Polydopamine-coated silk yarn for improving the light fastness of natural dyes

2019 ◽  
Vol 135 (2) ◽  
pp. 143-151 ◽  
Author(s):  
Sanhanut Kesornsit ◽  
Phichet Jitjankarn ◽  
Warayuth Sajomsang ◽  
Pattarapond Gonil ◽  
John B. Bremner ◽  
...  
Keyword(s):  
Natural Dyes ◽  
Light Fastness ◽  
Silk Yarn

Studies on the Effect of Sinapic Acid on Silk Fabric Printing with Sorghum Red

2013 ◽  
Vol 796 ◽  
pp. 395-399 ◽  
Author(s):  
Xi Chun Dai ◽  
Zhi Wei Hang ◽  
Xiang Rong Wang
Keyword(s):  
Guar Gum ◽  
Sinapic Acid ◽  
Natural Dye ◽  
Natural Dyes ◽  
Saturated Steam ◽  
Silk Fabric ◽  
Light Fastness ◽  
Wash Fastness

In order to improve fastness of printing silk fabric with natural dyes, the influence of sinapic acid on printing of silk fabric with sorghum red was investigated in this work. The silk fabric was printed using guar gum as paste, sorghum red as natural dye, sinapic acid as auxiliaries. The appropriate steaming condition was the temperature 100°C, time 15min and saturated steam. The results showed that the light fastness and the wash fastness of the printed fabric were improved by the addition of sinapic acid. It is proposed that sinapic acid can be applied as effective fastness improver of natural dyes.

scholarly journals Printing with Natural Dye Extracted from Impatiens glandulifera Royle

Coatings ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 445
Author(s):  
Maja Klančnik
Keyword(s):  
Invasive Plant ◽  
Color Change ◽  
Woven Fabrics ◽  
Natural Dye ◽  
Natural Dyes ◽  
Synthetic Dyes ◽  
Japanese Knotweed ◽  
Light Fastness ◽  
Impatiens Glandulifera ◽  
Impatiens Glandulifera Royle

Invasive alien plants that damagingly overgrow native ecosystems can be beneficially used to produce natural dyes. Natural dyes are healthier and more environmentally friendly than synthetic dyes, so their use on textiles and other products that come into contact with humans is desirable. In this study, the possibility of using a natural dye extracted from the purple petals of the invasive plant Impatiens glandulifera Royle (Himalayan balsam) for screen printing on various substrates; woven fabrics and different papers made from virgin fibers, recycled fibers, and from fibers of Japanese knotweed, was investigated. The prints were evaluated by color measurements and fastness properties. With the violet dye extract, purple-brown prints were obtained on papers made from Japanese knotweed, and more brown prints on other substrates. They had excellent rub fastness but faded significantly when exposed to light. The wash fastness of the prints on cotton fabrics was moderate and poor on polyester fabrics, but the prints had good resistance to wet ironing. The addition of acid to the printing paste resulted in a lighter violet color, the addition of alkali caused a drastic color change to green, both additives increased the light fastness of the prints but reduced the fastness on fabrics to wet treatments.

Domestic Method of Silk Dyeing with Raw Natural Colours

2015 ◽  
Vol 19 (3) ◽  
pp. 32-44 ◽  
Author(s):  
Prof. Asim Kumar Roy Choudhury ◽  
Mr. Suman Mitra
Keyword(s):  
Aqueous Extract ◽  
Natural Dyes ◽  
Cost Comparison ◽  
Synthetic Dyes ◽  
Light Fastness ◽  
Extraction And Purification ◽  
Natural Mordant ◽  
Silk Dyeing

Commercial natural dyes are quite costly as manufacturers are to follow multi-step extraction and purification procedures for standardisation purposes. Upon cost comparison, they lose in the market to synthetic dyes. However, in the handicraft sector, reproducibility may be of lesser importance against cost. In the present study, a domestic method of dyeing silk with the aqueous extract of raw plant/tree components (flower, leave, bark and root) by using a natural mordant and alum will be described. Good dyebath exhaustion and washing and light fastness are observed for some of the natural colouring matters.

