xov xwm

Dispersant yog tus neeg sawv cev cuam tshuam nrog ob qho tib si ntawm lipophilicity thiab hydrophilicity nyob rau hauv lub molecule.

Dispersion yog hais txog cov sib tov uas tsim los ntawm dispersion ntawm ib yam khoom (los yog ob peb yam) mus rau lwm yam khoom nyob rau hauv daim ntawv ntawm hais.

Dispersants tuaj yeem sib cais cov khoom thiab cov kua ntawm cov xim tsis muaj zog thiab cov organic pigments uas nyuaj rau yaj hauv cov kua, thiab tseem tiv thaiv cov sedimentation thiab condensation ntawm cov khoom, tsim amphiphilic reagents xav tau rau kev ncua kev ruaj ntseg.Houhuan tshuaj R & D thiab zus tau tej cov dej-raws li additives thiab roj-raws li additives nyob rau hauv ntau yam industries, muaj feem xyuam rau surfactant pawg.

Cov txheej txheem dispersion tau muab faib ua: tshuaj, colloid thiab ncua kev kawm (emulsion).Rau kev daws, solute yog dispersant thiab hnyav yog dispersant.Piv txwv li, hauv NaCl tov, cov dispersant yog NaCl, thiab cov dispersant yog dej.Lub dispersant yog hais txog cov khoom tawg mus rau hauv cov khoom hauv qhov system dispersion.Lwm yam khoom hu ua dispersed substance.

Lub luag haujlwm ntawm kev siv cov pigment dispersant muaj raws li hauv qab no:

1. Siv wetting dispersant kom txo tau lub sij hawm thiab lub zog yuav tsum tau ua kom tiav cov txheej txheem dispersion, stabilize lub dispersed pigment dispersion, PP adhesion txhawb, hloov cov khoom nto ntawm cov xim pigment, thiab kho qhov txav ntawm cov xim xim.

2. Txo cov kev sib tshuam ntawm cov kua-kua thiab cov khoom-kua.Dispersants kuj yog surfactants.Dispersants yog anionic, cationic, non-ionic, amphoteric thiab polymeric.Ntawm lawv, hom anionic yog siv feem ntau.

3. Dispersant ib tus neeg sawv cev pabcuam uas tuaj yeem txhim kho qhov sib txawv ntawm cov khoom siv los yog kua.


Post lub sij hawm: Aug-03-2022