Methods for forming an electrodeposited coating over a coated substrate and articles made thereby

A coated article includes a non-conductive substrate, such as glass. At least one conductive coating is formed over at least a portion of the substrate, such as by chemical vapor deposition or physical vapor deposition. The conductive coating can be a functional coating and can have a thickness in the range of greater than 0 Å to less than 25,000 Å, such as less than 10,000 Å. At least one polymeric coating is electrodeposited over at least a portion of the conductive coating.

Method of reducing mapping of an electrodepositable coating layer

The present invention is directed to a method for coating a substrate with a variety of coating compositions thereby reducing mapping of a coating composition deposited onto the substrate. In certain embodiments, the present invention is directed to the deposition of a zirconium based pretreatment composition onto a substrate with the subsequent deposition of an electrodepositable coating composition, which comprises a soluble alkaline earth metal ion, onto the pretreatment composition. The present invention is also directed to a coating system comprising various layers deposited from the coating compositions disclosed herein.

Electrocurtain coating process for coating solar mirrors

An electrically conductive protective coating or film is provided over the surface of a reflective coating of a solar mirror by flowing or directing a cation containing liquid and an anion containing liquid onto the conductive surface. The cation and the anion containing liquids are spaced from, and preferably out of contact with one another on the surface of the reflective coating as an electric current is moved through the anion containing liquid, the conductive surface between the liquids and the cation containing liquid to coat the conductive surface with the electrically conductive coating.

Electrodepositable coating compositions and related methods

An electrodepositable coating composition is provided including a resinous phase and corrosion resisting particles dispersed in an aqueous medium. Methods of preparing and using the composition also are provided.

Electrodepositable coating composition containing a cyclic guanidine

Electrodepositable coating compositions and their use in a method of cationic electrodeposition

In accordance with the present invention, an electrodepositable composition and a method of electrodeposition using the composition are provided. The electrodepositable composition comprises (a) an active hydrogen-containing, cationic salt group-containing resin electrodepositable on a cathode; (b) a capped polyisocyanate curing agent; and optionally, (c) a metal-containing catalyst. The capped polyisocyanate curing agent comprises a polyisocyanate at least partially capped with a material having structure (I): wherein n is a number of 1 to 10; m is a number of 1 to 10 and R is hydrogen or an alkyl or aryl group or substituted alkyl or aryl group having from about 1 to about 30 carbon atoms.

ELECTRODEPOSITION BATHROOMS CONTAINING METAL SALTS AND RELATED PROCEDURES.

Un baño de electrodeposición, baño de electrodeposición que comprende una fase resinosa dispersada en un medio acuoso, fase resinosa que comprende: (a) una resina fónica electrodepositable que contiene hidrógeno activo y (b) un agente de curado que tiene grupos funcionales reactivos con los hidrógenos activos de (a), y (c) como mínimo un compuesto metálico derivado de un metal seleccionado entre magnesio, estroncio, bario y mezclas de ellos, estando presente el mencionado compuesto en una cantidad que varía de 1 parte por millón a 10.000 partes por millón del metal total, con la condición de que no más de aproximadamente 1000 partes por millón estén en forma de metal soluble, en relación al peso del baño de electrodeposición. An electrodeposition bath, electrodeposition bath comprising a resinous phase dispersed in an aqueous medium, a resinous phase comprising: (a) an electrodepositable phonic resin containing active hydrogen and (b) a curing agent having functional groups reactive with the active hydrogens of (a), and (c) at least one metal compound derived from a metal selected from magnesium, strontium, barium and mixtures thereof, said compound being present in an amount ranging from 1 part per million to 10,000 parts per million of the total metal, with the proviso that no more than approximately 1000 parts per million are in the form of soluble metal, in relation to the weight of the electrodeposition bath.

ELECTRODEPOSITABLE COATING COMPOSITION CONTAINING A CYCLIC GUANIDINE

La presente solicitud se refiere a una composicion de electrorecubrimiento que comprende una guanidina cíclica. The present application relates to an electrocoating composition comprising a cyclic guanidine.

