This paper introduces the new method of sulphuric acid and zinc chloride to produce polymerized rosin and the product quality.The way to improve the quality of polymerized rosin is also discussed.

• 介绍了硫酸-氯化锌法聚合松香生产工艺及产品质量情况，并就提高聚合松香质量的途径进行了探讨。