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Ezerskaya A.A., Pivovar M.L.
Determining optimal conditions for the postprocessing of products obtained by 3D-printing
Vitebsk State Order of Peoples’ Friendship Medical University, Vitebsk, Republic of Belarus

Vestnik VGMU. 2019;18(2):96-101.

Objectives. To study the effect of various organic solvents on products obtained using 3D-printing; to determine the optimal conditions for postprocessing of these products.
Material and methods. In the study polylactide and acrylonitrile-butadiene-styrene products were used. Organic solvents were represented by various classes of organic compounds (saturated monohydric alcohols, ethers, esters, alkyl halides, saturated ketones, saturated hydrocarbons, arenes, nitriles, amides, heterocyclic compounds, sulfoxides). The method of this study was modelling of the postprocessing of 3D-parts from different plastics printed using FDM technology. At the first phase we dissolved the part by immersing it in an organic solvent. At the second phase we dissolved the surface layers of the part in vapors of an organic solvent.
Results. The effect of more than 20 organic solvents on products from different plastics was studied. The most suitable solvents for the postprocessing of parts from polylactide – 1,2-dichloroethane and chloroform were established. The time for the postprocessing of the products and the quality of the obtained part were determined. The organic solvents that were most acceptable for the postprocessing of components from acrylonitrile-butadiene-styrene included methylene chloride, chloroform and acetone.
Conclusions. The review of the use of 3D-printing in medicine and pharmacy has been done; the article indicates the most promising directions of the 3D-printing use. As a result of experimental work, a model of the postprocessing of products printed with a 3D-printer using FDM technology has been developed. The most suitable solvents for the above-mentioned purposes have been established.
Key words: additive technologies, PLA-plastic, ABS-plastic, organic solvents.


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Information about authors:
Ezerskaya A.A. – applicant for a Master’s degree of the Chair of Toxicological & Analytic Chemistry, Vitebsk State Order of Peoples’ Friendship Medical University;
Pivovar M.L. – Candidate of Pharmaceutical Sciences, associate professor of the Chair of Toxicological & Analytic Chemistry, Vitebsk State Order of Peoples’ Friendship Medical University.

Correspondence address: Republic of Belarus, 210009, Vitebsk, 27 Frunze ave., Vitebsk State Order of Peoples’ Friendship Medical University, Chair of Toxicological & Analytic Chemistry. E-mail: Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра. – Mikhail L. Pivovar.

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