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Patent Searching and Data


Title:
METHOD FOR PREPARING CATIONIC ELECTRODEPOSITION COATING COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2017/051901
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a method for preparing a cationic electrodeposition coating composition that has excellent anti-rust performance in an edge section. The present invention provides a method for preparing a cationic electrodeposition coating composition that includes a step in which a resin emulsion (i) and a pigment dispersion paste are mixed. The resin emulsion (i) contains an aminated resin (A) and a block isocyanate curing agent (B). The pigment dispersion paste contains a metal compound (C), a pigment dispersion resin (D), and a pigment (E). The metal compound (C) is at least one of a metal oxide and a metal hydroxide containing at least one substance selected from the group consisting of La, Nd, Y, Pr, Yb, and Ce as a metal element. The pigment dispersion paste is prepared by a step in which the metal compound (C) and the pigment dispersion resin (D) are mixed and the mixture obtained thereby is mixed with the pigment dispersion resin (D) and the pigment (E).

Inventors:
MIYAMAE NOBUHIRO (JP)
OHTA TATSUO (JP)
Application Number:
JP2016/078113
Publication Date:
March 30, 2017
Filing Date:
September 23, 2016
Export Citation:
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Assignee:
NIPPON PAINT AUTOMOTIVE COATINGS CO LTD (JP)
International Classes:
C09D201/02; C09C1/00; C09C3/10; C09D5/02; C09D5/44; C09D7/12; C09D175/04
Domestic Patent References:
WO2013035765A12013-03-14
Foreign References:
JP2005194389A2005-07-21
JP2002356647A2002-12-13
JP2008174819A2008-07-31
JP2007284603A2007-11-01
Other References:
See also references of EP 3354701A4
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
Mutsumi Sameshima (JP)
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