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Deflocculant

 

 
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Deflocculant
 
 
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A deflocculant is an agent for thinning suspensions or slurries. It is used to reduce viscosity
Viscosity

Viscosity is a measure of the Drag of a fluid which is being deformed by either shear stress or extensional stress. In everyday terms , viscosity is "thickness"....
 or prevent flocculation
Flocculation

Flocculation is a process where a solute comes out of solution in the form of floc or flakes. The action differs from Precipitation in that the solute coming out of solution does so at a concentration generally below its solubility limit in the liquid....
 and is sometimes incorrectly called a "dispersant." Most deflocculants are low-molecular weight anionic
Anionic

In chemistry, an anionic species is one that contains a full electric charge. These types of chemical compound can range in reactivity, but most are fairly reactive.Anionic is a chemical that is also used in things like washing detergent.......
 polymers that neutralize positive charges on suspended particles, particularly clay
Clay

Clay is a naturally occurring material composed primarily of fine-grained minerals, which show plasticity through a variable range of water content, and which can be hardened when dried and/or fired....
s and aryl-alkyl derivative of sulfonic acid. Examples include polyphosphate
Polyphosphate

Polyphosphates are anionic phosphate polymers linked between hydroxyl groups and hydrogen atoms. The polymerization that takes place is known as a condensation reaction....
s, lignosulfonates
Lignosulfonates

Lignosulfonates, or sulfonated lignin, are water-soluble anionic polyelectrolyte polymers: they are byproducts from the production of wood pulp using sulfite process....
, quebracho
Quebracho

Quebracho is one of the common names, in Spanish language, of at least three similar species of trees that grow in the Gran Chaco region of South America:...
 and various water-soluble synthetic polymers.

Antonym: flocculant
Flocculation

Flocculation is a process where a solute comes out of solution in the form of floc or flakes. The action differs from Precipitation in that the solute coming out of solution does so at a concentration generally below its solubility limit in the liquid....









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A deflocculant is an agent for thinning suspensions or slurries. It is used to reduce viscosity
Viscosity

Viscosity is a measure of the Drag of a fluid which is being deformed by either shear stress or extensional stress. In everyday terms , viscosity is "thickness"....
 or prevent flocculation
Flocculation

Flocculation is a process where a solute comes out of solution in the form of floc or flakes. The action differs from Precipitation in that the solute coming out of solution does so at a concentration generally below its solubility limit in the liquid....
 and is sometimes incorrectly called a "dispersant." Most deflocculants are low-molecular weight anionic
Anionic

In chemistry, an anionic species is one that contains a full electric charge. These types of chemical compound can range in reactivity, but most are fairly reactive.Anionic is a chemical that is also used in things like washing detergent.......
 polymers that neutralize positive charges on suspended particles, particularly clay
Clay

Clay is a naturally occurring material composed primarily of fine-grained minerals, which show plasticity through a variable range of water content, and which can be hardened when dried and/or fired....
s and aryl-alkyl derivative of sulfonic acid. Examples include polyphosphate
Polyphosphate

Polyphosphates are anionic phosphate polymers linked between hydroxyl groups and hydrogen atoms. The polymerization that takes place is known as a condensation reaction....
s, lignosulfonates
Lignosulfonates

Lignosulfonates, or sulfonated lignin, are water-soluble anionic polyelectrolyte polymers: they are byproducts from the production of wood pulp using sulfite process....
, quebracho
Quebracho

Quebracho is one of the common names, in Spanish language, of at least three similar species of trees that grow in the Gran Chaco region of South America:...
 and various water-soluble synthetic polymers.

Antonym: flocculant
Flocculation

Flocculation is a process where a solute comes out of solution in the form of floc or flakes. The action differs from Precipitation in that the solute coming out of solution does so at a concentration generally below its solubility limit in the liquid....


See also

  • Dispersant
    Dispersant

    A dispersant or a dispersing agent or a plasticizer is either a non-surface active polymer or a surfactant added to a Suspension , usually a colloid, to improve the separation of wiktionary:Particles and to prevent settling or clumping....