Scouring and bleaching of cotton fabric.
Introduction:
The term scouring applies
to removal of impurities such as oils, wax, gums, soluble of impurities and
sold dirt commonly found in textile material and produce a hydrophilic and
clean with.
Bleaching is chemical
treatment employed for the removal of natural coloring matter from the substrate.
The source of natural color is organic compounds with conjugated double bonds. By
place doing chemical blacking the discoloration takes place by breaking the chromosphere
most likely destroying the one or more double bonds with in this conjugated system.
The material appears liter of the bleaching. The purpose of bleaching is to
remove colored impurities from the fiber and increase the whitens level of
fabric.
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