Huntsman - Reactive Hot Melt Adhesives Raw Materials

Reactive hot melt adhesives

• Moisture curable hot melts, based on SUPRASEC MDI* and IROSTIC M thermoplastic polyurethane (TPU) from Huntsman Polyurethanes, represent a class of high-performance adhesives. 
• They combine the advantages of thermoplastic hot melts with fast strength development and the ability to crosslink liquid reactive systems.
  
• The hot melt character enables the enduser to achieve a fast processing of the laminated parts, whereas the crosslinking enhances the resistance against the environment and the surroundings.
  
• The major raw materials for manufacturing reactive hot melts are polyester polyols, MDI or MDI-derivatives and thermoplastic resins.
  
• Huntsman Polyurethanes offers an extensive range of SUPRASEC isocyanates and IROSTIC M thermoplastic polyurethanes for the adhesives market. Both product lines offer unique building blocks for tailoring moisture-curable adhesives.
  
• MDI and MDI-derivatives are needed to bring reactivity to the reactive hot melt, whereas the addition of IROSTIC TPU enhances the green strength of the adhesive.

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