Patent ID: 8937117
Filing Date: 2015-01-20
Classification: C08G,C08L,C09D

Abstract:
1. A method for preparing an emulsion resin composition for cationic electrodeposition paint, which comprises a cationic resin and a blocked isocyanate curing agent, the method comprises the steps: (1) a step of mixing water and the cationic resin to form a W/O emulsion, (2) a step of mixing the blocked isocyanate curing agent and the W/O emulsion to form a curing agent-containing W/O emulsion, (3) a step of mixing water and the curing agent-containing W/O emulsion to form an O/W emulsion, via a phase inversion point from W/O emulsion to O/W emulsion, wherein the cationic resin comprises a cationic epoxy resin, and a solid concentration by mass X