首页>
外国专利>
Process for pre treating a cellulosic substrate, or combinations thereof with synthetic fibers and cellulosic composition for pre treatment of a cellulosic substrate, or combinations of cellulose with synthetic fiber before dyeing.
Process for pre treating a cellulosic substrate, or combinations thereof with synthetic fibers and cellulosic composition for pre treatment of a cellulosic substrate, or combinations of cellulose with synthetic fiber before dyeing.
Process for pretreatment of cellulosic fibers, and combinations of the cellulosic fiber.Process and formulation for pretreatment of cellulosic and cellulosic substrate combination with synthetic fiber, to obtain sufficient and appropriate absorption cleaning before dyeing the substrate.The process having the steps of: provision of a container; the provision of cellulosic substrates, combinations thereof with synthetic fibers; the provision of water bath; addition of a quantity of active U.M composed of activating selected group of salts of organic acids, organic amine derivatives, salts and complexes of transition metal.Pigments, and combinations thereof; adding a quantity of active caustic soda; adding a quantity of active hydrogen peroxide; obtaining a pH of about 6 to about 9.0 at the end of the cycle bleaching; heating water bath at a temperature exceeding 50 198 C for a period of time, pre - determined and disposal of the bath.
展开▼
