UHLALUTYO LWESAKHIWO SEMVELISO SEENGXOWA EZIPHENDULAYO

●Ungaprinta iipateni ezintle kakhulu.

●Ihlala ixesha elide (iinyanga ezi-6-12) kubushushu begumbi kwaye kulula ukuyivala nokuyivula.

●Akukho mfuneko yokuba kufakwe ifriji, nto leyo egcina iindleko zokuyigcina ifriji.

●Ifanelekile ukupakisha iintlobo ezininzi zokutya, njengenyama nenkukhu, iimveliso zasemanzini, iziqhamo nemifuno, ukutya okuhlukahlukeneyo kweenkozo, kunye neesuphu.

●Ingafudunyezwa kunye nephakheji ukuthintela ukuba incasa ingalahleki, ngakumbi ifaneleke emsebenzini wasentsimini, uhambo, kunye nokutya kwasemkhosini.

Ukuveliswa kweengxowa zokupheka ezipheleleyo, kuquka uhlobo lomxholo, ukuqinisekiswa komgangatho wokuqonda ngokupheleleyo uyilo lwesakhiwo semveliso, i-substrate kunye ne-inki, ukhetho lwe-adhesive, inkqubo yemveliso, uvavanyo lwemveliso, ukupakisha kunye nolawulo lwenkqubo yokubulala iintsholongwane, njl.njl., ngenxa yokuba uyilo lwesakhiwo semveliso yengxowa yokupheka luphambili, ngoko ke olu luhlalutyo olubanzi, kungekuphela nje ukuhlalutya ulwakhiwo lwe-substrate yemveliso, kunye nokuhlalutya ngakumbi ukusebenza kweemveliso ezahlukeneyo zesakhiwo, ukusetyenziswa, uKhuseleko kunye nococeko, uqoqosho njl.njl.

1. Ukonakala kokutya kunye nokubulala iintsholongwane
Abantu bahlala kwindawo engqonge iintsholongwane, yonke i-biosphere yomhlaba ikhona kwiintsholongwane ezingenakubalwa, ukutya ekuzaleni iintsholongwane okungaphezu komda othile, ukutya kuya konakala kwaye kulahlekelwe kukutya.

Isizathu sokonakaliswa kokutya kweebhaktheriya eziqhelekileyo yi-pseudomonas, i-vibrio, zombini ezimelana nobushushu, i-enterobacteria kwi-60 ℃ ukufudumeza imizuzu engama-30 ifile, i-lactobacilli ezinye iintlobo zinokumelana ne-65 ℃, imizuzu engama-30 yokufudumeza. I-Bacillus ngokubanzi inokumelana ne-95-100 ℃, ifudumeza imizuzu eliqela, ezimbalwa zinokumelana ne-120 ℃ ngaphantsi kwemizuzu engama-20 yokufudumeza. Ukongeza kwiibhaktheriya, kukwakho nenani elikhulu leefungi ekutyeni, kubandakanya iTrichoderma, igwele njalo njalo. Ukongeza, ukukhanya, ioksijini, ubushushu, ukufuma, ixabiso le-PH njalo njalo kunokubangela ukonakaliswa kokutya, kodwa eyona nto iphambili ziintsholongwane, ngoko ke, ukusetyenziswa kokupheka okushushu kakhulu ukubulala iintsholongwane yindlela ebalulekileyo yokugcina ukutya ixesha elide.

Ukubulala iintsholongwane kwiimveliso zokutya kunokwahlulwahlulwa kwi-72 ℃ pasteurization, i-100 ℃ ebilayo i-sterilization, i-121 ℃ ukubulala iintsholongwane kwiindlela zokupheka ezishushu kakhulu, i-135 ℃ ukubulala iintsholongwane kwiindlela zokupheka ezishushu kakhulu kunye ne-145 ℃ ukubulala iintsholongwane kwiindlela zokupheka ezishushu kakhulu, kunye nabanye abavelisi basebenzisa ukubulala iintsholongwane kwiindlela zobushushu ezingaqhelekanga malunga ne-110 ℃. Ngokweemveliso ezahlukeneyo zokukhetha iimeko zokubulala iintsholongwane, ezona meko zokubulala iintsholongwane zeClostridium botulinum zinzima kakhulu ukubulala iimeko zokubulala iintsholongwane zeClostridium botulinum ziboniswe kwiTheyibhile 1.

