Additional information to scouring of fibre blends

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1. DESCRIPTION OF TECHNIQUES, METHODS AND EQUIPMENT


Scouring fabrics with a blend of fibers requires consideration of the sensitivities of each fiber to scouring chemicals and to process conditions. Sensitivities to consider when scouring blends are:

Cotton

Resistant to strong alkali. Degraded by acid.

Rayon

Sensitive to alkali. May be dissolved by hot alkali.

Wool

Degraded by alkali.

Acetate

Hydrolyzed by alkali.

Polyester

Hydrolyses under extreme conditions of alkali and heat.


Literature: Chemistry and Technology of Fabric preparation and finishing; Dr. Charles Tomasino, Department of Textile Engineering, Chemistry & Science, College of Textiles, North Carolina State University, Raleigh, North Carolina, 1992


2. NEW TECHNOLOGIES


a) Changes in the process

No information is available.

b) Changes in the heat supply system

No information is available.

c) Changes in the energy distribution system

No information is available.


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