Thermal redistribution reactions in crosslinked polysiloxanes
作者： V. Belot , R. J. P. Corriu , D. Leclercq , P. H. Mutin , A. Vioux
DOI: 10.1002/POLA.1992.080300413
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摘要: The thermolysis under argon of various polysiloxane resins containing D, T, DH, or TH units was investigated using thermogravimetric analysis combined with mass spectroscopy (TG/MS analysis) and solid-state 29Si-NMR. Redistribution reactions involving the exchange SiC/SiO bonds SiH/SiO were evidenced in addition to SiO/SiO reported date. These significantly modify initial siloxane lead an escape volatile silanes siloxanes. takes place at lower temperatures (300°C) than (500°C).
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