New IR-Spectroscopic Methods for Determining the Hydroxyl Content in Oligomersстатья
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Дата последнего поиска статьи во внешних источниках: 18 мая 2022 г.
Аннотация:Various methods have been developed and compared for determining the concentration of hydroxyl groups in oligomers by the example of azidesubstituted oligooxetane diols. IR spectroscopic express method is the most convenient for substituted azidesubstituted oligooxetane diols. The advantages of this method are high precision, good reproducibility, fast analysis and the low sensitivity to moisture content. The principles underlying the developed methods are suitable for the development of methods for determining the content of hydroxyl groups in the oligomers and polymers of different chemical nature.