Izindaba - Yiziphi izinzuzo zemvelo zemikhiqizo yokupakisha ye-PLA kanye ne-cPLA?

I-Polylactic acid (PLA) kanye ne-crystallized polylactic acid (CPLA) yizinto ezimbili ezinobungani nemvelo eziye zathola ukunakwa okukhulu ku-I-PLA kanyeCI-PLA ukupakishwaimboni eminyakeni yamuva nje. Njengepulasitiki esekelwe ku-bio, zibonisa izinzuzo eziphawulekayo zemvelo uma kuqhathaniswa nepulasitiki yendabuko yamakhemikhali kaphethiloli.

Izincazelo kanye nomehluko phakathi kwe-PLA kanye ne-CPLA

I-PLA, noma i-polylactic acid, iyi-bio-plastic eyenziwe ngezinsiza ezivuselelekayo njengesitashi sommbila noma umoba ngokubilisa, i-polymerization, nezinye izinqubo. I-PLA inokubola okuhle kakhulu futhi ingabola ngokuphelele yizinto ezincane zibe yi-carbon dioxide namanzi ngaphansi kwezimo ezithile. Kodwa-ke, i-PLA inokumelana nokushisa okuphansi futhi ivame ukusetshenziswa emazingeni okushisa angaphansi kuka-60°C.

I-CPLA, noma i-polylactic acid ekristalisiwe, iyinto eguquliwe ekhiqizwa ngokukristaliza i-PLA ukuze ithuthukise ukumelana kwayo nokushisa. I-CPLA ingamelana namazinga okushisa angaphezu kuka-90°C, okwenza ibe yindawo ekahle kakhulu ekusetshenzisweni okudinga ukumelana nokushisa okuphezulu. Umehluko omkhulu phakathi kwe-PLA ne-CPLA usekucutshungulweni kwayo kokushisa kanye nokumelana nokushisa, kanti i-CPLA inohlu olubanzi lwezicelo.

Umthelela Wezemvelo we-PLA kanye ne-CPLA

Ukukhiqizwa kwe-PLA kanye ne-CPLA kusekelwe ezintweni zokusetshenziswa ze-biomass, okunciphisa kakhulu ukuncika ezinsizeni ze-petrochemical. Ngesikhathi sokukhula kwalezi zinto zokusetshenziswa, i-carbon dioxide imuncwa yi-photosynthesis, okunikeza ithuba lokungathathi hlangothi kwe-carbon kuyo yonke impilo yazo. Uma kuqhathaniswa nepulasitiki yendabuko, izinqubo zokukhiqiza ze-PLA kanye ne-CPLA zikhipha amagesi okushisa aphansi kakhulu, ngaleyo ndlela zinciphise umthelela wazo omubi emvelweni.

Ngaphezu kwalokho,I-PLA kanye ne-CPLA ziyabola ngemva kokulahlwa, ikakhulukazi ezindaweni zokufaka umquba ezimbonini, lapho zingabola khona ngokuphelele zingakapheli izinyanga ezimbalwa. Lokhu kunciphisa izinkinga zokungcoliswa kwesikhathi eside kwemfucuza yepulasitiki endaweni yemvelo futhi kunciphisa umonakalo enhlabathini nasezindaweni zemvelo zasolwandle obangelwa yimfucuza yepulasitiki.

Izinzuzo Zemvelo ze-PLA kanye ne-CPLA

Ukunciphisa Ukuthembela Kumafutha Ezinto Ezimbiwayo

I-PLA kanye ne-CPLA zenziwe ngezinsiza ezivuselelekayo njengesitashi sommbila noma umoba, ngokungafani nepulasitiki yendabuko ethembele ezinsizeni ze-petrochemical. Lokhu kusho ukuthi inqubo yazo yokukhiqiza inciphisa kakhulu ukuthembela ezinsizeni ezingavuseleleki njengamafutha, okusiza ukonga uphethiloli kanye nokunciphisa ukukhishwa kwekhabhoni, ngaleyo ndlela kuncishiswe ukuguquka kwesimo sezulu.

