CONTENTS of journal "Promyshlennoye proizvodstvo i ispol'zovaniye elastomerov" ("INDUSTRIAL PRODUCTION AND USE OF ELASTOMERS") 3-4•2020 (Russia)


POLYMER

УДК 678.046
DOI: 10.24412/2071-8268-2020-3-4-3-7
CIS-1,4-POLYBUTADIENE AND FROST RESISTANCE OF RUBBER BASED ON IT  (P. 3-7)
Zolotarev V.L.1, Levenberg I.P.2, Kovaleva L.A.3, Zuyev A.A.3, Lyusova L.R.3
1OBRAKADEMNAUKA, 119313, Moscow, Russia
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2Macrochem LLC, Poland
3MIREA – Russian Technological University, 119454, Moscow, Russia
ABSTRACT
The brief analysis of the dependence of tendency to crystallization and low temperature resistance of cis-polybutadienes on their structure, due to the catalysts used in the synthesis process, and the presence of butadiene oligomers in rubber is presented in article.
KEYWORDS: cis-polybutadiene, molecular chain defects, crystallization, frost resistance coefficient, butadiene oligomers.
For citation: Zolotarev V.L., Levenberg I.P., Kovaleva L.A., Zuyev A.A., Lyusova L.R. CIS-1,4-POLYBUTADIENE AND FROST RESISTANCE OF RUBBER BASED ON IT. Prom. Proizvod. Ispol’z. Elastomerov, 2020, no. 3-4, pp. 3–7. (In Russ.). DOI: 10.24412/2071-8268-2020-3-4-3-7.

УДК 541.64
DOI: 10.24412/2071-8268-2020-3-4-8-13
RE-AMIDATION OF POLY(METHYL METHACRYLATE)S WITH DIFFERENT MICROTACTICITY BY AMINES (P. 8-13)
Puzin Yu.I., Puzin P.YU., Mastobaev B.N.
Ufa State Petroleum Technological University, 450062, Ufa, Russia
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ORCID: https://orcid.org/0000-0001-5379-9520, E-mail: Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.
ABSTRACT
Kinetic study of the re-amidation of poly(methyl methacrylate)s with different microtacticity by amines (dibutyl amine, hexadecyl amine) has been held. It is shown that the rate of modification depends on the microstructure of polymer: it is much higher in polymers with higher content of iso-structure sequences. Reducing the proportion of polymer syndiotacticity also leads to an increase in the rate of re-amidation. According to elemental analysis rated content of modified groups in the polymer.
KEYWORDS: poly(methyl methacrylate), macromolecular reactions, polymer’ analogues reactions, dibutyl amine, hexadecyl amine, amidation, iso- and syndiotacticity of polymers.
For citation: Puzin Yu.I., Puzin P.YU., Mastobaev B.N. RE-AMIDATION OF POLY(METHYL METHACRYLATE)S WITH DIFFERENT MICROTACTICITY BY AMINES. Prom. Proizvod. Ispol’z. Elastomerov, 2020, no. 3-4, pp. 8–13. (In Russ.). DOI: 10.24412/2071-8268-2020-3-4-8-13.

УДК 678.762.3
DOI: 10.24412/2071-8268-2020-3-4-14-19
STRUCTURAL ASPECTS OF ANIONIC POLYMERIZATION OF ISOPRENE N THE PRESENCE OF METAL-ALKOXIDES SYSTEMS (P. 14-19)
Glukhovskoy V.S.1, Papkov V.N.1, Berdnikov V.V.1, Firsova A.V.1, Komarov E.V.1, Zemskiy D.N.2
1Voronezh branch «NIISK», 394014, Voronezh, Russia
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2Nizhnekamsk Institute of Chemical Technology (Branch of Kazan National Research Technological University), 423578, Nizhnekamsk, Russia
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ABSTRACT
Structural aspects of anionic polymerization of isoprene in the presence of metal-alkoxides systems are considered. The use of electron donor additives (modifiers) — alkoxides of alkali and alkaline earth metals in the catalytic system n-butyllithium + additive made it possible to obtain polyisoprenes with various types of addition of multidimensional units: trans-1,4, 3,4 and 1,2- with the formation of polyisoprene of mixed structures. Depending on the type of metal in the alcoholate group, the corresponding microstructure of polyisoprene is realized. In the case of using lithium, 1,4-cis addition occurs mainly, sodium gives a mixed structure: 3,4- untill 60%, 1,4-trance — 40-45%. The introduction of barium and calcium into the modifier leads to the formation in the polymer chain of 1,4-cis addition to 20% due to a decrease in 3,4- addition. The presence of hydroxyl groups in the functionalized lithium polyisoprene rubber (SRI-710LF) provides a lower value of the index of resistance to touch and improved adhesion to wet road surfaces in comparison with the serial sample.
KEYWORDS: polyisoprene, n-butyllithium, microstructure, modifier.
For citation: Glukhovskoy V.S., Papkov V.N., Berdnikov V.V., Firsova A.V., Komarov E.V. Zemskiy D.N. STRUCTURAL ASPECTS OF ANIONIC POLYMERIZATION OF ISOPRENE N THE PRESENCE OF METAL-ALKOXIDES SYSTEMS. Prom. Proizvod. Ispol’z. Elastomerov, 2020, no. 3-4, pp. 14–19. (In Russ.). DOI: 10.24412/2071-8268-2020-3-4-14-19

