Application Of Pure Natural Indigo Dye In Denim Dyeing
Natural Indigo is a plant extract containing blue dye. Indigo is a blue obtained from the genus indigo.
dyestuff
The color of indigo in visible chromatography is between blue and violet.
Processing materials are mainly the leaves of Ma Lan (Baphicacanthus cusia Brem), the Indigofera suffruticosa Mill of Leguminosae, Polygonum Polygonum (Poly gonumtinctorinum Ait), and cruciferous Isatis indigotica (Isatis indigotica Fort), so they are different from Ma Lan, Mu Lan and Shan LAN respectively.
Authentic indigo contains residual lime, calcium hydroxide and calcium carbonate, but it does not contain sulfide.
Indigo dye is invented in China. It is dyed blue cloth and batik dyestuff. It can be seen in many folklore museums with indigo dye printing process.
The indigo dye used in modern printing and dyeing industry is no longer processed by natural plants. It is chemically synthesized and is a dyestuff for producing denim.
Jeans wear
Because of the way of dressing in an informal manner, it caters to the modern people's aesthetic consciousness and the psychological needs of freedom and pleasure. Coupled with its continuous renovation of fashion, people have a special liking for it.
Jeans are not only available
style
The color is refurbished and the finishing process is being renovated.
In weaving, in addition to the traditional woven structure, knitted Cowboys also began to appear. In addition to cotton, cotton knitted fabrics, cotton wool, silk and cotton blended with other recycled fibers were also used in raw materials, while general anesthesia, bamboo fiber and blended denim fabrics also appeared.
It has greatly enriched the field of jeans.
But a reality that cannot be avoided is safety.
This is mainly about the safety of dyes and dyeing.
As we all know, indigo dye is a kind of reducing dye. It was originally pure natural, that is, it was extracted from bluegrass.
The indigo dye, which has been chemically synthesized, has been used to this day.
In fact, whether it is artificial or natural indigo, the principle and the molecular formula are almost the same, and the dyeing process is not much different.
As far as safety is concerned, natural indigo is obviously much higher than chemical indigo.
In nature, natural indigo itself has certain antibacterial and bactericidal effects, which is incomparable to indigo.
Synthetic indigo dyed denim is usually dark blue. It is difficult to achieve light color. Natural indigo can be achieved.
This can not only make up for the shortage of chemical dyeing, but also enrich the charm of jeans.
Denim, made of pure natural indigo, does not contain harmful substances and has a sense of safety in finishing.
At the same time, most of the existing washing process can still be used.
Today, advocating green environmental protection, people pay more attention to the environmental protection and safety of jeans.
It is a pity that many manufacturers emphasize the use of natural fibers and ignore the natural nature of dyes, which is a great misunderstanding.
Market demand determines that the high-end jeans market must be a product with high environmental value and high added value.
Denim clothing with pure natural indigo blue will become a wonderful flower in the high-end cowboy market.
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