New Heat-Proof Methylphenylsiloxane Resins and High Temperature Resisting Enamels on Their Basis
O. G. Ryzhova *
State Scientific Center of the Russian Federation, Federal State Unitary Enterprise, State Research Institute for Chemistry and Technology of Organoelement Compounds, 38, shosse Entuziastov Moscow, Russia
A. M. Kontorov
State Scientific Center of the Russian Federation, Federal State Unitary Enterprise, State Research Institute for Chemistry and Technology of Organoelement Compounds, 38, shosse Entuziastov Moscow, Russia
A. N. Polivanov
State Scientific Center of the Russian Federation, Federal State Unitary Enterprise, State Research Institute for Chemistry and Technology of Organoelement Compounds, 38, shosse Entuziastov Moscow, Russia
R. S. Mirgazitova
Elkon JSC, 11 Kommunalnaya, Novocheboksarsk, Chuvash Republic, Russia
A. I. Katanaev
Elkon JSC, 11 Kommunalnaya, Novocheboksarsk, Chuvash Republic, Russia
*Author to whom correspondence should be addressed.
Abstract
New heat resistant methylphenylsiloxane resins produced by methyltriethoxysilane and oligophenylsilsesquioxane acidolysis were investigated. The synthesized resins are characterized by narrow molecular-mass distribution, higher thermal and thermal oxidative stability, reduced gelation period as compared to starting oligophenylsiloxane characteristics. Based on the produced resins high temperature resisting enamels with the improved properties: coating impact strength, heat resistance, proportional liquid (water, gasoline, industrial oil) action resistance were developed.
Keywords: Methylphenylsiloxane resins, oligosilsesquioxanes, thermal and thermal oxidative stability, 29Si, 1Н NMR spectroscopy, high temperature resisting enamels