Ultra-fine Precipitated Calcium Carbonate and its Function as Rubber Additive
نویسندگان
چکیده
منابع مشابه
Precipitated Calcium Carbonate Prepared by Batch and Semicontinuous Processes
A comparison of the physical-chemical properties of precipitated calcium carbonate (PCC), prepared by batch and semicontinuous processes, is presented. In both processes, PCC, was synthesized by carbonation of slaked lime. In the batch process the experiments were performed by varying the initial mass concentration and temperature, and the semicontinuous process was conducted by varying the ini...
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Calcium carbonate (CaCO3) is an abundant mineral that has several uses in paper [1], Portland cement [2] and steel making [3], as agricultural input for soil modification [4], and food additive in soy milk and dairy products. Due to its high biocompatibility, CaCO3 is also employed in many pharmaceutical (anti-acid, dietary supplement for child and postmenopausal women), biological (scaffolds f...
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Calcium acetate is used as an oral phosphate binder to control hyperphosphatemia in patients with chronic renal failure. Compared to calcium carbonate, control of hyperphosphatemia can be achieved at lower calcium administration with calcium acetate which likely reduces the risk of hypercalcemia. In this study, various formulations of calcium acetate tablets were prepared and their disint...
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Anionic surfactants based on fatty acids are usually used to modify the particle surface properties of CaCO 3 with the aim to enhance its dispersion and compatibility with polymer matrices. In this study sodium oleate was used for the preparation of ultrahydrophobic CaCO 3 nanoparticles using a wet carbonation route. The effect of sodium oleate on the characteristics, particle size, morphology,...
متن کاملStructure and Strength of Flocs of Precipitated Calcium Carbonate Induced by Various Polymers Used in Papermaking
Because of persistent economic pressure on cost reduction, inorganic fillers such as precipitated calcium carbonate (PCC) have become increasingly economically attractive in the papermaking process. The increase of filler level in paper can be achieved by adding it to pulp prior to the headbox, either as individual filler particles or as preaggregates, while maintaining paper strength and minim...
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ژورنال
عنوان ژورنال: NIPPON GOMU KYOKAISHI
سال: 2005
ISSN: 1884-0442,0029-022X
DOI: 10.2324/gomu.78.218