Dylon International is a British brand of textile dyes and other household chemicals. It was founded in 1946 by the Mayborn Group. The Mayborn Group sold Dylon International to European homecare company Spotless Group in 2008. Spotless Group was acquired by Henkel in 2014 which is the current owner of Dylon.
7-849: Dylon products are made in the Republic of Ireland. Dylon's former London factory has been redeveloped as the Dylon Works. Dye brands include Cold Water Dye, Machine Fabric Dye and Multipurpose Dye. This a range of textile dyes which are used at high temperatures. They are reactive azo dyes and dichlorotriazine is the main group present. They require hot fix ( sodium carbonate ) and common salt ( sodium chloride ). It comes in 2 colours. Dylon's machine fabric dye and hand dye both contain reactive azo dyes , triphenylmethane dyes, sodium carbonate and sodium chloride. The reactive groups are either pyrimidine or vinylsulphone . Machine Fabric Dye comes in 32 colours, Hand Dye in 21 colours. This range contains
14-411: A reactive dye , a chromophore (an atom or group whose presence is responsible for the colour of a compound) contains a substituent that reacts with the substrate. Reactive dyes have good fastness properties owing to the covalent bonding that occurs during dyeing. Reactive dyeing is the most important method for coloring cellulose fibers . Reactive dyes can also be applied on wool and nylon ; in
21-491: A mixture of 3 different dyes - direct , acid and disperse . Direct dyes are for cellulose based fabrics, acid dyes for wool and nylon and disperse for some plastics. None of these are reactive dyes and are less wash fast than the other ranges. It comes in 26 colours. This article about a manufacturing company in the United Kingdom is a stub . You can help Misplaced Pages by expanding it . Reactive dye In
28-415: The cellulose fibre by displacement of one of the two chloride groups: The fixation process is conducted in a buffered alkaline dye bath. An alternative fixation process that is more dominant commercially is the vinylsulfonyl group. Like the chlorotriazines, this functional group adds to the hydroxyl groups of cellulose. The most popular version of this technology is Remazol. The dye is first attached to
35-455: The ethylsulfonyl group. Reactive dyes are categorized by functional group. Dyestuffs with only one functional group sometimes have a low degree of fixation. To overcome this deficiency, dyestuffs containing two (or more) different reactive groups were developed. These dyestuffs containing two groups are also known as bifunctional dyestuffs although some still refer to the original combination. Some contain two monochlorotriazines, others have
42-431: The latter case they are applied under weakly acidic conditions. Reactive dyes have a low utilization degree compared to other types of dyestuff, since the functional group also bonds to water, creating hydrolysis . Reactive dyes had been tested in the late 1800s involving both adding functionalized dyes to the substrate and then activating the substrate first followed by fixation of the dye. The first commercial success
49-408: Was described in the early 1950s. Rattee and Stephens at Imperial Chemical Industries (ICI) popularized the chlorotriazines as linkers between the substrate and the chromophore. Trichlorotriazine remain a popular platform for reactive dyes. The chromophore, with an amine functional group , is attached to the triazine, displacing one chloride: The resulting dichlorotriazine can then be affixed to
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