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2 755 706

(13)

(51)

IPC

C08G79/10(2006-01-01)

C08G79/14(2006-01-01)

C04B35/44(2006-01-01)

C07F19/00(2006-01-01)

(21) (22)

Application

2020121970, 2020-07-02

(24)

Start date

2020-07-02

(22)

Actual filing date

2020-07-02

(45)

Published

2021-09-20

(72)

Inventor

Shcherbakova Galina IgorevnaPokhorenko Anastasiya SergeevnaVarfolomeev Maksim SergeevichStorozhenko Pavel Arkadevich

(73)

Holder

Aktsionernoe Obshchestvo Ordena Trudovogo Krasnogo Znameni Nauchno-Issledovatelskij Institut Khimii I Tekhnologii Elementoorganicheskikh Soedinenij"

METHOD FOR SYNTHESIS OF ORGANOMETALLOXANE MAGNESIUM OXANE ALUMINOXANES Russian patent published in 2021 - IPC C08G79/10 C08G79/14 C04B35/44 C07F19/00

Abstract RU 2755706 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a method for synthesis of organometalloxane magnesium oxane aluminoxanes. The method consists in an interaction of polyalkoxy aluminoxanes with magnesium acetylacetonate by the formula {[CH₃(O)CCH=C(CH₃)O]₂Mg} and a refractory metal acetylacetonate {[CH₃(O)SSN=C(CH₃)O]₄M, wherein M=Zr, Hf, or [CH₃(O)SSN=C(CH₃) O]₃Cr} in an organic solvent medium at a temperature of 50 to 70°C followed by distillation of the solvent first at atmospheric pressure and then at a reduced pressure and temperature of up to 170°C.

EFFECT: proposed method provides a possibility to obtain organometalloxane magnesium oxane aluminoxanes applicable as precursors of high-purity, high-heat-resistant binary ceramics based on aluminium and magnesium oxides modified with oxides of zirconium, hafnium or chromium refractory metals.

1 cl, 8 dwg, 2 tbl, 1 ex

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RU 2 755 706 C1

Authors

Shcherbakova Galina Igorevna

Pokhorenko Anastasiya Sergeevna

Varfolomeev Maksim Sergeevich

Storozhenko Pavel Arkadevich

Dates

2021-09-20—Published

2020-07-02—Filed