DETERMINATION OF THE AMOUNT OF DYE EXTRACTED FROM PLANTS AND EXAMINATION OF THEIR FASTNESS PROPERTIES TO COTTON FABRICS
DETERMINATION OF THE AMOUNT OF DYE EXTRACTED FROM PLANTS AND EXAMINATION OF THEIR FASTNESS PROPERTIES TO COTTON FABRICS
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Date
1985-09
Authors
BIN, NYAM, BITRUS
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Abstract
Nyam, Bitrus Bin, Determination of the Amount of
Dye Extracted from Plants and Examination of Their
Fastness Propertie s to Cotton Fabrics. Master of Arts in
Industria l Design, September, 1985, 141pp., 16 Plates,
3k reference titles.
The problem of this study is to investigat e the
extent to which dyes can be extracted from plants as
well, as examining their fastness propertie s to cotton
fabrics. The purposes of the study ar e to determine
ways and the amount of dyes that can be extracted from
plants, the effects of geographical environment, mordants
and water on plant dye.
Throe dye plants, bixa, turmeric (gangamau, magina)
and onion skins (albasa) were selected. Also selected
were tap and well water and six types of mordants, wood
ash, copper, chrome, iron, ti n and alum.
The data for this study were obtained by raising the
temperature of the dyebath and mordant bath to boiling
point and room temperatures fo r 5 to 120 minutes.
From the analysis of data, it is conclusive that:
1. Extraction of dye is made by boiling the dye
material for 30 minutes. 2. 20 grams of bixa and turmeric are each capable
of producing 1.5 grams and 2.7 grams respectively,
while 20 grams of onion skin s produce 150ml. of
dye solution.
3. Geographical environment of plant dye is only
significant as a result of mordant.
4
. Effect of water on plant dye depends on the
plant and mordant used.
5. No significance difference is observed in
colour between room and boiling point temperature
mordanting.
6, Mordants help in varying the colour of the
same dye plant as well as making the colour
fast .
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Keywords
FASTNESS PROPERTIES TO COTTON FABRICS, FASTNESS PROPERTIES TO COTTON FABRICS