• Direct dyes, including that portion of "all purpose" dyes that is left in cotton that has been dyed with them, are only loosely associated with the fiber molecule through the property called substantivity, which is the tendency of the dye to associate with the dye without strong bonds. (pburch.net)
  • This substantivity is increased by increasing the size of the dye molecule, so direct dyes tend to be large. (pburch.net)
  • Small dye molecules tend to be bright, while large dye molecules tend to be duller (as there are more parts that can absorb additional wavelengths of light), so direct dyes are generally much less bright in color than fiber reactive dyes. (pburch.net)
  • Manufacturers & Exporters of Direct Dyes, Reactive Dyes (HE / ME), Remazol Acid Dyes. (needsinfo.com)
  • They are mainly used to dye wool, not cotton fabrics. (wikipedia.org)
  • These dyes possess acidic groups, such as SO3H and COOH and are applied on wool, silk and nylon when ionic bond is established between protonated -NH2 group of fibre and acid group of dye. (wikipedia.org)
  • In textiles, acid dyes are effective on protein fibers, i.e. animal hair fibers like wool, alpaca, and mohair. (wikipedia.org)
  • This is the amount they recommend for adding to 2.5 gallons of water, to dye one pound of wool, using Procion MX dyes. (pburch.net)
  • Concentrated powdered hot water dyes that produce the most vibrant possible results on protein fibers including silk, wool, cashmere, alpaca, feathers and nylon. (acherryontop.com)
  • Many acid dyes contain a sulfonic group, or, in some cases, a carboxylic group, which can form a strong 'salt linkage' to a basic group in the wool molecule. (pburch.net)
  • instead, the types of fiber reactive dyes used on cotton can be used simply as acid dyes with wool, even if the reactive groups on the dye have 'gone bad' by reacting with water. (pburch.net)
  • The alkaline conditions normally used with Procion MX dye on cotton will damage wool, though they work fine on silk. (pburch.net)
  • These may be used in dyeing wool, and the most hazardous mordant salt is potassium dichromate. (nsead.org)
  • February 9, 2017 Apply to dyeing of mordant dyes, metal complex dye and acid dyes of mercerized wool and chinlon and make dye bath pH slipping to acidity from neutral. (htfine-chem.com)
  • This kit is for dyeing silk, wool, nylon etc. (handprinted.co.uk)
  • Acid dyes are used to color silk, wool, feathers, other protein fibers and nylons, and nothing does it better! (supermart.com)
  • Acid dyes are water-soluble anionic dyes that are applied to nitrogenous fibers such as wool, silk, nylon and modified acrylic fibers from acid or neutral baths. (dynasty-chem.com)
  • Dynacidol: Broad range shades of acid dyes with good value, for piece dyeing wool and worsted goods. (dynasty-chem.com)
  • Dyneutral: 1:2 Metal complex dyes with excellent solubility, light and wash fastness on nylon and wool yarn, stock or piece form. (dynasty-chem.com)
  • Dynatin: 1:1 Metal complex dyes with good leveling, for strong acid dyeing of wool. (dynasty-chem.com)
  • The best choice for tub dyeing silk and wool fabrics, skeins of silk or wool yarn, feathers, etc. (dinashomeofcrafts.com)
  • A wide range of protein fibers, varying from silk, angora, wool to cashmere get dyed by offered products. (harishchemicals.in)
  • In contrast, basic dyes are used to stain cell nuclei and some other acidic components of tissues. (wikipedia.org)
  • Acid dyes affix to fibers by hydrogen bonding, Van der Waals forces and ionic bonding. (wikipedia.org)
  • Animal protein fibers and the synthetic fiber nylon contain many cationic sites that bind anionic dye. (wikipedia.org)
  • They are effective in dyeing the synthetic fiber nylon, but of minimum interest in dyeing any other synthetic fibers. (wikipedia.org)
  • There are many yellow and green dyes commercially applied to fibers that are related to triphenylmethane. (wikipedia.org)
  • For more information on using fiber reactive dyes under acid conditions, see Fiber Reactive Dyes for Protein Fibers . (pburch.net)
  • What kinds of chemical bonds attach dyes to fibers? (pburch.net)
