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    Multilayered coating with powder clear coating and substrates therewith and method
    3.
    发明授权
    Multilayered coating with powder clear coating and substrates therewith and method 失效
    具有粉末透明涂层和基材的多层涂层及方法

    公开(公告)号：US6077608A

    公开(公告)日：2000-06-20

    申请号：US932505

    申请日：1997-09-18

    申请人： Karen A. Barkac ,  Joseph Benga ,  John M. Furar ,  Charles M. Kania ,  Gaurav Agrawal ,  Paul H. Lamers

    发明人： Karen A. Barkac ,  Joseph Benga ,  John M. Furar ,  Charles M. Kania ,  Gaurav Agrawal ,  Paul H. Lamers

    IPC分类号： B05D7/00 ,  C08L33/06 ,  C08L73/02 ,  C09D133/06 ,  B32B9/04

    CPC分类号： B05D7/532 ,  B05D7/534 ,  C09D133/068 ,  B05D7/572 ,  C08L2205/02 ,  C08L33/068 ,  C08L73/02 ,  Y10S525/934 ,  Y10T428/31504

    摘要： Cured thermoset multilayered composite coatings with a powder clear coat and a waterborne base coat have improved chip resistance for the coating. The waterborne base coat composition has one or more crosslinkable film-forming polymers, one or more crosslinking agents for crosslinking the film-forming polymer, and one or more pigments. This basecoat is applied to a bare or previously painted substrate to give a film thickness in the range of about 0.1 to 3 mils (2.54 to 76.2 microns). The basecoat is dehydrated from treatment at a temperature from ambient to an elevated temperature of up to about 90.degree. C. for up to about 15 minutes before it is contacted with powder clear coating composition. The powder clear coating composition has a predominant amount of one or more crosslinkable, meltable and mobile film-forming polymer and/or copolymer having a weight average molecular weight of one or polymers/copolymers in the range of about 2000 to about 6000. The film-forming polymer or copolymer has an amount of functionality for crosslinking of at least 40 weight percent of the total resin solids for the polymers. The glass transition temperature for the powder coating composition is at least about 25.degree. C. The powder coating composition for the clear coat also has one or more crosslinking agents and when cured has a film thickness in the range of about 35 to about 100 microns. The basecoat and clear coat are co-cured. Optionally, one or more primer coats may be beneath the basecoat.

    摘要翻译： 具有粉末透明涂层和水性底漆的固化热固性多层复合涂层具有改善涂层的抗碎屑性能。 水性底漆组合物具有一种或多种可交联成膜聚合物，用于交联成膜聚合物的一种或多种交联剂和一种或多种颜料。 将该底涂层施加到裸露或预先涂漆的基材上，以得到约0.1至3密耳（2.54至76.2微米）范围内的膜厚度。 在与粉末透明涂料组合物接触之前，底漆从处于环境温度至高达约90℃的高温下脱水长达约15分钟。 粉末透明涂料组合物具有主要量的一种或多种可交联，可熔和可移动的成膜聚合物和/或共聚物，其重均分子量为1或聚合物/共聚物在约2000至约6000的范围内。该膜 形成的聚合物或共聚物具有用于交联聚合物的总树脂固体的至少40重量％的官能度。 用于粉末涂料组合物的玻璃化转变温度为至少约25℃。用于透明涂层的粉末涂料组合物还具有一种或多种交联剂，并且当固化时具有约35至约100微米范围内的膜厚度。 底漆和透明涂层共同固化。 任选地，一个或多个底漆涂层可以在底涂层之下。

    Method for determining the durability of a composite structure
    8.
    发明授权
    Method for determining the durability of a composite structure 失效
    确定复合结构耐久性的方法

    公开(公告)号：US06960768B2

    公开(公告)日：2005-11-01

    申请号：US10361430

    申请日：2003-02-10

    申请人： John M. Furar ,  Robyn E. McMillan

    发明人： John M. Furar ,  Robyn E. McMillan

    IPC分类号： G01N1/06 ,  G01N21/35

    CPC分类号： G01N21/3563 ,  G01N1/06

    摘要： A method is provided for predicting the durability of a composite structure, such as a composite polymeric coating. The method includes obtaining a sample of a first (reference) composite structure and analyzing at least one layer of the structure for indications of degradation. The sample can be obtained by low angle microtomy. Degradation values and a degradation slope of the first composite structure can be defined. One or more degradation values for a second composite structure can be obtained and the durability of the second composite structure can be predicted by comparing the degradation slope of the second composite structure to the degradation slope of the first composite structure.

