Spectroscopic studies have revealed that the amount of polyureas formed and the kinetics of their formation in soy based polyurethane systems are considerably different from traditional systems employing ethylene oxid...Spectroscopic studies have revealed that the amount of polyureas formed and the kinetics of their formation in soy based polyurethane systems are considerably different from traditional systems employing ethylene oxide-propylene oxide (EO-PO) based polyols.The aggregation of polyureas was characterized by the hydrogen bonds formed utilizing FTIR spectroscopy.This study offered the opportunity to assign the previously undefined infrared features.The structural transformation is reflected in the segmental rel...展开更多
文摘Spectroscopic studies have revealed that the amount of polyureas formed and the kinetics of their formation in soy based polyurethane systems are considerably different from traditional systems employing ethylene oxide-propylene oxide (EO-PO) based polyols.The aggregation of polyureas was characterized by the hydrogen bonds formed utilizing FTIR spectroscopy.This study offered the opportunity to assign the previously undefined infrared features.The structural transformation is reflected in the segmental rel...