Itheyibhile 1 Ixesha lokufa kwee-spores zeClostridium botulinum ngokumalunga nobushushu

ubushushu obuphantsi	100	105	110	115	120	125	130	135
Ixesha lokufa (imizuzu)	330	100	32	10	4	Kwiminyaka yoo-80	30s	10s

2. Iimpawu zeMpahla yeSteamer

Iingxowa zengxowa zokupheka ezishushu kakhulu eziza nezi mpawu zilandelayo:

Umsebenzi wokupakisha ohlala ixesha elide, ukugcinwa okuzinzileyo, ukuthintela ukukhula kweebhaktheriya, ukumelana nokubulala iintsholongwane kubushushu obuphezulu, njl.

Yinto edityanisiweyo efanelekileyo kakhulu ekupakishweni kokutya okukhawulezileyo.

Uvavanyo oluqhelekileyo lwesakhiwo sePET/isincamathelisi/ifoyile yealuminiyam/iglu yesincamathelisi/inayiloni/i-RCPP

Ibhegi yokujika eshushu kakhulu enesakhiwo esineengqimba ezintathu zePET/AL/RCPP

IMIYALELO YEZINTO EZIPHATHELELEKILEYO

(1) Ifilimu yePET
Ifilimu yeBOPET inenye yeamandla aphezulu okuxinanazonke iifilimu zeplastiki, kwaye zinokuhlangabezana neemfuno zeemveliso ezincinci kakhulu ezinobulukhuni obuphezulu.

Ukumelana nokubanda kakhulu nobushushu.Uluhlu lobushushu olusebenzayo lwefilimu yeBOPET luqala kwi-70℃-150℃, olunokugcina iipropati zomzimba ezintle kakhulu kuluhlu lobushushu olubanzi kwaye lufanelekile uninzi lwephakheji yemveliso.

Ukusebenza kakuhle kwesithintelo.Isebenza kakuhle kakhulu ekuthinteleni amanzi nomoya, ngokungafaniyo ne-nylon echaphazeleka kakhulu kukufuma, ukumelana kwayo namanzi kufana ne-PE, kwaye i-coefficient yayo yokungena komoya incinci kakhulu. Inamandla amakhulu okuthintela umoya nevumba, kwaye yenye yezinto zokugcina ivumba elimnandi.

Ukumelana neekhemikhali, ukumelana neeoyile kunye neegrisi, uninzi lwezinyibilikisi kunye nee-asidi ezinyibilikisiweyo kunye nee-alkali.

（2）IFILIMU YEBOPA
Iifilimu zeBOPA zinobunzima obugqwesileyo.Amandla okutsalwa, amandla okukrazula, amandla okutsha kunye namandla okuqhekeka zezona zinto zibalaseleyo kwizixhobo zeplastiki.

Ukuguquguquka okugqwesileyo, ukumelana nemingxunya yemingxuma, akulula kwizinto ezikuyo, luphawu oluphambili lwe-BOPA, ukuguquguquka okuhle, kodwa kwenza ukupakisha kubonakale kumnandi.

Iimpawu ezintle zokuthintela, ukugcina ivumba elimnandi, ukumelana neekhemikhali ezingezizo ii-asidi ezinamandla, ingakumbi ukumelana neoyile okugqwesileyo.
Ngobuninzi bobushushu bokusebenza kunye nendawo yokunyibilika engama-225°C, ingasetyenziswa ixesha elide phakathi kwe--60°C kunye ne-130°C. Iimpawu zoomatshini ze-BOPA zigcinwa kubushushu obuphantsi nophezulu.

Ukusebenza kwefilimu ye-BOPA kuchaphazeleka kakhulu kukufuma, kwaye zombini iimpawu zozinzo kunye nezithintelo zichaphazeleka kukufuma. Emva kokuba ifilimu ye-BOPA ifumile, ukongeza ekushwabaneni, ngokubanzi iya kwandiswa ngokuthe tye. Ukunciphisa ubude, izinga lobude ukuya kuthi ga kwi-1%.

