deflocculant


Also found in: Dictionary, Wikipedia.

deflocculant

[dē′fläk·yə·lənt]
(chemistry)
An agent that causes deflocculation; examples are sodium carbonate and other basic materials used to deflocculate clay slips.
References in periodicals archive ?
Excellent deflocculant in Low Solids Non-Dispersed Muds or Inhibitive Lime Muds, improves fluid loss control by improving clay platelet orientation.
Additionally, it is used in foundries, refractories, and welding industries, and as a deflocculant in the ceramic industry.
However, if the molecules are of low molecular weight (<1000 Da) and unable to attach to several clay particles, or once these bonds are broken, disaggregation may occur and the organic matter would act as a deflocculant (Shanmuganathan and Oades 1983).
In recent years, the new generation of plasti-cizer admixtures--dispersants- deflocculant (polycar-boxylate esters PCE) are widely used to regulate the rheological properties of paste.
Next, flow behavior of aqueous suspensions containing different percentages of black carbon studied by the addition of three kinds of deflocculant with different percentages at two conditions of constant and variable pH.
The reference also includes a manufactures directory with available contact information; a function/application index allowing the user to locate chemicals based on functions such as accelerator, antistat, catalyst, deflocculant, or plasticizer as well as application key words such as adhesives, coatings, inks, paper, water treatment, and the like; CAS and EINECS/ELINCS number indexes; a chemical formula index; a glossary; and a bibliography.
The water contained poly(ammonium methacrylate), an electrosteric deflocculant that prevented the powder from aggregation.
Casting slips are a world unto themselves and are much more sensitive to the exact ratios of water, clay, filler, flux and deflocculant.
Further, it is used as a deflocculant with the addition of sodium silicate in the preparation of slip casting.
Excellent deflocculant in Low Solids Non-Dispersed Muds or Inhibitive Lime Muds; improves fluid loss control by improving clay platelet orientation.
Sometimes this would resolve itself after a day's standing and also I had often to adjust the deflocculants significantly and allow them to re-adjust with time.