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Dispersants

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

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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...
Composition
Mixtures
ROKAdis 905
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...
Composition
Phosphate esters
CAS No.
73038-25-2
ROKAdis 600  (Phosphoric ester)
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...
Composition
Phosphate esters
CAS No.
69029-43-2
ROKAdis 900A/25  (Phosphoric ester)
ROKAfenol N10 (Nonylphenol ethoxylated) ROKAfenol N10 is a non-ionic surfactant which belongs to the group of ethoxylated nonylphenols (INCI name: Nonoxynol-10). It is used as a detergent, washing and...
Composition
Alkoxylated nonylphenols
CAS No.
127087-87-0
ROKAfenol N10  (Nonylphenol ethoxylated)
ROKAfenol N12 (Nonylphenol ethoxylated) ROKAfenol N12 is a non-ionic surfactant which belongs to the group of ethoxylated nonylphenols (INCI name: Nonoxynol-12). It is used as an ingredient in washing...
Composition
Alkoxylated nonylphenols
CAS No.
127087-87-0
ROKAfenol N12  (Nonylphenol ethoxylated)
ROKAfenol N14 (Nonylphenol ethoxylated) ROKAfenol N14 is a non-ionic surfactant which belongs to the group of ethoxylated nonylphenols (INCI name: Nonoxynol-14). It is used as an ingredient of washing...
Composition
Alkoxylated nonylphenols
CAS No.
127087-87-0
ROKAfenol N14  (Nonylphenol ethoxylated)
ROKAfenol N22 (Nonylphenol ethoxylated) ROKAfenol N22 is a non-ionic surfactant belonging to the group of ethoxylated nonylphenols (INCI name: Nonoxynol-22). It is used as a component of washing and cleaning...
Composition
Alkoxylated nonylphenols
CAS No.
127087-87-0
ROKAfenol N22  (Nonylphenol ethoxylated)
ROKAfenol N22/30 (Nonylphenol ethoxylated) ROKAfenol N22/30 is a non-ionic surfactant which belongs to the group of ethoxylated nonylphenols (INCI name: Nonoxynol-22). It is used as a component of washing...
Composition
Alkoxylated nonylphenols
CAS No.
127087-87-0
ROKAfenol N22/30   (Nonylphenol ethoxylated)
ROKAfenol N3 (Nonylphenol ethoxylated) ROKAfenol N3 is a non-ionic surfactant belonging to the ethoxylated nonylphenols (INCI name: Nonoxynol-3). It is an oily liquid with a colour of up to 70 HU and...
Composition
Alkoxylated nonylphenols
CAS No.
127087-87-0
ROKAfenol N3  (Nonylphenol ethoxylated)
ROKAfenol N4 (Nonylphenol ethoxylated) ROKAfenol N4 is a non-ionic surfactant that belongs to ethoxylated nonylphenols, INCI name: Nonoxynol-4. It is an coloured oily liquid(70 max., Pt/Co scale) Its...
Composition
Alkoxylated nonylphenols
CAS No.
127087-87-0
ROKAfenol N4  (Nonylphenol ethoxylated)
ROKAfenol N40 (Nonylphenol ethoxylated) ROKAfenol N40 is a non-ionic surfactant belonging to the group of ethoxylated nonylphenols (INCI name: Nonoxynol-40). It is a white to light straw-coloured wax which...
Composition
Alkoxylated nonylphenols
CAS No.
127087-87-0
ROKAfenol N40   (Nonylphenol ethoxylated)
ROKAfenol N40/70 (Nonylphenol ethoxylated) ROKAfenol N40/70 is a non-ionic surfactant belonging to the group of ethoxylated nonylphenols. INCI Name: Nonoxynol-40. It is a liquid with a colour of up to 100...
Composition
Alkoxylated nonylphenols
CAS No.
127087-87-0
ROKAfenol N40/70   (Nonylphenol ethoxylated)
ROKAfenol N5 (Nonylphenol ethoxylated) ROKAfenol N5 is a non-ionic surfactant from the group of ethoxylated nonylphenols (INCI name: Nonoxynol-5). It is an oily liquid with a colour of up to 70 HU. The...
Composition
Alkoxylated nonylphenols
CAS No.
127087-87-0
ROKAfenol N5  (Nonylphenol ethoxylated)
ROKAfenol N6 (Nonylphenol ethoxylated) ROKAfenol N6 is a non-ionic surfactant belonging to the group of ethoxylated nonylphenols (INCI name: Nonoxynol-6). It is an oily liquid with a colour of up to 70...
Composition
Alkoxylated nonylphenols
CAS No.
127087-87-0
ROKAfenol N6  (Nonylphenol ethoxylated)
ROKAfenol N6P4 (Ethoxylated, propoxylated nonylphenol) ROKAfenol N6P4 belongs to the group of non-ionic surfactants. It is an nonylphenyl ether copolymer of ethylene oxide and propylene oxide. The commercial product...
Composition
Alkoxylated nonylphenols
CAS No.
37251-69-7
ROKAfenol N6P4  (Ethoxylated, propoxylated nonylphenol)
ROKAfenol N6P6 (Ethoxylated, propoxylated nonylphenol) ROKAfenol N6P6 is a non-ionic surfactant belonging to the group of alkoxylated nonylphenols. It is in the form of an oily liquid which solidifies at a temperature...
Composition
Alkoxylated nonylphenols
CAS No.
37251-69-7
ROKAfenol N6P6  (Ethoxylated, propoxylated nonylphenol)
ROKAfenol N7 (Nonylphenol ethoxylated) ROKAfenol N7 is a non-ionic surfactant belonging to the group of ethoxylated nonylphenols (INCI name: Nonoxynol-7). It is an oily liquid with a maximum colour of...
Composition
Alkoxylated nonylphenols
CAS No.
127087-87-0
ROKAfenol N7   (Nonylphenol ethoxylated)
ROKAfenol N8 (Nonylphenol ethoxylated) ROKAfenol N8 is a non-ionic surfactant from the group of ethoxylated nonylphenols (INCI name: Nonoxynol-8). It is in the form of a clear or opalescent oily liquid...
Composition
Alkoxylated nonylphenols
CAS No.
127087-87-0
ROKAfenol N8  (Nonylphenol ethoxylated)
ROKAfenol N8P14 (Nonylphenol ether of the EO/PO copolymer) ROKAfenol N8P14 is a non-ionic surfactant belonging to the group of alkoxylated nonylphenols. It has a form of opalescent, cloudy or clear, oily liquid of straw...
Composition
Alkoxylated nonylphenols
CAS No.
37251-69-7
ROKAfenol N8P14   (Nonylphenol ether of the EO/PO copolymer)
ROKAfenol N8P7 (Nonylphenol ether of the EO/PO copolymer) ROKAfenol N8P7 is a non-ionic surfactant (alkoxylated nonylphenols). It is an opalescent, turbid or clear oily liquid with a straw or light yellow colour. The commercial...
Composition
Alkoxylated nonylphenols
CAS No.
37251-69-7
ROKAfenol N8P7  (Nonylphenol ether of the EO/PO copolymer)
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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.