Theory
Enzymes are complex organic, soluble biocatalysts formed by living organisms that catalyze chemical reactions in biological processes. After scouring and bleaching the cellulose goods are treated with acetic acid for neutralization hence the fabric is treated with a suitable enzyme for polishing the fabric surface by removing short and immature fiber from the surface. This bio-polishing process improves the outlook of the fabric by removing superficial and microfibrils. This process can be applied before or after a dying operation.
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Recipe
Functions of the Chemicals Required
Wetting agent: It accelerates the wettability of material in solution, thus helping the easy penetration of chemicals into the substrate. It reduces the surface tension of water to allow it to spread drops on a surface, increasing the spreading abilities of a liquid.
Acetic acid: Its function is to control pH in the process.
Enzymes: Enzymes are complex organic solution biocatalysts, formed by living organisms, that catalyze chemical reactions in biological processes. The enzymes hydrolyze and reduce the molecular weight of amylose and amylopectin molecules in starch.
Recipe Calculation
Total liquor : 10 ✕ 10 = 100 ml
Chemicals = (g/L ✕ Total liquor) / 1000
Freshwater = (100-0.6) = 99.4 ml
Sample of Enzyme Treated Fabric
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Enzyme Treated Cotton Sample ©Textile Pad |
Curve
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Enzyme Treatment Curve of Cotton ©Textile Pad |