Faculty of Mechanical Engineering, Lj. (FSLJ)
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Vpliv recikliranja HDPE na materialne lastnosti polimernega izdelka : zaključna naloga Univerzitetnega študijskega programa I. stopnje Strojništvo - Razvojno raziskovalni programCapuder, ŽigaZaradi splošne uporabnosti polimernih izdelkov narašča njihova uporaba, s tem pa se povečuje tudi število odpadkov. V skrbi za okolje želimo čim več odpadkov reciklirati, vendar to vpliva na ... materialne lastnosti polimerov. V okviru zaključne naloge smo se osredotočili na polietilen visoke gostote (HDPE) in pregledali vpliv recikliranja na mehanske, termične in tokovne lastnosti za mešanice surovega in večkrat recikliranega HDPE. Analizirane so bile mešanice surovega in 10x, 30x, 50x in 100x recikliranega materiala. Pri tem so bile v okviru te naloge opravljene meritve tokovnih lastnosti za vzorce z dodanim 10x in 30x recikliranim materialom, ostali rezultati pa so bili pridobljeni iz predhodno opravljenih nalog. Opravili smo amplitudne, frekvenčne in tokovne teste na rotacijskem reometru. Recikliranje skoraj nima vpliva na temperaturo taljenja in kristalizacije, drugače pa je pri stopnji kristaliničnosti. Ta se zmanjšuje s povečevanjem deleža recikliranega materiala in povečevanjem ciklov recikliranja, kar vpliva tudi na vrednosti trdote in modula elastičnosti. Opazili smo poslabšanje tokovnih lastnosti že pri 10x recikliranih vzorcih v mešanicah, kjer prevladuje recikliran material, pri večkratnem recikliranju pa je degradacija še večja. Vzrok za poslabšanje materialnih lastnosti pri večkratnem recikliranju so spremembe v strukturi materiala.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [Ž. Capuder], 2021Language - slovenianCOBISS.SI-ID - 78507523
Author
Capuder, Žiga
Other authors
Slemenik Perše, Lidija
Topics
diplomske naloge |
recikliranje |
mehanske lastnosti |
termične lastnosti |
reologija |
tokovne lastnosti |
polietilen visoke gostote |
thesis |
recycling |
HDPE |
mechanical properties |
thermal properties |
rheology |
flow properties
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UN 0000001457 IN: 80001457 UN 1457 IN: 80001457 |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Capuder, Žiga | |
Slemenik Perše, Lidija | 22701 |
Source: Personal bibliographies
and: SICRIS
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