Imboni yezokupakisha emhlabeni wonke isendaweni lapho umthwalo wemvelo uhlangana khona nesidingo sokuhweba, futhi lokhu kuhlangana kwenze ubuchwepheshe bokupakisha obusimeme babe yindawo ebaluleke kakhulu yokuqamba izinto ezintsha ekwenziweni kwemikhiqizo yesimanje. Amabhizinisi kuzo zonke izinkambu afuna kakhulu ezinye izindlela zokupakisha ipulasitiki ezijwayelekile ezingalingana nokusebenza kwayo ngenkathi kuncishiswa kakhulu umthelela emvelweni. Inkinga ibilukhuni: ukudala izinto ezibola ngokwemvelo ngaphandle kokudicilela phansi izakhiwo zokuvikela, ukuqina, kanye nokwelula isikhathi sokugcina imikhiqizo yokudla, iziphuzo, nemithi edinga. Kulapho isayensi yezinto ezintsha ezithuthukisiwe ingene khona, inikeza izixazululo ezingeke zazicabangeka eminyakeni eyishumi eyedlule. Izinkampani ezitshala kwezobuchwepheshe obusezingeni eliphezulu azigcini nje ngokuvikela izinto zazo esikhathini esizayo kodwa futhi ziphendula ezimfeni eziqine kakhulu zemithetho kanye nokulindela kwabathengi emhlabeni wonke.

Inkampani eyavela njengomholi kulesi sikhala esiguqukayo yi海岱丰（山东）新材料科技有限公司, eyaziwa emhlabeni jikelele njengeHaidaifeng (Shandong) New Material Technology Co., Ltd. Le nhlangano ibekezelele izinsiza ezinkulu zokucwaninga nokuthuthukisa ukuze idale izinto eziphumelelayo eziphilayo ezisetshenziswa njengokufaka esikhundleni kwezokupakisha ezisekelwe kumafutha. Umsebenzi wabo uthinta cishe zonke izici zemboni yokupakisha yokuphrinta, unikeza izisekelo nezifutho ezihlanganiswa kahle ezinqubweni zokukhiqiza ezikhona ngenkathi kunikezwa izitifiketi eziphezulu zemvelo. Indlela yenkampani ihlanganisa ubuchwepheshe obujulile bezinto nezinsiza zokukhiqiza ezisebenzayo, iqinisekisa ukuthi izixazululo zabo azikhombisi kuphela ubuchwepheshe obuphakeme kodwa futhi zisebenza kahle ngokwezomnotho. Ngokubhekana nezithiyo zangempela ezake zanciphisa ukutholwa kokupakisha okukhuthazayo, iHaidaifeng ibeke isikhundla sayo njengomngane othembekile kumabhizinisi alungele ukwenza ushintsho.

Ubukhali ngemuva kobuchwepheshe bokupakisha obusimeme abukaze bube bukhulu kangaka, lapho udoti wepulasitiki emhlabeni wonke udlula amathani ayizigidi ezingu-400 ngonyaka futhi ingxenye encane kuphela ehlukaniswa ngempumelelo. Izinga lemithetho kulo lonke elaseYurophu, iNyakatho Melika, kanye ne-Asia liyajuba ngokushesha, ngokuvalwa kwamapulasitiki asetshenziswa kanye kuphela kanye nemithetho yomthwalo womkhiqizi eyengeziwe iphoqa izinkampani ukuthi zicabange kabusha izindlela zazo zokupakisha kusukela ekuqaleni. Abathengi, okwamanje, bavota ngemali yabo, njalo bakhetha izinhlobo ezikhombisa ukuzibophezela kwangempela kwemvelo ngokukhetha kwabo ukupakisha. Leli shintsho akulona nje umkhuba kodwa ukuguqulwa okuyisisekelo kwezilindelo zemakethe ezithinta wonke umdlali ochungechungeni lokuhlinzekwa, kusukela kubahlinzeki bezinto eziluhlaza kuya kubathengisi. Icala lezomnotho lokupakisha okusimeme selibe namandla afanayo, njengoba intela ye-carbon ekhulayo, izindleko zokulahlwa kukadoti, kanye nokuntengantenga kwentengo yezinto eziluhlaza kwenza amapulasitiki endabuko abize kakhulu esikhathini eside.

