TS 111 Chapter Notes - Chapter 10: Pascalization, Mercerised Cotton, Calendering
Document Summary
Permanent: usually involve a chemical change in fiber structure and do not change or alter throughout the life of a fabric. Durable: usually last throughout the life of the article, but effectiveness becomes diminishing after each cleaning, and the near end of normal use life of the article, the finish is nearly removed. Semi-durable: last throughout several launderings or dry cleanings and many are renewable in hoe laundering or dry cleaning. Temporary: removed or substantially diminished the first time an article is laundered or dry cleaned. Pretreatment process: cleaning operations to rid the fabric of all soil and additives that have accumulated during the weaving or knitting process. Scouring: in woolens and worsteds, fabrics are treated with soaps or detergents, rinsed, and then dried. Desizing: enzyme solutions like amylase are used to removed starch. Carbonizing: removes leaf particles and bits of grass and other cellulosic impurities that become embedded in the wool while sheep are grazing.
