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Paints and varnishes

The paints consist of a colouring substance (pigment) and a number of additives, such as binders, thinners, dispersing agents, preservatives and many others.

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Rodys CP Rodys CP is the powder equivalent of Rodys C. It comes in the form of light brown powder with low moisture content, which makes it a financially advantageous solution...

Naphthalene derivatives

Rodys OP Rodys OP is the sodium salt of polycondensates of naphthalene sulfonic acid with formaldehyde, offered in the form of a dark-brown powder. The technology of Rodys...

Naphthalene derivatives

ROKAdis 900 (Phosphoric ester) ROKAdis 900 is an effective wetting and dispersing agent used in paint production and in the construction industry. It is produced as a colourless or light yellow...

Phosphate esters

ROKAdis 905 ROKAdis 905 is an effective dispersing and wetting agent used in paint production and in the construction industry. It is produced in the form of a clear or turbid...

ROKAdis 600 (Phosphoric ester) ROKAdis 600 is an anionic surfactant from the group of phosphoric esters. The commercial product is a clear to slightly cloudy liquid with an active substance content...

Phosphate esters

ROKAdis 900A/25 (Phosphoric ester) ROKAdis 900A/25 is an anionic surfactant from the group of phosphoric esters. The commercial product is a clear liquid with a colour in the Hazen scale of up to...

Phosphate esters

ROKAfenol N8LA (Nonylphenol alkoxylated) ROKAfenol N8LA is a non-ionic surfactant which belongs to ethoxylated and propoxylated nonylphenols. It is a clear or opalescent oily liquid with a colour of max....

Alkoxylated nonylphenols

ROKAmer®1010 (EO/PO block copolymer) ROKAmer 1010 belongs to the group of non-ionic block copolymers of ethylene oxide and propylene oxide (ROKAmer series). The product concentration is about 100%....

EO/PO block copolymers

ROKAmer®1010/50 (EO/PO block copolymer) ROKAmer 1010/50 belongs to the group of non-ionic block copolymers of ethylene oxide and propylene oxide (ROKAmers). The product has a content of about 50% of the...

EO/PO block copolymers

ROKAnol® T18 (Ceteareth-18) ROKAnol® T18 belongs to non-ionic surfactants from the group of ethoxylated fatty alcohols, INCI name: Ceteareth-18. The product is based on high molecular alcohol...

Alkoxylated alcohols

ROKAnol®G12 (GLYCERETH-12) ROKAnol G12 belongs to non-ionic surfactants from the group of ethoxylated glycerins with an average degree of ethoxylation of about 12 moles. The product is a clear,...

Alkoxylated alcohols, Ethoxylated polyhydric alcohols

Rokrysol PZW Rokrysol PZW is an excellent dispersant of inorganic pigments in the paint and varnish industry. The commercial product is a 30% sodium salt solution of polyacrylic...

Acrylic acid derivatives

Sulfobursztynian DOSS (Sulfosuccinate) DOSS SULFOSUCCINATE is an anionic surfactant with active substance content of 60% diluted in 2-ethylhexanol used as a solvent. It is a surfactant with a limited...

Sulfosuccinates

Sulfobursztynian DOSS50BGE (Sulfosuccinate) SULFOBURSZTYNIAN DOSS50BGE is an anionic surfactant in the form of 50% butylglykol/ethanol solvent system. The product can be used as a wetting agent for colour...

Sulfosuccinates

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DISPERSANTS

Dispersants are substances that break down larger particles and prevent their further reaggregation.

The dispersion system consists of two immiscible phases – one of which is a continuous phase and the other is a dispersed phase. Additional mechanical energy is required to disperse the substance, which will cause the dispersant to mix with the phases that make up the system.

Dispersants are substances that break down larger particles and prevent their further reaggregation. The dispersion system consists of two immiscible phases – one of which is a continuous phase and the other is a dispersed phase. Additional mechanical energy is required to disperse the substance, which will cause the dispersant to mix with the phases that make up the system.The most common dispersants are surfactants or their mixtures of different HLB values. They adsorb on the surface of the particles of the phase to be dispersed. Surfactant molecules surrounding the droplets protect them from reaggregation due to electrostatic repulsion.Dispersants are used in many applications, such as automotive industry as additives to engine oils or in the construction industry as additives to concrete. They can also be used in household and cosmetic chemical preparations. In the textile and clothing industry they are used as additives to pigments. They are also used in the processing of crude oil.

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