Isifinyezo: Leli phepha lihlaziya ukusetshenziswa kanye nomkhuba wokuthuthukiswa kwesikhwama sokuphendula esihlanganisiwe esingenaso isinyibilikisi, futhi lethula amaphuzu ayinhloko okulawula inqubo, okuhlanganisa ukusetha nokuqinisekiswa kwenani lokumboza, ububanzi bomswakama bendawo, ukusetha kwepharamitha yokusebenza kwemishini, kanye nezidingo zezinto zokusetshenziswa, njll.
Indlela yokufutha nokubulala amagciwane ibilokhu ikhona iminyaka eminingi. EShayina, ngenxa yokuthuthukiswa kwe-adhesives ezingenayo i-solvent, cishe zonke zazisetshenziselwa ukuhlanganisa amaphakheji okupheka okushisa okuphezulu. Manje, i-adhesives ezingenayo i-solvent sezidlule iminyaka eyishumi yokuthuthukiswa eShayina, kanye nentuthuko enkulu emishinini, ezintweni zokusetshenziswa, kubasebenzi, nakubuchwepheshe. Ngokomongo wezinqubomgomo zokuvikela imvelo zikazwelonke, amabhizinisi okunyathelisa imibala adale isikhala esikhulu sokuthuthukiswa kwe-adhesives ezingenayo i-solvent ukuze afune inzuzo nentuthuko, eqhutshwa yisici sokwandisa amandla okukhiqiza. Ngakho-ke, ukumbozwa kwe-adhesives ezingenayo i-solvent kuya ngokuya kuba banzi, futhi ukufutha, ukubulala amagciwane, kanye nokupakishwa kungenye yazo.
1. Umqondo wokupheka ukubulala amagciwane kanye nokusetshenziswa kwezinamathelisi ezingenayo i-solvent
Ukupheka i-sterilization inqubo yokuvala nokubulala amabhaktheriya ezitsheni ezingangeni moya ngokusebenzisa ingcindezi nokushisa. Ngokuphathelene nesakhiwo sokusetshenziswa, ukupakisha kokushisa kanye ne-sterilization okwamanje kuhlukaniswe kakhulu ngezinhlobo ezimbili: izakhiwo zepulasitiki kanye ne-aluminium-plastic. Izimo zokupheka zihlukaniswe ngamazinga amabili: ukupheka ngezinga lokushisa eliphansi (ngaphezu kwe-100).° C kuya ku-121° C) kanye nokupheka okushisayo okuphezulu (ngaphezu kuka-121)° C kuya ku-145° C). Izinamathelisi ezingenayo i-solvent manje zingamboza ukubulala amagciwane kokupheka ku-121° C nangaphansi.
Ngokuphathelene nemikhiqizo efanelekile, ake ngethule kafushane isimo sokusetshenziswa kwemikhiqizo eminingana yeKangda:
Isakhiwo sepulasitiki: I-WD8116 isetshenziswe kabanzi futhi yavuthwa e-NY/RCPP ku-121° C;
Isakhiwo sepulasitiki ye-aluminium: Ukusetshenziswa kwe-WD8262 ku-AL/RCPP ku-121° U-C naye uvuthiwe impela.
Ngesikhathi esifanayo, ekuphekeni nasekubulaleni amagciwane kwesakhiwo se-aluminium-plastic, ukusebenza kokubekezelela okuphakathi (i-ethyl maltol) kwe-WD8262 nakho kuhle kakhulu.
2. Isiqondiso Sokuthuthukiswa Kwesikhathi Esizayo Sokupheka Okushisayo Okuphezulu
Ngaphezu kwezakhiwo ezijwayelekile ezintathu nezine, izinto ezisetshenziswayo eziyinhloko yi-PET, AL, NY, kanye ne-RCPP. Kodwa-ke, ezinye izinto seziqalile ukusetshenziswa emikhiqizweni yokupheka emakethe, njenge-aluminium coating ebonakalayo, ifilimu ye-polyethylene yokupheka eshisa kakhulu, njll. Kodwa-ke, azisetshenziswanga ngezinga elikhulu noma ngobuningi obukhulu, futhi isisekelo sokusetshenziswa kwazo kabanzi sisadinga ukuhlolwa isikhathi eside kanye nezinqubo eziningi. Ngokomthetho, izinamathiselo ezingenayo i-solvent nazo zingasetshenziswa, futhi umphumela wangempela nawo wamukelekile ukuthi uqinisekiswe futhi uhlolwe yizinkampani zokuphrinta imibala.
