calcium carbonate compound dispersant

calcium carbonate compound dispersant

US4175066A - Dispersant for calcium carbonate - Google PatentsCalcium carbonate is dispersed by a dispersant comprising a salt of an acrylic acid/maleic acid copolymer. . B01F17/0028 Macromolecular compounds .. We discovered that a salt of an acrylic acid/maleic acid copolymer is effective as a dispersant for calcium carbonate and it is unexpectedly more effective than the prior.US4509987A - Calcium carbonate dispersions - Google PatentsConcentrated (e.g. above 72% by weight) dispersions of calcium carbonate ground to a particle size such that at least 87% by weight of the particles are less than 2 μm in size have a tendency to gel on standing. In the invention this tendency is minimized or eliminated by using, as dispersing agent, a copolymer of from 5 to.

Dispersing agents - Functionality & Performance - Solutions .Another mineral often supplied in slurry form is calcium carbonate, which must normally be ground to a particular particle size in a process greatly assisted by the use of a dispersing agent. Calcium carbonate is widely used in the paint industry and also for paper production. Numerous other inorganic (and organic) minerals.Effect of Dispersion Condition of Calcium Carbonate on the .Polypropylene/calcium carbonate (PP/CaCO3) nanocomposites were prepared by melt compounding (C-1) and novel compounding process (C-2), respectively. Scanning electronic microscope (SEM) results illustrated that CaCO3 nanoparticles were well dispersed at nanoscale in C-2, whereas the nanoparticles were.

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US20060275224A1 - Calcium carbonate compositions for use in the .

Process for the manufacture of an oral composition, said oral composition comprising from 5 to 60% by weight calcium carbonate as abrasive, said method characterised by the preparation of a slurry . For example, surfactant and fluoride ion sources may be added to the slurry before or together with the thickening mixture.

calcium carbonate compound dispersant,Study of Filtration/Liquefaction of Calcium Carbonate Dispersions .

This work presents the study of filtration of calcium carbonate aqueous suspensions in the presence of a dispersing agent. Two methods were used in this investigation. According to the first method, the dispersing agent was added to the calcium carbonate suspension and the filtration of this suspension was carried out in a.

US4175066A - Dispersant for calcium carbonate - Google Patents

Calcium carbonate is dispersed by a dispersant comprising a salt of an acrylic acid/maleic acid copolymer. . B01F17/0028 Macromolecular compounds .. We discovered that a salt of an acrylic acid/maleic acid copolymer is effective as a dispersant for calcium carbonate and it is unexpectedly more effective than the prior.

calcium carbonate compound dispersant,US4509987A - Calcium carbonate dispersions - Google Patents

Concentrated (e.g. above 72% by weight) dispersions of calcium carbonate ground to a particle size such that at least 87% by weight of the particles are less than 2 μm in size have a tendency to gel on standing. In the invention this tendency is minimized or eliminated by using, as dispersing agent, a copolymer of from 5 to.

US20060275224A1 - Calcium carbonate compositions for use in the .

Process for the manufacture of an oral composition, said oral composition comprising from 5 to 60% by weight calcium carbonate as abrasive, said method characterised by the preparation of a slurry . For example, surfactant and fluoride ion sources may be added to the slurry before or together with the thickening mixture.

calcium carbonate compound dispersant,Effect of Dispersion Preparation Technique of Calcium Carbonate .

Abstract. The calcium carbonate fillers are added to natural rubber (NR) latex compound in order to reduce the cost of the compound. The CaCO3 powder need to be prepared in dispersion form before added into the latex medium to avoid the instability of the NR latex compound. The ball milling is a conventional dispersion.

calcium carbonate compound dispersant,Factors to Consider in Selecting a Dispersant for Treating . - Lubrizol

filtering), or. • Chemical: Use of corrosion inhibitors or dispersants. . polyphosphate, phosphonate, benzotriazole, tolyltriazole,. • Dispersants: Acrylic or maleic-acid based polymers, and. • Biocides: Oxidizing and non-oxidizing chemicals. . forming salts such as calcium carbonate, calcium sulfate, and calcium phosphate.

Test of a Chemical Dispersant for the Control of Scale . - OSTI

further water treatment, calcium carbonate (CaCOs), or calcite, deposits on the downstream equipment as a scale, which causes operational problems. At present, this scale deposition is being controlled by the addition of a polyphosphate formulation (JP-7, Jaeger Products, Inc , Houston, TX), but the use of this chemical is.

ACUSOL Product Line Description - Dow Answer Center

Nov 7, 2017 . Our unique range of ACUSOL Dispersants are high-performing water-soluble polymers, designed to improve performance properties of detergent formulations for a full spectrum of . Calcium carbonate scale inhibitor . TMTrademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow.

