N'afọ ndị na-adịbeghị anya, site na nduzi nke atumatu nchedo gburugburu ebe obibi na nkwalite nke ọtụtụmkpuchindị na-emepụta ihe, mmiribufereagba a na-amatawanye site n'ahịa, na ịrụ ọrụ nke agba mmiri na-emepụta ihe abụọ dị ka nke mmanụ mmanụ n'ọtụtụ akụkụ, nke na-enweghị ikewapụ na mmepe na ntinye nke.nke mmiri PUonye na-agwọ ọrịa.
nke Bogao waterbornePUonye na-agwọ ọrịaBG-2655-80, fma ọ bụ ihe mkpuchi mmiri, ihe mkpuchi mmiri, inks mmiri, wdg.
Ọ bụeji dị ka ihe na-agwọ ọrịa maka akụkụ abụọ nke mmiri ebuterePUusoro.
Ọ nwere àgwà nke Paint film ngwa ngwa ihicha, magburu onwe anụ ahụ na chemical Njirimara.
Onye na-agwọ ọrịa PU nke mmiri nwere ọnụ ọgụgụ buru ibu nke otu isocyanate (- NCO), nke enwere ike ijikọ ya na ọtụtụ ndị na-arụ ọrụ dị ka hydroxyl, amino na carboxyl.Otu esi achịkwa mmeghachi omume n'akụkụ nke ọma ma kwadebe agba mmiri nke nwere akụkụ abụọ na-arụ ọrụ nke ọma na-achọ ịhọrọ onye na-agwọ ọrịa mmiri kwesịrị ekwesị, na ịmụta isi ihe dị mkpa nke imepụta ihe na nkwadebe ihe nkiri n'ụzọ zuru ezu.
Nnyocha ngwa nke onye na-agwọ ọrịa PU nke mmiri malitere na njedebe nke 1980s.Bayer na-ebute ụzọ n'ime nyocha na mmepe, ma nyekwa aka n'ịkwalite ọgwụ na-agwọ mmiri na agba mmiri.Ọ malitere n'oge na China, mana ọ na-etolite ngwa ngwa, a na-ejikwa ya na mkpuchi ụlọ ọrụ, mkpuchi ala, mkpuchi osisi, ụlọ ọrụ ụgbọ ala, ụlọ ọrụ textile na ubi ndị ọzọ.
- Ngwa na mkpuchi ụlọ ọrụ
Ngwakọta PU nke na-agwọ mmiri na-adaba na resin hydroxyl na-ekesa mmiri.N'ihi na mgbasa nke hydroxyl nwere obere ihe dị arọ, uru hydroxyl dị elu na enweghị surfactant, ọ nwere nnukwu njupụta, ike siri ike, ezigbo gloss na ezigbo nguzogide mgbe ị gafesịrị na ọgwụgwọ.Ọ nwere ike iji ya tụnyere ihe mkpuchi mmanụ na-arụ ọrụ, a pụkwara iji ya mee ihe n'ọtụtụ ebe na ụlọ ọrụ mgbochi corrosion na mkpuchi ịchọ mma.
- Ngwa na mkpuchi ala
PU nke nwere akụkụ abụọ nke mmiriA na-eji mkpuchi eme ihe maka ala mmiri, nke nwere njirimara nke nchebe gburugburu ebe obibi na ahụike.Mmiri ahụPUmkpuchi nwere njirimara nke mgbanwe dị elu, na-eyi nguzogide, ihu igwe na-eguzogide, mmiri na-eguzogide mmiri na nkwụsi ike dị mma.
- Ngwa na mkpuchi osisi
Agba osisi matte dị elu dị elu bụ ntụziaka nke ụlọ ọrụ ngwá ụlọ.Ihe nkiri agba na-enye mmetụta dị mma mgbe e kpochapụrụ ya, ọ na-ewu ewu na ndị mmadụ.Ihe mkpuchi varnish agbakwunyere na onye na-ahụ maka matting nwere obere nghọta na nguzogide na-adịghị mma na ọkara.Enwere ike nweta mmetụta matting site n'aka onye na-agwọ ọrịa site na nhazi molecular.Otu ụdị agba mmiri, nke nwere usoro dị iche iche nke onye na-agwọ ọrịa matte, nwere ike nweta gloss anyị chọrọ.
Oge nzipu: Feb-17-2023