Covering material

A coating material combining non-aqueous dispersion resin and soluble resin with oxidative polymerization groups and aliphatic hydrocarbon solvents addresses adhesion issues in primers, ensuring excellent adhesion to substrates and water-based topcoats.

JP7864627B2Active Publication Date: 2026-05-25BEKKU KK
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
BEKKU KK
Filing Date
2022-12-26
Publication Date
2026-05-25

AI Technical Summary

Technical Problem

Existing primers, particularly weak solvent-type primers and water-based topcoats, often struggle with ensuring sufficient adhesion to various substrates, necessitating improvements in adhesion performance.

Method used

A coating material comprising a combination of non-aqueous dispersion resin and soluble resin, along with specific compounds like organometallic compounds and organic amine compounds, enhances adhesion by incorporating oxidative polymerization groups and using aliphatic hydrocarbon solvents, ensuring excellent adhesion even with water-based topcoats.

Benefits of technology

The coating material exhibits superior adhesion properties, particularly in low-temperature environments, and provides stable adhesion to both substrates and water-based topcoats, addressing the adhesion challenges of conventional primers.

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Abstract

To provide a covering material having excellent adhesion to various ground materials and top coating materials.SOLUTION: A covering material contains, as its components, a resin component (A), an aliphatic hydrocarbon-containing nonaqueous solvent (B), an organometallic compound (C), and an organic amine compound (D). The resin component (A) includes non-water-dispersible resin (A-1) and soluble resin (A-2). The non-water-dispersible resin (A-1) and / or the soluble resin (A-2) includes an oxidative polymerizable group.SELECTED DRAWING: None
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