, based on the total amount of olefinically unsaturated monomers used for polymerization, in the reaction solution is not exceeded over the entire reaction time, and (c) the mixture of the olefinically unsaturated monomers comprises at least one polyolefinically unsaturated monomer.

    Abstract translation: 本发明涉及一种在金属基材上制造多色漆系统的方法，其中在涂有固化的电泳涂层的金属基材上直接制造底漆或多个直接连续的底漆，直接在一个 底涂层或多个底涂层的最上面，然后一个或多个底涂层和透明涂层共同固化，并且其中用于制备底涂层的至少一种底漆材料包含至少一种包含至少一种共聚物的水性分散体，所述至少一种共聚物 共聚物可通过（i）最初加入至少一种聚氨酯的水性分散体，然后（ii）在（i）的聚氨酯存在下聚合烯属不饱和单体的混合物，其中（a）水溶性 使用引发剂，（b）将烯属不饱和单体计量，使得浓度为6.0重量％，基于烯属 用于聚合的烯丙基不饱和单体在整个反应时间内不超过反应溶液，和（c）烯属不饱和单体的混合物包含至少一种聚烯烃不饱和单体。

    METHOD FOR PRODUCING A MULTICOAT PAINT SYSTEM
    30.
    发明申请
    METHOD FOR PRODUCING A MULTICOAT PAINT SYSTEM 有权
    生产多层涂料系统的方法

    公开(公告)号：US20160236234A1

    公开(公告)日：2016-08-18

    申请号：US15027408

    申请日：2014-11-18

    Applicant: BASF COATINGS GMBH

    Inventor： Bernhard STEINMETZ ,  Holger KRUMM ,  Stephanie Pei Yii GOH ,  Peter HOFFMANN ,  Hardy REUTER ,  Peggy JANKOWSKI ,  Nadia LUHMANN

    IPC: B05D1/04 ,  B05B5/00

    CPC classification number: B05D1/04 ,  B05B5/00 ,  B05D7/577

    Abstract: The present invention relates to a method for producing a multicoat paint system on a metallic substrate, in which a basecoat or a plurality of directly successive basecoats are produced directly on a metallic substrate coated with a cured electrocoat, a clearcoat is produced directly on the one basecoat or the uppermost of the plurality of basecoats, and then the one or more basecoats and the clearcoat are jointly cured, and wherein at least one basecoat material used for production of the basecoats comprises at least one aqueous dispersion comprising at least one copolymer (CP), said copolymer (CP) being preparable by initially charging an aqueous dispersion of at least one polyurethane, and then polymerizing a mixture of olefinically unsaturated monomers in the presence of the polyurethane from (i), in which a water-soluble initiator is used, the olefinically unsaturated monomers are metered in such that a concentration of 6.0% by weight, based on the total amount of olefinically unsaturated monomers used for polymerization, in the reaction solution is not exceeded over the entire reaction time, and the mixture of the olefinically unsaturated monomers comprises at least one polyolefinically unsaturated monomer, and comprises at least one linear hydroxy-functional reaction product (R) having an acid number less than 20 mg KOH/g, the preparation of which involves using at least one compound (v) containing two functional groups (v.1) and an aliphatic or araliphatic hydrocarbyl radical (v.2) which is arranged between the functional groups and has 12 to 70 carbon atoms.

    Abstract translation: 本发明涉及一种在金属基材上制造多色漆系统的方法，其中在涂有固化的电泳涂层的金属基材上直接制造底漆或多个直接连续的底漆，直接在一个 底涂层或多个底涂层的最上面，然后一个或多个底涂层和透明涂层共同固化，并且其中用于制备底涂层的至少一种底漆材料包含至少一种包含至少一种共聚物（CP ），所述共聚物（CP）可以通过首先加入至少一种聚氨酯的水性分散体，然后在来自（i）的聚氨酯存在下聚合烯属不饱和单体的混合物，其中使用水溶性引发剂 ，计量烯属不饱和单体，使得浓度为6.0重量％，基于烯属不饱和单体的总量 用于聚合的饱和单体在整个反应时间内不超过反应溶液，并且烯属不饱和单体的混合物包含至少一种聚烯烃不饱和单体，并且包含至少一种线性羟基官能反应产物（R），其具有 酸值小于20mg KOH / g，其制备方法包括使用至少一种含有两个官能团（v.1）和脂族或芳脂族烃基（v.2）的化合物（v） 官能团并且具有12至70个碳原子。

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