УДК: 678.1
DOI: 10.24412/2071-8268-2020-3-4-20-29
POSSIBLE DIRECTIONS TO DIVERSIFY THE PRODUCTION OF OXYGENANT ADDITIEVS (P. 20-29)
Aksyonov V.I.
OBRAKADEMNAUKA, 119313, Moscow, Russia
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ABSTRACT
Results of research based on the analysis of open publications, experimental and industrial operation of installations, the main directions and ways of diversification of production of oxygenant, octane-increasing fuel components are proposed and the features of solving emerging problems are considered.
KEYWORDS: monomer, isobutylene, isobutane-isobutylene fraction, methyl-tert-butyl ether, isooctane, technology, production, low molecular weight polyisobutylene, isobutylene copolymers.
For citation: Aksyonov V.I. POSSIBLE DIRECTIONS TO DIVERSIFY THE PRODUCTION OF OXYGENANT ADDITIEVS. Prom. Proizvod. Ispol’z. Elastomerov, 2020, no. 3-4, pp. 20–29. (In Russ.).
DOI: 10.24412/2071-8268-2020-3-4-20-29.

УДК 541.127
DOI: 10.24412/2071-8268-2020-3-4-30-32
OXYGENATION OF ALKYLAROMATIC HYDROCARBONS (P. 30-32)
Amanullaeva G.I., Bayramova Z.E.
Azerbaijan State Oil and Industry University, AZ1010, Baku, Azerbaijan
ABSTRACT
In the development of new methods for the oxygenation of alkylaromatic hydrocarbons at moderate temperatures, special attention is paid to the use of porphyrin complexes of transition metals as catalysts. The catalytic properties of the synthesized metal porphyrins in the oxidation of alkyl aromatic hydrocarbons have been studied. The structure of the synthesized substances was characterized by IR and electronic spectroscopy. It has been established that metal porphyrins are effective and selective catalysts in the oxidation of alkyl aromatic hydrocarbons. The search for catalysts with high activity, selectivity and allowing the process to be carried out under «mild» conditions is an urgent problem today.
KEYWORDS: oxygenation, hydrocarbon, metalloporphyrin, catalyst, transition metals, complex, ketone, aldehyde.
For citation: Amanullaeva G.I., Bayramova Z.E. OXYGENATION OF ALKYLAROMATIC HYDROCARBONS. Prom. Proizvod. Ispol’z. Elastomerov, 2020, no. 3-4, pp. 30–32. (In Russ.). DOI: 10.24412/2071-8268-2020-3-4-30-32.

