I-Abstract: Leli phepha lihlaziya uhlelo lokusebenza kanye nentuthuko ye-Solvent-free izinga lokushisa eliphakeme lokuhlola i-Pourte, futhi lingeze amaphuzu aphambili wokulawulwa kwenqubo, kufaka phakathi ukusetha kanye nokuqinisekiswa kwenani lendawo, indawo yomswakama yemvelo Ukusebenza, kanye nezidingo zezinto zokusetshenziswa ezivuthiwe, njll.
Indlela yokuntshontsha neyezinhlambululo ikhona iminyaka eminingi. EChina, ngenxa yokuthuthuka sekwephuzile ukunamathela okunama-solvent-free, cishe wonke asetshenziselwa ukuhlanganisa ukupakisha okushisa okushisa okuphezulu. Manje, anama-adhesives angenama-solvent azenze iminyaka eyishumi yentuthuko eChina, enokuthuthuka okukhulu emishini, izinto ezisetshenziswayo, abasebenzi, kanye nobuchwepheshe. Ngokwesimo sezinqubomgomo zikazwelonke zokuvikela imvelo, amabhizinisi okuphrinta umbala adale indawo yokuthuthuka enkulu yokunamathela okunama-solvent ukuze afune inzuzo nentuthuko, aqhutshwa yi-solvent anama-adhesives akhulayo aya ngokuya ngokuya Break, futhi ebanzi, inzalo, nokupakisha kungenye yazo.
1.Umqondo wokupheka inzalo kanye nokusetshenziswa kwama-solvent-free adhesives
Ukupheka inzalo kuyinqubo yokuvalwa kwamakhasi nokubulala amagciwane ezitsheni zezindiza ngokusebenzisa ingcindezi nokushisa. Ngokwesakhiwo sohlelo lokusebenza, ukufakwa kwe-steam kanye nokunyusa kumanje kuhlukaniswe ngezinhlobo ezimbili: izinhlaka zepulasitiki nezakhiwo ze-aluminium. Izimo zokupheka zihlukaniswe ngamazinga amabili: Ukupheka okuphezulu kokushisa okuphezulu (ngaphezulu kwe-100° C kuya ku-121° C) nokupheka okushisa okuphezulu (ngaphezulu kwe-121° C kuya ku-145° C). Ama-adhesives wamahhala we-solvent manje angamboza ukupheka inzalo ngo-121° C nangaphansi.
Ngokuya ngemikhiqizo esebenzayo, ake ngikwazise kafushane isimo sohlelo lokusebenza semikhiqizo eminingana ye-kangda:
Isakhiwo sePulasitiki: I-WD8116 ibilokhu isetshenziswe kabanzi futhi isetshenziswe kahle ku-NY / RCPP ngo-121° C;
Isakhiwo sepulasitiki se-Aluminium: Ukusetshenziswa kwe-WD8262 ku-Al / RCPP ngo-121° C futhi uvuthiwe impela.
Ngasikhathi sinye, ekusetshenzisweni kokupheka kanye nokwenziwa inzalo yesakhiwo se-aluminium-sepulasitiki, ukusebenza kwe-medium (ethyl malto) ukusebenza kwe-WD8262 nakho kuhle impela.
2.Ukuqondiswa kokuthuthuka kwesikhathi esizayo kokupheka okushisa okuphezulu
Ngaphezu kwezinhlaka ezijwayelekile ezijwayelekile - nezakhiwo ezine, izinto eziphambili ezisetshenzisiwe ziyi-pet, al, Ny, ne-RCPP. Kodwa-ke, ezinye izinto zokwakha nazo ziqale ukusetshenziswa ekuphekeni imikhiqizo emakethe, njengefilimu esobala ye-aluminium, i-polyethylene yefilimu, njll. Kodwa-ke, azisetshenziswanga ngezinga elikhulu noma ngamanani amakhulu, kanye ne Isisekelo sesicelo sabo esisakazekile sisadinga ukuhlolwa isikhathi eside sesikhathi nezinqubo eziningi.
