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Dispersant for calcium carbonate - Kao Soap Co., Ltd.
A method of preparing an aqueous dispersion of calcium carbonate particles, said dispersion having a high concentration of calcium carbonate particles and a low viscosity, which comprises blending into a mixture consisting essentially of water and calcium carbonate particles having
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Preparation and property analysis of polyacrylate dispersant
2008.9.1 Homopolymer (Dispersant-A) and copolymer of acrylic acid (Dispersant-B) are synthesized by condensation polymerization as dispersants for calcium carbonate.
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(PDF) Dispersion, Stabilisation and Casting of Calcium Carbonate ...
1997.4.1 Abstract. Three commercial surface active agents were tested as potential dispersants for aqueous calcium carbonate suspensions. Deflocculation curves were
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Preparation and property analysis of polyacrylate dispersant for ...
2008.9.1 In the present study, different water-soluble dispersants are prepared by condensation polymerization of acrylic acid and other unsaturated esters. The synthesis
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Surface Modification of Calcium Carbonate with Cationic
The influence of polyethylenimine (PEI) dosage on the dispersibility of precipitated calcium carbonate (PCC) particles was systematically investigated. The results for the zeta potential of
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Dispersing agent for calcium carbonate and ... - Semantic
2011.6.28 The present invention relates to: a dispersant for calcium carbonate, which can produce a calcium carbonate slurry having a reduced initial viscosity by wet-grinding and can
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Tailoring hole injection using facilely solution-processed
1 天前 Calcium carbonate (CaCO 3) is a rich resource and widely spread in the earth, showing environment-friendly characteristics of non-toxicity, nonvolatility and insolubility in water.CaCO
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Dispersive and filter loss performance of calcium
The shorter dispersion time is not optimal for the complete adsorption of the dispersant on the calcium carbonate nanoparticles. Conversely, under the sustained shearing action of higher stirring times, the decrease of absorbance
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Ultrasonic Dispersing and Wet-milling of Calcium Carbonate
2016.10.6 The calcium carbonate pre-dispersion sample was prepared in a 3 liter beaker with Acumer 9400 dispersant and distilled water in the following proportions: Table 1.
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Factors to Consider in Selecting a Dispersant for Treating
2021.4.1 • PBTC (a well-known calcium carbonate inhibitor) shows the poorest performance in terms of dispersing iron oxide in aqueous solution. • The presence of
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CN101020132A - Calcium carbonate dispersant - Google
The calcium carbonate dispersant has excellent dispersing stability in calcium carbonate water slurry and makes high concentration calcium carbonate slurry possess low initial viscosity and small viscosity increase with time. The calcium carbonate dispersant consists of polymer and neutralization product. The polymer is obtained through polymerizing alpha- and beta
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Preparation and property analysis of polyacrylate dispersant for ...
2008.9.1 Two types of dispersants for calcium carbonate were synthesized by condensation polymerization. One was the acrylic homopolymer (Dispersant-A), and the other was copolymer of acrylic acid with unsaturated esters (Dispersant-B). For the former, the optimal synthesizing parameters were determined: ammonium persulfate of 4.0% as the initiator;
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Detergents and Dispersants - SpringerLink
2009.1.1 Sulphonate-, phenate- and salicylate-type detergents incorporating calcium carbonate are the most widely used. Choices of detergent type and level are highly dependent on specific applications, and combinations are needed to optimize performance and cost. ... Dispersant type, nitrogen content and treat rate all influence the rate of this ...
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Preparation and property analysis of polyacrylate dispersant for ...
2008.9.1 Two types of dispersants for calcium carbonate were synthesized by condensation polymerization. One was the acrylic homopolymer (Dispersant-A), and the other was copolymer of acrylic acid with ...
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Estimation of floc size in highly concentrated calcium carbonate ...
DOI: 10.1016/J.COLSURFA.2005.10.021 Corpus ID: 96727166; Estimation of floc size in highly concentrated calcium carbonate suspension obtained by filtration with dispersant @article{Soua2006EstimationOF, title={Estimation of floc size in highly concentrated calcium carbonate suspension obtained by filtration with dispersant}, author={Zied Soua and Olivier
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Dispersant for calcium carbonate - Kao Soap Co., Ltd.