Ngaphandle kwezingcindezi zemvelo neziqondisayo, kunokuqonda okukhulayo ukuthi ubuchwepheshe bokupakisha obusimeme bungathuthukisa ikhwalithi yomkhiqizo kanye nenani lomkhiqizo kunokuba buwudicilele phansi. Amamuva athuthukisiwe angabolisayo manje ahlinzeka ngezindawo zokuvimbela umoya-mpilo nomswakama ezincintisana nazo noma ezidlula lezo zamapulasitiki ajwayelekile, okubalulekile ezinhlelweni ezifana nokupakisha komoya okuguquguqukayo lapho ukwakheka okunembayo kwegesi kufanele kugcinwe ukuze kugcinwe ubusha. Ngokufanayo, izinto ezintsha ekupakisheni kwe-aseptic zikhombisile ukuthi izinto ezisekelwe ezitshalweni nezingabolisayo zingahlangabezana nezidingo eziqinile zokubulala amagciwane ezidingwa izimboni zemithi kanye nobisi. Lezi zimpumelelo zobuchwepheshe ziye zacisha ngokuphelele ukushintshana okudala phakathi kokusimama nokusebenza, zavula umnyango wokwamukelwa okubanzi kwezentengiselwano ezimakethe ezazibhekwa njengezidinga kakhulu izindlela ezisebenzisa imvelo. Umphumela uyindawo ekhula ngokushesha yamathuba amabhizinisi azimisele ukwamukela isizukulwane esilandelayo sezinto zokupakisha.

Haidaifeng (Shandong) New Material Technology Co., Ltd. izibeke njengamandla aqinile emkhakheni wezinto ezithuthukisiwe, igxile kakhulu ekuthuthukiseni izixazululo zokupakisha ezihlangabezana namazinga aphezulu kakhulu kokusebenza kanye nesibopho semvelo. Izindawo zocwaningo zenkampani zihlome ngemishini yesimanjemanje yokucubungula i-polymer nokuchaza, okuvumela ososayensi babo ukuthi bakhe, bahlole, futhi bahlanze izakhiwo ezintsha zezinto ngokunemba okukhulu. Okuhlukanisa i-Haidaifeng kubancintisana nabo abaningi ukuzibophezela kwabo ekuqondeni yonke imvelo yokupakisha, kusukela ekutholeni izinto eziluhlaza kuze kube sekupheleni kwempilo nokubola. Lo mbono ophelele uqinisekisa ukuthi imikhiqizo yabo yakhelwe hhayi kuphela kulayini wokukhiqiza kodwa nempilo ephelele, kunciphisa umthelela emvelweni kuyo yonke iminyango. Isiko lenkampani ligcizelela ukuqanjwa okungapheli, namaqembu azinikele ahlola izinhlanganisela ezintsha ze-polymer, ubuchwepheshe bezingeziwe, nezindlela zokucubungula ezingakwazi ukudlula imingcele yalokho izinto ezibola ngokwemvelo ezingakwazi ukukwenza.

Umbono wecebo we-Haidaifeng udlula nje ekukhiqizeni izinto ezihlukile; bahlose ukuba nguzakwethu obanzi kumabhizinisi azulazula engxenyeni eyinkimbinkimbi yokupakisha okusimeme. Lokhu kusho ukuhlinzeka ngosekelo lobuchwepheshe lokuhlanganiswa nezinhlelo ezikhona zokupakisha ezizenzakalelayo, ukuqinisekisa ukuthi amafilimu namakhowutha abo ahamba kahle ezinsizeni zokugcwalisa nokubopha ezisheshayo ngaphandle kokudinga ukulungiswa okubizayo. Le nkampani iphinde itshale kakhulu ekulawuleni ikhwalithi nasekuqinisekisweni, ithole izitifiketi ezifanele zokubola nokuthintana nokudla ezinikeza amakhasimende abo ukuzethemba ngokuthobela imithetho ezindaweni eziningi. NgokuvakashelaIkhaya ikhasi, amabhizinisi angathola kabanzi mayelana nomgomo wenkampani kanye nezindinganiso eziyisisekelo eziqhubela phambili uhlelo lwabo lwezocwaningo. Indlela yabo yokusebenzisana nobudlelwano namakhasimende kusho ukuthi inkinga ngayinye yokupakisha iphathwa njengethuba eliyingqayizivele lokwenza izinto ezintsha, kunokuba ihlangatshezwane nomkhiqizo owodwa ofanele bonke.

