labarai

Dispersant wani wakili ne mai aiki a tsakanin fuskoki daban-daban wanda ke da halaye biyu masu karo da juna na lipophilicity da hydrophilicity a cikin kwayar halittar.

Watsawa tana nufin cakuda da aka samu ta hanyar watsawa wani abu (ko abubuwa da yawa) zuwa wani abu a cikin nau'in barbashi.

Masu rarrabawa na iya watsa barbashi masu ƙarfi da ruwa na launuka marasa tsari da na halitta waɗanda ke da wahalar narkewa a cikin ruwa, da kuma hana narkewa da danshi na barbashi, suna samar da sinadaran amphiphilic da ake buƙata don dakatarwar da ta dace. Nazarin sinadarai da haɓaka sinadarai na Houhuan da samar da ƙarin abubuwa masu tushen ruwa da masu tushen mai a cikin masana'antu daban-daban, nau'ikan surfactant masu alaƙa.

Tsarin watsawa ya kasu kashi biyu: mafita, colloid da kuma dakatarwa (emulsion). Don mafita, maganin narkewa shine mai watsawa kuma mai narkewa shine mai watsawa. Misali, a cikin maganin NaCl, mai watsawa shine NaCl, kuma mai watsawa shine ruwa. Mai watsawa yana nufin kayan da aka watsa zuwa barbashi a cikin tsarin watsawa. Wani abu kuma ana kiransa abu mai watsawa.

Ayyukan amfani da na'urar watsa launi ta masana'antu sune kamar haka:

1. Yi amfani da na'urar watsa ruwa don rage lokaci da kuzarin da ake buƙata don kammala aikin watsawa, daidaita watsawar launin da aka watsa, mai haɓaka mannewa na PP, gyara halayen saman ƙwayoyin launin, da kuma daidaita motsi na ƙwayoyin launin.

2. Rage matsin lamba tsakanin ruwa-ruwa da ruwa mai ƙarfi. Masu rarrabawa suma surfactants ne. Masu rarrabawa sune anionic, cationic, non-ionic, amphoteric da polymeric. Daga cikinsu, ana amfani da nau'in anionic mafi yawa.

3. Watsa wani abu mai taimako wanda zai iya inganta wargajewar kayan daskararru ko ruwa.