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公开(公告)号：US07862851B2
公开(公告)日：2011-01-04
申请号：US11568523
申请日：2005-05-25
申请人： Heinrich Wonnemann , Lars Hof , Werner Blömer
发明人： Heinrich Wonnemann , Lars Hof , Werner Blömer
摘要： A process for coating electrically conductive substrates by (1) applying an electrocoat film to an electrically conductive substrate and curing it to give an electrocoat and then (2) applying a layer of a pulverulent coating material to the electrocoat and curing it to give a powder coat or alternatively (1) applying an electrocoat film to an electrically conductive substrate and drying it without fully curing it, (2) applying a layer of a pulverulent coating material to the dried electrocoat film(s) and (3) jointly curing the dried electrocoat film and the layer of the pulverulent coating material to give the electrocoat and the powder coat wherein the pulverulent coating material comprises (A) at least one epoxy resin having a melting point, melting range or glass transition temperature>30° C., (B) at least one carboxyl-containing polyester resin having a melting point, melting range or glass transition temperature>30° C., and (C) at least one polycarboxylic acid having a melting point of between 80 and 160° C.
摘要翻译： （1）将电泳涂层涂布在导电性基材上并进行固化，得到电泳涂层，然后（2）将一层粉状涂料施涂到电泳衣上并使其固化得到粉末的方法， 或者（1）将电涂膜施加到导电基材上并干燥而不完全固化，（2）将一层粉状涂料施加到干燥的电泳涂膜上，和（3）将干燥的 电涂层和粉末涂料层，得到电涂层和粉末涂料，其中粉末涂料包含（A）至少一种具有熔点，熔点或玻璃化转变温度> 30℃的环氧树脂（ B）至少一种具有熔点，熔点或玻璃化转变温度> 30℃的含羧基聚酯树脂，和（C）至少一种具有熔融p的多元羧酸 80至160℃之间的软膏
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公开(公告)号：US20070224337A1
公开(公告)日：2007-09-27
申请号：US11568523
申请日：2005-05-25
申请人： Heinrich Wonnemann , Lars Hof , Werner Blomer
发明人： Heinrich Wonnemann , Lars Hof , Werner Blomer
摘要： A process for coating electrically conductive substrates by (1) applying an electrocoat film to an electrically conductive substrate and curing it to give an electrocoat and then (2) applying a layer of a pulverulent coating material to the electrocoat and curing it to give a powder coat or alternatively (1) applying an electrocoat film to an electrically conductive substrate and drying it without fully curing it, (2) applying a layer of a pulverulent coating material to the dried electrocoat film(s) and (3) jointly curing the dried electrocoat film and the layer of the pulverulent coating material to give the electrocoat and the powder coat wherein the pulverulent coating material comprises (A) at least one epoxy resin having a melting point, melting range or glass transition temperature >30° C., (B) at least one carboxyl-containing polyester resin having a melting point, melting range or glass transition temperature >30° C., and (C) at least one polycarboxylic acid having a melting point of between 80 and 160° C.
摘要翻译： （1）将电泳涂层涂布在导电性基材上并进行固化，得到电泳涂层，然后（2）将一层粉状涂料施涂到电泳衣上并使其固化得到粉末的方法， 或者（1）将电涂膜施加到导电基材上并干燥而不完全固化，（2）将一层粉状涂料施加到干燥的电泳涂膜上，和（3）将干燥的 电涂层和粉末涂料层，得到电涂层和粉末涂料，其中粉末涂料包含（A）至少一种具有熔点，熔点或玻璃化转变温度> 30℃的环氧树脂（ B）至少一种具有熔点，熔点或玻璃化转变温度> 30℃的含羧基聚酯树脂，和（C）至少一种具有熔融的多元羧酸 点在80和160°C之间
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