Abstract:Leli phepha lihlaziya umkhuba wokusetshenziswa nokuthuthukiswa kwesikhwama esinezincibilikizi esinezinga eliphezulu lokushisa esincibilikisiwe, futhi lethula amaphuzu abalulekile okulawula inqubo, okuhlanganisa ukumiswa nokuqinisekiswa kwenani lokumboza, ububanzi bomswakama wendawo, ukusethwa kwepharamitha yemishini. ukusebenza, kanye nezidingo zezinto zokusetshenziswa, njll.
Indlela yokushunqisa nokuvala inzalo isineminyaka eminingi ikhona.E-China, ngenxa yokuthuthukiswa kwamuva kwe-adhesives-free adhesives, cishe zonke zazisetshenziselwa ukuhlanganisa amaphakheji okupheka okushisa aphezulu.Manje, izinto zokunamathisela ezingancibilikiyo sezithuthuke iminyaka eyishumi eShayina, zaba nokuthuthuka okukhulu kwemishini, izinto zokusetshenziswa, abasebenzi, kanye nobuchwepheshe.Ngomongo wezinqubomgomo zikazwelonke zokuvikela imvelo, amabhizinisi okunyathelisa imibala adale indawo enkulu yokuthuthukiswa kwezinamatheliso ezingenayo i-solvent ukuze kufuneke inzuzo nentuthuko, eqhutshwa yisici sokwandisa umthamo wokukhiqiza.Ngakho-ke, ukumbozwa kwezinamathelisi zamahhala ezincibilikayo kuya ngokuya ngokwanda. okubanzi, nokushunqisa, ukuvala inzalo, nokupakishwa kungenye yazo.
1.Umqondo wokupheka inzalo kanye nokusetshenziswa kwezinamathelisi ezingancibiliki
Ukupheka inzalo kuyinqubo yokuvala nokubulala amagciwane ezitsheni ezingangeni moya ngokufaka ingcindezi nokushisa.Ngokuya ngesakhiwo sohlelo lokusebenza, ukupakishwa kwe-steaming kanye nenzalo okwamanje kuhlukaniswe ikakhulukazi izinhlobo ezimbili: izakhiwo zepulasitiki ne-aluminium-plastic.Izimo zokupheka zihlukaniswe ngamaleveli amabili: izinga lokushisa eliphakathi nendawo (ngaphezu kuka-100° C kuya ku-121° C) nokupheka kwezinga lokushisa eliphezulu (ngaphezu kuka-121° C kuya ku-145° C).Izinamathiselo zamahhala ezincibilikayo manje zingamboza ukupheka inzalo ku-121° C nangaphansi.
Mayelana nemikhiqizo esebenzayo, ake ngethule kafushane isimo sokusetshenziswa kwemikhiqizo embalwa yase-Kangda:
Isakhiwo sePlastiki: I-WD8116 isetshenziswe kabanzi futhi ngokuvuthwa e-NY/RCPP ku-121° C;
Isakhiwo sepulasitiki se-Aluminium: Ukusetshenziswa kwe-WD8262 ku-AL/RCPP ku-121° U-C naye usekhulile impela.
Ngesikhathi esifanayo, ekuphekeni nasekufakweni inzalo kwesakhiwo se-aluminium-plastic, ukusebenza kokubekezelela okuphakathi (ethyl maltol) kwe-WD8262 nakho kuhle kakhulu.
2.Umhlahlandlela Wokuthuthukiswa Kwekusasa Lokupheka Kwezinga Lokushisa Eliphezulu
Ngaphezu kwezakhiwo ezijwayelekile zongqimba ezintathu - nezine, izinto ezisetshenziswayo eziyinhloko yi-PET, AL, NY, ne-RCPP.Kodwa-ke, ezinye izinto seziqalile ukusetshenziswa emikhiqizweni yokupheka emakethe, njenge-aluminium esobala, ifilimu yokupheka eshisa kakhulu ye-polyethylene, njll. Nokho, ayizange isetshenziswe ngezinga elikhulu noma ngobuningi, futhi isisekelo sohlelo lwazo olusabalele lusadinga ukuhlolwa isikhathi eside kanye nezinqubo ezengeziwe.Ngokomthetho, izinamatheliso ezingenayo i-solvent nazo zingasetshenziswa, futhi umphumela wangempela nawo wamukelekile ukuze uqinisekiswe futhi uhlolwe amabhizinisi okuphrinta imibala.