Method and device for detecting and controlling the level of biological contaminants in a coating process

The presence of biological contaminants in a liquid coating composition is determined by measuring the carbon dioxide content of the atmosphere above the liquid and comparing the measured carbon dioxide level to a baseline carbon dioxide level. A biocide can be added to the liquid when the measured carbon dioxide level reaches a predetermined value to control the level of biological contaminants in the liquid coating composition.

Electrodepositable coating composition containing a cyclic guanidine

The present invention is directed towards an electrocoating composition comprising a cyclic guanidine.

Method for producing bicyclic guanidines by use of a cyclic urea and a dehydrating agent

The present invention is directed to a method for producing bicyclic guanidines comprising heating a reaction mixture comprising cyclic urea and a dehydrating agent to a temperature ≧90° C.

electrodepositable coating composition

composição de revestimento eletrodepositável e substrato a presente invenção refere-se a uma composição de eletrodeposição compreedendo uma guanidina cíclica. electrodepositable coating composition and substrate The present invention relates to an electrodeposition composition comprising a cyclic guanidine.

Electrodepositable coating compositions and their use in a method of cationic electrodeposition

Electrodepositable coating compositions and their use in a method of cationic electrodeposition

In accordance with the present invention, an electrodepositable composition and a method of electrodeposition using the composition are provided. The electrodepositable composition comprises (a) an active hydrogen-containing, cationic salt group-containing resin electrodepositable on a cathode; (b) a capped polyisocyanate curing agent; and optionally, (c) a metal-containing catalyst. The capped polyisocyanate curing agent comprises a polyisocyanate at least partially capped with a material having the structure: wherein n is a number of 1 to 10; m is a number of 1 to 10 and R is hydrogen or an alkyl or aryl group or substituted alkyl or aryl group having from about 1 to about 30 carbon atoms.

Methods for forming an electrodeposited coating over a coated substrate and articles made thereby

A coated article includes a non-conductive substrate (12), such as glass. At least one conductive coating (16) is formed over at least a portion of the substrate, such as by chemical vapor deposition or physical vapor deposition. The conductive coating (16) can be a functional coating and can have a thickness in the range of greater than 0 Å to less than 25,000 Å , such as less than 10,000 Å. At least one polymeric coating (18) is electrodeposited over at least a portion of the conductive coating.

COMPOSITION OF ELECTRODEPOSITABLE COATING CONTAINING A CYCLIC GUANIDINE

DONDE DICHA COMPOSICION DE RECUBRIMIENTO COMPRENDE UN PRODUCTO DE REACCION ENTRE UN POLIMERO Y UNA GUANIDINA CICLICA, COMPRENDIENDO EL MENCIONADO POLIMERO UN GRUPO FUNCIONAL Y UNA MEZCLA, ESTANDO DICHA MEZCLA FORMADA POR LA GUANIDINA CICLICA Y UN COMPONENTE ADICIONAL, LOS CUALES SON REACTIVOS CON DICHO GRUPO FUNCIONAL. EL MENCIONADO COMPONENTE ADICIONAL COMPRENDE UNA POLIAMINA, UNA AMINA PRIMARIA, UNA AMINA SECUNDARIA, UNA AMINA TERCIARIA, UN SULFURO O COMBINACIONES DE LOS MISMOS; ADEMAS, DICHO COMPONENTE ADICIONAL COMPRENDE TAMBIEN, UN PRODUCTO DE REACCION ENTRE DICHA POLIAMINA Y UN CARBONATO WHERE SAID COATING COMPOSITION INCLUDES A REACTION PRODUCT BETWEEN A POLYMER AND A CYCLIC GUANIDINE, THE MENTIONED POLYMER INCLUDING A FUNCTIONAL GROUP AND A MIXTURE, BEING SUCH A MIXTURE FORMED BY THE GUANIDINE AND A FUNCTIONAL REACTIVE COMPONENT WITH A FUNCTIONAL COMPONENT WITH A FUNCTIONAL REACTIVE GUANIDIN. . THE MENTIONED ADDITIONAL COMPONENT INCLUDES A POLYAMINE, A PRIMARY AMINE, A SECONDARY AMINE, A TERTIARY AMINE, A SULFIDE OR COMBINATIONS OF THE SAME; IN ADDITION, SAID ADDITIONAL COMPONENT ALSO INCLUDES A REACTION PRODUCT BETWEEN SAID POLYAMINE AND A CARBONATE

