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The purpose of the bleaching is to move out the natural pigment of the cotton fiber and make the cotton fabric with necessary white and improve color brightness of dying. The decolorizer have the sodium hypochlorite, sodium chlorite, hydrogen peroxide, peracetic acid, etc.
1.sodium hypochlorite bleaching
The sodium hypochlorite is the main reactant of this method. The constitute of the bleaching liquid is similar with the constitute of the sodium hypochlorite, which both should be dechlorinated by the vitriol.
2.sodium chlorite bleaching
The sodium chlorite is the main reactant of this method. Pad steaming process bleaching liquid is constitute with the sodium chlorite, activator, buffer agent, surfactant, etc. During the process, it may produce the poisonous chlorine dioxide, which is very harmful to the human.
3.hydrogen peroxide bleaching
The hydrogen peroxide is the main reactant of this method. The constitute of the bleaching liquid is similar with the constitute of the hydrogen peroxide. The hydrogen peroxide and peroxidase bleaching is called for, because which are reduce the pollution to the environment.
4.peracetic acid bleaching
The peracetic acid is the main reactant of this method. The constitute of the bleaching liquid is similar with the constitute of the peracetic acid. Compared with other bleaching liquid, the peracetic acid have many advantages:
(1) oxidation potential is similar to the sodium chlorite (2) don't produce any poisonous, the emission is biodegradable (3) the bleaching is under the weak acid or neutrality condition, which is good for protecting the mechanical property of the fabric. So the peracetic acid bleaching is the best method.
By yulong tex
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∙ 8y ago
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How do you remove stain on a colored shirt?
Removing a stain depends on the type of stain. Determine if it is dye, protein, tannin, oil, or a combination stain in order to be more efficient. If you do not know, follow the steps below:Remove as much of the stain as you can by blotting the fabric with a clean paper towel or by scraping it off. Do not rub it, because that may spread the stain.Use a commercial pretreatment, which can be found where you buy your detergent and has instructions on the back. Rinse in cool water.If the stain is gone, wash it normally. If the stain is not there, you can repeat the pretreatment, or soak it in cool water before washing it.
How do you get hi-lighter stain out of clothes?
Pretreat the stain with a pretreatment. You can find these in the same aisle as your detergent, and they will have directions on the back.Wash the garment in hot water.
How do you remove feviquick mark from fabric without damaging the fabric?
To remove feviquick mark from the fabric without damaging the fabric you will have to let it dry first before soaking the fabric and wash it gently.
How do you get gum off of fabric?
Freeze the fabric by placing it outside in winter or into your freezer.Break the gum off carefully.Thaw the fabric and pretreat the stain.Wash the fabric as you normally would.
Is there he fabric softener?
There is no such thing as HE fabric softener and its not needed.
What is pretreatment?
Pretreatment is done before washing or cooking. Anything that takes place before either washing or cooking is considered a pretreatment.
What takes makeup out of shirt collars?
Laundry pretreatment products will.
What color is moraxella catarrhalis after the decolorizer is used?
Moraxella catarrhalis is a Gram negative bacterium. Thus, after the decolorizer is used, its thin cell wall won't retain the primary stain. The stain is washed away, and Moraxella catarrhalis is colorless.
How do you remove stain from polyester?
Removing stains depends more on the type of stain than on the fabric. I encourage you to ask about how to remove your specific stain, but the following instructions work for an unknown stain. Rinse the stain thoroughly in cool water and use a pretreatment. Wash the shirt on a cold cycle.
What would the results be if you used the TB decolorizer during the spore stain?
Depends if heat is used
How do you make decolorizer for gram stain?
It is an alchoholic compound i.e. 95% ethanol.
Why the fabric need a singeing process?
Generally, the first process of fabric pretreatment is singeing, especially for the fabric of natural fiber, as cotton\flax etc., they all need singeing to wipe redundant fibers which are nonuniform on the fabric, this process will make the fabric looks more glossy, and make the grain line more clear. Singeing can benefit dyeing and printing, it can also cut the yarn end and confused yarn. Singeing & mercerization technique is a high-tech in 1990s. The high count pure cotton yarn will become more smooth and breathable after singeing. Then the fabric will keep the pure cotton characteristics and got the better glossiness after mercerizing, it can give you the pure cotton character and silk feeling. By yulong tex
How do you remove fruit and vegetable stain from clothes?
Depending on the fruit or veggie, this stain could be easy to get rid of or it could be difficult. Pretreat the stain and rinse it out. If the stain is gone, you're good to go. If it's still there repeat the pretreatment and wash it, considering bleach if the fabric is color-safe or white.
How do you remove stain on a colored shirt?
Removing a stain depends on the type of stain. Determine if it is dye, protein, tannin, oil, or a combination stain in order to be more efficient. If you do not know, follow the steps below:Remove as much of the stain as you can by blotting the fabric with a clean paper towel or by scraping it off. Do not rub it, because that may spread the stain.Use a commercial pretreatment, which can be found where you buy your detergent and has instructions on the back. Rinse in cool water.If the stain is gone, wash it normally. If the stain is not there, you can repeat the pretreatment, or soak it in cool water before washing it.
What has the author Neil Alexis written?
Neil Alexis has written: 'Effects of indomethacin pretreatment on short-term ozone exposure in asthmatics'
What can be used for a simple stain procedure?
Perhaps Gram Staining? Steps are as follows: 1. Crystal Violet, 2. Iodine, 3. Decolorizer, 4. Safrinin
Why do fabric stores drape fabric?
When the fabric stores receive the fabric on the bolt, the fabric is wrapped right side in. To show the true color and texture of the fabric the employees must take the fabric and drape it over the bolt.
