Hanan Osman

Benha University · Textile Printing and Dyeing and Finishing

In the present work, cotton/wool 50/50 blended fabric is printed via three natural dyes nanoparticles namely: turmeric, madder and rhubarb. Dye powder of the three plants was milled for 30 days after which it was exposed to ultrasound for 6 hours. Cotton/wool substrate is mordanted prior to printing process using two mordants separately: tartaric a...

A novel application involving printing anionic dyestuffs, namely reactive, direct and acid dyes on cotton as well as 70/30 cotton/wool substrates is fulfilled using a cationic reactant. This technique involves using two steps: the first step is printing with a recipe that includes only the thickening agent and the cationic reactant followed by stea...

A nanoparticle size disperse dye treated with ultrasound has been applied on polyester fabric without using a carrier. Various dyeing and process parameters used are studied in detail, such as K/S values, dye particle size, dye exposure to ultrasound waves, printing paste pH, steaming conditions of prints, morphological study using SEM and TEM of d...

The chemical wet processing of textiles continues to expand each year using new technologies. The driving force being the need for cleaner, cost-effective and value added textile products. It is well known that, wool fabrics can be colored easily with acid, basic, direct, metal complex and reactive dyes while disperse dyes are used to colorate poly...