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proionic news
Spotlight on proionic´s sugar mold patent application

Low-melting metals like bismuth are used as lost molding cores in the refractory industry, because of their beneficial mechanical properties. Besides the high costs and heavy weight, these metals are difficult to recycle and critical in terms of toxicology and disposal. Together with proionic´s partner RHI Magnesita a new solution was developed to replace bismuth with a more sustainable and cheaper solution (for details see WO2020127980 “Mold Composition Comprising a Sugar Component“). The final lost core material utilizes sugars as base components, in combination with carefully selected fillers; at an optimized formulation the characteristics of the new solution are superior compared to conventional mold materials like bismuth. The inexpensive, non-toxic, and lightweight sugar solution shows better results in terms of hardness and recyclability. Compared to other possible lost core materials such as various waxes or thermoplastics, the sugar-based lost cores are mechanically superior and are easier to remove, due to the significantly better rheology and freedom from residue in the melting-out process; this makes them more suitable for sophisticated and complex lost core structures and cavities.
Lost cores made of sugars, containing different amounts of filler materials.

Roland Kalb, Executive Director R&D & Founder:
“We started investigating frozen ionic liquids as lost core materials and had some issues with hardness and hygroscopicity. Since our eyes and minds are always open for the best solution, we ended up with a sugar-based solution. The developed material could be a game-changer and is applicable in many industries, including the refractory industry!”
Give us a call or send us an email.
To learn more about proionic´s sugar patent please contact
Markus Damm
Head of R&D
T: +43 (664) 889 339 43
OEKO-TEX® ECO PASSPORT for the second proionic IL - 1-Ethyl-3-methylimidazolium octanoate
In addition to 1-ethyl-3-methylimidazolium acetate (EMIM-OAc), the second proionic product, 1-ethyl-3-methylimidazolium octanoate (EMIM-OOc), has now also been successfully certified in accordance with OEKO-TEX® ECO PASSPORT. By this, our two 'bestsellers', which are used for fiber production, have been certified accordingly.
ECO PASSPORT is a system with which manufacturers and suppliers of textile and leather chemicals, dyes and auxiliaries can prove that their products can be used in ecologically sustainable production. The certificate stands for the responsible use of chemicals and thus for the protection of people and the environment.

Vanessa Csitkovits, Marketing and Communication:
“With the ECO PASSPORT certification of our ionic liquids, we can prove that proionic supplies products, that can be used in ecologically sustainable textile and leather production. This is a logical prerequisite for greener and forward-thinking textile production.”
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For any questions concerning marketing relevant information of proionic`s products please contact
Vanessa Csitkovits
Marketing and Communication
AbSorbEnt – Development of a new generation of sorbents for absorption heat pumps and optimization of the absorption heat pump cycle 

A productive and successful kick off meeting of our new project “AbSorbEnt” took place at Graz University of Technology mid of October. The consortium consisting of partners from Graz University of Technology (Institute of Thermal Engineering & Institute of Chemical Engineering and Environmental Technology), EAW Energieanlagenbau GmbH Westenfeld, and proionic is looking forward to a fruitful cooperation.
Aim of the project is to develop ionic liquids (IL) and deep eutectic solvents (DES) that can replace the currently used Lithium bromide (LiBr). The costs for LiBr increased significantly over the last years and the maintenance effort in LiBr systems is high due to crystallization of the absorbent and corrosion issues. By using ILs or DES the mentioned limitations should be eliminated, in addition, the consortium aims to significantly increase the operating temperature of the absorption heat pumps which can be realized because of the high thermal stability of ILs and DES, respectively.

Ao. Univ.-Prof. René Rieberer (Institute of Thermal Engineering, Consortium leader):
“We are very happy that we received a funding from the FFG for this project! I personally think that we will be able to achieve a sustainable project success because of our diverse and experienced team. We are looking forward to the cooperation!”

This project is funded by the FFG (project no.: FO999905735) with funds from the climate and energy fund and is carried out as part of the Energy Research program 2022.
Give us a call or send us an email.
To learn more about IL applications in the field of sorbents for absorption heat pumps please contact  
Markus Damm
Head of R&D
T: +43 (664) 889 339 43
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