Process for treating cotton yarn or cotton cloth

摘要

144,083. Kashitani, S. May 28, 1919. Liquids, treating with, and mercerizing.- Cotton cloth is treated for the purpose of rendering the surface thereof smooth, lustrous, soft, suitable for dyeing, and incombustible. The material is immersed for from 1 to 50 minutes in sulphuric acid of 52 to 60‹ BÚ., washed in water, shaken, beaten, or stretched to remove adhering or projecting fibres, and immersed for 10 to 15 minutes in caustic soda of from 8 to 15‹ BÚ. It is then treated with a 3 per cent solution of borax to render the material incombustible, and afterwards with a 5 per cent solution of glycerine or with a solution of calcium chloride, glucose, or soap.