of specialty chemicals

Dyspergator RP

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PCC Rokita SA / Phosphorus Chemistry Business Unit
Chemical name
Naphthalenesulfonic acid, polymer with formaldehyde, sodium salt (powder)
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Leaflet Inventory status General terms of sale

Dyspergator RP is the powder form of Dyspergator R, i.e. the sodium salt of polycondensate of naphthalene acids with formaldehyde (NSF). The undeniable advantages of this product are the low concentrations of free formaldehyde and free naphthalene. As a result, it does not have an environmental classification and does not contribute to increasing the concentration of polycyclic aromatic hydrocarbons in the products for which it is used. It is also distinguished by low content of calcium and iron ions.

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Properties and applications
  • allows to obtain latex dispersions stable during polymerization;
  • allows to obtain a very low concentration of latex particle coagulates both during polymerization and degasification;
  • leads to savings of both costs and cleaning time of the polymerization installation;
  • does not adversely affect the physicochemical and mechanical properties of the produced rubber;
  • does not slow down the polymerization reaction rate;
  • is characterized by low concentration of free formaldehyde and naphthalene;
  • very low moisture content and low bulk density reduce transport and storage costs;
  • intended mainly as an auxiliary in the production of styrene-butadiene rubbers by emulsion polymerization;

Markets and applications
Plastics / Emulsion polymerization, Polymer additives
Transportation / Other applications


Naphthalene derivatives

Specialty Products / Specialty additives

Alternative names
Naphthalenesulfonic acid, polymer with formaldehyde, sodium salt (powder), NSF, SNF, PNS, Sodium salt of polymerized naphthalene sulfonate formaldehyde condensate, Sodium polynaphthalene sulphonate, Sodium poly[(naphthaleneformaldehyde)sulfonate], Naphthalene Sulfonate Formaldehyde, Sodium Naphthalene Sulfonic Acid Formaldehyd
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