  • Disperse dyes, used for synthetic fibers such as polyester, work by being vaporized by the heat of an iron or heat transfer press and then condensing onto and into the fiber. (pburch.net)
  • Such people are happier wearing natural fibers that have been dyed with fiber reactive dye. (pburch.net)
  • The attachment between acid dyes and the protein fibers that they join to are the most complex of all. (pburch.net)
  • Dharma Acid Dyes are concentrated powdered dyes for dyeing protein fibers and some Nylons (best for PFP or "prepared for printing" Nylon). (dinashomeofcrafts.com)
  • Microscopy , spectroscopy , powder X-ray diffraction , and computer modeling studies were consistent with a hierarchical self -assembly process involving the formation of cyclic H-bonded hexamers via the ISA carboxylic acid groups, which stack into elementary fibers stabilized by H-bonding of the amide linker groups and π-π stacking of the aromatic groups. (bvsalud.org)
  • In the laboratory, home, or art studio, the acid used in the dye-bath is often vinegar (acetic acid) or citric acid. (wikipedia.org)
  • Use Citric Acid to dye release henna or cassia for color. (mehandi.com)
  • FAQ: How do you use citric acid as an auxiliary chemical for dyeing? (pburch.net)
  • Citric Acid is useful in sprouting, canning, drying or freezing to retard spoilage and prevent discoloration. (pburch.net)
  • Citric acid is popular for use when dyeing with acid dyes, although it's not mentioned in most books on hand dyeing. (pburch.net)
  • Her recipe for dye paint calls for one teaspoon (5.8 grams) of citric acid crystals for each cup (or 250 ml) of dye stock solution. (pburch.net)
  • advises the use of an equal volume of citric acid in acid dyeing recipes as a substitute for concentrated 56% acetic acid. (pburch.net)
  • Since ordinary vinegar in the US contains 5% acetic acid, as compared to the 56% acetic acid in concentrated acetic acid, you should divide the volume of vinegar called for by a factor of eleven, in order to find how much citric acid to substitute for it. (pburch.net)
  • ProChem's recipe for Rainbow Dyeing using WashFast Acid Dyes indicates that six tablespoons, or 105 grams, of citric acid is equivalent to six tablespoons, or 54 grams, of ammonium sulfate, or one liter of white vinegar. (pburch.net)
  • Another recipe by ProChem indicates that 2 tablespoons (35 gm) of dry citric acid crystals equals 2 tablespoons (56 gm) of sodium bisulfate, which equals 22 tablespoons (330 ml) of white distilled vinegar. (pburch.net)
  • If you have pH paper, you can easily determine how much citric acid is needed to reach a specific pH in your dyebath, before you add the dye. (pburch.net)
  • Although citric acid is a safe ingredient in foods, it's important to note that pure citric acid powder and strong citric acid solutions are much more irritating than diluted citric acid, to the skin, eyes and respiratory tract, enough to cause harm if you are careless. (pburch.net)
  • Don't breathe citric acid dust, and don't risk getting strong solutions of citric acid in your eyes. (pburch.net)
  • Citric acid is not as safe to work with as ordinary vinegar, but it is much more safe than concentrated 56% acetic acid, and safer still than glacial (99.5%) acetic acid, which makes it more convenient to use. (pburch.net)
  • Where can you buy citric acid? (pburch.net)
  • when you're ordering dyes anyway, it's convenient to buy your citric acid from your dye supplier. (pburch.net)
  • To find citric acid locally, look for a store that sells supplies for home beer and wine making, or a specialty Indian grocer. (pburch.net)
  • Confusing citric acid with ascorbic acid (vitamin C) is a common error, because everyone knows that citrus fruits are a good source of both citric acid and vitamin C. Don't confuse them when shopping for dyeing supplies. (pburch.net)
  • Ascorbic acid is much more expensive than citric acid, and it's not as good, because it's commonly diluted with inert chemicals. (pburch.net)
  • Don't be alarmed by the name, the only acid involved is the white vinegar or citric acid that you add to the dye bath. (supermart.com)
