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    Aqueous compositions for can coating
    1.
    发明申请
    Aqueous compositions for can coating 失效
    用于罐涂的水性组合物

    公开(公告)号：US20050075451A1

    公开(公告)日：2005-04-07

    申请号：US10953164

    申请日：2004-09-29

    申请人： Christian Wamprecht ,  Beate Baumbach ,  Wolfram Kuttner

    发明人： Christian Wamprecht ,  Beate Baumbach ,  Wolfram Kuttner

    IPC分类号： C09D131/02 ,  C09D5/00 ,  C09D7/12 ,  C09D161/06 ,  C09D161/20 ,  C09D161/24 ,  C09D161/26 ,  C09D167/00 ,  C08L67/03

    CPC分类号： C09D167/00 ,  C08L2666/16

    摘要： An aqueous coating composition containing A) one or more water-dilutable polyester polyols having an OH number of from 20 to 300 mg KOH/g and an acid number of from 20 to 80 mg KOH/g, obtained by reacting a) 49 to 40 mol % of a carboxylic acid component containing a1) one or more aliphatic, cycloaliphatic, araliphatic and/or aromatic carboxylic acids with a COOH functionality ≧2 and a2) optionally, aromatic, cycloaliphatic and/or aliphatic monocarboxylic acids with b) 51 to 60 mol % of an alcohol component containing b1) one or more aliphatic, cycloaliphatic and/or araliphatic polyols with Mn of from 62 to 272 g/mol and an average OH functionality ≧2 and b2) optionally, aliphatic, cycloaliphatic and/or araliphatic mono alcohols, B) one or more OH-reactive crosslinkers C) water, D) neutralizing agents and E) optionally solvents, auxiliaries and additives. The aqueous coating compositions can be used for coating metal substrates, such as cans.

    摘要翻译： 一种水性涂料组合物，其含有A）一种或多种水可稀释的聚酯多羟基化合物，其羟值为20-300mg KOH / g，酸值为20-80mg KOH / g，通过使a）49至40 mol％的含有a1）一种或多种脂族，脂环族，芳脂族和/或芳族羧酸的羧酸组分，其COOH官能度≥2，和a2）任选的芳族，脂环族和/或脂肪族单羧酸，其中b）51至 60摩尔％的醇组分，其含有b1）一种或多种脂肪族，脂环族和/或芳脂族多元醇，Mn为62〜272g / mol，平均OH官能度= 2，b2）任选地，脂族，脂环族和/或 芳族脂肪族一元醇，B）一种或多种OH反应性交联剂C）水，D）中和剂和E）任选的溶剂，助剂和添加剂。 水性涂​​料组合物可用于涂覆金属基材，例如罐。

    Aqueous coatings for food containers
    3.
    发明申请
    Aqueous coatings for food containers 审中-公开
    食品容器用水性涂料

    公开(公告)号：US20060149019A1

    公开(公告)日：2006-07-06

    申请号：US11301622

    申请日：2005-12-13

    申请人： Christian Wamprecht ,  Jan Mazanek ,  Beate Baumbach ,  Wolfram Kuttner ,  Dorota Greszta-Franz

    发明人： Christian Wamprecht ,  Jan Mazanek ,  Beate Baumbach ,  Wolfram Kuttner ,  Dorota Greszta-Franz

    IPC分类号： C08G18/00

    CPC分类号： C08G18/4263 ,  C08G18/792 ,  C08G18/8067 ,  C08G18/8074 ,  C08G2390/40 ,  C09D175/06

    摘要： The present invention relates to aqueous coating compositions containing A) at least one polyisocyanate which contains an average of at least two NCO groups per molecule and in which at least 85% of the NCO groups are blocked with a blocking agent selected from ε-caprolactam and/or a hydroxycarboxylic acid, and B) at least one hydrophilic polyester polyol containing an average of at least two reactive hydroxyl groups per molecule, or a mixture of hydrophilic and non-hydrophilic polyester polyols, wherein component B) has an acid number of ≧15 mg KOH/g, a hydroxyl number of 20 to 300 mg KOH/g and a weight average molecular weight, Mw, of >1500 g/mol, wherein the equivalent ratio between the blocked isocyanate groups of component A) and the isocyanate-reactive groups of component B) is 0.5 to 5.0:1. The present invention also relates to a process for preparing these aqueous coating compositions, to coatings obtained from these aqueous coating compositions, particularly coatings for packaging and for the interior of cans.

