The positive ion emulsifier and the KOH amount used increases, the polyreaction speed also increases, drops again to the certain extent.

The cationic SBR latexes can be prepared either by emulsion polymerization using cationic emulsifiers or by changing anionic latex as starting material into cationic latex using cationic surfactants .

The emulsification result showed that this lignin-amine could be an effective cationic asphalt emulsifier.