(3) ifilimu ye-CPP ye-polypropylene, ukumelana nobushushu obuphezulu, ukusebenza kakuhle kokutywina ubushushu;
Ifilimu ye-CPP eyenziwe ngefilimu ye-polypropylene ephosiweyo, ifilimu yokupheka ye-CPP ngokuqhelekileyo esebenzisa izinto ezikrwada ze-binary random copolypropylene, ibhegi yefilimu eyenziwe nge-121-125 ℃ yokubulala iintsholongwane kubushushu obuphezulu inokumelana nemizuzu engama-30-60.
Ifilimu yokupheka ye-CPP enobushushu obuphezulu esebenzisa izinto eziluhlaza ze-block copolypropylene, ezenziwe ngeengxowa zefilimu zinokumelana nokubulala iintsholongwane kubushushu obuphezulu obuyi-135 ℃, imizuzu engama-30.

Iimfuno zokusebenza zezi: Ubushushu be-Vicat softening point kufuneka bube bukhulu kunobushushu bokupheka, ukumelana ne-impact kufuneka kube kuhle, ukumelana ne-media okuhle, i-fish-eye kunye ne-crystal point kufuneka zibe ncinci kangangoko.

Iyakwazi ukumelana nokupheka ngoxinzelelo lwe-121 ℃ 0.15Mpa, igcina phantse imo yokutya, incasa, kwaye ifilimu ayizukuqhekeka, ayixobuli, okanye inamathele, izinzile kakuhle; idla ngokuba nefilimu yenylon okanye ifilimu yepolyester edityanisiweyo, ukupakishwa okuqulethe uhlobo lokutya lwesuphu, kunye neebhola zenyama, amadombolo, irayisi, kunye nokunye ukutya okukhenkcezisiweyo.

(4) Ifoyile yeAluminiyam
Ifoyile ye-aluminium yeyona foyile yesinyithi kuphela kwizinto zokupakisha eziguquguqukayo, ifoyile ye-aluminium yinto yesinyithi, iyathintela amanzi, iyathintela igesi, iyathintela ukukhanya, igcina incasa yiyo nayiphi na enye into epakishweyo kunzima ukuthelekisa. Ifoyile ye-aluminium yeyona foyile yesinyithi kuphela kwizinto zokupakisha eziguquguqukayo. Ingamelana nokupheka ngoxinzelelo lwe-121 ℃ 0.15Mpa, ukuqinisekisa ukuba ukutya, incasa, kwaye ifilimu ayizukuqhekeka, ayixobuli, okanye inamathele, izinzile kakuhle; idla ngokuba nefilimu ye-nylon okanye ifilimu ye-polyester edityanisiweyo, ukupakisha okuqulethe ukutya kwesuphu, kunye neebhola zenyama, iidumplings, irayisi kunye nokunye ukutya okukhenkcezisiweyo.

（I-INK 5）
Iingxowa zomphunga ezisebenzisa i-inki esekwe kwi-polyurethane xa kuprintwa, iimfuno zezinyibilikisi ezisezantsi ezisele, amandla aphezulu adibeneyo, akukho mbala emva kokupheka, akukho ncibiliko, imibimbi, njengobushushu bokupheka obudlula i-121 ℃, ipesenti ethile ye-hardener kufuneka yongezwe ukonyusa ukumelana nobushushu be-inki.

Ucoceko lwe-inki lubaluleke kakhulu, iintsimbi ezinzima ezifana ne-cadmium, i-lead, i-mercury, i-chromium, i-arsenic kunye nezinye iintsimbi ezinzima zinokuba yingozi enkulu kwindalo nakwimizimba yabantu. Okwesibini, i-inki ngokwayo yindlela ekwakhiwe ngayo izinto, i-inki ineendidi ezahlukeneyo zeekhonkco, ii-pigment, iidayi, iintlobo ngeentlobo zezongezo, ezifana nokucocwa kwe-defoaming, i-antistatic, ii-plasticizers kunye nezinye iingozi zokhuseleko. Akufanele kuvunyelwe ukongeza iintlobo ngeentlobo zee-pigment ze-heavy metal, i-glycol ether kunye nee-ester compounds. Izinyibilikisi zinokuba ne-benzene, i-formaldehyde, i-methanol, i-phenol, ii-linkers zinokuba ne-toluene diisocyanate yasimahla, ii-pigment zinokuba ne-PCBs, ii-aromatic amines njalo njalo.

