Dispersing Agents

Tamol® N types (sulphonic acid derivatives)

With the Tamol® product range (Tamol® NN types and Tamol® NH types) and the Sokalan® product range of BASF, BTC offers products for stabilisation and dispersion of aqueous dispersions and emulsions as well as scale inhibitors and inhibitors for dye transfer.
The Tamol® N types are sodium salts of naphthalenesulphonic acid condensation products. They differ in terms of their degree of condensation, degree of neutralisation and their salt content. The Tamol® NN types have a low degree of condensation, and they are mainly employed as dispersing agents and stabilisers in the leather, textile, paint and paper sectors. Tamol® NH types are special products with a high degree of condensation that can be used for stabilisation of emulsions and dispersions as well as for the construction industry.

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Sokalan® CP types (acrylic acid copolymers)
BTC’s dispersing agents are used to prevent soil redesposition on fabrics and scale formation in the washing machines.
The Sokalan® CP types are water-soluble copolymers of acrylic acid and maleic acid. High-performance laundry detergents can be formulated with combinations of Sokalan® CP types, soda and Zeolite A. The products supplied in granular form can be used to increase the bulk density of detergent formulations, and they can also enhance the friability of detergents in tablet form. Compact and ultra-compact detergent formulations are on the market due to the development of the Sokalan® CP types. The Sokalan® CP types prevent fabrics from stiffness as a result of incrustation. They prevent soil redesposition on fabrics and scale formation in the washing machines.

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Sokalan® HP types (water-soluble homo- and copolymers of vinylpyrrolidone, vinylimidazole and nonionic monomers)
The Sokalan® HP range is particularly effective in preventing reactive and direct dyes from being transferred on clean fabrics by forming polymer/dye associates in the wash liquor.

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Sokalan® PA types (water-soluble homopolymers of acrylic acid)

The Sokalan® PA types are very effective dispersing agents. The Sokalan® PA types have been found to perform very well in phosphate-free laundry detergents. Their pronounced dispersing effect prevents deposits from being formed on fabrics and also boosts detergency. The Sokalan® PA types can also be used in dishwater detergents, technical cleaners and in water treatment applications by working as scale inhibitor and dispersing agent for sparingly soluble salts. Sokalan® PA types can be used to treat the full range of scaling problems encountered in the sugar industry.

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The dispersing agent Sokalan® PM 15 I enables the smooth production of drinking water from the distillation of sea water. Outstanding scale inhibition and dispersing properties are achieved at low dosage rates. The product can be used in medium and high temperature environments and ensures long operating plant lifetimes combined with lower production costs.

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The Sokalan®  CP, PA and PM types are successfully employed for scale inhibition and dispersion in membrane processes for sea water desalination. The products are also suitable for industrial process water treatment. BTC supplies a broad portfolio of low molecular weight polymers for the inhibition of potassium carbonate and other mineral scales as well as product with a higher molecular weight for the dispersion of impurities.

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