Thermal shrinkage effects on the mechanical behavior of leathers

Keyong Tang, Dominick J. Casadonte, Xuejing Zheng, Pengxiang Jia, Dennis C. Shelly

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Thermal shrinkage will take place when leathers are heated to a high temperature, usually resulting in a decrease in its value and utility. In this paper, changes in mechanical behaviors by thermal shrinkage of leathers are studied systematically for the first time, and the influencing mechanism of thermal shrinkage on the mechanical behaviors of leathers are investigated and analyzed. The results indicate that, by thermal shrinkage, the aperture ratios of leathers are decreased and such mechanical properties of leathers as elastic modulus, tensile strength, and elongation at break are increased. The improvement in mechanical behaviors by hydrothermal shrinkage is at the cost of loss of utility and economic value of leathers. The results indicate that shrunken leathers may have a host of new applications because of their excellent mechanical behavior.

Original languageEnglish
Pages (from-to)94-99
Number of pages6
JournalJournal of the American Leather Chemists Association
Issue number3
StatePublished - Mar 2010

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