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Home » Polyurethanes Polyureas » Aromatic Diamines » Sterically Hindered Aromatic Diamines

Sterically Hindered Aromatic Diamines

Tri-iso distributes a wide range of aromatic polyamines that allow formulators to produce high quality polyureas.  Polyamines contain reactive amine (NH) groups which react with isocyanate (NCO) groups on isocyanates to form polyureas.  Sterically hindered aromatic diamines will react much slower than standard secondary amines, and significantly slower than primary amines.   The slower reactivity will allow formulators to produce parts/coatings with enhanced aesthetic quality. 

  Product Name  Model   
Dorf Ketal Unilink 4100
Dorf Ketal Unilink 4100

Unilink 4100 is an aromatic secondary diamine curative (liquid) for polyurea and read more
Unilink 4100
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Dorf Ketal Unilink 4200
Dorf Ketal Unilink 4200

Unilink 4200 is a unique aromatic diamine originally developed by UOP as a chain read more
Unilink 4200
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Dorf Ketal Unilink 4230
Dorf Ketal Unilink 4230

Unilink 4230 is a liquid curing agent - balanced chain extension/crosslinking read more
Unilink 4230
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