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. An aqueous dispersion consisting essentially of water, calcium carbonate particles having a particle size of from 0.02 to 10 microns and, as a dispersing agent, from about 1 to about 5 wt. %, based on the weight of said calcium carbonate particles, of a salt of an
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Carbonate de calcium — Wikipédia
18 小时之前 Le carbonate de calcium (Ca C O 3) est composé d'ions carbonate (CO 3 2−) et d'ions calcium (Ca 2+).Cette substance blanche a une masse molaire de 100,1 g/mol. . Le carbonate de calcium est le composant majeur des calcaires comme la craie, mais également du marbre.C'est aussi le constituant principal des coquilles d'animaux marins, du corail et des
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Ultrasonic Dispersing and Wet-milling of Calcium Carbonate
2016.10.6 Acumer 9400 polycarboxylate dispersant. The BSP-1200 processor was equipped with a Half-Wave Barbell Horn , operating at the frequency of 20 kHz and tip amplitude of 85 µm. The calcium carbonate pre-dispersion sample was prepared in a 3 liter beaker with Acumer 9400 dispersant and distilled water in the following proportions:
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Dispersing agent for calcium carbonate and ... - Semantic
2011.6.28 The present invention relates to: a dispersant for calcium carbonate, which can produce a calcium carbonate slurry having a reduced initial viscosity by wet-grinding and can prevent the significant increase in viscosity of the slurry over time; and a process for continuously producing the dispersant. This dispersant for calcium carbonate is produced through a
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Dispersant Agent DS-195L for Wetting Grinding of Calcium Carbonate
2024.10.22 Grinding operation Dispersing sand mill, Glass bead(0.8-1.2mm), Filling rate 70% 3000rmp/min 60min Performance evaluation. Centrifugal stability: take 20ml millbase into centrifuge tube, centrifuge 10 min under condition of 3000r/min, then take out to observe the layering of millbase.
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Antitartres et dispersants pour le traitement des eaux
Les produits de la gamme Brennsperse aident à contrôler le carbonate de calcium, le phosphate de calcium, le sulfate de calcium et de nombreux autres dépôts. Les exigences élevées du marché en matière de réutilisation de l'eau, de conservation de l'eau et la nécessité d'utiliser une eau de moindre qualité sont autant de facteurs qui ...
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Acrylic Acid-Allylpolyethoxy Carboxylate Copolymer Dispersant
2012.5.1 Abstract A novel environmentally friendly type of calcium carbonate and iron(III) scale inhibitor (ALn) was synthesized. The anti-scale property of the Acrylic acid-allylpolyethoxy carboxylate copolymer (AA-APELn or ALn) towards CaCO3 and iron(III) in the artificial cooling water was studied through static scale inhibition tests.
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Traitement de l’eau – Inhibitions de la précipitation
L’action retardatrice est franche vis-à-vis du carbonate de calcium, un peu moins vis-à-vis de la magnésie et du sulfate de calcium. Habituellement, ... un meilleur pouvoir dispersant que les polyphosphates et les phosphonates ; bonne stabilité à la
Bavarder sur InternetEffect of pH on the efficiency of sodium hexametaphosphate as calcium ...
2020.10.1 Calcium carbonate (CaCO 3) scale deposition causes serious issues in industries which deal with water, and its formation reaction is pH-depending.This study investigated the efficiency of sodium hexametaphosphate (SHMP) as scale inhibitor for calcium carbonate, as a function of pH and SHMP concentration, under drastic conditions of
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Rhéologie de suspensions concentrées de carbonate de
2024.7.29 Rhéologie de suspensions concentrées de carbonate de calcium en présence de fluidifiant Romain Morini To cite this version: Romain Morini. Rhéologie de suspensions concentrées de carbonate de calcium en présence de fluidifiant. Autre [cond-mat.other]. Université Nice Sophia Antipolis, 2013. Français. NNT: 2013NICE4111. tel ...
Bavarder sur InternetResearch 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 specific surface area of the grinding calcium carbonate
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Factors to Consider in Selecting a Dispersant for Treating
2021.4.1 dispersancy. Overall, the dispersant performance trend observed (terpolymer > copolymer > homopolymer) is similar to the ranking order reported for inhibiting the precipitation of calcium phosphate and calcium phosphonates.5,6,8 Iron (II), Manganese, and Zinc Ions The influence of divalent cations [e.g., Fe(II), Mn(II), Zn (II)] on the ...
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Effect of excess dispersant on surface properties and liquid ...
2010.1.1 Article Effect of excess dispersant on surface properties and liquid interactions on calcium carbonate containing coatings was published on January 1, 2010 in the journal Nordic Pulp Paper Research Journal (volume 25, issue 1).
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Carbonate de calcium, caractéristiques, propriétés et
2019.10.6 Les réactions du carbonate de calcium et d'autres acides sont similaires. 8. la réaction entre le carbonate de calcium, oxyde de carbone (IV) et de l'eau: CaCO3 + CO2 + H2O → Ca(HCO3)2. La réaction forme du bicarbonate de calcium. La réaction se déroule à température ambiante. 9. la réaction entre le carbonate de calcium et l'oxyde de ...
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US4175066A - Dispersant for calcium carbonate - Google
the calcium carbonate particles When calcium carbonate is used in an aqueous medium, for example, for coating papers or for preparing aqueous paints, it is required that the calcium carbonate particles should have an excellent dispersibility. For example, when calcium carbonate is used for coating a paper, if the dispersibility thereof is poor, the viscosity and flowability of
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