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    • 4. 发明授权
    • Article having silver layer
    • 文章有银层
    • US06517945B2
    • 2003-02-11
    • US09953549
    • 2001-09-17
    • Masaaki KishimotoJunichi KawashimaKenji Hashimoto
    • Masaaki KishimotoJunichi KawashimaKenji Hashimoto
    • B32B904
    • G02B5/0866B05D5/067C09D183/04C09D183/10F21V7/22Y10T428/31663
    • The present invention relates to an article having a silver layer and a resin composition for a coating material for silver which is used in reflective mirrors of photocopy machines and reflective members for indoor and outdoor lighting appliances, automobile headlights and the like. The article having a silver layer of the present invention has a first cured coating layer (A) comprising a resin having anti-corrosion properties for silver, and adhesiveness for both the substrate and silver or metal comprising mainly silver formed between the substrate and the silver layer (B); and, formed on the silver layer (B), a second cured coating layer (C) comprising a resin selected from the group consisting of a silicone acrylic resin (cl), a silicone alkyd resin (c2), and a multi-functional silicon cross-linked resin (c3) having a main chain formed by siloxane bonds. This type of article having a silver layer is superior in anti-discoloration (anti-corrosion) properties of the silver layer (B). In addition, since the resin composition for coating materials for silver of the present invention contains a multi-functional silicone cross-linked resin (c3) having a main chain formed by siloxane bends, it is superior in heat resistance, there is no yellowing of the coating thereof even when exposed to temperatures around 200° C. and it gives superior anti-discoloration (anti-corrosion) properties to silver.
    • 本发明涉及一种具有银层和用于银的涂料的树脂组合物的物品,其用于复印机的反射镜和用于室内和室外照明设备,汽车前灯等的反射构件。 具有本发明的银层的制品具有包含对银具有防腐蚀性的树脂的第一固化涂层(A),以及基材和基体与银之间形成的主要为银的银或金属的粘合性 层(B); 并且在所述银层(B)上形成第二固化涂层(C),所述第二固化涂层(C)包含选自硅氧烷丙烯酸树脂(c1),硅氧烷醇酸树脂(c2)和多功能硅 具有通过硅氧烷键形成的主链的交联树脂(c3)。 这种具有银层的制品在银层(B)的抗变色(抗腐蚀)性能方面是优异的。 另外,由于本发明的银用涂料用树脂组合物含有具有通过硅氧烷弯曲形成的主链的多官能硅氧烷交联树脂(c3),因此耐热性优异,不会发黄 即使在暴露于约200℃的温度下也可以进行涂布,并且对银赋予优异的抗变色(防腐蚀)性能。