1, according tothepigmentpropertiescan be divided into
(1) Wet
Fortheuntreatedpigmentandthedispersant, water, etc.inthegrinding machineground into apaste,theirparticlesizeofthepigmentislessthanone micron,thenadded to liquidparaffintomakeitintothe oilphase,dried andpre-dispersed pigment, and thenmixedwith a carrierresinby an extrusiongranulator, then theobtainedmasterbatch!
(2) dry
Thepretreatmentof thepigment, adispersing agent andcarrier resinwere mixedinahigh-speedmixer,meltduetotheshearheat generated inthe dispersing agent,the pigmentadhering to thesurfaceofthecarrier resin,by an extrusiongranulator, then theobtainedmasterbatch!
2, according tothemanufacturing equipmentcan be divided into