Polyethylene terephthalate
Using polyethylene terephthalate in fibers for clothing, containers for liquids and foods, thermoforming for manufacturing. Polycondensation of oligomers and polymers in the solid phase, like in other methods of carrying out the polycondensation process.
Подобные документы
Study of influence of amino acids on the hydroxyapatite formation. Study of mineral obtained by transmission electron microscopy and powder X-ray diffraction. Analysis of the phase composition, crystal size and lattice microstrains of calcium phosphate.
статья, добавлен 23.12.2016Construction of isothermal section of the phase diagram of the Y–Cu–Sn ternary system at 673 K in the whole concentration range, using X-ray diffraction and EPM analyses. Calculations of crystallographic parameters and theoretical diffraction patterns.
статья, добавлен 23.02.2017Synthesis of sorption-active material carrying groups 5% chlorosulfonic acid by radiation-induced graft polymerization of styrene monomer on the surface of non-woven polypropylene fabric with subsequent sulfonation of the grafted polystyrene chains.
статья, добавлен 02.04.2014Introduction to flow control. Multi-phase flow with emphasis on slug flow. Stabilization of flow in Oil/Gas wells and pipelines. Trends and Facts in Oil and Gas Production. Callenges for Deep Water Developments. Slug reduction/elimination techniques.
доклад, добавлен 08.01.2013The 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- 56. The molecular structure and chromatographic parameters of calix[4]аrеnehydroxymethylphosphonic acids
A basic chromatographic characteristics of biologically significant calix[4]аrenehydroxymethylphosphonic acids. A study sodium salts in a reversed-phase high-performance liquid chromatography. The structure of calix[4]аrenehydroxymethylphosphonic acids.
статья, добавлен 05.03.2014 Preparing cured hybrid epoxy-amine hydroxyurethane-grafted polymer by novel structure with lengthy epoxy-amine chains, pendulous hydroxyurethane units and a controlled number of cross-links. Using their increased flexibility for manufacturing of leather.
статья, добавлен 30.07.2017Specific features of measuring the magnetic hysteresis of nano-sized multiferroic BiFeO3 powders synthesized by sol-gel method using citric acid at room temperature. Characterization of the main magnetic parameters of the obtained nanopowder samples.
статья, добавлен 12.05.2018The development of rape-cake extract as eco-friendly volatile corrosion inhibitors. Analysis of volatiles by GC-MS. Theoretical study of molecular spatial structure, causes of the shortage of the energy and density of the extract, its key compounds.
статья, добавлен 23.02.2016Consideration in this study, multi-chamber detonation sprayer was applied for deposition of NiCoCrAlY powder coatings on nickel base superalloy JS6U. The coating microstructures and phase compositions were characterized using SEM, OM and XRD techniques.
статья, добавлен 30.07.2016Physical parameter models. Thermodynamic parameter models. Brief review of the relationship between the solution model and phase equilibria. The modified quasi chemical (MQC) model. Basic quasi chemical theory. The modified binary quasi-chemical theory.
статья, добавлен 10.04.2017Describes macroscopic of piezoelectric response of a macroscopic array of nanorod crystals of cadmium sulfide. Research of irregular shape of six-sided polyhedron and demonstrate piezoelectric response similar to their counterpart crystals grown.
статья, добавлен 30.07.2016Preparative and research methods of biochemistry, molecular biology, and biotechnology. Application of the affinity of biological molecules to complementary structures. Consideration of using scheme for activation cascade of the blood clotting system.
статья, добавлен 15.04.2024General properties of organometallic complexes. Metal alkyls and hydrides. Nucleophilic and electrophilic addition. Physical methods in organometallic chemistry. Insertion and Elimination. Homogeneous catalysis. Applications to organic synthesis.
книга, добавлен 05.03.2013Catalytic, electrical, optical and magnetic properties of cobalt sulfide. Chemical structure and application of inorganic compounds and salts the sulfurous acid. Brief description of the structure of pyrite. Methods for the synthesis of the metals.
статья, добавлен 30.07.2016- 66. The thermo- and magnetogalvanic phenomena in nanohybrid clathrates and their practical application
The changes in the properties of the structures at the formation them in a magnetic or electric field, as well as under light, were shown. According to impedance spectroscopy and thermally stimulated depolarisation methods structures were investigated.
статья, добавлен 30.07.2016 Identification techniques of fluacizine by color reactions and thin layer chromatography. The results of chromatographic analysis of fluacizine for two systems of solvents. The fluacizine detection by UV-spectrophotometry in phosphate buffer solution.
статья, добавлен 25.03.2016Treating 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 04.04.2014MPWB1K/6-31+G(d) and MPWB1K/tzvp theoretical models were found to provide reasonable accuracy of the prediction of ionization potentials for mono- and polycyclic azacompounds. The root mean square errors of the methods are 0.19 and 0.20, respectively.
статья, добавлен 30.10.2016Benzisothiazolium Salts. Heterocyclic Annulated Isothiazolium Salts. Structure. X-ray Diffraction. Molecular Spectra. Analytical methods. Reactivity, general survey. Oxidation to Sultims and Sultams. Ring Transformation in Other Heterocyclic Compounds.
статья, добавлен 05.03.2013- 71. Ti-Al alloy
A new process for developing titanium aluminides using chemical vapor synthesis was investigated in a laboratory experiment. Aluminum subchloride was used as the reducing agent in the reaction with TiCl4 and the source of aluminum for Ti-Al alloy.
лабораторная работа, добавлен 01.11.2019 Concerning the separation, identification, and determination of the relative amounts of the components making up a sample. The relationship between analytical chemistry and the other sciences. Classification of modern analytical methods in chemistry.
презентация, добавлен 29.04.2015Tetrahydroxycalix[4]arene, tetraalkoxycalix[4]arenes and tetraalkylcalix[4]resorcinarenes are capable to reversible adsorption on the surface of the hydrophobic support lichrosorb RP 18. Conditions reversed high-performance liquid chromatography.
статья, добавлен 28.08.2016Technique of chemical etching as a promising method for creating nanostructures of si. The development of photovoltaic converters and methods of production resoursesaving for silicon micro - and nanostructures based on isotropic and anisotropic etching.
статья, добавлен 30.07.2016Deals with natural barite ores whose origin is associated with magmatic eruptions, the location of the most powerful deposits. Familiarization with the main applications of blanfixe. Definition of the main methods for obtaining artificial barium sulfate.
статья, добавлен 24.02.2021