Partnering opportunity

Environmentally-friendly glycerol-based low-freezing point liquids with potential use as antifreezes for motor vehicles, or heat transfer liquids for solar heating systems, etc...


An academic research institution from Bulgaria, with a strong background in organic chemistry and interdisciplinary research, has developed non-toxic liquids with low freezing points, containing glycerol and several additives - novel corrosion inhibitors, bactericides, antioxidants, etc., depending on their intended use. The Institute is interested in all types of cooperation to further develop custom tailored and specialty products based on these formulations, and to extend their potential use,

Partner sought

The Institute welcomes cooperation with companies (SME or larger) with experience in production of antifreeze and heat transfer liquids and with expertise in development of similar products. The researchers can offer specific antifreeze formulations for different application conditions. Bulgarian academic research institute also seeks interaction with R&D Institutions.


An academic research organization, with main interests in the field of organic chemistry, has developed non-toxic liquids with low freezing points, containing glycerol and various additives, novel corrosion inhibitors, bactericides, antioxidants, etc., depending on their intended use. Glycerol-containing antifreezes have recently attracted much attention, because glycerol has become readily available as a by-product in biodiesel production. Unlike ethylene glycol, glycerol is not toxic and less aggressive to metal surfaces. Depending on the diverse performance requirements for antifreezes with different intended use, liquids with custom tailored formulations have been proposed. The additives are new environmentally-friendly corrosion inhibitors, wetting agents, bactericides, antioxidants, accelerators, dyes. The Institute has long standing experience in assisting various businesses with innovative know-how for problem solving and novel technologies in various industries, including the implementation. The institute provides the equipment required and the premises for performing research and testing. Partners are invited for a research cooperation in order to develop environmentally friendly non-toxic antifreezes for different intended uses, for custom-tailored products, and for the manufacturing thereof.

Advantages and innovations

Main advantages of glycerin antifreezes are that: - they are non-toxic. - the waste product from biodiesel production – glycerol, is utilized. By carefully selecting antifreeze additives, custom tailored products can be produced and аn optimal ratio between the desired properties and the cost of the products can be achieved.

Development stage

Prototype available for demonstration

Intellectual Property Rights (IPR)

Secret Know-how

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