Ngaphezu kwalokho, izinti ezingenayo i-solvent nazo zithuthukisa ukusebenza kwazo maqondana nokushisa kokubulala amagciwane. Njengamanje, kwenziwe intuthuko enkulu ekuqinisekisweni kokusebenza kwemikhiqizo ye-Konda New Materials engenayo i-solvent ngaphansi kwezimo ze-125.° C kanye no-128° C, futhi kwenziwa imizamo yokufinyelela amazinga okushisa aphezulu okupheka, njenge-135° Ukupheka okungu-C ngisho no-145° Ukupheka.
3. Amaphuzu abalulekile okulawula uhlelo lokusebenza kanye nenqubo
3.1Ukusetha nokuqinisekisa inani lokunamathela
Kulezi zinsuku, ukuthandwa kwemishini engenazo izinyibilikisi kuyanda, futhi abakhiqizi abaningi bathole ulwazi olwengeziwe kanye nokuqonda ekusebenziseni imishini engenazo izinyibilikisi. Kodwa-ke, inqubo yokupheka yokubulala amagciwane emazingeni okushisa aphezulu isadinga inani elithile le-adhesive ephakathi kwezingqimba (okungukuthi ukujiya), futhi inani le-adhesive ezinqubweni ezijwayelekile alanele ukuhlangabezana nezidingo zokubulala amagciwane ekuphekeni. Ngakho-ke, uma usebenzisa i-adhesive engenazo izinyibilikisi ekupakisheni kokupheka okuhlanganisiwe, inani le-adhesive elisetshenziswayo kufanele landiswe, ngebanga elinconywayo elingu-1.8-2.5g/m2.².
3.2 Ububanzi bomswakama bendawo ezungezile
Kulezi zinsuku, abakhiqizi abaningi sebeqala ukuqaphela futhi bafaka ukubaluleka komthelela wezinto zemvelo ekhwalithini yomkhiqizo. Ngemva kokuqinisekiswa kanye nesifinyezo samacala amaningi asebenzayo, kunconywa ukulawula umswakama wemvelo phakathi kuka-40% no-70%. Uma umswakama uphansi kakhulu, udinga ukufuthwa, futhi uma umswakama uphakeme kakhulu, udinga ukufuthwa. Ngenxa yokuthi ingxenye yamanzi emvelweni ihlanganyela ekusabeleni kweglue engenaso isinyibilikisi, Kodwa-ke, ukubamba iqhaza kwamanzi ngokweqile kunganciphisa isisindo sama-molecule eglue futhi kubangele ukusabela okuthile okuseceleni, ngaleyo ndlela kuthinte ukusebenza kokumelana nokushisa okuphezulu ngesikhathi sokupheka. Ngakho-ke, kubalulekile ukulungisa ukucushwa kwezingxenye ze-A/B kancane ezindaweni zokushisa okuphezulu kanye nomswakama.
3.3 Izilungiselelo zepharamitha zokusebenza kwedivayisi
Izilungiselelo zepharamitha zisethwa ngokuya ngamamodeli ahlukene edivayisi kanye nokucushwa; Ukusethwa kokucindezeleka kanye nokunemba kwesilinganiso sokusabalalisa konke kuyimininingwane yokulawula nokuqinisekisa. Izinga eliphezulu lokuzenzakalela, ukunemba, kanye nokusebenza okulula kwemishini engenazo izinyibilikisi kuyinzuzo yayo, kodwa futhi ihlanganisa ukubaluleka kokucophelela nokuqapha ngemuva kwayo. Besilokhu sigcizelela ukuthi imisebenzi yokukhiqiza engenazo izinyibilikisi iyinqubo ecophelelayo.
3.4 Izidingo zezinto zokusetshenziswa
Ukuthamba okuhle, ukumanziswa kwamanzi ebusweni, izinga lokuncibilika, kanye nokuqukethwe komswakama kwezinto zokusetshenziswa ezincane kuyimibandela edingekayo ukuze kuqedwe ukupheka izinto ezihlanganisiwe.
