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1 Polish Journal of Applied Chemistry

1 2006

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Dyeing characterisations of alkoxide pre-treated acrylic-polyester fibres blend by the use of a cationic dye

El-Gabry L. K., Bendak A.

Polish Journal of Applied Chemistry

2006

Vol. 50, nr 3-4

83-94

Acrylic, Polyester fibres and their blend fabrics have been treated with cthanolic or propanolic sodium hydroxide solutions. The treated fabrics were dyed with a cationic dye. The pretreatments were found to improve the dyeability of both types of fibres. The pretreated acrylic/polyester blend can be simply dyed in one bath with single cationic dycstuff. Kinetic investigations of the dyeing process as well as the fastness properties of the dyed fabrics arc also given. The changes in moisture regain, loss in weight, tensile strength and elongation for pretreatment acrylic and polyester have been also studied.