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NIST X-ray Photoelectron Spectroscopy Database (SRD 20), Version 5.0

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[-((CH2)4-O)x-C(O)N(H)-C6H4-CH2-C6H4-N(H)C(O)N(H)-(CH2)2-N(H)C(O)N(H)-C6H4-CH2-C6H4-N(H)C(O)-O-]n
carbonyl carbons from urea segments
poly(ether urethane urea)
amide, ether, nitrogen, oxygen, phenyl benzene, polymer, urea

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