Amandla Okungathathi hlangothi Kwekhabhoni

Njengoba izinto zokusetshenziswa ze-biomass zimunca i-carbon dioxide ngesikhathi zikhula nge-photosynthesis, ukukhiqizwa nokusetshenziswa kwe-PLA ne-CPLA kungafeza ukungathathi hlangothi kwe-carbon. Ngokuphambene nalokho, ukukhiqizwa nokusetshenziswa kwepulasitiki yendabuko kuvame ukuphumela ekukhishweni okukhulu kwe-carbon. Ngakho-ke, i-PLA ne-CPLA zisiza ekunciphiseni ukukhishwa kwegesi ebamba ukushisa esikhathini sokuphila kwazo, kunciphise ukufudumala komhlaba.

Ukubola kwezinto eziphilayo

I-PLA kanye ne-CPLA zinokonakala okuhle kakhulu, ikakhulukazi ezindaweni zokukhiqiza umquba wezimboni lapho zingabola khona ngokuphelele zingakapheli izinyanga ezimbalwa. Lokhu kusho ukuthi azihlali endaweni yemvelo njengepulasitiki yendabuko, okunciphisa ukungcola kwenhlabathi kanye nolwandle. Ngaphezu kwalokho, imikhiqizo yokubola ye-PLA kanye ne-CPLA yi-carbon dioxide namanzi, okungenangozi emvelweni.

Ibhokisi lesidlo sasemini le-CPLA elinesivalo esicacile, isitsha sokudla esihlala isikhathi eside sokudla okuhambisana nemvelo.

Ukuphinda kusetshenziswe

Nakuba uhlelo lokusebenzisa kabusha amapulasitiki e-bio lusathuthuka, i-PLA ne-CPLA zinezinga elithile lokusebenzisa kabusha. Ngokuthuthuka kobuchwepheshe nokusekelwa kwenqubomgomo, ukuphinda kusetshenziswe kabusha kwe-PLA ne-CPLA kuzosabalala futhi kusebenze kahle. Ukuphinda kusetshenziswe kabusha lezi zinto akugcini nje ngokunciphisa imfucuza yepulasitiki kodwa futhi konga izinsiza kanye namandla.

Okokuqala, ukusetshenziswa kwe-PLA kanye ne-CPLA kunganciphisa ukusetshenziswa kwezinsizakusebenza ze-petrochemical futhi kukhuthaze ukusetshenziswa kwezinsizakusebenza okuqhubekayo. Njengezinto ezisekelwe ku-bio, zinciphisa ukusetshenziswa kukaphethiloli ngesikhathi sokukhiqiza, ngaleyo ndlela zinciphise ukukhishwa kwekhabhoni.

Ukunciphisa Ukungcola Kwemfucuza Yepulasitiki

Ngenxa yokuwohloka okusheshayo kwe-PLA kanye ne-CPLA ngaphansi kwezimo ezithile, zinganciphisa kakhulu ukuqongelela kwemfucuza yepulasitiki endaweni yemvelo, zinciphise umonakalo ezindaweni zemvelo zasemhlabeni nezasolwandle. Lokhu kusiza ekuvikeleni ukuhlukahluka kwezinto eziphilayo, kugcinwe ibhalansi yezemvelo, futhi kuhlinzeke ngendawo yokuphila enempilo kubantu nakwezinye izinto eziphilayo.

Ukuthuthukisa Ukusebenza Kahle Kokusetshenziswa Kwezinsizakusebenza

Njengezinto ezisekelwe ku-bio, i-PLA kanye ne-CPLA zingafinyelela ukusetshenziswa kwezinsiza kusebenza ngempumelelo ngezinqubo zokuvuselela kabusha kanye nokuwohloka. Uma kuqhathaniswa nepulasitiki yendabuko, izinqubo zazo zokukhiqiza nokusebenzisa zinobungani kakhulu nemvelo, zinciphisa ukungcola kwamandla kanye nezinsizakusebenza futhi zithuthukisa ukusebenza kahle kokusetshenziswa kwezinsizakusebenza.

Okwesibili, ukubola kwe-PLA kanye ne-CPLA kusiza ekunciphiseni ukungcoliswa kwemvelo okubangelwa ukunciphisa ingcindezi yemvelo evela ezindaweni zokulahla udoti kanye nokushiswa. Ngaphezu kwalokho, imikhiqizo yokuwohloka kwe-PLA kanye ne-CPLA yi-carbon dioxide namanzi, okungabangeli ukungcola kwesibili emvelweni.