Ngaphezu kwalokho, ama-adhesives angenamahhala we-solvent nawo athuthukisa ukusebenza kwawo ngokuya kokushisa inzalo. Njengamanje, inqubekela phambili enkulu yenziwe ekuqinisekisweni kokusebenza kwe-Konda izinto ezintsha ze-konda° C no-128° C, kwenziwa nemizamo yokufinyelela iziqongo zokupheka zokushisa eziphakeme, njenge-135° C Ukupheka kanye ne-145° C Ukupheka.
Amaphoyinti we-3.Key wesicelo nokulawulwa kwenqubo
3.1Ukusetha nokuqinisekiswa kwenani elinamathela
Kulezi zinsuku, ukuthandwa kwemishini engenayo ye-solvent kuyanda, futhi abakhiqizi abaningi bathole isipiliyoni esithe xaxa nokuqonda ekusebenziseni imishini engenamahhala ye-solvent. Kodwa-ke, inqubo yokupheka yokupheka yokupheka okushisa kakhulu isadinga inani elithile lokungena ngaphakathi (ie ubukhulu), kanye nenani lokunamathela ezinqubweni ejwayelekile akwanele ukufeza izidingo zokupheka inzalo. Ngakho-ke, lapho usebenzisa i-solvent-free adhesive yokufaka okuhlanganisiwe kokupheka, inani lokunamathela okufakiwe kufanele likhuphuke, linobubanzi obunconyiwe be-1.8-2.5g / m².
3.2 Uhla lomswakama lwemvelo
Kulezi zinsuku, abakhiqizi abaningi baqala ukubona futhi banamathisele ukubaluleka kumthelela wezinto zezemvelo ngekhwalithi yomkhiqizo. Ngemuva kokuqinisekiswa kanye nesifinyezo samacala amaningi asebenzayo, kunconywa ukulawula umswakama wezemvelo phakathi kwama-40% nama-70%. Uma umswakama uphansi kakhulu, kudinga ukumswakama, futhi uma umswakama uphezulu kakhulu, kudinga ukwenziwa okudelelwa. Ngoba ingxenye yamanzi emvelweni ebamba iqhaza ekuphenduleni kwe-glue ye-solvent-free, ukubamba iqhaza kwamanzi ngokweqile kunganciphisa isisindo se-glue futhi kubangele ukusebenza okuphezulu kokushisa ngesikhathi sokupheka. Ngakho-ke, kuyadingeka ukulungisa ukucushwa kwezakhi ze-A / B kancane ezindaweni eziphakeme zokushisa kanye nomswakama.
3.3 Izilungiselelo zepharamitha zokusebenza kwedivaysi
Izilungiselelo zepharamitha zisethwa ngokuya ngamamodeli wedivayisi ahlukene kanye nokucushwa; Ukuhlelwa kwengxabano nokunemba kwesilinganiso sokuhambisa yimininingwane yonke yokulawula nokuqinisekiswa. Izinga eliphakeme le-automation, ukunemba, nokusebenza okulula kwemishini yamahhala ye-solvent kuyizinzuzo zako, kepha kuhlanganisa nokubaluleka kokubumbana nokuqapha ngemuva kwawo. Besilokhu sikugcizelela njalo ukuthi i-solvent free imisebenzi yokukhiqiza iyinqubo yokucophelela.
3.4 Izidingo zezinto zokwakha ezingavuthiwe
I-Flatness enhle, ukukhuphuka komhlaba, isilinganiso se-shrinkage, kanye nomswakama wokuqukethwe kwezinto zokwakha amafilimu amancane kuyizimo ezidingekayo zokuqedela ukupheka kwezinto ezihlanganisiwe.
