Interaction between -OH group from natural fiber and PU Matrix?

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Yusuf Eren Erdoğdu

Dear Atul Maurya,

-NCO and -OH form a covalent urethane bond. I studied with Polyurea. It has Amine instead of polyol.

Atul Maurya

Thanks for your reply. What about -OH from natural fiber. Does it react with diisocyanate.

Yes it reacts with diisocyanate like a chemical treatment of fiber.