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High efficiency rust converter

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOBG20201217001
Publicado:
04/01/2021
Caducidad:
05/01/2022
Resumen:
Bulgarian research team has developed a multi-component rust converter with active components. The product converts the rust in high valence oxides and phosphates of iron covering the surface with protective film. The latter performs two functions - barrier-shielding and as a primer for sequential deposition of paint coatings. The research team is looking for collaboration with manufacturing companies for commercialization of the product via a commercial agreement with technical assistance.

Details

Tittle:
High efficiency rust converter
Summary:
Bulgarian research team has developed a multi-component rust converter with active components. The product converts the rust in high valence oxides and phosphates of iron covering the surface with protective film. The latter performs two functions - barrier-shielding and as a primer for sequential deposition of paint coatings. The research team is looking for collaboration with manufacturing companies for commercialization of the product via a commercial agreement with technical assistance.
Description:
The proposed rust converter, elaborated by two Bulgarian research organizations is a multi-component mixture in a liquid phase, the latter containing some organic and inorganic compounds and a small amount of water. The active rust converting agents are inorganic salts with adsorption-oxidizing activity and complex agents. The presence of selected organic compounds greatly increases the wettability of the rusted surface which allows the penetration of the converter into the finest pores and micro-cracks of the rusty mass thus ensuring complete interaction with it, as well as complete rust-conversion process and excellent adhesion to the metal, respectively.
For a short period of time (several hours), the rust existing on the surface of the ferrous metals and alloys is transformed (converted) in the form of higher oxides and phosphates of iron, the latter being insoluble and resistant covering the surface with a dark protective film with high adhesion properties.
The resulting protective surface film can perform two basic functions - barrier-shielding against the corrosion aggressiveness and being in fact a reliable primer for sequential deposition of different polymeric or other decorative and protective coatings.
The composition could be imposed as a relatively new generation in the group of converters and complies with the requirements for better corrosion resistance and protective ability.
It can be used in the energetic, engineering, metallurgy, chemical and ore mining, for different constructions in the civil engineering, in the transport industry, agriculture, army and others.
The team members offer technical co-operation to engineering and manufacturing companies interested in the rust converter production and commercialization. The proposed collaboration type is commercial agreement with technical assistance.
Advantages and Innovations:
In general, the innovative aspects as well as the economic and technology advantages and benefits of the offered technology could be summarized as follows:
Temperature resistance - up to + 150 °C;
Cold resistance - up to - 40 °C;
Corrosion resistance of the converted layer in 3% NaCl solution at 20 °C - not less than 10 days without any visual damage on the treated surface;
Consumption rate - from 50 to 100 ml/m2 (depending on the amount of the rust appeared on the corroded metal surface);
Method of application - with a soft cloth, brush or spray gun at a temperature of about 18 - 25 °C.
The practical application is easy depending on the type and size of the protected constructions/details. The latter will ensure long durability of the system with subsequent economic, environmental and humanitarian advantages - for example prevention of accidents (destruction of bridges, buildings etc.) with possible human sacrifices.
Stage of Development:
Prototype available for demonstration
IPs:
Secret Know-how

Partner sought

Type and Role of Partner Sought:
The research team is interested in finding manufacturing companies interested in the rust converter production and commercialization.
The cooperation with the partners will be managed within a commercial agreement with technical assistance.

Client

Type and Size of Client:
R&D Institution
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
Bulgarian
English
German
Russian

Keywords

Technology Keywords:
02002004 Erosión, eliminación (electroerosión, corte con llama, láser...)
02002002 Recubrimientos
02002015 Surface treatment (painting, galvano, polishing, CVD, ..)