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Absorbent Cotton Production Methods And Materials
Jan 15, 2018

The finest raw cotton, caustic soda (NaOH grade), water.

To tear off the cotton and pick out the impurities that can be seen, such as small stones, dead leaves, etc. Wash the cotton with water until the liquid is clear. Put the cotton in enamel pot, add water to just be submerged, then add 2% to 5% NaOH of the water weight to the pot, add it to boil and cook it for 10 minutes. Cool, rinse with a large amount of water, and take 10 minutes at the edge of the wash. Dry the washed cotton on a clean sheet of paper.

Note the lye (NaOH) with strong corrosion, must wear gloves and plastic apron, stick to the skin should be washed immediately. Don't boil the time too long to avoid the degree of polymerization and affect the esterification. Pay attention to dust when drying.