Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
High-temperature platinum-catalyzed hydrosilylation and dehydrocoupling cross-linking of silicones. / Филиппова, Софья Сергеевна; Дерябин, Константин Валерьевич; Головенко, Екатерина Алексеевна; Байков, Сергей Валентинович; Антонов, Никита Сергеевич; Боярский, Вадим Павлович; Исламова, Регина Маратовна.
в: Applied Organometallic Chemistry, 07.09.2023, стр. e7249.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - High-temperature platinum-catalyzed hydrosilylation and dehydrocoupling cross-linking of silicones
AU - Филиппова, Софья Сергеевна
AU - Дерябин, Константин Валерьевич
AU - Головенко, Екатерина Алексеевна
AU - Байков, Сергей Валентинович
AU - Антонов, Никита Сергеевич
AU - Боярский, Вадим Павлович
AU - Исламова, Регина Маратовна
PY - 2023/9/7
Y1 - 2023/9/7
N2 - We propose to use the platinum(II) C , N ‐cyclometalated complex (PCC) to catalyze the hydrosilylation and dehydrocoupling reactions of high molecular weight polysiloxanes at elevated temperatures (above 100°C). PCC was prepared via a three‐step procedure consisting of the 2‐hydrazinopyridine synthesis, its treatment with 3‐methoxy‐4‐(prop‐2‐yn‐1‐yloxy)benzaldehyde, and coupling of the obtained product with cis ‐[PtCl 2 (CNXyl) 2 ]. This complex exhibits thermal stability up to 150°C even at heating in air. PCC allows carrying out the cross‐linking of vinyl‐terminated polydimethylsiloxane (V‐PDMS) and polymethylhydrosiloxane (PMHS) by hydrosilylation, as well as PMHS dehydrocoupling cross‐linking at 150 and 120°C, respectively. The coupling (cross‐linking) patterns were successfully confirmed by 1 H, 13 C, and 29 Si solid‐state NMR spectroscopy. The thermal and swelling characteristics and the transparency of the obtained silicone materials indicate the absence of aggregation of platinum particles.
AB - We propose to use the platinum(II) C , N ‐cyclometalated complex (PCC) to catalyze the hydrosilylation and dehydrocoupling reactions of high molecular weight polysiloxanes at elevated temperatures (above 100°C). PCC was prepared via a three‐step procedure consisting of the 2‐hydrazinopyridine synthesis, its treatment with 3‐methoxy‐4‐(prop‐2‐yn‐1‐yloxy)benzaldehyde, and coupling of the obtained product with cis ‐[PtCl 2 (CNXyl) 2 ]. This complex exhibits thermal stability up to 150°C even at heating in air. PCC allows carrying out the cross‐linking of vinyl‐terminated polydimethylsiloxane (V‐PDMS) and polymethylhydrosiloxane (PMHS) by hydrosilylation, as well as PMHS dehydrocoupling cross‐linking at 150 and 120°C, respectively. The coupling (cross‐linking) patterns were successfully confirmed by 1 H, 13 C, and 29 Si solid‐state NMR spectroscopy. The thermal and swelling characteristics and the transparency of the obtained silicone materials indicate the absence of aggregation of platinum particles.
UR - https://onlinelibrary.wiley.com/doi/10.1002/aoc.7249
UR - https://www.mendeley.com/catalogue/548c4d46-1ed1-3636-b610-3d5d7cdf8f29/
U2 - 10.1002/aoc.7249
DO - 10.1002/aoc.7249
M3 - Article
SP - e7249
JO - Applied Organometallic Chemistry
JF - Applied Organometallic Chemistry
SN - 0268-2605
M1 - e7249
ER -
ID: 110650336