  • In fact the "Acid" is either citric acid (the same acid produced in lemons and limes) or vinegar. (surfingducks.com)
  • You need to add heat and a mild acid for the dyes to set - citric acid or vinegar can be used as a fixer. (peakdistrictyarns.co.uk)
  • The only other thing needed is white vinegar for the fixative, or citric acid which is odorless. (dinashomeofcrafts.com)
  • Dyes intermediates are one type of petroleum downstream products that are employed in further processed for production of varied range of dyes and fine chemicals. (acid-dyes.com)
  • These intermediate chemicals form excellent and precise material for the formulation of various dyes in a cost-effective manner. (acid-dyes.com)
  • As with all powdered dyes or craft chemicals, handle with care and use good housekeeping procedures. (dinashomeofcrafts.com)
  • The company published All India Chemicals and Pharmaceuticals Directory in the year 2007 and All India Dyes and Dye Intermediates Directory in the year 2012. (needsinfo.com)
  • The company began to publish Global Inquiry Magazine since 2004, A monthly Magazine focuses on various Chemicals, Pharma and Dyes Industries. (needsinfo.com)
  • We offer a wide range of Rapid Reactive Dyes selections in various locations including Mumbai, Delhi, Ahmedabad, Ankleshwar, Vapi and many more. (tradeindia.com)
  • Alakh Industries is a predominant Dye Acid Manufacturers and Soda Ash Dealer in Ahmedabad. (ahmedabadbusinesspages.com)
  • Indian Chemical Industries is Manufacturer of Dyes and Organic Pigments in Ahmedabad offers Pigment Preparation for Textile Dyeing, Fast Salt for Textile, Textile Printing Inks, Speciality Organic Pigments for Plastic, Rubber and Allied Products, Cyanuric Chloride based Dyes, VS Based Reactive Dyes, Mass Coloration of Rayon Dope Dyeing. (ahmedabadbusinesspages.com)
  • On processing they are turn into extensively finished dyes and pigments. (acid-dyes.com)
  • Colors vary in price due to the high quality natural pigments used in each dye. (supermart.com)
  • We are the leading Reactive Dyes Exporter in India. (aciddyes.in)
  • We are the leading Manufacturer, Supplier and Exporter of Acid dyes in India. (acid-dyes.com)
  • Exporter of Reactive Dyes For Cotton, Acid Dyes For Leather & Carpet, Acid Dyes. (needsinfo.com)
  • Discover 61 products from Rapid Reactive Dyes manufacturers, suppliers, distributors, and dealers across India. (tradeindia.com)
  • Rapid Reactive Dyes product price in India ranges from 100 to 1,275 INR and minimum order requirements from 1 to 250. (tradeindia.com)
  • Due to our promoting efforts and higher concentration on the quality and colors of dyes, we are count among the popular dyes intermediates manufacturer and supplier in india . (acid-dyes.com)
  • Engaged in the industry as a prominent Supplier of Acid Dyes Black , we present the finest range of products. (bharatdyes.in)
  • Most acid dyes are related in basic structure to the following: Anthraquinone type: Many acid dyes are synthesized from chemical intermediates that form anthraquinone-like structures as their final state. (wikipedia.org)
  • In addition, the requirements for forming the chemical bonds are what determine the ingredients and method for each recipe for dyeing. (pburch.net)
  • Only soap and water should be used to remove splashes from the skin, as chemical substances such as bleach or potassium manganate (VII) might break down the dyes into hazardous substances. (nsead.org)
  • Reactive dyes are extremely reactive chemical compounds and are capable of reacting with body tissue. (nsead.org)
  • The constituent materials of these dyes, 'fast bases' (fast salts) and 'napthol', are highly reactive chemical compounds capable of causing dermatitis and other skin disorders. (nsead.org)
  • The founder and M. D. of the company Mr. Bharat Patel whose vision is and was to provide necessary information of Chemical, Pharma & Dyes Industries to the new & existing entrepreneurs. (needsinfo.com)
  • Carbolic acid poisoning occurs when someone touches or swallows this chemical. (medlineplus.gov)
