Water-based components
The aqueous composition with specific molecular weight and acid value resin and high HLB surfactant stabilizes epoxy resin with a cardanol skeleton, addressing storage stability issues.
JP2026062412APending Publication Date: 2026-04-09SAKATA INX
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-04-09
AI Technical Summary
Technical Problem
Aqueous dispersion systems using epoxy resins with a cardanol skeleton suffer from storage stability issues.
Method used
An aqueous composition comprising an epoxy resin with a cardanol skeleton, a neutralized acid group-containing resin with a weight-average molecular weight of 5000 or more and an acid value of 20 mgKOH/g or more, and a surfactant with an HLB value of 15 or higher, ensuring excellent storage stability.
Benefits of technology
The composition maintains stability by preventing resin separation and settling, enhancing water dispersibility and storage stability.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure 2026062412000001 
Figure 2026062412000002 
Figure 2026062412000003
Abstract
Even when containing an epoxy resin containing a cardanol skeleton, an aqueous composition with excellent storage stability can be provided. [Solution] An aqueous composition containing an epoxy resin containing a cardanol skeleton, a neutralized acid group-containing resin, a surfactant, and water, wherein the neutralized acid group-containing resin has a weight-average molecular weight of 5000 or more and an acid value of 20 mg KOH / g or more.
Need to check novelty before this filing date? Find Prior Art
Citation Information
Patent Citations
Epoxy resin composition and use
JP2016506980A