Stain removal bleaches

Uses Thickener tor cosmetics and toiletries, delicate fabric powds. and liqs., prewash, stain removers, bleach boosters, all-purpose household cleaners, harid-surf. cleaners... 

Chem. Descrip. Tetraacetyi ethyienediamine with tallow fatty alkyl polyglycol ether Uses Bleach activator in heavy-duty detergents, laundry detergents, stain removers, bleach boosters... 

Figure 10.21 Relative stain removal after 60 min bleaching at 60 °C [233] 6.5 x 10 3 mol/l hydrogen peroxide in buffer solution. Relative share (%) of the protolytic forms of hydrogen peroxide in the total amount at 60 °C ( 0-0 negligible in this range)...

Chelants in bleach-activated powder laundry detergents have a number of key roles to play - bleach stabilization, dye and fabric protection, stain removal, and scale inhibition. 

Laundry powders in Europe use sodium percarbonate and a bleach activator, tetraacetylethylenediamine ( ED), to form peracetic acid in the washing machine that then reacts with bleachable stains such as tea, red wine, coffee, and curry to remove /bleach them from cloth. Transition metal ions, in particular copper, cause first decomposition of peracetic add before it can bleach stains and second react with peroxide to form highly readive hydroxyl radicals that can cause dye and fabric damage [32]. Chelants bind with copper and other metals to prevent these unwanted side readions. 

Abrasive cleaners arc used lo remove soils and stains from hard surfaces that are durable lo the scouring action. Such surfaces include stainless steel and porcelain plumbing fixtures, metal and ceramic cooking utensils, and various stone, metal, and ceramic building surfaces. Typically, these products consist of a very high level of abrasive (commonly silica flour) with moderate to low levels of a dry chlorine bleach (KDCC or chlorinaled trisodium phosphate) and low levels of surfactant (LAS) and builder (STP) for wetting action and improved stain removal... 

Emulsifiable concentrate formulation of malathion, diluted to field strength (0.5% a.i.) was used to contaminate 100% cotton. A single warm water wash (50°C) results in 6% malathion residue remaining on the fabric. A double wash results in approximately 3% residue remaining. Using a bleach/soak pretreatment, a prewash soil and stain remover, or an additional wash does not significantly improve residue removal. 

Place the print in the mordant for 1 to 5 minutes. The image will turn brownish gray. The longer the image is in the bleach the more silver is mordant and the deeper the dye tone. Wash for 5 minutes or until all of the bleach is removed from the print. Place in the dye toner for 2 to 5 minutes. Rinse, use stain remover if necessary, and wash. 

Typical physical and chemical properties of commercial modacrylic fibers have been published (125). Modacrylics are not affected by bleaches in the concentrations used for spot and stain removal (31). They are immune to attack by rot, mildew, bacteria, and insects such as moths and carpet beetles (125). Fungi may grow in dirt in an unlaundered Dynel fabric, but washing out the dirt removes the mildew with no effect on the fabric. 

Bleaches can be used to remove stains from clothing. Where do the stains go Bleach does not actually remove the chemicals in stains from the fabric it reacts with them to form colorless compounds. In chlorine bleaches, an ionic chlorine compound in the bleach reacts with the compounds responsible for the stain. This ionic compoimd is sodimn hypochlorite (NaOCl). The hypochlorite ions oxidize the molecules that cause dark stains. 

Sodium xylenesulfonate, sodium cumenesulfonate Sodium citrate, sodium tripolyphosphate Enzymes (stain remover), borax (cleaning aid), sodium formate, calcium chloride (enzyme stabilizing system), hydrogen peroxide (bleach), soil release polymers (soil release), polyvinylpyrrolidone (dye transfer inhibition)... 

Bleach Sodium hypochlorite Perborate 0.5-2 Stain removal, soil removal, disinfectant... 

While enzymes have played a role in powder detergents in the U.S. market over the years, more recently they have started to emerge as additives in LADD formulations. Both proteases and amylases have appeared in LADDs in spite of the fact that, unlike powders, oxygen bleaches could not be incorporated for stain removal. They first appeared in bottled liquid/gel products in 2000 in the U.S. These were introduced as premium products, with dual enzymes, and captured about 5% of the total automatic dishwashing market. 

Most bleach cleaners, however, are simple, water-thin solutions. The most common formulations are a simple combination of hypochlorite bleach, sodium hydroxide (to achieve a pH of 10 to 12), amine oxide surfactant, and a low quantity of perfume. However, despite their simplicity, these types of products are very effective stain removers and disinfectants. 

Crystalline colourless solid. Found in many plants, particularly the leaves of the rhubarb plant and in the juice of wood sorrel. Salts of Sorrel, Salts of Lemon. Used as a bleach and ink stain remover. The concentrated solution is corrosive. Harmful if inhaled or absorbed through skin 15 g oral agonizing pain, nausea and vomiting with haematemesis. Lowers plasma calcium convulsions, tetany, tingling of mucous membranes. Renal damage tubular necrosis. Smallest lethal dose reported 3.8 g in a 16-year-old boy. 

Uses Ink stain removal cleaning metals and woods in photography mordant in dyeing bleaching agent for stearic acid laboratory reagent commercially avail, in monohydrate cryst. form... 

Uses Bleaching agent for household and industrial use, laundry detergents, textile processing, foods oxidizing agent in cosmetics denture cleaner stain remover/deodorizer for carpets dyestuffs oxidation reagent mild antiseptic Manuf./Distrib. ABCR http //www.abcr.de,... 

Tetraacetyl ethylenediamine activator, bleach heavy-duty detergents Tetraacetyl ethylenediamine activator, bleach machine dishwash Tetraacetyl ethylenediamine activator, bleach stain removers Tetraacetyl ethylenediamine activator, bleach toothpaste Tetraacetyl ethylenediamine activator, blowing agents Isopropyl titanium triisostearate Tetraisopropyl di (dioctylphosphito) titanate activator, butyl rubber Poly-p-dinitrosobenzene activator, castings... 

Cocamidopropylamine oxide PEG-10 cocoate detergent, biological nondenaturing 3-[(3-Cholamidopropyl) dimethylammonio]-1-propanesulfonate detergent, biotechnology Lauroyl sarcosine Myristoyl sarcosine Oleoyl sarcosine Stearoyl sarcosine detergent, bleaches Lauramine oxide detergent, blood stain removal Bromelain... 

---