izpis_h1_title_alt

Depolimerizacija poliamida 1010 s hidrolizo v kislem in vplivom mikrovalov
ID Žagar, Leon (Avtor), ID Kralj Cigić, Irena (Mentor) Več o mentorju... Povezava se odpre v novem oknu

.pdfPDF - Predstavitvena datoteka, prenos (1013,94 KB)
MD5: 2BC62749593D90C7E9080EEB1D7545C1

Izvleček
Namen dela je bila popolna kislinsko katalizirana depolimerizacija poliamida (PA) 1010, s katero dobimo sestavna monomera PA1010, ki ju lahko ponovno polimeriziramo v visoko kvalitetne produkte. Za gretje reakcijskih zmesi sem uporabili mikrovalove, saj sem s tem zmanjšal porabo energije in skrajšal čas reakcije. Pri depolimerizaciji sem preučeval reakcijske pogoje, pri katerih je PA 1010 popolnoma depolimeriziral; to je temperaturo, koncentracijo HCl in reakcijski čas. Uspešnost depolimerizacije sem zasledoval s prisotnostjo oligomerov v reakcijskih zmeseh z 1H NMR in HPLC. Ko oligomeri niso bili več prisotni v reakcijski zmesi, je bila reakcija depolimerizacije popolna. Nastala produkta sebacinsko kislino in 1,10-diaminodekan sem izoliral in očistil s prekristalizacijo oziroma destilacijo. Čistost produktov sem določil z 1H NMR, HPLC in DSC.

Jezik:Slovenski jezik
Ključne besede:poliamid 1010, depolimerizacija, hidroliza, mikrovalovi, kemijska reciklaža
Vrsta gradiva:Diplomsko delo/naloga
Tipologija:2.11 - Diplomsko delo
Organizacija:FKKT - Fakulteta za kemijo in kemijsko tehnologijo
Leto izida:2020
PID:20.500.12556/RUL-119674 Povezava se odpre v novem oknu
COBISS.SI-ID:31591427 Povezava se odpre v novem oknu
Datum objave v RUL:10.09.2020
Število ogledov:962
Število prenosov:176
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
:
Kopiraj citat
Objavi na:Bookmark and Share

Sekundarni jezik

Jezik:Angleški jezik
Naslov:Depolimerization of polyamide 1010 by acid hydrolysis and assisted by microwaves
Izvleček:
The goal of this work was complete acid catalyzed depolymerization of polyamide (PA) 1010 to obtain the constituent PA 1010 monomers as final products, which can be polymerized again into high quality products. Microwaves were used to heat the reaction mixtures, which allow for reduced energy consumption and shortening the reaction time. In depolymerization experiments I studied the reaction conditions under which PA 1010 completely depolymerized; these were the temperature, HCl concentration, and reaction time. The degree of depolymerization was monitored by the presence of oligomers in reaction mixtures by 1H NMR and HPLC. When the oligomers were no longer present in the reaction mixtures, the depolymerization reaction was considered as complete. The resulting products sebacic acid and 1,10-diaminodecane were isolated and purified by recrystallization and distillation, respectively. The purity of the monomer products was evaluated by 1H NMR, HPLC and DSC.

Ključne besede:polyamide 1010, depolymerization, hydrolysis, microwaves, chemical recycling

Podobna dela

Podobna dela v RUL:
Podobna dela v drugih slovenskih zbirkah:

Nazaj