(6) Izinto zokuncamathelisa
I-Steamer Retorting bag composite isebenzisa i-polyurethane adhesive enamacandelo amabini, i-arhente ephambili ineentlobo ezintathu: i-polyester polyol, i-polyether polyol, i-polyurethane polyol. Kukho iintlobo ezimbini zee-curing agents: i-aromatic polyisocyanate kunye ne-aliphatic polyisocyanate. I-adhesive eshushu engcono kakhulu enganyangekiyo kubushushu obuphezulu ineempawu ezilandelayo:

●Izinto eziqinileyo eziphezulu, ukuxinana okuphantsi, ukusasazeka kakuhle.

●Ukunamathela okuhle ekuqaleni, akukho kulahleka kwamandla okuxobuka emva kokufutha, akukho kuxinana kwemigudu ekuvelisweni, akukho kushwabana emva kokufutha.

●Isincamathelisi sikhuselekile ngokwempilo, asinabungozi kwaye asinavumba.

●Isantya sokusabela esikhawulezayo kunye nexesha elifutshane lokuvuthwa (zingakapheli iiyure ezingama-48 zeemveliso zeplastiki-plastiki ezidityanisiweyo kunye neeyure ezingama-72 zeemveliso ze-aluminium-plastiki ezidityanisiweyo).

●Umthamo ophantsi wokugquma, amandla aphezulu okubopha, amandla aphezulu okutywina ubushushu, ukumelana kakuhle nobushushu.

●Ubunzima obuphantsi bokunyibilika, inokuba ngumsebenzi ophezulu wesimo esiqinileyo, kunye nokusasazeka okuhle.

●Uluhlu olubanzi lwezicelo, ezifanelekileyo kwiindidi ngeendidi zeefilimu.

●Ukumelana kakuhle nokumelana (ubushushu, iqabaka, i-asidi, i-alkali, ityuwa, ioyile, iziqholo, njl.njl.).

Ucoceko lwezincamathelisi luqala ngokuveliswa kwe-aromatic amine PAA ephambili (i-aromatic amine ephambili), evela kwi-chemical reaction phakathi kwe-aromatic isocyanates kunye namanzi ekuprintweni kwe-inki ezinamacandelo amabini kunye nezincamathelisi zokulamina. Ukwenziwa kwe-PAA kuvela kwi-aromatic isocyanates, kodwa kungekhona kwi-aliphatic isocyanates, ii-acrylics, okanye izincamathelisi ezisekelwe kwi-epoxy. Ubukho bezinto ezingagqitywanga, ezineemolekyuli ezisezantsi kunye nezinyibilikisi eziseleyo nako kunokubeka umngcipheko wokhuseleko. Ubukho beemolekyuli ezisezantsi ezingagqitywanga kunye nezinyibilikisi eziseleyo nako kunokubeka umngcipheko wokhuseleko.

3. Ulwakhiwo oluphambili lwebhegi yokupheka
Ngokweempawu zoqoqosho, zomzimba nezekhemikhali zezinto ezisetyenzisiweyo, ezi zakhiwo zilandelayo zisetyenziswa kakhulu kwiingxowa zokupheka.

Iileya ezimbini: iPET/CPP, iBOPA/CPP, iGL-PET/CPP.

Iileya ezintathu: I-PET/AL/CPP, i-BOPA/AL/CPP, i-PET/BOPA/CPP,
GL-PET/BOPA/CPP,PET/PVDC/CPP,PET/EVOH/CPP,BOPA/EVOH/CPP

IINDLELA EZINE: I-PET/PA/AL/CPP, I-PET/AL/PA/CPP

Isakhiwo esinemigangatho emininzi.

