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master's thesis
Utjecaj obrade površine nano-silike na svojstva PCL kompozita
Zagreb: University of Zagreb, Faculty of Chemical Engineering and Technology, 2017. urn:nbn:hr:149:128447
Havidić, Kristina
University of Zagreb
Faculty of Chemical Engineering and Technology

Institutional repository: Repository of Faculty of Chemical Engineering and Technology University of Zagreb

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Havidić, K. (2017). Utjecaj obrade površine nano-silike na svojstva PCL kompozita (Master's thesis). Zagreb: University of Zagreb, Faculty of Chemical Engineering and Technology. Retrieved from https://urn.nsk.hr/urn:nbn:hr:149:128447

Havidić, Kristina. "Utjecaj obrade površine nano-silike na svojstva PCL kompozita." Master's thesis, University of Zagreb, Faculty of Chemical Engineering and Technology, 2017. https://urn.nsk.hr/urn:nbn:hr:149:128447

Havidić, Kristina. "Utjecaj obrade površine nano-silike na svojstva PCL kompozita." Master's thesis, University of Zagreb, Faculty of Chemical Engineering and Technology, 2017. https://urn.nsk.hr/urn:nbn:hr:149:128447

Havidić, K. (2017). 'Utjecaj obrade površine nano-silike na svojstva PCL kompozita', Master's thesis, University of Zagreb, Faculty of Chemical Engineering and Technology, accessed 22 November 2024, https://urn.nsk.hr/urn:nbn:hr:149:128447

Havidić K. Utjecaj obrade površine nano-silike na svojstva PCL kompozita [Master's thesis]. Zagreb: University of Zagreb, Faculty of Chemical Engineering and Technology; 2017 [cited 2024 November 22] Available at: https://urn.nsk.hr/urn:nbn:hr:149:128447

K. Havidić, "Utjecaj obrade površine nano-silike na svojstva PCL kompozita", Master's thesis, University of Zagreb, Faculty of Chemical Engineering and Technology, Zagreb, 2017. Available at: https://urn.nsk.hr/urn:nbn:hr:149:128447

Metadata
TitleUtjecaj obrade površine nano-silike na svojstva PCL kompozita
Title (english)Influence of nano-silica surface pretreatment on the PCL composite properties
AuthorKristina Havidić
MentorMirela Leskovac (mentor)
Committee memberMirela Leskovac (predsjednik povjerenstva)
Committee memberZrinka Buhin Šturlić (član povjerenstva)
Committee memberVesna Ocelić Bulatović (član povjerenstva)
GranterUniversity of Zagreb
Faculty of Chemical Engineering and Technology
Zagreb
Defense date and country2017-07-13, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Chemical Engineering
Chemical Engineering in Material Development
Abstract
Polikaprolakton je biorazgradivi, semikristalni polimer niske temperature taljenja koja omogućava jednostavnu preradu. Jednostavnost prerade, dobra svojsta te jeftina cijena razlog su njegove široke primjene. Najčešće se koristi u biomedici za obnovu tkiva, zatvaranje rana te kontrolirani prijenos lijekova. Iako posjeduje izuzetna biološka i fizikalna svojstva, mehanička i toplinska svojstva su mu relativno loša. Ekološki prihvatljiv i učinkoviti način poboljšanja svojstava PCL-a pokazalo se dodavanje anorganski nanopunila u polimernu matricu. Na taj način znatno se poboljšavaju mehanička i toplinska svojstva polimerne matrice, odnosno povećava mu se čvrstoća, toplinska postojanost te temperatura primjene. U zadnje vrijeme istražuju se i razvijaju polimerni kompoziti s različiti anorganskim materijalima, među kojima se posebice ističe pirogena silika zbog njezine niske cijene i raspoloživosti. U ovom radu istražen je utjecaj obrade površine nano-silike na svojstva PCL kompozita. PCL/nanoSiO2 kompoziti različitih udjela punila pripremljeni su zamješavanjem u talini. Istraživana su mehanička i toplinska svojstva PCL/nanoSiO2 kompozita te određivani parametri adhezije.
Abstract (english)
Polycaprolactone is biodegradable, semicrystalline polymer with low melting point that allows simple processing. Good properties and low cost of PCL makes it suitable for use in wide application range. Most often is used in biomedicine for wound coverings. Despite of suitable biological and physical properties, mehanical and thermal properties are poor. An environmentally-friendly and efficient way to overcome this limitation is to incorporate nanofillers with PCL. This has been shown to enhance the mechanical and thermal properties of PCL, including increase of heat resistance and strenght. A wide range of nanocomposites has been developed in recent years, but most exensively studied ones are those based on fumed silica, due to their availability and low cost. In this paper the influence of nano-silica pretreatment on the PCL composite properties was investigated. PCL/nanoSiO2 composites different volume share of fillers were prepared by melt mixing. Thermal and mehanical properties and adhesion parameters of PCL/nanoSiO2 composites were investigated.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:149:128447
Study programmeTitle: Environmental Engineering - Graduate study
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra inženjer/inženjerka ekoinženjerstva (magistar/magistra inženjer/inženjerka ekoinženjerstva)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2020-01-21 14:21:54