UV waa nooc ka mid ah dahaarka si dhakhso ah ugu daweyn kara filim dhowr ilbiriqsi gudahood hoos yimaada shucaaca ultraviolet (UV).Dahaarka UV si toos ah ayaa loo rogrogaa oo lagu buufiyaa looxa alaabta guriga iyada oo loo marayo mishiino iyo qalab.Marka la eego shucaaca iftiinka ultraviolet, waxay kor u qaadaa kala-goynta bilawga, waxay abuurtaa xag-jiryo xor ah, waxay kicisaa falcelinta resinka, waxayna isla markiiba ku sii adkaysaa filim iyada oo aan lahayn qallayl dareere ah.Sidaa darteed, waa wax ku ool badan, cagaar iyo saaxiibtinimo deegaanka.
Marka la eego isbeddelka guud ee fuuq-baxa, dahaarka UV-ga ee Waterborne ayaa sidoo kale si guul leh loogu dabaqay alwaax, balaastiig, daabacaad, kiimiko maalinle ah iyo goobo kale sababtoo ah saaxiibtinimo deegaan iyo saaxiibtinimo dhismo.Qalabka ceeriin ayaa door muhiim ah ka ciyaara.Hal-abuurka joogtada ah ee waxqabadka, sifooyinka iyo xalalka codsiga ee dahaarka biyaha ayaa kor u qaada habka fuuq-celinta resin.
1 epoxy acrylate / polyurethane acrylate nidaam isku dhafan
Photosensitive oligomer waa qaybta ugu weyn ee suufka la daweeyay UV, kaas oo go'aamiya sifooyinka aasaasiga ah ee xabagta la daweeyay.Dhammaan noocyada resins matrix waxay leeyihiin faa'iidooyinkooda aan la bedeli karin, laakiin waxay yeelan doonaan cillado.Tusaale ahaan, filimka daweynta resin-ku-saleysan ee epoxy wuxuu leeyahay engegnaan sare, dhejis wanaagsan, dhalaal sare iyo iska caabin kiimikaad oo heer sare ah, laakiin waxay leedahay khasaare dabacsanaan liidata.Tusaale kale ayaa ah in xabagta ku salaysan polyurethane ay leedahay sifooyin aad u wanaagsan sida xirashada iska caabinta iyo iska caabinta xoqan, laakiin caabbinta cimiladu kuma filna.Cilmi-baadhayaashu waxay isticmaalaan hababka isku-dhafka ah ama hababka isku-dhafka ah si ay isugu geeyaan labadaba, si ay u buuxiyaan yaraanta hal resin oo ay u sameeyaan nidaam leh labadaba sifooyin fiican.
2 dendritic ama nidaamka hyperbranched
Dendrimers-ka biyaha-dhalashada ah ee la daweyn karo ama oligomers hyperbranched waa nooc cusub oo polymers ah oo leh qaab dhismeed wareegsan ama dendritic oo aan isku xidhnayn silsiladaha molecular.Waxaa intaa dheer, qaab-dhismeedka polymer-ka aadka u sarreeya wuxuu ka kooban yahay tiro badan oo ah kooxaha dhamaadka firfircoon.Kooxahan dhamaadka firfircoon ayaa wax laga beddelay si ay u hagaajiyaan sifooyinka polymer-ka oo ay u adeegsadaan meelo gaar ah.Marka la barbar dhigo polymers toosan oo leh miisaan isku mid ah, oligomers hyperbranched waxay leeyihiin sifooyin aad u wanaagsan sida barta dhalaalka hoose, viscosity hoose, kala diri fudud iyo falcelin sare.Waxay yihiin maaddooyin ku habboon daawaynta iftiinka biyaha ka soo baxa ee resins matrix.Polyester-ku-salaysan-biyood-ku-salaysan oo ka kooban polyester-ka aliphatic functional polyhydroxy sida xudunta u yarayn karta biyaha milanka iyo muujinta saamaynta yaraynta viscosity wanaagsan sababtoo ah milanka biyaha wanaagsan iyo viscosity hoose.
3 epoxy soybean oil acrylate
Saliida soybean ee Epoxy waxay leedahay faa'iidooyinka qiimo jaban, ilaalinta deegaanka, silsilad molecular oo dheer iyo cufnaanta isdhaafsiga dhexdhexaadka ah.Waxay si weyn u wanaajin kartaa dabacsanaanta iyo adhesion ee daahan.Sanadihii la soo dhaafay, waxay noqotay goob cilmi baaris ah oo ku saabsan duurka dahaarka gudaha iyo dibadda.Guulo wanagsan ayaa lagu gaaray saliida soybean acrylate iyo epoxy soybean oil acrylate UV oo daaha lagu daaweeyo xorta ahShirkadda Cub ee Maraykanka ayaa fulisay wax soo saar ganacsi, sida ebercy860.Habka isku dhafka ah ee saliidda soybean ee epoxy-ka guud ahaan waa habka wax ka beddelka semi ester-ka, kaas oo ah in lagu caddeeyo saliid soybean epoxy leh acrylic acid.
Waqtiga boostada: May-25-2022