Polyurethanes: – InterviewSolution

1.	Polyurethanes:
Answer» <P>Have structure features of both an ester andan amide. Have aformula`H_(2)N-underset(O)underset(\|\|)(C )-O-CH_(2)-CH_(3)`. Are obtianed from`p`-PHENYLENE disocyanate and ethylene glycol. Are used as foam rubber in upholstery. Answer :C

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