Ifilimu ye-EVOH/PP enezivimbo eziningi , eyaziwa nangokuthi ifilimu yezivimbo ze-EVOH esekelwe ku-PP, ifilimu yethreyi ye-PP enezivimbo eziningi noma ifilimu yezivimbo ze-MAP, iyifilimu yokupakisha enezingqimba eziningi eyenzelwe amathreyi e-polypropylene adinga ukuvalwa kokushisa okuthembekile kanye nokudluliswa komoya-mpilo okuncishisiwe.
Isakhiwo esivamile esisekelwe ku-PP esinezivimbelo eziphezulu sisebenzisa i-polypropylene njenge-polymer eyinhloko, ngesendlalelo esincane se-EVOH oxygen-barrier esibekwe phakathi kwe-PP kanye nezendlalelo ze-adhesive tie.
Izakhiwo ezivamile zifaka phakathi i-PP/Tie/EVOH/Tie/PP, i-BOPP/PP-EVOH-PP kanye namanye amafilimu ahlanganisiwe noma afakwe i-laminate anendawo yokuvala ehambisana nokudla ehambisana ne-PP.
I-EVOH inikeza isithiyo esiyinhloko se-oxygen, igesi kanye nephunga. I-PP ivikela ungqimba lwe-EVOH emswakama, inikeza amandla omshini futhi idala indawo engavalwa ngokushisa yamathileyi e-PP kanye ne-PP/EVOH/PP ahambisanayo.
Imikhiqizo ehloselwe ukuvala ngqo amathileyi e-PP alula kumele isebenzise i-sealant yokuxhumana nokudla ehambisana ne-PP. Ifilimu equkethe ungqimba lokuvala lwe-PE akufanele ichazwe ngokuzenzakalelayo njengefilimu ye-EVOH/PP noma kucatshangelwe ukuthi ivala yonke ithileyi ye-PP.
| Wesendlalelo Sefilimu | Komsebenzi Oyinhloko | Ukucatshangelwa Kokuthengwa |
|---|---|---|
| Isendlalelo Sangaphandle se-BOPP noma se-PP | Inikeza ukucaca, ukuqina, amandla, ukuzinza kobukhulu kanye nokunyatheliswa kalula | Qinisekisa ukujiya, umswakama, ukucwebezela, ukwelashwa kwendawo kanye nokumelana nokushisa |
| Isendlalelo Sokuphrinta | Uphatha ama-logo, ulwazi lomkhiqizo, ama-barcode, amakhodi e-QR kanye nezimpawu zokubhalisa | Qinisekisa uhlangothi lokuphrinta, inani lombala, ukuphindaphinda kokuphrinta, uphawu lwamehlo kanye nohlelo lweyinki |
| Isendlalelo Sesakhiwo se-PP | Inikeza amandla okusebenza, ukumelana nomswakama kanye nokuqukethwe kwezinto ezisetshenziswa yi-PP | Qinisekisa iphesenti le-PP, ukuqina, amandla okubhoboza kanye nezidingo zokushisa |
| Isendlalelo Sokubopha | Ibopha i-EVOH ezingqimbeni ze-PP ezizungezile | Qinisekisa ukunamathela kwesendlalelo, ukumelana nokuqhekeka okugobile kanye nokufaneleka kokuthintana nokudla |
| Isendlalelo Sesithiyo se-EVOH | Kunciphisa ukudluliswa komoya-mpilo, igesi kanye nephunga | Cacisa ibanga le-EVOH, ukujiya, i-OTR eqondiwe, izinga lokushisa kanye nomswakama ohlobene |
| Isendlalelo se-PP Sealant | Ihlinzeka ngokusebenza okulula kokukhuhla, ukukhuhla okulawulwayo noma ukuvala okukhiyiwe ku-flange ye-PP | Qondanisa i-sealant ne-resin yethreyi, ifasitela lokuvala kanye nendlela yokuvula edingekayo |
| Ukwelashwa Okulwa Nenkungu Ongakukhetha | Kunciphisa amaconsi okufiphala abonakalayo ebusweni obubheke ukudla | Qinisekisa izimo zenkungu ebandayo noma inkungu eshisayo, izinga lokushisa lokugcwalisa kanye nesikhathi sokugcina |
I-EVOH iyi-copolymer evimbelayo esebenza kahle esetshenziselwa ukunciphisa ukudluliselwa komoya-mpilo negesi ngokupakishwa kwepulasitiki.
