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Analiza recikliranja polietilena visoke gostote s primesmi funkcionalnih dodatkov : magistrsko delo magistrskega študijskega programa II. stopnje Strojništvo
Zakšek, Ana, strojnica
Zaradi vse večjega kopičenja odpadnih polimernih materialov je postalo globalno vprašanje, kako jih reciklirati in pri tem ohraniti njihove pomembne mehanske lastnosti. Polietilen visoke gostote ...(HDPE) predstavlja velik del našega vsakdanjika. V magistrski nalogi smo raziskovali, ali se recikliranemu materialu HDPE po večkratnem injekcijskem brizganju in ponovnem recikliranju spremenijo mehanske lastnosti, predvsem natezna trdnost, in termične lastnosti, kot so temperatura taljenja, kristalizacije ter njuni entalpiji. Natezno trdnost smo preverjali z nateznim preizkusom. Termične lastnosti polimera, kot so temperatura taljenja, kristalizacije, njuni entalpiji in stopnja kristalizacije, smo analizirali z metodo diferenčne dinamične kalorimetrije (DSC). Pri tem smo ugotovili, da se natezna trdnost in termične lastnosti po desetih brizganjih pri izbranih parametrih ne spremenijo za več kot 10 % v primerjavi z osnovnim materialom.
Type of material - master's thesis
; adult, serious
Publication and manufacture - Ljubljana : [A. Zakšek], 2021
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