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(19)

(11)

2 570 455

(13)

(51)

IPC

C09C1/24(2006-01-01)

C09C1/28(2006-01-01)

C09C1/40(2006-01-01)

C09C1/02(2006-01-01)

C09D5/08(2006-01-01)

(21) (22)

Application

2014108580/05, 2014-03-05

(24)

Start date

2014-03-05

(22)

Actual filing date

2014-03-05

(45)

Published

2015-12-10

(72)

Inventor

Stepin Sergej NikolaevichSagbiev Il'Gizar RaffakovichGatijatullin Ajrat KhamitovichSafiullin Marsel' Il'Surovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Predprijatie

METHOD OF PRODUCING ANTICORROSION PIGMENT Russian patent published in 2015 - IPC C09C1/24 C09C1/28 C09C1/40 C09C1/02 C09D5/08

Abstract RU 2570455 C2

FIELD: chemistry.

SUBSTANCE: invention relates to protection of metals from corrosion using paint coats. The anticorrosion pigment is obtained from foundry electric furnace wastes - aspiration fines, containing the following, wt %: Fe₂O₃ 63.9-70.0, FeO 7.0-11.32, SiO₂ 8.9-16, Al₂O₃ 1.45-3.12. The aspiration fines are missed in dry form with brucite, natural magnesium hydroxide mineral, with the ratio of aspiration fines to brucite of 60-40:40-60 wt %, respectively. The obtained mixture is calcined for 3.5-5 hours at 550-650°C.

EFFECT: invention improves anticorrosion properties of the anticorrosion pigment and reduces power consumption on production by lowering the calcination temperature.

1 tbl, 28 ex

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RU 2 570 455 C2

Authors

Stepin Sergej Nikolaevich

Sagbiev Il'Gizar Raffakovich

Gatijatullin Ajrat Khamitovich

Safiullin Marsel' Il'Surovich

Dates

2015-12-10—Published

2014-03-05—Filed