Chinangwa chechidzidzo chitsva chaive chekuongorora simba rekuumbwa kwebasecoat uye ukobvu pamaitiro emuchina wekugadzirisa huni une mativi akawanda unorapwa neUV.
Kugara kwenguva refu uye runako rwepasi pehuni zvinobva pahunhu hwependi inoiswa pamusoro payo. Nekuda kwekumhanya kwayo kukuru, kuwanda kwayo uye kugara kwenguva refu, mapendi anorapika eUV anowanzo shandiswa panzvimbo dzakati sandara dzakadai sepasi pehuni, pamusoro pematafura nemasuo. Panyaya yepasi pehuni, marudzi akasiyana-siyana ekuora pamusoro pependi anogona kukanganisa maonero echigadzirwa chose. Mubasa razvino, maformula anorapika eUV ane macouples akasiyana-siyana emonomer-oligomer akagadzirwa uye akashandiswa sebasecoat mukati mehurongwa hwekupedzisa huni hwakasiyana-siyana. Kunyange zvazvo topcoat yakagadzirirwa kutsungirira mitoro yakawanda iri kushandiswa, elastic uye plastic stress dzinogona kusvika pazvikamu zvakadzika.
Munguva yekudzidza, zvinhu zvakaita seavhareji yehurefu hwechikamu chedzidziso, tembiricha yekuchinja kwegirazi uye crosslinking density, yemafirimu ega ega emhando dzakasiyana dzemonomer-oligomer couples zvakaongororwa. Zvadaro, bvunzo dze indentation uye scratch resistance dzakaitwa kuti dzinzwisise basa rebasecoats mukuita kwese kwemechanical kwe multilayered coatings. Ukobvu hwe basecoat yakashandiswa hwakawanikwa hune simba guru pamechanical resistance ye finishing system. Hapana hukama hwakananga hwakawanikwa pakati pe basecoat semafirimu ega uye mukati me multilayered coatings, tichifunga nezvekuoma kwemasystem akadaro maitiro akati wandei akaonekwa. Finish system inokwanisa kukurudzira resell good scratch resistance uye good indentation modulus yakawanikwa kuti ive fomu inoratidza equilibrium pakati pe network density uye elasticity.
Nguva yekutumira: Gunyana-15-2023
