Izikhwama zepulasitiki ezinobungani bemvelo zifushane ngezinhlobo ezahlukahlukene zezikhwama zepulasitiki ze-biodegradable. Ngokuthuthukiswa kwezobuchwepheshe, izinto ezahlukahlukene ezingathatha isikhundla sepulasitiki yendabuko ye-PE, kufaka phakathi i-PLA, i-PHAS, PBA, PBS nezinye izinto ze-polymer. Ingathatha isikhundla sezikhwama zepulasitiki zendabuko. Izikhwama zepulasitiki zemvelo zisetshenziswe kabanzi: Izikhwama zokuthenga ezitolo ezinkulu, ama-roll-to-roll izikhwama ezintsha zokugcina, futhi amafilimu we-mulch asetshenziswe kabanzi eChina. Isifundazwe saseJilin sengitholile i-PLA (polylactic acid) esikhundleni sezikhwama zepulasitiki zendabuko, futhi sathola imiphumela emihle. E-Sanya City, esifundazweni saseHainan, izikhwama zepulasitiki ezisuselwa eStatch-ezisuselwa eStashi zifake ukusetshenziswa kwezimali ezinkulu ezimbonini ezifana nezitolo ezinkulu namahhotela.
Ngokuvamile, azikho izikhwama zepulasitiki ezinobungane kakhulu zemvelo. Ezinye izikhwama zepulasitiki kuphela ezingangcoliswa kalula ngemuva kokungeza ezinye izithako. Okungukuthi, ipulasitiki engathandeki. Faka inani elithile lezengezo (njenge-starch, isitashi esiguquliwe noma elinye i-cellulose, photosensizers, bioderradants, njll.) Enqubweni yokukhiqiza imikhiqizo yokupaka yepulasitiki yokunciphisa ukuqina kwepulasitiki futhi kwenze kube lula ukwehlisa umoya wemvelo. Kunamayunithi ayi-19 athuthukisa noma akhiqize amapulasitiki angathandeki eBeijing. Ukuhlolwa kukhombisile ukuthi ama-plastitics angonakala kakhulu aqala ukuba mncane, wehlise isisindo, futhi alahlekelwe amandla ngemuva kokuvezwa kwemvelo ejwayelekile izinyanga ezintathu, futhi kancane kancane aqede izingcezu. Uma lezi zingcezwana zingcwatshwa udoti noma emhlabathini, umphumela wokucekelwa phansi awubonakali. Kunamaphutha amane ekusebenziseni amapulasitiki anenkani: umuntu adle ukudla okwengeziwe; enye ukuthi ukusetshenziswa kwemikhiqizo yepulasitiki engokonakala ayikwazi ukuqeda ngokuphelele "ukungcoliswa okubonakalayo"; Okwesithathu yilokho ngenxa yezizathu zobuchwepheshe, ukusetshenziswa kwemikhiqizo engopulasitiki engokoqobo akukwazi ukuxazulula ngokuphelele umthelela wezemvelo "izingozi ezingaba khona"; Okwesine, amapulasitiki angcolile kunzima ukuphinda asebenze ngoba aqukethe izithasiselo ezikhethekile.
Eqinisweni, into enobungane kakhulu imvelo ukusebenzisa izikhwama zepulasitiki noma izikhwama zepulasitiki ezilungisiwe ukunciphisa inani lokusebenzisa. Ngasikhathi sinye, kungavuselelwa nguhulumeni ukuze kuncishiswe ukungcoliswa kwemvelo.
Isikhathi Sokuthumela: Oct-08-2021