Ukunciphisa ukungena komoya-mpilo kungasiza ekulawuleni ukubola, ukushintsha kombala, ukulahleka kwephunga, ukonakala kokunambitheka kanye nokubola kokudla okufakwe emaphaketheni afanele.
I-EVOH ayinikezi isithiyo samanzi nomhwamuko oyinhloko esakhiweni se-EVOH/PP. Izendlalelo ze-PP ezizungezile zinikeza iningi lokuvikelwa komswakama futhi zivikela ungqimba lwe-EVOH ekuchayweni ngqo komswakama.
Ukusebenza kwesithiyo se-EVOH kuncike ku:
Okuqukethwe kwe-ethylene ye-EVOH kanye nebanga le-resin
Ubukhulu besendlalelo se-EVOH
Isakhiwo sefilimu iyonke
Izinga lokushisa
Umswakama ohlobene
Ukugoba kwefilimu kanye nomonakalo womshini
Umlando wokucubungula ukushisa
Ithreyi, uphawu kanye nokwakhiwa okuphelele kwephakheji
Ithebula elilandelayo linikeza ububanzi bereferensi ye-HSQY yamanje. Imininingwane yokugcina kumele iqinisekiswe ngesakhiwo esiqondile esihambisana ne-PP esinezivimbelo eziphezulu.
| Uhlobo Lomkhiqizo | Ifilimu Yokumboza Ithreyi Enezithiyo Ezinkulu Esekelwe ku-PP |
| Izakhiwo Ezinconyiwe | I-PP/Tie/EVOH/Tie/PP, i-BOPP/PP-EVOH-PP noma esinye isakhiwo esinezingqimba eziningi esibusa i-PP |
| Isivali Sokuthinta Ukudla | Isendlalelo esilula sokuhlubula noma sokukhiya esihambisana ne-PP |
| Ubukhulu Bokubhekisela | Cishe ama-μm angu-50–90 ezakhiwo zamanje ezikhethiwe |
| Ububanzi Bokugoqa | Cishe 150–900 mm |
| Ububanzi Obukhethiwe | 180 mm, 320 mm, 400 mm, 640 mm kanye nobubanzi obungokwezifiso |
| Ubude beRoli Yereferensi | Cishe ama-500 m, kuncike ekujiyeni kwefilimu kanye nemikhawulo yesisindo sokugoqa |
| Ububanzi be-Core | Kwenziwe ngokwezifiso ngokusho komshini wokuvala ithreyi |
| Ukubukeka | Kucacile, kucwebezela kakhulu, akucwebezeli, kumhlophe noma kuphrintiwe ngokwezifiso |
| Izinketho Zokuvala | Ukuhlubuka okulula, ukuhlubuka okulawulwayo, ukuhlubuka okuqinile, ukukhiya uphawu noma ukushisela uphawu |
| Izinga Lokuvinjelwa | Kwenziwe ngokwezifiso ngokwe-OTR edingekayo, i-WVTR, izimo zokudla kanye nokugcina |
| Ukulwa nenkungu | Ongakukhetha futhi oqondene nohlelo lokusebenza |
| Ukuphrinta | Ukuphrinta kwe-flexographic noma i-gravure kuyatholakala ngephrojekthi |
| Isicelo Sethreyi Eyinhloko | Amathreyi e-PP, PP/EVOH/PP kanye namanye anendawo yokuvala ehambisanayo ye-PP |
| Inqubo Yokupakisha | Ukuvalwa komoya, i-MAP yokugeza igesi kanye ne-MAP ye-vacuum-and-gas ngemva kokuqinisekiswa |
| Ukusetshenziswa kwe-microwave, i-freezer noma i-retort | Kudinga izinga lokushisa elithuthukisiwe neliqinisekisiwe elihlukile |
| I-MOQ Yereferensi | Cishe i-1,000 kg ngesakhiwo noma incazelo ngayinye |
| Isikhathi Sokuhola Esibhekiselwe Ku- | Cishe izinsuku zokusebenza eziyi-10-15 ngemuva kokuqinisekiswa kwesakhiwo kanye ne-oda |
| Usekelo Lwesampula | Amasampula noma imiqulu yokuhlolwa ingaxoxwa ngokuya ngokutholakala kwezinto ezibonakalayo |
Isakhiwo, iphesenti le-PP, okuqukethwe kwe-EVOH, ukujiya, i-OTR, i-WVTR, uhlobo lwesivalo kanye nesimo sokuphinda kusetshenziswe kumele kuqinisekiswe ekuchazweni kobuchwepheshe kokugcina.