    摘要翻译： 本发明涉及包含A）至少一种多异氰酸酯的水性涂料组合物，其每分子含有平均至少两个NCO基团，其中至少85％的NCO基团用封闭剂封闭，所述封闭剂选自ε-己内酰胺和 /或羟基羧酸，和B）至少一种含有每分子平均至少两个反应性羟基的亲水性聚酯多元醇，或亲水性和非亲水性聚酯多元醇的混合物，其中组分B）的酸值> = 15mg KOH / g，羟值为20-300mg KOH / g，重均分子量M w> 1500g / mol，其中封端异氰酸酯之间的当量比 组分A）和组分B）的异氰酸酯反应性基团为0.5至5.0:1。 本发明还涉及一种制备这些水性涂料组合物的方法，由这些水性涂料组合物获得的涂料，特别是用于包装的涂料和罐内部。

    Aqueous compositions for can coating
    5.
    发明授权
    Aqueous compositions for can coating 失效
    用于罐涂的水性组合物

    公开(公告)号：US07659341B2

    公开(公告)日：2010-02-09

    申请号：US10953164

    申请日：2004-09-29

    申请人： Christian Wamprecht ,  Beate Baumbach ,  Wolfram Küttner

    发明人： Christian Wamprecht ,  Beate Baumbach ,  Wolfram Küttner

    IPC分类号： C08L67/00

    CPC分类号： C09D167/00 ,  C08L2666/16

    摘要： An aqueous coating composition containing A) one or more water-dilutable polyester polyols having an OH number of from 20 to 300 mg KOH/g and an acid number of from 20 to 80 mg KOH/g, obtained by reacting a) 49 to 40 mol % of a carboxylic acid component containing a1) one or more aliphatic, cycloaliphatic, araliphatic and/or aromatic carboxylic acids with a COOH functionality ≧2 and a2) optionally, aromatic, cycloaliphatic and/or aliphatic monocarboxylic acids with b) 51 to 60 mol % of an alcohol component containing b1) one or more aliphatic, cycloaliphatic and/or araliphatic polyols with Mn of from 62 to 272 g/mol and an average OH functionality ≧2 and b2) optionally, aliphatic, cycloaliphatic and/or araliphatic monoalcohols, B) one or more OH-reactive crosslinkers C) water, D) neutralizing agents and E) optionally solvents, auxiliaries and additives. The aqueous coating compositions can be used for coating metal substrates, such as cans.

    摘要翻译： 一种水性涂料组合物，其含有A）一种或多种水可稀释的聚酯多羟基化合物，其羟值为20-300mg KOH / g，酸值为20-80mg KOH / g，通过使a）49至40 mol％的含有a1）一种或多种脂族，脂环族，芳脂族和/或芳族羧酸的羧酸组分，其COOH官能度≥2，和a2）任选的芳族，脂环族和/或脂肪族单羧酸，其中b）51至 60摩尔％的醇组分，其含有b1）一种或多种脂肪族，脂环族和/或芳脂族多元醇，Mn为62〜272g / mol，平均OH官能度= 2，b2）任选地，脂族，脂环族和/或 芳族脂肪族一元醇，B）一种或多种OH反应性交联剂C）水，D）中和剂和E）任选的溶剂，助剂和添加剂。 水性涂​​料组合物可用于涂覆金属基材，例如罐。

    Coatings for food containers
    6.
    发明授权
    Coatings for food containers 有权
    食品容器用涂料

    公开(公告)号：US07517559B2

    公开(公告)日：2009-04-14

    申请号：US10969144

    申请日：2004-10-20

    申请人： Christoph Thiebes ,  Beate Baumbach ,  Eduard Hänsel ,  Wolfram Küttner ,  Christian Wamprecht

    发明人： Christoph Thiebes ,  Beate Baumbach ,  Eduard Hänsel ,  Wolfram Küttner ,  Christian Wamprecht

    IPC分类号： B05D3/02

    CPC分类号： C09D175/14 ,  C08G18/542 ,  C08G18/68 ,  C08G18/792 ,  C08G18/8074 ,  C08G2390/40

    摘要： The present invention relates to inner coatings of metal food containers and packaging and to a process for their production. The coatings are applied to the inside of at least a portion of the surface area of containers that are in direct contact with foods or other consumable products and subsequently cured. The coatings include a) at least one polyisocyanate containing an average of at least two NCO groups per molecule, at least 95% of the NCO groups being blocked with a blocking agent, and b) at least one polyhydroxyl compound containing an average of at least two hydroxyl groups per molecule that react with NCO groups.

    摘要翻译： 本发明涉及金属食品容器和包装的内部涂层及其生产方法。 将涂层施加到与食品或其他消费品直接接触的容器表面区域的至少一部分的内部，并随后固化。 涂层包括a）至少一种每分子平均含有至少两个NCO基团的多异氰酸酯，至少95％的NCO基团用封闭剂封闭，和b）至少一种至少含有至少一个平均值的多羟基化合物 每个分子的两个羟基与NCO基团反应。