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Research on the influence of parameters on hexafluoropropylene oxide oligomerization in the presence of complex amines Oligomers of hexafluoropropylene oxide were tested as potential materials for obtaining vari-ous compounds with unique properties, of which most important are chemical and thermal re-sistance. Two basic parameters influence the oligomerization process of hexafluoropropylene oxide: the type of the catalyst and the type of the solvent. Other parameters such as temperature and pressure have significantly less influence. The influence of tertiary amines as catalyst, the type of the solvent, temperature, pressure and catalyst concentration were tested in the process of hexafluoropropylene oxide oligomerization.