a modified polymer as result of a bulk functionalization of polyamide 46 is presented , as well as methods for synthesizing the modified polymer . this functionalization of pa 46 is performed to provide a homogenous semi - permeable polyamide 46 capable of different charges and different porosities with particles of nanoscale size in order to replace or improve other polyamide fibers used in the textile industry , filtering processes , selective sorption , controlled release devices , phase transfer catalysts , chromatography media , biocompatible capsules , artificial skins , organs , bone void repair as well as in cell bioreactors and incubators , dental implements , medical devices , clothing , detectors , perfusion devices , in regenerative medicine , and fuel cells .