摘要:
In view of the above-discussed state of the art, it is an object of the present invention to provide a method of coating an electric wire by which insulated wires excellent in dielectric breakdown voltage can be obtained by a relatively short period of dipping of articles to be coated in an electrodeposition bath. A method of coating an electric wire comprising cationic electrocoating with a cationic electrodeposition coating composition, wherein the cationic electrodeposition coating composition contains a resin composition having a hydratable functional group reducible directly by an electron and results in forming passive coat.
摘要:
A cation electrodeposition coating process and cation electrodeposition coating composition that have a sufficient throwing power are provided. A process for cationic electrodeposition coating which comprises the steps of:
(1) immersing a substrate in a cationic electrodeposition coating composition; (2) applying a voltage between an anode and said substrate, which serves as a cathode, to thereby cause coat film deposition; and (3) further applying a voltage to the coat film deposited so as to increase electric resistance per unit volume of said coat film, wherein, in said step (3), coat films are deposited at those sites of the substrate where coat films have not yet been deposited, said cationic electrodeposition coating composition having a time point when the electric resistance per unit volume of the coat film deposited increases in the course of electrodeposition under constant-current conditions.
摘要:
An electrodeposition coating composition that is excellent in bath stability and that can give a cured film enhanced in hardness and an electrodeposition coating process is provided. An electrodeposition coating composition to be used in an electrodeposition coating process which comprises :
the electrodeposition step of immersing a substrate in an electrodeposition coating composition and applying a voltage between the substrate as an anode or cathode and a counter electrode to thereby form a film of said electrodeposition coating composition on the surface of the substrate, and the heating step of heating said film obtained in the above electrodeposition step, and said electrodeposition coating composition comprising having electrodeposition potentiality against the curing reaction of said film.
摘要:
In view of the above-discussed state of the art, it is an object of the present invention to provide a method of adhesion of conductive materials which uses a water-based ecofriendly adhesive and can give uniform adhesive layers capable of leading to constant and high levels of adhesion strength and excellent in insulating properties even in the case of molded articles and the like. A method of adhesion of conductive materials comprising the step (1) of forming an adhesive surface having an adhesive resin layer on a conductive material by an electrodeposition step with an adhesive composition and the step (2) of joining an adherend surface of an adhesion target to the adhesive surface having the adhesive resin layer obtained in the step (1), wherein the adhesive composition comprises a hydratable functional group- and unsaturated bond-containing cationic resin composition.
摘要:
An electrodeposition coating composition which is excellent in bath stability and can give a hardened film enhanced in hardness; and a process for electrodeposition coating. This composition is used in a process for electrodeposition coating which comprises the deposition step of immersing a substrate in an electrodeposition coating composition and applying a voltage between the substrate as an anode or cathode and a counter electrode to form a deposit of the composition on the surface of the substrate and the heating step of heating the deposit, and has an electrodeposition potentiality against the hardening reaction of the deposit.
摘要:
In view of the above-discussed state of the art, it is an object of the present invention to provide a method of adhesion of conductive materials which uses a water-based ecofriendly adhesive and can give uniform adhesive layers capable of leading to constant and high levels of adhesion strength and excellent in insulating properties even in the case of molded articles and the like. A method of adhesion of conductive materials comprising the step (1) of forming an adhesive surface having an adhesive resin layer on a conductive material by an electrodeposition step with an adhesive composition and the step (2) of joining an adherend surface of an adhesion target to the adhesive surface having the adhesive resin layer obtained in the step (1), wherein the adhesive composition comprises a hydratable functional group- and unsaturated bond-containing cationic resin composition.