Ifilimu ye-EVOH/PP ehlubuka kalula ihlanganisa ukusebenza okuphezulu kwesithiyo se-oxygen nokuvulwa kwabathengi okulawulwayo.
Ifilimu eklanywe kahle ukuze ihlutshulwe kalula kufanele ihlale iphephile ngesikhathi sokugcwalisa, ukuthuthwa kanye nokugcinwa efrijini ngenkathi ivulwa kancane kancane kusuka kuthebhu yokuhlutshulwa.
Izinkomba ezibalulekile zokusebenza okulula ukuhlubuka zifaka:
Amandla okuqalisa ukuhluba
Amandla okusabalalisa amahlumela
Ukususwa kwesivalo sesiqephu esisodwa
Ukunqunywa okulinganiselwe, ukuxhunywa noma ukudabuka
Insalela encane ye-sealant ku-flange
Ukumelana nokuvuza ngesikhathi sokusabalalisa
Ukuhlubuka okuhlala njalo ngemva kokugcina endaweni epholile
Ukugcinwa kwezithiyo ngemva kokuvalwa
Ifilimu ye-EVOH/PP evala ngokuvala noma ngokushisela idala ukuvala okuqinile, okungaxegi kakhulu kuthreyi ye-PP ehambisanayo.
Kukhethwa lapho ukumelana nokuvuza, ubufakazi bokuphazamiseka, ukugcinwa kwegesi ye-MAP kanye nokuphepha kwezokuthutha kubaluleke kakhulu kunokulula kokuvula ngesandla.
Amaphakheji okuvala okukhiywayo angadinga ukusika, ukubhoboza noma ukudabula ngaphambi kokuvula. Ibanga lokuvala okukhiywayo akufanele lichazwe njengokuhlubuka okulula.
Buyekeza okuhlobene Umkhiqizo we-HSQY wefilimu yokumboza enesivalo esikhulu futhi uqinisekise ukuthi isivalo sayo sokuxhumana nokudla siyahambisana ne-PP noma sisekelwe ku-PE ngaphambi koku-oda amathreyi e-PP.
| Ukuqhathanisa i | -Easy Peel | Lock Seal |
|---|---|---|
| Indlela Yokuvula | Ukuhluba ngesandla okulawulwayo | Kungadingeka ukusika, ukubhoboza noma ukuklebhula |
| Ukunethezeka Kwabathengi | Okuphakeme | Ngaphansi |
| Ukuphepha Kwephakheji | Ilinganisela kalula ekuvuleni | Ukumelana okunamandla ekuvulekeni ngengozi |
| Ukugcinwa Kwegesi Kwemephu | Kufanelekile uma ubuqotho bokuhlubuka nokuvala bulinganiswe kahle | Ibeka phambili ukugcinwa kwe-seal eqinile kanye negesi |
| Izicelo Ezijwayelekile | Inyama ethengiswayo, ushizi, ukudla okulungele kanye nezingxenye zabathengi | Ukudla okunothe ngoketshezi, isevisi yokudla kanye namaphakheji azwela ezokuthutha |
I-OTR kanye ne-WVTR zilinganisa izakhiwo zokupakisha ezahlukene futhi akufanele zisetshenziswe ngokushintshana.
| Lokulinganisa | Lokho Okukalayo | Ulwazi Lokuhlola Oludingekayo |
|---|---|---|
| I-OTR | I-oksijini edlula endaweni yefilimu echaziwe esikhathini esichaziwe | Indlela yokuhlola, izinga lokushisa, umswakama ohlobene, ubukhulu befilimu, amayunithi kanye nezimo zokucindezela |
| I-WVTR | Umhwamuko wamanzi udlula endaweni yefilimu echaziwe ngokuhamba kwesikhathi | Indlela yokuhlola, izinga lokushisa, i-gradient yomswakama, ubukhulu befilimu namayunithi |
| Ukungena kwe-oxygen okugcwele | I-oksijini engena ngesembozo, ithileyi, uphawu, amakhona, imigodi kanye nokuvuza | Ubukhulu bethileyi, ububanzi besivalo, isikhathi sokugcina, indlela yokuvuza kanye nenhloso ye-oxygen esele |
Umphumela we-OTR wefilimu kuphela awumeleli ukungena komoya-mpilo kwephakheji ephelele evaliwe.
