Leli phepha ligxile ezingxenyeni eziphindwe kabili ezinama-adhesives ezi-laming ezingenama-solvent ezi-solion, zixoxa ngezindawo ezitholakele zempahla yemikhiqizo engenayo.
1. Okushiwo okuyisisekelo kwempahla yokulinganisa
I-Leaveling Property inamandla okumboza ukuze alinganise ngokulinganayo futhi kahle ebusweni bezigatshana.
2. Ubudlelwano nemiphumela yokulinganisa ezigabeni ezahlukahlukene
Engxoxweni elandelayo, izakhi zokwenziwa kwesisindo ngokufanayo, okubandakanya isisindo se-coating, izinga lokushisa, ingcindezi, njll ngoba zonke izinto zizodala izinguquko kuma-laquen wokugcina, sizobona lokhu okuguquguqukayo njengoba kulungisiwe.
Ngenxa yokuthi i-solvent-free adhesive ayinalo i-solvent ukuba yisisekelo, impahla evelayo ukusebenza kokunamathela okwayo. Ukukhuluma, kuzoba purner, kepha ukunamathela okungenasisekelo kwe-solvent kusenezimpawu zawo.
Okokuqala, ukulinganisa impahla ye-SF Adhesive kunesondele ngokuhambisana nokutholwa kokuzinamathela uqobo. Ngenkathi i-Viscosity inobudlelwano obuqondile ngokushisa futhi iyahlukahluka, okusho ukuthi i-viscosity ye-SF Adhesive izokwehla lapho kukhula izinga lokushisa. Ngemuva kwalokho ngaphansi kwamazinga okushisa asekamelweni, ama-viscosities of raw sf adhesives anomehluko omkhulu ngokusho kwamamodeli ahlukene we-sf anamathela kanye nezakhiwo ezibonakalayo. Kodwa-ke, ngaphansi kokushisa okufanele kokusebenza kwemodeli eyodwa enama-adhesive, umehluko wobubanzi bokubonakala kwawo awubonakali kakhulu. Ngakho-ke, umkhiqizo ophansi we-viscosity mhlawumbe awuyena ongcono lapho uqhathanisa imodeli eyodwa evumayo ye-SF enamathela nge-viscusive ephansi. Isibonelo, i-WD8262A / B ye-Kangda Izinto Ezintsha, Ngaphansi kokushisa kwayo okusebenzayo (cishe ama-45 ℃), ukubonakala kwayo kungu-1100 MPA.S. Kepha lapho u-laming pet.ink/alu, ingafinyelela ukubukeka okuhle ngaphandle kwamachashazi ngesikhathi sokukhanya kuqala. Njengokuphetha, akusho ukuthi ukuhlakanipha okuphansi kungaletha ukubukeka okuhle. Ukuguqulwa okunamandla kwama-SF adhesives kuyinkathi esheshayo, edinga izinto eziningana ukufinyelela umphumela omuhle. Okwamanje, i-Viscosity inephansi eliphansi kakhulu. Isibonelo, ngaphansi kuka-80-90 ℃ (Ingxenye ephindwe kabili ye-SF Adhesive), i-viscosity inezinguquko ezincane ngokushisa okukhuphukayo.
UFrist Leveling ukuqhubeka okubonakalayo kwesimo esihlanganisiwe sokunamathela. Ngemuva kwenqubo yokuhlanganisa, ukunciphisa impahla yayo kwehle kakhulu kanye nokusabela okusheshayo phakathi kwezakhi ze-A & B nokwehla kwamazinga okushisa. Ngokuvamile, ukufakwa kokuqala kokunamathela kwe-SF kubhekwa njengokulinganisa ngemuva kokulamula umoya. Ngalesi sikhathi i-viscosity yokunamathela izokhula kunama-adhesive ahlanganisiwe kuma-roller we-metering.
Ukungeniswa kwezikhangiso eziluhlaza kushiwo impahla efinyelelekayo yokunamathela ezigubhweni ngaphambi kokuxutshwa. Le mpahla yokulinganisa ayibandakanyi inqubo yokugcona kwamafilimu noma ama-foil.
Impahla yesibili yokulinganisa ukuthi, ngemuva kwenqubo yokulahla futhi isesigabeni sokwelapha, ukuthambekela kwe-SF kuya esigabeni sokuphendula okusheshayo kwesixhumanisi ngaphansi kwethonya lokushisa, futhi ukusebenza kwezinga lokunciphisa ukunyamalala.
3. Isiphetho
Ukulinganisa impahla ye-RAW SF Adhesive ngaphambi kokuxutshwa> Impahla yesibili yokulinganisa> Ukulinganisa impahla ye-SF Adhesive ehlanganisiwe kuma-rolling we-metering> Impahla yokuqala yokufaka. Ngakho-ke, i-viscosity shintsha umkhuba we-sf adhesives empeleni kuyinqubo ekhuphukayo, okusobala okuhlukile kuma-sb adhesives.
Uma unemibuzo mayelana ne-SF Laminiation yokupakisha okuguqukayo, sizimisele ukukusiza.
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Isikhathi sePosi: Sep-14-2021