Ifilimu edityanisiweyo yePET/ EVOH / CPP, ifilimu edityanisiweyo yePET/PVDC / CPP, ifilimu edityanisiweyo yePA/PVDC / CPP Ifilimu edityanisiweyo yePET/EVOH, ifilimu edityanisiweyo yePA/PVDC

4. Uhlalutyo lweempawu zesakhiwo sebhegi yokupheka
Ulwakhiwo olusisiseko lwengxowa yokupheka luqulathe umaleko womphezulu/umaleko ophakathi/umaleko wokuvala ubushushu. Umaleko womphezulu ngokubanzi wenziwe nge-PET kunye ne-BOPA, edlala indima yokuxhasa amandla, ukumelana nobushushu kunye nokuprinta okuhle. Umaleko ophakathi wenziwe nge-Al, PVDC, EVOH, BOPA, edlala indima yesithintelo, ukhuselo lokukhanya, i-composite enamacala amabini, njl. Umaleko wokuvala ubushushu wenziwe ngeentlobo ezahlukeneyo ze-CPP, EVOH, BOPA, njalo njalo. Ukukhethwa komaleko wokuvala ubushushu weentlobo ezahlukeneyo ze-CPP, i-PP ekhutshiweyo kunye ne-PVDC, ifilimu ekhutshiweyo ye-EVOH, i-110 ℃ ngaphantsi kokupheka kufuneka kukhethwe ifilimu ye-LLDPE, ikakhulu ukuze idlale indima ekutywinweni kobushushu, ukumelana nokubhoboza, ukumelana neekhemikhali, kodwa kunye nokufunxwa okuphantsi kwezinto, ucoceko lulungile.

4.1 I-PET/iglu/i-PE
Esi sakhiwo singatshintshwa sibe yi-PA / glue / PE, i-PE ingatshintshwa ibe yi-HDPE, i-LLDPE, i-MPE, ukongeza kwinani elincinci lefilimu ekhethekileyo ye-HDPE, ngenxa yokumelana nobushushu yi-PE, esetyenziswa ngokubanzi kwiingxowa ezi-100 ~ 110 ℃ okanye ngaphezulu ezicociweyo; iglu ingakhethwa kwiglue eqhelekileyo ye-polyurethane kunye neglue ebilayo, ayifanelekanga ukupakishwa kwenyama, umqobo awulunganga, ibhegi iya kuba nemibimbi emva kokutshiswa ngomphunga, kwaye ngamanye amaxesha umaleko wangaphakathi wefilimu unamathelana. Ngokwenyani, esi sakhiwo sibhegi nje esibilisiwe okanye ibhegi efakwe iintsholongwane.

4.2 I-PET/iglu/i-CPP
Esi sakhiwo sisakhiwo sebhegi yokupheka esibonakalayo, sinokupakishwa uninzi lweemveliso zokupheka, ezibonakala ngokubonakala kwemveliso, unokubona ngqo umxholo, kodwa azinapakishwa kufuneka ziphephe ukukhanya kwemveliso. Imveliso inzima ukuyichukumisa, idla ngokufuna ukubethelwa iikona ezijikelezileyo. Esi sakhiwo semveliso ngokubanzi yi-121 ℃ sterilization, iglu yokupheka eqhelekileyo yobushushu obuphezulu, i-CPP yokupheka eqhelekileyo yodidi oluqhelekileyo ingaba. Nangona kunjalo, iglu kufuneka ikhethe izinga elincinci lokuncipha kwebakala, kungenjalo ukucutheka komaleko weglue ukuqhuba i-inki ukuba ihambe, kukho ithuba lokususwa emva kokuqhuma.

4.3 I-BOPA/iglu/i-CPP
Le yingxowa yokupheka eqhelekileyo ecacileyo yokubulala iintsholongwane ekuphekeni kwi-121 ℃, ecacileyo, ethambileyo, enokuxhathisa ukubhoboza. Le mveliso ayinakusetyenziselwa ukuphepha ukupakishwa kwemveliso okulula.

Ngenxa yokuba ukufuma kwe-BOPA kukhulu, kukho iimveliso eziprintiweyo kwi-steaming lula ukuvelisa umbala, ingakumbi uthotho lwe-inki ebomvu ukungena kumphezulu, ukuveliswa kwe-inki kudla ngokufuna ukongeza i-arhente yokuphilisa ukuthintela. Ukongeza, ngenxa ye-inki kwi-BOPA xa ukunamathela kuphantsi, kodwa kulula ukuvelisa i-anti-stick phenomenon, ingakumbi kwindawo enomswakama ophezulu. Iimveliso ezigqityiweyo kunye neengxowa ezigqityiweyo ekucutshungulweni kufuneka zivalwe kwaye zipakishwe.

