RUST CONVERTER AND METHOD OF ITS PRODUCTION Russian patent published in 2019 - IPC C09D5/08 C09D109/08 

Abstract RU 2693764 C1

FIELD: paint industry.

SUBSTANCE: group of inventions relates to the paint industry and can be used to protect rust-contaminated metal surfaces. Rust converter contains components at following ratio, wt%: latex SKS-65 GP – 16–17.7; aqueous tannin solution – 7.7–9; oxalic acid – 1.9–2.4; water – the rest up to 100%. For preparation latex is loaded into mixing device at mixer rpm – 110–140 rpm and temperature of 25–35 °C. Gradually add tannin solution to latex with minimum mixing time of 20 minutes. A solution of oxalic acid is added to the obtained mixture at a minimum mixing time of 8 minutes.

EFFECT: improved adhesion properties and physical and mechanical properties of the protective film, shorter acquisition time.

4 cl, 2 tbl

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RU 2 693 764 C1

Authors

Petrov Anton Vladimirovich

Davydov Vadim Vladimirovich

Dates

2019-07-04Published

2018-09-07Filed