MEMBRANES AND MEMBRANE TECHNOLOGIES

УДК 661.183.123
DOI: 10.24412/2071-8268-2020-3-4-33-38
ION-EXCHANGE MEMBRANES. PROSPECTS FOR APPLICATION OF POLYMER MATERIALS (P. 33-38)
Movsumzade E.M.1, 2, Karimov E.KH.3, Novák Luboš4, Lokshina E.A.1, Lavrova O.M.5, Teptereva G.A.1, Tivas N.S.1, Kolchin A.V.1, Rolnik L.Z.1
1Ufa State Petroleum Technological University, 450062, Ufa, Russia
ORCID: https://orcid.org/0000-0002-7267-1351, E-mail: Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.
ORCID: https://orcid.org/0000-0001-5444-5812, E-mail: Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.
ORCID: https://orcid.org/0000-0003-2328-6761, E-mail: Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.
ORCID: https://orcid.org/0000-0001-6581-0045, E-mail: Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.
2Kosygin Russian State University (Technology. Design. Art) 117997, Moscow, Russia
ORCID: http://orcid.org/0000-0002-7267-1351, E-mail: Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.
3Sterlitamak branch of Ufa State Petroleum Technological University, 453118, Sterlitamak, Russia
ORCID: http://orcid.org/0000-0002-4224-4586, E-mail: Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.
4MEGA, 190 00, Czech Republic
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5Kazan National Research Technological University, 420015, Kazan, Russia  
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ABSTRACT
The main provisions of the theory of the membrane potential arising at the boundary between a semipermeable membrane and a solution due to the difference in its concentrations on both sides of the membrane are presented. The stages of development of membrane electrochemistry in connection with the production of ion-exchange polymer membranes are considered. The relationship between the chemical structure and the physical structure of the ion-exchange membrane is analyzed. The properties of polymer membrane materials are considered, allowing their use in filtration technologies and hydrogen energy.
KEYWORDS: polymer membrane, separation of substances, membrane electrolysis, electrodialysis, fuel cell.
For citation: Movsumzade E.M., Karimov E.Kh., Novak L., Lokshina E.A., Lavrova O.M., Teptereva G.A., Tivas N.S., Kolchin A.V., Rolnik L.Z. ION-EXCHANGE MEMBRANES. PROSPECTS FOR APPLICATION OF POLYMER MATERIALS. Prom. Proizvod. Ispol’z. Elastomerov, 2020, no. 3-4, pp. 33–38. (In Russ.). DOI: 10.24412/2071-8268-2020-3-4-33-38.

ECOLOGY

УДК 678.4
DOI: 10.24412/2071-8268-2020-3-4-39-44
THERMAL CHARACTERISTICS OF MIXED THERMOPLASTIC ELASTOMERS BASED ON RECYCLED POLYPROPYLENE AND ETHYLENE-PROPYLENE RUBBER (P. 39-44)
Khusnullin A.G.1, Psyanchin A.A.1, Zakharova E.M.2, Glazyrin A.B.1, Zakharov V.P.1
1Bashkir State University, 450076, Ufa, Russia
2Ufa Institute of Chemistry RAS, 450054, Ufa, Russia
ABSTRACT
Thermogravimetric analysis and differential scanning calorimetry have been used to study the thermal characteristics of mixed thermoplastic elastomers based on a thermoplastic polymer (recycled polypropylene) and an elastomer (triple ethylene-propylene rubber). Mixed compounds, in comparison with the initial polypropylene are characterized by greater stability to thermal oxidative degradation, which is manifested in the increase of the temperature corresponding to the beginning of decomposition, reduction of the weight of the sample at 1 and 5%, the maximum degradation rate of the bulk polymer. The values of the melting point of polypropylene by 2,6-3,8°С, and the crystallization temperature by 1,2-8,7°С in thermoplastics are lower than that of the original thermoplastic polymer. There is a decrease in the degree of crystallinity of polypropylene when it is filled with ethylene-propylene rubber. Compared with recycled polypropylene, thermoplastics based on it are more thermally stable due to the presence of ethylene-propylene rubber in the mixture.in particular, the temperature corresponding to the maximum decomposition rate of the bulk of the polymer sample is shifted by 20-40оС to the high-temperature region. The absence of influence of the composition of thermoplastics on the glass transition temperature of ethylene-propylene rubber indicates its thermodynamic incompatibility with polypropylene, at the same time, polymers have a significant mutual influence on the process of crystallization and melting of the crystal phase, which may affect the physical and mechanical properties of the resulting polymer compounds. The results obtained can be used in the development of compositions of mixed thermoplastics based on secondary thermoplastic polymers and elastomers, as well as in the process of their processing.
KEYWORDS: mixed thermoplastic elastomers, recycled polypropylene, ethylene-propylene rubber, thermogravimetry, differential scanning calorimetry, crystallinity, thermal stability.
For citation: Khusnullin A.G., Psyanchin A.A., Zakharova E.M., Glazyrin A.B., Zakharov V.P. THERMAL CHARACTERISTICS OF MIXED THERMOPLASTIC ELASTOMERS BASED ON RECYCLED POLYPROPYLENE AND ETHYLENE-PROPYLENE RUBBER. Prom. Proizvod. Ispol’z. Elastomerov, 2020, no. 3-4, pp. 39–44. (In Russ.).
DOI: 10.24412/2071-8268-2020-3-4-39-44

