FASH 290 Lecture Notes - Lecture 20: Dry Cleaning
Document Summary
Soap: salt of a long chain fatty acid. Reacts with hard water and forms an insoluble curd. Detergent: a chemical compound specially formulated to remove soil or other material from textiles (synthetic) Soil and soil removal: different types and ways to attach to the fabric. Often there is a mixture: agitation, heat. 3. detergent decrease one & you need to increase another. Phosphates have been replaced on us market with other types. Any bleach causes damage and this damage increases with temperature. May cause problems with synthetics and lightweight fabrics. Water softeners -in detergent or added separately to the wash water. Storage: do not: store next to plastic, raw wood, brown paper, newspaper, cardboard, in dry cleaner bags. Sorting - by color, dirt type and amount, linting, abrasion resistance. Washing: vertical and horizontal axis machines are available. Drying dyers are very hard on clothing. Solvents bases: perc (most common), fluorcarbon, or petroleum.