| Kwezinto Zethreyi | Isiqondiso Sokuhambisana |
|---|---|
| Ithreyi ye-PP | Ukusetshenziswa okuyinhloko lapho ifilimu isebenzisa ungqimba lokuvala oluhambisanayo lwe-PP |
| Ithreyi ye-PP/EVOH/PP | Ifanele uhlelo oluphelele lwe-PP MAP olunezivikelo eziphakeme lapho indawo yokuvala iyi-PP |
| Ithreyi ye-PP/EVOH/PE | Ukuhambisana kuncike ekutheni i-flange yethreyi ine-PP, i-PE noma ungqimba lwe-sealant oluguquliwe |
| Ithreyi Elimbozwe Nge-PE noma Nge-PE | Kudinga isivali esihambisana ne-PE kunesivali esijwayelekile se-PP |
| Ithreyi ye-APET, i-rPET noma i-PET/PE | Kudinga ifilimu ehambisana ne-PET noma i-PE ekhethiwe ngokwendawo yangempela ye-flange |
| Ithreyi ye-CPET | Kudinga ifilimu ehambisana ne-CPET, ikakhulukazi izinhlelo zokusebenza ze-microwave noma ze-oven |
| Ithreyi ye-PS, i-PVC noma i-Aluminium | Kudinga ikhemistri yokuvala ukushisa eqondene ne-substrate ethile |
Amasampula ethreyi angokoqobo noma incazelo ephelele yengqimba yethreyi kufanele inikezwe ngaphambi kokuba kuqinisekiswe i-oda lefilimu enkulu.
Ukuze uthole amafilimu ethreyi ajwayelekile, angewona awe-EVOH PP, buyekeza ama-HSQY Uhla lwefilimu yokuvala uphawu lwe-BOPET/CPP .
Ukupakishwa komoya okushintshiwe kuthatha indawo yomoya ovamile ovamile ephaketheni ngengxube yegesi ekhethiwe ngaphambi kokuvala.
Iphakheji ephelele ye-MAP enezithiyo eziphakeme idinga:
Ifilimu yokumboza ene-OTR efanelekile kanye nokusebenza kahle kwesivalo
Ithreyi ye-PP ehambisanayo enezivikelo eziphakeme
Isivalo esiqhubekayo nesingenawo amanzi
Ingxube yegesi efanele
I-oxygen esele elawulwayo
Isikhala sekhanda esanele
Hlanza ama-flange ethreyi
Ukuhlanzeka kokudla okuqinisekisiwe kanye ne-microbiology
Iketanga lokubanda eliqandisiwe eliqinile
Ifilimu yokumboza yodwa ayikwazi ukuqinisekisa ukuthi izohlala isikhathi esingakanani. Isikhathi sokuhweba sokuhlala isikhathi esingakanani kumele sisungulwe kusetshenziswa ukudla, ithileyi, ifilimu, ingxube yegesi, imishini kanye nenqubo yokugcina.
Ifilimu yokumboza ye-EVOH/PP ingahlolwa yenkomo, ingulube, iwundlu, inyama egayiwe, amasoseji kanye nenyama ecutshunguliwe epakishwe ngaphansi kwesimo sezulu esishintshiwe.
Izicelo zifaka inkukhu, i-turkey, inkukhu efakwe emanzini anosawoti kanye nemikhiqizo yenkukhu elungisiwe edinga ukuvikelwa komoya-mpilo kanye nokuvalwa okuqinile.
Izinhlanzi ezifakwe ezinhlanzini, ama-shrimp, ama-shellfish kanye nokudla kwasolwandle okulungisiwe kungadinga isithiyo esikhulu se-oxygen, ukucaca okulwa nenkungu, ukumelana nokubhoboza kanye nokuqina okuqinile kwephakeji ebandayo.
Izingxenye zikashizi, ushizi oqoshiwe kanye nokudla kobisi okukhethiwe kungazuza ekunciphiseni ukuchayeka komoya-mpilo kanye nokudluliswa kwephunga.
Ifilimu yokumboza i-PP enezivikelo eziphakeme ingasetshenziswa ezitsheni zenyama ezibandayo, i-pasta, ilayisi, imifino, amasoso kanye nokudla okulungisiwe okupakishwe kumathileyi e-PP ahambisanayo.
Izakhiwo zokuvala ezikhiyiwe zingahlolwa ngemikhiqizo ecebile ngoketshezi edinga ukumelana nokuvuza kanye nokudluliswa kwephunga okulawulwayo.
Ifilimu enezivikelo eziphakeme ayifanele zonke izithelo noma imifino. Imikhiqizo yokuphefumula ingadinga ukugeleza okulawulwayo noma ukubhoboka okuncane ukuze kuvinjelwe umoya ongafanele wephakheji.
