Can anyone tell me, what is the end group of this co-polymer?

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Yuri Mirgorod

See Fig.2

a-m hexyl isocyanate

b-n ethylene glycol

Best regards.

Arezoo sh. dadkhah

Hi Mr Tsanov

OH is not end group. Equimolar of Ticl4 and polyethylene glycol was used! What are three peaks from 0.5 to 2 ppm?

Alisa Buchman

The polymer as stated in the article is a polyurethane. These are the 2 end groups:

HO – R’ – OH + OCN – R - NCO ->