Approach Towards High Performance Water Vapour Permeability Upper Leather from Goat Skin
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Date
2014-09
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Addis Ababa University
Abstract
The mechanism of increasing WVP Goat upper leather, the processes have been developed.
These process developed during the project were, increased percentage of bating enzyme
during bating process, increased the duration time of liming process, avoided the qubracho
powder and acrylic syntan during retanning process, decreasing of synthetic fat liquor and
instead used semi synthetic fat liquor, increased the percentage of degreaser during
degreasing process, after wet blue for 2hrs treated the leather with 1% of urea and acetic acid.
For each process, the physical properties such as WVP, tensile strength, percentage
elongation at break, tear strength and grain crack were carried out. The result obtained from
each process at crust and finished listed in chapter 4 in table form. The experiments carried
out for both control and experiments for all experiments.
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Keywords
Permeability, Goat Skin, Leather, Water Vapour