Edge anticorrosive electrophoretic coating composition, preparation method and application

A technology of electrophoretic coatings and compositions, applied in anti-corrosion coatings, electrophoretic coatings, polyurea/polyurethane coatings, etc.
CN109504264AActive Publication Date: 2019-03-22NIPPON PAINT GUANGZHOU +2
11 Cites 5 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
NIPPON PAINT GUANGZHOU
Publication Date
2019-03-22

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides an edge anticorrosive electrophoretic coating composition, coating and application. The edge anticorrosive electrophoretic coating composition comprises component A: 15 to 35 parts of at least one organic amine modified epoxy resin; 5 to 20 partof at least one blocked isocyanate; 1 to 10 parts of at least one film-forming auxiliary; 1 to 5 parts of at least one phosphate-modified cationic microgel; 1 to 10 parts of at least one first organic acid; 0.5 to 5 parts of at least one auxiliary solvent; and 30 parts of deionized water; and component B: 10 to 25 parts of at least one epoxy resin containing quaternary ammonium salt and / or tertiary sulfonium salt group; 5-40 parts of at least one pigment; 5 to 40 parts of at least one filler; 0.5 to 5 parts of at least one dispersing aid; 30 to 70 parts of second deionized water. By adopting the invention, the coverage of the electrophoretic coating on the edge of a workpiece can be greatly improved, and the edge corrosionresistance can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the technical field of paint preparation, and in particular relates to an edge anticorrosion electrophoretic paint composition, a preparation method and an application. Background technique

[0002] Since the 1970s, cathodic electrophoretic coatings have been more and more widely used in many industries due to their own advantages. As we all know, during the high-temperature baking and curing process of cathodic electrophoretic coatings, due to the gradual increase of the fluidity of the coating film, the paint film will shrink during the cross-linking and curing process, making the edge of the workpiece, especially the edge of the workpiece with sharp edges The coating film coverage of the parts is too low, and the paint film thickness is too thin, which reduces the anti-corrosion performance of these parts. For the field of heavy industry, especially the automobile industry, due to the particularity of automobile products, a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More