Ru-assisted synthesis of graft copolymers based on 5-succinylcyclooctene

Авторы: Аджиева О.А., Денисова Ю.И., Кудрявцев Я.В.
Сборник: 4th International symposium “Modern trends in organometallic chemistry and catalysis” dedicated to the 100th anniversary of the academician M. E. Vol’pin and workshop “Organometallic chemistry frontiers”
Тезисы
Год издания: 2023
Аннотация: We develop a facile route toward block (including multiblock) and graft copolymers with various functionalgroups based on the reactions of ring-opening metathesis polymerization and macromolecular cross-metathesis.The presence of unsaturated C=C bonds in the main chain of the copolymers opens the way for theirfurther modification.In this study a number of 5-substituted cyclooctenes with ester groups are synthesized and then polymerizedto obtain novel graft copolymers with a hydrophobic backbone and hydrophilic pending groups. Ru-carbenecomplexes of Grubbs of I, II, and III generations are used as the initiators of the metathesis reaction. Adiscussion on the influence of the catalyst and substituent types on the solubility, chain structure, and thermaland surface characteristics of the obtained copolymers is presented. Water contact angle decreased from 97for polyoctenamer to 45 for tetraPEG-substituted one.
Добавил в систему: Аджиева Ольга Александровна

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