Okokugcina, i-PLA kanye ne-CPLA nazo ziyakwazi ukuphinda zisetshenziswe. Nakuba uhlelo lokuphinda kusetshenziswe ama-bioplastics lungakasungulwa ngokugcwele, ngentuthuko yezobuchwepheshe kanye nokukhuthazwa kwenqubomgomo, ukuphinda kusetshenziswe ama-PLA kanye ne-CPLA kuzokwanda kakhulu. Lokhu kuzonciphisa umthwalo wemvelo wemfucuza yepulasitiki futhi kuthuthukise ukusebenza kahle kwezinsizakusebenza.

Izinhlelo Zokusebenzisa Imvelo Ezingenzeka

Ukuze kuqashelwe ngokugcwele izinzuzo zemvelo ze-PLA kanye ne-CPLA, kudingeka ukuthuthukiswa okuhlelekile ekukhiqizweni, ekusetshenzisweni nasekusetshenzisweni kabusha. Okokuqala, izinkampani kufanele zikhuthazwe ukuthi zamukele i-PLA kanye ne-CPLA njengezinye izindlela esikhundleni sepulasitiki yendabuko, zikhuthaze ukuthuthukiswa kwezinqubo zokukhiqiza eziluhlaza. Ohulumeni bangakusekela lokhu ngezikhuthazo zenqubomgomo kanye nezibonelelo zezimali zokuthuthukisa imboni yepulasitiki esekelwe ezintweni eziphilayo.

Okwesibili, ukuqinisa ukwakhiwa kwezinhlelo zokusebenzisa kabusha nokucubungula ze-PLA kanye ne-CPLA kubalulekile. Ukusungula uhlelo oluphelele lokuhlunga nokusebenzisa kabusha kuqinisekisa ukuthi ama-bioplastic angangena ngempumelelo eziteshini zokusebenzisa kabusha noma zokufaka umquba. Ngaphezu kwalokho, ubuchwepheshe obuhlobene obuthuthukisiwe bungathuthukisa amazinga okusebenzisa kabusha kanye nokusebenza kahle kokuwohloka kwe-PLA kanye ne-CPLA.

Ngaphezu kwalokho, imfundo yomphakathi kanye nokuqwashisa kufanele kuthuthukiswe ukuze kwandiswe ukuqashelwa kwabathengi kanye nokuzimisela ukusebenzisaImikhiqizo ye-PLA ne-CPLANgemisebenzi eyahlukahlukene yokukhuthaza neyokufundisa, ukuqwashisa umphakathi ngemvelo kungaqiniswa, kukhuthazwe ukusetshenziswa okuluhlaza kanye nokuhlunga imfucuza.

Imiphumela Yezemvelo Elindelekile

Ngokusebenzisa lezi zinyathelo ezingenhla, kulindeleke imiphumela elandelayo yezemvelo. Okokuqala, ukusetshenziswa kabanzi kwe-PLA kanye ne-CPLA emkhakheni wokupakisha kuzonciphisa kakhulu ukusetshenziswa kwepulasitiki yamakhemikhali, ngaleyo ndlela kuncishiswe ukungcola kwepulasitiki okuvela emthonjeni. Okwesibili, ukuphinda kusetshenziswe kanye nokubola kwepulasitiki esekelwe ezintweni eziphilayo kuzonciphisa ngempumelelo umthwalo wemvelo ovela ekungcolisweni nasekushisweni, kuthuthukiswe ikhwalithi yezemvelo.

Ngesikhathi esifanayo, ukukhuthazwa nokusetshenziswa kwe-PLA kanye ne-CPLA kuzoqhuba ukuthuthukiswa kwezimboni eziluhlaza futhi kukhuthaze ukusungulwa kwemodeli yomnotho ojikelezayo. Lokhu akusizi nje kuphela ekusetshenzisweni okusimeme kwezinsiza kodwa futhi kukhuthaza ukusungula ubuchwepheshe kanye nokukhula komnotho ezimbonini ezihlobene, kwakha umjikelezo omuhle wentuthuko eluhlaza.

Ekuphetheni, njengoba izinto ezintsha ezinobungani nemvelo, i-PLA kanye ne-CPLA zibonisa amandla amakhulu ekunciphiseni ukusetshenziswa kwezinsiza kanye nokungcoliswa kwemvelo. Ngokuqondiswa kwenqubomgomo efanele kanye nokusekelwa kwezobuchwepheshe, ukusetshenziswa kwazo kabanzi emkhakheni wokupakisha kungafeza imiphumela efiselekayo yezemvelo, kube negalelo elihle ekuvikeleni imvelo yoMhlaba.

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