Emoyeni wezinto ezikhiqizwa yiHaidaifeng kukhona ama-film ayo aphezulu asebenza kahle futhi angaboli, kanye nezingubo eziwusizo, eziklanyelwe ukunikeza ukuvikelwa okungajwayelekile ngenkathi kugcinwa ukubola ngokuphelele ngaphansi kwezimo zezimboni. Lawa ma-film akhiwe ngokuhlanganiswa kwe-biopolymer okukhethekile okuthola amandla emishini afana ne-polyethylene ne-polypropylene evamile, okubhekana nesiphikiso esiyinhloko esike sabeka umkhawulo ekwamukelweni kwezinto zokupakisha ezibola. Ubuchwepheshe bokugqoka benkampani buhlaba umxhwele ngokufanayo, buvumela izendlalelo zokuvikela umoya, umswakama, nephunga ezingasetshenziswa ephepheni, ekhadibhodini, nezinye izinto zokwakha ukuze kwakhiwe izakhiwo zokupakisha eziningi ezinemisebenzi eyengeziwe. Umkhiqizo ngamunye uyi-result yokuthuthukiswa okuningiliziwe kwe-formulation, okulinganisa isivinini sokubola nokusebenza ngesikhathi sokusetshenziswa ukuze kuqinisekiswe ukuthi ukupakisha kugcina ubuqotho bayo kuso sonke isikhathi sokugcinwa futhi bese kubola kahle endaweni efanele yokulahlwa.

Inqubo yokuthuthukisa lezi zinto ihilela ubunjiniyela obuyinkimbinkimbi be-polymer ezingeni le-molecular, lapho abacwaningi bakwaHaidaifeng belawula ubude be-chain, i-crystallinity, nokusatshalaliswa kwamaqembu asebenzayo ukuze kufezekiswe izici zokusebenza eziqondile. Lokhu kubavumela ukuthi benze ama-film ezicelo ezithile, noma ngabe imfuneko yokupakisha okucacile okukhombisa umkhiqizo ngaphakathi noma izendlalelo zokuvimbela umswakama ezingabonakali ukuze kugcinwe izimpahla ezomile isikhathi eside. Ama-coatings enkampani enzelwe ukusebenza ngokuvumelana nezinqubo zokunyathelisa nokuguqula ezikhona embonini yokupakisha yokuphrinta, yamukela amapende ajwayelekile, izincibilikisi, namasu okuhlanganisa ngaphandle kokuhlukana noma izinkinga zekhwalithi. Ukuze uthole isibuyekezo esinemininingwane yobubanzi bemikhiqizo yabo,MenuIkhasi linikeza imininingwane ephelele nemibhalo yezobuchwepheshe. Lokhu kuhambisana nengqalasizinda yokukhiqiza eseyikhona kunciphisa kakhulu umgoqo wokwamukelwa ezinkampanini ezifuna ukuguqula imigqa yazo yokupakisha ibe izinketho ezizinzile ngaphandle kokutshala imali enkulu.

Ubunzima bobuchwepheshe bukaHaidaifeng busekelwe ekwakhiweni kwezinto ezikhethekile okuhlanganisa imithombo eminingi ye-biopolymer kanye nezingxenye ezikhethwe ngokucophelela ze-nano kanye nezisizi zokucubungula ukuze kwakhiwe ama-film anezici zokusebenza ezingakaze zibonwe ngaphambili. Isisekelo se-polymer matrix ngokuvamile sihlanganisa inhlanganisela ye-polylactic acid (PLA), i-polyhydroxyalkanoates (PHA), nezinye izinto ezivuselelekayo, ngayinye inikela ngezici ezithile zemishini noma zokuvimbela ezintweni zokugcina. Izinhlayiya ze-nano-clay kanye ne-cellulose nanofibers zisakazwa kulo lonke leli matrix ukuze kwakhiwe izindlela eziyinkimbinkimbi ezicishisa kakhulu ukudluliswa kwe-oxygen nomusi wamanzi, zifinyelela amazinga okuvimbela ahlangabezana noma adlula awe-film yepulasitiki evamile. Inqubo yokukhiqiza uqobo iyinto ehlukile, isebenzisa ubuchwepheshe obuthuthukisiwe bokukhipha, ukuqondisa, nokubopha okuhambisa izintambo ze-polymer futhi kuthuthukise isakhiwo se-crystalline ukuze kutholwe amandla aphezulu nokuguquguquka. Le ndlela ehlanganisiwe yokwakhiwa kwezinto kanye nobunjiniyela benqubo iqinisekisa ukuthi yonke i-roll ye-film ephuma esikhungweni iletha ukusebenza okuzinzile, okuthembekile.

