Water-based coating agents, cured products, and laminates
JP2026090616APending Publication Date: 2026-06-02ARAKAWA CHEM IND LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- ARAKAWA CHEM IND LTD
- Filing Date
- 2026-03-06
- Publication Date
- 2026-06-02
AI Technical Summary
Technical Problem
Existing water-based coating agents for plastic substrates, such as ABS, PET, and polycarbonate, fail to provide good peelability, water repellency, and solvent resistance while maintaining a desirable appearance.
Method used
A water-based coating agent comprising a polymer with C12-18 alkyl group-containing (meth)acrylic acid ester units and (meth)acrylic acid units, along with a crosslinking agent and a conductive polymer-polyanion complex, is used to create a laminate with improved peel strength, water repellency, and solvent resistance.
Benefits of technology
The laminate produced exhibits good peel strength, water repellency, and solvent resistance, enhancing the performance of plastic substrates in industrial applications.
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Abstract
To provide a water-based coating agent, a cured product, and a laminate. [Solution] A water-based coating agent comprising a polymer, a crosslinking agent, and water, wherein the polymer comprises C12-18 alkyl group-containing (meth)acrylic acid ester units and (meth)acrylic acid and / or salt units thereof, the content of C12-18 alkyl group-containing (meth)acrylic acid ester units relative to 100% by mass of the polymer is 15% to 80% by mass, and the content of (meth)acrylic acid units relative to 100% by mass of the polymer is 5% to 20% by mass.
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