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On the strength of analysis of the amide I absorption band contour of the i.r. spectra of polyether urethane elastomers based on poly(tetramethylene oxide), poly(propylene oxide) and 4,4'-diphenylmethane diisocyanate, a scheme of association of urethane groups has been suggested. The amide I band has been shown to include five individual components at 1740, 1730, 1725, 1713 and 1702 cm-t. The isolated bands are considered to be characteristic for urethane groups forming part of various associations

Посилання на статтю:

Amide I absorption band: description of the urethane group association scheme in polyether urethane elastomers / V. V. Zharkov*, A. G. Strikovsky and T. E. Verteletskaya // Polymer. – 1993. – Vol 34. – P. 938-941.

Amide I absorption band: description of the urethane group association scheme in polyether urethane elastomers - Завантажити.