Amine catalyst-free PU system reduces cockpit odor


What’s claimed to be the first viable amine emission-free polyurethane (PU) foam formulation for automotive interior applications has been launched by Dow Automotive Systems (Auburn Hills, MI).

Speflex Activ is said to enable automotive seat pad foamers to meet the most stringent industry requirements, such as the German OEM specifications which include ultra-low emissions, and benefit from outstanding physical and mechanical properties as well as aging and processing advantages.

Traditional PU foams require amine catalysts to promote reaction between polyols and water with the isocyanate component (the gelling and blowing reactions). Until now, these added catalysts have contributed to amine emission issues with polyurethane foams and also negatively impact physical and mechanical properties, particularly after aging and/or narrowing process latitude.
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