Study on Tanning Properties of Modified Tannic Acid with Sulfanilic Acid Using Horseradish Peroxidase

Ming Ming Hou; Sheng Hua Lv

doi:10.4028/www.scientific.net/AMR.487.785

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 487Study on Tanning Properties of Modified Tannic...

Study on Tanning Properties of Modified Tannic Acid with Sulfanilic Acid Using Horseradish Peroxidase

Abstract:

Tannic acid (TA) was modified by sulfanilic acid (SAA) using HRP catalysis in aqueous phase. The structure of modified TA was characterized by FTIR. The tanning properties of modified TA have been studied by the tanning test together with aluminum and chrome tannages. The tanning results show that the modified TA is suitable for use as pretannage and in combinaton with chrome and aluminum tannage. The shrink temperature (Ts) of leather tanned using 6% modified TA and 2% chrome tannage can reach to 92.0 oC by the modified TA and and chrome tannage by sequential step. The applied leather has merits of good uniformity, fullness, softness and fine grain. With this method, the dosage of chrome tannage is lessened and environment pollution is alleviated.

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Periodical:

Advanced Materials Research (Volume 487)

Pages:

785-788

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.487.785

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Online since:

March 2012

Authors:

Ming Ming Hou, Sheng Hua Lv

Keywords:

Horseradish Peroxidase (HRP), Sulfanilic Acid, Tannage, Tannic Acid

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