Research of Dispersant Quantity in each Stage of Grinding Calcium .

By using a surface treatment agent on the surface of calcium carbonate, discussed the variation of the specific surface area of the calcium carbonate during the grinding process, determined the added amount and added time of the dispersing agent, and researched on the grinding effect. According to the changes about the.

FLOSPERSE™ dispersant

One Chemical Plant Road. Riceboro, Georgia 31323 - USA. Tel: + 1 (912) 884 3366 . different molecular weight levels (from 2,000 for dispersants up to 30,000,000 for flocculants). Currently SNF has more than 35% market share . Kaolin and Calcium Carbonate. □ Paints and Coatings. □ Coated Paper. □ Pigments.

calcium carbonate compound dispersant,Chemical Pretreatment For RO and NF - Hydranautics

The primary purpose for reducing the feed pH is to reduce the potential of calcium carbonate scaling in the .. foul the RO and (2) that they are more reliable in treating all the feed water than a chemical feed system. .. antiscalants/dispersants are best determined by the chemical supplier who utilizes a proprietary software.

Wetting and dispersing effect

Baba et al. reported on the dispersability with sugar esters of calcium carbonate as follows: (1) Sucrose monoester causes coagulation at a low concentration, but acts as a dispersing agent at higher concentrations (higher than 0.03%). (2) Sucrose diester renders coagulation. Shows the despersability of calcium carbonate.

calcium carbonate compound dispersant,Ground Calcium Carbonate (GCC) - NC State: WWW4 Server

By contrast, depending on the conditions of its production, precipitated calcium carbonate may contain some residual calcium hydroxide. Because of the hardness of line, the grinding process is energy-intensive. Anionic dispersants, including phosphates and acrylates, are used as grinding aids and to make the.

Scale Inhibitor for Cooling Water Systems - ChemTreat

Calcium carbonate, calcium sulfate, calcium phosphate, magnesium silicate, silica compounds, and mixtures of these; Sludge and Organics . Materials that handle these potential deposits have been referred to in the industry as dispersants, polymers, penetrating agents, deposit control materials, polyelectrolytes, crystal.

Calcium carbonate - Wikipedia

Calcium carbonate is a chemical compound with the formula CaCO3. It is a common substance found in rocks as the minerals calcite and aragonite and is the main component of pearls and the shells of marine organisms, snails, and eggs. Calcium carbonate is the active ingredient in agricultural lime and is created when.

How To Control Boiler Deposits | GE Water

Name, Formula. Acmite, Na2OFe2O34SiO2. Analcite, Na2OAl2O34SiO22H2O. Anhydrite, CaSO4. Aragonite, CaCO3. Brucite, Mg(OH)2. Calcite, CaCO3. Cancrinite .. organic treatments (Figure 12-7). Synthetic polymers are now used widely, and the emphasis is on dispersion of particles rather than fluid sludge formation.

The Molecular Weight Effects of Poly(acrylic acid) on Calcium .

Figure 1.3 Chemical structures of four common antiscalants. Page 35 .. Figure 2.1 Solubility curves for calcite at various temperatures pertinent to the kraft pulping process. Page 36 .. Figure 2.2 Total, dissolved, and suspended calcium levels in a typical control kraft digestion experiment (with no inhibitor). Page 37 .

US6482881B1 - Inorganic dispersant, stabilizer for suspension .

That is, the inorganic dispersant of the present invention is comprised of a calcium phosphate-calcium carbonate composite or a calcium phosphate type compound and has a petaloid porous structure, large activity, uniform particle size and good dispersibility through the reaction of calcium carbonate with phosphoric acid.

calcium carbonate compound dispersant,Specialty Chemical Products | Kohl Marketing

Organic Color Pigments. Precipitated Barium Sulfate. Precipitated Calcium Carbonate. Talc. Titanium Dioxide. Wollastonite. Additives. Antioxidants. Biocides. Castor Oil. Catalysts. Crosslinkers. Defoamers. Dispersants. Flow Modifiers. Fungicides. Leveling Agents. Matting Agents. Metallic Stearates. Preservatives/Industrial.

Manual: Sample Dispersion & Refractive Index Guide (Mastersizer .

Mar 16, 2007 . Cellulose Acetate. 1.46-1.5. Cellulose Acetate Butpate. 1.46-1.49. Cement. 1.68 (average). Cerium Compounds. 1.8282. Cerium (iii) Orthophosphate (nat. Monazite). CePO4. 1.774-1.851. Cerulean Blue. CoO.ηSnO2. 1.84. Cerussite. PbCO3. 1.804 - 2.079. Chalk (Whiting). CaCO. See Calcium Carbonate.

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