Development of natural dyed jute fabric with improved colour yield and UV protection characteristics |
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| Authors: | S.N. Chattopadhyay N.C. Pan A.K. Roy S. Saxena A. Khan |
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| Affiliation: | 1. Department of Chemical &2. Biochemical Processing , National Institute of Research on Jute &3. Allied Fibre Technology, Indian Council of Agricultural Research , Kolkata , India sambhu_in@yahoo.com;5. Allied Fibre Technology, Indian Council of Agricultural Research , Kolkata , India;6. Biochemical Processing , Central Institute for Research on Cotton Technology, Indian Council of Agricultural Research , Mumbai , India |
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| Abstract: | Premordanting of jute fabric was carried out following single mordanting by biomordants (myrobolan and pomegranate) and ecofriendly chemical mordants (ferrous sulphate and potash alum) and double mordanting by sequential treatment of biomordant and ecofriendly chemical mordant. Extraction condition of natural dyes from manjistha, annatto, ratanjot and babool was standardised and applied on premordanted jute fabric. There is a substantial improvement of colour yield, levelness of dyeing and wash fastness properties of natural dyed jute fabric after double premordanting using bio and chemical mordant. Light fastness ratings are moderate to good while rubbing fastness are very good to excellent for all the natural dyed jute fabric. Very good ultraviolet (UV) protection ratings are achieved in case of dyeing of jute fabric using natural dyes extracted from manjistha, annatto, ratanjot and babool after premordanting with sequential treatment of biomordant and chemical mordant. UV protection properties of natural dyed jute fabric follows the order babool?>?annatto?>?manjistha?>?ratanjot. |
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| Keywords: | biomordant chemical mordant dyeing properties jute fabric natural dye UV protection |
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