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SABIC’S New NORYL™ Polyol Improves Performance of MDI-BDO Cast Polyurethanes and Offers Alternative to TDI-MOCA Cured Systems – MEFPU Expo | Middle East Foam and Polyurethane Expo

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SABIC’S New NORYL™ Polyol Improves Performance of MDI-BDO Cast Polyurethanes and Offers Alternative to TDI-MOCA Cured Systems


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SABIC, a global leader in the chemical industry, today announced that its recently launched NORYL™ AP2001G aromatic polyol can significantly improve the performance of hot cast polyurethanes (PUs) based on methylene diphenyl diisocyanate (MDI) and polytetramethylene ether glycol (PTMG).

By boosting the hardness, toughness and stiffness properties of cast PU by double digits, NORYL AP2001G polyol can enable MDI formulations cured with 1,4-butanediol (BDO) to deliver equivalent or better performance compared to toluene diisocyanate (TDI) and PTMG PU formulations cured with MOCA (4,4′-methylene bis(ortho-chloroaniline)).

Due to increasing scrutiny in the use of MOCA as a substance of very high concern (SVHC) in the European Union, many PU manufacturers have adopted alternative formulations, including MDI-BDO. However, existing MDI-BDO systems pose performance challenges including lower mechanical and chemical properties vs. TDI-MOCA systems. SABIC’s NORYL AP2001G polyol for MDI-BDO systems addresses both the SVHC issue and performance deficiencies of existing materials, providing formulators with an alternative solution to TDI formulations and an opportunity to reduce or eliminate MOCA.

“As manufacturers began to transition away from SVHCs, SABIC understood the need to assist customers with this challenge,” said Antonello Cerullo, Ph.D., senior business development manager, SABIC. “We collaborated with Troy Polymers to validate the notable performance benefits of our new NORYL polyol for MDI-BDO systems. Thanks to our innovative new modifier, customers may now achieve results comparable to – or even better than – what they experienced with TDI-MOCA and MDI-BDO formulations, while staying ahead of the tighter restrictions that are being placed on the MOCA curative.”

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