Method of reducing mapping of an electrodepositable coating layer

The present invention is directed to a method for coating a substrate with a variety of coating compositions thereby reducing mapping of a coating composition deposited onto the substrate. In certain embodiments, the present invention is directed to the deposition of a zirconium based pretreatment composition onto a substrate with the subsequent deposition of an electrodepositable coating composition, which comprises a soluble alkaline earth metal ion, onto the pretreatment composition. The present invention is also directed to a coating system comprising various layers deposited from the coating compositions disclosed herein.

Electrocurtain coating process for coating solar mirrors

An electrically conductive protective coating or film is provided over the surface of a reflective coating of a solar mirror by flowing or directing a cation containing liquid and an anion containing liquid onto the conductive surface. The cation and the anion containing liquids are spaced from, and preferably out of contact with one another on the surface of the reflective coating as an electric current is moved through the anion containing liquid, the conductive surface between the liquids and the cation containing liquid to coat the conductive surface with the electrically conductive coating.

processo para revestimento de cortina elétrica para revestir espelhos solares

Electrocurtain coating process for coating solar mirrors

An electrically conductive protective coating or film is provided over the surface of a reflective coating of a solar mirror by flowing or directing a cation containing liquid and an anion containing liquid onto the conductive surface. The cation and the anion containing liquids are spaced from, and preferably out of contact with one another on the surface of the reflective coating as an electric current is moved through the anion containing liquid, the conductive surface between the liquids and the cation containing liquid to coat the conductive surface with the electrically conductive coating.

Processo de revestimento de cortinas elétricas para revestimento de espelhos solares

Proceso de recubrimiento de electrocortina para recubrir espejos solares.

Una película o recubrimiento protector eléctricamente conductor se proporciona por encima de la superficie de un recubrimiento reflectante de un espejo solar haciendo que fluya o dirigiendo un líquido que contiene cationes y un líquido que contiene aniones sobre la superficie conductora. Los líquidos que contienen cationes y aniones están separados y, preferiblemente, sin contacto uno con respecto a otro sobre la superficie del recubrimiento reflectante a medida que se hace que una corriente eléctrica se mueva a través del líquido que contiene aniones, la superficie conductora entre los líquidos y el líquido que contiene cationes para recubrir la superficie conductora con el recubrimiento eléctricamente conductor.

Proceso de recubrimiento por cortina eléctricamente conductora para el recubrimiento de espejos solares

Un método de aplicación de un recubrimiento eléctricamente conductor sobre una primera superficie de un recubrimiento reflector (34) de un espejo solar (20, 70, 240), en el que el espejo solar (20, 70, 240) comprende un substrato (28, 72, 242) que tiene una primera superficie principal y una segunda superficie principal opuesta, teniendo el recubrimiento reflector (34) una segunda superficie opuesta a la primera superficie, en donde la segunda superficie del recubrimiento reflector (34) está sobre una superficie principal (32, 76, 250) del sustrato (28, 72, 242) del espejo solar (20, 70, 240), comprendiendo el método: mover un primer material líquido eléctricamente conductor sobre una primera área de la primera superficie del recubrimiento reflector (34); mover un segundo material líquido eléctricamente conductor sobre una segunda área de la primera superficie del recubrimiento reflector (34), en donde uno de los materiales líquidos comprende una composición de recubrimiento electrodepositable; mantener el primer y el segundo materiales líquidos eléctricamente conductores separados y sin contacto entre sí para proporcionar una tercera área de la primera superficie entre la primera y la segunda áreas para establecer una trayectoria de corriente a través del primer material líquido, la tercera área de la superficie conductora (48) y a través del segundo material líquido, y hacer circular una corriente eléctrica a través de la trayectoria de corriente para depositar el recubrimiento protector (35) sobre el área de la primera superficie del recubrimiento reflector (34) que tiene la composición de recubrimiento electrodepositable.