Ngaphezu kwalokho, izinto ezinamathelayo ezingena-solvent nazo zithuthukisa ukusebenza kwazo ngokwezinga lokushisa lokuvala inzalo.Njengamanje, inqubekelaphambili enkulu yenziwe ekuqinisekisweni kokusebenza kwemikhiqizo engancibiliki ye-Konda New Materials ngaphansi kwemibandela engu-125.° C futhi 128° C, futhi kwenziwa imizamo yokufinyelela amazinga aphezulu okushisa okupheka, afana no-135° C ukupheka ngisho no-145° C ukupheka.
3.Amaphuzu abalulekile okusebenza kanye nokulawula inqubo
3.1Ukusetha nokuqinisekisa inani le-adhesive
Namuhla, ukuthandwa kwezinto ezingancibiliki kuyanda, futhi abakhiqizi abaningi bathole ulwazi oluthe xaxa kanye nokuqonda ekusebenziseni okokusebenza okungancibiliki.Kodwa-ke, inqubo yokupheka inzalo yokushisa ephezulu isadinga inani elithile lokunamathisela kwe-interlayer (okungukuthi ukushuba), kanye nenani lokunamathela ezinkambisweni ezijwayelekile alanele ukuhlangabezana nezidingo zokupheka inzalo.Ngakho-ke, uma usebenzisa i-adhesive-free-adhesive-free adhesive yokupheka okuhlanganisiwe, inani le-adhesive esetshenzisiwe kufanele lenyuke, ngebanga elinconywayo lika-1.8-2.5g/m.².
3.2 Ibanga lomswakamo lendawo ezungezile
Namuhla, abakhiqizi abaningi sebeqala ukubona futhi banamathisele ukubaluleka kumthelela wezinto zemvelo kukhwalithi yomkhiqizo.Ngemuva kokuthola isitifiketi kanye nesifinyezo samacala amaningi asebenzayo, kuyanconywa ukulawula umswakama wemvelo ophakathi kuka-40% no-70%.Uma umswakama uphansi kakhulu, udinga umswakama, futhi uma umswakama uphezulu kakhulu, udinga ukukhishwa.Ngenxa yokuthi ingxenye yamanzi emvelweni ibamba iqhaza ekuphenduleni kweglue elingenayo i-solvent, Nokho, ukubamba iqhaza kwamanzi ngokweqile kunganciphisa isisindo samangqamuzana eglue futhi kubangele ukusabela okuthile ohlangothini, ngaleyo ndlela kuthinte ukusebenza kokumelana nokushisa okuphezulu ngesikhathi sokupheka.Ngakho-ke, kuyadingeka ukulungisa ukumiswa kwezingxenye ze-A/B kancane endaweni yokushisa ephezulu kanye nomswakama.
3.3 Izilungiselelo zepharamitha yokusebenza kwedivayisi
Izilungiselelo zepharamitha zisethwa ngokuya ngamamodeli edivayisi ahlukene kanye nezilungiselelo;Isimo sokushuba kwesimo kanye nokunemba kwesilinganiso sokukhipha yonke imininingwane yokulawula nokuqinisekisa.Izinga eliphezulu lokuzenzakalela, ukunemba, nokusebenza okulula kwemishini engenazincibilikizi kuyinzuzo yako siqu, kodwa futhi ihlanganisa ukubaluleka kokucophelela nokuqapha ngemuva kwayo.Besilokhu sigcizelela ukuthi imisebenzi yokukhiqiza i-solvent free iyinqubo ecophelelayo.
3.4 Izidingo zezinto ezingavuthiwe
Ukucaba okuhle, ukumanzisa kwendawo, izinga lokushwabana, ngisho nomswakama wezinto zokusetshenziswa zefilimu elincanyana kuyizimo ezidingekayo zokuqedela ukupheka kwezinto eziyinhlanganisela.