The Light-fastness of the Natural Dyes

1966 ◽  
Vol 11 (4) ◽  
pp. 181-196 ◽  
Author(s):  
TIM PADFIELD ◽  
SHEILA LANDI
Keyword(s):  
Natural Dyes ◽  
Light Fastness

scholarly journals Extraction of Eco-Friendly Natural Dyes from Pina Leaves and their Application on Wool Fabrics

2019 ◽  
Vol 7 (4.14) ◽  
pp. 382
Author(s):  
A. J. Jalil ◽  
S. Mahmood ◽  
A. H. Abdul Rashid ◽  
S. H. Nasir ◽  
S. A. Ibrahim ◽  
...  
Keyword(s):  
Green Technology ◽  
Natural Dyes ◽  
Ananas Comosus ◽  
Light Fastness ◽  
Wool Fabrics ◽  
Textile Dyeing ◽  
Before And After ◽  
Dyed Fabrics ◽  
Technology Initiatives ◽  
Pineapple Leaves

Natural dyes comprise of colorants that are obtained from animals or vegetable matters without any chemical processing. Natural dyes can substitute synthetic dye and promotes green technology initiatives in the field of textile dyeing. This study was carried out by extracting dyes from pineapple leaves (Ananas Comosus) using three stage mordanting methods using different mordants namely pre-mordanting, post-mordanting and simultaneous dyeing-mordanting. The mordants used were aluminium potassium sulphate, white vinegar and sodium chloride (NaCl). Wool fabrics were used for dyeing. The strength of colour and K/S values of the dyed fabrics were measured before and after washing. The colourfastness to washing, rubbing and light fastness of the fabrics were conducted to investigate the performance of the dye and mordants. The results indicate that the washing, rubbing and light fastness properties of dyed samples were between good to excellent grades.  

Improving light fastness of natural dyes on cotton yarn

2006 ◽  
Vol 70 (3) ◽  
pp. 238-245 ◽  
Author(s):  
D CRISTEA ◽  
G VILAREM
Keyword(s):  
Natural Dyes ◽  
Cotton Yarn ◽  
Light Fastness

scholarly journals Ascorbic acid treatment to improve the light fastness or as reducing agent on silk fabric dyed with pulverised natural dyes

2016 ◽  
Vol 20 (2) ◽  
pp. 74-86 ◽  
Author(s):  
F.A. Faiz ◽  
J.S.K. Ngo ◽  
K.B. Bujang
Keyword(s):  
Ascorbic Acid ◽  
Vitamin C ◽  
Reducing Agent ◽  
Natural Dyes ◽  
Light Fastness ◽  
Garcinia Mangostana ◽  
Acidic Aqueous Solution ◽  
Content Type ◽  
Onion Skin ◽  
Silk Fabrics

Purpose This study aims to improve the natural dyeing recipe with better light fastness using ascorbic acid (vitamin C) with pulverised plant dyes. Design/methodology/approach Silk fabrics pre-mordanted with alum (aluminium ammonium sulphate) were dyed using six types of plant dyes available in Sarawak, Malaysia, namely, Engkerabai leaves (Psychotria viridiflora), Ketapang leaves (Terminalia catappa), mangrove bark (Ceriops tagal), Sepang wood (Caesalpinia sappan), mangosteen husk (Garcinia mangostana) and onion skin (Allium cepa). Then, the dyed samples were immersed in vitamin C. The dyed and vitamin C-treated silk samples were exposed to direct sunlight for 40 h to test whether vitamin C had any effect on the light fastness of the dyed samples. Findings It was found that the fabric samples using vitamin C for after-treatment, particularly Engkerabai, Ketapang, mangrove and mangosteen, exhibited better light fastness. The colours of the four samples changed and looked darker when compared to the non-treated fabric samples. However, it was observed that vitamin C had a reverse effect on Sepang wood and onion skin. The acidic aqueous solution of vitamin C discharged the dyed samples instead. Originality/value In conclusion, depending on the plant types, vitamin C can be used to improve the light fastness of natural dyes or as a reducing agent for natural dyes.

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