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Green Polyurethane™

Green Polyurethane™ Is The First Hybrid Polyurethane Manufactured Without Toxic Isocyanates


NTI produces various forms of Green Polyurethane™. The version it is currently producting and selling is used in coatings, composites, foam and adhesives. All of the company’s products are based on its Urethane-Amines -- patented hardeners that have urethane groups within the chemical structure of the hardener, but do not use isocyanates.


Green Polyurethane™ is a potential replacement for current polyurethanes that use isocyanates in their production, especially those that leave post-reaction free isocyanates in aerosolized forms. Green Polyurethane's™ unique formulation combines the best mechanical properties of polyurethane and chemical resistance properties of epoxy.

Isocyanates are hazardous and considered a potential human carcinogen. Exposure to isocyanates is known to cause irritation of skin and mucous membranes, chest tightness, difficult breathing and prolonged exposure has been known to cause severe asthma and even death.

The manufacture and usage of isocyanates-based PU require very strict health and safety measures and special procedures for the preparation of fillers since isocyanates are very sensitive to moisture. Both of these issues lead to a highly regulated and costly working environment. On the other hand, it is not necessary to address these issues with Green Polyurethane™ since no isocyanates are used at any stage of its production.

In addition to its safety and health benefits, Green Polyurethane™ has many other advantages compared to conventional PU. For example Green Polyurethane™ coatings are zero VOC, solventless, 100% solids-based, 30-50% more resistant to chemical degradation, 10-30% more adhesive (depending on substrate), 20% more wear resistant, and can be applied on wet substrates and cure in cold conditions. Green Polyurethane™ foam provides energy savings of more than 30%, has one of the highest R-values/inch of all insulation materials (6.0-6.5/inch), doesn't need a primer and has greater adhesiveness.

Green Polyurethane™ has been developed into commercially available coatings, which are currently being sold world-wide and pilot samples of Green Polyurethane™ foam, adhesives, and sealants, which are being tested for commercialization.


NTI's Green Polyurethane™ provides a unique chemical platform for the next generation of environmentally safe polyurethane with improved properties and the potential to raise the entire polyurethane industry to a higher level of safety and quality.