Institute of Organoelement Compounds
of Russian Academy of Sciences
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Linear form of polyphenylsilsesquioxanes презентация
Содержание
- 1. Linear form of polyphenylsilsesquioxanes
- 2. Polyphenylsilsesquioxanes Main advantages: High thermal stability Х-ray
- 3. General types of Polyphenylsilsesquioxanes Random structure Ladder-like structure Cage-like structure
- 4. Previous work: Rebrov E.A., Muzafarov A.M.
- 5. Side reaction:
- 6. Method for obtaining of linear Polyphenylsilsesquioxane 29Si
- 7. Obtaining of linear polyphenylsilsesquioxane and investigating of
- 8. Summary: - Sodium polyphenylsilsqiuoxane was obtained by
- 9. Thank you for attention!
Polyphenylsilsesquioxanes Main advantages: High thermal stability Х-ray resistance Solubility in general organic solvents High refractive index Applications: Heat-resistant coatings Materials for optoelectronics Protective coatings for electronic devices Hydrophobic coatings
Слайд 1Linear form of polyphenylsilsesquioxanes
Temnikov Maxim, Cherkun Natalia, Zimovets Sofia, Muzafarov Aziz.
Moscow, Russia
A.N.Nesmeyanov
Слайд 2Polyphenylsilsesquioxanes
Main advantages:
High thermal stability
Х-ray resistance
Solubility in general organic solvents
High refractive index
Applications:
Heat-resistant
coatings
Materials for optoelectronics
Protective coatings for electronic devices
Hydrophobic coatings
Materials for optoelectronics
Protective coatings for electronic devices
Hydrophobic coatings
Слайд 3General types of Polyphenylsilsesquioxanes
Random structure
Ladder-like structure
Cage-like structure
Слайд 4Previous work:
Rebrov E.A., Muzafarov A.M. Monosodiumoxyorganoalkoxysilanes: Synthesis and properties, Heteroat. Chem.,
2006, 17, 6, 514– 541.
M. A. Obrezkova, N. G. Vasilenko, V. D. Myakushev and A. M. Muzafarov, Polym. Sci. Ser. B, 2009, 51, 457–464.
M. A. Obrezkova, A. A. Kalinina, I. V. Pavlichenko, N. G. Vasilenko, M. V. Mironova, A. V. Semakov, V. G. Kulichikhin, M. I. Buzin, and A. M. Muzafarov, Silicon 2014, 7, 2, 177–189
M. A. Obrezkova, N. G. Vasilenko, V. D. Myakushev and A. M. Muzafarov, Polym. Sci. Ser. B, 2009, 51, 457–464.
M. A. Obrezkova, A. A. Kalinina, I. V. Pavlichenko, N. G. Vasilenko, M. V. Mironova, A. V. Semakov, V. G. Kulichikhin, M. I. Buzin, and A. M. Muzafarov, Silicon 2014, 7, 2, 177–189
Слайд 6Method for obtaining of linear Polyphenylsilsesquioxane
29Si NMR-spectrum (in DMSO-d6) of product
of hydrolysis sodium phenyl(diethoxy)silanolate
Слайд 7Obtaining of linear polyphenylsilsesquioxane and investigating of products reaction
a
c
d
b
a
b
c
29Si NMR-spectrum
(in CDCl3) of product of interaction of sodium phenyl(diethoxy)silanolate with Me3SiCl
1H NMR-spectrum (in CDCl3) of product of interaction of sodium phenyl(diethoxy)silanolate with Me3SiCl
GPC - curve of product of interaction of sodium phenyl(diethoxy)silanolate with Me3SiCl
Ratio of SiPh/SiMe3 about 1/1
Слайд 8Summary: - Sodium polyphenylsilsqiuoxane was obtained by reaction sodium phenyl(diethoxy)silanolate with water -
Investigating of products reaction polysodium phenylsilsesqioxane with trimethylchloresilane was observe what it contain linear and cyclic molecules
