The self-fixing cationic rosin was synthesized by rosin, epichlorohyoride (EPIC) and trimethylamine (TMA). The emulsion works well in papermaking under neutral and alkali conditions.

• 摘要采用松香、环氧氯丙烷和三甲胺为原料，合成出自身阳离子型松香胶。将胶料在搅拌下加热水自乳化成乳状液，作为施胶剂用于抄纸，在中碱性条件下具有良好的施胶效果。