Synthesis of Low Molecular Weight Butadiene Polymers Using Cationic Catalytic Systems Based on Diethylaluminum Chloride Научная публикация
| Журнал |
Kinetics and Catalysis
ISSN: 0023-1584 , E-ISSN: 1608-3210 |
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| Вых. Данные | Год: 2023, Том: 64, Номер: 1, Страницы: 55-66 Страниц : 12 DOI: 10.1134/s0023158423010068 | ||||||
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Реферат:
The cationic polymerization of butadiene under the action of catalytic systems based on diethylaluminum chloride (AlEt2Cl) in combination with tertiary alkyl halides (AHs) such as tert-butyl chloride, tert-butyl bromide, and 2-chloro-2-methylbutane is found to be an efficient method for the preparation of fully soluble butadiene polymers at a technologically convenient process temperature of 20°C. It is shown that with an increase in the duration of butadiene polymerization process, the weight-average molecular weights and polydispersity of the polymer increase significantly with a simultaneous decrease in the unsaturation of polybutadiene, which is associated with the transfer reaction of the growing chain to the double bond of the polymer during polymerization. A 13C NMR spectral study showed that the macromolecules of polybutadiene synthesized on the AlEt2Cl–tert-butyl chloride catalytic system consist mainly of 1,4-trans units and contain two types of initial tert-butyl units and two types of end chlorine-containing units formed as a result of the transfer reaction of the growing chain to tert-butyl chloride. Based on the data of 13C NMR spectra of polybutadiene, a method for calculating butadiene conversion during polymerization is developed, and a mechanism of the process of cationic polymerization of butadiene is proposed. It is shown that the synthesized “cationic” polybutadiene is characterized by high film-forming properties and can be a promising component in the production of paints and varnishes.
Библиографическая ссылка:
Rozentsvet V.A.
, Ulyanova D.M.
, Sablina N.A.
, Brunilin R.V.
, Tolstoy P.M.
Synthesis of Low Molecular Weight Butadiene Polymers Using Cationic Catalytic Systems Based on Diethylaluminum Chloride
Kinetics and Catalysis. 2023. V.64. N1. P.55-66. DOI: 10.1134/s0023158423010068 WOS Scopus РИНЦ CAPlusCA OpenAlex
Synthesis of Low Molecular Weight Butadiene Polymers Using Cationic Catalytic Systems Based on Diethylaluminum Chloride
Kinetics and Catalysis. 2023. V.64. N1. P.55-66. DOI: 10.1134/s0023158423010068 WOS Scopus РИНЦ CAPlusCA OpenAlex
Оригинальная версия:
Розенцвет В.А.
, Ульянова Д.М.
, Саблина Н.А.
, Брунилин Р.В.
, Толстой П.М.
Синтез низкомолекулярных полимеров бутадиена с использованием катионных каталитических систем на основе диэтилалюминийхлорида
Кинетика и катализ. 2023. Т.64. №1. С.65-77. DOI: 10.31857/S0453881123010069 РИНЦ OpenAlex
Синтез низкомолекулярных полимеров бутадиена с использованием катионных каталитических систем на основе диэтилалюминийхлорида
Кинетика и катализ. 2023. Т.64. №1. С.65-77. DOI: 10.31857/S0453881123010069 РИНЦ OpenAlex
Даты:
| Поступила в редакцию: | 25 апр. 2022 г. |
| Принята к публикации: | 17 июл. 2022 г. |
| Опубликована в печати: | 1 февр. 2023 г. |
| Опубликована online: | 14 июн. 2023 г. |
Идентификаторы БД:
| Web of science: | WOS:001010587400006 |
| Scopus: | 2-s2.0-85162002411 |
| РИНЦ: | 54499858 |
| Chemical Abstracts: | 2023:1256576 |
| Chemical Abstracts (print): | 183:368339 |
| OpenAlex: | W4380550826 |