litaba

Dispersant e boetse e bitsoa ho kolobisa le ho qhalakanya.Ka lehlakoreng le leng, e na le phello ea ho koloba, ka lehlakoreng le leng, karolo e 'ngoe ea sehlopha sa eona se sebetsang e ka ba adsorbed holim'a pigment e sithabetseng ka likaroloana tse ntle,' me e 'ngoe e qhibiliha ka har'a thepa ea motheo ho etsa adsorption layer ( lihlopha tse ngata tsa adsorption, ha lehokelo la ketane le lelelele, le letenya la adsorption layer) ho hlahisa tefiso (pente e thehiloeng metsing) kapa entropy repulsion (pente e thehiloeng ho solvent), e le hore likaroloana tsa pigment li ka qhalakanngoa le ho emisoa pente bakeng sa. nako e telele ho qoba flocculation hape.Sena se tiisa botsitso ba polokelo ea tsamaiso ea pente.
 
Mefuta e sebelisoang hangata ea li-dispersants.
1.Anionic wetting le moemeli ea qhalakanyang
Bongata ba tsona li entsoe ka ketane e se nang polar, e qosoang hampe ea hydrocarbon le sehlopha sa polar hydrophilic.Lihlopha tsena tse peli li lipheletsong tse peli tsa molek'hule, li etsa sebopeho sa asymmetric hydrophilic le oleophilic molecular.Mefuta ea eona ke: sodium oleate C17H33COONa, carboxylate, sulfate (RO-SO3Na), sulfonate (R-SO3Na), joalo-joalo Ho lumellana ha li-anionic dispersants ho molemo, 'me li-polymers tsa polycarboxylic acid, joalo-joalo li ka boela tsa sebelisoa ho litlolo tse thehiloeng ho solvent. le ho sebelisoa haholo joalo ka li-dispersants tse laoloang tsa mofuta oa flocculation.

2.Cationic wetting le moemeli oa ho qhalakanya
Ke metsoako e seng ea polar e nang le qoso e ntle, haholo-holo letsoai la amine, letsoai la quaternary amine, letsoai la pyridinium, joalo-joalo. Li-Cationic surfactants li na le matla a matla a adsorption 'me li na le phello e ntle ea ho hasana ho carbon black, li-oxide tse sa tšoaneng tsa tšepe le li-pigments tsa tlhaho, empa ho lokela ho hlokomeloa. hore ba itšoara ka lik'hemik'hale le sehlopha sa carboxyl linthong tsa motheo, hape ba hlokomele hore ha baa lokela ho sebelisoa ka nako e le 'ngoe le li-anionic dispersants.

3.Controlled mahala radical mofuta hyperdispersant
Ea bobeli, karolo ea dispersant
1.Ntlafatsa khanya le ho eketsa phello ea boemo.
2.Thibela 'mala o phaphametseng le lipalesa.
3.Ntlafatsa matla a mebala.
4.Reduce viscosity le ho eketsa pigment loading.
5.Reduce flocculation, eketsa constructability le usability.
6.Thibela ho khutlela morao le ho eketsa botsitso ba polokelo.
7.Eketsa ho ata ha mebala le ho tlala mebala.
8.Eketsa ponaletso kapa matla a koahelang.
9.Ho ntlafatsa bokhoni ba ho sila le ho fokotsa litšenyehelo tsa tlhahiso.
10.Thibela ho lula.