UV bụ ụdị mkpuchi nke nwere ike ịgwọ ngwa ngwa n'ime ihe nkiri n'ime sekọnd ole na ole n'okpuru irradiation nke ultraviolet (UV).A na-atụgharị mkpuchi UV na-akpaghị aka ma fesa ya na bọọdụ arịa ụlọ site na igwe na akụrụngwa.N'okpuru irradiation nke ultraviolet ìhè, ọ na-akwalite ire ere nke onye mmalite, na-emepụta free radicals, na-akpali resin mmeghachi omume, na ozugbo ike n'ime ihe nkiri na-enweghị ihe mgbaze volatilization.Ya mere, ọ na-arụ ọrụ nke ọma, akwụkwọ ndụ akwụkwọ ndụ na gburugburu ebe obibi.
N'okpuru usoro hydration n'ozuzu, a na-etinyekwa mkpuchi mmiri nke UV nke ọma na osisi, plastik, mbipụta, kemịkalụ kwa ụbọchị na ubi ndị ọzọ n'ihi ịdị mma gburugburu ebe obibi na ịdị mma ụlọ.Ihe akụrụngwa na-arụ ọrụ dị mkpa.Ihe ọhụrụ na-aga n'ihu nke arụmọrụ, njirimara na ngwọta ngwa nke mkpuchi mmiri na-akwalite usoro nke resin hydration.
1 epoxy acrylate / polyurethane acrylate composite system
Photosensitive oligomer bụ akụkụ bụ isi nke UV gwọrọ resin, nke na-ekpebi ihe ndị bụ isi nke resin gwọrọ.Ụdị resin matrix niile nwere uru ha na-enweghị atụ, mana ha ga-enwe ntụpọ.Dịka ọmụmaatụ, ihe nkiri na-agwọ ọrịa resin epoxy nwere isi ike dị elu, ezigbo adhesion, nnukwu gloss na nguzogide kemịkalụ mara mma, mana ọ nwere ọghọm nke mgbanwe adịghị mma.Ihe atụ ọzọ bụ na resin dabeere na polyurethane nwere ihe ndị magburu onwe ya dị ka iyi nguzogide na nkwụsi ike, mana nguzogide ihu igwe ezughị oke.Ndị na-eme nchọpụta na-eji ụzọ ngwakọta ma ọ bụ ngwakọ jikọtara ha abụọ, ka ha wee mejupụta ụkọ nke otu resin ma mepụta usoro nwere àgwà abụọ mara mma.
2 dendritic ma ọ bụ hyperbranched sistem
dendrimers nke nwere ike ịgwọ UV mmiri ma ọ bụ hyperbranched oligomers bụ ụdị polymers ọhụrụ nwere usoro okirikiri ma ọ bụ dendritic na enweghị njikọ dị n'etiti agbụ molekụla.Ọzọkwa, ihe owuwu polymer nwere nnukwu alaka nwere ọnụ ọgụgụ dị ukwuu nke otu njedebe na-arụ ọrụ.A na-emezi otu njedebe ndị a na-arụ ọrụ iji dozie njirimara nke polymer ma tinye ya na mpaghara ụfọdụ.E jiri ya tụnyere polymers linear nwere otu ịdị arọ molekụla, hyperbranched oligomers nwere ihe ndị magburu onwe ya dị ka ebe mgbaze dị ala, viscosity dị ala, mgbasa dị mfe na mmeghachi omume dị elu.Ha bụ ihe dị mma maka ọgwụgwọ ọkụ matrix resins.Polyester hyperbranched nke mmiri na-agụnye polyhydroxy functional aliphatic polyester dị ka isi nwere ike ibelata mmiri dilution ma gosipụta mmetụta mbelata viscosity dị mma n'ihi na mmiri ya dị mma na obere viscosity.
3 epoxy soybean mmanụ acrylate
Mmanụ soybean nke Epoxy nwere uru nke ọnụ ala dị ala, nchebe gburugburu ebe obibi, yinye molekụla ogologo na njupụta na-agafe agafe.Ọ nwere ike imeziwanye mgbanwe na adhesion nke mkpuchi.N'ime afọ ndị na-adịbeghị anya, ọ ghọọla ebe a na-eme nchọpụta n'ọhịa nke mkpuchi n'ụlọ na ná mba ọzọ.Emeela ihe ọma na epoxy soybean mmanụ acrylate na mmanụ acrylate epoxy soybean acrylate UV agbanweela mkpuchi mkpuchi na-enweghị ọgwụgwọ na China.Ụlọ ọrụ Cub na United States emeela mmepụta azụmahịa, dị ka ebercy860.Usoro njikọ nke epoxy soybean mmanụ acrylate bụ usoro mgbanwe nke ọkara ester, nke bụ iji acrylic acid tee mmanụ epoxy soybean.
Oge nzipu: Mee-25-2022