@inproceedings{18b524f6905b4173a2b229df9a3e6f8e,
title = "Effect of urea processing on the thermal degradation kinetics of cattlehide collagen fibers",
abstract = "Both the Horowitz-Metzger method and Coats-Redferm method were employed to get the thermal degradation activation energy (TDAE) of the samples. With the changes in thermal degradation activation energy of the samples processed with urea solutions being considered, the influence and mechanism of urea processing on the aggregation structure of collagen fibers were discussed. It was found that, with the increase in urea concentration, the thermal degradation activation energy first decreases and then increases. After being processed in urea solutions, the samples were washed with distilled water to remove the urea, and the thermal degradation behaviour of the samples was also studied. It was found that the thermal degradation activation energy recovers to its original level, indicating that the urea function on collagen fibers is temporary and reversible. The mechanism of urea processing involves the destruction of hydrogen bonds between collagen chains. Upon water washing, the urea was removed from the samples, and the collagen structure returned to their origin al state.",
keywords = "Collagen fibers, Hydrogen bonds, Thermal degradation activation energy, Urea",
author = "Keyong Tang and Xuejing Zheng and Casadonte, {D. J.} and Hongbo Pan and Shelly, {D. C.}",
year = "2013",
language = "English",
series = "32nd Congress of the International Union of Leather Technologists and Chemist Societies, IULTCS 2013",
publisher = "Deri Teknologlari, Teknisyenleri ve Kimyacilari Dernegi",
booktitle = "32nd Congress of the International Union of Leather Technologists and Chemist Societies, IULTCS 2013",
note = "null ; Conference date: 29-05-2013 Through 31-05-2013",
}