Ruwan ultraviolet curing (UV) sabon nau'in murfin kare muhalli ne.Yawan bushewar sa yana da sauri sosai.Ana iya warkar da shi ta hasken UV a cikin ƴan daƙiƙa kaɗan, kuma ingancin samarwa yana da girma.
Abubuwan da za a iya warkewa UV sun ƙunshi oligomers, diluents masu aiki, photoinitiators da ƙari.
1. oligomer
Abun da ke samar da fim shine babban abin da ke tattare da sutura, kuma shi ne bangaren ruwa na sutura.Ayyukan fim, aikin aiki da sauran kaddarorin na musamman na sutura sun dogara ne akan kayan aikin fim.Abubuwan da ke samar da fim na murfin UV shine oligomer.Ayyukansa yana ƙayyade aikin aikace-aikacen, ƙimar warkewar haske, aikin fim da sauran kaddarorin na musamman na shafi kafin warkewa.
UV coatings yawanci free radical haske tsarin warkewa, don haka oligomers da aka yi amfani da su ne daban-daban acrylic resins.Cationic UV shafi oligomers su ne epoxy resin da vinyl ether mahadi.
2. diluent mai aiki
Active diluent wani muhimmin bangaren na UV shafi.Yana iya tsomawa da rage danko, kuma yana iya daidaita aikin fim ɗin da aka warke.Acrylate monomers masu aiki suna da babban haɓakawa da ƙarancin ƙarfi, don haka ana amfani da su sosai a cikin suturar UV.Acrylic esters ana amfani da su azaman diluents masu aiki don suturar UV.A cikin ainihin tsari, mono -, Bi -, da acrylates masu aiki da yawa za a yi amfani da su tare don sa kaddarorin su su zama masu dacewa da kuma cimma sakamako mai kyau.
3. mai daukar hoto
Photoinitiator shine mai haɓakawa na musamman a cikin suturar UV.Yana da muhimmin sashi na suturar UV kuma yana ƙayyade ƙimar maganin UV na suturar UV.
Don rufin UV mara launi, 1173, 184, 651 da bp/ jami'a amine ana amfani da su azaman masu ɗaukar hoto.184 tare da babban aiki, ƙananan wari da juriya mai launin rawaya, shine mafi kyawun hoto mai ɗaukar hoto don rawaya resistant UV coatings.Don inganta ƙimar warkar da haske, ana amfani da shi sau da yawa tare da TPO.
Domin wadanda ba ferrous UV coatings, photoinitiators ya kamata ya zama itx, 907, 369, TPO, 819, da dai sauransu. Wani lokaci, domin rage oxygen polymerization hanawa da kuma inganta UV curing kudi, wani karamin adadin aiki amine ne sau da yawa ƙara a cikin UV. sutura.
4. additives
Additives su ne kayan taimako na kayan shafa UV.Matsayin abubuwan haɓakawa shine haɓaka aikin sarrafawa, aikin ajiya da aikin aikace-aikacen shafi, haɓaka aikin fim da baiwa fim ɗin wasu ayyuka na musamman.Abubuwan da ake amfani da su na yau da kullun don suturar UV sun haɗa da defoamer, wakili mai daidaitawa, mai tarwatsewa, mai tallata adhesion, wakili na matting, inhibitor polymerization, da sauransu, waɗanda ke taka rawa daban-daban a cikin suturar UV.
Lokacin aikawa: Agusta-02-2022