    摘要翻译： 提供了一种用于预测复合结构例如复合聚合物涂层的耐久性的方法。 该方法包括获得第一（参考）复合结构的样本并且分析至少一层结构以用于降解的指示。 样品可以通过低角度切片术获得。 可以定义第一复合结构的降解值和退化斜率。 可以获得第二复合结构的一个或多个劣化值，并且可以通过将第二复合结构的退化斜率与第一复合结构的退化斜率进行比较来预测第二复合结构的耐久性。

    Powder coating compositions and coated substrates with multilayered coatings
    9.
    发明授权
    Powder coating compositions and coated substrates with multilayered coatings 失效
    粉末涂料组合物和具有多层涂层的涂布基材

    公开(公告)号：US06277917B1

    公开(公告)日：2001-08-21

    申请号：US09326921

    申请日：1999-06-07

    申请人： Anton Jurgetz ,  Karen B. Allen ,  John M. Furar ,  Kurt A. Humbert ,  Charles M. Kania ,  Stephen G. McQuown ,  Karen S. Rechenberg

    发明人： Anton Jurgetz ,  Karen B. Allen ,  John M. Furar ,  Kurt A. Humbert ,  Charles M. Kania ,  Stephen G. McQuown ,  Karen S. Rechenberg

    IPC分类号： C09D13314

    CPC分类号： B05D7/532 ,  B05D7/534 ,  B05D7/572 ,  C08L33/068 ,  C08L73/02 ,  C08L2205/02 ,  C09D133/068 ,  Y10S525/934 ,  Y10T428/31504 ,  C08L2666/04 ,  C08L2666/28 ,  C08L2666/02

    摘要： Curable powder clear coating composition and coated substrate with multilayered coatings have as the predominant film-forming polymer in the coating at least one epoxy acrylic copolymer in an amount from 60 to 99.99 percent by weight and 10 to 40 percent by weight of a polycarboxylic acid crosslinking agent. The percentages by weight are based on solids of the curable coating composition. A single predominant film-forming epoxy acrylic copolymer has a number average molecular weight in the range of about 1000 to 5500; a calculated Tg in the range of 50 to 85° C.; epoxy content in the range of 35 to 85, and a styrene content resulting from an amount of styrene monomer in the range of up to about 25 weight percent based on the weight percent of the monomers to form the copolymer. The blend of epoxy acrylic copolymer has one polymer which is the single epoxy acrylic copolymer or one having a number average molecular weight in the range of about 1000 to about 10,000, a calculated Tg in the range of about 40° C. to 85° C., and an epoxy content from 40 to 60 weight percent of the total weight of the monomers to prepare the epoxy acrylic copolymer. The other polymer of the blend has a number average molecular weight in the range of about 500 to about 3000, a calculated Tg in the range of about 35° C. to about 125° C., and an epoxy content from glycidyl functional ethylenically unsaturated monomer that is higher than that of the first epoxy functional acrylic copolymer of the blend and in the range of about 50 to about 100.

    摘要翻译： 可固化的粉末透明涂料组合物和具有多层涂料的涂布基材在涂层中具有作为主要成膜聚合物的至少一种环氧丙烯酸共聚物，其量为60至99.99重量％，10至40重量％的多元羧酸交联 代理商 重量百分比是基于可固化涂料组合物的固体。 单一主要的成膜环氧丙烯酸共聚物的数均分子量在约1000至5500的范围内; 计算的Tg在50至85℃的范围内。 环氧含量在35至85范围内，苯乙烯含量由苯乙烯单体的量的至多约25重量％范围内，基于形成共聚物的单体的重量百分数。 环氧丙烯酸共聚物的共混物具有一种聚合物，其是单环氧丙烯酸共聚物或具有数均分子量在约1000至约10,000范围内的聚合物，计算的Tg在约40℃至85℃的范围内 ，并且环氧树脂含量为单体总重量的40至60重量％，以制备环氧丙烯酸共聚物。 共混物的其它聚合物的数均分子量在约500至约3000的范围内，计算的Tg在约35℃至约125℃的范围内，并且来自缩水甘油基官能烯属不饱和的环氧基含量 单体，高于共混物的第一环氧官能丙烯酸共聚物的单体，并且在约50至约100的范围内。