I-Polylactic acid, eyaziwa nangokuthi i-polylactide, ingeyomndeni we-polyester.I-Polylactic acid (PLA) iyi-polymer eyenziwe nge-lactic acid njengento eyinhloko eluhlaza.Izinto zokusetshenziswa ziningi futhi zingavuselelwa.Inqubo yokukhiqiza ye-polylactic acid ayingcolisi, futhi umkhiqizo ungabola, uqaphela ukujikeleza kwemvelo, ngakho-ke uyinto efanelekile ye-polymer eluhlaza.I-Polylactic acid (PLA) iwuhlobo olusha lwezinto ezingaboli.Yenziwe ngezinto zesitashi ezikhishwe ezinsizeni zezitshalo ezivuselelekayo (njengommbila) ngokuvutshelwa, bese iguqulwa ibe i-polylactic acid ngokusebenzisa i-polymer synthesis.
I-Polylactic acid ilungele ukubunjwa kokushaywa, ukubumba umjovo nezinye izindlela zokucubungula.Kulula ukuyicubungula futhi isetshenziswa kabanzi.Ingasetshenziselwa ukucubungula iziqukathi zokudla ezahlukahlukene, ukudla okupakishiwe, amabhokisi okudla okusheshayo kwasemini, izindwangu ezingalukiwe, izindwangu zezimboni nezabantu abavamile ukusuka embonini kuya ekusetshenzisweni kwabantu.Futhi-ke ingacutshungulwa ibe yizindwangu zezolimo, izindwangu zokunakekelwa kwempilo, ama-dusters, imikhiqizo ye-sanitary, izindwangu zangaphandle ezingamelana ne-UV, izindwangu zamatende, amacansi aphansi, njll. Ithemba lemakethe lithembisa kakhulu.Kungabonakala ukuthi izakhiwo zayo zemishini nezomzimba zinhle.
Yiziphi izinzuzo ze-PLA yempahla eluhlaza?
1. Ine-biodegradability enhle.Ngemuva kokusetshenziswa, kungonakalisa ngokuphelele ama-microorganisms emvelweni ngaphansi kwezimo ezithile, futhi ekugcineni kukhiqize i-carbon dioxide namanzi, ngaphandle kokungcolisa imvelo.Indlela yokwelapha yamapulasitiki ajwayelekile isavutha futhi ishisa izidumbu, okubangela ukuthi kukhishelwe inqwaba yamagesi abamba ukushisa emoyeni, kuyilapho amapulasitiki e-polylactic acid (PLA) egqitshwa enhlabathini ukuze wonakaliswe, kanti isikhutha esikhiqizwe singena ngqo emhlabathini. inhlabathi ephilayo noma emuncwa izitshalo, engeke ikhishelwe emoyeni futhi ngeke idale umphumela we-greenhouse.
2. Izakhiwo ezinhle zemishini nezomzimba.Kulula ukuyicubungula, isetshenziswa kabanzi, futhi inombono omuhle kakhulu wemakethe.
3. Ukuhambisana okuhle nokonakala.Ibuye isetshenziswe kabanzi emkhakheni wezokwelapha.
4. I-Polylactic acid (PLA) ifana ne-petrochemical synthetic plastics ezindaweni ezibonakalayo eziyisisekelo futhi ingasetshenziswa kabanzi ukwenza imikhiqizo ehlukahlukene yesicelo.I-Poly (lactic acid) (PLA) nayo inokucwebezela okuhle nokukhanyela, okulingana nefilimu eyenziwe nge-polystyrene futhi ayikwazi ukuhlinzekwa ngeminye imikhiqizo ebolayo.
5. I-Polylactic acid (PLA) inamandla angcono kakhulu we-tensile kanye ne-ductility, futhi ingabuye ikhiqizwe ngezindlela ezihlukahlukene zokucubungula ezivamile.I-Poly lactic acid (PLA) ingenziwa ibe yimikhiqizo ehlukahlukene ngokuya ngezidingo zezimboni ezahlukahlukene.
6. Ifilimu ye-Poly (lactic acid) (PLA) inokuvunyelwa komoya okuhle, i-oxygen permeability kanye ne-carbon dioxide permeability, futhi inezici zokuhlukanisa iphunga.Amagciwane kanye nesikhunta kulula ukunamathisela ebusweni bepulasitiki ebolayo, ngakho-ke kukhona ukungabaza mayelana nokuphepha nokuhlanzeka.Kodwa-ke, i-polylactic acid iwukuphela kwamapulasitiki angaboli anezakhi ezinhle kakhulu zokulwa namagciwane kanye nesikhunta.
7. Uma i-PLA ishiswa, inani layo lokushisa elivuthayo liyafana nephepha, elinguhhafu wepulasitiki yendabuko (njenge-polyethylene).Ngaphezu kwalokho, ayisoze yakhulula ama-nitrogen compounds, i-sulfide namanye amagesi anobuthi.
Isikhathi sokuthumela: Apr-11-2023