  • New analogs of the commercial asymmetric monomethine cyanine dyes thiazole orange (TO) and thiazole orange homodimer (TOTO) with hydroxypropyl functionality were synthesized and their properties in the presence of different nucleic acids were studied. (mdpi.com)
  • Fluorescent dyes that stain nucleic acids have been used in the detection of blood parasites. (cdc.gov)
  • Acid dyes are generally divided into three classes according to their fastness requirements, migration ability, and dyeing pH. (wikipedia.org)
  • This includes their wet fastness, migration ability, and dyeing pH: Leveling acid dyes: These dyes have relatively low molecular weights. (wikipedia.org)
  • These dyes are highly applied in the textile industries due to their features such as excellent brilliance, colorfastness, wash fastness, non-toxicity, uniform dyeing effect, and permanence, etc. (aciddyes.in)
  • June 6, 2017 【Brief information 】Sulfur dye fixing agent is a formaldehyde-free fixing agent, mainly used in post-treatment of vulcanized dye fabrics and obviously all fabrics' fastness. (htfine-chem.com)
  • electrolyte at higher concentration is added to retard dye uptake and to form levelled shades. (wikipedia.org)
  • The uptake rate of the dye is controlled with the use of sodium chloride. (wikipedia.org)
  • Cotton fabric inkjet printing with acid dyes is investigated using quaternary ammonium (choline chloride (cc)) and two crosslinking agents (DMDHEU and BTCA) to examine dye uptake. (ncsu.edu)
  • Adding CC to the crosslinkers improves acid dye uptake only slightly more than using the crosslinking agent alone. (ncsu.edu)
  • These new nanomaterials exhibited potential for the phase-selective gelation of oil from oil- water mixtures and dye uptake from contaminated water . (bvsalud.org)
  • 1993), as well uptake and translocation of long-chain fatty acids as NMR solution structures (Hodsdon et al. (lu.se)
  • We manufactures dyes intermediates from quality materials. (acid-dyes.com)
  • Fiber reactive dyes, such as the dichlorotriazines (Procion MX type dyes), are attached to the fiber by the same strong covalent bonds that hold the atoms within the dye molecule together. (pburch.net)
  • the use of wax in batik requires that dye reactions not involve heat, so both naphthol dyes and cool water fiber reactive dyes are suitable for this purpose. (pburch.net)
  • Naphtol dyes are less expensive than many fiber reactive dyes, and peculiarly suited to painting different colors immediately adjacent to one another on fabric. (pburch.net)
  • We as the leading Reactive Dyes Manufacturer make them with the aid of supreme grade raw materials at our hi-tech production department and they are quality tested rigidly at our quality control department thus the product at the user-end is very consistent and offers high performance. (aciddyes.in)
  • These are also known as fibre-reactive or cold water dyes. (nsead.org)
  • The respiratory tract is particularly sensitive to reactive dyes and allergic responses may occur. (nsead.org)
  • Whether you're looking for Multi Color Reactive Dyes, Reactive 'He' Dyes, KeviActive Green 6B Dyes etc, you can explore and find the best products from Tradeindia. (tradeindia.com)
  • Acid generates cation on fibre and temperature helps to substitute negative part of acid with anionic dye molecules. (wikipedia.org)
  • The most permanent, wash-fast dyes are the most tightly attached to the fiber molecules. (pburch.net)
  • The main function of crosslinkers is not only to chemically link the dye to cellulose, but also to form a crosslinked network to block the entrance of the fiber pores where dye molecules have previously penetrated. (ncsu.edu)
  • NOESY, nuclear Overhauser fatty acid, only eight water molecules are effect spectroscopy. (lu.se)
  • Crewneck t-shirt made of garment-dyed cotton jersey with acid wash treatment. (franklinandmarshall.com)
  • Cotton fabric inkjet printing with acid dyes. (ncsu.edu)
  • With the aid of crosslinkers, acid inks can be used satisfactorily on cotton. (ncsu.edu)
  • The structure predominates in the leveling class of acid dye. (wikipedia.org)