Ukwelashwa kokulwa nenkungu kanye nokuvinjelwa komoya-mpilo kuyimisebenzi ehlukene.
I-EVOH ilawula ukudluliswa komoya-mpilo kanye negesi, kuyilapho ukwelashwa okulwa nenkungu kushintsha indlela umswakama ohlanganisiwe osakazeka ngayo ebusweni befilimu ebheke ukudla.
Ukusebenza kokulwa nenkungu kuncike ekushiseni kokudla, umswakama womkhiqizo, isivinini sokupholisa, izinga lokushisa lokugcina elifrijiwe, ukushintshashintsha kwezinga lokushisa, ukuqondiswa kwefilimu kanye nobude besikhathi sokugcina.
Ifilimu elwa nenkungu inciphisa amaconsi abonakalayo kodwa ayiqedi umswakama noma ukuminyana ngaphakathi kwephakeji.
Isakhiwo esisekelwe ku-PP singase sakhiwe ukuze sisetshenziswe kuma-microwave, kodwa ukufaneleka kwama-microwave akwenziwa ngokuzenzakalelayo.
Ithreyi ephelele, ifilimu, isivalo, ukudla, amandla e-microwave, isikhathi sokushisa kanye nemiyalelo yokukhulula umusi kumele iqinisekiswe.
Isakhiwo esisezingeni lefriji singathuthukiswa, kodwa ukuguquguquka kwezinga lokushisa eliphansi, amandla okushaya, ukugcinwa kwesivalo, ukususwa kwe-denamination kanye nokumelana nokubhoboza kumele kuhlolwe.
Ukupakishwa kwe-retort kudinga isakhiwo se-PP ne-EVOH esikhethekile sezinga loku-retort.
Ifilimu yokudla okubandayo ejwayelekile akufanele isetshenziselwe ukucubungula impendulo ngaphandle kokuqinisekiswa ngokushisa okuhlosiwe, ingcindezi, ubude besikhathi kanye nezimo zokudla.
Ifilimu yesivalo se-EVOH/PP ingaguqulwa ibe imishini yokuvala ithreyi esetshenziswa ngesandla, ezenzakalelayo kanye ne-othomathikhi ngokugcwele.
Abathengi kufanele bahlinzeke:
Umkhiqizi kanye nomodeli we-tray-sealer
Isakhiwo sesikhunta sethreyi kanye nomgodi
Inqubo yomoya, yokushaja igesi noma yokushaja igesi
Ububanzi befilimu obudingekayo
Ububanzi bangaphakathi be-core
Ububanzi obukhulu bokugoqa ngaphandle
Isisindo esiphezulu sokugoqa
Ukuvala uhlangothi oluboshwe ngaphakathi noma ngaphandle
Isiqondiso sokuphumula sefilimu
Izinga lokushisa lokuvala
Ingcindezi yokuvala
Isikhathi sokuhlala
Isivinini sokukhiqiza
Indlela yokusika ifilimu
Inzwa yokubhalisa ukuphrinta
I-HSQY iphinde inikeze imishini yokuvala ithreyi yokudla yokuvala ithreyi ejwayelekile kanye nezinhlelo zokusebenza ze-MAP ezikhethiwe.
Ifasitela lokuvala liwububanzi bokushisa, ingcindezi kanye nesikhathi sokuhlala okudala ukuvala okuqhubekayo ngaphandle kokulimaza ifilimu noma ithileyi.