- Izinzuzo ze-solvent-free composites
Njengamanje, ukupheka okushisa okuphezulu kanye nemikhiqizo yokuhlanza embonini embonini ikakhulukazi isebenzisa ukunamathela okusekelwe kwe-solvent ukuze kuhlanganiswe omile. Uma kuqhathaniswa nenhlanganisela eyomile, kusetshenziswa imikhiqizo yokupheka yokupheka ye-solvent-free composite inezinzuzo ezilandelayo:
4.1Ukusebenza kahle Kwezinzuzo
Inzuzo yokusebenzisa i-solvent-free adhesives ngokuyinhloko ngokwanda kwekhono lokukhiqiza. Njengoba kwaziwa kahle, kusetshenziswa ubuchwepheshe obuhlanganisiwe owomile ukucubungula ukupheka okushisa kakhulu nezinto zokunyusa kunejubane lokukhiqiza eliphansi, ngokuvamile cishe nge-100m / min. Ezinye izimo zokusebenza nokulawulwa kokukhiqizwa kuhle, futhi kungafinyelela ngo-120-130m / min. Kodwa-ke, izimo azilungile, zingama-80-90m / min noma ziphansi. Umthamo wokukhipha okuyisisekelo wokunamathela okunama-solvent-free kanye nemishini eyinhlanganisela kungcono kunalokho kwenhlanganisela eyomile, futhi isivinini esiyinhlanganisela singafinyelela ku-200m / min.
4.2Inzuzo yezindleko
Inani le-glue esetshenziswe ku-solvent esuselwa ekuphekeni izinga lokupheka okushisa okuphezulu likhulu, ngokuyisisekelo elawulwa ku-4.0g / m² Kwesobunxele nakwesokudla, umkhawulo awukho ngaphansi kuka-3.5g / m²;Noma ngabe inani le-glue lisetshenziswe ku-solvent-free glue glue i-2.5g / m² Uma kuqhathaniswa nezindlela ezisuselwa ku-solvent, futhi inethuba elibalulekile lezindleko ngenxa yokuqukethwe kwalo okunamathelayo.
4.3Izinzuzo ekuvikelekeni nasekuvikelweni kwemvelo
Ngesikhathi sokusebenzisa i-solvent esuselwa ku-glue okushisa okuphezulu kokushisa okuphezulu, inani elikhulu le-ethyl acetate lidinga ukungezwa nge-dilution, okulimazayo ekuvikelweni kwemvelo kanye nokuphepha komhlangano wokuphepha. Iphinde ithambekele enkingeni ye-SOLVEN SUREDE ephezulu. Futhi anama-adhesives angenama-solvent awanakho ukukhathazeka okunjalo.
4.4Izinzuzo zokonga amandla
Isilinganiso sokuvuka kwe-Solvent based Adhesive imikhiqizo eyinhlanganisela iphakeme kakhulu, ngokuyisisekelo ku-50° C noma ngaphezulu; Isikhathi sokuvuthwa kufanele kube amahora angama-72 noma ngaphezulu. Ijubane lokuphendula le-solvent-free glue ukupheka i-glue liyashesha, futhi isidingo sokuvuselela izinga lokushisa kanye nesikhathi sokwelapha sizophansi. Imvamisa, izinga lokushisa lelapha lingama-35° C ~ 48° C, futhi isikhathi sokuvula ngamahora angama-24-48, angasiza ngempumelelo amakhasimende anciphise umjikelezo.
I-5.Conclusion
Ngokufingqa, izinamathiseli ezingenamahhala ze-solvent, ngenxa yezakhiwo zazo ezihlukile, amabhizinisi okuphrinta umbala, amabhizinisi anamathela, kanye namabhizinisi okukhiqiza ama-solven-amenzite emabhizinisini asebenzisane futhi ahlinzeka ngomunye iminyaka eminingi. Sikholwa ukuthi ama-adhesives angenamahhala we-solvent anezinhlobo ezibanzi zezicelo ngokuzayo.Ifilosofi yokuthuthuka kwe-Kangda New Izinto "Sesisebenza kanzima ukudala inani lamakhasimende futhi sibahambise". Siyethemba ukuthi imikhiqizo yethu yokupheka yokushisa ephezulu ingasiza amabhizinisi amaningi wokuphrinta umbala ahlole amasimu wohlelo lokusebenza olusha lwe-solvent-free composite.
Isikhathi sePosi: Dec-22-2023