Crosslinkers, Catalysts & Related Products

Crosslinkers, Catalysts & Related Products

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Crosslinkers and catalysts are essential components in thermoset polymer systems, coatings, adhesives, elastomers, and other performance materials. These additives control the speed, structure, and stability of chemical reactions—helping manufacturers fine-tune cure profiles, improve end-use properties, and expand application versatility.

Whether you are formulating a two-part epoxy, a moisture-curing silicone, a polyurethane coating, or a high-temperature resistant composite, the right selection of crosslinkers and catalysts can significantly improve strength, adhesion, flexibility, heat resistance, and chemical resistance.

Common Crosslinker Chemistries

• Isocyanates (TDI, MDI, HDI, IPDI)
• Polycarbodiimides
• Blocked or latent amines
• Epoxies and epoxy-functional silanes
• Melamine-formaldehyde and urea-formaldehyde resins
• Phenolic resins and novolacs

Catalyst Types

• Tin catalysts for urethanes
• Amine-based catalysts
• Organometallic catalysts (zinc, bismuth, zirconium)
• Acid or base catalysts for condensation reactions
• Photoinitiators for UV-curable systems

Key Applications

• Industrial and architectural coatings
• Structural adhesives and sealants
• Elastomers and foams
• Electronics encapsulation and potting compounds
• Composites and high-performance thermosets

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