Izivivinyo zokukhiqiza kufanele zihlole:
Izinga lokushisa lokuqalisa uphawu
Izinga lokushisa eliphezulu ngaphambi kokuhlanekezelwa kwefilimu noma kwethreyi
Ingcindezi yokuvala edingekayo
Isikhathi esincane sokuhlala esisebenzayo
Amandla okushisa
Ukuqina kokuvala ngemva kokupholisa
Amandla okuqala nokusabalalisa amahlumela
Ukusebenza kokungcola kokuvala
Imibimbi nokuvuza kweziteshi
Ukuguqulwa kwethreyi ne-flange
Ukulandelela nokusika ifilimu
Ukuvuza kwephakheji nokumelana nokuqhuma
I-oxygen esele kanye nokugcinwa kwegesi ye-MAP
| Inkinga | Engabangela | Izinto Okufanele Zihlolwe |
|---|---|---|
| Ifilimu Ayivali | I-PE sealant inikezwa ithreyi ye-PP, ifilimu ebuyiselwe emuva noma amandla okuvala anganele | Isendlalelo esiqondile se-sealant, i-tray flange, izinga lokushisa, ingcindezi kanye nesikhathi sokuhlala |
| Iphakheji Ilahlekelwa Igesi Yemephu | Isithiyo sethreyi esiphansi, isivalo esingaphelele, imbobo yephini, ukubhoboza noma isithiyo sefilimu esinganele | I-OTR yefilimu, i-OTR yethreyi, ukuqhubeka kwesivalo, izinga lokuvuza kanye nomonakalo wephakheji |
| Isithiyo Siphansi Kunalokho Okulindelekile | Umswakama ophezulu, ukujiya kwe-EVOH okunganele, ukuqhekeka okugobile noma ukuqhathaniswa kokuhlolwa okungafanele | Izinga lokushisa lokuhlola, umswakama ohlobene, ukujiya kwefilimu kanye nesakhiwo esiphelele |
| I-oksijini Esele Iphakeme Kakhulu | Ukushaja igesi okunganele, i-vacuum enganele, ukuvuza noma umoya wokuqala omningi kakhulu | Ukugeleza kwegesi, umjikelezo we-vacuum, indawo yekhanda, ubuqotho bamathuluzi kanye nokuvalwa |
| Ama-Delaminate efilimu | Izendlalelo zethayi ezibuthakathaka, ukwelashwa okunamathelayo okunganele, ukushisa ngokweqile noma ukuchayeka kumakhemikhali | Isakhiwo sesendlalelo, amandla esibopho, izimo zokupholisa kanye nokwakheka kokudla |
| Ukuvuza Kwephakheji | Ukungcola kokudla, imibimbi, ukubhoboza, amathileyi onakele noma izivalo ezingaphelele | Ukuhlanzeka kwe-flange, ubuqotho befilimu, isimo sethreyi kanye nokuqhubeka kokuvala okugcwele |
Ukufaneleka kokuthintana nokudla kuncike ku-resin ye-PP eqondile, izinga le-EVOH, izendlalelo zokubopha, inhlaka, i-sealant, ukwelashwa kokulwa nenkungu, uyinki wokuphrinta, uhlobo lokudla kanye nezimo zokusetshenziswa.
Abathengi kufanele bacele amadokhumenti atholakalayo efilimu yezentengiselwano evunyelwe ngqo, okuhlanganisa:
Ishidi ledatha lobuchwepheshe
Isitifiketi sokuhlaziywa
Isimemezelo sokuxhumana nokudla
Imibiko yokufuduka noma yokuthobela imithetho
Imibiko yokuhlolwa kwe-OTR kanye ne-WVTR
Indlela yokuhlola amandla esivalo
Izitatimende zezidakamizwa ezinqunyelwe
Amarekhodi okulandelela amaqoqo
Ukupakishwa kwezokwelapha kanye nemithi akufanele kukhuthazwe ngaphansi kwencazelo ejwayelekile yokumboza ukudla ngaphandle kokuhlanzeka okuhlukile, ukubulala amagciwane, ukuqinisekiswa kanye nemibhalo yezomthetho.
Ifilimu ye-EVOH esekelwe ku-PP ingaklanywa njengesakhiwo esihambisana nokusetshenziswa kabusha lapho i-polypropylene ihlala iyi-polymer evelele kanti i-EVOH, izendlalelo zokubopha, uyinki kanye nopende kuhlala ngaphakathi kwemingcele eyamukelekayo.
Kodwa-ke, akuwona wonke amafilimu aqukethe i-PP ne-EVOH angasetshenziswa kabusha ngokuzenzakalelayo.
Ukuphinda kusetshenziswe kuncike ku:
Iphesenti eliphelele le-PP
Amaphesenti e-EVOH
Okuqukethwe kwesendlalelo se-tie kanye ne-glue
Ukuba khona kwe-PE, i-PET, i-PA noma amanye ama-polymer
Uyinki wokuphrinta, izembozo kanye nama-anti-inkungu
Izinto zethreyi
Ikhono lokuhlukanisa isembozo nethreyi
Ukungcola kokudla
Ingqalasizinda yokuqoqa nokuhlunga yendawo
Iziqondiso zokuklama indawo oya kuyo emakethe ukuze kusetshenziswe kabusha
Isakhiwo se-BOPP/EVOH/PE siqukethe kokubili i-PP ne-PE futhi akufanele sichazwe njengefilimu ye-mono-PP ngaphandle kokuthi ukuhlolwa okuqashelwayo kusekela isimangalo.
