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Kulolu cwaningo, amafilimu e-bioderhradable athuthukiswa asuselwa ku-chitosan (ch) acetshiswe ngamafutha asemqoka e-thyme (Teo) anezithasiselo ezahlukahlukene kufaka phakathi i-zinc onide (zno), i-polyethylene glycol (PEG), i-nanoclay (NC) ne-calcium. I-Chloride (i-CACL2) kanye nokubonisa ikhwalithi ye-kale yokuvuna ngemuva lapho kuqandiswa khona. Imiphumela ikhombisa ukuthi ukufakwa kwe-ZNO / PEG / NC / NC / CACL2 kumafilimu asuselwa ku-CH asuselwa kunciphisa kakhulu isilinganiso sokudlulisa amanzi, kwandisa amandla ashubile, futhi amanzi ancibilikayo kanye ne-biodegradable ne-biodegradable ne-biodegradable ne-biodegradable ne-biodegradable ne-biodegradable ne-biodegradable. Ngaphezu kwalokho, amafilimu asuselwa ku-CH-Tee ahlanganiswe ne-zno / isikhonkwane / i-NC / CACL2 ayephumelela kakhulu ekunciphiseni ukuncipha kwesisindo somzimba, ukulondolozela okuphelele okuhlanganisiwe, nokugcina okuqukethwe kwe-chlorophyll, futhi kukhombise ukukhula kwe-microbial. , ukubukeka kanye nezimfanelo ze-arganegeptic zeklabishi zigcinwa izinsuku ezingama-24 uma kuqhathaniswa ne-LDPE namanye amafilimu angenakuphikwa. Imiphumela yethu ikhombisa ukuthi amafilimu asuselwa ku-CH asuswe athuthukwe nge-thno / i-CACL2 / NC / Peg ayindlela eqhubekayo, enobungane nemvelo, futhi ephumelelayo yokulondolozwa impilo yeshelufu yamakhabethe lapho uqindwe.
Izinto zokwenziwa ze-polymeric ezisuselwa ku-petroleum sekuyisikhathi eside zisetshenziswe embonini yokudla ukuze kuqinisekiswe ikhwalithi nokuphepha kwemikhiqizo ehlukahlukene yokudla. Izinzuzo zezinto ezinjalo zendabuko zibonakala ngenxa yokukhululeka kokukhiqizwa, izindleko eziphansi nezakhiwo ezinhle kakhulu zesithiyo. Kodwa-ke, ukusetshenziswa okukhulu nokulahlwa kwalezi zinto ezingezinhle kakhulu kuzokhulisa ngokungafanele ubunzima obukhulu bokungcoliswa kwemvelo. Kulokhu, ukuthuthukiswa kwezinto zokuvikela ezemvelo zokuvikela imvelo kushesha eminyakeni yamuva. Lawa mafilimu amasha awangewona anobuthi, anobuthi, aqine futhi ahambelana1. Ngaphezu kokungabi nalo ubuthi futhi i-biocoma, lawa mafilimu asuselwa kuma-ndiopolymers wemvelo angaphatha ama-antioxidants ngakho-ke angenzi noma yikuphi ukungcoliswa kokudla kwemvelo, kufaka phakathi ukuguquguquka kokudla kwemvelo, kufaka phakathi ukufakwa kwezithasi Ngakho-ke, lezi zinto ezifakiwe zingasetshenziswa njengenye indlela esebenzayo kumapulasitiki asuselwa endabuko kaphethiloli njengoba anokusebenza okufanayo ekuphangekeni kokudla3. Namuhla, ama-biopolyymers asuselwa kumaprotheni, ama-lipid nama-polysaccharides athuthukiswe ngempumelelo, okuwuchungechunge lwezinto ezintsha zokupakisha imvelo. I-Chitosan (CH) isetshenziswa kabanzi ekuphaketheni kokudla, kufaka phakathi ama-polysaccharides afana ne-cellulose kanye nesitashi, ngenxa ye-oksijini yayo elula, i-oksijini engcono yokungakhathali, kanye neklasi lamanzi elihle lama-macromolecule wemvelo ajwayelekile. , 5. Kodwa-ke, amandla aphansi ama-antioxidant kanye nama-antibacterial amafilimu aphansi, okuyindlela ebalulekile yokufaka amafilimu asebenzayo wokupakisha, akhawulela amandla abo angaba khona, ngakho-ke ama-molecule angezekile afakiwe ku-ch amafilimu ukudala izinhlobo ezintsha ezisebenzayo.
Amafutha abalulekile athathwe ezitshalweni angafakwa kumafilimu e-biopolymer futhi angafaka izakhiwo ze-antioxidant noma ezi-antibacterial ezinhlanganweni zokupakisha, okuwusizo ekutholeni impilo yeshede yokudla. I-Thyme uwoyela obaluleke kakhulu ifundelwa kakhulu futhi isetshenziswa uwoyela obalulekile ngenxa yezakhiwo zayo ze-antibacterial, anti-inflammatory ne-antifugal. Ngokusho kokwakheka kwamafutha abalulekile, kukhonjwe ama-thyme chemotypes ahlukahlukene, kufaka phakathi i-thymol (23-60%), i-p-84%), i-gamma-terpinene (18-50%), uLilooli (3-4%). I-%) ne-CarVacrol (2-8%) 9, noma kunjalo, i-thymol inomphumela oqinile we-antibacterial ngenxa yokuqukethwe kwama-phenols ku-IT10. Ngeshwa, ukufakwa kwesitshalo uwoyela obalulekile noma izithako zabo ezisebenzayo ku-biopolymer matric kunciphisa kakhulu amandla omshini we-biocompoposite films1112. Lokhu kusho ukuthi izinto zokupakisha kanye namafilimu ahleliwe aqukethe izitshalo uwoyela obalulekile kumele aphathwe ngokwengeziwe ukwelashwa okuthuthukile ukuthuthukisa izakhiwo zemishini zokupakishwa kwazo kokudla.
Isikhathi sePosi: Oct-25-2022