us7485158b2 - method of dyeing the textile article from

Effect of Reactive Groups of Reactive Dyes on Dyeing of

Jun 06 2017Modal fiber is a regenerated cellulosic fiber and it is more absorbent than cotton or other synthetic fiber The aim of our project work is to dye the modal fabric with two types of reactive dye i e MFT+VS type reactive dye and MCT+VS type reactive dye And observe the color yield on modal fabric also compare the wash rubbing fastness on dyed textile

The new era of textile dyeing and finishing in China

This is compared to the usage of one to two components to knit the blended fabric in the past As different components require separate dyeing treatments during the process the textile dyeing and finishing industry in China will now need to apply more advanced and complex dyeing and finishing techniques to tailor such blended fabrics

A Review of State

Apr 17 2015Not of the dyes are fixed to the fiber during the dyeing process For example reactive dyes show the minimum fixing range with 20–50% to cotton and viscose A big part of the colored wastewater coming from textile dyeing processes is caused dyeing process such as cotton dyeing with reactive dyes with the poorest fixation property

Coloration of polyester fiber with natural dye henna

Jan 28 2018The demand of natural colorants for the dyeing of textile fibers has been increasing gradually in recent years due to a growing global ecological awareness as well as a greater emphasis on a cleaner and greener production process The eco-friendly dyeing of polyester fiber with natural dye henna is a novel approach that has extensively been studied in this article

Air Pollution From Bleaching and Dyeing Industries

Jul 21 2017Hazardous bleaching and dyeing units are rapidly increasing in developing countries due to growing global demand of textile products The aim of the study is to assess long-term respiratory effect of air pollution generated from textile bleaching and dyeing industries on the residents living in such industrial setting

Resist

Resist-dyeing is a widely used method of applying colours or patterns to fabric A substance that is impervious to the dye blocks its access to certain areas of the fabric while other parts are free to take up the dye colour Tie-dyeing involves pinching areas of cloth and tying them tightly with thread before dyeing

8 Fabric Dyeing Techniques

There are so many fabric dyeing techniques that produce gorgeous and diverse results Today I'll show you 8 different fabric dyeing methods with video tutorials All of these techniques are demonstrated using Rit Dye which is an all-purpose dye but you can also use other types of dye like fiber reactive dyes to get the same results Just

Dyeing with nettles – Rebecca Desnos

Apr 30 2018A note on fabric I pretreat my fabric (cellulose/plant fibres) using the soya milk method as outlined in my book Botanical Colour at your Fingertips You might choose another method or if you're dyeing protein fibres then you might not use anything at all But for clarity my fabric is all cellulose and pretreated with soya milk Dyeing

The new era of textile dyeing and finishing in China

This is compared to the usage of one to two components to knit the blended fabric in the past As different components require separate dyeing treatments during the process the textile dyeing and finishing industry in China will now need to apply more advanced and complex dyeing and finishing techniques to tailor such blended fabrics

DYE WASTEWATER TREATMENT: REMOVAL OF REACTIVE DYES

Coagulation is the most commonly used method in the treatment of textile wastewater In the present work we report experimental work on treatment of synthetic waste containing pure reactive dyes removal of reactive blue dye using various commercial coagulants such as alum polyaluminium chloride (PAC) polydiallyldimethylammonium chloride

Extraction and analysis of natural dye

Dyeing textile using natural dyes was found to yield poor color have inadequate fastness properties To overcome such hassle mordants are used Metal ions of mordants act as electron accepts for electron donors form coordination bonds with the dye molecule making them insoluble in water [5]

Textile – Fibre to Fabric Processing

weaving or knitting mill Af ter dyeing and finishing the woven material is ready for delivery either directly to manufacturer of textile products where they are finally stitched into clothes The flow diagram of the fibre to fabric process is shown in Figure 1 Polymers 2 are the resource for man-made fibres which are derived mostly from oil

Textile dyeing industry an environmental hazard

The daily water consumption of an average sized textile mill having a production of about 8000 kg of fabric per day is about 1 6 million liters 16% of this is consumed in dyeing and 8% in printing Specific water consumption for dyeing varies from 30 - 50 liters per kg of cloth depending on the type of dye used

Preparation of Viscose Fibres Stripped of Reactive Dyes

May 05 2018The chemical recycling of cellulosic fibres may represent a next-generation fibre–fibre recycling system for cotton textiles though remaining challenges include how to accommodate fibre blends dyes wrinkle-free finishes and other impurities from finishing These challenges may disrupt the regeneration process steps and reduce the fibre quality