  • They require an acidic dye bath, often using sulfuric acid and sodium sulfate mixtures (pH2-4), together with leveling agents such as ethoxylated fatty amines. (wikipedia.org)
  • Leveling Agent for Acid Dyes 2015K - 翻译中. (htfine-chem.com)
  • Acid Leveling Agent HTW - 翻译中. (htfine-chem.com)
  • This is a general one-bath procedure, for cross or union-dyeing, using Orcocilacron™ Disperse and Orco™ acid dyes on Polyester/Nylon blends. (organicdye.com)
  • The dye actually becomes one molecule with the fiber molecule to which it attaches. (pburch.net)
  • Vat dyes, such as indigo, are trapped within the fiber by having been converted to a form that is insoluble in water. (pburch.net)
  • The vat dye is insinuated into the fiber while in a water-soluble form. (pburch.net)
  • Ring dyeing is what happens when the dyer fails to make sure that the dye thoroughly penetrates the fiber shaft, but leaves only the surface of each fiber coated, so that even a little bit of wearing removes the dyed layer. (pburch.net)
  • Like Vat dyes, Naphthol dyes are held in the fiber in a water insoluble form. (pburch.net)
  • Dyes May be used for direct painting or printing applications in addition to yarn, fiber and fabric dyeing. (supermart.com)
  • Since it comes in powder form, it is more economical to ship than acetic acid (the acid that's found in vinegar), and it's much safer to work with (or to spill) than concentrated acetic acid. (pburch.net)
  • It is not volatile like acetic acid, so it won't fill your house with vinegar fumes when heated. (pburch.net)
  • The only acid involved is the vinegar you add. (acherryontop.com)
  • An additional source azo dyes that are used in commercial aromatic amines, in tobacco smoke. (who.int)
  • Structures of IARC Group 1 aromatic amines, drugs that are urothelial cancer in humans ( IARC, metabolized to Group 1 aromatic amines, and aristolochic acids. (who.int)
  • They recommend more acid for using Procion Mx dyes as acid dyes than they do for the other acid dyes they sell. (pburch.net)
  • An acid dye is a dye that is typically applied to a textile at low pH. (wikipedia.org)
  • Impact of Textile Dyes on Public Health and the Environment, edited by Khursheed Ahmad Wani, et al. (igi-global.com)
  • Impact of Textile Dyes on Public Health and the Environment (pp. 205-238). (igi-global.com)
  • In Impact of Textile Dyes on Public Health and the Environment, edited by Khursheed Ahmad Wani, Nirmala Kumari Jangid, and Ajmal Rashid Bhat, 205-238. (igi-global.com)
  • Advanced oxidation processes (AOPs), namely the Fenton oxidation, ozonation, electrochemical oxidation, and photocatalysis, are potential alternative techniques for dye removal from textile effluents. (igi-global.com)
  • Our standard dyeing techniques harness the power of ice to deposit dye in the fabric. (saltedoceandyes.com)
  • In addition to garment dyeing you can also paint or print with these dyes. (acherryontop.com)
  • Normally this is a sign of bad dye procedure, but the fading of blue jeans due to abrasion is generally appreciated, as it implies greater age for a garment than is actually the case. (pburch.net)
  • Hot wash at 170-180°F(77-82°C) to remove dye carrier. (organicdye.com)
  • Vat dyes are very wash-fast, but have the opposite reputation due to ring-dyeing. (pburch.net)
  • Wash items dyed with acid dye in cold water. (dinashomeofcrafts.com)
  • According to the Brønsted-Lowry acid-base theory, an acid is a molecule or ion capable of donating a proton, and this is determined by the acid dissociation constant. (wikipedia.org)
  • a single fatty acid molecule with high af®nity in Cistola et al. (lu.se)
  • Extremely brilliant and colorfast they produce a uniform dye job and the colors are beautiful, pure, transparent and luscious. (acherryontop.com)
  • Extremely brilliant and colorfast, Jacquard Acid Dyes are highly concentrated, powdered hot water dyes that produce level, uniform color during immersion dyeing. (supermart.com)
  • Characteristics : The dye have very good solubility in even hard water hence gives uniform dyeing with good fixation on leather. (bharatdyes.in)
  • Triarylmethane dye: These predominate in the milling class of dye. (wikipedia.org)
