The use of D-optimal design in optimization of wool dyeing with Juglansregia bark

Author:

AMINODDIN HAJI1,SAYYED SADRODDIN QAVAMNIA1,MAJID NASIRIBOROUMAND2

Affiliation:

1. Department of Textile Engineering, Birjand Branch Islamic Azad University, Birjand, Iran

2. Department of Carpet, Faculty of Art, Shahid Bahonar University of Kerman Kerman, Iran

Abstract

In this study, wool fibers were dyed using the Juglansregiabark as a new source of natural dye. Alum was used as mordant. Response surface methodology and D-optimal design were employed to study and optimize the dyeing procedure with the aim of obtaining the maximum color value after dyeing with aqueous extract of Juglansregiabark. The results showed that the color value of the dyed fibers was increased by increasing the dyeing time and temperature and decreased by increasing the dyebath pH value. There was an optimum value of around 6 % owf for mordant concentration. The optimal condition for obtaining the highest color value was as follows: dyebath pH: 6, alum concentration: 6.24 % owf, dyeing temperature: 90 ºC, and dyeing time: 90 min.

Publisher

The National Research and Development Institute for Textiles and Leather

Subject

Polymers and Plastics,General Environmental Science,General Business, Management and Accounting,Materials Science (miscellaneous)

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