Organometallic Coupling Agents
Butyl Titanium Phosphate Complex
Developed specifically for the ink industry. It is a titanium-based phosphate complex with the following characteristics: - Good stability in solvent-based inks - Good adhesion promotion and crosslinking performance, improving water, solvent, and heat resistance - High curing reactivity - Low or no discoloration - No acetylacetone release - Effective at low concentration (1–4%)
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n-Butyl Zirconate
n-Butyl zirconate is a zirconium alkoxide that hydrolyzes immediately upon contact with atmospheric moisture. Its main uses are crosslinking, catalysis, surface modification, and adhesion promotion in non-aqueous systems. n-Butyl zirconate is soluble in many organic solvents; to prevent unwanted pre-reactions, the product must be anhydrous.
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n-Propyl Zirconate
n-Propyl zirconate acts as a Lewis acid catalyst in esterification, transesterification, condensation, addition, and polymerization processes. n-Propyl zirconate can affect adhesion promotion and polymer crosslinking, or form a polymeric zirconium dioxide layer used as a binder or coating.
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Diisopropoxybis(ethyl acetoacetate)titanium
This is a chelated organic titanate with better hydrolysis stability than ordinary alkyl titanates, soluble in alcohols, esters, ketones, aromatic hydrocarbons, and other organic solvents. Widely used as a crosslinking agent, adhesion promoter, and organic-synthesis catalyst in coatings, inks, and adhesive systems; improves coating adhesion to metal, glass, and plastic substrates, and the boiling-water and solvent resistance; also suitable for sol-gel titanium-dioxide thin-film preparation, inorganic-filler surface modification, and polyester-synthesis catalysis. Crystallizes easily when stored at low temperature but recovers to a liquid state after warming; avoid direct contact with large amounts of water.
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Diisopropoxybis(acetylacetonate)titanium
This is an acetylacetone-chelated organic titanate, a modified titanium chelate with greatly improved hydrolysis stability compared with ordinary titanium isopropoxide, and not prone to rapid gelation upon contact with water. It can be used as an adhesion promoter, crosslinking agent, and catalyst for coatings and inks; suitable for baking coatings, alcohol-soluble printing inks, and plastic-substrate coatings, improving coating adhesion to PET, PP, and metal substrates; also used for filler surface treatment, sol-gel systems, and nanomaterial preparation. The product is soluble in alcohols, esters, ketones, and other organic solvents; avoid direct contact with large amounts of water.
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Diisopropoxybis(triethanolamine)titanium
This is a water-soluble chelated organic titanate, whose biggest feature is water miscibility and hydrolysis resistance, distinguishing it from ordinary titanates. Suitable for aqueous systems, used as a crosslinking curing agent and adhesion promoter for water-based coatings, water-based alkyd resins, and enamel wire paints; improves the salt-spray resistance, boiling-water resistance, and anti-yellowing performance of coatings; can also be used as a crosslinking agent for oilfield fracturing-fluid guar gum, an esterification-reaction catalyst, and an inorganic-filler surface modifier. Soluble in water and alcohol solvents; avoid long-term storage in strong-acid/strong-alkali environments. Similar to DuPont Tyzor TE and UK TILCOM-TET, it is an effective crosslinking agent that can react with various polymers such as cellulose, starch, and guar gum to form strong gels through crosslinking; through a similar mechanism, the product can also act as an adhesion promoter for functionalized surfaces.
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