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(19)

RU

(11)

2 767 236

(13)

C1

(51)

IPC

C04B35/44(2006-01-01)

C04B35/622(2006-01-01)

D01F9/10(2006-01-01)

(21) (22)

Application

2021111612, 2021-04-23

(24)

Start date

2021-04-23

(22)

Actual filing date

2021-04-23

(45)

Published

2022-03-17

(72)

Inventor

Shcherbakova Galina IgorevnaAbramov Oleg NikolaevichShaukhin Maksim KonstantinovichKrivtsova Natalya SergeevnaVarfolomeev Maksim SergeevichStorozhenko Pavel Arkadevich

(73)

Holder

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

METHOD FOR OBTAINING GARNET FIBERS MODIFIED WITH CHROMIUM Russian patent published in 2022 - IPC C04B35/44 C04B35/622 D01F9/10 

Abstract RU 2767236 C1

FIELD: polymer production.

SUBSTANCE: invention relates to a method for producing chromium-modified garnet fibers. Polymer fibers are formed at 160-200°C from fiber-forming organochromiumoxane yttriumoxane aluminumoxane oligomers with a molar ratio of Al:Y = 1.5-2.5 and Al:Cr=100-250. Further step-by-step heat treatment at 900°C in an atmosphere of nitrogen or argon and 1200-1500°C in an atmosphere of air leads to the formation of ceramic garnet fibers modified with chromium, with a diameter of 10 to 150 microns.

EFFECT: expansion of the range of solutions for obtaining chromium-modified garnet fibers.

1 cl, 1 ex, 5 dwg

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RU 2 767 236 C1

Authors

Shcherbakova Galina Igorevna

Abramov Oleg Nikolaevich

Shaukhin Maksim Konstantinovich

Krivtsova Natalya Sergeevna

Varfolomeev Maksim Sergeevich

Storozhenko Pavel Arkadevich

Dates

2022-03-17—Published

2021-04-23—Filed

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