Indlela yokukhiqiza ihlanganisa izinhlelo zokuqapha ikhwalithi ngesikhathi sangempela ezilandelela ubukhulu bamafilimu, ukucaca kwe-optical, izimfanelo zemishini, nokusebenza komgoqo ezigabeni zonke zokukhiqiza, okuvumela ukulungiswa okusheshayo okugcina izikhawulo eziqinile. Leli zinga lokulawula inqubo libalulekile ezinhlelweni zokupakisha ezihlakaniphile, lapho izinzwa nezikhombisi zingahlanganiswa esakhiweni sokupakisha ukuze kuqashwe ubusha, ukuchayeka ezingeni lokushisa, noma ubuqiniso kuyo yonke imiqulu yokuhlinzekwa. Izinto ze-Haidaifeng zinikeza isisekelo esihle kakhulu kulezi zici zokupakisha ezihlakaniphile ngoba izimfanelo zazo ezingaguquki ze-optical nezemishini ziqinisekisa ukuthi izinto zokunyathelisa ze-elektroniki nezokuzwa zisebenza ngokuthembekile. Ukuzibophezela kwenkampani ekwenzeni kahle kokukhiqiza kuqiniswa ngokuqhubekayo ngokutshalwa kwezimali kwemishini yokukhiqiza esebenza ngamandla okunciphisa umthelela wekhabhoni emisebenzini yayo, okuhambisana nezinjongo zokuzinza abasiza amaklayenti abo ukuba azifeze. Labo abanesithakazelo endleleni yenkampani yokukhiqiza namazinga ekhwalithi bangahlola kabanzi ku-Okuhlangenwe ikhasi, elichaza umlando wokusebenza namakhono obuchwepheshe.

Ukuvumelana kobuchwepheshe bokupakisha obusimeme bukaHaidaifeng kwenza kube nokwenzeka ukuthi busebenze ezimbonini eziningi ezahlukahlukene, ngayinye inezidingo zayo ezihlukile zokusebenza kanye nemithetho yokulawula. Emkhakheni wokupakisha ukudla, ama-film abo aphezulu asetshenziselwa izithelo ezintsha, inyama, ubisi, kanye nezimpahla ezomile, kugcinwa ikhwalithi yomkhiqizo futhi kunwetshwa isikhathi sokugcina kuyilapho kuhlinzekwa ngesisombululo sokugcina esingaboliswa. Imboni yeziphuzo nayo yamukele lezi zinto zokupakisha iziphuzo eziningi, izikhwama ezinciphayo, ngisho nezicelo zokuthintana ngqo nolwazi lapho ukungathathi hlangothi kokunambitheka nephunga kuyizici ezibalulekile. Ukupakisha imithi kungase kube indawo efuna kakhulu, edinga izinto ezingamelana nezinqubo zokubulala amagciwane kuyilapho kugcinwa izici eziqondile zokuvikela isikhathi eside, futhi imikhiqizo kaHaidaifeng ihlolwe kakhulu ukuze ihlangabezane nalezi zindinganiso eziqine kakhulu. Amaqembu ezobuchwepheshe enkampani asebenza eduze nekhasimende ngalinye ukuze aqinisekise ukusebenza kwezinto ezimeni zangempela, enze izifundo zokuguga ezisheshayo kanye nokulingisa kokusabalalisa ukuze kuqinisekiswe ubuqotho bokupakisha kusukela emgqeni wokukhiqiza kuya kumthengi wokugcina.

