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Št. zadetkov: 7
Nonlinear time-dependent behavior of rheodictic polymers
Alen Oseli, Mohor Mihelčič, Matic Šobak, Lidija Slemenik Perše
Izvirni znanstveni članek
Oznake: reodiktični polimeri;nelinearno vedenje;časovno odvisne mehanske lastnosti;proces lezenja;Schaperijev nelinearni model;rheodictic polymers;nonlinear behavior;time-dependent mechanical properties;creep process;Schapery’s nonlinear model;
The present study examined the nonlinear time-dependent behavior of rheodictic polymers, a class of noncrosslinked materials that exhibit flow. Such behavior was addressed with extended Schapery’s nonlinear viscoelastic model by introducing new physical quantities, i.e., the flow term and correspond ...
Leto: 2024 Vir: Fakulteta za strojništvo (UL FS)
Effect of different flame-retardant bridged DOPO derivatives on properties of in situ produced fiber-forming polyamide 6
Jelena Vasiljević, Marija Čolović, Nataša Čelan Korošin, Matic Šobak, Žiga Štirn, Ivan Jerman
Izvirni znanstveni članek
Oznake: poliamid 6;polimerizacija;termična stabilnost;PA6;bridged DOPO derivatives;in situ polymerization;thermal stability;flame retardancy;
The production of sustainable and effective flame retardant (FR) polyamide 6 (PA6) fibrous materials requires the establishment of a novel approach for the production of polyamide 6/FR nanodispersed systems. This research work explores the influence of three different flame-retardant bridged 9,10-di ...
Leto: 2020 Vir: Naravoslovnotehniška fakulteta (UL NTF)
Proactive release of antimicrobial essential oil from a "Smart" cotton fabric
Danaja Štular, Matic Šobak, Mohor Mihelčič, Ervin Šest, Ilija Ilić, Ivan Jerman, Barbara Simončič, Brigita Tomšič
Izvirni znanstveni članek
Oznake: protimikrobna aktivnost;hitozan;eterična olja;pametne tekstilije;hidrogeli odzivni na dražljaje;ß-ciklodekstrin;antimicrobial activity;chitosan;essential oils;smart textiles;stimuli-responsive hydrogel;ß-cyclodextrin;
Two temperature and pH responsive submicron hydrogels based on poly(N-methylenebisacrylamide), chitosan and β-cyclodextrines (PNCS/CD hydrogel) with varying poly(N-isopropylacrylamide) to chitosan ratios were synthesized according to a simplified procedure, reflecting improved stimuli responsive pro ...
Leto: 2019 Vir: Naravoslovnotehniška fakulteta (UL NTF)
Multifunctional antibacterial and ultraviolet protective cotton cellulose developed by in situ biosynthesis of silver nanoparticles into a polysiloxane matrix mediated by sumac leaf extract
Danaja Štular, Elisa Savio, Barbara Simončič, Matic Šobak, Ivan Jerman, Ida Poljanšek, Ada Ferri, Brigita Tomšič
Izvirni znanstveni članek
Oznake: bombaž;celuloza;zelena in-situ sinteza;Ag nanodelci;octovec;ekstrakt listov;protimikrobna aktivnost;UV-zaščita;cotton cellulose;green in situ synthesis;Ag NPs;sumac leaf extract;antimicrobial activity;UV protection;
A novel facile and eco-friendly procedure for fabrication of multifunctional antibacterial and ultraviolet (UV) protective cotton surface was presented, including premodification of cellulose fibres with a polysiloxane matrix, followed by green in situ biosynthesis of silver nanoparticles (Ag NPs) i ...
Leto: 2021 Vir: Naravoslovnotehniška fakulteta (UL NTF)
New insights into antibacterial and antifungal properties, cytotoxicity and aquatic ecotoxicity of flame retardant PA6/DOPO-derivative nanocomposite textile fibers
Jelena Vasiljević, Danaja Štular, Gabriela Kalčíková, Janja Zajc, Matic Šobak, Andrej Demšar, Brigita Tomšič, Barbara Simončič, Marija Čolović, Vid Simon Šelih, Ivan Jerman
Izvirni znanstveni članek
Oznake: poliamid 6;tekstilni filament;DOPO derivat;antibakterijsko delovanje;protiglivično delovanje;ekotoksičnost;citotoksičnost;polyamide 6;textilefilament;DOPO derivative;antibacterialactivity;antifungal activity;ecotoxicity;cytotoxicity;
The aim of this study was to evaluate the antibacterial and antifungal activity, cytotoxicity, leaching, and ecotoxicity of novel flame retardant polyamide 6 (PA6) textile fibers developed by our research group. The textile fibers were produced by the incorporation of flame-retardant bridged 9,10-di ...
Leto: 2021 Vir: Naravoslovnotehniška fakulteta (UL NTF)
Characterization of polyamide 6/multilayer graphene nanoplatelet composite textile filaments obtained via in situ polymerization and melt spinning
Jelena Vasiljević, Andrej Demšar, Mirjam Leskovšek, Barbara Simončič, Nataša Čelan Korošin, Ivan Jerman, Matic Šobak, Gregor Žitko, Nigel Willy Van de Velde, Marija Čolović
Izvirni znanstveni članek
Oznake: poliamid 6;nanoploščice grafena;in situ polimerizacija;predenje iz taline;tekstilna vlakna;mehansk lastnosti;termična stabilnost;gorljivost;polyamide 6;graphene nanoplatelets;in situ polymerization;melt spinning;textile fibers;mechanical properties;thermal stability;flammability;
Studies of the production of fiber-forming polyamide 6 (PA6)/graphene composite material and melt-spun textile fibers are scarce, but research to date reveals that achieving the high dispersion state of graphene is the main challenge to nanocomposite production. Considering the significant progress ...
Leto: 2020 Vir: Naravoslovnotehniška fakulteta (UL NTF)
In situ prepared polyamide 6/DOPO-derivative nanocomposite for melt-spinning of flame retardant textile filaments
Jelena Vasiljević, Marija Čolović, Ivan Jerman, Barbara Simončič, Andrej Demšar, Younes Samaki, Matic Šobak, Ervin Šest, Barbara Golja, Mirjam Leskovšek, Vili Bukošek, Jože Medved, Marco Barbalini, Giulio Malucelli, Silvester Bolka
Izvirni znanstveni članek
Oznake: poliamid 6;DOPO derivati;ognjevarno sredstvo;In situ polimerizacija;predenje;nanokompozitna filamentna preja;polyamide 6;DOPO derivative;flame retardant;In situ polymerization;melt-spinning;nanocomposite filament yarns;
A novel flame retardant polyamide 6 (PA6)/bridged 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO)-derivative (PHED) nanocomposite textile filament yarns were developed. The scalable production approach includes in situ water-catalyzed ring-opening polymerization of ε-caprolactam in the pre ...
Leto: 2019 Vir: Naravoslovnotehniška fakulteta (UL NTF)
Št. zadetkov: 7
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