The Investigation of Thermal Properties of Nanocomposite Polymer Materials Based On Renewable Resources
Ispitivanje toplotnih svojstava nanokompozitnih polimernih materijala na osnovu biljnih sirovina
Author
Budinski-Simendic, Jaroslava
Erceg, Tamara
Brzic, Milos
Vukic, Nevena
Miletic, Aleksandra
Radicevic, Radmila
Pilic, Branka
Keywords
poly(lactid)biopolymers
nanocomposites
thermal properties
poli(laktid)
biopolimeri
nanokompoziti
toplotna svojstva
Metadata
Show full item recordAbstract
Environmental friendliness and functionality have made biopolymers one of the
most interesting materials today. In order to broadening their application, there is need
for improving their poor mechanical and thermal properties by using reinforce effect of
inorganic nanoparticles. In this paper, thermal properties of nanocomposites based on
poly(lactide) (PLA) and silicon dioxide were investigated using the differential scanning
calorimetry (DSC). The obtained results showed that the addition of nanoparticles
causes a change in the values of melting and crystallization temperatures of
nanocomposites. Significant influence on the glass transition temperature was not
observed. Ekološka prihvatljivost i funkcionalnost biopolimera učinila ih je jednima od
najtraženijih materijala današnjice. Njihovu veću primenu ograničavaju slaba mehanička i
toplotna svojstva. Kako bi se poboljšala primenska svojstva biopolimera oni se kombinuju
sa neorganskim česticama gradeći nanokompozite. U ovom radu ispitivana su toplotna
svojstva nanokompozita na osnovu poli(laktida) (PLA) i silicijum(IV)oksida. Dobijeni
rezultati su pokazali da dodatak nanočestica dovodi do promene temperature topljenja,
porasta temperature kristalizacije, pri čemu nije uočen značajan uticaj nanočestica na
temperaturu prelaska u staklasto stanje nanokompozita poli(laktida).