Ezicelo zokupakisha ezinezimo eziguquliweyo, iHaidaifeng yenze amafomula akhethekileyo amafilimu agcina imixube eqondileyo yegesi ye-nitrogen, i-carbon dioxide, ne-oxygen ngaphakathi kwendawo engaphezulu yepakethe, igcina ubusha nokubukeka kokudla okonakalayo izikhathi eziningi kakhulu. Izixazululo zabo zokupakisha ze-aseptic ziqinisekiswe ukuthi zingasetshenziswa ezindaweni zokucubungula ezishisa kakhulu lapho ubunyumba bungadingeki khona, zinikeza enye indlela ebilisiweyo ezakhiweni eziningi ze-aluminium ne-plastic ezilawula le makethe namuhla. Ukuhambisana kwezinto zeHaidaifeng nezinhlelo zokuzenzakalela zokupakisha ezisheshayo kube yisici esikhulu empumelelweni yazo yezentengiselwano, njengoba abaphathi bemigqa yokupakisha bebika izidingo ezincane zokulungisa lapho besuka kumafilimu ajwayelekile baye kwezinye izindlela ezibili. Amabhizinisi kuyo yonke le mikhakha angathola izifundo zamacala neziqondiso ezithile zezicelo ku-Izindaba ikhasi, elibonisa izibuyekezo ezijwayelekile mayelana nokuthuthukiswa komkhiqizo omusha kanye nobudlelwano bemboni. Ububanzi balobu buchwepheshe bokupakisha obusimeme bukhombisa ukuthi buphumelele ezindaweni ezikhethekile futhi manje buyisixazululo esisebenzayo sezidingo eziyinhloko zokupakisha ezimbonini.

Esinye sezibonelo ezicela kakhulu zobuchwepheshe bukaHaidaifeng sivela kumkhiqizi omkhulu wobisi owaguqulela yonke imikhiqizo yabo yezinkomishi zeyogathi kusuka ku-polystyrene yakudala kuye esisombululo sephepha esibhodwe ngendlela ye-biodegradable. Ikhasimende belidinga impahla engakwazi ukugcina ubusha bomkhiqizo ocebile ngama-acid okungenani izinsuku ezingu-21 ngenkathi ibhekana nomswakama kanye nengcindezi yemishini yokusabalalisa efrijini, futhi ifomula yokubhodela eyenziwe ngokwezifiso kaHaidaifeng yethula ukusebenza komgoqo okudlule ngisho nezinga langaphambili lepulasitiki. Inqubo yokusebenzisa yafaka ukwethulwa okuhleliwe ezindaweni ezintathu zokukhiqiza, neqembu lobuchwepheshe bukaHaidaifeng lihlinzeka ngosizo olusezingeni eliphezulu ngesikhathi sokuguqulwa ngalunye ukuze kuthuthukiswe izinga lokushisa lokubopha, izikhathi zokubamba, kanye nezinga lemigqa yempahla entsha. Umphumela wawukuncipha okungu-40% kwezinto ezingcolisa umoya ezivela ekupakisheni, isitifiketi esiphelele sokubola embonini, futhi akukho ukwanda okulinganisekayo kudoti lomkhiqizo ohlobene nokupakisha noma izikhalazo zamakhasimende. Lokhu kuthunyelwa okuphumelelayo kusukela kwenziwa kabusha kulo lonke uhlu lomkhiqizo wekhasimende, kubonisa ukukala nokwethembeka kobuchwepheshe.