4.4 I-KPET/CPP, i-KBOPA/CPP
Esi sakhiwo asisetyenziswa rhoqo, ukucaca kwemveliso kulungile, ineempawu zokuthintela eziphezulu, kodwa ingasetyenziselwa kuphela ukubulala iintsholongwane ezingaphantsi kwe-115 ℃, ukumelana nobushushu kumbi kancinci, kwaye kukho amathandabuzo malunga nempilo nokhuseleko lwayo.

4.5 PET/BOPA/CPP
Olu lwakhiwo lwemveliso lunamandla aphezulu, lucacile, luyakwazi ukumelana nokubhoboza, ngenxa ye-PET, umahluko wesantya sokuncitshiswa kwe-BOPA mkhulu, ngokubanzi usetyenziswa kwi-121 ℃ nangaphantsi kwephakheji yemveliso.

Umxholo wephakheji une-asidi okanye i-alkaline ngakumbi xa ukhetha olu lwakhiwo lweemveliso, endaweni yokusebenzisa ulwakhiwo oluqulathe i-aluminium.

Umaleko wangaphandle weglue ungasetyenziselwa ukukhetha iglu ebilisiweyo, ixabiso lingancitshiswa ngokufanelekileyo.

4.6 PET/Al/CPP
Le yeyona ngxowa yokupheka iqhelekileyo engakhanyisiyo, ngokweenki ezahlukeneyo, iglu, i-CPP, kunye nobushushu bokupheka ukusuka kwi-121 ~ 135 ℃ zingasetyenziswa kolu lwakhiwo.

I-PET/inki yento enye/ingcina yobushushu obuphezulu/i-Al7µm/ingcina yobushushu obuphezulu/isakhiwo se-CPP60µm sinokufikelela kwiimfuno zokupheka ze-121℃.

I-PET/Inki enamacandelo amabini/I-adhesive enobushushu obuphezulu/I-Al9µm/I-adhesive enobushushu obuphezulu/Isakhiwo se-CPP70µm esinobushushu obuphezulu sinokuba ngaphezulu kwe-121℃ yobushushu bokupheka, kwaye ipropati yokuthintela iyandiswa, kwaye ixesha lokuphelelwa lixabiso liyandiswa, elinokuba ngaphezu konyaka omnye.

4.7 I-BOPA/Al/CPP
Olu lwakhiwo lufana nolwakhiwo olungasentla lwe-4.6, kodwa ngenxa yokufunxwa kwamanzi amaninzi kunye nokuncitshiswa kwe-BOPA, ayifanelekanga ukupheka kubushushu obuphezulu obungaphezulu kwe-121 ℃, kodwa ukumelana nokubhoboza kungcono, kwaye inokuhlangabezana neemfuno zokupheka ze-121 ℃.

4.8 PET/PVDC/CPP、BOPA/PVDC/CPP
Olu lwakhiwo lomqobo wemveliso lulungile kakhulu, lufanelekile kwi-121 ℃ kunye nokucoca okulandelayo kokupheka kubushushu, kwaye ioksijini ineemfuno eziphezulu zomqobo wemveliso.

I-PVDC kwisakhiwo esingentla ingatshintshwa yi-EVOH, nayo enepropathi yokuthintela ephezulu, kodwa ipropathi yayo yokuthintela iyancipha ngokucacileyo xa ihlanjululwa kubushushu obuphezulu, kwaye i-BOPA ayinakusetyenziswa njengomaleko womphezulu, kungenjalo ipropathi yokuthintela iyancipha kakhulu ngokonyuka kobushushu.

4.9 PET/Al/BOPA/CPP
Olu lulwakhiwo oluphezulu lweengxowa zokupheka ezinokupakisha phantse nayiphi na imveliso yokupheka kwaye zinokumelana nobushushu bokupheka obungama-121 ukuya kwi-135 degrees Celsius.