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What is "Catalyst" - Definition & Explanation

A substance, which accelerates a chemical reaction although not necessarily a part of that reaction. Catalysts are used in fiber production, and textile dyeing, finishing and processing.
a substance that, when added to a reaction mixture, changes (speeds up) the rate of attainment of equilibrum in the system without itself undergoing a permanent chemical change.

Some other terms

Some more terms:

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A manufactured fiber similar to acrylic in characteristics and end-uses. Modacrylics have a higher resistance to chemicals and combustion than acrylic, but also have a lower safe ironing temperature...
A dye with a distinctive blue color. The chemical compound that constitutes the indigo dye is called indigotin. Historically, indigo played an important role in many countries' economies because...
Mercerisation alters the chemical structure of the cotton fibre. The structure of the fibre changes from alpha-cellulose to beta-cellulose. Mercerising results in the swelling of the cell wall which...
Sewing is an ancient craft involving the stitching of cloth, leather, animal skins, furs, or other materials, using needle and thread. Its use is nearly universal among human populations and dates...

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