The effect of pressure, temperature and time during direct pressing on the strength and optical characteristics of adhesive plasticized polyvinyl butyral films is studied. A mathematical analysis of the results of a full factorial experiment is carried out and the regression equations are derived.

This review describes the achievements in improving the properties of anaerobic adhesives used in various fields of technology for locking, sealing and bonding of metal parts.

Samples of hydrophobically modifi ed polyacrylic acid containing 1% of alkoxy(С12-С14)oligoethylene glycol methacrylate units have been synthesized by free radical precipitation polymerization. The infl uence of the length of ethoxylated spacer of macromonomers and neutralization degree of carboxylic groups on thickening properties of obtained polymers in water and waterpropylene glycol mixtures at diff erent temperatures has been determined.

The parameters of light resistance, heat resistance and water absorption of organic glasses based on methyl methacrylate copolymers with various methacrylic monomers containing UV absorbers and UV stabilizers are investigated. It has been shown that UV stabilizers - quenchers of excited states: diphenyl and isomers of terphenyl have the best stabilizing eff ect. A decrease in water absorption of copolymer organic glasses with the introduction of cyclic fragments into the copolymer was established. It was shown that the introduction of methyl methacrylate - methacrylic acid into the system as a comonomer of cyclohexylmaleimide allows increasing the heat resistance of organic glasses.

The molecular weight characteristics of the polymer obtained by suspension polymerization of methyl methacrylate in the presence of polymeric surfactants - (co)polymers of 2-acrylamido-2-methylpropane sulfonic acid, sodium salt of methyl methacrylate copolymer with methacrylic acid and acrylamide copolymer with acrylonitrile and acrylic acid are studied. It was found that the highly dispersed fraction (0.5–2 μm) of polymethyl methacrylate has an increased molecular weight and even at a content less than 1% has a noticeable eff ect on the average molecular weight. It is shown that an eff ective way to reduce the content of polymer particles 0.5–2 μm is the use of a dispersant, in which the colloidal solubility of methyl methacrylate is minimal.

Experimental evaluation of various methods for the synthesis of purified N-cyclohexylmaleimide was carried out. It was shown that the monomer obtained by the combined purification scheme, including steam distillation and sequential recrystallization in organic solvents of diff erent polarities, allows to obtain N-cyclohexylmaleimide with the content of the main substance of at least 99.5 wt.% and with a yield of 70–80 wt.%.

The monomer synthesized according to the proposed scheme does not contain polymerization-active and coloring impurities. It makes it possible to obtain unpainted methacrylic copolymers on its base with high heat resistance.

Investigations have been carried out in the fi eld of UV-cured polymeric materials for application in 3D-prototyping technologies.

Based on the data on the distribution of alkoxyoligo(ethyleneglycol) methacrylates in the water-hexane system, the HLB values of the macromonomers are determined. A good correlation between the temperatures of phase transitions of copolymers of alkoxyoligo(ethyleneglycol) methacrylates in aqueous solutions and calculated HLB values of the original macromonomers was shown.

The dependences of physical and mechanical parameters of PVC plastisol films on the composition, production time and temperature, are investigated. Samples of heterogeneous flooring have been obtained and tested in the laboratory.

The possibility of modifying the reactive acrylic termocuring adhesive based on the solution of polyetherpolyurethane in glycidylmethacrylate with oxazolidone-containing oligourethanes to increase the heat resistance of the adhesive is shown.

The eff ect of Taunit grade carbon nanotubes on the kinetic parameters of block radical copolymerization of acrylonitrile and methacrylic acid in the presence of foaming agents (tert-butyl alcohol – N-methylformamide system) was studied. Thermoimidization and foaming of acrylonitrile and methacrylic acid copolymers produced foamed nanocomposites based on polymethacrylimides, carbon nanotubes and finely dispersed silicon oxide. It is shown that the dependences of the density of composites and their strength characteristics on the content of carbon nanotubes pass through a maximum.

Thermal, physico-mechanical, electro- and thermophysical properties of glass fiber filled Polyphenylene sulfides are investigated, the temperature range of products from these materials is established.

The modified, technologically advanced in preparation and processing, low-temperature curing epoxy binders have been developed. They ensure the maximum possible realization of the properties of UHMWPE fibers in the organic composite. The structural-kinetic role of modifiers of various chemical nature to control the performance properties of epoxy binders cured in the temperature range 20-95ºС is shown.

Light scattering composites based on polystyrene, polyethylene and glass hollow microspheres have been developed. Composites with the optimal ratio of light transmission and light scattering coefficients has been produced.

The use of 3M Dynamar processing additives based on fluoropolymers in the production of pipe grades HDPE allows to signifi cantly reduce the load on the screw and the pressure on the die, providing increase the productivity of the extrusion line. Conducted studies have shown that the addition of Dynamar FX5911, even at high concentrations, does not affect significantly the physicomechanical properties of HDPE and does not impair the strength of the weld when butt welding HDPE pipes.