Elinye icala elibalulekile lihilela umthumeli omkhulu wezithelo nemifino omusha owamukela ama-films kaHaidaifeng angaboli, anobubanzi obuphezulu, wokupakisha okuguquguqukayo kwezithelo zamajikijolo nemifino enamahlamvu ehambela izimakethe zamazwe ngamazwe. Inkinga lapha yayiyinkimbinkimbi kakhulu ngoba le mikhiqizo idinga amazinga okunqamuka komoya-mpilo ne-carbon dioxide acacile okumele agcinwe phakathi nokuhamba okude kwe-cold-chain okuhlala kufika emavikini amathathu. Ososayensi bezinto zokwakha zikaHaidaifeng benze ukuhlolwa okuningiliziwe kwe-permeation futhi bakha ifomula ye-film enezindlela zokubhola ezincane ezilungiswe kahle ngokukhethekile amazinga okuphefumula ohlobo ngalunye lomkhiqizo, okuphumelele ukunwetshwa kwesikhathi sokugcina okungu-5 kuye kwezingu-7 izinsuku uma kuqhathaniswa nama-films epulasitiki ajwayelekile ayesevele esetshenziswa. Ikhasimende liphinde labika ukuthuthukiswa kombono womkhiqizo phakathi kwabathengisi nabathengi abazi ngemvelo, okuholele ekukhuleni okulinganisekayo kokuthengisa ezimakethe lapho isitifiketi sokusimama siyisici sokuthenga. Ezinkampanini ezithanda ukuhlola ukuthi izixazululo zikaHaidaifeng zingalungiswa kanjani ngezicelo zazo ezithile,Xhumana NathiIkhasi lihlinzeka ngeziteshi ezidingekayo ukuze kuqalwe ukubonisana kwezobuchwepheshe. Lezi zifundo zibeka esidlangaleni ukusebenza kwezinto ezithuthukisiwe ezibhidlika kalula, kanye nokuba nenzuzo kwezohwebo lapho ziklanywa ngokuqonda okujulile kwezimfuneko zemakethe ezithile.

Umkhondo wezokupakisha ubonakala ngokucacile uhamba phambili ekugcineni, futhi izinkampani ezibeka indawo yazo phambili kulolu shintsho zizothola izinzuzo ezinkulu zokuncintisana eminyakeni ezayo. I-Haidaifeng (Shandong) New Material Technology Co., Ltd. ibonise ukuthi izinto zokwakha eziphumelelayo eziphilayo akuzona nje ithuba lesikhathi esizayo kodwa yiqiniso langempela, nezicelo eziqinisekisiwe ezihlanganisa ukudla, iziphuzo, imithi, kanye nezimboni zokupakisha. Ukuzinikela kwabo ekuqhubekeni kokwakha, ukulawula ikhwalithi okuqinile, kanye nobudlelwano obujulile bobuchwepheshe namakhasimende kubeka izinga lokuthi yini umkhakha wezobuchwepheshe bokupakisha obuhlala buhle lungakwenza uma isayensi kanye ne-pragmatism yokuhweba kuhambisana. Ukuhlanganiswa kwezinto zabo ezinhlelweni zokupakisha ezikhona kanye nezinqubo zokukhiqiza kwehlisile umngcele wokwamukela kakhulu, kwenza ukuthi ukugcinwa kube lula kumabhizinisi onke, hhayi kuphela kulawo anemithombo yokwenza ushintsho oluphelele lokupakisha.

Ngokubheka phambili, ukuhlanganiswa kwezinto ezingaboli ngemikhiqizo yokupakisha ehlakaniphile, izinhlelo zokugaywa kabusha ezithuthukisiwe, kanye namamodeli ebhizinisi omnotho oyindilinga kuzodala amathuba amaningi okusungula izinto ezintsha nokudala inani. I-Haidaifeng yenza ucwaningo oluqhubekayo ngezinto zesizukulwane esilandelayo ezihlanganisa izinto zokuzwa ezisekelwe ku-bio, izakhiwo zokuzilungisa, kanye nokusebenza okukhulu kakhulu kokuvimbela, iqinisekisa ukuthi uhlelo lomkhiqizo wabo luhlala luhambisana nezidingo zemakethe eziguqukayo. Umsebenzi wenkampani embonini yokuphrinta nokupakisha uyaqhubeka nokudlula imingcele, idala ama-coatings nama-films amukela ukuphrinta kwedijithali, idatha eguquguqukayo, kanye nemidwebo enokulungiswa okuphezulu ngaphandle kokudela iziqinisekiso zayo zemvelo. Ezinkampanini ezifuna uzakwethu wezinguquko ohambweni lwazo lokusimama, i-Haidaifeng inikeza hhayi izinto kuphela kodwa ubuchwepheshe, ukwesekwa kwezifakazelo, kanye nendlela yokubambisana edingekayo ukuze kwenziwe ushintsho lube yimpumelelo. Ikusasa lokupakisha lisimeme, elisebenza kakhulu, futhi liyanda ukuhlakanipha, futhi i-Haidaifeng iyasiza ukwakha lelikusasa namuhla.