Technological Principles of Regulating the Kinetics of Carbon Fiber Reinforced Plastic Curing Process Under Conditions of Difficult Temperature Programs

Protsenko, Alexander E.; Telesh, V. V.; Malysheva, Daria P.

doi:10.1007/978-3-030-69421-0_27

Cited by 2 publications

(2 citation statements)

References 18 publications

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“…Thermoset epoxies, polyesters, and epoxy vinyl ester (EVE) binders are commonly used in a wide range of industrial applications due to their excellent mechanical and chemical properties, thermal stability, and adhesion strength. These polymers are especially used as matrices for polymer composite materials such as fiberglass reinforced plastics (FGRP) [1][2][3] and carbon fiber reinforced plastics (CFRP) [4][5][6][7][8]. The automotive [9], marine [10][11][12], wind energy [13,14], aviation [15,16], and space [5] sectors are the major consumers of these materials.…”

Section: Introductionmentioning

confidence: 99%

Coordination Compound (2,3,5-Triphenyltetrazolium)2[CuBr4] as Catalyst for the Curing Process of Epoxy Vinyl Ester Binders

Protsenko,

Shakirova

et al. 2023

IJMS

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This article presents a study on the synthesis and catalytic properties of copper complex (TPhTz)2[CuBr4] (here TPhTz is 2,3,5-triphenyltetrazolium). The obtained complex was characterized by various spectroscopic methods. The catalytic properties of the complex were evaluated in the curing of an epoxy vinyl ester system and their effectiveness was compared with that of cobalt octoate (its synonyms are known as Co(Oct)2, cobalt(II) 2-ethylhexanoate, cobalt isocaprylate, etc.). The catalyst was added at an amount of 2 w.%. The results showed that a 8 w.% solution of the complex provides catalytic properties with an activation energy of 54.7 kJ/mol, which is 25.2 kJ/mol higher than a standard curing system with Co(Oct)2. Thus, the solution of (TPhTz)2[CuBr4] in THF/DMSO accelerates the initiator decay process at room temperature, but for a longer time. The authors suggest that the curing mechanism may be accelerated by the appearance of (TPhTz)2[CuIBr3] and free bromine in the system. A strength test of fiberglass-reinforced plastic revealed that the addition of this complex did not lead to a decrease in flexural strength and hardness. Thus, use of the complex allowed for the production of polymer composite products using vacuum-assisted resin transfer molding where an extended injection time was needed.

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Section: Introductionmentioning

confidence: 99%

Coordination Compound (2,3,5-Triphenyltetrazolium)2[CuBr4] as Catalyst for the Curing Process of Epoxy Vinyl Ester Binders

Protsenko,

Shakirova

et al. 2023

IJMS

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show abstract

“…Данный метод характеризуется простотой аппаратурного оформления и по результатам ряда исследователей позволяет эффективно удалять полимерную матрицу с поверхности наполнителя композита. Большую эффективность данный метод представляет для углепластиков, так как стоимость углеродных нитей высока и восстановленное волокна обладает большей остаточной прочность по сравнению с другими наполнителями [10,11].…”

Section: Introductionunclassified

INVESTIGATION OF EPOXY VINYL ESTER thermosetting polymer PYROLYSIS AND THE POSSIBILITY DECOMPOSITION PRODUCTS USe

Люхо,

Проценко,

Проценко

et al. 2023

Южно-Сибирский Научный Вестник

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Современные темпы производства и потребления продуктов полимерной промышленности ежегодно создают все большее количество трудноперерабатываемых отходов полимерных производств. Наиболее популярным методом утилизации твердых бытовых отходов и отходов полимерных производств является сжигание и захоронение. Данные методы создают повышенную экологическую нагрузку на окружающую среду, выделяемые парниковые газы и токсичные продукты разложения загрязняют прилежащие районы. Данная работа посвящена исследованию процесса утилизации отходов полимерных композитов с использованием метода низкотемпературного пиролиза. С помощью методов термического анализа были установлены температурные режимы процесса пиролиза: 400, 450 и 500 °С. Установлен количественный и качественный состав продуктов пиролиза. Выявлена температурная и зависимость, благодаря которой можно получать разное количество целевых компонентов. При проведении термической деструкции при температуре 500 °С был получен широкий спектр продуктов, представляющих ценность для химической технологии. Относительно других температурных режимов, содержание бензола в пирожидкости, полученной при 500 °С, увеличилось на 21,25 %, толуола снизилось на 11,35 %. В дальнейшем, пиролизная жидкость подвергалась очистке от кислых соединений, посредством добавления двухкратного объема 17 % раствора NaOH. Очищенная пирожидкость вводилась в различных соотношения в дизельное топливо. Изучено влияние полученных продуктов на цетановое число дизельного топлива. Установлено, что 1 % пирожидкости добавленный в дизельное топливо, повышает его цетановое число на 2,7 единицы. Modern rates of production and consumption of products of the polymer industry annually create an increasing amount of hard-to-recycle waste of polymer production. The most popular method of recycling waste from polymer production and solid household waste is incineration and disposal. These methods create an increased environmental burden on the environment, emitted greenhouse gases and toxic decomposition products pollute the surrounding areas. This work is devoted to the study of the process of recycling waste polymer composites using the method of low-temperature pyrolysis. With the help of thermal analysis methods, the temperature limits of the experiment were established and the optimal temperature regime for the pyrolysis process was selected. Quantitative and qualitative composition of pyrolysis products has been established. A temperature and dependence has been revealed, due to which it is possible to obtain a different amount of target components. During thermal destruction at a temperature of 500 °C, a wide range of products of value for chemical technology was obtained. Relative to other temperature regimes, the content of benzene increased by 21.25 %, toluene decreased by 11.35 %. Subsequently, the pyrolysis liquid was purified from acidic compounds by adding a double volume of 17 % NaOH solution. Purified pyrofluid was introduced into diesel fuel in various ratios. The effect of the obtained products on the cetane number of diesel fuel has been studied. It has been established that 1 % pyrofluid added to 100 ml of diesel fuel increases its cetane number by 2.7 units.

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Technological Principles of Regulating the Kinetics of Carbon Fiber Reinforced Plastic Curing Process Under Conditions of Difficult Temperature Programs

Cited by 2 publications

References 18 publications

Coordination Compound (2,3,5-Triphenyltetrazolium)2[CuBr4] as Catalyst for the Curing Process of Epoxy Vinyl Ester Binders

Coordination Compound (2,3,5-Triphenyltetrazolium)2[CuBr4] as Catalyst for the Curing Process of Epoxy Vinyl Ester Binders

INVESTIGATION OF EPOXY VINYL ESTER thermosetting polymer PYROLYSIS AND THE POSSIBILITY DECOMPOSITION PRODUCTS USe

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