id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-9679	Efmertová, Marcela	Czechoslovakia/Czech Republic as a leader in polymer technologies in Central Europe: from contact lenses to 3D printing	2024	11	.pdf	application/pdf	8642	535	56	Josef Průša and filaments for 3D printing The second distinguished personality active in the sphere of Czech polymers, not in the sense of their scientific research but rather their practical applica- tions, is the young Czech entrepreneur Josef Průša 10Elaborated according to a touring exhibition Otto Wichterle at the OPTA Trade Fair, 24.–26. The Research by Otto Wichterle during World War II At that time, while working on the subjects connected with his habilitation, namely during prepanation of crotonaldehydacental, he prepared rubber as a byprod- uct – the very first synthetic polymer Wichterle pro- duced.	cache/ap-9679.pdf	txt/ap-9679.txt