Ultrafine pigmenti ntụ ntụ bụ tumadi kewara organic pigments na inorganic pigments, organic pigments na-tumadi kewara n'ime azo pigmenti, ọdọ pigmenti, heterocyclic pigments, oké mgbanaka ketone pigments, phthalocyanine pigments na ndị ọzọ pigments. A na-ekewa pigmenti inorganic n'ime titanium dioxide, carbon black, iron oxide red, wdg Organic ma ọ bụ inorganic pigmenti nwere agba na-egbuke egbuke, ike agba agba dị elu, ike agba dị elu na nghọta dị elu, nke na-ezute ihe ndị a chọrọ nke mkpuchi na inks na-ebipụta.
Otú ọ dị, na usoro nke na-akwadebe pigmenti ntụ ntụ, nke kacha mma na urughuru size, n'elu nke pigmenti ntụ ntụ ga-amụba, nke nwere ike mfe na-eduga agglomeration, na-eme nnukwu ahụ, agba na ink usoro enweghị ntụkwasị obi, na-emetụta nnọọ ngwaahịa àgwà.
N'oge a, organic ammonium nnu dispersant dị mkpa iji gbakwunye na pigmenti-echipịakwa usoro, pigmenti dispersant na pigmenti mado usoro, tumadi adsorb n'elu nke ntụ ntụ, belata elu ike nke ultrafine pigmenti ahụ, iji nweta edo dispersion mmetụta, na organic ammonium nnu dispersant nwere ike n'ụzọ dị irè igbochi flocculation azụ na keadighi rarii mmezi sere n'elu agba ntutu. Ndakọrịta dị mma na agba na ibipụta ink iji kwalite ịrụ ọrụ nke agba.
Gịnị mereOnye na-achụsa mgbasa NNOọrụ?
NkeOnye na-achụsa mgbasa NNOmolekul nwere otu arịlịka yana akụkụ na-eme ka ahụ sie ike. Ọrụ nke otu anchoring bụ inye ike zuru oke na-ejikọta na ụmụ irighiri ihe na-eme pigmenti. Ụmụ irighiri ihe na-ekesa anaghị ada n'elu ahụ, nke bụ ihe dị mkpa maka dispersant na-arụ ọrụ. Ọrụ nke akụkụ ahụ na-eme ka ahụ sie ike bụ iji mee ka ihe ndị mejupụtara pigmenti gbasasịrị site n'ike n'ike site na nkwụghachi electrostatic na nguzogide oghere n'ime mmiri mmiri iji gbochie ihe ndị ahụ na-agbakọta.
N'ime ihe mgbaze organic, mgbe akụkụ kwụsiri ike nke onye na-ekesa na-eme ka ụmụ irighiri pigmenti agbasasị agbasa site na nguzogide oghere, mgbe oghere nke oghere.Onye na-achụsa mgbasa NNOirighiri ihe dị nta karịa nha nke yinye ihe mgbaze, ihe mgbaze na-amanye ibe ya na entropy na-ebelata. N'ime mmiri, ionization na-apụta n'akụkụ otu ionic iji mepụta oyi akwa okpukpu abụọ, na mkpofu electrostatic na-egbochi agglomeration urughuru. Ọ bụrụ na polyether na-abụghị nke ionized kwụsiri ike, polyether na-eme ka ihe ndị dị n'ụdị pigmenti agbasasị agbasa site na nguzogide oghere.
Oge nzipu: Mee-19-2022