Cardanol Biodegradable Anionic Surfactants for Leveling Acrylic dyeing
HONINGLITE™ CES Surfactants are a new generation of high-performance, readily biodegradable specialty Anionic surfactants based on Cashew Nutshell Liquid,a natural and renewable resource .
HONINGLITE™ CES Surfactants are a line of specialty surfactants designed to help formulators meet rising expectations for performance and convenience in the marketplace while complying with rapidly increasing, more stringent environmental and safety regulations.
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the package is 200kgs steel drum
HONINGLITE™ CES types have a shelf life of at least two years in their original packaging, provided they are stored properly and drums are kept tightly sealed.
Leveling for acrylic dyeing :
For acrylic dyeing, basic dyes, also called as cationic dyes are used by exhaustion techniques. Basic dyes being cationic in nature, it is advisable to use a leveling agent that will compete with it. i.e it must be a cationic retarder rather than a leveling agent. This is because, in addition to having an effect on the rate of dyeing, cationic retarders also assist migration to an extent that depends on the fiber and the substantivity of the dyes. They tend to have higher diffusion rates than dyes and to be adsorbed at lower temperatures (65-70°C)
Acrylic fibres vary significantly in the number of anionic sites available for sorption of cations, but level dyeing accrues when the number of cations in the system (retarder as well as dyes) is just enough to saturate the anionic sites in the fibre. This means more retarder will be needed for fibres of high saturation value and for paler shades.
HONINGLITE™ CES due to its substantivity for acrylic fibres is most suitable for dyeing of all types of acrylic fibres by any of the normal methods. While HONINGLITE™ CES retards the build up of cationic dyestuffs it does not block the fibre to any appreciable extent, so the bath is well exhausted during the boiling process.