Reducing water footprint in textile industry

The dyeing process isn't the only major water consumer but growing crops and many other industrial processes consume significant quantities of water the ITJ Features brings authentic articles stories cover story write-ups textile info textile report textile article fashion article technology article industry report case studies news articles opinion product news

Can Waterless Dyeing Processes Clean Up the Clothing

Jun 12 2014One of the world's most polluting industries is the textile-dyeing sector which in China and other Asian nations releases trillions of liters of chemically tainted wastewater But new waterless dyeing technologies if adopted on a large scale could sharply cut pollution from the clothing industry

Extraction and Characterization of Natural Dye from Green

The dyeing principle in extracts from green walnut shells and walnut leaves is 5-hydroxy-1 4-naphthoquinone (juglon CI 75500) Dyeing textile substrates with aqueous walnut extracts yields brown shades Little attention has been given to the antibacterial dyeing of textiles using walnut as a natural dye

US20070240266A1

A novel method of dyeing the textile article from medicinally rich herbs developed natural unique deep fast coloured textile article having medicinal effect to cure number of diseases and shield the human skin Successive stages of dyeing: Desizing Bleaching Scouring Galling Mordanting Dyeing Washing Colour Fixing Finishing

Dyeing of Cotton Fabric with Reactive Dyes

Textile materials dyed with reactive dyes have very good wash fastness with rating Reactive dye gives brighter shades and has moderate rubbing fastness Dyeing method of reactive dyes is easy It requires less time and low temperature for dyeing

Resist

Resist-dyeing is a widely used method of applying colours or patterns to fabric A substance that is impervious to the dye blocks its access to certain areas of the fabric while other parts are free to take up the dye colour Tie-dyeing involves pinching areas of cloth and tying them tightly with thread before dyeing

5 Natural Dyes You Can Create from the Contents of Your

Sep 28 2018"If you want to continue to dye the dyeing fabric used in the first process you can also obtain blue tones To do this add a tablespoon of salt to the pot with the red cabbage and the selected dyeing fabric is returned to the dye bath There it is heated again to 80C and left to cool down afterwards in the dye bath

DYE WASTEWATER TREATMENT: REMOVAL OF REACTIVE DYES

Coagulation is the most commonly used method in the treatment of textile wastewater In the present work we report experimental work on treatment of synthetic waste containing pure reactive dyes removal of reactive blue dye using various commercial coagulants such as alum polyaluminium chloride (PAC) polydiallyldimethylammonium chloride

What is Garment Dye?

Jan 17 2020The typical method for adding color to a garment (like a sweatshirt) is through a process called piece-dying which means the fabric roll is dyed before it's cut into a pattern and sewn together Piece-dyeing fabric creates an even color without variation Garment-dyeing flips the process around the sweatshirt is sewn first then washed in

Natural Dyes From Vegetables and Plants

To dye fabric: Wearing gloves squirt dyes directly onto the fabric (Tip: Plan to put adjacent primary colors (red yellow blue) or secondary colors like orange green and purple next to each other in the areas where they run together they will blend together and create a third color )

Dyeing

Feb 21 2019Dye fixation is a measure of the amount of the percentage of dye in a bath that will fix to the fibers of the textile material Dye fixation on the fiber occurs much more rapidly in continuous dying than in batch dyeing Each dyeing process requires different amounts of dye per unit of fabric to be dyed

Processes

The textile industry uses large quantities of water in stages such as pretreatment bleaching dyeing and printing which demand approximately 100–200 L of high-quality water per kilogram of textile product and consequently generate huge amounts of dye wastewater [] The wastewater produced by textile industry contains organic matter toxic chemicals derived from fixing

5 Natural Dyes You Can Create from the Contents of Your

Sep 28 2018"If you want to continue to dye the dyeing fabric used in the first process you can also obtain blue tones To do this add a tablespoon of salt to the pot with the red cabbage and the selected dyeing fabric is returned to the dye bath There it is heated again to 80C and left to cool down afterwards in the dye bath

Reducing water footprint in textile industry

The dyeing process isn't the only major water consumer but growing crops and many other industrial processes consume significant quantities of water the ITJ Features brings authentic articles stories cover story write-ups textile info textile report textile article fashion article technology article industry report case studies news articles opinion product news

Coloration of polyester fiber with natural dye henna

Jan 28 2018The demand of natural colorants for the dyeing of textile fibers has been increasing gradually in recent years due to a growing global ecological awareness as well as a greater emphasis on a cleaner and greener production process The eco-friendly dyeing of polyester fiber with natural dye henna is a novel approach that has extensively been studied in this article