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2 572 688

(13)

(51)

IPC

C23C22/13(2006-01-01)

C23C22/18(2006-01-01)

C23C22/36(2006-01-01)

(21) (22)

Application

2014136855/02, 2014-09-10

(24)

Start date

2014-09-10

(22)

Actual filing date

2014-09-10

(45)

Published

2016-01-20

(72)

Inventor

Zhuravleva Svetlana LeonidovnaChumaevskij Oleg ViktorovichKress Julija ValentinovnaOdinokova Nadezhda IvanovnaKonivets Fedor Ral'Fovich

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo

SOLUTION FOR METAL SURFACE PHOSPHATING Russian patent published in 2016 - IPC C23C22/13 C23C22/18 C23C22/36

Abstract RU 2572688 C1

FIELD: chemistry.

SUBSTANCE: solution for metal surface phosphating contains, g/l: Zn²⁺ 4.55-8.0, P₂O₅ 7.8-14.0, NO₃ ^- 9.1-16.0, Mn²⁺ 1.17-2.8, Ni²⁺ 0.07-0.2, F^- 0.52-0.8, carboxylic acid 0.19-0.3, water - the remaining part, with ratio of Mn²⁺ ions to Zn²⁺ions constituting (0.257-0.615):(1.0-1.758). As carboxylic acid solution contains dioxysuccinic, oxalic or citric acid.

EFFECT: invention makes it possible to obtain finely crystalline phosphate film with optimal weight of phosphate coating at temperature of phosphating 55-70 degrees, and provides obtaining of coatings with high protective and wear-resistant properties.

2 cl, 2 tbl

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RU 2 572 688 C1

Authors

Zhuravleva Svetlana Leonidovna

Chumaevskij Oleg Viktorovich

Kress Julija Valentinovna

Odinokova Nadezhda Ivanovna

Konivets Fedor Ral'Fovich

Dates

2016-01-20—Published

2014-09-10—Filed