Ubukhulu befilimu obujwayelekile ngokwezifiso
Izilinganiso zesendlalelo se-PP kanye ne-EVOH ezenziwe ngokwezifiso
Ukwakheka okulula ukuhlubula noma ukukhiya
Amandla okukhuhla noma ukushisela ngokwezifiso
Ama-OTR kanye nama-WVTR aqondiwe ngokwezifiso
Ukwelashwa okulwa nenkungu
Ukusebenza kokungcola kokuvala
Isakhiwo esimelana nokubhoboza
Ibanga le-microwave eliqondene nohlelo lokusebenza
Ibanga lefriji eliqondene nohlelo lokusebenza
Ibanga lokuphendula eliqondene nohlelo lokusebenza
Ukuphrinta ngokwezifiso kanye nezimpawu zokubhalisa
Ububanzi befilimu ngokwezifiso kanye nobude bokugoqa
Umongo ongokwezifiso kanye nobubanzi obukhulu bokugoqa
Isiqondiso sokugoba ngokwezifiso
Izakhiwo ezigxile ekusetshenzisweni kabusha ezigxile ku-PP
Amabhokisi enziwe ngokwezifiso, amalebula kanye nama-pallet okuthumela ngaphandle
Ukuqinisekiswa kwezinto ze-PP, EVOH kanye ne-tie-layer
Ubukhulu befilimu kanye nokusatshalaliswa kwesendlalelo
Ububanzi nobude bokugoqa
Usayizi oyinhloko kanye nobubanzi bomgoqo ongaphandle
Ukungezwani komoya kanye nokuqondanisa umqulu
Ukucaca, inkungu kanye nokucwebezela
Amandla esibopho esiphakathi kwezingqimba
Isilinganiso sokungqubuzana
Izinga lokushisa lokuqalisa uphawu
Amandla okushisa
Amandla okuvala noma okususa ukukhiya
Ukumelana nokubhoboza kanye nokuqhekeka okugobile
I-OTR kanye ne-WVTR ngaphansi kwezimo ezithile
Ukuhlolwa kokulwa nenkungu uma kudingeka
Umbala wokuphrinta kanye nokunemba kokubhalisa
Ukubuyekezwa kwamadokhumenti okuxhumana nokudla
Ukuvikelwa kokupakishwa kanye nephalethi
Izinto zethreyi kanye nesakhiwo sesendlalelo esiphelele
Izinto eziku-flange yokuvala ithreyi
Amasampula ethreyi angokoqobo
Ubukhulu bethreyi nobubanzi beflange
Ukudla noma umkhiqizo opakishiwe
Izinga lokushisa lokugcwalisa
Isikhathi sokuphila esidingekayo seshelufu kanye nokushisa kokugcina
Ingxube yegesi ye-MAP kanye nethagethi ye-residual-oxygen
I-OTR ne-WVTR ezidingekayo nezimo zokuhlola
Isidingo sokuvala kalula noma sokuvala ngokukhiya
Amandla okuhlubula noma okuvala okuqondiwe
Imfuneko yokulwa nenkungu
Isidingo se-microwave, ifriji noma i-retort
Ubukhulu befilimu, ububanzi kanye nobude bokugoqa
Ububanzi obuyinhloko kanye nobubanzi obukhulu bokugoqa
Isiqondiso sokugoba ohlangothini lokuvala
Umkhiqizi kanye nomodeli womshini wokuvala ithreyi
Ukushisa kokuvala, ingcindezi kanye nesikhathi sokuhlala
Isivinini sokukhiqiza
Ukuphrinta umsebenzi wobuciko kanye nobude obuphindaphindwayo
Imibhalo edingekayo yokuxhumana nokudla kanye neyokuvimbela
Inani le-oda kanye nokusetshenziswa konyaka
Izwe oya kulo, ichweba noma ikheli lokulethwa
Yifilimu enezingqimba eziningi esekelwe ku-PP equkethe ungqimba oluncane lwe-EVOH olunciphisa ukudluliswa komoya-mpilo kanye negesi.
Izakhiwo ezivamile zifaka phakathi i-PP/Tie/EVOH/Tie/PP kanye ne-BOPP/PP-EVOH-PP ene-sealant yokuxhumana nokudla ehambisana ne-PP.
Cha. I-BOPP/EVOH/PE iqukethe ungqimba lokuvala lwe-PE, kuyilapho ifilimu yangempela esekelwe ku-PP eyenzelwe amathreyi e-PP alula kufanele isebenzise ungqimba lokuvala oluhambisana ne-PP.