REVIEWS

SYNTHETIC RUBBERS

УДК 678.049         
DOI: 10.24412/2071-8268-2020-3-4-45-55
NATURAL RUBBER AND SYNTHETIC CIS-POLYISOPRENE. PART 2. PROPERTIES OF POLYISOPRENES OF GLOBAL MANUFACTURERS AND RUSSIAN BRANDS PRODUCTION OF JSC «SINTEZ-KAUCHUK» (P. 45-55)
Nasyrov I.SH.1, Faizova V.YU.2, Zhavoronkov D.A.1, Shurupov O.K.3, Vasiliev V.A.4
1Sintez-Kauchuk JSC, 453110, Sterlitamak, Russia
2Sterlitamak Petrochemical Plant JSC, 453110, Sterlitamak, Russia
3UK «TAU NefteKhim», 453110, Sterlitamak, Russia
4Nizhnekamsk Institute of Chemical Technology (Branch of Kazan National Research Technological University), 423578, Nizhnekamsk, Russia
ABSTRACT
The purpose research was to of the production and use of natural rubber is given, its purpose and features, types and properties are considered. It is shown that it is necessary to create a synthetic cis-polyisoprene (SKI) with properties similar to natural rubber. The modern achievements and development prospects in the field of creating new synthetic cis-polyisoprene brands both in Russia and abroad are considered. Comparison of synthetic cis-polyisoprene brands of world manufacturers is presented. Particular attention is paid to the comparative characteristics of various brands of synthetic cis-polyisoprene produced by JSC Sintez-Kauchuk. The characteristics of «gadolinium» polyisoprene are analyzed separately according to the results of pilot production at Sterlitamak JSC «Sintez-Kauchuk».
KEYWORDS: natural rubber, cis-polyisprene, lithium catalyst, neodymium-based catalytic system, and gadolinium-based catalytic system, Sintez-Kauchuk OJSC.
For citation: Nasyrov I.SH., Faizova V.YU., Zhavoronkov D.A., Shurupov O.K., Vasiliev V.A. NATURAL RUBBER AND SYNTHETIC CIS-POLYISOPRENE. PART 2. PROPERTIES OF POLYISOPRENES OF GLOBAL MANUFACTURERS AND RUSSIAN BRANDS PRODUCTION OF JSC «SINTEZ-KAUCHUK». Prom. Proizvod. Ispol’z. Elastomerov, 2020, no. 3-4, pp. 45–55. (In Russ.). DOI: 10.24412/2071-8268-2020-3-4-45-55.

REVIEWS

WOOD CHEMISTRY

УДК 630
DOI: 10.24412/2071-8268-2020-3-4-56-66
MAIN COMPONENTS OF REDISTRIBUTION OF NATURAL PLANT RESOURCES (P. 56-66)
Movsumzade E.M.1, 2, Chetvertneva I.A.3, Teptereva G.A.1, Kolchina G.YU4., Tivas N.S.1, Karimov O.KH.5, Bakhtina A.YU.1, Rolnik L.Z.1
1Ufa State Petroleum Technological University, 450062, Ufa, Russia
ORCID: https://orcid.org/0000-0002-7267-1351, E-mail: Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.
ORCID: https://orcid.org/0000-0003-2328-6761, E-mail: Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.
2Kosygin Russian State University (Technology. Design. Art) 117997, Moscow, Russia
ORCID: https://orcid.org/0000-0002-7267-1351, E-mail: Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.
3LLC SBM Service Center, 119330, Moscow, Russia
ORCID: https://orcid.org/0000-0002-6798-0205, E-mail: Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.
4Sterlitamak branch of the Bashkir State University,
453103, Sterlitamak, Russia
ORCID: http://orcid.org/0000-0003-2808-4827, E-mail: Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.
5MIREA – Russian Technological University, 119454, Moscow, Russia
ORCID: https://orcid.org/0000-0002-0383-4268,  E-mail: Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.
ABSTRACT
The article is devoted to the analysis of plant and fossil natural resources, as a raw material base for obtaining new mineral products. Separate directions of wood process
ing products use are considered, the structure of the main components of wood is shown: cellulose, lignin, polysaccharides of wood hemicelluloses, extractive substances. Methods of processing wood and other plants, as well as by-products of production of pulp and paper industry are shown. The importance of many biopolymer-based composites for oil field chemistry and oil industry practice was noted.
KEYWORDS: wood, fractionation, synthesis and conversion, cellulose, starch, hemicellulose, lignin, biopolymers. extractive substances.
For citation: Movsumzade E.M., Chetvertneva I.A., Teptereva G.A., Kolchina G.Yu., Tivas N.S., Karimov O.Kh., Bakhtina A.Yu., Rolnik L.Z. MAIN COMPONENTS OF REDISTRIBUTION OF NATURAL PLANT RESOURCES. Prom. Proizvod. Ispol’z. Elastomerov, 2020, no. 3-4, pp. 56–66. (In Russ.).
DOI: 10.24412/2071-8268-2020-3-4-56-66.

 

 

Галерея

КОНТАКТЫ

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