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 ahịa site na ahịa, na arụmọrụ 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 ọrụ dị ka hydroxyl, amino na carboxyl. Otu esi achịkwa mmeghachi omume n'akụkụ nke ọma na ịkwadebe 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 nhazi nhazi 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 na 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