I-EVOH inikeza isithiyo esiyinhloko se-oxygen, igesi kanye nephunga.
Hhayi ngokuyinhloko. I-PP inikeza iningi lokumelana nomswakama futhi ivikela ungqimba lwe-EVOH oluzwela umswakama.
Ukusebenza kwe-EVOH-oxygen-barrier kuyashintsha ngomswakama, izinga lokushisa, ibanga kanye nobukhulu. Inani le-OTR ngaphandle kwemibandela yokuhlola aliphelele.
Yebo, uma ifilimu isebenzisa ungqimba lokuvala oluhambisanayo lwe-PP futhi idlula ukuhlolwa kokuvala ngethreyi langempela.
Yebo, uma i-flange yethreyi iveza indawo ehambisanayo ye-PP futhi isithiyo esiphelele sephakheji siqinisekisiwe.
I-PP sealant ejwayelekile akufanele ithathwe njengevala izindawo ze-PET noma ze-PE. Kudingeka ifilimu ethile ye-substrate.
Ukusebenza okulula kokuhluba kungathuthukiswa kusetshenziswa indlela yokwakheka kwe-sealant ehlubayo ehambisana ne-PP.
Idala uphawu oluqinile noma olungaqhekeki kakhulu lokuphepha kwephakeji, ukumelana nokuvuza kanye nokugcinwa kwegesi ye-MAP.
Yebo, uma ihlanganiswa nethileyi elihambisanayo elinomkhawulo ophezulu, uphawu oluthembekile, ingxube yegesi efanelekile kanye nochungechunge olubandayo oluqinisekisiwe.
Cha. Isikhathi sokulinda sincike nasekuphepheni kokudla, inhlanzeko, isithiyo sethreyi, ingxube yegesi, i-oxygen esele, ubuqotho besivalo kanye nokushisa kokugcina.
Yebo. Ukwelashwa okulwa nenkungu kungenziwa ngokwezifiso zenyama ebandayo, ukudla kwasolwandle, ubisi kanye nokupakishwa kokudla okulungele.
Isakhiwo sezinga le-microwave singathuthukiswa, kodwa ifilimu ejwayelekile akufanele ichazwe ngokuzenzakalelayo njengengafakwa kwi-microwave.
Isakhiwo sezinga lefriji sidinga ukuqinisekiswa okuhlukile kwamandla okushaya, ukugcinwa kwesivalo kanye nokunamathela kwesendlalelo.
Isakhiwo se-PP/EVOH/PP esisezingeni lokuphendula kuphela okufanele sisetshenziswe ekucubungulweni kwe-retort.
Ububanzi bereferensi ye-HSQY yamanje bungaba ngu-50–90 μm, kuncike kwisakhiwo esiqondile sezingqimba eziningi.
Ububanzi bokubhekisela bungaba ngu-150–900 mm, kufaka phakathi ububanzi obukhethiwe obungu-180 mm, 320 mm, 400 mm kanye no-640 mm.
Yebo. Ama-logo, ihluzo, izithako, ama-barcode, amakhodi e-QR kanye nezimpawu zokubhalisa zingaphrintwa.
Isakhiwo esibusa i-PP singase sihambisane nezinhlelo zokuvuselela i-PP uma i-EVOH nezinye izingxenye zihlala ngaphakathi kwemingcele eyamukelekayo. Kusadingeka ukuhlolwa okuqondene nemakethe.
I-MOQ ebhekiselwe njengamanje icishe ibe yi-1,000 kg ngesakhiwo noma incazelo ngayinye.
Isikhathi sokuhola sokukhiqiza okubhekiselwe cishe siyizinsuku zokusebenza eziyi-10-15 ngemuva kokuqinisekiswa kwesakhiwo kanye nemininingwane yezentengiselwano.
Amasampula noma imiqulu yokulinga ingaxoxwa ngokuhambisana kwethreyi, amandla okuvala, i-OTR, i-anti-fog kanye nokuhlolwa komugqa we-MAP.
Ufuna umkhiqizi wefilimu yokumboza e-EVOH esekelwe ku-PP, ifilimu ye-MAP ehlubula kalula, ifilimu yokukhiya noma isisombululo sokumboza ithreyi esingasetshenziswa kabusha se-PP?
Xhumana ne-HSQY ngesakhiwo sethreyi yakho, isicelo sokudla, i-OTR target, uhlobo lwesivalo, imodeli yomshini kanye nokusetshenziswa konyaka ukuze ucele izincomo zobuchwepheshe, amasampula kanye namanani efektri.
Isigaba Somkhiqizo