- Izinzuzo zezinhlanganisela ezingena-solvent
Njengamanje, imikhiqizo yokupheka kanye nenzalo esezingeni eliphezulu embonini isebenzisa ama-adhesives asekelwe ku-solvent ukuze kuhlanganiswe okomile.Uma kuqhathaniswa nenhlanganisela eyomile, ukusebenzisa imikhiqizo yokupheka eyinhlanganisela engancibiliki kunezinzuzo ezilandelayo:
4.1izinzuzo ukusebenza kahle
Inzuzo yokusebenzisa ama-adhesives angenayo i-solvent ngokuyinhloko ukwanda kwamandla okukhiqiza.Njengoba kwaziwa, ukusebenzisa ubuchwepheshe benhlanganisela eyomile ukucubungula izinto zokupheka ezishisa kakhulu nezibulala inzalo kunesivinini esiphansi sokukhiqiza, ngokuvamile esiba ngu-100m/min.Ezinye izimo zemishini nokulawulwa kokukhiqiza kuhle, futhi kungafinyelela ku-120-130m/min.Nokho, izimo azilungile, kuphela 80-90m/min noma ngisho ngaphansi.Amandla ayisisekelo okukhiphayo wezinto zokunamathisela ezingenayo i-solvent kanye nemishini eyinhlanganisela ingcono kunaleyo yenhlanganisela eyomile, futhi isivinini esiyinhlanganisela singafinyelela ku-200m/min.
4.2inzuzo yezindleko
Inani leglue elisetshenziswa kuglue yokupheka esekelwe ku-solvent esezingeni eliphezulu likhulu, ngokuyisisekelo lilawulwa kokuthi 4.0g/m² Kwesobunxele nakwesokudla, umkhawulo awukho ngaphansi kuka-3.5g/m²;Ngisho noma inani leglue elisetshenziswa ku-glue yokupheka engancibilikiyo ingu-2.5g/m² Uma kuqhathaniswa nezindlela ezisekelwe ku-solvent, nayo inenzuzo enkulu yezindleko ngenxa yokuqukethwe kwayo okuphezulu okunamathelayo.
4.3Izinzuzo ekuphepheni nasekuvikelweni kwemvelo
Ngesikhathi sokusetshenziswa kweglue yokupheka esekelwe ku-solvent esezingeni eliphezulu, inani elikhulu le-ethyl acetate lidinga ukungezwa ukuze lihlanjululwe, elilimaza ukuvikelwa kwemvelo nokuphepha kwe-workshop yokukhiqiza.Iphinde ijwayele inkinga yezinsalela ze-solvent ephezulu.Futhi izinamatheliso ezingancibilikiyo azinakho ukukhathazeka okunjalo nhlobo.
4.4Izinzuzo zokonga amandla
Isilinganiso sokuphulukisa semikhiqizo eyinhlanganisela ye-solvent enamathelayo siphezulu uma kuqhathaniswa, ngokuyisisekelo ku-50° C noma ngaphezulu;Isikhathi sokuvuthwa kufanele sibe amahora angama-72 noma ngaphezulu.Isivinini sokusabela seglue yokupheka engancibilikiyo siyashesha uma kuqhathaniswa, futhi isidingo sokwelapha izinga lokushisa nesikhathi sokuphulukisa sizokwehla.Ngokuvamile, izinga lokushisa lokuphumula lingama-35° C~48° C, futhi isikhathi sokuphulukisa singamahora angama-24-48, angasiza ngokuphumelelayo amakhasimende ukuba afinyeze umjikelezo.
5.Isiphetho
Kafushane, izinto ezinamathelayo ezingancibiliki, ngenxa yezakhiwo zazo eziyingqayizivele, amabhizinisi okunyathelisa ngemibala, amabhizinisi anamathelayo, kanye namabhizinisi okukhiqiza izinto eziyinhlanganisela angenawo ancibilikisiwe aye abambisana futhi asekelana iminyaka eminingi, ahlinzeka ngolwazi olubalulekile nolwazi emikhakheni yawo.Sikholelwa ukuthi izinto ezinamathelayo ezingancibilikiyo zinohlu olubanzi lwezinhlelo zokusebenza esikhathini esizayo.Ifilosofi yentuthuko ye-Kangda New Materials ithi "besisebenza kanzima ukuze sakhe inani lamakhasimende futhi siwahambise".Sithemba ukuthi imikhiqizo yethu yokupheka eshisa kakhulu ingasiza amabhizinisi amaningi okuphrinta imibala ahlole izinkambu ezintsha zezicelo eziyinhlanganisela ezingancibilikisiwe.
Isikhathi sokuthumela: Dec-22-2023