The influence of modified methyl cellulose on the main properties of expanding cementing slurries
The effect of modified methylcellulose on the main properties of expanding cementing slurries. When cementing low-temperature wells, expanding cementing slurries based on a mixture of Portland cement and gypsum alumina cement cement (30-25% GAC) are used.
Подобные документы
The study of physico-chemical properties of modified forms of natural biopolymers – carboxymethyl cellulose and xanthan gums, their ability to film formation water-soluble polymeric compositions and the influence on growth and productivity of crops.
статья, добавлен 23.02.2016Carboxymethyl cellulose as the one of largest and most widely used ether. Creating a uniform distribution of reagents in the area of chemical reactions - the process which underlying the modeling of macrokinetics carboxymethylation of cellulose.
статья, добавлен 05.12.2018Preparing of mesoporous organic-inorganic hybrid composites on glass substrates by the sol-gel method for testing the proteins adhesion. The coatings of colloidal silica, polysiloxane sol methyl-modified sols and with various wettability properties.
статья, добавлен 02.04.2014Hierarchical structure and multi-level organization of cellulose. Preparation of cellulosic nanomaterials. Mechanically-induced deconstructing strategy. Cellulose properties (mechanical, thermal, and barrier) that change during nanoscaling process.
статья, добавлен 13.04.2022Investigations concerning the processes of plugging stone structure formation, using X-ray diffraction, electronic microscopy were implemented. Influence of active mineral additives of metakaolin on the properties of plugging mortar were established.
статья, добавлен 21.12.2016Oxidized with solution of hydrogen peroxide multiwalled carbon nanotubes (MWCNTs) were modified with 2-hydroxyethylmethacrylate (HEMA) or chitosan (CTS). Morphology and surface properties of the pristine and modified MWCNTs have been investigated.
статья, добавлен 03.04.2014Influence of the basic nature of finely dispersed microfillers on the kinetics of hydrate release and localization and the degree of its crystallization. Formation of contacts between particles of systems, including various modifications of gypsum.
статья, добавлен 19.02.2021Influence of synthesis conditions on ceria particles size. Anticorrosion properties of modified carbon nanotubes. Realization the synthesis in aqueous solution at room temperature that reduces the cost of the preparation procedure of nanosized ceria.
статья, добавлен 04.04.2014The study of ion-exchange sorption of CS+ and sr2+ on clinoptilolite in original, modified e- and G-irradiation, decationated with hydrochloric acid, and the cation-contained form, the definition of the coefficient of sorption and distribution of KD, KS.
статья, добавлен 02.04.2014Study of adsorption of cadmium (II) cations on the surface of macroporous amorphous silica with chemically modified b-cyclodextrin, its functional derivatives. The analysis of kinetic curves of sorption within the Lagergren model reaction pseudo order.
статья, добавлен 02.04.2014The temperature dependence of the sulfur and tin vapor. Influence of growth conditions on the morphology of the surface and structural properties of the films with the stoichiometric composition and substrate temperature on their chemical composition.
статья, добавлен 30.07.2016- 12. Super deep penetration - new method of nanoreinforced composites producing based on polymer matrixes
Effect of the method of mixing isoprene rubber with nanofillers on the properties of nanocomposites. The thermostability of rubber based on isoprene elastomer with MMT. The physical-mechanical properties of rubber based on isoprene elastomer (SRI).
статья, добавлен 29.06.2017 Physicochemical properties of 1-alkyl-5-methyl-6-(2-methyl-1,3-thiazol-4-yl)-3-phenylthieno[2,3-d]pyrimidine-2,4(1H,3H)-diones 3 and 4. The method for preparation of 5-methyl-6-(2-methyl-1,3-thiazol-4-yl)-3-phenylthieno[2,3-d]pyrimidine-2,4(1H,3H)-dione.
статья, добавлен 29.10.2016Microporous structure of outgoing and thermally modified plant-extracted carbon material. Porous system characteristics by different methods on low temperature adsorption-desorption. Сharacteristic of most effective thermal modifications form nanopores.
статья, добавлен 24.02.2016Investigation of the influence intercalation ions of Ni2+ on the electrical properties of indium selenide crystals. The surface of InSe layered crystals. Investigation of magnetic properties of intercalated NiXInSe. The basic samples of InSe.
статья, добавлен 30.07.2016The interaction of CO molecules with clean and oxygen-modified Mo(110) surface has been investigated by means of density functional calculations. That on both clean and oxygencovered Mo(110) surfaces CO molecules are tilted with respect to the normal.
автореферат, добавлен 02.04.2014The influence of low-molecular additives on the composition of polyvinylpyrrolidone with hydroxyethyl compositions. Adhesion based on the angle of wetting compositions. The effect of different additives on the adhesive strength of the adhesive joint.
статья, добавлен 21.12.2016Characteristics of the methods of improving the electrical properties, the proper maintenance alloys for electrical purposes. Analysis of the influence of heating temperature on microhardness of the types foreign made Aluminium-Zirconium alloy wires.
статья, добавлен 25.12.2016Influence of increasing the temperature of thermochemical activation of up to 750 °C and increasing the dosage of potassium hydroxide to 2.1 g/g of activated carbon synthesis of hydrolytic lignin on the formation of adsorption properties of the AC.
статья, добавлен 30.07.2017To study antimicrobial properties of the synthesized surfactants, the method of consequent dilution was used. The experiments were carried out in the test tubes contained a surfactant at different concentrations and 1 ml of the physiological solution.
статья, добавлен 03.03.2021The study of the composition and the structure of the original and modified lignocellulosic materials. Analysis of the dependence of sorption properties of lignocellulosic composites in relation to heavy metals from changes in the functional composition.
статья, добавлен 04.04.2014Treating the properties of oxidized activated carbon KAU by different temperatures in inert atmosphere were studied by means of DTA, Boehm titration, XPS and AFM methods and their catalytic activity in hydrogen sulphide oxidation was established.
статья, добавлен 04.04.2014Study films of CdxZn1-xTe solid solution, obtained by a close-spaced vacuum sublimation technique under different temperatures of glass substrate by energy dispersive analysis of X-rays, scanning electron microscopy and X-ray diffraction methods.
статья, добавлен 30.07.2016Consideration of the results of x-ray diffraction of the considered chemical compounds. Structural properties of the films of magnesium oxide. Substantiation of optimum parameters of temperature of synthesis of organic and many inorganic compounds.
статья, добавлен 30.07.2016Determine the optimal parameters of synthesis and base properties of nano-tubular crystals Mg-Ni chrysotiles. temperature ranges and pressure for the synthesis of nano-tubular crystals all synthesed chrysotile at the time of isothermal exposure.
статья, добавлен 30.07.2016