公开(公告)号：US06375866B1

公开(公告)日：2002-04-23

申请号：US09478951

申请日：2000-01-07

申请人： Vincent Paneccasio, Jr. ,  Mark P. Chasse′

发明人： Vincent Paneccasio, Jr. ,  Mark P. Chasse′

IPC分类号： H01B122

CPC分类号： H05K9/0092 ,  C09D5/24 ,  H01B1/22 ,  H05K1/095

摘要： An electrically conductive paint for applying to substrates to make articles of manufacture including EMI/RFI shielded housings of electronic components and printing plates comprises a cross-linked organic resin binder containing cross-linkable functional groups such as OH groups, electrically conductive metallic particles, preferably a mixture of silver flakes and silver-coated copper flakes, a solvent, a cross-linking agent which cross-links with itself and with the functional groups of the organic binder and preferably a catalyst which accelerates cross-linking of the cross-linking agent and organic binder. Using such a paint formulation it has been found that thinner coatings can be used while still exceeding the properties needed for EMI/RFI shielding of housing for electronic components. A Theological additive which is an organic derivative of castor oil is preferably used to control the viscosity and spraying characteristics of the paint especially in a paint composition containing silver coated copper flakes. The conductive paint provides a sprayed coating which is durable, has low resistivity and is smooth and has both cohesive and adhesive strength. A method is also provided for forming EMI/RFI shielding on housings for electronic components and electronic components made using the method and paint composition of the invention. Another method is provided for making printing plates used to print a design on an article such as a beverage can. The printing plate is made by applying the conductive paint of the invention to a polymer imaged substrate such as a steel plate.

摘要翻译： 用于施加到基板以制造包括电子部件和印刷板的EMI / RFI屏蔽外壳的制品的导电涂料包括含有可交联官能团如OH基，导电金属颗粒的交联有机树脂粘合剂，优选地 银薄片和银包铜薄片的混合物，溶剂，与其自身交联并与有机粘合剂的官能团交联的交联剂，优选加速交联剂交联的催化剂 和有机粘合剂。 已经发现使用这种涂料配方，可以使用更薄的涂层，同时仍然超过用于电子部件的外壳的EMI / RFI屏蔽所需的性能。 作为蓖麻油的有机衍生物的神学添加剂优选用于控制油漆的粘度和喷涂特性，特别是在含有银涂布的铜薄片的涂料组合物中。 导电涂料提供耐用的，具有低电阻率并且光滑并且具有粘结和粘合强度的喷涂。 还提供了一种用于在使用本发明的方法和涂料组合物制造的电子部件和电子部件的壳体上形成EMI / RFI屏蔽的方法。 提供另一种方法用于制造用于在诸如饮料罐的物品上印刷设计的印刷板。 印版通过将本发明的导电涂料施加到诸如钢板的聚合物成像基板上而制成。

公开(公告)号：US6013203A

公开(公告)日：2000-01-11

申请号：US136219

申请日：1998-08-19

申请人： Vincent Paneccasio, Jr. ,  Mark P. Chasse

发明人： Vincent Paneccasio, Jr. ,  Mark P. Chasse

IPC分类号： C09D5/24 ,  H01B1/22 ,  H05K1/09 ,  H05K9/00

CPC分类号： H05K9/0092 ,  C09D5/24 ,  H01B1/22 ,  H05K1/095

摘要： An electrically conductive paint for providing EMI/RFI shielding for housings of electronics components comprises a cross-linked organic resin binder containing cross-linkable functional groups such as OH groups, electrically conductive metallic particles, preferably a mixture of silver flakes and silver-coated copper flakes, a solvent, a cross-linking agent which cross-links with itself and with the functional groups of the organic binder and preferably a catalyst which accelerates cross-linking of the cross-linking agent and organic binder. Using such a paint formulation it has been found that thinner coatings can be used while still exceeding the properties needed for EMI/RFI shielding of housing for electronic components. A rheological additive which is an organic derivative of castor oil is preferably used to control the viscosity and spraying characteristics of the paint especially in a paint composition containing silver coated copper flakes. The conductive paint provides a sprayed coating which is durable, has low resistivity and is smooth and has both cohesive and adhesive strength. A method is also provided for forming EMI/RFI shielding on housings for electronic components and electronic components made using the method and paint composition of the invention.

摘要翻译： 用于为电子部件的壳体提供EMI / RFI屏蔽的导电涂料包括含有可交联官能团如OH基团的交联有机树脂粘合剂，导电金属颗粒，优选银薄片和银涂层铜的混合物 薄片，溶剂，与其自身和有机粘合剂的官能团交联的交联剂，优选加速交联剂和有机粘合剂的交联的催化剂。 已经发现使用这种涂料配方，可以使用更薄的涂层，同时仍然超过用于电子部件的外壳的EMI / RFI屏蔽所需的性能。 作为蓖麻油的有机衍生物的流变添加剂优选用于控制涂料的粘度和喷涂特性，特别是在含有银涂布的铜薄片的涂料组合物中。 导电涂料提供耐用的，具有低电阻率并且光滑并且具有粘结和粘合强度的喷涂。 还提供了一种用于在使用本发明的方法和涂料组合物制造的电子部件和电子部件的壳体上形成EMI / RFI屏蔽的方法。