Siccatives for curable liquid compositions
Transition metal complexes with heteroaryl substituted triazine ligands are used to enhance the drying process of air-drying compositions, addressing the balance between speed and color impact, suitable for coatings and molds.
WO2026080733A1 Publication Date: 2026-04-16DURACHEM INC
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Patent Information
- Application Number
- PCT/US2025/050293
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-10-11
- Filing Date
- 2025-10-09
- Publication Date
- 2026-04-16
AI Technical Summary
Technical Problem
Existing air-drying liquid compositions face challenges in achieving a balance between maximizing drying/curing speed and minimizing color impact, particularly when using transition metal complexes as drying/curing agents.
Method used
Incorporating transition metal complexes, such as cobalt, iridium, rhodium, ruthenium, copper, chromium, molybdenum, vanadium, and manganese compounds with heteroaryl substituted triazine ligands, to enhance the drying process while minimizing coloration in coatings and resins.
Benefits of technology
The solution provides effective acceleration of the drying process with minimal color impact, suitable for applications like coatings and molds, using compositions that include alkyd-based resins and crosslinkable media.
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Abstract
Transition metal complex siccatives are provided. Aspects of the siccatives include a transition metal complexed with a heteroaryl substituted triazine. Aspects further include siccatives having both a heteroaryl substituted triazine-transition metal complex and a transition metal-cyclic tetradentate ligand complex. Aspects of the invention further include compositions that include the siccatives, as well as methods of making and using the same. Aspects of the invention further include use of the siccatives as a catalyst in various syntheses.
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