  • The fact that the dye can rub off on the wearer makes this class of dye more allergenic than other types of dye, though this is a problem for only a minority of people. (pburch.net)
  • In order to prevent health hazards, a dye must be approved for consumption before it can be marked as edible. (wikipedia.org)
  • Suppliers of Caustic Soda Lye, Caustic Soda Flakes, Soda Ash Light, Soda Acid Dyes. (needsinfo.com)
  • Our Company, RED SUN DYE CHEM is an ISO 9001- 2008 certified Company. (aciddyes.in)
  • Cy7 is a bright, near-IR fluorescent dye. (mobitec.com)
  • The choice of the best fluorescent dye and quencher often suffers cost constraints, since proprietary dyes, which can fulfill the scientific requirements, usually are expensive. (bachem.com)
  • Bachem extended its product portfolio by peptides labeled with Tide Fluor™ dyes and, optional, Tide Quencher™ from our newest partner, AAT Bioquest, Inc. These combine the cost advantages of classic fluorescent tags with the performance of proprietary dyes, or even outperform the latter in the relevant characteristics. (bachem.com)
  • Acid dyes are known to produce the most luscious colors of all, and Jacquard's palette is unsurpassed for quality, intensity and consistency. (supermart.com)
  • Acid Dyes react fast, exhaust well, and results for most colors are very lightfast and washfast. (dinashomeofcrafts.com)
  • Keep in mind that an * by the name of a dye color (blacks and navy) indicates to use that color at 4% of weight of goods rather than 1.5 - 2% for the rest of the colors. (dinashomeofcrafts.com)
  • Our organization is involved in supplying an eclectic array of products out of which is Red Acid Dyes. (bharatdyes.in)
  • Other products may also contain carbolic acid. (medlineplus.gov)
  • Some acid dyes are used as food colorants, and some can also be used to stain organelles in the medical field. (wikipedia.org)
  • Regarding cellular structures, acid dyes will stain acidophilic structures that have a net positive charge due to the fact that they have a negatively charged chromophore. (wikipedia.org)
  • Examples of acid dyes used in medicine include: Lee's stain (stains reddish-pink). (wikipedia.org)
  • Phosphotungstic Acid Hematoxylin (PTAH) stain (stains blue). (wikipedia.org)
  • In this context, if an acid is used instead of water, then the hydrogen ion (H+) is more easily able to dissociate in order to react with the aniline dye anion, allowing the dye to dissolve. (wikipedia.org)
  • Dynaset PA, Acid dyes for polyamide deep shade, especially for ultra-fine polyamide. (dynasty-chem.com)
  • Proteins are made of up to twenty different amino acids, each of which has a different side chain. (pburch.net)
  • You can explore our broad selection of catalog dye labeled peptides and amino acids by shifting the pointer of our color range selector to the wavelength range of interest. (bachem.com)
  • Furthermore, Tide Fluor™ dyes are available with improved water solubility (TFWS). (bachem.com)
  • Like Tide Fluor™ dyes, Tide Quencher™ labels are available with improved water solubility (TQWS). (bachem.com)
  • Amla Powder can make henna and indigo paste dye your hair a cooler brunette. (mehandi.com)
  • Fixing Powder for Acid Dyes NRS - 翻译中. (htfine-chem.com)
  • This work introduces a linearly aligned push-pull design principle that reaches from the ligand having nitrogen-based electron donors, over the Fe(ii) centre, to the ligand having an electron withdrawing carboxylic acid anchor group. (lu.se)
  • Acid dyes are anionic, soluble in water and are essentially applied from acidic bath. (wikipedia.org)
  • C.I. Acid Black 1 C.I. Acid Yellow 36 C.I. Acid Blue 117 C.I. Acid Orange 19 C.I. Acid Blue 25 C.I. Acid Orange 3 Acidic dyes can be classified according to their dyeing behavior. (wikipedia.org)
  • Henna needs a mildly acidic mixture to release the dye from the powdered leaf. (mehandi.com)
  • Acid dye classes that are applicable for this procedure are Orco Milling™ , Orco Nylosol™ , and Orcolan Neutral™ . (organicdye.com)
  • A disadvantage of cc is that the loose dye stains onto white unprinted areas during laundering. (ncsu.edu)