Physico-chemical properties and efficiency of demulsifiers based on block copolymers of ethylene and propylene oxides
The use of block copolymers on the basis of oxides of ethylene and propylene as demulsifiers of oil emulsions. Determination of the dependence of their physico-chemical properties from the content oxyethylene and oxypropylene groups in the molecule.
Подобные документы
- 76. 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.
статья, добавлен 20.03.2024 Investigation 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 30.07.2016Depth profiles of the near-surface region and chemical composition for amorphous films deposited from Ge33As12Se55 bulk glasses and their changes resulting ageing under ambient conditions have been studied by the methods of Auger electron spectroscopy.
автореферат, добавлен 02.04.2014Distribution of essential chemical elements and toxicants in terrestrial phytomass of woody plants fir white European, which is a species of forest on the territory of the Dniester region. Estimation of biospheric and stabilize the environment functions.
статья, добавлен 25.12.2016Development of a new approach to the simultaneous determination of two reducing agents, which is based on the dependence of the rate of their reaction. Automation of the method using a typical device of the method of sequential injection analysis.
статья, добавлен 30.10.2016The technology of obtaining and comparative tests of the medical enterosorbents, activated coal and lignin enterosorbents. High activity lignin enterosorbents at the treatment of lacto-dependent diarrhoea. Physical-chemical features of enterosorbents.
статья, добавлен 02.04.2014The efficiency of using softened water in the removal of dissolved oxygen and iron ions has been determined. The dependence of the efficiency in the processes of the deoxygenation and iron removal of water on the filtering speed through the redox filter.
статья, добавлен 26.02.2021Analysis, synthesis and properties of six isomeric heterocyclic systems containing two fused rings of pyridine with different relative positions of the atoms of nitrogen - naphthyridines. Physicochemical properties and reactivity of naphthyridines.
дипломная работа, добавлен 05.03.2013Treating 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 04.04.2014Hierarchical 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 13.04.2022Quantum-chemical calculation of thermodynamic features dye. Spatial structure of the colouring agent "active bright orange CS/5K" molecule. Kinetics process of wastewater treatment from the dye. Mechanism of wastewater treatment from active bright orange.
статья, добавлен 30.08.2016Greater moisture sensitivity as a key factor for the sensory use of SnO2 based ceramics. General characteristics of the properties of oxide ceramics. Consideration of humidity sensors based on semiconductor varistor ceramics SnO2-Co3O4-Nb2O5-Cr2O3.
статья, добавлен 29.06.2020Dependence of the size of tannin nanocapsules on the nature of the shell. Considering the nanoparticle in guar gum having the lowest average value and the shell consisting of sodium alginate having the highest value. Properties of nanostructured tannin.
статья, добавлен 21.05.2023The 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 04.04.2014Consideration of oxygen as a basic element of atmosphere of Earth, his constituents, oxides, behavior of oxygen as a result of combustion, use of oxygen in a fuel, way of his receipt, production and uses of oxygen in different industries of industry.
презентация, добавлен 23.02.2014Determine 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 30.07.2016Characteristics 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 25.12.2016- 93. Ethylene Diamine Functionalized Citrate-Capped Gold Nanoparticles for Metal-Enhanced Bioluminescence
Metal-enhanced bioluminescence is a complex photophysical event which manifests itself in manifold luminescence enhancement and depends on many parameters. The parameters include the distance between the luminescent source and the nanomaterial surface.
статья, добавлен 13.04.2022 Synthesis of a methacrylic azomonomers based on para-aminoacetanilide to obtain functionalized polymers for orientation of liquid crystals. The kinetics of polymerization of synthesized azomonomers. Constants of thermo-induced radical polymerization.
статья, добавлен 21.12.2016- 95. Growth of zinc oxide porous films via electrochemical anodization using glycerol based electrolyte
Formation of the porous structure of zinc oxide. Morphological properties of anodized films. Methods of diffraction of X-rays and scanning electron microscopy. Analysis of electrochemical anodizing of zinc oxide in electrolyte based on glycerol.
статья, добавлен 30.08.2016 Dependence of durability of coverages on nature and closeness of adhesive bonds. Use of silanes with an olefine carbon as an adhesion layer on metallic grounds, improves protective properties of coverages a steady-state by an ultraviolet irradiation.
автореферат, добавлен 02.04.2014Study of the reaction of polyelectrolytes. Research of the structure and membrane properties of sodium carboxymethylcellulose and urea-formaldehyde oligomer. Development of technology for manufacturing biocompatible polymeric materials for medicine.
статья, добавлен 17.02.2019Phase analysis and the crystal structure of the compounds has been investigated by means of X-Ray analysis. Magnetic properties of two synthesised compounds were investigated revealing paramagnetic behaviour in whole investigated temperature range.
статья, добавлен 20.07.2022The 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 21.12.2016The use of a sorbent to study the preliminary concentration of V (V) ions in the liquid phase. Establishment of optimal conditions for sorption. Influence of the concentration of metal ions and the time of reaching chemical equilibrium on sorption.
статья, добавлен 27.02.2021