Introduction It can replace the traditional AKD emulsifier of cationic starch with the multifunction of AKD emulsification, protection of colloid, retention, strengthening and so on. Cationic polymer AKD emulsifier can be made into AKD emulsion with high stability and retention rate through mechanical stirring method. It can decrease hydrolysis of AKD during the storage period and sizing process, with its storage time two or three months longer than the traditional AKD emulsion, and shorten the sizing curing time. It can be applied in cardboard, corrugated board and other kind of papers. Packing, transport and storage: Store at room temperature, keep in dry and cool. Pay attention to prevent frozen and sunscreen. 1000kg plastic drum, or referring to clients site conditions.