Método e aparelho de revestimento para aplicar um revestimento condutivo elétrico e espelho solar

método e aparelho de revestimento para aplicar um revestimento condutivo elétrico e espelho solar trata-se de um revestimento ou película protetora condutora elétrica que é provida sobre a superfície de um revestimento refletivo de um espelho solar fluindo ou dirigindo um líquido contendo cátion e um líquido contendo ânion sobre a superfície condutora. os líquidos contendo cátion e ânion são espaçados e, preferencialmente, fora de contato um com o outro na superfície do revestimento refletivo conforme uma corrente elétrica é movida através do líquido contendo ânion, a superfície condutora entre os líquidos e o líquido contendo cátion para revestir a superfície condutora com o revestimento condutivo elétrico.

Electrodepositable coating compositions and their use in a method of cationic electrodeposition.

Electrical contact arrangement for a coating process

Disposición de contacto eléctrico para un proceso de recubrimiento

Un aparato de recubrimiento para aplicar un electrorrecubrimiento (36) por encima de una superficie contorneada eléctricamente conductora (38) de un artículo, comprendiendo el aparato: una disposición (158) para aplicar una composición de recubrimiento electrodepositable, que tiene una conductividad eléctrica, por encima de la superficie contorneada conductora (38) del artículo, y un dispositivo de contacto eléctricamente conductor (158, 164, 184) que comprende un par de miembros de mordaza (184, 186) desviados uno hacia otro, en donde por lo menos uno de los miembros de mordaza (184, 186) comprende un material maleable eléctricamente conductor (92).

Electrical contact arrangement for a coating process

A protective coating is applied to the electrically conductive surface of a reflective coating of a solar mirror by biasing a conductive member having a layer of a malleable electrically conductive material, e.g. a paste, against a portion of the conductive surface while moving an electrodepositable coating composition over the conductive surface. The moving of the electrodepositable coating composition over the conductive surface includes moving the solar mirror through a flow curtain of the electrodepositable coating composition and submerging the solar mirror in a pool of the electrodepositable coating composition. The use of the layer of a malleable electrically conductive material between the conductive member and the conductive surface compensates for irregularities in the conductive surface being contacted during the coating process thereby reducing the current density at the electrical contact area.

Electrical contact arrangement for a coating process

A protective coating is applied to the electrically conductive surface of a reflective coating of a solar mirror by biasing a conductive member having a layer of a malleable electrically conductive material, e.g. a paste, against a portion of the conductive surface while moving an electrodepositable coating composition over the conductive surface. The moving of the electrodepositable coating composition over the conductive surface includes moving the solar mirror through a flow curtain of the electrodepositable coating composition and submerging the solar mirror in a pool of the electrodepositable coating composition. The use of the layer of a malleable electrically conductive material between the conductive member and the conductive surface compensates for irregularities in the conductive surface being contacted during the coating process thereby reducing the current density at the electrical contact area.

Electrical contact arrangement for a coating process

A protective coating is applied to the electrically conductive surface of a reflective coating of a solar mirror by biasing a conductive member having a layer of a malleable electrically conductive material, e.g. a paste, against a portion of the conductive surface while moving an electrodepositable coating composition over the conductive surface. The moving of the electrodepositable coating composition over the conductive surface includes moving the solar mirror through a flow curtain of the electrodepositable coating composition and submerging the solar mirror in a pool of the electrodepositable coating composition. The use of the layer of a malleable electrically conductive material between the conductive member and the conductive surface compensates for irregularities in the conductive surface being contacted during the coating process thereby reducing the current density at the electrical contact area.