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Atkin Memorial Lecture. Theory and Mechanism of Tanning : Present Thinking and Future Implications for Industry

COVINGTON, A. D. |

Dentro JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS AND CHEMISTS (VOL 85NRO 1, ene.-feb.2001)

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High stability organic tanning using plant polyphenols part 2 : the mechanims of the vegetable tannin-oxazolidine tannage

SHI, BI, Autor ; HE, YOUJIE, Autor ; ATTENBURROW, G. E., Autor ; ZENG, SHAOYU, Autor ; COVINGTON, A. D., Autor ; FAN, HOAJUN, Autor |

Dentro JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS AND CHEMISTS (VOL 83 NRO 1, ene.-feb. 1999)

Catechin was used as a model for condensed vegetable tannins, to elucidate the reaction between the flavonoid ring system and oxazolidines in the combination tannage. Using H-NMR, C-NMR and paper chromatography, it is shown that the crosslinking[...]

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The Effects of Hair Shaving on Unhairing Reactions. Part 2 : A New Mechanism of Unhairing

COVINGTON, A. D. ; DAVIGHI, D. ; EL BABA, H. A. M. |

Dentro JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS AND CHEMISTS (VOL 84NRO 1, ene.-feb.2000)

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The mechanism and effects of collagen amide group hydrolysis during liming

MENDERES, O., Autor ; COLLINS, M. J., Autor ; WAITE, E. R. , Autor ; COVINGTON, A. D., Autor |

Dentro JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS AND CHEMISTS (VOL 83NRO 2, mar-abr.1999)

Within the conventional period of liming, collagen remains intact, there is no appreciable breakdown of the structure to alter the collagen conformation, which would allow the intramolecular hydrolysis mechanism to operate effectively.

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