- Izinzuzo zezinhlanganisela ezingenazo izinyibilikisi
Njengamanje, imikhiqizo yokupheka nokubulala amagciwane eshisa kakhulu embonini isebenzisa kakhulu izinti ezisekelwe ku-solvent ukuze kuhlanganiswe okomile. Uma kuqhathaniswa ne-composite eyomile, ukusebenzisa imikhiqizo yokupheka ehlanganisiwe engena-solvent kunezinzuzo ezilandelayo:
4.1izinzuzo zokusebenza kahle
Inzuzo yokusebenzisa izinti ezingenayo i-solvent ngokuyinhloko ukwanda kwamandla okukhiqiza. Njengoba kwaziwa kahle, ukusebenzisa ubuchwepheshe obuhlanganisiwe owomile ukucubungula izinto zokupheka nokuhlanza ezishisa kakhulu kunesivinini sokukhiqiza esiphansi, ngokuvamile cishe ama-100m/min. Ezinye izimo zemishini kanye nokulawulwa kokukhiqiza kuhle, futhi kungafinyelela ama-120-130m/min. Kodwa-ke, izimo azilungile, zingama-80-90m/min kuphela noma ngaphansi. Amandla okukhipha ayisisekelo ezinti ezingenayo i-solvent kanye nemishini ehlanganisiwe angcono kune-composite eyomile, futhi isivinini esihlanganisiwe singafinyelela ama-200m/min.
4.2inzuzo yezindleko
Inani leglue elisetshenziswa kuglue yokupheka esezingeni eliphezulu esekelwe ku-solvent likhulu, ngokuyisisekelo lilawulwa ku-4.0g/m2² Kwesobunxele nakwesokudla, umkhawulo awungaphansi kuka-3.5g/m2²；Noma ngabe inani leglue elisetshenziswa kuglue yokupheka engenaso isinyibilikisi lingu-2.5g/m² Uma kuqhathaniswa nezindlela ezisekelwe ku-solvent, inenzuzo enkulu yezindleko ngenxa yokuqukethwe kwayo okuphezulu kokunamathela.
4.3Izinzuzo zokuphepha nokuvikelwa kwemvelo
Ngesikhathi sokusetshenziswa kweglue yokupheka esezingeni eliphezulu esekelwe ku-solvent, inani elikhulu le-ethyl acetate lidinga ukungezwa ukuze kuncibilikiswe, okulimaza ukuvikelwa kwemvelo kanye nokuphepha kwe-workshop yokukhiqiza. Iphinde ibe nenkinga yezinsalela eziningi ze-solvent. Futhi izinamathiseli ezingenayo i-solvent azinazo nhlobo izinkinga ezinjalo.
4.4Izinzuzo zokonga amandla
Isilinganiso sokwelapha semikhiqizo ehlanganisiwe yokunamathela esekelwe ku-solvent siphezulu kakhulu, ngokuyisisekelo singu-50° C noma ngaphezulu; Isikhathi sokuvuthwa kufanele sibe amahora angu-72 noma ngaphezulu. Ijubane lokusabela kweglue yokupheka engenaso isinyibilikisi lishesha kakhulu, futhi isidingo sokushisa kokupholisa nesikhathi sokupholisa sizoba siphansi. Ngokuvamile, izinga lokushisa lokupholisa lingu-35° C~48° C, kanti isikhathi sokupholisa singamahora angama-24-48, okungasiza amakhasimende ukuthi anciphise umjikelezo ngempumelelo.
5. Isiphetho
Ngamafuphi, izinti ezinamathelayo ezingenaso isinyibilikisi, ngenxa yezakhiwo zazo ezihlukile, amabhizinisi okunyathelisa imibala, amabhizinisi okunamathelayo, kanye namabhizinisi okukhiqiza imishini ehlanganisiwe engenaso isinyibilikisi asebenzisane futhi asekelana iminyaka eminingi, enikeza ulwazi olubalulekile kanye nolwazi emikhakheni yawo. Sikholelwa ukuthi izinti ezinamathelayo ezingenaso isinyibilikisi zinezinhlelo zokusebenza eziningi esikhathini esizayo. Ifilosofi yokuthuthukiswa kwe-Kangda New Materials ithi “besisebenza kanzima ukudala inani kumakhasimende futhi siwashukumise”. Sithemba ukuthi imikhiqizo yethu yokupheka eshisa kakhulu ingasiza amabhizinisi amaningi okunyathelisa imibala ukuhlola amasimu amasha okusetshenziswa kwensintingi engenaso isinyibilikisi.
Isikhathi sokuthunyelwe: Disemba-22-2023