Applications Applications Applications Applications
Polyurea
What it is:
Polyurea is an elastomer formed by the rapid reaction of isocyanates with polyamines. It cures extremely fast, without the need for catalysts, and develops excellent toughness, elongation, and chemical resistance.
Applications and Uses:
- Protective coatings (pipelines, tanks, flooring, roofs)
- Waterproofing and corrosion protection
- Spray elastomers for automotive and industrial uses
- High-performance linings for abrasion and impact resistance
How it is Produced:
Polyurea is synthesized by combining isocyanates (aromatic or aliphatic) with diamine curatives or chain extenders. The reaction is moisture tolerant and applied mainly through spray techniques.
The Role of Dorf Ketal Curatives:
- Clearlink® 1000/1080: Aliphatic diamine chain extenders that improve UV stability, toughness, and heat resistance in polyurea coatings.
- Unilink® aromatic diamines: Provide curing at ambient temperatures with improved adhesion and finish for elastomeric coatings.
Recommended Products
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Product
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Function
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Key Benefits
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Clearlink® 1000
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Aliphatic diamine chain extender
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Tough, UV-stable polyurea; improved strength & heat resistance
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Clearlink® 1080
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Aliphatic diamine chain extender
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Durable, UV-stable; low moisture sensitivity; slower reactivity
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Unilink® Aromatic Diamines
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Chain extender
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Ambient cure; improved adhesion and finish
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