Journal
MENDELEEV COMMUNICATIONS
Volume 32, Issue 2, Pages 164-166Publisher
ELSEVIER
DOI: 10.1016/j.mencom.2022.03.003
Keywords
polycondensation; active media; MQ resins; MQ copolymers; organosiloxanes
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Funding
- Ministry of Science and Higher Education of the Russian Federation (Grant of the Government of the Russian Federation) [14.W03.31.0018, 075-15-2021-622]
- Russian Foundation for Basic Research [19-29-13028]
- Ministry of Science and Higher Education of the Russian Federation [FFSM-2021-0004]
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MQ resins were prepared using dimethylphenyl- or methyldiphenylethoxysilane as the M-components and tetraethoxysilane as the Q-component. The prepared samples were soluble in organic solvents and the new MQ resins with phenyl substituents may have improved compatibility compared to traditional MQ resins.
MQ resins have been prepared in acetic acid as an active medium from dimethylphenyl- or methyldiphenylethoxysilane as the M-components and tetraethoxysilane as the Q-component. All prepared samples with M/Q ratios of 1 : 1, 1 : 1.5, 1 : 2, 1 : 3, and 1 : 4 were well soluble in organic solvents like toluene and THF. Compared to MQ resins with trimethylsilyl group as the M-component, the new MQ resins with phenyl substituents may possess improved compatibility to thermoplastic polymers, rubbers and coating formulations.
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